./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1886420451 <...> Warning: Permanently added '10.128.1.149' (ED25519) to the list of known hosts. execve("./syz-executor1886420451", ["./syz-executor1886420451"], 0x7ffc14ddfc40 /* 10 vars */) = 0 brk(NULL) = 0x555581d60000 brk(0x555581d60d40) = 0x555581d60d40 arch_prctl(ARCH_SET_FS, 0x555581d603c0) = 0 set_tid_address(0x555581d60690) = 5064 set_robust_list(0x555581d606a0, 24) = 0 rseq(0x555581d60ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1886420451", 4096) = 28 getrandom("\x6b\x7c\xc0\x78\x56\xbf\x0f\x05", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555581d60d40 brk(0x555581d81d40) = 0x555581d81d40 brk(0x555581d82000) = 0x555581d82000 mprotect(0x7ff12ca45000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555581d60690) = 5065 ./strace-static-x86_64: Process 5065 attached [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] set_robust_list(0x555581d606a0, 24) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5066 attached [pid 5064] <... clone resumed>, child_tidptr=0x555581d60690) = 5066 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5067 attached [pid 5066] set_robust_list(0x555581d606a0, 24 [pid 5067] set_robust_list(0x555581d606a0, 24 [pid 5066] <... set_robust_list resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5067 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5068 attached [pid 5067] <... set_robust_list resumed>) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x555581d60690) = 5068 [pid 5068] set_robust_list(0x555581d606a0, 24 [ 74.139643][ T28] audit: type=1400 audit(1710453237.347:87): avc: denied { execmem } for pid=5064 comm="syz-executor188" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... set_robust_list resumed>) = 0 [pid 5067] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5069 attached [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] setpgid(0, 0 [pid 5069] set_robust_list(0x555581d606a0, 24 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5069 [pid 5069] <... set_robust_list resumed>) = 0 [pid 5067] <... setpgid resumed>) = 0 [pid 5069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5070 attached [pid 5070] set_robust_list(0x555581d606a0, 24./strace-static-x86_64: Process 5071 attached ) = 0 [pid 5069] <... prctl resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5064] <... clone resumed>, child_tidptr=0x555581d60690) = 5070 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] set_robust_list(0x555581d606a0, 24 [pid 5069] setpgid(0, 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5071 [pid 5067] write(3, "1000", 4 [pid 5071] <... set_robust_list resumed>) = 0 [pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5071] setpgid(0, 0 [pid 5069] <... setpgid resumed>) = 0 [pid 5067] <... write resumed>) = 4 ./strace-static-x86_64: Process 5073 attached [pid 5071] <... setpgid resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] close(3 [pid 5073] set_robust_list(0x555581d606a0, 24 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5073 [pid 5067] <... close resumed>) = 0 ./strace-static-x86_64: Process 5072 attached [pid 5064] <... clone resumed>, child_tidptr=0x555581d60690) = 5072 [pid 5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... openat resumed>) = 3 [pid 5067] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5072] set_robust_list(0x555581d606a0, 24 [pid 5073] <... set_robust_list resumed>) = 0 [pid 5069] write(3, "1000", 4 [pid 5067] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] <... write resumed>) = 4 [pid 5067] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5072] <... set_robust_list resumed>) = 0 [pid 5073] <... prctl resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5069] close(3 [pid 5067] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] setpgid(0, 0 [pid 5071] write(3, "1000", 4 [pid 5069] <... close resumed>) = 0 [pid 5067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5071] <... write resumed>) = 4 [pid 5069] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... mmap resumed>) = 0x7ff12c95c000 [pid 5073] <... setpgid resumed>) = 0 [pid 5071] close(3 [pid 5069] <... futex resumed>) = 0 [pid 5067] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... close resumed>) = 0 [pid 5069] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5071] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5067] <... mprotect resumed>) = 0 [pid 5073] <... openat resumed>) = 3 [pid 5067] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5073] write(3, "1000", 4 [pid 5071] <... futex resumed>) = 0 [pid 5069] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5067] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5074 attached [pid 5073] <... write resumed>) = 4 [pid 5071] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5074 [pid 5073] close(3 [pid 5071] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5073] <... close resumed>) = 0 [pid 5071] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5069] <... mmap resumed>) = 0x7ff12c95c000 [pid 5074] set_robust_list(0x555581d606a0, 24 [pid 5073] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5071] <... mmap resumed>) = 0x7ff12c95c000 [pid 5074] <... set_robust_list resumed>) = 0 [pid 5073] <... futex resumed>) = 0 [pid 5071] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5069] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5075 attached [pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 5075] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5075] rt_sigprocmask(SIG_SETMASK, [], [pid 5073] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5071] <... mprotect resumed>) = 0 [pid 5075] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5073] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5069] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5075] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5074] <... prctl resumed>) = 0 [pid 5073] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5071] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] <... clone3 resumed> => {parent_tid=[5075]}, 88) = 5075 [pid 5074] setpgid(0, 0 [pid 5073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5067] rt_sigprocmask(SIG_SETMASK, [], [pid 5074] <... setpgid resumed>) = 0 [pid 5073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5071] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5069] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] <... mmap resumed>) = 0x7ff12c95c000 [pid 5067] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5076 attached ./strace-static-x86_64: Process 5077 attached [pid 5076] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5073] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5067] <... futex resumed>) = 1 [pid 5076] <... rseq resumed>) = 0 [pid 5075] <... futex resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 5077] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 5076] set_robust_list(0x7ff12c97c9a0, 24 [pid 5074] write(3, "1000", 4 [pid 5073] <... mprotect resumed>) = 0 [pid 5071] <... clone3 resumed> => {parent_tid=[5077]}, 88) = 5077 [pid 5069] <... clone3 resumed> => {parent_tid=[5076]}, 88) = 5076 [pid 5067] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] set_robust_list(0x7ff12c97c9a0, 24 [pid 5076] <... set_robust_list resumed>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5074] <... write resumed>) = 4 [pid 5073] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] rt_sigprocmask(SIG_SETMASK, [], [pid 5077] <... set_robust_list resumed>) = 0 [pid 5074] close(3 [pid 5073] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5077] rt_sigprocmask(SIG_SETMASK, [], [pid 5076] rt_sigprocmask(SIG_SETMASK, [], [pid 5075] <... openat resumed>) = 3 [pid 5074] <... close resumed>) = 0 [pid 5073] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5071] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5078 attached [pid 5077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5075] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... futex resumed>) = 0 [pid 5069] <... futex resumed>) = 0 [pid 5078] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5071] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... rseq resumed>) = 0 [pid 5077] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5076] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5075] <... futex resumed>) = 1 [pid 5074] <... futex resumed>) = 0 [pid 5073] <... clone3 resumed> => {parent_tid=[5078]}, 88) = 5078 [pid 5069] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... futex resumed>) = 0 [pid 5078] set_robust_list(0x7ff12c97c9a0, 24 [pid 5077] <... openat resumed>) = 3 [pid 5076] <... openat resumed>) = 3 [pid 5075] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5074] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5073] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... set_robust_list resumed>) = 0 [pid 5076] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5067] <... futex resumed>) = 0 [pid 5076] <... futex resumed>) = 1 [pid 5075] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5069] <... futex resumed>) = 0 [pid 5067] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] rt_sigprocmask(SIG_SETMASK, [], [pid 5077] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5075] <... ioctl resumed>) = 0 [pid 5074] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5076] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080) = 0 [pid 5076] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... futex resumed>) = 0 [pid 5078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5077] <... futex resumed>) = 1 [pid 5076] <... futex resumed>) = 0 [pid 5075] <... futex resumed>) = 1 [pid 5074] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5073] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... futex resumed>) = 0 [pid 5069] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... futex resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5077] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5076] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5075] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5073] <... futex resumed>) = 0 [pid 5071] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5067] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... ioctl resumed>) = 0 [pid 5075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5073] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... futex resumed>) = 0 [pid 5069] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... futex resumed>) = 0 [pid 5078] <... openat resumed>) = 3 [pid 5077] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... futex resumed>) = 0 [pid 5075] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5074] <... mmap resumed>) = 0x7ff12c95c000 [pid 5071] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... futex resumed>) = 1 [pid 5067] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... futex resumed>) = 0 [pid 5076] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5069] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] <... ioctl resumed>) = 0 [pid 5075] <... ioctl resumed>) = 0 [pid 5076] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... futex resumed>) = 1 [pid 5077] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5076] <... futex resumed>) = 1 [pid 5074] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5073] <... futex resumed>) = 0 [pid 5071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5078] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5076] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5075] <... futex resumed>) = 1 [pid 5074] <... mprotect resumed>) = 0 [pid 5073] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... futex resumed>) = 0 [pid 5067] <... futex resumed>) = 0 [pid 5078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5077] <... futex resumed>) = 0 [pid 5075] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5074] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5073] <... futex resumed>) = 0 [pid 5071] <... futex resumed>) = 1 [pid 5069] exit_group(0 [pid 5067] exit_group(0 [pid 5078] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5077] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5076] <... futex resumed>) = ? [pid 5075] <... futex resumed>) = ? [pid 5074] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5073] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... exit_group resumed>) = ? [pid 5067] <... exit_group resumed>) = ? [pid 5078] <... ioctl resumed>) = 0 [pid 5077] <... ioctl resumed>) = 0 [pid 5076] +++ exited with 0 +++ [pid 5075] +++ exited with 0 +++ [pid 5074] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5069] +++ exited with 0 +++ [pid 5067] +++ exited with 0 +++ [pid 5078] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5069, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5067, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5077] <... futex resumed>) = 1 [pid 5077] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5071] <... futex resumed>) = 0 [pid 5078] <... futex resumed>) = 1 [pid 5066] <... restart_syscall resumed>) = 0 [pid 5073] <... futex resumed>) = 0 [pid 5065] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5079 attached [pid 5078] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] exit_group(0 [pid 5079] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 5078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5077] <... futex resumed>) = ? [pid 5074] <... clone3 resumed> => {parent_tid=[5079]}, 88) = 5079 [pid 5073] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... exit_group resumed>) = ? [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] set_robust_list(0x7ff12c97c9a0, 24 [pid 5078] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5077] +++ exited with 0 +++ [pid 5074] rt_sigprocmask(SIG_SETMASK, [], [pid 5073] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5080 attached [pid 5074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5073] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] +++ exited with 0 +++ [pid 5080] set_robust_list(0x555581d606a0, 24 [pid 5074] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... set_robust_list resumed>) = 0 [pid 5078] <... ioctl resumed>) = 0 [pid 5074] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5081 attached [pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... set_robust_list resumed>) = 0 [pid 5078] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5080 [pid 5081] set_robust_list(0x555581d606a0, 24 [pid 5080] <... prctl resumed>) = 0 [pid 5079] rt_sigprocmask(SIG_SETMASK, [], [pid 5078] <... futex resumed>) = 1 [pid 5073] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5071, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5081 [pid 5081] <... set_robust_list resumed>) = 0 [pid 5080] setpgid(0, 0 [pid 5079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5078] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5073] exit_group(0 [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] <... setpgid resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5078] <... futex resumed>) = ? [pid 5073] <... exit_group resumed>) = ? [pid 5081] <... prctl resumed>) = 0 [pid 5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... openat resumed>) = 3 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5081] setpgid(0, 0 [pid 5079] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5074] <... futex resumed>) = 0 [pid 5074] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... openat resumed>) = 3 [pid 5079] <... futex resumed>) = 0 [pid 5074] <... futex resumed>) = 1 [pid 5079] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5074] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5082 attached [pid 5079] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] set_robust_list(0x555581d606a0, 24 [pid 5079] <... futex resumed>) = 1 [pid 5074] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5082 [pid 5082] <... set_robust_list resumed>) = 0 [pid 5079] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5074] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5081] <... setpgid resumed>) = 0 [pid 5080] write(3, "1000", 4 [pid 5079] <... ioctl resumed>) = 0 [pid 5074] <... futex resumed>) = 0 [pid 5082] <... prctl resumed>) = 0 [pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] <... write resumed>) = 4 [pid 5079] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] setpgid(0, 0 [pid 5080] close(3 [pid 5079] <... futex resumed>) = 0 [pid 5078] +++ exited with 0 +++ [pid 5074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5073] +++ exited with 0 +++ [pid 5082] <... setpgid resumed>) = 0 [pid 5081] <... openat resumed>) = 3 [pid 5080] <... close resumed>) = 0 [pid 5079] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5074] exit_group(0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5073, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5081] write(3, "1000", 4 [pid 5080] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... futex resumed>) = ? [pid 5074] <... exit_group resumed>) = ? [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5082] <... openat resumed>) = 3 [pid 5081] <... write resumed>) = 4 [pid 5080] <... futex resumed>) = 0 [pid 5079] +++ exited with 0 +++ [pid 5074] +++ exited with 0 +++ [pid 5070] <... restart_syscall resumed>) = 0 [pid 5081] close(3 [pid 5080] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5074, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5082] write(3, "1000", 4 [pid 5081] <... close resumed>) = 0 [pid 5082] <... write resumed>) = 4 [pid 5082] close(3) = 0 [pid 5081] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5082] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... futex resumed>) = 0 [pid 5080] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5082] <... futex resumed>) = 0 [pid 5082] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5082] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5081] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5081] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5083 attached [pid 5082] <... mmap resumed>) = 0x7ff12c95c000 [pid 5081] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5080] <... mmap resumed>) = 0x7ff12c95c000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5083 [pid 5083] set_robust_list(0x555581d606a0, 24 [pid 5082] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5080] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5083] <... set_robust_list resumed>) = 0 [pid 5082] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5084 attached [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5082] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5080] <... mprotect resumed>) = 0 [pid 5084] set_robust_list(0x555581d606a0, 24 [pid 5083] <... prctl resumed>) = 0 [pid 5082] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5081] <... mmap resumed>) = 0x7ff12c95c000 [pid 5080] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5084 [pid 5084] <... set_robust_list resumed>) = 0 [pid 5083] setpgid(0, 0 [pid 5082] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5081] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5080] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5085 attached [pid 5083] <... setpgid resumed>) = 0 [pid 5082] <... clone3 resumed> => {parent_tid=[5085]}, 88) = 5085 [pid 5081] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5086 attached [pid 5085] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5082] rt_sigprocmask(SIG_SETMASK, [], [pid 5086] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5085] <... rseq resumed>) = 0 [pid 5084] <... prctl resumed>) = 0 [pid 5083] <... openat resumed>) = 3 [pid 5082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5081] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5080] <... clone3 resumed> => {parent_tid=[5086]}, 88) = 5086 [pid 5086] <... rseq resumed>) = 0 [pid 5085] set_robust_list(0x7ff12c97c9a0, 24 [pid 5084] setpgid(0, 0 [pid 5082] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] rt_sigprocmask(SIG_SETMASK, [], [pid 5086] set_robust_list(0x7ff12c97c9a0, 24 [pid 5085] <... set_robust_list resumed>) = 0 [pid 5084] <... setpgid resumed>) = 0 [pid 5083] write(3, "1000", 4 [pid 5082] <... futex resumed>) = 0 [pid 5081] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5086] <... set_robust_list resumed>) = 0 [pid 5085] rt_sigprocmask(SIG_SETMASK, [], [pid 5083] <... write resumed>) = 4 [pid 5082] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5086] rt_sigprocmask(SIG_SETMASK, [], [pid 5085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] close(3 [pid 5081] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5080] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5083] <... close resumed>) = 0 [pid 5080] <... futex resumed>) = 0 [pid 5086] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5084] <... openat resumed>) = 3 [pid 5083] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5080] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5087 attached [pid 5086] <... openat resumed>) = 3 [pid 5083] <... futex resumed>) = 0 [pid 5087] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5081] <... clone3 resumed> => {parent_tid=[5087]}, 88) = 5087 [pid 5087] <... rseq resumed>) = 0 [pid 5086] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] <... openat resumed>) = 3 [pid 5083] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5084] write(3, "1000", 4 [pid 5081] rt_sigprocmask(SIG_SETMASK, [], [pid 5080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5087] set_robust_list(0x7ff12c97c9a0, 24 [pid 5086] <... futex resumed>) = 0 [pid 5084] <... write resumed>) = 4 [pid 5083] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5080] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... set_robust_list resumed>) = 0 [pid 5086] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5085] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] close(3 [pid 5083] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5081] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... futex resumed>) = 0 [pid 5087] rt_sigprocmask(SIG_SETMASK, [], [pid 5086] <... ioctl resumed>) = 0 [pid 5085] <... futex resumed>) = 1 [pid 5084] <... close resumed>) = 0 [pid 5083] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5082] <... futex resumed>) = 0 [pid 5081] <... futex resumed>) = 0 [pid 5080] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5086] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5084] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5082] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5084] <... futex resumed>) = 0 [pid 5087] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5086] <... futex resumed>) = 0 [pid 5085] <... ioctl resumed>) = 0 [pid 5084] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5083] <... mmap resumed>) = 0x7ff12c95c000 [pid 5082] <... futex resumed>) = 0 [pid 5080] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5085] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5082] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... futex resumed>) = 0 [pid 5087] <... openat resumed>) = 3 [pid 5083] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5087] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] <... ioctl resumed>) = 0 [pid 5085] <... futex resumed>) = 0 [pid 5084] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5083] <... mprotect resumed>) = 0 [pid 5082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5080] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5087] <... futex resumed>) = 1 [pid 5086] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5083] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5082] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... futex resumed>) = 0 [pid 5080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5087] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5086] <... futex resumed>) = 0 [pid 5085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5083] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5082] <... futex resumed>) = 0 [pid 5081] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] exit_group(0 [pid 5087] <... ioctl resumed>) = 0 [pid 5086] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5085] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5083] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5082] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5088 attached [ 74.349285][ C0] [ 74.351644][ C0] ================================ [ 74.356731][ C0] WARNING: inconsistent lock state [ 74.361818][ C0] 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Not tainted [ 74.368470][ C0] -------------------------------- [ 74.373555][ C0] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 74.380400][ C0] swapper/0/0 [HC0[0]:SC1[1]:HE0:SE0] takes: [ 74.386361][ C0] ffff8880297a3148 (&timer->lock){+.?.}-{2:2}, at: snd_timer_interrupt.part.0+0x31/0xd80 [ 74.396189][ C0] {SOFTIRQ-ON-W} state was registered at: [ 74.401888][ C0] lock_acquire+0x1b1/0x540 [ 74.406468][ C0] _raw_spin_lock+0x2e/0x40 [ 74.411051][ C0] snd_timer_close_locked+0x65/0xbd0 [ 74.416407][ C0] snd_timer_close+0x8b/0xf0 [ 74.421067][ C0] snd_timer_user_release+0x91/0x260 [ 74.426421][ C0] __fput+0x270/0xb80 [ 74.430486][ C0] task_work_run+0x14e/0x250 [ 74.435177][ C0] do_exit+0xa7d/0x2be0 [ 74.439409][ C0] do_group_exit+0xd3/0x2a0 [ 74.443987][ C0] __x64_sys_exit_group+0x3e/0x50 [ 74.449087][ C0] do_syscall_64+0xd2/0x260 [ 74.453668][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 74.459643][ C0] irq event stamp: 526819 [ 74.463961][ C0] hardirqs last enabled at (526818): [] asm_sysvec_call_function_single+0x1a/0x20 [ 74.474817][ C0] hardirqs last disabled at (526819): [] _raw_spin_lock_irqsave+0x52/0x60 [ 74.485578][ C0] softirqs last enabled at (526756): [] __do_softirq+0x596/0x8de [ 74.494956][ C0] softirqs last disabled at (526813): [] irq_exit_rcu+0xb9/0x120 [ 74.504240][ C0] [ 74.504240][ C0] other info that might help us debug this: [ 74.512288][ C0] Possible unsafe locking scenario: [ 74.512288][ C0] [ 74.519732][ C0] CPU0 [ 74.523003][ C0] ---- [ 74.526272][ C0] lock(&timer->lock); [ 74.530682][ C0] [ 74.534124][ C0] lock(&timer->lock); [ 74.538450][ C0] [ 74.538450][ C0] *** DEADLOCK *** [ 74.538450][ C0] [ 74.546582][ C0] 1 lock held by swapper/0/0: [ 74.551259][ C0] #0: ffffc90000007cb0 ((&priv->tlist)){+.-.}-{0:0}, at: call_timer_fn+0x11a/0x5b0 [ 74.560670][ C0] [ 74.560670][ C0] stack backtrace: [ 74.566546][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 74.576090][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 74.586138][ C0] Call Trace: [ 74.589455][ C0] [ 74.592296][ C0] dump_stack_lvl+0x116/0x1f0 [ 74.596981][ C0] mark_lock+0x923/0xc60 [ 74.601231][ C0] ? __pfx_mark_lock+0x10/0x10 [ 74.606001][ C0] ? find_held_lock+0x2d/0x110 [ 74.610764][ C0] ? sched_ttwu_pending+0x2e9/0x560 [ 74.615962][ C0] ? __pfx_lock_release+0x10/0x10 [ 74.620994][ C0] __lock_acquire+0x13d4/0x3b30 [ 74.625852][ C0] ? kvm_sched_clock_read+0x11/0x20 [ 74.631052][ C0] ? sched_clock+0x38/0x60 [ 74.635477][ C0] ? __pfx___lock_acquire+0x10/0x10 [ 74.640684][ C0] ? __pfx_sched_ttwu_pending+0x10/0x10 [ 74.646230][ C0] ? __pfx_sched_clock_cpu+0x10/0x10 [ 74.651523][ C0] lock_acquire+0x1b1/0x540 [ 74.656121][ C0] ? snd_timer_interrupt.part.0+0x31/0xd80 [ 74.661925][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 74.666958][ C0] ? asm_sysvec_call_function_single+0x1a/0x20 [ 74.673132][ C0] ? lockdep_hardirqs_on+0x7c/0x110 [ 74.678336][ C0] _raw_spin_lock_irqsave+0x3a/0x60 [ 74.683535][ C0] ? snd_timer_interrupt.part.0+0x31/0xd80 [ 74.689356][ C0] snd_timer_interrupt.part.0+0x31/0xd80 [ 74.695004][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 74.700041][ C0] ? __pfx_lock_release+0x10/0x10 [ 74.705073][ C0] snd_timer_s_function+0x14f/0x200 [ 74.710272][ C0] call_timer_fn+0x1a0/0x5b0 [ 74.714956][ C0] ? __pfx_snd_timer_s_function+0x10/0x10 [ 74.720676][ C0] ? __pfx_call_timer_fn+0x10/0x10 [ 74.725793][ C0] ? __pfx_lock_release+0x10/0x10 [ 74.730825][ C0] ? __pfx_snd_timer_s_function+0x10/0x10 [ 74.736545][ C0] ? __pfx_snd_timer_s_function+0x10/0x10 [ 74.742409][ C0] __run_timers+0x74b/0xab0 [ 74.746935][ C0] ? __pfx___run_timers+0x10/0x10 [ 74.751978][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 74.757017][ C0] run_timer_base+0x111/0x190 [ 74.761707][ C0] ? __pfx_run_timer_base+0x10/0x10 [ 74.766909][ C0] run_timer_softirq+0x1a/0x40 [ 74.772318][ C0] __do_softirq+0x218/0x8de [ 74.776827][ C0] ? __pfx___do_softirq+0x10/0x10 [ 74.781855][ C0] irq_exit_rcu+0xb9/0x120 [ 74.786272][ C0] sysvec_apic_timer_interrupt+0x95/0xb0 [ 74.791910][ C0] [ 74.794834][ C0] [ 74.797778][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 74.803792][ C0] RIP: 0010:acpi_safe_halt+0x1a/0x20 [ 74.809100][ C0] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 65 48 8b 05 d8 60 31 75 48 8b 00 a8 08 75 0c 66 90 0f 00 2d c8 73 a7 00 fb f4 c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 74.828721][ C0] RSP: 0018:ffffffff8d407d68 EFLAGS: 00000246 [ 74.834789][ C0] RAX: 0000000000004000 RBX: 0000000000000001 RCX: ffffffff8ad255f9 [ 74.842756][ C0] RDX: 0000000000000001 RSI: ffff8880196e4000 RDI: ffff8880196e4064 [ 74.850726][ C0] RBP: ffff8880196e4064 R08: 0000000000000001 R09: ffffed1017286fdd [ 74.858700][ C0] R10: ffff8880b9437eeb R11: 0000000000000000 R12: ffff8880151de800 [ 74.866687][ C0] R13: ffffffff8e31fbc0 R14: 0000000000000000 R15: 0000000000000000 [ 74.874661][ C0] ? ct_kernel_exit+0x139/0x190 [ 74.879617][ C0] acpi_idle_enter+0xc5/0x160 [ 74.884299][ C0] cpuidle_enter_state+0x85/0x510 [ 74.889333][ C0] ? __pfx_tsc_verify_tsc_adjust+0x10/0x10 [ 74.895154][ C0] cpuidle_enter+0x4e/0xa0 [ 74.899573][ C0] do_idle+0x313/0x3f0 [ 74.903637][ C0] ? __pfx_do_idle+0x10/0x10 [ 74.908222][ C0] cpu_startup_entry+0x4f/0x60 [ 74.912986][ C0] rest_init+0x16f/0x2b0 [ 74.917226][ C0] ? regulator_has_full_constraints+0x9/0x20 [ 74.923211][ C0] ? __pfx_x86_late_time_init+0x10/0x10 [ 74.928765][ C0] arch_call_rest_init+0x13/0x40 [ 74.933713][ C0] start_kernel+0x3a3/0x490 [ 74.938311][ C0] x86_64_start_reservations+0x18/0x30 [ 74.943778][ C0] x86_64_start_kernel+0xb2/0xc0 [pid 5087] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5087] <... futex resumed>) = 0 [pid 5084] <... mmap resumed>) = 0x7ff12c95c000 [pid 5081] <... futex resumed>) = 0 [pid 5088] <... rseq resumed>) = 0 [pid 5086] <... futex resumed>) = ? [pid 5085] <... ioctl resumed>) = 0 [pid 5083] <... clone3 resumed> => {parent_tid=[5088]}, 88) = 5088 [pid 5082] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5081] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... exit_group resumed>) = ? [pid 5087] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5085] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5082] exit_group(0 [pid 5081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5088] set_robust_list(0x7ff12c97c9a0, 24 [pid 5085] <... futex resumed>) = 0 [pid 5084] <... mprotect resumed>) = 0 [pid 5085] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... exit_group resumed>) = ? [pid 5085] <... futex resumed>) = ? [pid 5087] <... futex resumed>) = 0 [pid 5081] <... futex resumed>) = 1 [pid 5087] ioctl(3, SNDRV_TIMER_IOCTL_START, 0) = 0 [pid 5087] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5087] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5083] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5083] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5085] +++ exited with 0 +++ [pid 5082] +++ exited with 0 +++ [pid 5081] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5082, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5088] <... set_robust_list resumed>) = 0 [pid 5081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5088] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5088] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5084] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5081] exit_group(0 [pid 5088] <... openat resumed>) = 3 [pid 5088] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... futex resumed>) = ? [pid 5084] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5081] <... exit_group resumed>) = ? [pid 5088] <... futex resumed>) = 1 [pid 5087] +++ exited with 0 +++ [pid 5084] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5083] <... futex resumed>) = 0 [pid 5088] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5083] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] <... ioctl resumed>) = 0 [pid 5088] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... futex resumed>) = 0 [pid 5088] <... futex resumed>) = 0 [pid 5083] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5088] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] <... futex resumed>) = 0 [pid 5083] <... futex resumed>) = 1 [pid 5088] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5083] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] +++ exited with 0 +++ [pid 5088] <... ioctl resumed>) = 0 [pid 5088] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5081, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5089 attached [pid 5088] <... futex resumed>) = 1 [pid 5086] +++ exited with 0 +++ [pid 5084] <... clone3 resumed> => {parent_tid=[5089]}, 88) = 5089 [pid 5083] <... futex resumed>) = 0 [pid 5080] +++ exited with 0 +++ [pid 5089] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5084] rt_sigprocmask(SIG_SETMASK, [], [pid 5089] <... rseq resumed>) = 0 [pid 5089] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5088] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5083] exit_group(0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5080, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5089] rt_sigprocmask(SIG_SETMASK, [], [pid 5084] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5084] <... futex resumed>) = 0 [pid 5089] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5088] <... futex resumed>) = ? [pid 5083] <... exit_group resumed>) = ? [pid 5065] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5090 attached [pid 5089] <... openat resumed>) = 3 [pid 5088] +++ exited with 0 +++ [pid 5084] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] +++ exited with 0 +++ [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5089] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5090 [pid 5089] <... futex resumed>) = 0 [pid 5084] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5083, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5089] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5084] <... futex resumed>) = 0 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5084] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5090] set_robust_list(0x555581d606a0, 24 [pid 5089] <... ioctl resumed>) = 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5090] <... set_robust_list resumed>) = 0 [pid 5089] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5084] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5092 attached [pid 5092] set_robust_list(0x555581d606a0, 24 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5091 [pid 5092] <... set_robust_list resumed>) = 0 [pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5091 attached ) = 0 [pid 5092] setpgid(0, 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5092 [pid 5092] <... setpgid resumed>) = 0 [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5084] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] set_robust_list(0x555581d606a0, 24 [pid 5089] ioctl(3, SNDRV_TIMER_IOCTL_START, 0./strace-static-x86_64: Process 5093 attached [pid 5091] <... set_robust_list resumed>) = 0 [pid 5089] <... ioctl resumed>) = 0 [pid 5084] <... futex resumed>) = 0 [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5089] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5093] set_robust_list(0x555581d606a0, 24 [pid 5092] <... openat resumed>) = 3 [pid 5089] <... futex resumed>) = 0 [pid 5084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5090] <... prctl resumed>) = 0 [pid 5089] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5084] exit_group(0 [pid 5090] setpgid(0, 0 [pid 5084] <... exit_group resumed>) = ? [pid 5089] <... futex resumed>) = ? [pid 5093] <... set_robust_list resumed>) = 0 [pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5092] write(3, "1000", 4) = 4 [pid 5092] close(3) = 0 [ 74.948725][ C0] common_startup_64+0x13e/0x148 [ 74.953668][ C0] [pid 5092] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... prctl resumed>) = 0 [pid 5091] <... prctl resumed>) = 0 [pid 5092] <... futex resumed>) = 0 [pid 5090] <... setpgid resumed>) = 0 [pid 5089] +++ exited with 0 +++ [pid 5084] +++ exited with 0 +++ [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5093 [pid 5092] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5093] setpgid(0, 0 [pid 5091] setpgid(0, 0 [pid 5092] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5084, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5093] <... setpgid resumed>) = 0 [pid 5091] <... setpgid resumed>) = 0 [pid 5092] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5090] <... openat resumed>) = 3 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5092] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5090] write(3, "1000", 4 [pid 5093] <... openat resumed>) = 3 [pid 5090] <... write resumed>) = 4 [pid 5093] write(3, "1000", 4 [pid 5092] <... mmap resumed>) = 0x7ff12c95c000 [pid 5090] close(3 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5093] <... write resumed>) = 4 [pid 5091] <... openat resumed>) = 3 [pid 5092] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5090] <... close resumed>) = 0 [pid 5090] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5093] close(3 [pid 5092] <... mprotect resumed>) = 0 [pid 5090] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5093] <... close resumed>) = 0 [pid 5091] write(3, "1000", 4 [pid 5092] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5090] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5093] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5094 attached [pid 5093] <... futex resumed>) = 0 [pid 5091] <... write resumed>) = 4 [pid 5092] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5094] set_robust_list(0x555581d606a0, 24 [pid 5093] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5091] close(3 [pid 5090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5094] <... set_robust_list resumed>) = 0 [pid 5093] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5091] <... close resumed>) = 0 [pid 5092] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5090] <... mmap resumed>) = 0x7ff12c95c000 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5094 [pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5093] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5091] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5095 attached [pid 5094] <... prctl resumed>) = 0 [pid 5093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5095] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5094] setpgid(0, 0 [pid 5093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5090] <... mprotect resumed>) = 0 [pid 5091] <... futex resumed>) = 0 [pid 5092] <... clone3 resumed> => {parent_tid=[5095]}, 88) = 5095 [pid 5095] <... rseq resumed>) = 0 [pid 5094] <... setpgid resumed>) = 0 [pid 5093] <... mmap resumed>) = 0x7ff12c95c000 [pid 5091] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5092] rt_sigprocmask(SIG_SETMASK, [], [pid 5095] set_robust_list(0x7ff12c97c9a0, 24 [pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5093] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5091] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5090] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5095] <... set_robust_list resumed>) = 0 [pid 5091] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5095] rt_sigprocmask(SIG_SETMASK, [], [pid 5093] <... mprotect resumed>) = 0 [pid 5092] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5094] <... openat resumed>) = 3 [pid 5095] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5092] <... futex resumed>) = 0 [pid 5090] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5096 attached [pid 5095] <... openat resumed>) = 3 [pid 5094] write(3, "1000", 4 [pid 5093] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5092] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5095] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] <... write resumed>) = 4 [pid 5093] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5091] <... mmap resumed>) = 0x7ff12c95c000 [pid 5090] <... clone3 resumed> => {parent_tid=[5096]}, 88) = 5096 [pid 5096] <... rseq resumed>) = 0 [pid 5095] <... futex resumed>) = 1 [pid 5094] close(3 [pid 5092] <... futex resumed>) = 0 [pid 5093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5090] rt_sigprocmask(SIG_SETMASK, [], [pid 5092] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] set_robust_list(0x7ff12c97c9a0, 24 [pid 5095] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5091] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5092] <... futex resumed>) = 0 [pid 5090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5096] <... set_robust_list resumed>) = 0 [pid 5094] <... close resumed>) = 0 [pid 5092] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] rt_sigprocmask(SIG_SETMASK, [], [pid 5090] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5090] <... futex resumed>) = 0 [pid 5091] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5097 attached [pid 5096] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5095] <... ioctl resumed>) = 0 [pid 5094] <... futex resumed>) = 0 [pid 5091] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5090] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5095] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5091] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5097] <... rseq resumed>) = 0 [pid 5095] <... futex resumed>) = 1 [pid 5094] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5093] <... clone3 resumed> => {parent_tid=[5097]}, 88) = 5097 [pid 5091] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5092] <... futex resumed>) = 0 [pid 5096] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5098 attached [pid 5097] set_robust_list(0x7ff12c97c9a0, 24 [pid 5096] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5094] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5093] rt_sigprocmask(SIG_SETMASK, [], [pid 5092] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5097] <... set_robust_list resumed>) = 0 [pid 5096] <... futex resumed>) = 1 [pid 5095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5094] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5091] <... clone3 resumed> => {parent_tid=[5098]}, 88) = 5098 [pid 5090] <... futex resumed>) = 0 [pid 5098] <... rseq resumed>) = 0 [pid 5097] rt_sigprocmask(SIG_SETMASK, [], [pid 5096] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5094] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5093] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] rt_sigprocmask(SIG_SETMASK, [], [pid 5092] <... futex resumed>) = 0 [pid 5090] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] set_robust_list(0x7ff12c97c9a0, 24 [pid 5097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5095] <... ioctl resumed>) = 0 [pid 5093] <... futex resumed>) = 0 [pid 5091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5098] <... set_robust_list resumed>) = 0 [pid 5097] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5096] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5094] <... mmap resumed>) = 0x7ff12c95c000 [pid 5093] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5091] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5090] <... futex resumed>) = 0 [pid 5098] rt_sigprocmask(SIG_SETMASK, [], [pid 5096] <... ioctl resumed>) = 0 [pid 5095] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5095] <... futex resumed>) = 0 [pid 5090] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5095] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5092] exit_group(0 [pid 5097] <... openat resumed>) = 3 [pid 5096] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... futex resumed>) = ? [pid 5094] <... mprotect resumed>) = 0 [pid 5091] <... futex resumed>) = 0 [pid 5092] <... exit_group resumed>) = ? [pid 5097] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] <... openat resumed>) = 3 [pid 5097] <... futex resumed>) = 1 [pid 5096] <... futex resumed>) = 1 [pid 5095] +++ exited with 0 +++ [pid 5093] <... futex resumed>) = 0 [pid 5097] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5093] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5093] <... futex resumed>) = 0 [pid 5097] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5093] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] <... ioctl resumed>) = 0 [pid 5097] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5093] <... futex resumed>) = 0 [pid 5097] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5093] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5093] <... futex resumed>) = 0 [pid 5097] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5093] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] <... ioctl resumed>) = 0 [pid 5097] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5094] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5092] +++ exited with 0 +++ [pid 5090] <... futex resumed>) = 0 [pid 5098] <... futex resumed>) = 1 [pid 5094] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5091] <... futex resumed>) = 0 [pid 5090] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5092, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5098] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5097] <... futex resumed>) = 1 [pid 5096] <... futex resumed>) = 0 [pid 5094] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5093] <... futex resumed>) = 0 [pid 5091] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5099 attached [pid 5098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5097] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5093] exit_group(0 [pid 5091] <... futex resumed>) = 0 [pid 5090] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5099] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5098] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5097] <... futex resumed>) = ? [pid 5096] <... ioctl resumed>) = 0 [pid 5094] <... clone3 resumed> => {parent_tid=[5099]}, 88) = 5099 [pid 5093] <... exit_group resumed>) = ? [pid 5091] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5099] <... rseq resumed>) = 0 [pid 5098] <... ioctl resumed>) = 0 [pid 5097] +++ exited with 0 +++ [pid 5096] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] rt_sigprocmask(SIG_SETMASK, [], [pid 5098] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... futex resumed>) = 1 [pid 5094] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5090] <... futex resumed>) = 0 [pid 5098] <... futex resumed>) = 1 [pid 5096] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5094] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] <... futex resumed>) = 0 [pid 5090] exit_group(0 [pid 5099] set_robust_list(0x7ff12c97c9a0, 24) = 0 ./strace-static-x86_64: Process 5100 attached [pid 5099] rt_sigprocmask(SIG_SETMASK, [], [pid 5091] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5096] <... futex resumed>) = ? [pid 5091] <... futex resumed>) = 0 [pid 5090] <... exit_group resumed>) = ? [pid 5099] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5096] +++ exited with 0 +++ [pid 5094] <... futex resumed>) = 0 [pid 5091] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5100] set_robust_list(0x555581d606a0, 24 [pid 5099] <... openat resumed>) = 3 [pid 5098] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5094] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5093] +++ exited with 0 +++ [pid 5090] +++ exited with 0 +++ [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5100 [pid 5100] <... set_robust_list resumed>) = 0 [pid 5098] <... ioctl resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5093, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5090, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5099] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... prctl resumed>) = 0 [pid 5099] <... futex resumed>) = 1 [pid 5098] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] setpgid(0, 0 [pid 5099] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5094] <... futex resumed>) = 0 [pid 5100] <... setpgid resumed>) = 0 [pid 5098] <... futex resumed>) = 1 [pid 5094] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] <... futex resumed>) = 0 [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5099] <... futex resumed>) = 0 [pid 5098] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5094] <... futex resumed>) = 1 [pid 5091] exit_group(0 [pid 5099] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5100] <... openat resumed>) = 3 [pid 5099] <... ioctl resumed>) = 0 [pid 5098] <... futex resumed>) = ? [pid 5094] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5091] <... exit_group resumed>) = ? [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5099] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5099] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] write(3, "1000", 4./strace-static-x86_64: Process 5102 attached ./strace-static-x86_64: Process 5101 attached [pid 5098] +++ exited with 0 +++ [pid 5094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5091] +++ exited with 0 +++ [pid 5102] set_robust_list(0x555581d606a0, 24 [pid 5101] set_robust_list(0x555581d606a0, 24 [pid 5100] <... write resumed>) = 4 [pid 5094] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5102 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5101 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5102] <... set_robust_list resumed>) = 0 [pid 5101] <... set_robust_list resumed>) = 0 [pid 5100] close(3 [pid 5099] <... futex resumed>) = 0 [pid 5094] <... futex resumed>) = 1 [pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5100] <... close resumed>) = 0 [pid 5094] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5099] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5102] <... prctl resumed>) = 0 [pid 5101] <... prctl resumed>) = 0 [pid 5100] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] setpgid(0, 0 [pid 5099] <... ioctl resumed>) = 0 [pid 5102] <... setpgid resumed>) = 0 [pid 5101] setpgid(0, 0 [pid 5100] <... futex resumed>) = 0 [pid 5099] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5101] <... setpgid resumed>) = 0 [pid 5100] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5102] <... openat resumed>) = 3 [pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5100] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5099] <... futex resumed>) = 1 [pid 5094] <... futex resumed>) = 0 [pid 5099] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5094] exit_group(0 [pid 5102] write(3, "1000", 4 [pid 5100] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5099] <... futex resumed>) = ? [pid 5094] <... exit_group resumed>) = ? [pid 5101] <... openat resumed>) = 3 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5102] <... write resumed>) = 4 [pid 5101] write(3, "1000", 4 [pid 5100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5102] close(3 [pid 5101] <... write resumed>) = 4 [pid 5100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 ./strace-static-x86_64: Process 5103 attached [pid 5102] <... close resumed>) = 0 [pid 5101] close(3 [pid 5100] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5099] +++ exited with 0 +++ [pid 5094] +++ exited with 0 +++ [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5103 [pid 5102] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... close resumed>) = 0 [pid 5100] <... mprotect resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5094, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5102] <... futex resumed>) = 0 [pid 5101] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5101] <... futex resumed>) = 0 [pid 5100] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5102] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5101] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5102] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5101] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5101] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5100] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5102] <... mmap resumed>) = 0x7ff12c95c000 [pid 5101] <... mmap resumed>) = 0x7ff12c95c000 [pid 5100] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5104 attached [pid 5103] set_robust_list(0x555581d606a0, 24 [pid 5102] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5101] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5105 attached [pid 5104] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5103] <... set_robust_list resumed>) = 0 [pid 5102] <... mprotect resumed>) = 0 [pid 5101] <... mprotect resumed>) = 0 [pid 5100] <... clone3 resumed> => {parent_tid=[5104]}, 88) = 5104 [pid 5104] <... rseq resumed>) = 0 [pid 5103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5104] set_robust_list(0x7ff12c97c9a0, 24 [pid 5103] <... prctl resumed>) = 0 [pid 5104] <... set_robust_list resumed>) = 0 [pid 5104] rt_sigprocmask(SIG_SETMASK, [], [pid 5103] setpgid(0, 0 [pid 5102] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5101] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5100] rt_sigprocmask(SIG_SETMASK, [], [pid 5105] set_robust_list(0x555581d606a0, 24 [pid 5104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5103] <... setpgid resumed>) = 0 [pid 5102] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5101] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5105 [pid 5105] <... set_robust_list resumed>) = 0 [pid 5104] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5102] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5100] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5107 attached ./strace-static-x86_64: Process 5106 attached [pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5103] <... openat resumed>) = 3 [pid 5100] <... futex resumed>) = 0 [pid 5106] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5104] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5103] write(3, "1000", 4 [pid 5107] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 5106] <... rseq resumed>) = 0 [pid 5104] <... openat resumed>) = 3 [pid 5103] <... write resumed>) = 4 [pid 5102] <... clone3 resumed> => {parent_tid=[5106]}, 88) = 5106 [pid 5100] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5107] set_robust_list(0x7ff12c97c9a0, 24 [pid 5106] set_robust_list(0x7ff12c97c9a0, 24 [pid 5105] <... prctl resumed>) = 0 [pid 5104] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] close(3 [pid 5102] rt_sigprocmask(SIG_SETMASK, [], [pid 5101] <... clone3 resumed> => {parent_tid=[5107]}, 88) = 5107 [pid 5100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5107] <... set_robust_list resumed>) = 0 [pid 5106] <... set_robust_list resumed>) = 0 [pid 5104] <... futex resumed>) = 0 [pid 5103] <... close resumed>) = 0 [pid 5102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5101] rt_sigprocmask(SIG_SETMASK, [], [pid 5100] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] setpgid(0, 0 [pid 5107] rt_sigprocmask(SIG_SETMASK, [], [pid 5106] rt_sigprocmask(SIG_SETMASK, [], [pid 5104] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5103] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5100] <... futex resumed>) = 0 [pid 5107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5105] <... setpgid resumed>) = 0 [pid 5103] <... futex resumed>) = 0 [pid 5102] <... futex resumed>) = 0 [pid 5101] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5107] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5106] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5102] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5101] <... futex resumed>) = 0 [pid 5107] <... openat resumed>) = 3 [pid 5106] <... openat resumed>) = 3 [pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5104] <... ioctl resumed>) = 0 [pid 5103] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5101] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5106] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5103] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5102] <... futex resumed>) = 0 [pid 5106] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5102] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] <... ioctl resumed>) = 0 [pid 5105] <... openat resumed>) = 3 [pid 5102] <... futex resumed>) = 0 [pid 5103] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5107] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5104] <... futex resumed>) = 1 [pid 5103] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5104] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5107] <... futex resumed>) = 1 [pid 5105] write(3, "1000", 4 [pid 5107] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5106] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] <... mmap resumed>) = 0x7ff12c95c000 [pid 5105] <... write resumed>) = 4 [pid 5102] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5101] <... futex resumed>) = 0 [pid 5100] <... futex resumed>) = 0 [pid 5106] <... futex resumed>) = 0 [pid 5105] close(3 [pid 5103] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5101] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] <... futex resumed>) = 0 [pid 5106] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] <... close resumed>) = 0 [pid 5104] <... futex resumed>) = 0 [pid 5103] <... mprotect resumed>) = 0 [pid 5102] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... futex resumed>) = 1 [pid 5100] <... futex resumed>) = 1 [pid 5107] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5105] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5102] <... futex resumed>) = 0 [pid 5101] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5100] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5107] <... ioctl resumed>) = 0 [pid 5106] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5104] <... ioctl resumed>) = 0 [pid 5102] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5107] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] <... ioctl resumed>) = 0 [pid 5105] <... futex resumed>) = 0 [pid 5104] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5107] <... futex resumed>) = 1 [pid 5106] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5104] <... futex resumed>) = 1 [pid 5101] <... futex resumed>) = 0 [pid 5100] <... futex resumed>) = 0 [pid 5106] <... futex resumed>) = 1 [pid 5105] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5102] <... futex resumed>) = 0 [pid 5101] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] exit_group(0 [pid 5104] ???( [pid 5107] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5106] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5103] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5102] exit_group(0 [pid 5104] <... ??? resumed>) = ? [pid 5101] <... futex resumed>) = 0 [pid 5100] <... exit_group resumed>) = ? [pid 5107] <... ioctl resumed>) = 0 [pid 5106] <... futex resumed>) = ? [pid 5105] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5104] +++ exited with 0 +++ [pid 5103] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5102] <... exit_group resumed>) = ? [pid 5101] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5108 attached [pid 5107] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] +++ exited with 0 +++ [pid 5105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5107] <... futex resumed>) = 0 [pid 5105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5103] <... clone3 resumed> => {parent_tid=[5108]}, 88) = 5108 [pid 5107] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] <... mmap resumed>) = 0x7ff12c95c000 [pid 5103] rt_sigprocmask(SIG_SETMASK, [], [pid 5100] +++ exited with 0 +++ [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5108] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5101] exit_group(0 [pid 5108] <... rseq resumed>) = 0 [pid 5107] <... futex resumed>) = ? [pid 5105] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5103] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] +++ exited with 0 +++ [pid 5101] <... exit_group resumed>) = ? [pid 5108] set_robust_list(0x7ff12c97c9a0, 24 [pid 5107] +++ exited with 0 +++ [pid 5103] <... futex resumed>) = 0 [pid 5108] <... set_robust_list resumed>) = 0 [pid 5105] <... mprotect resumed>) = 0 [pid 5103] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5101] +++ exited with 0 +++ [pid 5108] rt_sigprocmask(SIG_SETMASK, [], [pid 5105] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5101, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5108] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5105] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5108] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5105] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5102, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5108] <... openat resumed>) = 3 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5109 attached [pid 5108] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5108] <... futex resumed>) = 1 [pid 5105] <... clone3 resumed> => {parent_tid=[5109]}, 88) = 5109 [pid 5103] <... futex resumed>) = 0 [pid 5109] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5108] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] rt_sigprocmask(SIG_SETMASK, [], [pid 5103] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5111 attached ./strace-static-x86_64: Process 5110 attached [pid 5109] <... rseq resumed>) = 0 [pid 5108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5103] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5110 [pid 5111] set_robust_list(0x555581d606a0, 24 [pid 5110] set_robust_list(0x555581d606a0, 24 [pid 5109] set_robust_list(0x7ff12c97c9a0, 24 [pid 5108] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5105] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5111 [pid 5111] <... set_robust_list resumed>) = 0 [pid 5110] <... set_robust_list resumed>) = 0 [pid 5109] <... set_robust_list resumed>) = 0 [pid 5108] <... ioctl resumed>) = 0 [pid 5105] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5109] rt_sigprocmask(SIG_SETMASK, [], [pid 5108] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5111] <... prctl resumed>) = 0 [pid 5108] <... futex resumed>) = 1 [pid 5111] setpgid(0, 0 [pid 5108] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5111] <... setpgid resumed>) = 0 [pid 5111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5103] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5112 attached [pid 5112] set_robust_list(0x555581d606a0, 24 [pid 5110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5109] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5103] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] <... prctl resumed>) = 0 [pid 5112] <... set_robust_list resumed>) = 0 [pid 5111] <... openat resumed>) = 3 [pid 5110] setpgid(0, 0 [pid 5109] <... openat resumed>) = 3 [pid 5108] <... futex resumed>) = 0 [pid 5103] <... futex resumed>) = 1 [pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5110] <... setpgid resumed>) = 0 [pid 5109] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5103] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5112 [pid 5112] <... prctl resumed>) = 0 [pid 5111] write(3, "1000", 4 [pid 5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5109] <... futex resumed>) = 1 [pid 5108] <... ioctl resumed>) = 0 [pid 5105] <... futex resumed>) = 0 [pid 5112] setpgid(0, 0 [pid 5111] <... write resumed>) = 4 [pid 5108] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... setpgid resumed>) = 0 [pid 5111] close(3 [pid 5109] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5108] <... futex resumed>) = 1 [pid 5105] <... futex resumed>) = 0 [pid 5103] <... futex resumed>) = 0 [pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5111] <... close resumed>) = 0 [pid 5110] <... openat resumed>) = 3 [pid 5108] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5110] write(3, "1000", 4 [pid 5109] <... ioctl resumed>) = 0 [pid 5103] exit_group(0 [pid 5112] <... openat resumed>) = 3 [pid 5111] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] <... write resumed>) = 4 [pid 5109] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... futex resumed>) = ? [pid 5103] <... exit_group resumed>) = ? [pid 5111] <... futex resumed>) = 0 [pid 5110] close(3 [pid 5109] <... futex resumed>) = 1 [pid 5108] +++ exited with 0 +++ [pid 5105] <... futex resumed>) = 0 [pid 5112] write(3, "1000", 4 [pid 5111] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5110] <... close resumed>) = 0 [pid 5109] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... write resumed>) = 4 [pid 5111] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5110] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5105] <... futex resumed>) = 0 [pid 5112] close(3 [pid 5111] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5105] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5112] <... close resumed>) = 0 [pid 5111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5109] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5110] <... futex resumed>) = 0 [pid 5111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5110] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5112] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5111] <... mmap resumed>) = 0x7ff12c95c000 [pid 5110] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5109] <... ioctl resumed>) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5111] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5110] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5112] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5111] <... mprotect resumed>) = 0 [pid 5110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5109] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5111] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5110] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5109] <... futex resumed>) = 1 [pid 5105] <... futex resumed>) = 0 [pid 5112] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5109] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] exit_group(0 [pid 5110] <... mmap resumed>) = 0x7ff12c95c000 [pid 5112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5111] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5110] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5109] <... futex resumed>) = ? [pid 5105] <... exit_group resumed>) = ? [pid 5112] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5111] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5110] <... mprotect resumed>) = 0 [pid 5109] +++ exited with 0 +++ [pid 5105] +++ exited with 0 +++ [pid 5103] +++ exited with 0 +++ ./strace-static-x86_64: Process 5113 attached [pid 5112] <... mmap resumed>) = 0x7ff12c95c000 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5105, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5103, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5112] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5113] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5112] <... mprotect resumed>) = 0 [pid 5111] <... clone3 resumed> => {parent_tid=[5113]}, 88) = 5113 [pid 5110] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5111] rt_sigprocmask(SIG_SETMASK, [], [pid 5112] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5113] <... rseq resumed>) = 0 [pid 5111] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5114 attached ./strace-static-x86_64: Process 5115 attached [pid 5113] set_robust_list(0x7ff12c97c9a0, 24 [pid 5112] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5111] <... futex resumed>) = 0 [pid 5110] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5113] <... set_robust_list resumed>) = 0 [pid 5115] set_robust_list(0x555581d606a0, 24 [pid 5111] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5115] <... set_robust_list resumed>) = 0 [pid 5114] set_robust_list(0x555581d606a0, 24 [pid 5113] rt_sigprocmask(SIG_SETMASK, [], [pid 5112] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5114] <... set_robust_list resumed>) = 0 [pid 5113] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5116 attached [pid 5116] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5116] <... rseq resumed>) = 0 [pid 5112] <... clone3 resumed> => {parent_tid=[5117]}, 88) = 5117 ./strace-static-x86_64: Process 5117 attached [pid 5115] <... prctl resumed>) = 0 [pid 5113] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5110] <... clone3 resumed> => {parent_tid=[5116]}, 88) = 5116 [pid 5117] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5115] setpgid(0, 0 [pid 5114] <... prctl resumed>) = 0 [pid 5117] <... rseq resumed>) = 0 [pid 5116] set_robust_list(0x7ff12c97c9a0, 24 [pid 5115] <... setpgid resumed>) = 0 [pid 5113] <... openat resumed>) = 3 [pid 5112] rt_sigprocmask(SIG_SETMASK, [], [pid 5110] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5115 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5114 [pid 5117] set_robust_list(0x7ff12c97c9a0, 24 [pid 5116] <... set_robust_list resumed>) = 0 [pid 5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5114] setpgid(0, 0 [pid 5113] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5117] <... set_robust_list resumed>) = 0 [pid 5116] rt_sigprocmask(SIG_SETMASK, [], [pid 5115] <... openat resumed>) = 3 [pid 5114] <... setpgid resumed>) = 0 [pid 5113] <... futex resumed>) = 1 [pid 5112] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5111] <... futex resumed>) = 0 [pid 5117] rt_sigprocmask(SIG_SETMASK, [], [pid 5112] <... futex resumed>) = 0 [pid 5111] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5111] <... futex resumed>) = 0 [pid 5111] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5116] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3 [pid 5116] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5115] write(3, "1000", 4 [pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5113] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5110] <... futex resumed>) = 0 [pid 5117] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5116] <... futex resumed>) = 0 [pid 5115] <... write resumed>) = 4 [pid 5116] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] close(3) = 0 [pid 5117] <... openat resumed>) = 3 [pid 5115] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5115] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5117] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5117] <... futex resumed>) = 1 [pid 5115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5117] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5115] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5114] <... openat resumed>) = 3 [pid 5113] <... ioctl resumed>) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5110] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5115] <... mprotect resumed>) = 0 [pid 5114] write(3, "1000", 4 [pid 5113] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5115] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5110] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... futex resumed>) = 0 [pid 5116] <... futex resumed>) = 0 [pid 5115] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5114] <... write resumed>) = 4 [pid 5113] <... futex resumed>) = 1 [pid 5112] <... futex resumed>) = 1 [pid 5111] <... futex resumed>) = 0 [pid 5110] <... futex resumed>) = 1 [pid 5117] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5116] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5115] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5114] close(3 [pid 5113] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5112] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5111] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5117] <... ioctl resumed>) = 0 [pid 5116] <... ioctl resumed>) = 0 [pid 5114] <... close resumed>) = 0 [pid 5113] <... ioctl resumed>) = 0 [pid 5111] <... futex resumed>) = 0 [pid 5117] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] <... clone3 resumed> => {parent_tid=[5118]}, 88) = 5118 [pid 5114] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5111] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5117] <... futex resumed>) = 1 [pid 5115] rt_sigprocmask(SIG_SETMASK, [], [pid 5114] <... futex resumed>) = 0 [pid 5113] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5110] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5114] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5113] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5112] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5111] exit_group(0 [pid 5110] <... futex resumed>) = 0 [pid 5117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5115] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5113] <... futex resumed>) = ? [pid 5112] <... futex resumed>) = 0 [pid 5111] <... exit_group resumed>) = ? [pid 5110] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5118 attached [pid 5117] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5116] <... futex resumed>) = 0 [pid 5115] <... futex resumed>) = 0 [pid 5114] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5113] +++ exited with 0 +++ [pid 5112] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5118] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5117] <... ioctl resumed>) = 0 [pid 5116] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5115] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5111] +++ exited with 0 +++ [pid 5118] <... rseq resumed>) = 0 [pid 5117] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] <... ioctl resumed>) = 0 [pid 5118] set_robust_list(0x7ff12c97c9a0, 24 [pid 5117] <... futex resumed>) = 1 [pid 5114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5112] <... futex resumed>) = 0 [pid 5118] <... set_robust_list resumed>) = 0 [pid 5117] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5116] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] rt_sigprocmask(SIG_SETMASK, [], [pid 5116] <... futex resumed>) = 1 [pid 5114] <... mmap resumed>) = 0x7ff12c95c000 [pid 5110] <... futex resumed>) = 0 [pid 5118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5116] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5112] exit_group(0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5111, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5110] exit_group(0 [pid 5118] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5116] <... futex resumed>) = ? [pid 5110] <... exit_group resumed>) = ? [pid 5112] <... exit_group resumed>) = ? [pid 5118] <... openat resumed>) = 3 [pid 5117] <... futex resumed>) = ? [pid 5114] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5117] +++ exited with 0 +++ [pid 5112] +++ exited with 0 +++ ./strace-static-x86_64: Process 5119 attached [pid 5114] <... mprotect resumed>) = 0 [pid 5119] set_robust_list(0x555581d606a0, 24 [pid 5114] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5119] <... set_robust_list resumed>) = 0 [pid 5119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5114] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5119] <... prctl resumed>) = 0 [pid 5114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5119] setpgid(0, 0./strace-static-x86_64: Process 5120 attached [pid 5120] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5119] <... setpgid resumed>) = 0 [pid 5114] <... clone3 resumed> => {parent_tid=[5120]}, 88) = 5120 [pid 5120] <... rseq resumed>) = 0 [pid 5119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5114] rt_sigprocmask(SIG_SETMASK, [], [pid 5120] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5120] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5119] <... openat resumed>) = 3 [pid 5114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5120] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] <... futex resumed>) = 0 [pid 5114] <... futex resumed>) = 1 [pid 5120] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5114] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5119] write(3, "1000", 4 [pid 5118] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5112, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5120] <... openat resumed>) = 3 [pid 5119] <... write resumed>) = 4 [pid 5118] <... futex resumed>) = 1 [pid 5115] <... futex resumed>) = 0 [pid 5120] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] close(3 [pid 5118] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5116] +++ exited with 0 +++ [pid 5115] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] +++ exited with 0 +++ [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5119 [pid 5120] <... futex resumed>) = 1 [pid 5119] <... close resumed>) = 0 [pid 5118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5115] <... futex resumed>) = 0 [pid 5114] <... futex resumed>) = 0 [pid 5120] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5119] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5119] <... futex resumed>) = 0 [pid 5114] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5110, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5120] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5119] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5114] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] <... ioctl resumed>) = 0 [pid 5119] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5119] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5115] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5118] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080./strace-static-x86_64: Process 5121 attached ./strace-static-x86_64: Process 5122 attached [pid 5121] set_robust_list(0x555581d606a0, 24 [pid 5120] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5118] <... ioctl resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5121 [pid 5121] <... set_robust_list resumed>) = 0 [pid 5120] <... futex resumed>) = 1 [pid 5119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5118] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... futex resumed>) = 0 [pid 5114] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5122] set_robust_list(0x555581d606a0, 24 [pid 5119] <... mmap resumed>) = 0x7ff12c95c000 [pid 5118] <... futex resumed>) = 1 [pid 5115] <... futex resumed>) = 0 [pid 5122] <... set_robust_list resumed>) = 0 [pid 5121] <... prctl resumed>) = 0 [pid 5118] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5121] setpgid(0, 0 [pid 5120] <... ioctl resumed>) = 0 [pid 5122] <... prctl resumed>) = 0 [pid 5121] <... setpgid resumed>) = 0 [pid 5120] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5115] <... futex resumed>) = 0 [pid 5122] setpgid(0, 0 [pid 5119] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5114] <... futex resumed>) = 0 [pid 5122] <... setpgid resumed>) = 0 [pid 5120] <... futex resumed>) = 0 [pid 5118] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5115] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5120] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5119] <... mprotect resumed>) = 0 [pid 5118] <... ioctl resumed>) = 0 [pid 5114] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5122] <... openat resumed>) = 3 [pid 5121] <... openat resumed>) = 3 [pid 5119] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5122 [pid 5119] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5114] exit_group(0 [pid 5120] <... futex resumed>) = ? [pid 5119] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5114] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5123 attached [pid 5122] write(3, "1000", 4 [pid 5121] write(3, "1000", 4 [pid 5120] +++ exited with 0 +++ [pid 5118] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] +++ exited with 0 +++ [pid 5123] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5122] <... write resumed>) = 4 [pid 5121] <... write resumed>) = 4 [pid 5119] <... clone3 resumed> => {parent_tid=[5123]}, 88) = 5123 [pid 5118] <... futex resumed>) = 1 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5114, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5115] <... futex resumed>) = 0 [pid 5123] <... rseq resumed>) = 0 [pid 5122] close(3 [pid 5121] close(3 [pid 5119] rt_sigprocmask(SIG_SETMASK, [], [pid 5118] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5123] set_robust_list(0x7ff12c97c9a0, 24 [pid 5122] <... close resumed>) = 0 [pid 5121] <... close resumed>) = 0 [pid 5119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] <... restart_syscall resumed>) = 0 [pid 5123] <... set_robust_list resumed>) = 0 [pid 5122] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] rt_sigprocmask(SIG_SETMASK, [], [pid 5122] <... futex resumed>) = 0 [pid 5121] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = 0 [pid 5115] exit_group(0 [pid 5123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5122] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5121] <... futex resumed>) = 0 [pid 5119] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5118] <... futex resumed>) = ? [pid 5115] <... exit_group resumed>) = ? [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5122] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5121] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5118] +++ exited with 0 +++ ./strace-static-x86_64: Process 5124 attached [pid 5123] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5124] set_robust_list(0x555581d606a0, 24) = 0 [pid 5124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5124] setpgid(0, 0) = 0 [pid 5123] <... openat resumed>) = 3 [pid 5122] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5121] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5115] +++ exited with 0 +++ [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5124 [pid 5124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5121] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5115, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5124] <... openat resumed>) = 3 [pid 5123] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5122] <... mmap resumed>) = 0x7ff12c95c000 [pid 5121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5122] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5123] <... futex resumed>) = 1 [pid 5122] <... mprotect resumed>) = 0 [pid 5121] <... mmap resumed>) = 0x7ff12c95c000 [pid 5124] write(3, "1000", 4 [pid 5119] <... futex resumed>) = 0 [pid 5124] <... write resumed>) = 4 [pid 5119] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] close(3 [pid 5123] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5122] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5121] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5119] <... futex resumed>) = 0 [pid 5124] <... close resumed>) = 0 [pid 5119] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5121] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5125 attached [pid 5124] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] <... ioctl resumed>) = 0 [pid 5122] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5125] set_robust_list(0x555581d606a0, 24 [pid 5123] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] <... set_robust_list resumed>) = 0 [pid 5122] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5124] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5125 [pid 5124] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5121] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5126 attached [pid 5125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5124] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5126] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5125] <... prctl resumed>) = 0 [pid 5124] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5123] <... futex resumed>) = 1 [pid 5122] <... clone3 resumed> => {parent_tid=[5126]}, 88) = 5126 [pid 5121] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5119] <... futex resumed>) = 0 [pid 5126] <... rseq resumed>) = 0 [pid 5125] setpgid(0, 0 [pid 5124] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5123] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5122] rt_sigprocmask(SIG_SETMASK, [], [pid 5121] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5119] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] set_robust_list(0x7ff12c97c9a0, 24 [pid 5125] <... setpgid resumed>) = 0 [pid 5124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5119] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5127 attached [pid 5126] <... set_robust_list resumed>) = 0 [pid 5124] <... mmap resumed>) = 0x7ff12c95c000 [pid 5123] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5121] <... clone3 resumed> => {parent_tid=[5127]}, 88) = 5127 [pid 5119] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5127] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5126] rt_sigprocmask(SIG_SETMASK, [], [pid 5125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5124] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5123] <... ioctl resumed>) = 0 [pid 5121] rt_sigprocmask(SIG_SETMASK, [], [pid 5122] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] <... rseq resumed>) = 0 [pid 5126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5124] <... mprotect resumed>) = 0 [pid 5122] <... futex resumed>) = 0 [pid 5127] set_robust_list(0x7ff12c97c9a0, 24 [pid 5124] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5122] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5127] <... set_robust_list resumed>) = 0 [pid 5126] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5125] <... openat resumed>) = 3 [pid 5124] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5121] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] rt_sigprocmask(SIG_SETMASK, [], [pid 5126] <... openat resumed>) = 3 [pid 5124] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5123] <... futex resumed>) = 1 [pid 5119] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5128 attached [pid 5127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5126] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] write(3, "1000", 4 [pid 5123] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5121] <... futex resumed>) = 0 [pid 5119] exit_group(0 [pid 5128] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5127] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5126] <... futex resumed>) = 1 [pid 5125] <... write resumed>) = 4 [pid 5124] <... clone3 resumed> => {parent_tid=[5128]}, 88) = 5128 [pid 5123] <... futex resumed>) = ? [pid 5122] <... futex resumed>) = 0 [pid 5121] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5119] <... exit_group resumed>) = ? [pid 5128] <... rseq resumed>) = 0 [pid 5127] <... openat resumed>) = 3 [pid 5126] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5124] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5127] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] set_robust_list(0x7ff12c97c9a0, 24 [pid 5127] <... futex resumed>) = 1 [pid 5128] <... set_robust_list resumed>) = 0 [pid 5124] <... futex resumed>) = 0 [pid 5122] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] close(3 [pid 5121] <... futex resumed>) = 0 [pid 5128] rt_sigprocmask(SIG_SETMASK, [], [pid 5127] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5126] <... futex resumed>) = 0 [pid 5125] <... close resumed>) = 0 [pid 5124] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5122] <... futex resumed>) = 1 [pid 5121] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5126] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5125] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5121] <... futex resumed>) = 0 [pid 5128] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5127] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5126] <... ioctl resumed>) = 0 [pid 5125] <... futex resumed>) = 0 [pid 5121] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5127] <... ioctl resumed>) = 0 [pid 5126] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] <... futex resumed>) = 1 [pid 5122] <... futex resumed>) = 0 [pid 5128] <... openat resumed>) = 3 [pid 5127] <... futex resumed>) = 1 [pid 5126] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5125] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5122] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] <... futex resumed>) = 0 [pid 5127] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5126] <... ioctl resumed>) = 0 [pid 5125] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5122] <... futex resumed>) = 0 [pid 5121] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5126] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5122] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5121] <... futex resumed>) = 0 [pid 5128] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5126] <... futex resumed>) = 0 [pid 5125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5128] <... futex resumed>) = 1 [pid 5124] <... futex resumed>) = 0 [pid 5122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5121] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5127] <... ioctl resumed>) = 0 [pid 5126] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5124] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] <... futex resumed>) = 0 [pid 5123] +++ exited with 0 +++ [pid 5119] +++ exited with 0 +++ [pid 5128] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5127] <... futex resumed>) = 1 [pid 5125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5124] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5122] exit_group(0 [pid 5121] <... futex resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5119, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5128] <... ioctl resumed>) = 0 [pid 5127] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5126] <... futex resumed>) = ? [pid 5125] <... mmap resumed>) = 0x7ff12c95c000 [pid 5122] <... exit_group resumed>) = ? [pid 5121] exit_group(0 [pid 5128] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] <... futex resumed>) = ? [pid 5126] +++ exited with 0 +++ [pid 5121] <... exit_group resumed>) = ? [pid 5127] +++ exited with 0 +++ [pid 5128] <... futex resumed>) = 1 [pid 5125] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5122] +++ exited with 0 +++ [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5128] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5125] <... mprotect resumed>) = 0 [pid 5124] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5122, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5124] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5125] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5124] <... futex resumed>) = 0 [pid 5128] ioctl(3, SNDRV_TIMER_IOCTL_START, 0./strace-static-x86_64: Process 5129 attached [pid 5124] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5129] set_robust_list(0x555581d606a0, 24) = 0 [pid 5129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5121] +++ exited with 0 +++ [pid 5129] <... prctl resumed>) = 0 [pid 5129] setpgid(0, 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5121, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5129] <... setpgid resumed>) = 0 [pid 5068] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5130 attached [pid 5129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5130] set_robust_list(0x555581d606a0, 24 [pid 5125] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5130] <... set_robust_list resumed>) = 0 [pid 5129] <... openat resumed>) = 3 [pid 5128] <... ioctl resumed>) = 0 [pid 5125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5130 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5129 ./strace-static-x86_64: Process 5131 attached [pid 5130] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5128] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5132 attached [pid 5131] set_robust_list(0x555581d606a0, 24 [pid 5130] <... prctl resumed>) = 0 [pid 5129] write(3, "1000", 4 [pid 5125] <... clone3 resumed> => {parent_tid=[5132]}, 88) = 5132 [pid 5132] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5131] <... set_robust_list resumed>) = 0 [pid 5128] <... futex resumed>) = 1 [pid 5124] <... futex resumed>) = 0 [pid 5125] rt_sigprocmask(SIG_SETMASK, [], [pid 5132] <... rseq resumed>) = 0 [pid 5131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5130] setpgid(0, 0 [pid 5129] <... write resumed>) = 4 [pid 5128] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5124] exit_group(0 [pid 5132] set_robust_list(0x7ff12c97c9a0, 24 [pid 5131] <... prctl resumed>) = 0 [pid 5130] <... setpgid resumed>) = 0 [pid 5129] close(3 [pid 5128] <... futex resumed>) = ? [pid 5125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5124] <... exit_group resumed>) = ? [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5131 [pid 5132] <... set_robust_list resumed>) = 0 [pid 5131] setpgid(0, 0 [pid 5130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5129] <... close resumed>) = 0 [pid 5128] +++ exited with 0 +++ [pid 5125] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] +++ exited with 0 +++ [pid 5132] rt_sigprocmask(SIG_SETMASK, [], [pid 5131] <... setpgid resumed>) = 0 [pid 5130] <... openat resumed>) = 3 [pid 5129] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] <... futex resumed>) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5124, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5132] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5129] <... futex resumed>) = 0 [pid 5131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5132] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5130] write(3, "1000", 4 [pid 5129] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5125] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... restart_syscall resumed>) = 0 [pid 5130] <... write resumed>) = 4 [pid 5129] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5132] <... openat resumed>) = 3 [pid 5131] <... openat resumed>) = 3 [pid 5130] close(3 [pid 5129] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5132] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] write(3, "1000", 4 [pid 5130] <... close resumed>) = 0 [pid 5132] <... futex resumed>) = 1 [pid 5131] <... write resumed>) = 4 [pid 5130] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5125] <... futex resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5133 attached [pid 5132] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5131] close(3 [pid 5130] <... futex resumed>) = 0 [pid 5129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5125] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] set_robust_list(0x555581d606a0, 24 [pid 5132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5131] <... close resumed>) = 0 [pid 5130] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5129] <... mmap resumed>) = 0x7ff12c95c000 [pid 5125] <... futex resumed>) = 0 [pid 5133] <... set_robust_list resumed>) = 0 [pid 5132] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5131] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5131] <... futex resumed>) = 0 [pid 5131] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5130] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5129] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5132] <... ioctl resumed>) = 0 [pid 5131] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5129] <... mprotect resumed>) = 0 [pid 5133] <... prctl resumed>) = 0 [pid 5132] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5130] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5133] setpgid(0, 0 [pid 5132] <... futex resumed>) = 1 [pid 5131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5129] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5125] <... futex resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5133 [pid 5133] <... setpgid resumed>) = 0 [pid 5132] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5130] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5125] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5131] <... mmap resumed>) = 0x7ff12c95c000 [pid 5130] <... mmap resumed>) = 0x7ff12c95c000 [pid 5129] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5125] <... futex resumed>) = 0 [pid 5133] <... openat resumed>) = 3 [pid 5132] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5131] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5130] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5129] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5134 attached [pid 5133] write(3, "1000", 4 [pid 5132] <... ioctl resumed>) = 0 [pid 5131] <... mprotect resumed>) = 0 [pid 5130] <... mprotect resumed>) = 0 [pid 5125] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5134] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5133] <... write resumed>) = 4 [pid 5132] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5130] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5129] <... clone3 resumed> => {parent_tid=[5134]}, 88) = 5134 [pid 5125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5134] <... rseq resumed>) = 0 [pid 5133] close(3 [pid 5132] <... futex resumed>) = 0 [pid 5131] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5134] set_robust_list(0x7ff12c97c9a0, 24 [pid 5133] <... close resumed>) = 0 [pid 5132] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5129] rt_sigprocmask(SIG_SETMASK, [], [pid 5125] exit_group(0 [pid 5131] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5134] <... set_robust_list resumed>) = 0 [pid 5133] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5134] rt_sigprocmask(SIG_SETMASK, [], [pid 5132] <... futex resumed>) = ? [pid 5134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5133] <... futex resumed>) = 0 [pid 5125] <... exit_group resumed>) = ? [pid 5134] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5133] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5132] +++ exited with 0 +++ [pid 5131] <... clone3 resumed> => {parent_tid=[5135]}, 88) = 5135 [pid 5133] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5131] rt_sigprocmask(SIG_SETMASK, [], [pid 5133] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5131] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5135 attached [pid 5130] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5129] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5129] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5136 attached [pid 5135] <... rseq resumed>) = 0 [pid 5134] <... futex resumed>) = 0 [pid 5133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5131] <... futex resumed>) = 0 [pid 5130] <... clone3 resumed> => {parent_tid=[5136]}, 88) = 5136 [pid 5129] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5136] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5135] set_robust_list(0x7ff12c97c9a0, 24 [pid 5134] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5133] <... mmap resumed>) = 0x7ff12c95c000 [pid 5131] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5130] rt_sigprocmask(SIG_SETMASK, [], [pid 5136] <... rseq resumed>) = 0 [pid 5135] <... set_robust_list resumed>) = 0 [pid 5133] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5136] set_robust_list(0x7ff12c97c9a0, 24 [pid 5135] rt_sigprocmask(SIG_SETMASK, [], [pid 5134] <... openat resumed>) = 3 [pid 5133] <... mprotect resumed>) = 0 [pid 5130] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] +++ exited with 0 +++ [pid 5136] <... set_robust_list resumed>) = 0 [pid 5135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5134] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5130] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5125, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5136] rt_sigprocmask(SIG_SETMASK, [], [pid 5135] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5134] <... futex resumed>) = 1 [pid 5133] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5129] <... futex resumed>) = 0 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5135] <... openat resumed>) = 3 [pid 5134] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5133] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5130] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5129] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5137 attached [pid 5136] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5135] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5129] <... futex resumed>) = 0 [pid 5137] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5136] <... openat resumed>) = 3 [pid 5135] <... futex resumed>) = 1 [pid 5134] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5133] <... clone3 resumed> => {parent_tid=[5137]}, 88) = 5137 [pid 5131] <... futex resumed>) = 0 [pid 5129] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5137] <... rseq resumed>) = 0 [pid 5136] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5134] <... ioctl resumed>) = 0 [pid 5133] rt_sigprocmask(SIG_SETMASK, [], [pid 5131] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5138 attached [pid 5137] set_robust_list(0x7ff12c97c9a0, 24 [pid 5136] <... futex resumed>) = 1 [pid 5135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5134] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5131] <... futex resumed>) = 0 [pid 5130] <... futex resumed>) = 0 [pid 5138] set_robust_list(0x555581d606a0, 24 [pid 5137] <... set_robust_list resumed>) = 0 [pid 5136] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5135] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5134] <... futex resumed>) = 1 [pid 5133] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5130] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] <... set_robust_list resumed>) = 0 [pid 5137] rt_sigprocmask(SIG_SETMASK, [], [pid 5136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5135] <... ioctl resumed>) = 0 [pid 5134] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5133] <... futex resumed>) = 0 [pid 5130] <... futex resumed>) = 0 [pid 5129] <... futex resumed>) = 0 [pid 5138] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5136] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5135] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5130] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5129] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5138 [pid 5138] <... prctl resumed>) = 0 [pid 5137] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5136] <... ioctl resumed>) = 0 [pid 5135] <... futex resumed>) = 1 [pid 5134] <... futex resumed>) = 0 [pid 5131] <... futex resumed>) = 0 [pid 5129] <... futex resumed>) = 1 [pid 5138] setpgid(0, 0 [pid 5137] <... openat resumed>) = 3 [pid 5136] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5134] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5131] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5138] <... setpgid resumed>) = 0 [pid 5137] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] <... futex resumed>) = 1 [pid 5135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5134] <... ioctl resumed>) = 0 [pid 5131] <... futex resumed>) = 0 [pid 5130] <... futex resumed>) = 0 [pid 5138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5137] <... futex resumed>) = 1 [pid 5136] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5135] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5134] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] <... futex resumed>) = 0 [pid 5131] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5130] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] <... openat resumed>) = 3 [pid 5137] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5135] <... ioctl resumed>) = 0 [pid 5134] <... futex resumed>) = 1 [pid 5133] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... futex resumed>) = 0 [pid 5129] <... futex resumed>) = 0 [pid 5138] write(3, "1000", 4 [pid 5137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5136] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5135] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5133] <... futex resumed>) = 0 [pid 5130] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5129] exit_group(0 [pid 5138] <... write resumed>) = 4 [pid 5137] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5136] <... ioctl resumed>) = 0 [pid 5135] <... futex resumed>) = 1 [pid 5134] <... futex resumed>) = ? [pid 5133] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5131] <... futex resumed>) = 0 [pid 5129] <... exit_group resumed>) = ? [pid 5138] close(3 [pid 5137] <... ioctl resumed>) = 0 [pid 5136] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5134] +++ exited with 0 +++ [pid 5131] exit_group(0 [pid 5129] +++ exited with 0 +++ [pid 5138] <... close resumed>) = 0 [pid 5137] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] <... futex resumed>) = 1 [pid 5135] <... futex resumed>) = ? [pid 5131] <... exit_group resumed>) = ? [pid 5130] <... futex resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5138] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] <... futex resumed>) = 1 [pid 5136] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5135] +++ exited with 0 +++ [pid 5133] <... futex resumed>) = 0 [pid 5131] +++ exited with 0 +++ [pid 5130] exit_group(0 [pid 5138] <... futex resumed>) = 0 [pid 5137] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5133] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5136] <... futex resumed>) = ? [pid 5133] <... futex resumed>) = 0 [pid 5130] <... exit_group resumed>) = ? [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5131, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5138] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5139 attached [pid 5138] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5137] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5136] +++ exited with 0 +++ [pid 5133] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5130] +++ exited with 0 +++ [pid 5139] set_robust_list(0x555581d606a0, 24 [pid 5138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5137] <... ioctl resumed>) = 0 [pid 5137] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5139] <... set_robust_list resumed>) = 0 [pid 5137] <... futex resumed>) = 1 [pid 5133] <... futex resumed>) = 0 [pid 5139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5137] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5133] exit_group(0 [pid 5139] <... prctl resumed>) = 0 [pid 5138] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5137] <... futex resumed>) = ? [pid 5133] <... exit_group resumed>) = ? [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5139] setpgid(0, 0 [pid 5138] <... mmap resumed>) = 0x7ff12c95c000 [pid 5138] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5139 [pid 5139] <... setpgid resumed>) = 0 [pid 5138] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5140 attached [pid 5140] set_robust_list(0x555581d606a0, 24 [pid 5139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5138] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5137] +++ exited with 0 +++ [pid 5140] <... set_robust_list resumed>) = 0 [pid 5133] +++ exited with 0 +++ [pid 5140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5138] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5138] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5141 attached [pid 5140] <... prctl resumed>) = 0 [pid 5139] <... openat resumed>) = 3 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5141] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5140] setpgid(0, 0 [pid 5139] write(3, "1000", 4 [pid 5066] <... restart_syscall resumed>) = 0 [pid 5141] <... rseq resumed>) = 0 [pid 5140] <... setpgid resumed>) = 0 [pid 5139] <... write resumed>) = 4 [pid 5138] <... clone3 resumed> => {parent_tid=[5141]}, 88) = 5141 ./strace-static-x86_64: Process 5142 attached [pid 5141] set_robust_list(0x7ff12c97c9a0, 24 [pid 5140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5139] close(3 [pid 5138] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5140 [pid 5142] set_robust_list(0x555581d606a0, 24 [pid 5138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5142 ./strace-static-x86_64: Process 5143 attached [pid 5142] <... set_robust_list resumed>) = 0 [pid 5141] <... set_robust_list resumed>) = 0 [pid 5140] <... openat resumed>) = 3 [pid 5139] <... close resumed>) = 0 [pid 5138] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] set_robust_list(0x555581d606a0, 24 [pid 5142] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5141] rt_sigprocmask(SIG_SETMASK, [], [pid 5138] <... futex resumed>) = 0 [pid 5143] <... set_robust_list resumed>) = 0 [pid 5142] <... prctl resumed>) = 0 [pid 5141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5140] write(3, "1000", 4 [pid 5139] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... write resumed>) = 4 [pid 5139] <... futex resumed>) = 0 [pid 5142] setpgid(0, 0 [pid 5143] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5142] <... setpgid resumed>) = 0 [pid 5141] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5140] close(3 [pid 5139] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5138] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5143] <... prctl resumed>) = 0 [pid 5143] setpgid(0, 0 [pid 5142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5140] <... close resumed>) = 0 [pid 5139] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5143] <... setpgid resumed>) = 0 [pid 5141] <... openat resumed>) = 3 [pid 5140] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5143 [pid 5142] <... openat resumed>) = 3 [pid 5143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5142] write(3, "1000", 4 [pid 5141] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... futex resumed>) = 0 [pid 5139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5142] <... write resumed>) = 4 [pid 5139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5141] <... futex resumed>) = 1 [pid 5138] <... futex resumed>) = 0 [pid 5138] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... openat resumed>) = 3 [pid 5140] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5138] <... futex resumed>) = 0 [pid 5143] write(3, "1000", 4 [pid 5142] close(3 [pid 5141] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5140] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5139] <... mmap resumed>) = 0x7ff12c95c000 [pid 5138] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5140] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5143] <... write resumed>) = 4 [pid 5142] <... close resumed>) = 0 [pid 5141] <... ioctl resumed>) = 0 [pid 5140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5139] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5143] close(3 [pid 5142] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5139] <... mprotect resumed>) = 0 [pid 5141] <... futex resumed>) = 1 [pid 5141] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5138] <... futex resumed>) = 0 [pid 5140] <... mmap resumed>) = 0x7ff12c95c000 [pid 5143] <... close resumed>) = 0 [pid 5142] <... futex resumed>) = 0 [pid 5139] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5138] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5141] <... futex resumed>) = 0 [pid 5140] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5139] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5138] <... futex resumed>) = 1 [pid 5141] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5138] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5143] <... futex resumed>) = 0 [pid 5142] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5141] <... ioctl resumed>) = 0 [pid 5140] <... mprotect resumed>) = 0 [pid 5139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5144 attached [pid 5143] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5142] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5141] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5143] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5141] <... futex resumed>) = 1 [pid 5140] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5139] <... clone3 resumed> => {parent_tid=[5144]}, 88) = 5144 [pid 5138] <... futex resumed>) = 0 [pid 5144] <... rseq resumed>) = 0 [pid 5143] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5141] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5140] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5139] rt_sigprocmask(SIG_SETMASK, [], [pid 5138] exit_group(0 [pid 5144] set_robust_list(0x7ff12c97c9a0, 24 [pid 5143] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5142] <... mmap resumed>) = 0x7ff12c95c000 [pid 5141] <... futex resumed>) = ? [pid 5140] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5138] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5145 attached [pid 5144] <... set_robust_list resumed>) = 0 [pid 5143] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5142] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5141] +++ exited with 0 +++ [pid 5139] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] +++ exited with 0 +++ [pid 5145] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5144] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5138, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5139] <... futex resumed>) = 0 [pid 5145] <... rseq resumed>) = 0 [pid 5144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5143] <... mmap resumed>) = 0x7ff12c95c000 [pid 5142] <... mprotect resumed>) = 0 [pid 5140] <... clone3 resumed> => {parent_tid=[5145]}, 88) = 5145 [pid 5145] set_robust_list(0x7ff12c97c9a0, 24 [pid 5143] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5140] rt_sigprocmask(SIG_SETMASK, [], [pid 5145] <... set_robust_list resumed>) = 0 [pid 5145] rt_sigprocmask(SIG_SETMASK, [], [pid 5144] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5143] <... mprotect resumed>) = 0 [pid 5142] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5139] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5144] <... openat resumed>) = 3 [pid 5143] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5142] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5140] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5143] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5142] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5140] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5144] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5146 attached ./strace-static-x86_64: Process 5147 attached [pid 5145] <... openat resumed>) = 3 [pid 5144] <... futex resumed>) = 1 [pid 5143] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5140] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5139] <... futex resumed>) = 0 [pid 5145] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5139] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] set_robust_list(0x555581d606a0, 24 [pid 5145] <... futex resumed>) = 0 [pid 5144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5142] <... clone3 resumed> => {parent_tid=[5146]}, 88) = 5146 [pid 5140] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5148 attached [pid 5147] <... set_robust_list resumed>) = 0 [pid 5146] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5145] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5144] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5142] rt_sigprocmask(SIG_SETMASK, [], [pid 5140] <... futex resumed>) = 0 [pid 5139] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5148] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5146] <... rseq resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5147 [pid 5148] <... rseq resumed>) = 0 [pid 5146] set_robust_list(0x7ff12c97c9a0, 24 [pid 5148] set_robust_list(0x7ff12c97c9a0, 24 [pid 5147] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5146] <... set_robust_list resumed>) = 0 [pid 5145] <... ioctl resumed>) = 0 [pid 5148] <... set_robust_list resumed>) = 0 [pid 5147] <... prctl resumed>) = 0 [pid 5146] rt_sigprocmask(SIG_SETMASK, [], [pid 5144] <... ioctl resumed>) = 0 [pid 5143] <... clone3 resumed> => {parent_tid=[5148]}, 88) = 5148 [pid 5142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5140] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5148] rt_sigprocmask(SIG_SETMASK, [], [pid 5147] setpgid(0, 0 [pid 5146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5145] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] rt_sigprocmask(SIG_SETMASK, [], [pid 5142] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5147] <... setpgid resumed>) = 0 [pid 5146] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5145] <... futex resumed>) = 0 [pid 5144] <... futex resumed>) = 1 [pid 5143] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5142] <... futex resumed>) = 0 [pid 5140] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] <... futex resumed>) = 0 [pid 5148] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5146] <... openat resumed>) = 3 [pid 5145] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5144] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5143] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5140] <... futex resumed>) = 0 [pid 5139] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5147] <... openat resumed>) = 3 [pid 5146] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] <... ioctl resumed>) = 0 [pid 5144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5143] <... futex resumed>) = 0 [pid 5140] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5139] <... futex resumed>) = 0 [pid 5148] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5147] write(3, "1000", 4 [pid 5146] <... futex resumed>) = 1 [pid 5145] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5143] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5142] <... futex resumed>) = 0 [pid 5140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5139] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5148] <... openat resumed>) = 3 [pid 5147] <... write resumed>) = 4 [pid 5146] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5145] <... futex resumed>) = 0 [pid 5144] <... ioctl resumed>) = 0 [pid 5142] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] exit_group(0 [pid 5148] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] close(3 [pid 5146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5144] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] <... futex resumed>) = 0 [pid 5140] <... exit_group resumed>) = ? [pid 5148] <... futex resumed>) = 1 [pid 5147] <... close resumed>) = 0 [pid 5146] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5145] +++ exited with 0 +++ [pid 5144] <... futex resumed>) = 1 [pid 5142] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5139] <... futex resumed>) = 0 [pid 5148] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5146] <... ioctl resumed>) = 0 [pid 5146] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5142] <... futex resumed>) = 0 [pid 5146] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5142] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5142] <... futex resumed>) = 0 [pid 5146] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5142] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5146] <... ioctl resumed>) = 0 [pid 5146] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] +++ exited with 0 +++ [pid 5147] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5143] <... futex resumed>) = 0 [pid 5139] exit_group(0 [pid 5147] <... futex resumed>) = 0 [pid 5144] <... futex resumed>) = ? [pid 5143] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] <... exit_group resumed>) = ? [pid 5147] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5144] +++ exited with 0 +++ [pid 5148] <... futex resumed>) = 0 [pid 5148] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5147] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5146] <... futex resumed>) = 1 [pid 5143] <... futex resumed>) = 1 [pid 5142] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5148] <... ioctl resumed>) = 0 [pid 5147] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5146] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5143] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5142] exit_group(0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5148] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5148] <... futex resumed>) = 0 [pid 5147] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5143] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] ioctl(3, SNDRV_TIMER_IOCTL_START, 0./strace-static-x86_64: Process 5149 attached ) = 0 [pid 5147] <... mmap resumed>) = 0x7ff12c95c000 [pid 5146] <... futex resumed>) = ? [pid 5143] <... futex resumed>) = 0 [pid 5142] <... exit_group resumed>) = ? [pid 5139] +++ exited with 0 +++ [pid 5149] set_robust_list(0x555581d606a0, 24 [pid 5148] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5146] +++ exited with 0 +++ [pid 5143] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5142] +++ exited with 0 +++ [pid 5148] <... futex resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5142, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5148] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5147] <... mprotect resumed>) = 0 [pid 5149] <... set_robust_list resumed>) = 0 [pid 5143] exit_group(0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5147] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5143] <... exit_group resumed>) = ? [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5149] <... prctl resumed>) = 0 [pid 5148] <... futex resumed>) = ? [pid 5147] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5150 attached ./strace-static-x86_64: Process 5151 attached [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5149 [pid 5151] set_robust_list(0x555581d606a0, 24) = 0 [pid 5150] set_robust_list(0x555581d606a0, 24 [pid 5151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5150] <... set_robust_list resumed>) = 0 [pid 5150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5149] setpgid(0, 0 [pid 5148] +++ exited with 0 +++ [pid 5147] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5143] +++ exited with 0 +++ [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5150 ./strace-static-x86_64: Process 5152 attached [pid 5151] <... prctl resumed>) = 0 [pid 5150] <... prctl resumed>) = 0 [pid 5149] <... setpgid resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5151 [pid 5152] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5151] setpgid(0, 0 [pid 5150] setpgid(0, 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5143, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5151] <... setpgid resumed>) = 0 [pid 5150] <... setpgid resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5153 attached [pid 5152] <... rseq resumed>) = 0 [pid 5151] <... openat resumed>) = 3 [pid 5150] <... openat resumed>) = 3 [pid 5149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5147] <... clone3 resumed> => {parent_tid=[5152]}, 88) = 5152 [pid 5151] write(3, "1000", 4) = 4 [pid 5151] close(3 [pid 5150] write(3, "1000", 4 [pid 5151] <... close resumed>) = 0 [pid 5150] <... write resumed>) = 4 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5153 [pid 5151] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] close(3 [pid 5151] <... futex resumed>) = 0 [pid 5150] <... close resumed>) = 0 [pid 5151] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5150] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5150] <... futex resumed>) = 0 [pid 5151] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5150] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5150] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5150] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5151] <... mmap resumed>) = 0x7ff12c95c000 [pid 5150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5151] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5150] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5151] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5150] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5151] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5151] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5150] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5154 attached [pid 5151] <... clone3 resumed> => {parent_tid=[5154]}, 88) = 5154 [pid 5150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5154] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5153] set_robust_list(0x555581d606a0, 24 [pid 5152] set_robust_list(0x7ff12c97c9a0, 24 [pid 5151] rt_sigprocmask(SIG_SETMASK, [], [pid 5147] rt_sigprocmask(SIG_SETMASK, [], [pid 5154] <... rseq resumed>) = 0 [pid 5153] <... set_robust_list resumed>) = 0 [pid 5152] <... set_robust_list resumed>) = 0 [pid 5149] <... openat resumed>) = 3 [pid 5147] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5155 attached [pid 5154] set_robust_list(0x7ff12c97c9a0, 24 [pid 5153] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5152] rt_sigprocmask(SIG_SETMASK, [], [pid 5151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5149] write(3, "1000", 4 [pid 5147] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5154] <... set_robust_list resumed>) = 0 [pid 5153] <... prctl resumed>) = 0 [pid 5152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5151] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] <... write resumed>) = 4 [pid 5147] <... futex resumed>) = 0 [pid 5155] <... rseq resumed>) = 0 [pid 5154] rt_sigprocmask(SIG_SETMASK, [], [pid 5151] <... futex resumed>) = 0 [pid 5150] <... clone3 resumed> => {parent_tid=[5155]}, 88) = 5155 [pid 5147] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] close(3 [pid 5155] set_robust_list(0x7ff12c97c9a0, 24 [pid 5154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5153] setpgid(0, 0 [pid 5152] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5151] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] rt_sigprocmask(SIG_SETMASK, [], [pid 5149] <... close resumed>) = 0 [pid 5155] <... set_robust_list resumed>) = 0 [pid 5154] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5155] rt_sigprocmask(SIG_SETMASK, [], [pid 5154] <... openat resumed>) = 3 [pid 5153] <... setpgid resumed>) = 0 [pid 5152] <... openat resumed>) = 3 [pid 5150] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5149] <... futex resumed>) = 0 [pid 5155] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5154] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5152] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... futex resumed>) = 0 [pid 5149] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5155] <... openat resumed>) = 3 [pid 5154] <... futex resumed>) = 1 [pid 5152] <... futex resumed>) = 1 [pid 5151] <... futex resumed>) = 0 [pid 5150] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5147] <... futex resumed>) = 0 [pid 5155] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5153] <... openat resumed>) = 3 [pid 5152] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5151] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5147] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] <... futex resumed>) = 1 [pid 5154] <... ioctl resumed>) = 0 [pid 5151] <... futex resumed>) = 0 [pid 5150] <... futex resumed>) = 0 [pid 5155] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5154] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5154] <... futex resumed>) = 0 [pid 5152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5150] <... futex resumed>) = 0 [pid 5149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5147] <... futex resumed>) = 0 [pid 5153] write(3, "1000", 4 [pid 5155] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5154] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] <... write resumed>) = 4 [pid 5152] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5151] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5147] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5155] <... ioctl resumed>) = 0 [pid 5154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5153] close(3 [pid 5152] <... ioctl resumed>) = 0 [pid 5151] <... futex resumed>) = 0 [pid 5149] <... mmap resumed>) = 0x7ff12c95c000 [pid 5155] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5153] <... close resumed>) = 0 [pid 5152] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5155] <... futex resumed>) = 1 [pid 5154] <... ioctl resumed>) = 0 [pid 5152] <... futex resumed>) = 1 [pid 5150] <... futex resumed>) = 0 [pid 5147] <... futex resumed>) = 0 [pid 5155] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5154] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5150] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] <... mprotect resumed>) = 0 [pid 5147] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5154] <... futex resumed>) = 1 [pid 5153] <... futex resumed>) = 0 [pid 5152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5151] <... futex resumed>) = 0 [pid 5150] <... futex resumed>) = 0 [pid 5147] <... futex resumed>) = 0 [pid 5155] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5154] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5152] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5151] exit_group(0 [pid 5150] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5147] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5155] <... ioctl resumed>) = 0 [pid 5154] <... futex resumed>) = ? [pid 5153] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5152] <... ioctl resumed>) = 0 [pid 5151] <... exit_group resumed>) = ? [pid 5149] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5155] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] +++ exited with 0 +++ [pid 5153] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5152] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] +++ exited with 0 +++ [pid 5149] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5156 attached [pid 5155] <... futex resumed>) = 1 [pid 5153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5152] <... futex resumed>) = 1 [pid 5150] <... futex resumed>) = 0 [pid 5147] <... futex resumed>) = 0 [pid 5156] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5147] exit_group(0 [pid 5156] <... rseq resumed>) = 0 [pid 5155] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] <... mmap resumed>) = 0x7ff12c95c000 [pid 5150] exit_group(0 [pid 5147] <... exit_group resumed>) = ? [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5151, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5156] set_robust_list(0x7ff12c97c9a0, 24 [pid 5155] <... futex resumed>) = ? [pid 5153] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5150] <... exit_group resumed>) = ? [pid 5149] <... clone3 resumed> => {parent_tid=[5156]}, 88) = 5156 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5156] <... set_robust_list resumed>) = 0 [pid 5155] +++ exited with 0 +++ [pid 5153] <... mprotect resumed>) = 0 [pid 5150] +++ exited with 0 +++ [pid 5068] <... restart_syscall resumed>) = 0 [pid 5156] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5156] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5149] rt_sigprocmask(SIG_SETMASK, [], [pid 5153] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5152] +++ exited with 0 +++ [pid 5147] +++ exited with 0 +++ [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5150, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5153] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5147, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5153] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5149] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5158 attached [pid 5156] <... futex resumed>) = 0 [pid 5153] <... clone3 resumed> => {parent_tid=[5158]}, 88) = 5158 [pid 5149] <... futex resumed>) = 1 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5157 [pid 5158] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5156] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5158] <... rseq resumed>) = 0 ./strace-static-x86_64: Process 5157 attached [pid 5158] set_robust_list(0x7ff12c97c9a0, 24 [pid 5156] <... openat resumed>) = 3 [pid 5153] rt_sigprocmask(SIG_SETMASK, [], [pid 5149] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5158] <... set_robust_list resumed>) = 0 [pid 5157] set_robust_list(0x555581d606a0, 24 [pid 5153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5158] rt_sigprocmask(SIG_SETMASK, [], [pid 5153] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... set_robust_list resumed>) = 0 [pid 5153] <... futex resumed>) = 0 [pid 5158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5156] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5156] <... futex resumed>) = 1 [pid 5156] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5160 attached ./strace-static-x86_64: Process 5159 attached [pid 5160] set_robust_list(0x555581d606a0, 24 [pid 5158] <... openat resumed>) = 3 [pid 5160] <... set_robust_list resumed>) = 0 [pid 5159] set_robust_list(0x555581d606a0, 24 [pid 5158] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5158] <... futex resumed>) = 0 [pid 5159] <... set_robust_list resumed>) = 0 [pid 5158] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5160] <... prctl resumed>) = 0 [pid 5159] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5160 [pid 5160] setpgid(0, 0) = 0 [pid 5159] <... prctl resumed>) = 0 [pid 5160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5159] setpgid(0, 0) = 0 [pid 5159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5160] <... openat resumed>) = 3 [pid 5159] <... openat resumed>) = 3 [pid 5157] <... prctl resumed>) = 0 [pid 5153] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] <... futex resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5159 [pid 5157] setpgid(0, 0 [pid 5153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5149] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... setpgid resumed>) = 0 [pid 5156] <... futex resumed>) = 0 [pid 5153] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] <... futex resumed>) = 1 [pid 5160] write(3, "1000", 4 [pid 5159] write(3, "1000", 4 [pid 5158] <... futex resumed>) = 0 [pid 5156] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5153] <... futex resumed>) = 1 [pid 5149] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5160] <... write resumed>) = 4 [pid 5159] <... write resumed>) = 4 [pid 5158] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5156] <... ioctl resumed>) = 0 [pid 5153] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5160] close(3 [pid 5159] close(3 [pid 5158] <... ioctl resumed>) = 0 [pid 5156] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] <... close resumed>) = 0 [pid 5159] <... close resumed>) = 0 [pid 5157] <... openat resumed>) = 3 [pid 5156] <... futex resumed>) = 1 [pid 5149] <... futex resumed>) = 0 [pid 5160] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] <... futex resumed>) = 0 [pid 5159] <... futex resumed>) = 0 [pid 5158] <... futex resumed>) = 1 [pid 5157] write(3, "1000", 4 [pid 5156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5153] <... futex resumed>) = 0 [pid 5149] <... futex resumed>) = 0 [pid 5160] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5159] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5158] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5156] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5153] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5160] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5159] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5157] <... write resumed>) = 4 [pid 5156] <... ioctl resumed>) = 0 [pid 5153] <... futex resumed>) = 0 [pid 5160] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5159] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5158] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5157] close(3 [pid 5156] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5159] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5158] <... ioctl resumed>) = 0 [pid 5156] <... futex resumed>) = 1 [pid 5149] <... futex resumed>) = 0 [pid 5160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5159] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5158] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... close resumed>) = 0 [pid 5156] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5160] <... mmap resumed>) = 0x7ff12c95c000 [pid 5159] <... mmap resumed>) = 0x7ff12c95c000 [pid 5158] <... futex resumed>) = 1 [pid 5157] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] <... futex resumed>) = 0 [pid 5149] exit_group(0 [pid 5160] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5159] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5158] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5156] <... futex resumed>) = ? [pid 5153] exit_group(0 [pid 5149] <... exit_group resumed>) = ? [pid 5160] <... mprotect resumed>) = 0 [pid 5159] <... mprotect resumed>) = 0 [pid 5158] <... futex resumed>) = ? [pid 5157] <... futex resumed>) = 0 [pid 5156] +++ exited with 0 +++ [pid 5153] <... exit_group resumed>) = ? [pid 5158] +++ exited with 0 +++ [pid 5159] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5160] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5159] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5149] +++ exited with 0 +++ [pid 5157] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5160] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5159] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5160] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5070] restart_syscall(<... resuming interrupted clone ...>) = 0 ./strace-static-x86_64: Process 5162 attached [pid 5160] <... clone3 resumed> => {parent_tid=[5162]}, 88) = 5162 [pid 5159] <... clone3 resumed> => {parent_tid=[5161]}, 88) = 5161 [pid 5162] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5160] rt_sigprocmask(SIG_SETMASK, [], [pid 5159] rt_sigprocmask(SIG_SETMASK, [], [pid 5153] +++ exited with 0 +++ ./strace-static-x86_64: Process 5161 attached [pid 5162] <... rseq resumed>) = 0 [pid 5160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5159] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5157] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5162] set_robust_list(0x7ff12c97c9a0, 24 [pid 5161] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5160] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5153, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5163 attached [pid 5162] <... set_robust_list resumed>) = 0 [pid 5161] <... rseq resumed>) = 0 [pid 5160] <... futex resumed>) = 0 [pid 5159] <... futex resumed>) = 0 [pid 5157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5162] rt_sigprocmask(SIG_SETMASK, [], [pid 5161] set_robust_list(0x7ff12c97c9a0, 24 [pid 5163] set_robust_list(0x555581d606a0, 24 [pid 5157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5160] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5159] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5163] <... set_robust_list resumed>) = 0 [pid 5161] <... set_robust_list resumed>) = 0 [pid 5157] <... mmap resumed>) = 0x7ff12c95c000 [pid 5161] rt_sigprocmask(SIG_SETMASK, [], [pid 5162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5157] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5163] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5162] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5163] <... prctl resumed>) = 0 [pid 5162] <... openat resumed>) = 3 [pid 5161] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5157] <... mprotect resumed>) = 0 [pid 5163] setpgid(0, 0 [pid 5162] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5163 [pid 5163] <... setpgid resumed>) = 0 [pid 5162] <... futex resumed>) = 1 [pid 5161] <... openat resumed>) = 3 [pid 5160] <... futex resumed>) = 0 [pid 5157] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5162] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5161] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5161] <... futex resumed>) = 1 [pid 5160] <... futex resumed>) = 0 [pid 5159] <... futex resumed>) = 0 [pid 5157] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5163] <... openat resumed>) = 3 [pid 5162] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5161] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5160] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5162] <... ioctl resumed>) = 0 [pid 5159] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5164 attached [pid 5163] write(3, "1000", 4 [pid 5162] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5161] <... futex resumed>) = 0 [pid 5159] <... futex resumed>) = 1 [pid 5164] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5163] <... write resumed>) = 4 [pid 5162] <... futex resumed>) = 1 [pid 5161] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5160] <... futex resumed>) = 0 [pid 5159] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5157] <... clone3 resumed> => {parent_tid=[5164]}, 88) = 5164 ./strace-static-x86_64: Process 5165 attached [pid 5164] <... rseq resumed>) = 0 [pid 5163] close(3 [pid 5162] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5161] <... ioctl resumed>) = 0 [pid 5160] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] rt_sigprocmask(SIG_SETMASK, [], [pid 5165] set_robust_list(0x555581d606a0, 24 [pid 5164] set_robust_list(0x7ff12c97c9a0, 24 [pid 5163] <... close resumed>) = 0 [pid 5162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5161] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] <... futex resumed>) = 0 [pid 5157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5165 [pid 5162] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5161] <... futex resumed>) = 1 [pid 5163] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5159] <... futex resumed>) = 0 [pid 5164] <... set_robust_list resumed>) = 0 [pid 5157] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] <... set_robust_list resumed>) = 0 [pid 5163] <... futex resumed>) = 0 [pid 5162] <... ioctl resumed>) = 0 [pid 5161] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5159] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... futex resumed>) = 0 [pid 5164] rt_sigprocmask(SIG_SETMASK, [], [pid 5163] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5162] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5159] <... futex resumed>) = 0 [pid 5157] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5162] <... futex resumed>) = 1 [pid 5160] <... futex resumed>) = 0 [pid 5159] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5162] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5160] exit_group(0 [pid 5162] <... futex resumed>) = ? [pid 5160] <... exit_group resumed>) = ? [pid 5165] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5163] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5162] +++ exited with 0 +++ [pid 5161] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5165] <... prctl resumed>) = 0 [pid 5164] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5163] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5161] <... ioctl resumed>) = 0 [pid 5160] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5166 attached [pid 5165] setpgid(0, 0 [pid 5164] <... openat resumed>) = 3 [pid 5163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5161] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5161] <... futex resumed>) = 1 [pid 5159] <... futex resumed>) = 0 [pid 5164] <... futex resumed>) = 1 [pid 5161] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5159] exit_group(0 [pid 5164] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5163] <... mmap resumed>) = 0x7ff12c95c000 [pid 5157] <... futex resumed>) = 0 [pid 5166] set_robust_list(0x555581d606a0, 24 [pid 5165] <... setpgid resumed>) = 0 [pid 5163] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5161] <... futex resumed>) = ? [pid 5159] <... exit_group resumed>) = ? [pid 5157] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... set_robust_list resumed>) = 0 [pid 5165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5164] <... futex resumed>) = 0 [pid 5163] <... mprotect resumed>) = 0 [pid 5161] +++ exited with 0 +++ [pid 5159] +++ exited with 0 +++ [pid 5157] <... futex resumed>) = 1 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5166 [pid 5164] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5157] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5164] <... ioctl resumed>) = 0 [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5166] <... prctl resumed>) = 0 [pid 5165] <... openat resumed>) = 3 [pid 5164] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] <... restart_syscall resumed>) = 0 [pid 5166] setpgid(0, 0 [pid 5165] write(3, "1000", 4 [pid 5164] <... futex resumed>) = 1 [pid 5157] <... futex resumed>) = 0 [pid 5166] <... setpgid resumed>) = 0 [pid 5165] <... write resumed>) = 4 [pid 5164] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5163] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5157] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5165] close(3 [pid 5164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5163] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5157] <... futex resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5166] <... openat resumed>) = 3 [pid 5165] <... close resumed>) = 0 [pid 5164] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5157] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5167 attached ./strace-static-x86_64: Process 5168 attached [pid 5165] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] <... ioctl resumed>) = 0 [pid 5167] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5166] write(3, "1000", 4 [pid 5167] <... rseq resumed>) = 0 [pid 5167] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5166] <... write resumed>) = 4 [pid 5167] rt_sigprocmask(SIG_SETMASK, [], [pid 5166] close(3 [pid 5167] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5166] <... close resumed>) = 0 [pid 5167] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5166] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5168 [pid 5166] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5166] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5168] set_robust_list(0x555581d606a0, 24 [pid 5165] <... futex resumed>) = 0 [pid 5164] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] <... clone3 resumed> => {parent_tid=[5167]}, 88) = 5167 [pid 5165] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5164] <... futex resumed>) = 1 [pid 5157] <... futex resumed>) = 0 [pid 5165] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5164] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5157] exit_group(0 [pid 5165] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5164] <... futex resumed>) = ? [pid 5157] <... exit_group resumed>) = ? [pid 5165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5168] <... set_robust_list resumed>) = 0 [pid 5166] <... mprotect resumed>) = 0 [pid 5163] rt_sigprocmask(SIG_SETMASK, [], [pid 5168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5168] <... prctl resumed>) = 0 [pid 5166] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5165] <... mmap resumed>) = 0x7ff12c95c000 [pid 5163] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] setpgid(0, 0 [pid 5167] <... futex resumed>) = 0 [pid 5166] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5165] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5163] <... futex resumed>) = 1 [pid 5168] <... setpgid resumed>) = 0 [pid 5164] +++ exited with 0 +++ [pid 5157] +++ exited with 0 +++ [pid 5168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5166] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5165] <... mprotect resumed>) = 0 [pid 5163] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5168] <... openat resumed>) = 3 [pid 5167] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5157, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5169 attached [pid 5167] <... openat resumed>) = 3 [pid 5166] <... clone3 resumed> => {parent_tid=[5169]}, 88) = 5169 [pid 5165] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5169] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5168] write(3, "1000", 4 [pid 5167] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] rt_sigprocmask(SIG_SETMASK, [], [pid 5168] <... write resumed>) = 4 [pid 5167] <... futex resumed>) = 1 [pid 5166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5163] <... futex resumed>) = 0 [pid 5168] close(3 [pid 5167] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... close resumed>) = 0 [pid 5167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5166] <... futex resumed>) = 0 [pid 5163] <... futex resumed>) = 0 [pid 5168] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5166] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5163] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5169] <... rseq resumed>) = 0 [pid 5165] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5170 attached [pid 5168] <... futex resumed>) = 0 [pid 5167] <... ioctl resumed>) = 0 [pid 5168] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5170] set_robust_list(0x555581d606a0, 24 [pid 5169] set_robust_list(0x7ff12c97c9a0, 24 [pid 5168] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5167] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5170] <... set_robust_list resumed>) = 0 [pid 5169] <... set_robust_list resumed>) = 0 [pid 5168] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5167] <... futex resumed>) = 1 [pid 5163] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5171 attached [pid 5170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5169] rt_sigprocmask(SIG_SETMASK, [], [pid 5168] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5167] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5163] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5170] <... prctl resumed>) = 0 [pid 5169] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5163] <... futex resumed>) = 0 [pid 5171] <... rseq resumed>) = 0 [pid 5169] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5168] <... mmap resumed>) = 0x7ff12c95c000 [pid 5167] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5165] <... clone3 resumed> => {parent_tid=[5171]}, 88) = 5171 [pid 5163] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5170 [pid 5171] set_robust_list(0x7ff12c97c9a0, 24 [pid 5169] <... openat resumed>) = 3 [pid 5168] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5167] <... ioctl resumed>) = 0 [pid 5165] rt_sigprocmask(SIG_SETMASK, [], [pid 5171] <... set_robust_list resumed>) = 0 [pid 5170] setpgid(0, 0 [pid 5169] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... mprotect resumed>) = 0 [pid 5167] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5171] rt_sigprocmask(SIG_SETMASK, [], [pid 5170] <... setpgid resumed>) = 0 [pid 5169] <... futex resumed>) = 1 [pid 5168] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5167] <... futex resumed>) = 1 [pid 5166] <... futex resumed>) = 0 [pid 5165] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] <... futex resumed>) = 0 [pid 5171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5169] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5167] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] <... futex resumed>) = 0 [pid 5163] exit_group(0 [pid 5171] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5168] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5167] <... futex resumed>) = ? [pid 5166] <... futex resumed>) = 0 [pid 5165] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5163] <... exit_group resumed>) = ? [pid 5171] <... openat resumed>) = 3 [pid 5170] <... openat resumed>) = 3 [pid 5169] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5168] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5167] +++ exited with 0 +++ [pid 5166] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5169] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5172 attached [pid 5171] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] write(3, "1000", 4 [pid 5169] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... clone3 resumed> => {parent_tid=[5172]}, 88) = 5172 [pid 5163] +++ exited with 0 +++ [pid 5172] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5171] <... futex resumed>) = 1 [pid 5170] <... write resumed>) = 4 [pid 5169] <... futex resumed>) = 1 [pid 5168] rt_sigprocmask(SIG_SETMASK, [], [pid 5166] <... futex resumed>) = 0 [pid 5165] <... futex resumed>) = 0 [pid 5172] <... rseq resumed>) = 0 [pid 5171] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5170] close(3 [pid 5169] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5168] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5166] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] set_robust_list(0x7ff12c97c9a0, 24 [pid 5171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5170] <... close resumed>) = 0 [pid 5169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5168] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... futex resumed>) = 0 [pid 5165] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... set_robust_list resumed>) = 0 [pid 5171] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5172] rt_sigprocmask(SIG_SETMASK, [], [pid 5171] <... ioctl resumed>) = 0 [pid 5169] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5170] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... futex resumed>) = 0 [pid 5166] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5165] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5163, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5171] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] <... futex resumed>) = 0 [pid 5169] <... ioctl resumed>) = 0 [pid 5168] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5165] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5172] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5171] <... futex resumed>) = 0 [pid 5170] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5169] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... openat resumed>) = 3 [pid 5171] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5170] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5169] <... futex resumed>) = 1 [pid 5166] <... futex resumed>) = 0 [pid 5165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5166] exit_group(0 [pid 5172] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... exit_group resumed>) = ? [pid 5172] <... futex resumed>) = 1 [pid 5168] <... futex resumed>) = 0 [pid 5172] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5170] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5165] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5168] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5168] <... futex resumed>) = 0 [pid 5172] <... ioctl resumed>) = 0 [pid 5168] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5172] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5168] <... futex resumed>) = 0 [pid 5172] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5168] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5168] <... futex resumed>) = 0 [pid 5172] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5168] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5172] <... ioctl resumed>) = 0 [pid 5169] +++ exited with 0 +++ [pid 5166] +++ exited with 0 +++ [pid 5172] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... futex resumed>) = 0 [pid 5165] <... futex resumed>) = 1 [pid 5170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5172] <... futex resumed>) = 1 [pid 5171] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5168] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5172] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5171] <... ioctl resumed>) = 0 [pid 5170] <... mmap resumed>) = 0x7ff12c95c000 [pid 5168] exit_group(0 [pid 5165] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5172] <... futex resumed>) = ? [pid 5171] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... exit_group resumed>) = ? [pid 5172] +++ exited with 0 +++ [pid 5171] <... futex resumed>) = 0 [pid 5170] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5168] +++ exited with 0 +++ [pid 5165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5173 attached [pid 5171] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5170] <... mprotect resumed>) = 0 [pid 5165] exit_group(0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5173] set_robust_list(0x555581d606a0, 24 [pid 5171] <... futex resumed>) = ? [pid 5165] <... exit_group resumed>) = ? [pid 5173] <... set_robust_list resumed>) = 0 [pid 5171] +++ exited with 0 +++ [pid 5173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5173] <... prctl resumed>) = 0 [pid 5173] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5174 attached [pid 5170] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5165] +++ exited with 0 +++ [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5173 [pid 5174] set_robust_list(0x555581d606a0, 24) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5174 [pid 5174] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5170] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5165, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5174] <... prctl resumed>) = 0 [pid 5174] setpgid(0, 0 [pid 5170] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5175 attached [pid 5174] <... setpgid resumed>) = 0 [pid 5175] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5173] <... openat resumed>) = 3 [pid 5170] <... clone3 resumed> => {parent_tid=[5175]}, 88) = 5175 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5175] <... rseq resumed>) = 0 [pid 5174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5175] set_robust_list(0x7ff12c97c9a0, 24) = 0 ./strace-static-x86_64: Process 5176 attached ./strace-static-x86_64: Process 5177 attached [pid 5175] rt_sigprocmask(SIG_SETMASK, [], [pid 5174] <... openat resumed>) = 3 [pid 5173] write(3, "1000", 4 [pid 5170] rt_sigprocmask(SIG_SETMASK, [], [pid 5173] <... write resumed>) = 4 [pid 5170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5177] set_robust_list(0x555581d606a0, 24 [pid 5176] set_robust_list(0x555581d606a0, 24 [pid 5175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5174] write(3, "1000", 4 [pid 5175] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5170] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] <... write resumed>) = 4 [pid 5176] <... set_robust_list resumed>) = 0 [pid 5177] <... set_robust_list resumed>) = 0 [pid 5175] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5174] close(3 [pid 5177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5175] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5173] close(3 [pid 5170] <... futex resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5177 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5176 [pid 5177] <... prctl resumed>) = 0 [pid 5176] <... prctl resumed>) = 0 [pid 5175] <... openat resumed>) = 3 [pid 5174] <... close resumed>) = 0 [pid 5173] <... close resumed>) = 0 [pid 5170] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5177] setpgid(0, 0 [pid 5176] setpgid(0, 0 [pid 5175] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] <... setpgid resumed>) = 0 [pid 5176] <... setpgid resumed>) = 0 [pid 5175] <... futex resumed>) = 0 [pid 5174] <... futex resumed>) = 0 [pid 5173] <... futex resumed>) = 0 [pid 5170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5173] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5170] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5174] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5175] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5173] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5170] <... futex resumed>) = 0 [pid 5176] <... openat resumed>) = 3 [pid 5175] <... ioctl resumed>) = 0 [pid 5174] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5173] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5170] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5177] <... openat resumed>) = 3 [pid 5176] write(3, "1000", 4 [pid 5175] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5177] write(3, "1000", 4 [pid 5176] <... write resumed>) = 4 [pid 5175] <... futex resumed>) = 0 [pid 5173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5170] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] <... write resumed>) = 4 [pid 5176] close(3 [pid 5175] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5173] <... mmap resumed>) = 0x7ff12c95c000 [pid 5170] <... futex resumed>) = 0 [pid 5177] close(3 [pid 5176] <... close resumed>) = 0 [pid 5175] <... ioctl resumed>) = 0 [pid 5174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5173] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5170] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5177] <... close resumed>) = 0 [pid 5176] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] <... mmap resumed>) = 0x7ff12c95c000 [pid 5173] <... mprotect resumed>) = 0 [pid 5170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5177] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] <... futex resumed>) = 0 [pid 5175] <... futex resumed>) = 0 [pid 5177] <... futex resumed>) = 0 [pid 5176] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5174] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5173] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5170] exit_group(0 [pid 5177] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5176] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5175] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5174] <... mprotect resumed>) = 0 [pid 5173] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5177] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5176] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5175] <... futex resumed>) = ? [pid 5173] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5170] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5178 attached [pid 5177] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5175] +++ exited with 0 +++ [pid 5174] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5170] +++ exited with 0 +++ [pid 5178] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5178] <... rseq resumed>) = 0 [pid 5177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5174] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5173] <... clone3 resumed> => {parent_tid=[5178]}, 88) = 5178 [pid 5176] <... mmap resumed>) = 0x7ff12c95c000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5170, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5178] set_robust_list(0x7ff12c97c9a0, 24 [pid 5177] <... mmap resumed>) = 0x7ff12c95c000 [pid 5173] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5173] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5173] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5174] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5178] <... set_robust_list resumed>) = 0 [pid 5177] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5176] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5178] rt_sigprocmask(SIG_SETMASK, [], [pid 5177] <... mprotect resumed>) = 0 [pid 5176] <... mprotect resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5178] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5179 attached [pid 5178] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5177] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5176] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5177] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5176] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5174] <... clone3 resumed> => {parent_tid=[5179]}, 88) = 5179 [pid 5178] <... openat resumed>) = 3 [pid 5177] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5176] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5174] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5180 attached [pid 5179] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5178] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5179] <... rseq resumed>) = 0 [pid 5174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5178] <... futex resumed>) = 1 [pid 5177] <... clone3 resumed> => {parent_tid=[5180]}, 88) = 5180 [pid 5176] <... clone3 resumed> => {parent_tid=[5182]}, 88) = 5182 [pid 5174] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5182 attached [pid 5180] <... rseq resumed>) = 0 [pid 5179] set_robust_list(0x7ff12c97c9a0, 24 [pid 5178] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5177] rt_sigprocmask(SIG_SETMASK, [], [pid 5176] rt_sigprocmask(SIG_SETMASK, [], [pid 5174] <... futex resumed>) = 0 [pid 5173] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5181 attached [pid 5182] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5180] set_robust_list(0x7ff12c97c9a0, 24 [pid 5179] <... set_robust_list resumed>) = 0 [pid 5177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5174] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5173] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] set_robust_list(0x555581d606a0, 24 [pid 5182] <... rseq resumed>) = 0 [pid 5180] <... set_robust_list resumed>) = 0 [pid 5179] rt_sigprocmask(SIG_SETMASK, [], [pid 5178] <... futex resumed>) = 0 [pid 5177] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] <... futex resumed>) = 1 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5181 [pid 5181] <... set_robust_list resumed>) = 0 [pid 5182] set_robust_list(0x7ff12c97c9a0, 24 [pid 5180] rt_sigprocmask(SIG_SETMASK, [], [pid 5179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5178] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5177] <... futex resumed>) = 0 [pid 5176] <... futex resumed>) = 0 [pid 5173] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5181] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5182] <... set_robust_list resumed>) = 0 [pid 5180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5179] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5178] <... ioctl resumed>) = 0 [pid 5177] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5176] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5181] <... prctl resumed>) = 0 [pid 5182] rt_sigprocmask(SIG_SETMASK, [], [pid 5180] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5179] <... openat resumed>) = 3 [pid 5178] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] setpgid(0, 0 [pid 5182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5178] <... futex resumed>) = 1 [pid 5173] <... futex resumed>) = 0 [pid 5181] <... setpgid resumed>) = 0 [pid 5182] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5180] <... openat resumed>) = 3 [pid 5179] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5173] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5179] <... futex resumed>) = 1 [pid 5178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5174] <... futex resumed>) = 0 [pid 5173] <... futex resumed>) = 0 [pid 5181] <... openat resumed>) = 3 [pid 5182] <... openat resumed>) = 3 [pid 5180] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5178] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5174] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5180] <... futex resumed>) = 1 [pid 5179] <... ioctl resumed>) = 0 [pid 5174] <... futex resumed>) = 0 [pid 5182] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5179] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5181] write(3, "1000", 4 [pid 5178] <... ioctl resumed>) = 0 [pid 5177] <... futex resumed>) = 0 [pid 5174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5181] <... write resumed>) = 4 [pid 5178] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] close(3 [pid 5182] <... futex resumed>) = 1 [pid 5180] <... futex resumed>) = 0 [pid 5179] <... futex resumed>) = 0 [pid 5178] <... futex resumed>) = 1 [pid 5177] <... futex resumed>) = 1 [pid 5176] <... futex resumed>) = 0 [pid 5174] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] <... futex resumed>) = 0 [pid 5181] <... close resumed>) = 0 [pid 5182] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5180] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5179] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5178] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5177] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5176] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] <... futex resumed>) = 0 [pid 5173] exit_group(0 [pid 5181] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5180] <... ioctl resumed>) = 0 [pid 5179] <... ioctl resumed>) = 0 [pid 5178] <... futex resumed>) = ? [pid 5176] <... futex resumed>) = 0 [pid 5174] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5173] <... exit_group resumed>) = ? [pid 5181] <... futex resumed>) = 0 [pid 5182] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5180] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] +++ exited with 0 +++ [pid 5176] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5181] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5182] <... ioctl resumed>) = 0 [pid 5180] <... futex resumed>) = 1 [pid 5179] <... futex resumed>) = 0 [pid 5177] <... futex resumed>) = 0 [pid 5174] exit_group(0 [pid 5173] +++ exited with 0 +++ [pid 5181] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5182] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5177] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] <... exit_group resumed>) = ? [pid 5181] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5179] +++ exited with 0 +++ [pid 5177] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5177] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5174] +++ exited with 0 +++ [pid 5181] <... mmap resumed>) = 0x7ff12c95c000 ./strace-static-x86_64: Process 5183 attached [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5174, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5181] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5183] set_robust_list(0x555581d606a0, 24) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5184 attached [pid 5183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5182] <... futex resumed>) = 1 [pid 5180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5176] <... futex resumed>) = 0 [pid 5182] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5180] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5184] set_robust_list(0x555581d606a0, 24 [pid 5182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5176] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] <... ioctl resumed>) = 0 [pid 5184] <... set_robust_list resumed>) = 0 [pid 5182] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5180] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] <... futex resumed>) = 0 [pid 5183] <... prctl resumed>) = 0 [pid 5181] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5182] <... ioctl resumed>) = 0 [pid 5180] <... futex resumed>) = 1 [pid 5177] <... futex resumed>) = 0 [pid 5176] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5183 [pid 5184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5183] setpgid(0, 0 [pid 5181] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5182] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5177] exit_group(0 [pid 5184] <... prctl resumed>) = 0 [pid 5176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5183] <... setpgid resumed>) = 0 [pid 5181] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5182] <... futex resumed>) = 0 [pid 5184] setpgid(0, 0 [pid 5180] <... futex resumed>) = ? [pid 5177] <... exit_group resumed>) = ? [pid 5176] exit_group(0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5184 ./strace-static-x86_64: Process 5185 attached [pid 5184] <... setpgid resumed>) = 0 [pid 5183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5180] +++ exited with 0 +++ [pid 5177] +++ exited with 0 +++ [pid 5176] <... exit_group resumed>) = ? [pid 5185] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5183] <... openat resumed>) = 3 [pid 5181] <... clone3 resumed> => {parent_tid=[5185]}, 88) = 5185 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5177, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5181] rt_sigprocmask(SIG_SETMASK, [], [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5183] write(3, "1000", 4 [pid 5181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] <... restart_syscall resumed>) = 0 [pid 5183] <... write resumed>) = 4 [pid 5181] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] close(3 [pid 5181] <... futex resumed>) = 0 [pid 5183] <... close resumed>) = 0 [pid 5181] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5185] <... rseq resumed>) = 0 [pid 5184] <... openat resumed>) = 3 [pid 5183] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] +++ exited with 0 +++ [pid 5176] +++ exited with 0 +++ [pid 5185] set_robust_list(0x7ff12c97c9a0, 24 [pid 5183] <... futex resumed>) = 0 [pid 5185] <... set_robust_list resumed>) = 0 [pid 5185] rt_sigprocmask(SIG_SETMASK, [], [pid 5184] write(3, "1000", 4./strace-static-x86_64: Process 5186 attached [pid 5185] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5183] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5186 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5176, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5186] set_robust_list(0x555581d606a0, 24 [pid 5185] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5184] <... write resumed>) = 4 [pid 5183] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5186] <... set_robust_list resumed>) = 0 [pid 5185] <... openat resumed>) = 3 [pid 5184] close(3 [pid 5183] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5187 attached [pid 5186] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5185] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] <... close resumed>) = 0 [pid 5183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5187] set_robust_list(0x555581d606a0, 24 [pid 5185] <... futex resumed>) = 1 [pid 5184] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5181] <... futex resumed>) = 0 [pid 5187] <... set_robust_list resumed>) = 0 [pid 5185] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5184] <... futex resumed>) = 0 [pid 5181] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] <... mmap resumed>) = 0x7ff12c95c000 [pid 5185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5184] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5181] <... futex resumed>) = 0 [pid 5185] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5183] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5184] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5181] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5185] <... ioctl resumed>) = 0 [pid 5187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5186] <... prctl resumed>) = 0 [pid 5185] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5183] <... mprotect resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5187 [pid 5186] setpgid(0, 0) = 0 [pid 5186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5186] write(3, "1000", 4) = 4 [pid 5186] close(3) = 0 [pid 5186] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5186] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5186] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5187] <... prctl resumed>) = 0 [pid 5185] <... futex resumed>) = 1 [pid 5184] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5183] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5181] <... futex resumed>) = 0 [pid 5187] setpgid(0, 0 [pid 5186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5185] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5183] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5181] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... setpgid resumed>) = 0 [pid 5186] <... mmap resumed>) = 0x7ff12c95c000 [pid 5185] <... ioctl resumed>) = 0 [pid 5184] <... mmap resumed>) = 0x7ff12c95c000 [pid 5183] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5181] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5188 attached [pid 5187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5186] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5185] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5181] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5188] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5187] <... openat resumed>) = 3 [pid 5186] <... mprotect resumed>) = 0 [pid 5185] <... futex resumed>) = 0 [pid 5184] <... mprotect resumed>) = 0 [pid 5183] <... clone3 resumed> => {parent_tid=[5188]}, 88) = 5188 [pid 5181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5188] <... rseq resumed>) = 0 [pid 5186] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5185] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5184] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5183] rt_sigprocmask(SIG_SETMASK, [], [pid 5181] exit_group(0 [pid 5188] set_robust_list(0x7ff12c97c9a0, 24 [pid 5187] write(3, "1000", 4 [pid 5186] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5185] <... futex resumed>) = ? [pid 5184] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5181] <... exit_group resumed>) = ? [pid 5188] <... set_robust_list resumed>) = 0 [pid 5187] <... write resumed>) = 4 [pid 5186] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5185] +++ exited with 0 +++ [pid 5184] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5187] close(3./strace-static-x86_64: Process 5189 attached ) = 0 [pid 5186] <... clone3 resumed> => {parent_tid=[5189]}, 88) = 5189 [pid 5189] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 5187] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] rt_sigprocmask(SIG_SETMASK, [], [pid 5189] set_robust_list(0x7ff12c97c9a0, 24 [pid 5187] <... futex resumed>) = 0 [pid 5186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5189] <... set_robust_list resumed>) = 0 [pid 5187] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5186] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] +++ exited with 0 +++ ./strace-static-x86_64: Process 5190 attached [pid 5189] rt_sigprocmask(SIG_SETMASK, [], [pid 5188] rt_sigprocmask(SIG_SETMASK, [], [pid 5183] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5187] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5186] <... futex resumed>) = 0 [pid 5184] <... clone3 resumed> => {parent_tid=[5190]}, 88) = 5190 [pid 5183] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5181, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5190] <... rseq resumed>) = 0 [pid 5189] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5188] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5187] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5186] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] rt_sigprocmask(SIG_SETMASK, [], [pid 5190] set_robust_list(0x7ff12c97c9a0, 24 [pid 5183] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5188] <... openat resumed>) = 3 [pid 5184] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5190] <... set_robust_list resumed>) = 0 [pid 5189] <... openat resumed>) = 3 [pid 5188] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5184] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] rt_sigprocmask(SIG_SETMASK, [], [pid 5189] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] <... futex resumed>) = 1 [pid 5187] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5184] <... futex resumed>) = 0 [pid 5183] <... futex resumed>) = 0 [pid 5190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5189] <... futex resumed>) = 1 [pid 5188] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5187] <... mmap resumed>) = 0x7ff12c95c000 [pid 5186] <... futex resumed>) = 0 [pid 5184] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5183] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5190] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5189] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5187] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5186] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] <... futex resumed>) = 0 [pid 5189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5187] <... mprotect resumed>) = 0 [pid 5186] <... futex resumed>) = 0 [pid 5189] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080) = 0 [pid 5186] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5189] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5190] <... openat resumed>) = 3 [pid 5189] <... futex resumed>) = 1 [pid 5186] <... futex resumed>) = 0 [pid 5188] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5183] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5191 attached [pid 5190] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5189] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5187] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5186] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5191 [pid 5191] set_robust_list(0x555581d606a0, 24 [pid 5190] <... futex resumed>) = 1 [pid 5189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5188] <... ioctl resumed>) = 0 [pid 5187] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5186] <... futex resumed>) = 0 [pid 5184] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5192 attached [pid 5191] <... set_robust_list resumed>) = 0 [pid 5190] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5189] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5188] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5191] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5189] <... ioctl resumed>) = 0 [pid 5183] <... futex resumed>) = 0 [pid 5192] <... rseq resumed>) = 0 [pid 5191] <... prctl resumed>) = 0 [pid 5190] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5188] <... futex resumed>) = 1 [pid 5184] <... futex resumed>) = 0 [pid 5183] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] set_robust_list(0x7ff12c97c9a0, 24 [pid 5191] setpgid(0, 0 [pid 5190] <... ioctl resumed>) = 0 [pid 5189] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5187] <... clone3 resumed> => {parent_tid=[5192]}, 88) = 5192 [pid 5184] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5183] <... futex resumed>) = 0 [pid 5192] <... set_robust_list resumed>) = 0 [pid 5190] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5189] <... futex resumed>) = 1 [pid 5186] <... futex resumed>) = 0 [pid 5184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5192] rt_sigprocmask(SIG_SETMASK, [], [pid 5191] <... setpgid resumed>) = 0 [pid 5190] <... futex resumed>) = 0 [pid 5189] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5188] <... ioctl resumed>) = 0 [pid 5187] rt_sigprocmask(SIG_SETMASK, [], [pid 5186] exit_group(0 [pid 5184] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5190] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5189] <... futex resumed>) = ? [pid 5186] <... exit_group resumed>) = ? [pid 5192] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] <... ioctl resumed>) = 0 [pid 5189] +++ exited with 0 +++ [pid 5188] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5184] <... futex resumed>) = 0 [pid 5183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5191] <... openat resumed>) = 3 [pid 5190] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] <... futex resumed>) = 0 [pid 5187] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] +++ exited with 0 +++ [pid 5184] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5190] <... futex resumed>) = 0 [pid 5188] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5183] exit_group(0 [pid 5187] <... futex resumed>) = 1 [pid 5192] <... futex resumed>) = 0 [pid 5191] write(3, "1000", 4 [pid 5190] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5187] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] exit_group(0 [pid 5183] <... exit_group resumed>) = ? [pid 5192] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5191] <... write resumed>) = 4 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5191] close(3 [pid 5188] <... futex resumed>) = ? [pid 5184] <... exit_group resumed>) = ? [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5190] <... futex resumed>) = ? [pid 5190] +++ exited with 0 +++ [pid 5192] <... openat resumed>) = 3 [pid 5191] <... close resumed>) = 0 [pid 5188] +++ exited with 0 +++ [pid 5184] +++ exited with 0 +++ [pid 5183] +++ exited with 0 +++ [pid 5066] <... restart_syscall resumed>) = 0 [pid 5192] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5184, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5183, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5192] <... futex resumed>) = 1 [pid 5191] <... futex resumed>) = 0 [pid 5187] <... futex resumed>) = 0 [pid 5192] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5191] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5187] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5192] <... futex resumed>) = 0 [pid 5187] <... futex resumed>) = 1 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5192] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5187] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5191] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 ./strace-static-x86_64: Process 5194 attached ./strace-static-x86_64: Process 5195 attached ./strace-static-x86_64: Process 5193 attached [pid 5194] set_robust_list(0x555581d606a0, 24 [pid 5192] <... ioctl resumed>) = 0 [pid 5191] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5193 [pid 5193] set_robust_list(0x555581d606a0, 24 [pid 5192] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] set_robust_list(0x555581d606a0, 24 [pid 5193] <... set_robust_list resumed>) = 0 [pid 5192] <... futex resumed>) = 1 [pid 5194] <... set_robust_list resumed>) = 0 [pid 5193] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5192] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5191] <... mprotect resumed>) = 0 [pid 5195] <... set_robust_list resumed>) = 0 [pid 5187] <... futex resumed>) = 0 [pid 5194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5193] <... prctl resumed>) = 0 [pid 5191] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5195 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5194 [pid 5194] <... prctl resumed>) = 0 [pid 5195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5187] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] setpgid(0, 0 [pid 5193] setpgid(0, 0 [pid 5191] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5192] <... futex resumed>) = 0 [pid 5187] <... futex resumed>) = 1 [pid 5195] <... prctl resumed>) = 0 [pid 5194] <... setpgid resumed>) = 0 [pid 5193] <... setpgid resumed>) = 0 [pid 5195] setpgid(0, 0 [pid 5192] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5191] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5187] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5192] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5196 attached [pid 5195] <... setpgid resumed>) = 0 [pid 5192] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5194] <... openat resumed>) = 3 [pid 5191] <... clone3 resumed> => {parent_tid=[5196]}, 88) = 5196 [pid 5196] <... rseq resumed>) = 0 [pid 5195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5192] <... futex resumed>) = 1 [pid 5187] <... futex resumed>) = 0 [pid 5196] set_robust_list(0x7ff12c97c9a0, 24 [pid 5194] write(3, "1000", 4 [pid 5192] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5191] rt_sigprocmask(SIG_SETMASK, [], [pid 5187] exit_group(0 [pid 5196] <... set_robust_list resumed>) = 0 [pid 5194] <... write resumed>) = 4 [pid 5191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5196] rt_sigprocmask(SIG_SETMASK, [], [pid 5194] close(3 [pid 5192] <... futex resumed>) = ? [pid 5191] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... exit_group resumed>) = ? [pid 5196] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5194] <... close resumed>) = 0 [pid 5192] +++ exited with 0 +++ [pid 5191] <... futex resumed>) = 0 [pid 5196] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5194] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] <... openat resumed>) = 3 [pid 5194] <... futex resumed>) = 0 [pid 5194] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5196] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5193] <... openat resumed>) = 3 [pid 5196] <... futex resumed>) = 1 [pid 5194] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5191] <... futex resumed>) = 0 [pid 5196] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] <... openat resumed>) = 3 [pid 5194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5191] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5194] <... mmap resumed>) = 0x7ff12c95c000 [pid 5191] <... futex resumed>) = 0 [pid 5196] <... ioctl resumed>) = 0 [pid 5196] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] write(3, "1000", 4 [pid 5194] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5193] write(3, "1000", 4 [pid 5191] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] <... futex resumed>) = 0 [pid 5195] <... write resumed>) = 4 [pid 5194] <... mprotect resumed>) = 0 [pid 5193] <... write resumed>) = 4 [pid 5191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5196] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] close(3 [pid 5193] close(3 [pid 5191] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5195] <... close resumed>) = 0 [pid 5194] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5193] <... close resumed>) = 0 [pid 5191] <... futex resumed>) = 0 [pid 5196] ioctl(3, SNDRV_TIMER_IOCTL_START, 0) = 0 [pid 5196] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5196] <... futex resumed>) = 0 [pid 5191] exit_group(0 [pid 5194] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5193] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... exit_group resumed>) = ? [pid 5196] +++ exited with 0 +++ [pid 5195] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5193] <... futex resumed>) = 0 [pid 5191] +++ exited with 0 +++ [pid 5187] +++ exited with 0 +++ ./strace-static-x86_64: Process 5197 attached [pid 5195] <... futex resumed>) = 0 [pid 5193] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5197] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5195] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5194] <... clone3 resumed> => {parent_tid=[5197]}, 88) = 5197 [pid 5193] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5187, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5197] <... rseq resumed>) = 0 [pid 5195] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5194] rt_sigprocmask(SIG_SETMASK, [], [pid 5193] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5191, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5197] set_robust_list(0x7ff12c97c9a0, 24 [pid 5195] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5197] <... set_robust_list resumed>) = 0 [pid 5195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5194] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5194] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5198 ./strace-static-x86_64: Process 5199 attached ./strace-static-x86_64: Process 5198 attached [pid 5197] rt_sigprocmask(SIG_SETMASK, [], [pid 5195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5193] <... mmap resumed>) = 0x7ff12c95c000 [pid 5199] set_robust_list(0x555581d606a0, 24) = 0 [pid 5198] set_robust_list(0x555581d606a0, 24 [pid 5197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5195] <... mmap resumed>) = 0x7ff12c95c000 [pid 5193] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5199 [pid 5199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5197] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5193] <... mprotect resumed>) = 0 [pid 5199] <... prctl resumed>) = 0 [pid 5199] setpgid(0, 0 [pid 5198] <... set_robust_list resumed>) = 0 [pid 5197] <... openat resumed>) = 3 [pid 5195] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5193] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5199] <... setpgid resumed>) = 0 [pid 5198] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5195] <... mprotect resumed>) = 0 [pid 5199] <... openat resumed>) = 3 [pid 5198] <... prctl resumed>) = 0 [pid 5197] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5193] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5199] write(3, "1000", 4 [pid 5198] setpgid(0, 0 [pid 5199] <... write resumed>) = 4 [pid 5198] <... setpgid resumed>) = 0 [pid 5197] <... futex resumed>) = 1 [pid 5194] <... futex resumed>) = 0 [pid 5193] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5200 attached [pid 5199] close(3 [pid 5198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5197] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5195] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5194] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5199] <... close resumed>) = 0 [pid 5198] <... openat resumed>) = 3 [pid 5197] <... ioctl resumed>) = 0 [pid 5194] <... futex resumed>) = 0 [pid 5200] <... rseq resumed>) = 0 [pid 5199] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] write(3, "1000", 4 [pid 5197] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5194] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5193] <... clone3 resumed> => {parent_tid=[5200]}, 88) = 5200 ./strace-static-x86_64: Process 5201 attached [pid 5200] set_robust_list(0x7ff12c97c9a0, 24 [pid 5199] <... futex resumed>) = 0 [pid 5198] <... write resumed>) = 4 [pid 5197] <... futex resumed>) = 0 [pid 5194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5193] rt_sigprocmask(SIG_SETMASK, [], [pid 5201] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5200] <... set_robust_list resumed>) = 0 [pid 5199] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5198] close(3 [pid 5197] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] <... clone3 resumed> => {parent_tid=[5201]}, 88) = 5201 [pid 5194] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5201] <... rseq resumed>) = 0 [pid 5198] <... close resumed>) = 0 [pid 5197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5195] rt_sigprocmask(SIG_SETMASK, [], [pid 5194] <... futex resumed>) = 0 [pid 5198] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5194] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5193] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] <... futex resumed>) = 0 [pid 5195] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] set_robust_list(0x7ff12c97c9a0, 24 [pid 5200] rt_sigprocmask(SIG_SETMASK, [], [pid 5199] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5197] <... ioctl resumed>) = 0 [pid 5195] <... futex resumed>) = 0 [pid 5198] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5193] <... futex resumed>) = 0 [pid 5201] <... set_robust_list resumed>) = 0 [pid 5200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5199] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5201] rt_sigprocmask(SIG_SETMASK, [], [pid 5200] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5198] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5197] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5193] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5198] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5197] <... futex resumed>) = 1 [pid 5194] <... futex resumed>) = 0 [pid 5201] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5200] <... openat resumed>) = 3 [pid 5199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5198] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5197] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5194] exit_group(0 [pid 5201] <... openat resumed>) = 3 [pid 5200] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] <... mmap resumed>) = 0x7ff12c95c000 [pid 5198] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5197] <... futex resumed>) = ? [pid 5194] <... exit_group resumed>) = ? [pid 5201] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] +++ exited with 0 +++ [pid 5201] <... futex resumed>) = 1 [pid 5195] <... futex resumed>) = 0 [pid 5201] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5198] <... mmap resumed>) = 0x7ff12c95c000 [pid 5195] <... futex resumed>) = 0 [pid 5201] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5195] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5201] <... ioctl resumed>) = 0 [pid 5201] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] <... futex resumed>) = 1 [pid 5199] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5198] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5194] +++ exited with 0 +++ [pid 5193] <... futex resumed>) = 0 [pid 5200] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5193] <... futex resumed>) = 0 [pid 5200] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5201] <... futex resumed>) = 1 [pid 5195] <... futex resumed>) = 0 [pid 5201] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5200] <... ioctl resumed>) = 0 [pid 5195] <... futex resumed>) = 0 [pid 5193] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5201] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5198] <... mprotect resumed>) = 0 [pid 5195] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5201] <... ioctl resumed>) = 0 [pid 5201] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5199] <... mprotect resumed>) = 0 [pid 5195] <... futex resumed>) = 0 [pid 5201] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5200] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5195] exit_group(0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5201] <... futex resumed>) = ? [pid 5200] <... futex resumed>) = 1 [pid 5199] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5198] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5195] <... exit_group resumed>) = ? [pid 5193] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5202 attached [pid 5201] +++ exited with 0 +++ [pid 5200] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5199] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5198] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5193] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5203 attached [pid 5202] set_robust_list(0x555581d606a0, 24 [pid 5200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5199] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5195] +++ exited with 0 +++ [pid 5203] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5202] <... set_robust_list resumed>) = 0 [pid 5203] <... rseq resumed>) = 0 ./strace-static-x86_64: Process 5204 attached [pid 5202] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5200] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5198] <... clone3 resumed> => {parent_tid=[5203]}, 88) = 5203 [pid 5203] set_robust_list(0x7ff12c97c9a0, 24 [pid 5193] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5202 [pid 5204] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5202] <... prctl resumed>) = 0 [pid 5200] <... ioctl resumed>) = 0 [pid 5199] <... clone3 resumed> => {parent_tid=[5204]}, 88) = 5204 [pid 5198] rt_sigprocmask(SIG_SETMASK, [], [pid 5193] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5195, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5204] <... rseq resumed>) = 0 [pid 5203] <... set_robust_list resumed>) = 0 [pid 5202] setpgid(0, 0 [pid 5200] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] rt_sigprocmask(SIG_SETMASK, [], [pid 5198] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5204] set_robust_list(0x7ff12c97c9a0, 24 [pid 5203] rt_sigprocmask(SIG_SETMASK, [], [pid 5202] <... setpgid resumed>) = 0 [pid 5200] <... futex resumed>) = 0 [pid 5199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5198] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] exit_group(0 [pid 5204] <... set_robust_list resumed>) = 0 [pid 5203] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5199] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] <... futex resumed>) = 0 [pid 5193] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5205 attached [pid 5204] rt_sigprocmask(SIG_SETMASK, [], [pid 5203] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5202] <... openat resumed>) = 3 [pid 5199] <... futex resumed>) = 0 [pid 5198] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5204] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5205] set_robust_list(0x555581d606a0, 24 [pid 5204] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5203] <... openat resumed>) = 3 [pid 5202] write(3, "1000", 4 [pid 5199] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5205 [pid 5205] <... set_robust_list resumed>) = 0 [pid 5200] +++ exited with 0 +++ [pid 5193] +++ exited with 0 +++ [pid 5204] <... openat resumed>) = 3 [pid 5203] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... write resumed>) = 4 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5193, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5205] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5204] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] <... futex resumed>) = 1 [pid 5202] close(3 [pid 5198] <... futex resumed>) = 0 [pid 5205] <... prctl resumed>) = 0 [pid 5204] <... futex resumed>) = 1 [pid 5203] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5202] <... close resumed>) = 0 [pid 5199] <... futex resumed>) = 0 [pid 5198] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] setpgid(0, 0 [pid 5204] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5202] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] <... futex resumed>) = 0 [pid 5205] <... setpgid resumed>) = 0 [pid 5204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5203] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5202] <... futex resumed>) = 0 [pid 5199] <... futex resumed>) = 0 [pid 5198] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5204] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5203] <... ioctl resumed>) = 0 [pid 5202] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5199] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5204] <... ioctl resumed>) = 0 [pid 5203] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5203] <... futex resumed>) = 1 [pid 5202] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5204] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5204] <... futex resumed>) = 0 [pid 5202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5204] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5202] <... mmap resumed>) = 0x7ff12c95c000 [pid 5202] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5206 attached [pid 5205] <... openat resumed>) = 3 [pid 5199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5198] <... futex resumed>) = 0 [pid 5198] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] set_robust_list(0x555581d606a0, 24 [pid 5199] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] write(3, "1000", 4 [pid 5206] <... set_robust_list resumed>) = 0 [pid 5199] <... futex resumed>) = 1 [pid 5198] <... futex resumed>) = 1 [pid 5205] <... write resumed>) = 4 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5206 [pid 5205] close(3 [pid 5204] <... futex resumed>) = 0 [pid 5203] <... futex resumed>) = 0 [pid 5202] <... mprotect resumed>) = 0 [pid 5198] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5206] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5205] <... close resumed>) = 0 [pid 5204] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5203] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5202] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5199] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5206] setpgid(0, 0 [pid 5205] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... ioctl resumed>) = 0 [pid 5203] <... ioctl resumed>) = 0 [pid 5202] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5205] <... futex resumed>) = 0 [pid 5206] <... setpgid resumed>) = 0 [pid 5204] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5205] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5204] <... futex resumed>) = 1 [pid 5203] <... futex resumed>) = 1 [pid 5199] <... futex resumed>) = 0 [pid 5198] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5207 attached [pid 5206] <... openat resumed>) = 3 [pid 5205] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5204] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5203] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5199] exit_group(0 [pid 5198] exit_group(0 [pid 5207] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5205] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5204] <... futex resumed>) = ? [pid 5203] <... futex resumed>) = ? [pid 5202] <... clone3 resumed> => {parent_tid=[5207]}, 88) = 5207 [pid 5199] <... exit_group resumed>) = ? [pid 5198] <... exit_group resumed>) = ? [pid 5207] <... rseq resumed>) = 0 [pid 5206] write(3, "1000", 4 [pid 5205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5203] +++ exited with 0 +++ [pid 5202] rt_sigprocmask(SIG_SETMASK, [], [pid 5207] set_robust_list(0x7ff12c97c9a0, 24 [pid 5206] <... write resumed>) = 4 [pid 5205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5204] +++ exited with 0 +++ [pid 5202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5207] <... set_robust_list resumed>) = 0 [pid 5206] close(3 [pid 5205] <... mmap resumed>) = 0x7ff12c95c000 [pid 5202] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5207] rt_sigprocmask(SIG_SETMASK, [], [pid 5206] <... close resumed>) = 0 [pid 5205] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5202] <... futex resumed>) = 0 [pid 5207] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5206] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] <... mprotect resumed>) = 0 [pid 5202] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5199] +++ exited with 0 +++ [pid 5207] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5206] <... futex resumed>) = 0 [pid 5205] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5207] <... openat resumed>) = 3 [pid 5206] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5206] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5198] +++ exited with 0 +++ [pid 5207] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5207] <... futex resumed>) = 1 [pid 5206] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5205] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5202] <... futex resumed>) = 0 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5207] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5205] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5202] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5208 attached [pid 5207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5206] <... mmap resumed>) = 0x7ff12c95c000 [pid 5202] <... futex resumed>) = 0 [pid 5065] <... restart_syscall resumed>) = 0 [pid 5208] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5207] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080) = 0 [pid 5206] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5202] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5208] <... rseq resumed>) = 0 [pid 5206] <... mprotect resumed>) = 0 [pid 5205] <... clone3 resumed> => {parent_tid=[5208]}, 88) = 5208 [pid 5207] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5207] <... futex resumed>) = 1 [pid 5202] <... futex resumed>) = 0 [pid 5208] set_robust_list(0x7ff12c97c9a0, 24 [pid 5205] rt_sigprocmask(SIG_SETMASK, [], [pid 5206] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5202] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] <... set_robust_list resumed>) = 0 [pid 5205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5208] rt_sigprocmask(SIG_SETMASK, [], [pid 5205] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5208] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5205] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5208] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3 [pid 5208] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5210 attached ./strace-static-x86_64: Process 5209 attached [pid 5207] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5206] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5210] set_robust_list(0x555581d606a0, 24 [pid 5202] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5207] <... ioctl resumed>) = 0 [pid 5210] <... set_robust_list resumed>) = 0 [pid 5210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5209] set_robust_list(0x555581d606a0, 24 [pid 5208] <... futex resumed>) = 1 [pid 5207] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5205] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5210 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5209 [pid 5210] <... prctl resumed>) = 0 [pid 5209] <... set_robust_list resumed>) = 0 [pid 5208] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5207] <... futex resumed>) = 1 [pid 5205] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... futex resumed>) = 0 [pid 5210] setpgid(0, 0 [pid 5209] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5207] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5202] exit_group(0 [pid 5210] <... setpgid resumed>) = 0 [pid 5207] <... futex resumed>) = ? [pid 5206] <... clone3 resumed> => {parent_tid=[5211]}, 88) = 5211 [pid 5202] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5211 attached [pid 5210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5209] <... prctl resumed>) = 0 [pid 5208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5207] +++ exited with 0 +++ [pid 5206] rt_sigprocmask(SIG_SETMASK, [], [pid 5205] <... futex resumed>) = 0 [pid 5211] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5209] setpgid(0, 0 [pid 5206] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5209] <... setpgid resumed>) = 0 [pid 5206] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] <... rseq resumed>) = 0 [pid 5211] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5211] rt_sigprocmask(SIG_SETMASK, [], [pid 5208] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5210] <... openat resumed>) = 3 [pid 5211] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5205] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5208] <... ioctl resumed>) = 0 [pid 5211] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5206] <... futex resumed>) = 0 [pid 5206] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5211] <... openat resumed>) = 3 [pid 5208] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] write(3, "1000", 4 [pid 5209] <... openat resumed>) = 3 [pid 5210] <... write resumed>) = 4 [pid 5211] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] <... futex resumed>) = 1 [pid 5205] <... futex resumed>) = 0 [pid 5211] <... futex resumed>) = 1 [pid 5208] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5205] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5205] <... futex resumed>) = 0 [pid 5208] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5205] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5202] +++ exited with 0 +++ [pid 5206] <... futex resumed>) = 0 [pid 5210] close(3 [pid 5209] write(3, "1000", 4 [pid 5208] <... ioctl resumed>) = 0 [pid 5210] <... close resumed>) = 0 [pid 5209] <... write resumed>) = 4 [pid 5208] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5202, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5211] <... futex resumed>) = 0 [pid 5210] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] close(3 [pid 5208] <... futex resumed>) = 1 [pid 5206] <... futex resumed>) = 1 [pid 5205] <... futex resumed>) = 0 [pid 5211] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5210] <... futex resumed>) = 0 [pid 5209] <... close resumed>) = 0 [pid 5208] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5206] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5205] exit_group(0 [pid 5211] <... ioctl resumed>) = 0 [pid 5210] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5209] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] <... futex resumed>) = ? [pid 5205] <... exit_group resumed>) = ? [pid 5211] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5209] <... futex resumed>) = 0 [pid 5208] +++ exited with 0 +++ [pid 5211] <... futex resumed>) = 1 [pid 5210] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5209] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5206] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5211] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5209] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5206] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5209] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5206] <... futex resumed>) = 0 [pid 5205] +++ exited with 0 +++ ./strace-static-x86_64: Process 5212 attached [pid 5211] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5210] <... mmap resumed>) = 0x7ff12c95c000 [pid 5209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5206] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5212 [pid 5212] set_robust_list(0x555581d606a0, 24 [pid 5211] <... ioctl resumed>) = 0 [pid 5210] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5212] <... set_robust_list resumed>) = 0 [pid 5211] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5205, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5210] <... mprotect resumed>) = 0 [pid 5209] <... mmap resumed>) = 0x7ff12c95c000 [pid 5212] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5211] <... futex resumed>) = 1 [pid 5210] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5209] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5206] <... futex resumed>) = 0 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5212] <... prctl resumed>) = 0 [pid 5211] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5209] <... mprotect resumed>) = 0 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5212] setpgid(0, 0 [pid 5210] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5206] exit_group(0./strace-static-x86_64: Process 5213 attached [pid 5212] <... setpgid resumed>) = 0 [pid 5211] <... futex resumed>) = ? [pid 5209] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5206] <... exit_group resumed>) = ? [pid 5213] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5213] <... rseq resumed>) = 0 [pid 5210] <... clone3 resumed> => {parent_tid=[5213]}, 88) = 5213 [pid 5209] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5213] set_robust_list(0x7ff12c97c9a0, 24 [pid 5212] <... openat resumed>) = 3 [pid 5211] +++ exited with 0 +++ [pid 5210] rt_sigprocmask(SIG_SETMASK, [], [pid 5209] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5214 attached ./strace-static-x86_64: Process 5215 attached [pid 5213] <... set_robust_list resumed>) = 0 [pid 5212] write(3, "1000", 4 [pid 5210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5206] +++ exited with 0 +++ [pid 5213] rt_sigprocmask(SIG_SETMASK, [], [pid 5212] <... write resumed>) = 4 [pid 5210] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] <... clone3 resumed> => {parent_tid=[5215]}, 88) = 5215 [pid 5215] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5209] rt_sigprocmask(SIG_SETMASK, [], [pid 5214] set_robust_list(0x555581d606a0, 24 [pid 5215] <... rseq resumed>) = 0 [pid 5214] <... set_robust_list resumed>) = 0 [pid 5215] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5213] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5212] close(3 [pid 5210] <... futex resumed>) = 0 [pid 5209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5215] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5214] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5213] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5212] <... close resumed>) = 0 [pid 5210] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5209] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5215] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5214] <... prctl resumed>) = 0 [pid 5213] <... openat resumed>) = 3 [pid 5212] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] <... futex resumed>) = 0 [pid 5215] <... openat resumed>) = 3 [pid 5214] setpgid(0, 0 [pid 5213] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] <... futex resumed>) = 0 [pid 5209] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... restart_syscall resumed>) = 0 [pid 5214] <... setpgid resumed>) = 0 [pid 5213] <... futex resumed>) = 1 [pid 5212] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5210] <... futex resumed>) = 0 [pid 5215] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5212] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5210] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5214 [pid 5215] <... futex resumed>) = 1 [pid 5214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5212] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5210] <... futex resumed>) = 0 [pid 5209] <... futex resumed>) = 0 [pid 5215] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5213] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5212] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5210] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5214] <... openat resumed>) = 3 [pid 5213] <... ioctl resumed>) = 0 [pid 5212] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5209] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5214] write(3, "1000", 4 [pid 5213] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] <... mmap resumed>) = 0x7ff12c95c000 [pid 5209] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5216 attached [pid 5215] <... ioctl resumed>) = 0 [pid 5214] <... write resumed>) = 4 [pid 5213] <... futex resumed>) = 1 [pid 5212] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5210] <... futex resumed>) = 0 [pid 5209] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5215] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] close(3 [pid 5213] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5212] <... mprotect resumed>) = 0 [pid 5210] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5216] set_robust_list(0x555581d606a0, 24 [pid 5215] <... futex resumed>) = 0 [pid 5214] <... close resumed>) = 0 [pid 5213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5210] <... futex resumed>) = 0 [pid 5209] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5216 [pid 5216] <... set_robust_list resumed>) = 0 [pid 5215] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5214] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5210] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5209] <... futex resumed>) = 0 [pid 5215] <... ioctl resumed>) = 0 [pid 5214] <... futex resumed>) = 0 [pid 5209] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5215] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5216] <... prctl resumed>) = 0 [pid 5215] <... futex resumed>) = 0 [pid 5214] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5213] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5212] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5209] exit_group(0 [pid 5216] setpgid(0, 0 [pid 5214] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5213] <... ioctl resumed>) = 0 [pid 5212] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5209] <... exit_group resumed>) = ? [pid 5216] <... setpgid resumed>) = 0 [pid 5215] +++ exited with 0 +++ [pid 5214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5213] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5213] <... futex resumed>) = 1 [pid 5210] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5217 attached [pid 5216] <... openat resumed>) = 3 [pid 5214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5213] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5212] <... clone3 resumed> => {parent_tid=[5217]}, 88) = 5217 [pid 5210] exit_group(0 [pid 5209] +++ exited with 0 +++ [pid 5217] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5214] <... mmap resumed>) = 0x7ff12c95c000 [pid 5213] <... futex resumed>) = ? [pid 5212] rt_sigprocmask(SIG_SETMASK, [], [pid 5210] <... exit_group resumed>) = ? [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5209, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5217] <... rseq resumed>) = 0 [pid 5216] write(3, "1000", 4 [pid 5214] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5213] +++ exited with 0 +++ [pid 5212] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5217] set_robust_list(0x7ff12c97c9a0, 24 [pid 5216] <... write resumed>) = 4 [pid 5214] <... mprotect resumed>) = 0 [pid 5212] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] +++ exited with 0 +++ [pid 5217] <... set_robust_list resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5216] close(3 [pid 5212] <... futex resumed>) = 0 [pid 5217] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5218 attached NULL, 8) = 0 [pid 5216] <... close resumed>) = 0 [pid 5214] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5212] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5217] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5216] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5218] set_robust_list(0x555581d606a0, 24 [pid 5216] <... futex resumed>) = 0 [pid 5214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5218 ./strace-static-x86_64: Process 5219 attached [pid 5218] <... set_robust_list resumed>) = 0 [pid 5217] <... openat resumed>) = 3 [pid 5216] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5219] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5218] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5219] <... rseq resumed>) = 0 [pid 5216] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5214] <... clone3 resumed> => {parent_tid=[5219]}, 88) = 5219 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5216] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5214] rt_sigprocmask(SIG_SETMASK, [], [pid 5219] set_robust_list(0x7ff12c97c9a0, 24 [pid 5218] <... prctl resumed>) = 0 [pid 5217] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5214] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5220 attached [pid 5219] <... set_robust_list resumed>) = 0 [pid 5218] setpgid(0, 0 [pid 5217] <... futex resumed>) = 1 [pid 5216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5214] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] <... futex resumed>) = 0 [pid 5220] set_robust_list(0x555581d606a0, 24 [pid 5219] rt_sigprocmask(SIG_SETMASK, [], [pid 5218] <... setpgid resumed>) = 0 [pid 5217] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] <... mmap resumed>) = 0x7ff12c95c000 [pid 5214] <... futex resumed>) = 0 [pid 5212] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... set_robust_list resumed>) = 0 [pid 5219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5216] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5214] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5212] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5220 [pid 5219] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5212] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5219] <... openat resumed>) = 3 [pid 5218] <... openat resumed>) = 3 [pid 5220] <... prctl resumed>) = 0 [pid 5219] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5216] <... mprotect resumed>) = 0 [pid 5218] write(3, "1000", 4 [pid 5217] <... ioctl resumed>) = 0 [pid 5216] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5214] <... futex resumed>) = 0 [pid 5220] setpgid(0, 0 [pid 5219] <... futex resumed>) = 1 [pid 5218] <... write resumed>) = 4 [pid 5220] <... setpgid resumed>) = 0 [pid 5218] close(3 [pid 5217] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5219] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5218] <... close resumed>) = 0 [pid 5217] <... futex resumed>) = 1 [pid 5216] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5214] <... futex resumed>) = 0 [pid 5212] <... futex resumed>) = 0 [pid 5220] <... openat resumed>) = 3 [pid 5219] <... ioctl resumed>) = 0 [pid 5218] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5214] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5212] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5221 attached [pid 5218] <... futex resumed>) = 0 [pid 5212] <... futex resumed>) = 0 [pid 5221] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5220] write(3, "1000", 4 [pid 5219] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5212] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5221] <... rseq resumed>) = 0 [pid 5220] <... write resumed>) = 4 [pid 5219] <... futex resumed>) = 1 [pid 5218] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5217] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5216] <... clone3 resumed> => {parent_tid=[5221]}, 88) = 5221 [pid 5214] <... futex resumed>) = 0 [pid 5221] set_robust_list(0x7ff12c97c9a0, 24 [pid 5220] close(3 [pid 5219] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5218] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5217] <... ioctl resumed>) = 0 [pid 5216] rt_sigprocmask(SIG_SETMASK, [], [pid 5214] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... set_robust_list resumed>) = 0 [pid 5220] <... close resumed>) = 0 [pid 5219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5217] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5214] <... futex resumed>) = 0 [pid 5221] rt_sigprocmask(SIG_SETMASK, [], [pid 5220] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5217] <... futex resumed>) = 1 [pid 5216] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5212] <... futex resumed>) = 0 [pid 5221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5220] <... futex resumed>) = 0 [pid 5219] <... ioctl resumed>) = 0 [pid 5218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5217] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] <... futex resumed>) = 0 [pid 5220] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5219] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] <... mmap resumed>) = 0x7ff12c95c000 [pid 5216] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5212] exit_group(0 [pid 5221] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5220] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5219] <... futex resumed>) = 1 [pid 5214] <... futex resumed>) = 0 [pid 5220] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5219] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5214] exit_group(0 [pid 5220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5219] <... futex resumed>) = ? [pid 5214] <... exit_group resumed>) = ? [pid 5221] <... openat resumed>) = 3 [pid 5220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5219] +++ exited with 0 +++ [pid 5218] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5214] +++ exited with 0 +++ [pid 5212] <... exit_group resumed>) = ? [pid 5220] <... mmap resumed>) = 0x7ff12c95c000 [pid 5218] <... mprotect resumed>) = 0 [pid 5217] <... futex resumed>) = ? [pid 5221] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5218] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5217] +++ exited with 0 +++ [pid 5212] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5221] <... futex resumed>) = 1 [pid 5220] <... mprotect resumed>) = 0 [pid 5216] <... futex resumed>) = 0 [pid 5221] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5218] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5212, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5220] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5218] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5216] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5220] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5216] <... futex resumed>) = 1 [pid 5220] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5216] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5221] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5223 attached ./strace-static-x86_64: Process 5222 attached [pid 5070] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5224 attached [pid 5223] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5222] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5221] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5220] <... clone3 resumed> => {parent_tid=[5223]}, 88) = 5223 [pid 5218] <... clone3 resumed> => {parent_tid=[5222]}, 88) = 5222 [pid 5223] <... rseq resumed>) = 0 [pid 5221] <... ioctl resumed>) = 0 [pid 5220] rt_sigprocmask(SIG_SETMASK, [], [pid 5223] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5223] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5220] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] rt_sigprocmask(SIG_SETMASK, [], [pid 5223] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5220] <... futex resumed>) = 0 [pid 5220] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5223] <... openat resumed>) = 3 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5224 [pid 5223] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5220] <... futex resumed>) = 0 [pid 5223] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5220] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] <... ioctl resumed>) = 0 [pid 5220] <... futex resumed>) = 0 [pid 5220] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] set_robust_list(0x555581d606a0, 24 [pid 5223] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] <... rseq resumed>) = 0 [pid 5221] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5225 attached [pid 5224] <... set_robust_list resumed>) = 0 [pid 5223] <... futex resumed>) = 1 [pid 5222] set_robust_list(0x7ff12c97c9a0, 24 [pid 5221] <... futex resumed>) = 1 [pid 5220] <... futex resumed>) = 0 [pid 5218] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] <... futex resumed>) = 0 [pid 5223] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5222] <... set_robust_list resumed>) = 0 [pid 5221] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] <... futex resumed>) = 0 [pid 5216] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5222] rt_sigprocmask(SIG_SETMASK, [], [pid 5221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5218] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] set_robust_list(0x555581d606a0, 24 [pid 5224] <... prctl resumed>) = 0 [pid 5222] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5221] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5225] <... set_robust_list resumed>) = 0 [pid 5221] <... ioctl resumed>) = 0 [pid 5220] <... futex resumed>) = 0 [pid 5222] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5221] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5220] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5216] <... futex resumed>) = 0 [pid 5225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5221] <... futex resumed>) = 0 [pid 5224] setpgid(0, 0 [pid 5222] <... openat resumed>) = 3 [pid 5221] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... prctl resumed>) = 0 [pid 5224] <... setpgid resumed>) = 0 [pid 5223] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5222] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5223] <... ioctl resumed>) = 0 [pid 5222] <... futex resumed>) = 1 [pid 5218] <... futex resumed>) = 0 [pid 5224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5216] exit_group(0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5225 [pid 5225] setpgid(0, 0 [pid 5223] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5221] <... futex resumed>) = ? [pid 5218] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] <... exit_group resumed>) = ? [pid 5225] <... setpgid resumed>) = 0 [pid 5224] <... openat resumed>) = 3 [pid 5223] <... futex resumed>) = 1 [pid 5222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5221] +++ exited with 0 +++ [pid 5220] <... futex resumed>) = 0 [pid 5218] <... futex resumed>) = 0 [pid 5216] +++ exited with 0 +++ [pid 5223] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5222] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5220] exit_group(0 [pid 5218] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5224] write(3, "1000", 4 [pid 5223] <... futex resumed>) = ? [pid 5222] <... ioctl resumed>) = 0 [pid 5220] <... exit_group resumed>) = ? [pid 5225] <... openat resumed>) = 3 [pid 5224] <... write resumed>) = 4 [pid 5223] +++ exited with 0 +++ [pid 5222] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5218] <... futex resumed>) = 0 [pid 5225] write(3, "1000", 4 [pid 5224] close(3 [pid 5222] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] +++ exited with 0 +++ [pid 5218] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... write resumed>) = 4 [pid 5224] <... close resumed>) = 0 [pid 5222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5218] <... futex resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5224] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5225] close(3 [pid 5218] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5225] <... close resumed>) = 0 [pid 5224] <... futex resumed>) = 0 [pid 5222] <... ioctl resumed>) = 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...>) = 0 ./strace-static-x86_64: Process 5226 attached [pid 5222] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] set_robust_list(0x555581d606a0, 24 [pid 5225] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5222] <... futex resumed>) = 1 [pid 5218] <... futex resumed>) = 0 [pid 5226] <... set_robust_list resumed>) = 0 [pid 5225] <... futex resumed>) = 0 [pid 5224] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5225] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5224] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5222] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5218] exit_group(0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5226 ./strace-static-x86_64: Process 5227 attached [pid 5226] <... prctl resumed>) = 0 [pid 5225] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5222] <... futex resumed>) = ? [pid 5218] <... exit_group resumed>) = ? [pid 5225] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5222] +++ exited with 0 +++ [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5227 [pid 5227] set_robust_list(0x555581d606a0, 24 [pid 5226] setpgid(0, 0 [pid 5225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5224] <... mmap resumed>) = 0x7ff12c95c000 [pid 5218] +++ exited with 0 +++ [pid 5227] <... set_robust_list resumed>) = 0 [pid 5226] <... setpgid resumed>) = 0 [pid 5225] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5224] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5225] <... mmap resumed>) = 0x7ff12c95c000 [pid 5224] <... mprotect resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5226] <... openat resumed>) = 3 [pid 5225] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5224] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5227] <... prctl resumed>) = 0 [pid 5226] write(3, "1000", 4 [pid 5225] <... mprotect resumed>) = 0 [pid 5224] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5227] setpgid(0, 0 [pid 5226] <... write resumed>) = 4 [pid 5224] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5226] close(3 [pid 5225] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5229 attached ./strace-static-x86_64: Process 5228 attached [pid 5227] <... setpgid resumed>) = 0 [pid 5226] <... close resumed>) = 0 [pid 5225] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5224] <... clone3 resumed> => {parent_tid=[5228]}, 88) = 5228 [pid 5229] set_robust_list(0x555581d606a0, 24 [pid 5228] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5226] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5224] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5224] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5230 attached [pid 5229] <... set_robust_list resumed>) = 0 [pid 5228] <... rseq resumed>) = 0 [pid 5227] <... openat resumed>) = 3 [pid 5226] <... futex resumed>) = 0 [pid 5225] <... clone3 resumed> => {parent_tid=[5230]}, 88) = 5230 [pid 5224] <... futex resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5229 [pid 5230] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5228] set_robust_list(0x7ff12c97c9a0, 24 [pid 5227] write(3, "1000", 4 [pid 5226] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5225] rt_sigprocmask(SIG_SETMASK, [], [pid 5224] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5230] <... rseq resumed>) = 0 [pid 5228] <... set_robust_list resumed>) = 0 [pid 5227] <... write resumed>) = 4 [pid 5226] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5229] <... prctl resumed>) = 0 [pid 5230] set_robust_list(0x7ff12c97c9a0, 24 [pid 5228] rt_sigprocmask(SIG_SETMASK, [], [pid 5227] close(3 [pid 5226] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5230] <... set_robust_list resumed>) = 0 [pid 5229] setpgid(0, 0 [pid 5228] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5227] <... close resumed>) = 0 [pid 5226] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5230] rt_sigprocmask(SIG_SETMASK, [], [pid 5229] <... setpgid resumed>) = 0 [pid 5226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5227] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5226] <... mmap resumed>) = 0x7ff12c95c000 [pid 5225] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... futex resumed>) = 0 [pid 5230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] <... futex resumed>) = 0 [pid 5225] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5228] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5230] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5227] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5226] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5227] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5226] <... mprotect resumed>) = 0 [pid 5227] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5227] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5229] write(3, "1000", 4) = 4 [pid 5229] close(3) = 0 [pid 5226] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5229] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... mmap resumed>) = 0x7ff12c95c000 [pid 5229] <... futex resumed>) = 0 [pid 5229] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5229] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5230] <... openat resumed>) = 3 [pid 5229] <... mmap resumed>) = 0x7ff12c95c000 [pid 5228] <... openat resumed>) = 3 [pid 5230] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5228] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5226] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5230] <... futex resumed>) = 1 [pid 5229] <... mprotect resumed>) = 0 [pid 5228] <... futex resumed>) = 1 [pid 5225] <... futex resumed>) = 0 [pid 5226] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5224] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5231 attached [pid 5230] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5228] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5227] <... mprotect resumed>) = 0 [pid 5225] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5229] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5227] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5226] <... clone3 resumed> => {parent_tid=[5231]}, 88) = 5231 [pid 5225] <... futex resumed>) = 0 [pid 5224] <... futex resumed>) = 0 [pid 5231] <... rseq resumed>) = 0 [pid 5230] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5228] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5225] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5232 attached [pid 5231] set_robust_list(0x7ff12c97c9a0, 24 [pid 5230] <... ioctl resumed>) = 0 [pid 5228] <... ioctl resumed>) = 0 [pid 5227] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5226] rt_sigprocmask(SIG_SETMASK, [], [pid 5232] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5231] <... set_robust_list resumed>) = 0 [pid 5229] <... clone3 resumed> => {parent_tid=[5232]}, 88) = 5232 [pid 5226] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5232] <... rseq resumed>) = 0 [pid 5231] rt_sigprocmask(SIG_SETMASK, [], [pid 5230] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] rt_sigprocmask(SIG_SETMASK, [], [pid 5228] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5226] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5233 attached [pid 5232] set_robust_list(0x7ff12c97c9a0, 24 [pid 5231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5230] <... futex resumed>) = 1 [pid 5229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5228] <... futex resumed>) = 1 [pid 5226] <... futex resumed>) = 0 [pid 5225] <... futex resumed>) = 0 [pid 5224] <... futex resumed>) = 0 [pid 5233] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5232] <... set_robust_list resumed>) = 0 [pid 5231] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5230] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] <... rseq resumed>) = 0 [pid 5232] rt_sigprocmask(SIG_SETMASK, [], [pid 5231] <... openat resumed>) = 3 [pid 5230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5229] <... futex resumed>) = 0 [pid 5228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5227] <... clone3 resumed> => {parent_tid=[5233]}, 88) = 5233 [pid 5225] <... futex resumed>) = 0 [pid 5224] <... futex resumed>) = 0 [pid 5233] set_robust_list(0x7ff12c97c9a0, 24 [pid 5232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5231] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5229] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5227] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] <... set_robust_list resumed>) = 0 [pid 5232] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5231] <... futex resumed>) = 1 [pid 5230] <... ioctl resumed>) = 0 [pid 5228] <... ioctl resumed>) = 0 [pid 5227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5226] <... futex resumed>) = 0 [pid 5233] rt_sigprocmask(SIG_SETMASK, [], [pid 5232] <... openat resumed>) = 3 [pid 5231] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5230] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5228] <... futex resumed>) = 1 [pid 5224] <... futex resumed>) = 0 [pid 5232] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5230] <... futex resumed>) = 1 [pid 5227] <... futex resumed>) = 0 [pid 5226] <... futex resumed>) = 0 [pid 5225] <... futex resumed>) = 0 [pid 5224] exit_group(0 [pid 5233] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5232] <... futex resumed>) = 1 [pid 5231] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5230] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] <... futex resumed>) = 0 [pid 5227] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] exit_group(0 [pid 5224] <... exit_group resumed>) = ? [pid 5233] <... openat resumed>) = 3 [pid 5232] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5231] <... ioctl resumed>) = 0 [pid 5229] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] +++ exited with 0 +++ [pid 5225] <... exit_group resumed>) = ? [pid 5232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5231] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... futex resumed>) = 0 [pid 5232] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5231] <... futex resumed>) = 1 [pid 5229] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] <... futex resumed>) = 0 [pid 5232] <... ioctl resumed>) = 0 [pid 5231] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5226] <... futex resumed>) = 0 [pid 5232] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5226] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5232] <... futex resumed>) = 1 [pid 5231] <... ioctl resumed>) = 0 [pid 5229] <... futex resumed>) = 0 [pid 5232] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5231] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5231] <... futex resumed>) = 1 [pid 5229] <... futex resumed>) = 0 [pid 5226] <... futex resumed>) = 0 [pid 5232] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5231] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] exit_group(0 [pid 5232] <... ioctl resumed>) = 0 [pid 5231] <... futex resumed>) = ? [pid 5226] <... exit_group resumed>) = ? [pid 5224] +++ exited with 0 +++ [pid 5230] <... futex resumed>) = ? [pid 5233] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5224, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5232] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] +++ exited with 0 +++ [pid 5230] +++ exited with 0 +++ [pid 5226] +++ exited with 0 +++ [pid 5225] +++ exited with 0 +++ [pid 5233] <... futex resumed>) = 1 [pid 5227] <... futex resumed>) = 0 [pid 5233] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5232] <... futex resumed>) = 1 [pid 5229] <... futex resumed>) = 0 [pid 5227] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] exit_group(0 [pid 5227] <... futex resumed>) = 0 [pid 5232] <... futex resumed>) = ? [pid 5229] <... exit_group resumed>) = ? [pid 5227] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5232] +++ exited with 0 +++ [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5234 attached [pid 5233] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5229] +++ exited with 0 +++ [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5234] set_robust_list(0x555581d606a0, 24 [pid 5233] <... ioctl resumed>) = 0 [pid 5234] <... set_robust_list resumed>) = 0 [pid 5233] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5234 [pid 5066] <... restart_syscall resumed>) = 0 [pid 5234] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5233] <... futex resumed>) = 1 [pid 5227] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5235 attached [pid 5234] <... prctl resumed>) = 0 [pid 5233] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5227] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] setpgid(0, 0 [pid 5233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5235] set_robust_list(0x555581d606a0, 24 [pid 5233] ioctl(3, SNDRV_TIMER_IOCTL_START, 0) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5236 attached [pid 5235] <... set_robust_list resumed>) = 0 [pid 5234] <... setpgid resumed>) = 0 [pid 5233] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... futex resumed>) = 0 [pid 5233] <... futex resumed>) = 0 [pid 5227] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5235] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5233] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5235 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5236] set_robust_list(0x555581d606a0, 24 [pid 5235] <... prctl resumed>) = 0 [pid 5234] <... openat resumed>) = 3 [pid 5227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5237 attached [pid 5236] <... set_robust_list resumed>) = 0 [pid 5227] exit_group(0 [pid 5235] setpgid(0, 0 [pid 5237] set_robust_list(0x555581d606a0, 24 [pid 5236] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5234] write(3, "1000", 4 [pid 5233] <... futex resumed>) = ? [pid 5227] <... exit_group resumed>) = ? [pid 5235] <... setpgid resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5236 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5237 [pid 5237] <... set_robust_list resumed>) = 0 [pid 5233] +++ exited with 0 +++ [pid 5234] <... write resumed>) = 4 [pid 5236] <... prctl resumed>) = 0 [pid 5236] setpgid(0, 0) = 0 [pid 5236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5236] write(3, "1000", 4) = 4 [pid 5227] +++ exited with 0 +++ [pid 5236] close(3 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5227, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5236] <... close resumed>) = 0 [pid 5235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5234] close(3 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5237] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5236] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... close resumed>) = 0 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5237] <... prctl resumed>) = 0 [pid 5236] <... futex resumed>) = 0 [pid 5234] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] setpgid(0, 0 [pid 5236] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5235] <... openat resumed>) = 3 [pid 5234] <... futex resumed>) = 0 [pid 5237] <... setpgid resumed>) = 0 [pid 5236] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5236] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5235] write(3, "1000", 4 [pid 5234] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5236] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5238 attached [pid 5236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5238 [pid 5235] <... write resumed>) = 4 [pid 5234] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5238] set_robust_list(0x555581d606a0, 24 [pid 5236] <... mmap resumed>) = 0x7ff12c95c000 [pid 5235] close(3 [pid 5238] <... set_robust_list resumed>) = 0 [pid 5234] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5235] <... close resumed>) = 0 [pid 5237] <... openat resumed>) = 3 [pid 5234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5238] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5237] write(3, "1000", 4 [pid 5236] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5235] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5238] <... prctl resumed>) = 0 [pid 5237] <... write resumed>) = 4 [pid 5236] <... mprotect resumed>) = 0 [pid 5235] <... futex resumed>) = 0 [pid 5238] setpgid(0, 0 [pid 5237] close(3 [pid 5236] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5235] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5234] <... mmap resumed>) = 0x7ff12c95c000 [pid 5238] <... setpgid resumed>) = 0 [pid 5237] <... close resumed>) = 0 [pid 5236] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5235] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5234] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5237] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5235] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5239 attached [pid 5238] <... openat resumed>) = 3 [pid 5239] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5238] write(3, "1000", 4 [pid 5236] <... clone3 resumed> => {parent_tid=[5239]}, 88) = 5239 [pid 5239] <... rseq resumed>) = 0 [pid 5238] <... write resumed>) = 4 [pid 5236] rt_sigprocmask(SIG_SETMASK, [], [pid 5239] set_robust_list(0x7ff12c97c9a0, 24 [pid 5238] close(3 [pid 5237] <... futex resumed>) = 0 [pid 5236] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5234] <... mprotect resumed>) = 0 [pid 5239] <... set_robust_list resumed>) = 0 [pid 5238] <... close resumed>) = 0 [pid 5237] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5236] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5239] rt_sigprocmask(SIG_SETMASK, [], [pid 5238] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5234] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5239] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5238] <... futex resumed>) = 0 [pid 5237] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5236] <... futex resumed>) = 0 [pid 5235] <... mmap resumed>) = 0x7ff12c95c000 [pid 5234] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5239] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5238] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5237] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5236] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5235] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5234] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5240 attached [pid 5239] <... openat resumed>) = 3 [pid 5238] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5237] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5240] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5238] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5237] <... mmap resumed>) = 0x7ff12c95c000 [pid 5235] <... mprotect resumed>) = 0 [pid 5234] <... clone3 resumed> => {parent_tid=[5240]}, 88) = 5240 [pid 5240] <... rseq resumed>) = 0 [pid 5239] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5237] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5240] set_robust_list(0x7ff12c97c9a0, 24 [pid 5239] <... futex resumed>) = 1 [pid 5238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5236] <... futex resumed>) = 0 [pid 5235] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5234] rt_sigprocmask(SIG_SETMASK, [], [pid 5240] <... set_robust_list resumed>) = 0 [pid 5239] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5238] <... mmap resumed>) = 0x7ff12c95c000 [pid 5237] <... mprotect resumed>) = 0 [pid 5236] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] rt_sigprocmask(SIG_SETMASK, [], [pid 5239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5238] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5236] <... futex resumed>) = 0 [pid 5234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5237] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5235] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5240] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5239] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5238] <... mprotect resumed>) = 0 [pid 5236] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5234] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5239] <... ioctl resumed>) = 0 [pid 5238] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5237] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5235] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5234] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5241 attached [pid 5240] <... openat resumed>) = 3 [pid 5239] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5237] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5234] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5242 attached [pid 5241] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5240] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... futex resumed>) = 1 [pid 5238] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5236] <... futex resumed>) = 0 [pid 5235] <... clone3 resumed> => {parent_tid=[5241]}, 88) = 5241 [pid 5234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5242] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5241] <... rseq resumed>) = 0 [pid 5237] <... clone3 resumed> => {parent_tid=[5242]}, 88) = 5242 [pid 5235] rt_sigprocmask(SIG_SETMASK, [], [pid 5234] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... rseq resumed>) = 0 [pid 5241] set_robust_list(0x7ff12c97c9a0, 24 [pid 5237] rt_sigprocmask(SIG_SETMASK, [], [pid 5235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5234] <... futex resumed>) = 0 [pid 5242] set_robust_list(0x7ff12c97c9a0, 24 [pid 5241] <... set_robust_list resumed>) = 0 [pid 5237] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5235] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5242] <... set_robust_list resumed>) = 0 [pid 5241] rt_sigprocmask(SIG_SETMASK, [], [pid 5237] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] <... futex resumed>) = 0 [pid 5242] rt_sigprocmask(SIG_SETMASK, [], [pid 5241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5237] <... futex resumed>) = 0 [pid 5235] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5242] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5243 attached [pid 5242] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5241] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5240] <... futex resumed>) = 1 [pid 5239] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5237] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5236] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... futex resumed>) = 0 [pid 5243] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5242] <... openat resumed>) = 3 [pid 5241] <... openat resumed>) = 3 [pid 5240] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5238] <... clone3 resumed> => {parent_tid=[5243]}, 88) = 5243 [pid 5236] <... futex resumed>) = 0 [pid 5234] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=48000000} [pid 5243] <... rseq resumed>) = 0 [pid 5242] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... ioctl resumed>) = 0 [pid 5239] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5238] rt_sigprocmask(SIG_SETMASK, [], [pid 5236] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5243] set_robust_list(0x7ff12c97c9a0, 24 [pid 5242] <... futex resumed>) = 1 [pid 5241] <... futex resumed>) = 1 [pid 5240] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... ioctl resumed>) = 0 [pid 5238] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5237] <... futex resumed>) = 0 [pid 5235] <... futex resumed>) = 0 [pid 5243] <... set_robust_list resumed>) = 0 [pid 5242] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5241] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5240] <... futex resumed>) = 1 [pid 5239] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... futex resumed>) = 0 [pid 5243] rt_sigprocmask(SIG_SETMASK, [], [pid 5242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5240] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5238] <... futex resumed>) = 0 [pid 5237] <... futex resumed>) = 0 [pid 5235] <... futex resumed>) = 0 [pid 5234] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5242] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5241] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5239] <... futex resumed>) = 1 [pid 5238] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5237] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5236] <... futex resumed>) = 0 [pid 5235] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5234] <... futex resumed>) = 0 [pid 5243] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5242] <... ioctl resumed>) = 0 [pid 5241] <... ioctl resumed>) = 0 [pid 5240] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5239] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5236] exit_group(0 [pid 5234] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5243] <... openat resumed>) = 3 [pid 5242] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... ioctl resumed>) = 0 [pid 5239] <... futex resumed>) = ? [pid 5236] <... exit_group resumed>) = ? [pid 5243] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... futex resumed>) = 1 [pid 5241] <... futex resumed>) = 1 [pid 5240] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] +++ exited with 0 +++ [pid 5237] <... futex resumed>) = 0 [pid 5235] <... futex resumed>) = 0 [pid 5243] <... futex resumed>) = 1 [pid 5242] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5241] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5240] <... futex resumed>) = 1 [pid 5238] <... futex resumed>) = 0 [pid 5237] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] +++ exited with 0 +++ [pid 5235] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... futex resumed>) = 0 [pid 5243] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5240] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5238] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] <... futex resumed>) = 0 [pid 5235] <... futex resumed>) = 0 [pid 5234] exit_group(0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5236, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5242] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5241] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5240] <... futex resumed>) = ? [pid 5238] <... futex resumed>) = 0 [pid 5237] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5235] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5234] <... exit_group resumed>) = ? [pid 5243] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5242] <... ioctl resumed>) = 0 [pid 5241] <... ioctl resumed>) = 0 [pid 5240] +++ exited with 0 +++ [pid 5238] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5234] +++ exited with 0 +++ [pid 5243] <... ioctl resumed>) = 0 [pid 5242] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... futex resumed>) = 1 [pid 5241] <... futex resumed>) = 1 [pid 5237] <... futex resumed>) = 0 [pid 5235] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5234, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5243] <... futex resumed>) = 1 [pid 5242] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5241] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5238] <... futex resumed>) = 0 [pid 5237] exit_group(0 [pid 5235] exit_group(0 [pid 5243] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5242] <... futex resumed>) = ? [pid 5241] <... futex resumed>) = ? [pid 5238] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] <... exit_group resumed>) = ? [pid 5235] <... exit_group resumed>) = ? [pid 5243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5242] +++ exited with 0 +++ [pid 5241] +++ exited with 0 +++ [pid 5238] <... futex resumed>) = 0 [pid 5235] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5070] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5237] +++ exited with 0 +++ ./strace-static-x86_64: Process 5244 attached [pid 5238] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5243] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5237, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5244] set_robust_list(0x555581d606a0, 24 [pid 5243] <... ioctl resumed>) = 0 [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5244] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5245 attached [pid 5244] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5243] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5244 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... restart_syscall resumed>) = 0 [pid 5245] set_robust_list(0x555581d606a0, 24 [pid 5244] <... prctl resumed>) = 0 [pid 5245] <... set_robust_list resumed>) = 0 [pid 5244] setpgid(0, 0 [pid 5245] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5243] <... futex resumed>) = 1 [pid 5238] <... futex resumed>) = 0 [pid 5243] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] <... prctl resumed>) = 0 [pid 5244] <... setpgid resumed>) = 0 [pid 5245] setpgid(0, 0 [pid 5244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5245] <... setpgid resumed>) = 0 [pid 5245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5238] exit_group(0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5246 attached [pid 5243] <... futex resumed>) = ? [pid 5238] <... exit_group resumed>) = ? [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5245 [pid 5244] <... openat resumed>) = 3 [pid 5245] write(3, "1000", 4 [pid 5244] write(3, "1000", 4 [pid 5245] <... write resumed>) = 4 [pid 5244] <... write resumed>) = 4 [pid 5245] close(3 [pid 5244] close(3 [pid 5245] <... close resumed>) = 0 [pid 5244] <... close resumed>) = 0 [pid 5245] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] +++ exited with 0 +++ [pid 5245] <... futex resumed>) = 0 [pid 5244] <... futex resumed>) = 0 [pid 5245] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5244] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5245] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5244] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5245] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5244] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5245] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5245] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5245] <... mmap resumed>) = 0x7ff12c95c000 [pid 5244] <... mmap resumed>) = 0x7ff12c95c000 [pid 5245] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5244] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 5247 attached [pid 5246] set_robust_list(0x555581d606a0, 24 [pid 5245] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5238] +++ exited with 0 +++ [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5246 [pid 5246] <... set_robust_list resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5247] set_robust_list(0x555581d606a0, 24 [pid 5246] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5245] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5244] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5247 [pid 5247] <... set_robust_list resumed>) = 0 [pid 5246] <... prctl resumed>) = 0 [pid 5245] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5246] setpgid(0, 0 [pid 5244] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5248 attached [pid 5247] <... prctl resumed>) = 0 [pid 5246] <... setpgid resumed>) = 0 [pid 5245] <... clone3 resumed> => {parent_tid=[5248]}, 88) = 5248 [pid 5244] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5249 attached [pid 5248] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5247] setpgid(0, 0 [pid 5246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5245] rt_sigprocmask(SIG_SETMASK, [], [pid 5249] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5248] <... rseq resumed>) = 0 [pid 5247] <... setpgid resumed>) = 0 [pid 5246] <... openat resumed>) = 3 [pid 5245] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5249] <... rseq resumed>) = 0 [pid 5248] set_robust_list(0x7ff12c97c9a0, 24 [pid 5247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5246] write(3, "1000", 4 [pid 5245] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... clone3 resumed> => {parent_tid=[5249]}, 88) = 5249 ./strace-static-x86_64: Process 5250 attached [pid 5249] set_robust_list(0x7ff12c97c9a0, 24 [pid 5248] <... set_robust_list resumed>) = 0 [pid 5247] <... openat resumed>) = 3 [pid 5246] <... write resumed>) = 4 [pid 5245] <... futex resumed>) = 0 [pid 5244] rt_sigprocmask(SIG_SETMASK, [], [pid 5250] set_robust_list(0x555581d606a0, 24 [pid 5249] <... set_robust_list resumed>) = 0 [pid 5248] rt_sigprocmask(SIG_SETMASK, [], [pid 5247] write(3, "1000", 4 [pid 5246] close(3 [pid 5245] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5250] <... set_robust_list resumed>) = 0 [pid 5248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5249] rt_sigprocmask(SIG_SETMASK, [], [pid 5248] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5247] <... write resumed>) = 4 [pid 5246] <... close resumed>) = 0 [pid 5244] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5250 [pid 5250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5247] close(3 [pid 5246] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... futex resumed>) = 0 [pid 5249] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5248] <... openat resumed>) = 3 [pid 5247] <... close resumed>) = 0 [pid 5246] <... futex resumed>) = 0 [pid 5250] <... prctl resumed>) = 0 [pid 5244] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5250] setpgid(0, 0 [pid 5249] <... openat resumed>) = 3 [pid 5248] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5250] <... setpgid resumed>) = 0 [pid 5248] <... futex resumed>) = 1 [pid 5247] <... futex resumed>) = 0 [pid 5246] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5245] <... futex resumed>) = 0 [pid 5250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5249] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5246] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5245] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5249] <... futex resumed>) = 1 [pid 5247] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5246] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5245] <... futex resumed>) = 0 [pid 5244] <... futex resumed>) = 0 [pid 5249] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5248] <... ioctl resumed>) = 0 [pid 5247] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5244] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5248] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5246] <... mmap resumed>) = 0x7ff12c95c000 [pid 5245] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5244] <... futex resumed>) = 0 [pid 5249] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5244] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5250] <... openat resumed>) = 3 [pid 5249] <... ioctl resumed>) = 0 [pid 5248] <... futex resumed>) = 0 [pid 5247] <... mmap resumed>) = 0x7ff12c95c000 [pid 5246] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5250] write(3, "1000", 4 [pid 5248] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] <... write resumed>) = 4 [pid 5248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5245] <... futex resumed>) = 0 [pid 5250] close(3 [pid 5248] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5245] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5247] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5249] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] <... close resumed>) = 0 [pid 5248] <... ioctl resumed>) = 0 [pid 5247] <... mprotect resumed>) = 0 [pid 5246] <... mprotect resumed>) = 0 [pid 5244] <... futex resumed>) = 0 [pid 5249] <... futex resumed>) = 1 [pid 5250] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5245] <... futex resumed>) = 0 [pid 5246] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5250] <... futex resumed>) = 0 [pid 5249] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5248] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] exit_group(0 [pid 5244] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5249] <... ioctl resumed>) = 0 [pid 5248] <... futex resumed>) = ? [pid 5247] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5246] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5245] <... exit_group resumed>) = ? [pid 5244] <... futex resumed>) = 0 [pid 5250] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5249] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] +++ exited with 0 +++ [pid 5247] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5246] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5244] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5249] <... futex resumed>) = 0 [pid 5247] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5249] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5252 attached ./strace-static-x86_64: Process 5251 attached [pid 5250] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5244] exit_group(0 [pid 5252] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5251] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5245] +++ exited with 0 +++ [pid 5252] <... rseq resumed>) = 0 [pid 5251] <... rseq resumed>) = 0 [pid 5250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5252] set_robust_list(0x7ff12c97c9a0, 24 [pid 5251] set_robust_list(0x7ff12c97c9a0, 24 [pid 5252] <... set_robust_list resumed>) = 0 [pid 5251] <... set_robust_list resumed>) = 0 [pid 5250] <... mmap resumed>) = 0x7ff12c95c000 [pid 5249] <... futex resumed>) = ? [pid 5247] <... clone3 resumed> => {parent_tid=[5252]}, 88) = 5252 [pid 5246] <... clone3 resumed> => {parent_tid=[5251]}, 88) = 5251 [pid 5244] <... exit_group resumed>) = ? [pid 5252] rt_sigprocmask(SIG_SETMASK, [], [pid 5251] rt_sigprocmask(SIG_SETMASK, [], [pid 5250] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5249] +++ exited with 0 +++ [pid 5247] rt_sigprocmask(SIG_SETMASK, [], [pid 5246] rt_sigprocmask(SIG_SETMASK, [], [pid 5252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5250] <... mprotect resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5245, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5252] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5251] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5250] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5246] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5250] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5247] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5252] <... futex resumed>) = 0 [pid 5251] <... futex resumed>) = 0 [pid 5250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5247] <... futex resumed>) = 1 [pid 5246] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5253 attached [pid 5252] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5251] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5247] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5246] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5244] +++ exited with 0 +++ [pid 5253] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5252] <... openat resumed>) = 3 [pid 5251] <... openat resumed>) = 3 [pid 5250] <... clone3 resumed> => {parent_tid=[5253]}, 88) = 5253 [pid 5252] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] rt_sigprocmask(SIG_SETMASK, [], [pid 5252] <... futex resumed>) = 1 [pid 5251] <... futex resumed>) = 1 [pid 5250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5247] <... futex resumed>) = 0 [pid 5246] <... futex resumed>) = 0 [pid 5253] <... rseq resumed>) = 0 [pid 5253] set_robust_list(0x7ff12c97c9a0, 24 [pid 5252] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5251] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5250] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5253] <... set_robust_list resumed>) = 0 [pid 5252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5250] <... futex resumed>) = 0 [pid 5247] <... futex resumed>) = 0 [pid 5246] <... futex resumed>) = 0 [pid 5253] rt_sigprocmask(SIG_SETMASK, [], [pid 5252] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5251] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5250] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5244, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5252] <... ioctl resumed>) = 0 [pid 5251] <... ioctl resumed>) = 0 [pid 5251] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] <... futex resumed>) = 0 [pid 5252] <... futex resumed>) = 0 [pid 5251] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5252] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5254 attached [pid 5253] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5247] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5246] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5254] set_robust_list(0x555581d606a0, 24 [pid 5253] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5254 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5246] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] <... set_robust_list resumed>) = 0 [pid 5253] <... openat resumed>) = 3 [pid 5251] <... futex resumed>) = 0 [pid 5247] <... futex resumed>) = 1 [pid 5246] <... futex resumed>) = 1 [pid 5254] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5253] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... futex resumed>) = 0 [pid 5251] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5247] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5246] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5254] <... prctl resumed>) = 0 [pid 5253] <... futex resumed>) = 1 [pid 5252] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5251] <... ioctl resumed>) = 0 [pid 5250] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5253] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5250] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] <... futex resumed>) = 0 [pid 5251] <... futex resumed>) = 1 [pid 5250] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5246] <... futex resumed>) = 0 [pid 5254] setpgid(0, 0 [pid 5253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5252] <... ioctl resumed>) = 0 [pid 5251] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5246] exit_group(0 [pid 5254] <... setpgid resumed>) = 0 [pid 5253] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5252] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] <... futex resumed>) = ? [pid 5246] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5255 attached [pid 5254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5253] <... ioctl resumed>) = 0 [pid 5252] <... futex resumed>) = 1 [pid 5251] +++ exited with 0 +++ [pid 5247] <... futex resumed>) = 0 [pid 5246] +++ exited with 0 +++ [pid 5255] set_robust_list(0x555581d606a0, 24 [pid 5253] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5247] exit_group(0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5255 [pid 5255] <... set_robust_list resumed>) = 0 [pid 5254] <... openat resumed>) = 3 [pid 5253] <... futex resumed>) = 1 [pid 5252] <... futex resumed>) = ? [pid 5250] <... futex resumed>) = 0 [pid 5247] <... exit_group resumed>) = ? [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5246, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5253] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5252] +++ exited with 0 +++ [pid 5250] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5254] write(3, "1000", 4 [pid 5250] <... futex resumed>) = 0 [pid 5066] <... restart_syscall resumed>) = 0 [pid 5254] <... write resumed>) = 4 [pid 5253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5250] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5255] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5254] close(3 [pid 5253] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5255] <... prctl resumed>) = 0 [pid 5254] <... close resumed>) = 0 [pid 5253] <... ioctl resumed>) = 0 [pid 5254] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] setpgid(0, 0 [pid 5254] <... futex resumed>) = 0 [pid 5253] <... futex resumed>) = 1 [pid 5255] <... setpgid resumed>) = 0 [pid 5254] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5253] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5250] <... futex resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5256 attached [pid 5255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5254] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5250] exit_group(0 [pid 5247] +++ exited with 0 +++ [pid 5256] set_robust_list(0x555581d606a0, 24 [pid 5254] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5253] <... futex resumed>) = ? [pid 5250] <... exit_group resumed>) = ? [pid 5256] <... set_robust_list resumed>) = 0 [pid 5255] <... openat resumed>) = 3 [pid 5254] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5253] +++ exited with 0 +++ [pid 5250] +++ exited with 0 +++ [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5256 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5255] write(3, "1000", 4 [pid 5254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5254] <... mmap resumed>) = 0x7ff12c95c000 [pid 5256] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5255] <... write resumed>) = 4 [pid 5254] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5256] <... prctl resumed>) = 0 [pid 5255] close(3 [pid 5254] <... mprotect resumed>) = 0 [pid 5254] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5255] <... close resumed>) = 0 [pid 5254] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5257 attached [pid 5256] setpgid(0, 0 [pid 5255] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5257 [pid 5257] set_robust_list(0x555581d606a0, 24 [pid 5256] <... setpgid resumed>) = 0 [pid 5255] <... futex resumed>) = 0 [pid 5254] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5255] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5255] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5257] <... set_robust_list resumed>) = 0 [pid 5257] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5254] <... clone3 resumed> => {parent_tid=[5258]}, 88) = 5258 ./strace-static-x86_64: Process 5258 attached [pid 5257] <... prctl resumed>) = 0 [pid 5256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5255] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5254] rt_sigprocmask(SIG_SETMASK, [], [pid 5257] setpgid(0, 0 [pid 5256] <... openat resumed>) = 3 [pid 5258] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5257] <... setpgid resumed>) = 0 [pid 5255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5254] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5259 attached [pid 5258] <... rseq resumed>) = 0 [pid 5257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5256] write(3, "1000", 4 [pid 5254] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] set_robust_list(0x555581d606a0, 24 [pid 5258] set_robust_list(0x7ff12c97c9a0, 24 [pid 5255] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5254] <... futex resumed>) = 0 [pid 5259] <... set_robust_list resumed>) = 0 [pid 5258] <... set_robust_list resumed>) = 0 [pid 5257] <... openat resumed>) = 3 [pid 5256] <... write resumed>) = 4 [pid 5255] <... mmap resumed>) = 0x7ff12c95c000 [pid 5254] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5259 [pid 5259] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5258] rt_sigprocmask(SIG_SETMASK, [], [pid 5257] write(3, "1000", 4 [pid 5256] close(3 [pid 5255] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5259] <... prctl resumed>) = 0 [pid 5258] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5257] <... write resumed>) = 4 [pid 5259] setpgid(0, 0 [pid 5258] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5257] close(3 [pid 5255] <... mprotect resumed>) = 0 [pid 5259] <... setpgid resumed>) = 0 [pid 5258] <... openat resumed>) = 3 [pid 5257] <... close resumed>) = 0 [pid 5256] <... close resumed>) = 0 [pid 5259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5257] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] <... futex resumed>) = 0 [pid 5256] <... futex resumed>) = 0 [pid 5255] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5259] <... openat resumed>) = 3 [pid 5258] <... futex resumed>) = 1 [pid 5257] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5256] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5255] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5254] <... futex resumed>) = 0 [pid 5258] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5257] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5256] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5255] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5254] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5260 attached [pid 5259] write(3, "1000", 4 [pid 5258] <... ioctl resumed>) = 0 [pid 5257] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5256] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5254] <... futex resumed>) = 0 [pid 5260] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5259] <... write resumed>) = 4 [pid 5258] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5256] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5260] <... rseq resumed>) = 0 [pid 5259] close(3 [pid 5258] <... futex resumed>) = 0 [pid 5257] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5255] <... clone3 resumed> => {parent_tid=[5260]}, 88) = 5260 [pid 5254] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5259] <... close resumed>) = 0 [pid 5258] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5257] <... mmap resumed>) = 0x7ff12c95c000 [pid 5255] rt_sigprocmask(SIG_SETMASK, [], [pid 5254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5260] set_robust_list(0x7ff12c97c9a0, 24 [pid 5259] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5256] <... mmap resumed>) = 0x7ff12c95c000 [pid 5260] <... set_robust_list resumed>) = 0 [pid 5259] <... futex resumed>) = 0 [pid 5256] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5260] rt_sigprocmask(SIG_SETMASK, [], [pid 5259] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5257] <... mprotect resumed>) = 0 [pid 5256] <... mprotect resumed>) = 0 [pid 5255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5254] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5259] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5255] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5258] <... futex resumed>) = 0 [pid 5255] <... futex resumed>) = 0 [pid 5254] <... futex resumed>) = 1 [pid 5260] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5259] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5258] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5257] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5256] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5255] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5254] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5260] <... openat resumed>) = 3 [pid 5259] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5258] <... ioctl resumed>) = 0 [pid 5257] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5256] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5260] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5258] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5261 attached [pid 5260] <... futex resumed>) = 1 [pid 5259] <... mmap resumed>) = 0x7ff12c95c000 [pid 5258] <... futex resumed>) = 1 [pid 5255] <... futex resumed>) = 0 [pid 5254] <... futex resumed>) = 0 [pid 5260] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5259] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5261] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5256] <... clone3 resumed> => {parent_tid=[5261]}, 88) = 5261 ./strace-static-x86_64: Process 5262 attached [pid 5261] <... rseq resumed>) = 0 [pid 5259] <... mprotect resumed>) = 0 [pid 5258] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5256] rt_sigprocmask(SIG_SETMASK, [], [pid 5255] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] exit_group(0 [pid 5262] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5261] set_robust_list(0x7ff12c97c9a0, 24 [pid 5260] <... futex resumed>) = 0 [pid 5258] <... futex resumed>) = ? [pid 5255] <... futex resumed>) = 1 [pid 5254] <... exit_group resumed>) = ? [pid 5259] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5257] <... clone3 resumed> => {parent_tid=[5262]}, 88) = 5262 [pid 5256] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5262] <... rseq resumed>) = 0 [pid 5261] <... set_robust_list resumed>) = 0 [pid 5260] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5259] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5258] +++ exited with 0 +++ [pid 5257] rt_sigprocmask(SIG_SETMASK, [], [pid 5256] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5254] +++ exited with 0 +++ [pid 5262] set_robust_list(0x7ff12c97c9a0, 24 [pid 5261] rt_sigprocmask(SIG_SETMASK, [], [pid 5260] <... ioctl resumed>) = 0 [pid 5259] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5257] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5256] <... futex resumed>) = 0 [pid 5262] <... set_robust_list resumed>) = 0 [pid 5261] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5263 attached [pid 5260] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5261] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5262] rt_sigprocmask(SIG_SETMASK, [], [pid 5260] <... futex resumed>) = 1 [pid 5255] <... futex resumed>) = 0 [pid 5263] <... rseq resumed>) = 0 [pid 5262] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5261] <... openat resumed>) = 3 [pid 5260] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5259] <... clone3 resumed> => {parent_tid=[5263]}, 88) = 5263 [pid 5257] <... futex resumed>) = 0 [pid 5255] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5254, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5263] set_robust_list(0x7ff12c97c9a0, 24 [pid 5262] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5261] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... ioctl resumed>) = 0 [pid 5259] rt_sigprocmask(SIG_SETMASK, [], [pid 5257] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5255] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5261] <... futex resumed>) = 1 [pid 5259] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5256] <... futex resumed>) = 0 [pid 5261] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5259] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] <... openat resumed>) = 3 [pid 5256] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5264 attached [pid 5263] <... set_robust_list resumed>) = 0 [pid 5261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5260] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] <... futex resumed>) = 0 [pid 5256] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5255] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] set_robust_list(0x555581d606a0, 24 [pid 5263] rt_sigprocmask(SIG_SETMASK, [], [pid 5262] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] <... set_robust_list resumed>) = 0 [pid 5264] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5262] <... futex resumed>) = 1 [pid 5261] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5260] <... futex resumed>) = 0 [pid 5259] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5257] <... futex resumed>) = 0 [pid 5255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5264 [pid 5264] <... prctl resumed>) = 0 [pid 5263] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5262] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5261] <... ioctl resumed>) = 0 [pid 5260] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5257] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] exit_group(0 [pid 5264] setpgid(0, 0 [pid 5263] <... openat resumed>) = 3 [pid 5262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5261] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] <... futex resumed>) = 0 [pid 5264] <... setpgid resumed>) = 0 [pid 5257] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5263] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5261] <... futex resumed>) = 1 [pid 5260] <... futex resumed>) = ? [pid 5256] <... futex resumed>) = 0 [pid 5255] <... exit_group resumed>) = ? [pid 5264] <... openat resumed>) = 3 [pid 5263] <... futex resumed>) = 1 [pid 5260] +++ exited with 0 +++ [pid 5259] <... futex resumed>) = 0 [pid 5256] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] write(3, "1000", 4 [pid 5263] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5262] <... ioctl resumed>) = 0 [pid 5261] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5259] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] <... futex resumed>) = 0 [pid 5255] +++ exited with 0 +++ [pid 5264] <... write resumed>) = 4 [pid 5263] <... ioctl resumed>) = 0 [pid 5262] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] <... ioctl resumed>) = 0 [pid 5259] <... futex resumed>) = 0 [pid 5256] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] <... futex resumed>) = 1 [pid 5261] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5255, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5263] <... futex resumed>) = 0 [pid 5262] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5261] <... futex resumed>) = 0 [pid 5259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5263] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5261] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5259] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5259] <... futex resumed>) = 0 [pid 5263] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5259] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] <... ioctl resumed>) = 0 [pid 5263] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] close(3 [pid 5257] <... futex resumed>) = 0 [pid 5256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5264] <... close resumed>) = 0 [pid 5263] <... futex resumed>) = 1 [pid 5259] <... futex resumed>) = 0 [pid 5257] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] exit_group(0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5264] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5262] <... futex resumed>) = 0 [pid 5261] <... futex resumed>) = ? [pid 5259] exit_group(0 [pid 5257] <... futex resumed>) = 1 [pid 5256] <... exit_group resumed>) = ? [pid 5264] <... futex resumed>) = 0 [pid 5263] <... futex resumed>) = ? [pid 5262] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5261] +++ exited with 0 +++ [pid 5259] <... exit_group resumed>) = ? [pid 5257] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5256] +++ exited with 0 +++ [pid 5264] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5263] +++ exited with 0 +++ [pid 5262] <... ioctl resumed>) = 0 [pid 5259] +++ exited with 0 +++ [pid 5264] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5262] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5256, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5264] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5262] <... futex resumed>) = 1 [pid 5257] <... futex resumed>) = 0 [pid 5264] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5264] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5262] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5257] exit_group(0 [pid 5264] <... mmap resumed>) = 0x7ff12c95c000 [pid 5066] <... restart_syscall resumed>) = 0 [pid 5262] <... futex resumed>) = ? [pid 5257] <... exit_group resumed>) = ? [pid 5264] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5262] +++ exited with 0 +++ [pid 5257] +++ exited with 0 +++ [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5259, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5264] <... mprotect resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5257, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5264] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5264] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} => {parent_tid=[5266]}, 88) = 5266 [pid 5264] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5264] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5265 attached [pid 5068] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5267 attached ./strace-static-x86_64: Process 5266 attached [pid 5264] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5265] set_robust_list(0x555581d606a0, 24 [pid 5264] <... futex resumed>) = 0 [pid 5266] <... rseq resumed>) = 0 [pid 5265] <... set_robust_list resumed>) = 0 [pid 5264] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5265 [pid 5266] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5266] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5266] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY./strace-static-x86_64: Process 5268 attached ) = 3 [pid 5268] set_robust_list(0x555581d606a0, 24) = 0 [pid 5266] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] <... futex resumed>) = 0 [pid 5268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5266] <... futex resumed>) = 1 [pid 5264] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5268 [pid 5267] set_robust_list(0x555581d606a0, 24 [pid 5265] <... prctl resumed>) = 0 [pid 5264] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5269 attached [pid 5268] <... prctl resumed>) = 0 [pid 5267] <... set_robust_list resumed>) = 0 [pid 5266] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5265] setpgid(0, 0 [pid 5264] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5269] set_robust_list(0x555581d606a0, 24 [pid 5268] setpgid(0, 0 [pid 5267] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5266] <... ioctl resumed>) = 0 [pid 5265] <... setpgid resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5267 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5269 [pid 5269] <... set_robust_list resumed>) = 0 [pid 5268] <... setpgid resumed>) = 0 [pid 5266] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5266] <... futex resumed>) = 1 [pid 5265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5264] <... futex resumed>) = 0 [pid 5269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5264] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] <... prctl resumed>) = 0 [pid 5268] <... openat resumed>) = 3 [pid 5267] <... prctl resumed>) = 0 [pid 5266] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5264] <... futex resumed>) = 0 [pid 5269] setpgid(0, 0 [pid 5267] setpgid(0, 0 [pid 5265] <... openat resumed>) = 3 [pid 5269] <... setpgid resumed>) = 0 [pid 5268] write(3, "1000", 4 [pid 5267] <... setpgid resumed>) = 0 [pid 5266] <... ioctl resumed>) = 0 [pid 5265] write(3, "1000", 4 [pid 5264] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5268] <... write resumed>) = 4 [pid 5266] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5268] close(3 [pid 5267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5266] <... futex resumed>) = 0 [pid 5265] <... write resumed>) = 4 [pid 5264] exit_group(0 [pid 5268] <... close resumed>) = 0 [pid 5265] close(3 [pid 5264] <... exit_group resumed>) = ? [pid 5269] <... openat resumed>) = 3 [pid 5268] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] <... openat resumed>) = 3 [pid 5266] +++ exited with 0 +++ [pid 5265] <... close resumed>) = 0 [pid 5264] +++ exited with 0 +++ [pid 5268] <... futex resumed>) = 0 [pid 5267] write(3, "1000", 4 [pid 5265] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5267] <... write resumed>) = 4 [pid 5265] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5269] write(3, "1000", 4 [pid 5268] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5267] close(3 [pid 5265] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5270 attached [pid 5269] <... write resumed>) = 4 [pid 5268] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5267] <... close resumed>) = 0 [pid 5265] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5269] close(3 [pid 5268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5265] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5270] set_robust_list(0x555581d606a0, 24 [pid 5269] <... close resumed>) = 0 [pid 5265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5270] <... set_robust_list resumed>) = 0 [pid 5267] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5269] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... mmap resumed>) = 0x7ff12c95c000 [pid 5267] <... futex resumed>) = 0 [pid 5265] <... mmap resumed>) = 0x7ff12c95c000 [pid 5270] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5265] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5268] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5270 [pid 5268] <... mprotect resumed>) = 0 [pid 5270] <... prctl resumed>) = 0 [pid 5269] <... futex resumed>) = 0 [pid 5268] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5267] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5265] <... mprotect resumed>) = 0 [pid 5269] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5268] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5267] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5269] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5267] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5271 attached [pid 5270] setpgid(0, 0 [pid 5269] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5265] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5271] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5270] <... setpgid resumed>) = 0 [pid 5269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5268] <... clone3 resumed> => {parent_tid=[5271]}, 88) = 5271 [pid 5267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5268] rt_sigprocmask(SIG_SETMASK, [], [pid 5270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5267] <... mmap resumed>) = 0x7ff12c95c000 [pid 5271] <... rseq resumed>) = 0 [pid 5269] <... mmap resumed>) = 0x7ff12c95c000 [pid 5268] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5271] set_robust_list(0x7ff12c97c9a0, 24 [pid 5268] <... futex resumed>) = 0 [pid 5267] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5269] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5271] <... set_robust_list resumed>) = 0 [pid 5268] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5269] <... mprotect resumed>) = 0 [pid 5271] rt_sigprocmask(SIG_SETMASK, [], [pid 5267] <... mprotect resumed>) = 0 [pid 5269] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5270] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5272 attached [pid 5270] write(3, "1000", 4 [pid 5272] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5271] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5270] <... write resumed>) = 4 [pid 5272] <... rseq resumed>) = 0 [pid 5270] close(3 [pid 5267] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5272] set_robust_list(0x7ff12c97c9a0, 24 [pid 5270] <... close resumed>) = 0 [pid 5272] <... set_robust_list resumed>) = 0 [pid 5270] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5270] <... futex resumed>) = 0 [pid 5272] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5270] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5269] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5267] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5265] <... clone3 resumed> => {parent_tid=[5272]}, 88) = 5272 [pid 5270] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5269] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5267] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5265] rt_sigprocmask(SIG_SETMASK, [], [pid 5270] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5273 attached ) = 0x7ff12c95c000 [pid 5273] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5270] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5273] <... rseq resumed>) = 0 [pid 5270] <... mprotect resumed>) = 0 [pid 5273] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5273] rt_sigprocmask(SIG_SETMASK, [], [pid 5270] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5273] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5270] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5274 attached [pid 5271] <... openat resumed>) = 3 [pid 5267] <... clone3 resumed> => {parent_tid=[5273]}, 88) = 5273 [pid 5265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5274] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5271] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5269] <... clone3 resumed> => {parent_tid=[5274]}, 88) = 5274 [pid 5267] rt_sigprocmask(SIG_SETMASK, [], [pid 5265] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... rseq resumed>) = 0 [pid 5271] <... futex resumed>) = 1 [pid 5268] <... futex resumed>) = 0 [pid 5271] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5270] <... clone3 resumed> => {parent_tid=[5275]}, 88) = 5275 [pid 5268] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5275 attached [pid 5274] set_robust_list(0x7ff12c97c9a0, 24 [pid 5272] <... futex resumed>) = 0 [pid 5271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5270] rt_sigprocmask(SIG_SETMASK, [], [pid 5269] rt_sigprocmask(SIG_SETMASK, [], [pid 5268] <... futex resumed>) = 0 [pid 5267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5265] <... futex resumed>) = 1 [pid 5275] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5274] <... set_robust_list resumed>) = 0 [pid 5272] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5271] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5268] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5267] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5275] <... rseq resumed>) = 0 [pid 5274] rt_sigprocmask(SIG_SETMASK, [], [pid 5270] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5275] set_robust_list(0x7ff12c97c9a0, 24 [pid 5269] <... futex resumed>) = 0 [pid 5275] <... set_robust_list resumed>) = 0 [pid 5274] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5273] <... futex resumed>) = 0 [pid 5272] <... openat resumed>) = 3 [pid 5271] <... ioctl resumed>) = 0 [pid 5270] <... futex resumed>) = 0 [pid 5269] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5267] <... futex resumed>) = 1 [pid 5275] rt_sigprocmask(SIG_SETMASK, [], [pid 5274] <... openat resumed>) = 3 [pid 5273] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5272] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5271] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5274] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] <... openat resumed>) = 3 [pid 5271] <... futex resumed>) = 1 [pid 5268] <... futex resumed>) = 0 [pid 5267] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5274] <... futex resumed>) = 1 [pid 5273] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] <... futex resumed>) = 1 [pid 5271] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5269] <... futex resumed>) = 0 [pid 5268] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] <... futex resumed>) = 0 [pid 5274] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5273] <... futex resumed>) = 0 [pid 5272] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5271] <... ioctl resumed>) = 0 [pid 5269] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... futex resumed>) = 0 [pid 5267] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5273] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5271] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] <... futex resumed>) = 0 [pid 5268] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5267] <... futex resumed>) = 0 [pid 5265] <... futex resumed>) = 0 [pid 5275] <... openat resumed>) = 3 [pid 5274] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5273] <... ioctl resumed>) = 0 [pid 5272] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5271] <... futex resumed>) = 0 [pid 5269] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5267] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5265] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5275] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... ioctl resumed>) = 0 [pid 5273] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] <... ioctl resumed>) = 0 [pid 5271] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5268] exit_group(0 [pid 5267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5275] <... futex resumed>) = 1 [pid 5274] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] <... futex resumed>) = 0 [pid 5272] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5271] <... futex resumed>) = ? [pid 5270] <... futex resumed>) = 0 [pid 5268] <... exit_group resumed>) = ? [pid 5267] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5275] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5274] <... futex resumed>) = 1 [pid 5273] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5272] <... futex resumed>) = 0 [pid 5271] +++ exited with 0 +++ [pid 5270] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] <... futex resumed>) = 0 [pid 5267] <... futex resumed>) = 0 [pid 5265] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5274] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5273] <... ioctl resumed>) = 0 [pid 5272] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5270] <... futex resumed>) = 0 [pid 5269] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5275] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5270] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5269] <... futex resumed>) = 0 [pid 5268] +++ exited with 0 +++ [pid 5265] <... futex resumed>) = 0 [pid 5269] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5265] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5275] <... ioctl resumed>) = 0 [pid 5274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5273] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] <... ioctl resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5268, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5274] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5273] <... futex resumed>) = 1 [pid 5272] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] <... futex resumed>) = 0 [pid 5275] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... ioctl resumed>) = 0 [pid 5273] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5272] <... futex resumed>) = 1 [pid 5267] exit_group(0 [pid 5265] <... futex resumed>) = 0 [pid 5275] <... futex resumed>) = 1 [pid 5274] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] <... futex resumed>) = ? [pid 5272] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5270] <... futex resumed>) = 0 [pid 5267] <... exit_group resumed>) = ? [pid 5265] exit_group(0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5275] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5274] <... futex resumed>) = 1 [pid 5273] +++ exited with 0 +++ [pid 5272] <... futex resumed>) = ? [pid 5270] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] <... futex resumed>) = 0 [pid 5265] <... exit_group resumed>) = ? [pid 5275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5270] <... futex resumed>) = 0 [pid 5269] exit_group(0 [pid 5275] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5270] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5269] <... exit_group resumed>) = ? [pid 5275] <... ioctl resumed>) = 0 [pid 5275] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5270] <... futex resumed>) = 0 [pid 5270] exit_group(0) = ? [pid 5272] +++ exited with 0 +++ [pid 5265] +++ exited with 0 +++ ./strace-static-x86_64: Process 5276 attached [pid 5275] +++ exited with 0 +++ [pid 5267] +++ exited with 0 +++ [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5276 [pid 5276] set_robust_list(0x555581d606a0, 24 [pid 5274] +++ exited with 0 +++ [pid 5269] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5267, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5276] <... set_robust_list resumed>) = 0 [pid 5276] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5269, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5265, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5276] <... prctl resumed>) = 0 [pid 5276] setpgid(0, 0) = 0 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5270] +++ exited with 0 +++ [pid 5066] <... restart_syscall resumed>) = 0 [pid 5276] <... openat resumed>) = 3 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5270, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5276] write(3, "1000", 4) = 4 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5276] close(3 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5276] <... close resumed>) = 0 [pid 5276] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5276] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, ./strace-static-x86_64: Process 5278 attached ./strace-static-x86_64: Process 5277 attached NULL, 8) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5276] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5278 [pid 5276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5276] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 ./strace-static-x86_64: Process 5279 attached [pid 5278] set_robust_list(0x555581d606a0, 24 [pid 5277] set_robust_list(0x555581d606a0, 24 [pid 5276] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5277 [pid 5278] <... set_robust_list resumed>) = 0 [pid 5279] set_robust_list(0x555581d606a0, 24 [pid 5277] <... set_robust_list resumed>) = 0 [pid 5276] <... mprotect resumed>) = 0 [pid 5279] <... set_robust_list resumed>) = 0 [pid 5277] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5279] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5276] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5277] <... prctl resumed>) = 0 [pid 5278] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5279] <... prctl resumed>) = 0 [pid 5277] setpgid(0, 0 [pid 5276] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5279] setpgid(0, 0 [pid 5277] <... setpgid resumed>) = 0 [pid 5276] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5278] <... prctl resumed>) = 0 [pid 5279] <... setpgid resumed>) = 0 [pid 5277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5279 [pid 5278] setpgid(0, 0./strace-static-x86_64: Process 5281 attached ./strace-static-x86_64: Process 5280 attached [pid 5279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5278] <... setpgid resumed>) = 0 [pid 5277] <... openat resumed>) = 3 [pid 5276] <... clone3 resumed> => {parent_tid=[5281]}, 88) = 5281 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5280 [pid 5281] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5280] set_robust_list(0x555581d606a0, 24 [pid 5279] <... openat resumed>) = 3 [pid 5278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5277] write(3, "1000", 4 [pid 5276] rt_sigprocmask(SIG_SETMASK, [], [pid 5281] <... rseq resumed>) = 0 [pid 5280] <... set_robust_list resumed>) = 0 [pid 5279] write(3, "1000", 4 [pid 5277] <... write resumed>) = 4 [pid 5276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5281] set_robust_list(0x7ff12c97c9a0, 24 [pid 5280] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5279] <... write resumed>) = 4 [pid 5277] close(3 [pid 5276] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] <... set_robust_list resumed>) = 0 [pid 5280] <... prctl resumed>) = 0 [pid 5279] close(3 [pid 5278] <... openat resumed>) = 3 [pid 5277] <... close resumed>) = 0 [pid 5276] <... futex resumed>) = 0 [pid 5281] rt_sigprocmask(SIG_SETMASK, [], [pid 5279] <... close resumed>) = 0 [pid 5277] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5280] setpgid(0, 0 [pid 5279] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] write(3, "1000", 4 [pid 5277] <... futex resumed>) = 0 [pid 5281] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5280] <... setpgid resumed>) = 0 [pid 5278] <... write resumed>) = 4 [pid 5278] close(3 [pid 5281] <... openat resumed>) = 3 [pid 5279] <... futex resumed>) = 0 [pid 5278] <... close resumed>) = 0 [pid 5277] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5281] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5277] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5281] <... futex resumed>) = 1 [pid 5280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5279] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5278] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5276] <... futex resumed>) = 0 [pid 5281] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5279] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5278] <... futex resumed>) = 0 [pid 5277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5276] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5278] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5276] <... futex resumed>) = 0 [pid 5280] <... openat resumed>) = 3 [pid 5281] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5278] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5277] <... mmap resumed>) = 0x7ff12c95c000 [pid 5276] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5281] <... ioctl resumed>) = 0 [pid 5280] write(3, "1000", 4 [pid 5279] <... mmap resumed>) = 0x7ff12c95c000 [pid 5278] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5277] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5281] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5277] <... mprotect resumed>) = 0 [pid 5281] <... futex resumed>) = 1 [pid 5280] <... write resumed>) = 4 [pid 5279] <... mprotect resumed>) = 0 [pid 5278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5276] <... futex resumed>) = 0 [pid 5281] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5280] close(3 [pid 5279] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5278] <... mmap resumed>) = 0x7ff12c95c000 [pid 5277] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5276] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] <... close resumed>) = 0 [pid 5278] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5279] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5277] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5276] <... futex resumed>) = 0 [pid 5281] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5280] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5278] <... mprotect resumed>) = 0 [pid 5277] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5276] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5282 attached ./strace-static-x86_64: Process 5283 attached [pid 5281] <... ioctl resumed>) = 0 [pid 5280] <... futex resumed>) = 0 [pid 5278] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5281] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] <... clone3 resumed> => {parent_tid=[5282]}, 88) = 5282 [pid 5283] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5282] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5280] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5283] <... rseq resumed>) = 0 [pid 5282] <... rseq resumed>) = 0 [pid 5280] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5278] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5283] set_robust_list(0x7ff12c97c9a0, 24 [pid 5282] set_robust_list(0x7ff12c97c9a0, 24 [pid 5280] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5278] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5283] <... set_robust_list resumed>) = 0 [pid 5282] <... set_robust_list resumed>) = 0 [pid 5280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5283] rt_sigprocmask(SIG_SETMASK, [], [pid 5282] rt_sigprocmask(SIG_SETMASK, [], [pid 5280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5284 attached [pid 5283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5282] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5281] <... futex resumed>) = 1 [pid 5279] rt_sigprocmask(SIG_SETMASK, [], [pid 5277] <... clone3 resumed> => {parent_tid=[5283]}, 88) = 5283 [pid 5276] <... futex resumed>) = 0 [pid 5284] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5283] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5282] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5280] <... mmap resumed>) = 0x7ff12c95c000 [pid 5278] <... clone3 resumed> => {parent_tid=[5284]}, 88) = 5284 [pid 5284] <... rseq resumed>) = 0 [pid 5278] rt_sigprocmask(SIG_SETMASK, [], [pid 5280] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5284] set_robust_list(0x7ff12c97c9a0, 24 [pid 5278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5281] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5280] <... mprotect resumed>) = 0 [pid 5279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5284] <... set_robust_list resumed>) = 0 [pid 5278] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] rt_sigprocmask(SIG_SETMASK, [], [pid 5276] exit_group(0 [pid 5279] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] <... futex resumed>) = 0 [pid 5281] <... futex resumed>) = ? [pid 5279] <... futex resumed>) = 1 [pid 5277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5276] <... exit_group resumed>) = ? [pid 5284] rt_sigprocmask(SIG_SETMASK, [], [pid 5282] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5281] +++ exited with 0 +++ [pid 5280] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5279] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5278] <... futex resumed>) = 0 [pid 5277] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5284] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5283] <... futex resumed>) = 0 [pid 5282] <... openat resumed>) = 3 [pid 5277] <... futex resumed>) = 1 [pid 5278] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5283] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5276] +++ exited with 0 +++ [pid 5277] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5276, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5283] <... openat resumed>) = 3 [pid 5282] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] <... openat resumed>) = 3 [pid 5283] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] <... futex resumed>) = 1 [pid 5280] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5279] <... futex resumed>) = 0 [pid 5283] <... futex resumed>) = 1 [pid 5282] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5280] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5279] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] <... futex resumed>) = 0 [pid 5284] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5283] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5279] <... futex resumed>) = 0 [pid 5277] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5284] <... futex resumed>) = 1 [pid 5278] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5285 attached [pid 5284] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5280] <... clone3 resumed> => {parent_tid=[5285]}, 88) = 5285 [pid 5278] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5283] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5282] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5279] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5278] <... futex resumed>) = 0 [pid 5277] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5286 attached [pid 5285] <... rseq resumed>) = 0 [pid 5284] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5283] <... ioctl resumed>) = 0 [pid 5282] <... ioctl resumed>) = 0 [pid 5280] rt_sigprocmask(SIG_SETMASK, [], [pid 5278] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5277] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5285] set_robust_list(0x7ff12c97c9a0, 24 [pid 5286] set_robust_list(0x555581d606a0, 24 [pid 5284] <... ioctl resumed>) = 0 [pid 5283] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5286 [pid 5286] <... set_robust_list resumed>) = 0 [pid 5285] <... set_robust_list resumed>) = 0 [pid 5284] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] rt_sigprocmask(SIG_SETMASK, [], [pid 5284] <... futex resumed>) = 1 [pid 5278] <... futex resumed>) = 0 [pid 5286] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5284] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5283] <... futex resumed>) = 1 [pid 5282] <... futex resumed>) = 1 [pid 5280] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] <... futex resumed>) = 0 [pid 5278] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] <... futex resumed>) = 0 [pid 5286] <... prctl resumed>) = 0 [pid 5285] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5284] <... ioctl resumed>) = 0 [pid 5283] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5282] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5280] <... futex resumed>) = 0 [pid 5279] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] <... futex resumed>) = 0 [pid 5277] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] setpgid(0, 0 [pid 5283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5280] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5278] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5277] <... futex resumed>) = 0 [pid 5286] <... setpgid resumed>) = 0 [pid 5285] <... openat resumed>) = 3 [pid 5284] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5283] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5282] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5279] <... futex resumed>) = 0 [pid 5278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5277] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5283] <... ioctl resumed>) = 0 [pid 5282] <... ioctl resumed>) = 0 [pid 5284] <... futex resumed>) = 0 [pid 5286] <... openat resumed>) = 3 [pid 5285] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5283] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5278] exit_group(0 [pid 5285] <... futex resumed>) = 1 [pid 5279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5278] <... exit_group resumed>) = ? [pid 5284] <... futex resumed>) = ? [pid 5285] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5284] +++ exited with 0 +++ [pid 5283] <... futex resumed>) = 1 [pid 5282] <... futex resumed>) = 0 [pid 5280] <... futex resumed>) = 0 [pid 5279] exit_group(0 [pid 5277] <... futex resumed>) = 0 [pid 5286] write(3, "1000", 4 [pid 5283] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5282] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5280] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] exit_group(0 [pid 5286] <... write resumed>) = 4 [pid 5283] <... futex resumed>) = ? [pid 5280] <... futex resumed>) = 1 [pid 5277] <... exit_group resumed>) = ? [pid 5286] close(3 [pid 5285] <... futex resumed>) = 0 [pid 5283] +++ exited with 0 +++ [pid 5282] <... futex resumed>) = ? [pid 5280] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5279] <... exit_group resumed>) = ? [pid 5278] +++ exited with 0 +++ [pid 5277] +++ exited with 0 +++ [pid 5286] <... close resumed>) = 0 [pid 5285] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5286] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5282] +++ exited with 0 +++ [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5278, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] <... restart_syscall resumed>) = 0 [pid 5286] <... futex resumed>) = 0 [pid 5286] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5286] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5286] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5285] <... ioctl resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5286] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5286] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5286] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5287 attached [pid 5285] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] +++ exited with 0 +++ ./strace-static-x86_64: Process 5288 attached [pid 5287] set_robust_list(0x555581d606a0, 24 [pid 5285] <... futex resumed>) = 1 [pid 5280] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5287 [pid 5288] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5287] <... set_robust_list resumed>) = 0 [pid 5286] <... clone3 resumed> => {parent_tid=[5288]}, 88) = 5288 [pid 5285] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5279, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5280] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5280] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5288] <... rseq resumed>) = 0 [pid 5285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5289 attached [pid 5288] set_robust_list(0x7ff12c97c9a0, 24 [pid 5287] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5286] rt_sigprocmask(SIG_SETMASK, [], [pid 5285] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5289 [pid 5288] <... set_robust_list resumed>) = 0 [pid 5287] <... prctl resumed>) = 0 [pid 5286] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5285] <... ioctl resumed>) = 0 [pid 5289] set_robust_list(0x555581d606a0, 24 [pid 5288] rt_sigprocmask(SIG_SETMASK, [], [pid 5287] setpgid(0, 0 [pid 5286] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] <... set_robust_list resumed>) = 0 [pid 5288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5287] <... setpgid resumed>) = 0 [pid 5286] <... futex resumed>) = 0 [pid 5285] <... futex resumed>) = 1 [pid 5280] <... futex resumed>) = 0 [pid 5289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5288] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5286] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5285] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5280] exit_group(0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5289] <... prctl resumed>) = 0 [pid 5287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5288] <... openat resumed>) = 3 [pid 5285] <... futex resumed>) = ? [pid 5280] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5290 attached [pid 5289] setpgid(0, 0 [pid 5288] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] <... openat resumed>) = 3 [pid 5285] +++ exited with 0 +++ [pid 5280] +++ exited with 0 +++ [pid 5289] <... setpgid resumed>) = 0 [pid 5288] <... futex resumed>) = 1 [pid 5287] write(3, "1000", 4 [pid 5286] <... futex resumed>) = 0 [pid 5288] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5287] <... write resumed>) = 4 [pid 5288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5286] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5280, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5290] set_robust_list(0x555581d606a0, 24 [pid 5289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5288] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5287] close(3 [pid 5286] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5290 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5290] <... set_robust_list resumed>) = 0 [pid 5287] <... close resumed>) = 0 [pid 5288] <... ioctl resumed>) = 0 [pid 5287] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] <... restart_syscall resumed>) = 0 [pid 5290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5289] <... openat resumed>) = 3 [pid 5288] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] <... futex resumed>) = 0 [pid 5286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5290] setpgid(0, 0 [pid 5289] write(3, "1000", 4 [pid 5288] <... futex resumed>) = 0 [pid 5287] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5286] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... setpgid resumed>) = 0 [pid 5289] <... write resumed>) = 4 [pid 5288] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5286] <... futex resumed>) = 0 [pid 5289] close(3 [pid 5288] <... ioctl resumed>) = 0 [pid 5287] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5286] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5289] <... close resumed>) = 0 [pid 5289] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5289] <... futex resumed>) = 0 [pid 5287] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5289] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5289] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5288] <... futex resumed>) = 1 [pid 5287] <... mmap resumed>) = 0x7ff12c95c000 [pid 5286] <... futex resumed>) = 0 [pid 5289] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5287] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5287] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5291 attached [pid 5290] <... openat resumed>) = 3 [pid 5289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5291] set_robust_list(0x555581d606a0, 24 [pid 5290] write(3, "1000", 4 [pid 5289] <... mmap resumed>) = 0x7ff12c95c000 [pid 5288] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5286] exit_group(0 [pid 5287] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5291] <... set_robust_list resumed>) = 0 [pid 5289] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5287] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5291 [pid 5287] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5290] <... write resumed>) = 4 ./strace-static-x86_64: Process 5292 attached [pid 5291] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5289] <... mprotect resumed>) = 0 [pid 5288] <... futex resumed>) = ? [pid 5286] <... exit_group resumed>) = ? [pid 5291] <... prctl resumed>) = 0 [pid 5287] <... clone3 resumed> => {parent_tid=[5292]}, 88) = 5292 [pid 5291] setpgid(0, 0 [pid 5287] rt_sigprocmask(SIG_SETMASK, [], [pid 5291] <... setpgid resumed>) = 0 [pid 5287] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5292] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5290] close(3 [pid 5289] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5288] +++ exited with 0 +++ [pid 5287] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] <... rseq resumed>) = 0 [pid 5287] <... futex resumed>) = 0 [pid 5292] set_robust_list(0x7ff12c97c9a0, 24 [pid 5291] <... openat resumed>) = 3 [pid 5290] <... close resumed>) = 0 [pid 5289] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5287] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5292] <... set_robust_list resumed>) = 0 [pid 5292] rt_sigprocmask(SIG_SETMASK, [], [pid 5291] write(3, "1000", 4 [pid 5290] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5293 attached [pid 5292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5291] <... write resumed>) = 4 [pid 5290] <... futex resumed>) = 0 [pid 5286] +++ exited with 0 +++ [pid 5292] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5291] close(3 [pid 5290] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5292] <... openat resumed>) = 3 [pid 5291] <... close resumed>) = 0 [pid 5290] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5289] <... clone3 resumed> => {parent_tid=[5293]}, 88) = 5293 [pid 5293] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5286, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5293] <... rseq resumed>) = 0 [pid 5292] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5289] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5293] set_robust_list(0x7ff12c97c9a0, 24 [pid 5292] <... futex resumed>) = 1 [pid 5291] <... futex resumed>) = 0 [pid 5290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5287] <... futex resumed>) = 0 [pid 5065] <... restart_syscall resumed>) = 0 [pid 5293] <... set_robust_list resumed>) = 0 [pid 5292] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5291] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5289] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] rt_sigprocmask(SIG_SETMASK, [], [pid 5292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5291] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5290] <... mmap resumed>) = 0x7ff12c95c000 [pid 5289] <... futex resumed>) = 0 [pid 5287] <... futex resumed>) = 0 [pid 5293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5292] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5291] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5289] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5287] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5293] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5293] <... openat resumed>) = 3 [pid 5292] <... ioctl resumed>) = 0 [pid 5292] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] <... futex resumed>) = 1 [pid 5287] <... futex resumed>) = 0 [pid 5293] <... futex resumed>) = 1 [pid 5292] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5287] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5287] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5294 attached [pid 5292] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5287] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5294] set_robust_list(0x555581d606a0, 24 [pid 5292] <... ioctl resumed>) = 0 [pid 5294] <... set_robust_list resumed>) = 0 [pid 5294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5292] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5290] <... mprotect resumed>) = 0 [pid 5289] <... futex resumed>) = 0 [pid 5289] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] <... prctl resumed>) = 0 [pid 5292] <... futex resumed>) = 1 [pid 5287] <... futex resumed>) = 0 [pid 5292] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5287] exit_group(0 [pid 5294] setpgid(0, 0 [pid 5292] <... futex resumed>) = ? [pid 5291] <... mmap resumed>) = 0x7ff12c95c000 [pid 5289] <... futex resumed>) = 1 [pid 5287] <... exit_group resumed>) = ? [pid 5294] <... setpgid resumed>) = 0 [pid 5293] <... futex resumed>) = 0 [pid 5292] +++ exited with 0 +++ [pid 5291] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5290] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5289] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5294 [pid 5294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5287] +++ exited with 0 +++ [pid 5293] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5291] <... mprotect resumed>) = 0 [pid 5294] <... openat resumed>) = 3 [pid 5293] <... ioctl resumed>) = 0 [pid 5291] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5287, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5294] write(3, "1000", 4 [pid 5293] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5290] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5294] <... write resumed>) = 4 [pid 5293] <... futex resumed>) = 1 [pid 5291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5289] <... futex resumed>) = 0 [pid 5294] close(3 [pid 5293] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5294] <... close resumed>) = 0 [pid 5293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5291] <... clone3 resumed> => {parent_tid=[5295]}, 88) = 5295 [pid 5290] <... clone3 resumed> => {parent_tid=[5296]}, 88) = 5296 [pid 5289] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5295 attached ./strace-static-x86_64: Process 5296 attached [pid 5294] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5291] rt_sigprocmask(SIG_SETMASK, [], [pid 5290] rt_sigprocmask(SIG_SETMASK, [], [pid 5289] <... futex resumed>) = 0 [pid 5296] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5295] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5294] <... futex resumed>) = 0 [pid 5293] <... ioctl resumed>) = 0 [pid 5291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5289] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5296] <... rseq resumed>) = 0 [pid 5295] <... rseq resumed>) = 0 [pid 5294] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5293] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5296] set_robust_list(0x7ff12c97c9a0, 24 [pid 5295] set_robust_list(0x7ff12c97c9a0, 24 [pid 5294] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5293] <... futex resumed>) = 0 [pid 5291] <... futex resumed>) = 0 [pid 5290] <... futex resumed>) = 0 [pid 5296] <... set_robust_list resumed>) = 0 [pid 5295] <... set_robust_list resumed>) = 0 [pid 5294] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5293] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5291] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5296] rt_sigprocmask(SIG_SETMASK, [], [pid 5295] rt_sigprocmask(SIG_SETMASK, [], [pid 5294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5289] exit_group(0 [pid 5296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5289] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5297 attached [pid 5294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5293] <... futex resumed>) = ? [pid 5297] set_robust_list(0x555581d606a0, 24 [pid 5296] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5295] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5294] <... mmap resumed>) = 0x7ff12c95c000 [pid 5293] +++ exited with 0 +++ [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5297 [pid 5297] <... set_robust_list resumed>) = 0 [pid 5294] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5297] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5294] <... mprotect resumed>) = 0 [pid 5296] <... openat resumed>) = 3 [pid 5294] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5295] <... openat resumed>) = 3 [pid 5296] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5297] <... prctl resumed>) = 0 [pid 5296] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5294] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5290] <... futex resumed>) = 0 [pid 5297] setpgid(0, 0 [pid 5294] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5290] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5298 attached [pid 5297] <... setpgid resumed>) = 0 [pid 5296] <... futex resumed>) = 0 [pid 5290] <... futex resumed>) = 1 [pid 5298] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5296] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5295] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] <... clone3 resumed> => {parent_tid=[5298]}, 88) = 5298 [pid 5290] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5298] <... rseq resumed>) = 0 [pid 5297] <... openat resumed>) = 3 [pid 5294] rt_sigprocmask(SIG_SETMASK, [], [pid 5298] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5298] rt_sigprocmask(SIG_SETMASK, [], [pid 5297] write(3, "1000", 4 [pid 5294] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5297] <... write resumed>) = 4 [pid 5296] <... ioctl resumed>) = 0 [pid 5294] <... futex resumed>) = 0 [pid 5298] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5297] close(3 [pid 5295] <... futex resumed>) = 1 [pid 5294] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5291] <... futex resumed>) = 0 [pid 5296] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5295] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5298] <... openat resumed>) = 3 [pid 5297] <... close resumed>) = 0 [pid 5296] <... futex resumed>) = 1 [pid 5295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5291] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... futex resumed>) = 0 [pid 5289] +++ exited with 0 +++ [pid 5296] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5295] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5298] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] <... futex resumed>) = 0 [pid 5290] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5289, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5298] <... futex resumed>) = 1 [pid 5297] <... futex resumed>) = 0 [pid 5295] <... ioctl resumed>) = 0 [pid 5294] <... futex resumed>) = 0 [pid 5291] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] <... futex resumed>) = 1 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5298] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5297] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5296] <... futex resumed>) = 0 [pid 5295] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5290] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5297] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5296] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5295] <... futex resumed>) = 0 [pid 5294] <... futex resumed>) = 0 [pid 5291] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5298] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5297] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5295] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5294] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5291] <... futex resumed>) = 0 [pid 5298] <... ioctl resumed>) = 0 [pid 5297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5296] <... ioctl resumed>) = 0 [pid 5295] <... ioctl resumed>) = 0 [pid 5291] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5298] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5296] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5295] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5298] <... futex resumed>) = 1 [pid 5297] <... mmap resumed>) = 0x7ff12c95c000 [pid 5296] <... futex resumed>) = 1 [pid 5295] <... futex resumed>) = 0 [pid 5294] <... futex resumed>) = 0 [pid 5291] exit_group(0 [pid 5290] <... futex resumed>) = 0 [pid 5298] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5297] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5294] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] <... exit_group resumed>) = ? [pid 5290] exit_group(0 [pid 5298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5297] <... mprotect resumed>) = 0 [pid 5294] <... futex resumed>) = 0 [pid 5290] <... exit_group resumed>) = ? [pid 5298] ioctl(3, SNDRV_TIMER_IOCTL_START, 0) = 0 [pid 5297] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5294] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5298] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5298] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5294] exit_group(0 [pid 5298] <... futex resumed>) = ? [pid 5297] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5294] <... exit_group resumed>) = ? [pid 5298] +++ exited with 0 +++ [pid 5297] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5294] +++ exited with 0 +++ ./strace-static-x86_64: Process 5299 attached [pid 5297] <... clone3 resumed> => {parent_tid=[5299]}, 88) = 5299 [pid 5299] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 5297] rt_sigprocmask(SIG_SETMASK, [], [pid 5299] set_robust_list(0x7ff12c97c9a0, 24 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5299] <... set_robust_list resumed>) = 0 [pid 5297] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] +++ exited with 0 +++ [pid 5295] +++ exited with 0 +++ [pid 5291] +++ exited with 0 +++ [pid 5290] +++ exited with 0 +++ [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5299] rt_sigprocmask(SIG_SETMASK, [], [pid 5297] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5291, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5299] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5301 attached [pid 5297] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5300 attached [pid 5299] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5301] set_robust_list(0x555581d606a0, 24 [pid 5300] set_robust_list(0x555581d606a0, 24 [pid 5301] <... set_robust_list resumed>) = 0 [pid 5300] <... set_robust_list resumed>) = 0 [pid 5299] <... openat resumed>) = 3 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5301 [pid 5301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5300 [pid 5301] <... prctl resumed>) = 0 [pid 5300] <... prctl resumed>) = 0 [pid 5299] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5302 attached [pid 5301] setpgid(0, 0 [pid 5300] setpgid(0, 0 [pid 5299] <... futex resumed>) = 1 [pid 5297] <... futex resumed>) = 0 [pid 5301] <... setpgid resumed>) = 0 [pid 5300] <... setpgid resumed>) = 0 [pid 5299] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5297] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5302 ./strace-static-x86_64: Process 5303 attached [pid 5302] set_robust_list(0x555581d606a0, 24 [pid 5301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5297] <... futex resumed>) = 0 [pid 5303] set_robust_list(0x555581d606a0, 24 [pid 5302] <... set_robust_list resumed>) = 0 [pid 5300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5299] <... ioctl resumed>) = 0 [pid 5297] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5303 [pid 5303] <... set_robust_list resumed>) = 0 [pid 5302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5301] <... openat resumed>) = 3 [pid 5299] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5302] <... prctl resumed>) = 0 [pid 5299] <... futex resumed>) = 0 [pid 5297] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] setpgid(0, 0 [pid 5300] <... openat resumed>) = 3 [pid 5299] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5297] <... futex resumed>) = 0 [pid 5302] <... setpgid resumed>) = 0 [pid 5299] <... ioctl resumed>) = 0 [pid 5297] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5299] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] write(3, "1000", 4 [pid 5300] write(3, "1000", 4 [pid 5303] <... prctl resumed>) = 0 [pid 5302] <... openat resumed>) = 3 [pid 5301] <... write resumed>) = 4 [pid 5300] <... write resumed>) = 4 [pid 5299] <... futex resumed>) = 1 [pid 5297] <... futex resumed>) = 0 [pid 5303] setpgid(0, 0 [pid 5301] close(3 [pid 5300] close(3 [pid 5297] exit_group(0 [pid 5303] <... setpgid resumed>) = 0 [pid 5302] write(3, "1000", 4 [pid 5301] <... close resumed>) = 0 [pid 5300] <... close resumed>) = 0 [pid 5297] <... exit_group resumed>) = ? [pid 5303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5302] <... write resumed>) = 4 [pid 5301] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] +++ exited with 0 +++ [pid 5303] <... openat resumed>) = 3 [pid 5302] close(3 [pid 5301] <... futex resumed>) = 0 [pid 5300] <... futex resumed>) = 0 [pid 5302] <... close resumed>) = 0 [pid 5300] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5297] +++ exited with 0 +++ [pid 5301] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5303] write(3, "1000", 4 [pid 5302] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5300] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5297, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5303] <... write resumed>) = 4 [pid 5302] <... futex resumed>) = 0 [pid 5301] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5300] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5303] close(3 [pid 5302] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5300] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] <... restart_syscall resumed>) = 0 [pid 5302] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5303] <... close resumed>) = 0 [pid 5302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5303] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5301] <... mmap resumed>) = 0x7ff12c95c000 [pid 5300] <... mmap resumed>) = 0x7ff12c95c000 ./strace-static-x86_64: Process 5304 attached [pid 5303] <... futex resumed>) = 0 [pid 5302] <... mmap resumed>) = 0x7ff12c95c000 [pid 5301] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5300] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5303] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5301] <... mprotect resumed>) = 0 [pid 5300] <... mprotect resumed>) = 0 [pid 5304] set_robust_list(0x555581d606a0, 24 [pid 5303] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5302] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5300] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5304 [pid 5303] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5301] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5304] <... set_robust_list resumed>) = 0 [pid 5303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5302] <... mprotect resumed>) = 0 [pid 5301] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5300] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5304] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5300] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5302] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5305 attached [pid 5304] <... prctl resumed>) = 0 [pid 5303] <... mmap resumed>) = 0x7ff12c95c000 ./strace-static-x86_64: Process 5306 attached [pid 5305] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5304] setpgid(0, 0 [pid 5302] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5300] <... clone3 resumed> => {parent_tid=[5305]}, 88) = 5305 [pid 5306] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5305] <... rseq resumed>) = 0 [pid 5304] <... setpgid resumed>) = 0 [pid 5302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5303] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5300] rt_sigprocmask(SIG_SETMASK, [], [pid 5306] <... rseq resumed>) = 0 [pid 5305] set_robust_list(0x7ff12c97c9a0, 24 [pid 5304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5303] <... mprotect resumed>) = 0 [pid 5300] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5307 attached [pid 5306] set_robust_list(0x7ff12c97c9a0, 24 [pid 5305] <... set_robust_list resumed>) = 0 [pid 5304] <... openat resumed>) = 3 [pid 5301] <... clone3 resumed> => {parent_tid=[5306]}, 88) = 5306 [pid 5302] <... clone3 resumed> => {parent_tid=[5307]}, 88) = 5307 [pid 5300] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] write(3, "1000", 4 [pid 5302] rt_sigprocmask(SIG_SETMASK, [], [pid 5300] <... futex resumed>) = 0 [pid 5305] rt_sigprocmask(SIG_SETMASK, [], [pid 5303] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5301] rt_sigprocmask(SIG_SETMASK, [], [pid 5307] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5306] <... set_robust_list resumed>) = 0 [pid 5305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5304] <... write resumed>) = 4 [pid 5303] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5300] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5307] <... rseq resumed>) = 0 [pid 5306] rt_sigprocmask(SIG_SETMASK, [], [pid 5304] close(3 [pid 5302] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] set_robust_list(0x7ff12c97c9a0, 24 [pid 5306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5305] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5304] <... close resumed>) = 0 [pid 5302] <... futex resumed>) = 0 [pid 5301] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] <... set_robust_list resumed>) = 0 [pid 5306] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5304] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5302] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5301] <... futex resumed>) = 0 [pid 5304] <... futex resumed>) = 0 [pid 5307] rt_sigprocmask(SIG_SETMASK, [], [pid 5304] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 ./strace-static-x86_64: Process 5308 attached [pid 5307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5304] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5301] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5308] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5308] <... rseq resumed>) = 0 [pid 5304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5308] set_robust_list(0x7ff12c97c9a0, 24 [pid 5304] <... mmap resumed>) = 0x7ff12c95c000 [pid 5308] <... set_robust_list resumed>) = 0 [pid 5308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5304] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5308] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5304] <... mprotect resumed>) = 0 [pid 5304] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5306] <... openat resumed>) = 3 [pid 5304] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5305] <... openat resumed>) = 3 [pid 5307] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5306] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] <... clone3 resumed> => {parent_tid=[5308]}, 88) = 5308 [pid 5307] <... openat resumed>) = 3 [pid 5303] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5309 attached [pid 5306] <... futex resumed>) = 1 [pid 5307] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] <... futex resumed>) = 1 [pid 5303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5301] <... futex resumed>) = 0 [pid 5300] <... futex resumed>) = 0 [pid 5307] <... futex resumed>) = 1 [pid 5305] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5303] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] <... futex resumed>) = 1 [pid 5301] <... futex resumed>) = 0 [pid 5309] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5308] <... futex resumed>) = 0 [pid 5304] <... clone3 resumed> => {parent_tid=[5309]}, 88) = 5309 [pid 5303] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5302] <... futex resumed>) = 0 [pid 5301] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5300] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] <... rseq resumed>) = 0 [pid 5308] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5307] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5306] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5305] <... futex resumed>) = 0 [pid 5304] rt_sigprocmask(SIG_SETMASK, [], [pid 5302] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] <... futex resumed>) = 1 [pid 5309] set_robust_list(0x7ff12c97c9a0, 24 [pid 5308] <... openat resumed>) = 3 [pid 5307] <... ioctl resumed>) = 0 [pid 5306] <... ioctl resumed>) = 0 [pid 5305] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5302] <... futex resumed>) = 0 [pid 5300] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5309] <... set_robust_list resumed>) = 0 [pid 5308] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] <... ioctl resumed>) = 0 [pid 5304] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5309] rt_sigprocmask(SIG_SETMASK, [], [pid 5308] <... futex resumed>) = 1 [pid 5307] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] <... futex resumed>) = 0 [pid 5303] <... futex resumed>) = 0 [pid 5302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5308] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5307] <... futex resumed>) = 0 [pid 5306] <... futex resumed>) = 1 [pid 5305] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5303] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] <... futex resumed>) = 0 [pid 5309] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5307] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5306] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5305] <... futex resumed>) = 1 [pid 5303] <... futex resumed>) = 0 [pid 5302] <... futex resumed>) = 0 [pid 5301] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] <... futex resumed>) = 0 [pid 5309] <... openat resumed>) = 3 [pid 5308] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5302] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5300] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] <... futex resumed>) = 0 [pid 5308] <... ioctl resumed>) = 0 [pid 5307] <... ioctl resumed>) = 0 [pid 5306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5305] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5303] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5300] <... futex resumed>) = 0 [pid 5309] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5305] <... ioctl resumed>) = 0 [pid 5301] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5300] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5309] <... futex resumed>) = 1 [pid 5308] <... futex resumed>) = 1 [pid 5307] <... futex resumed>) = 1 [pid 5306] <... ioctl resumed>) = 0 [pid 5305] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] <... futex resumed>) = 0 [pid 5303] <... futex resumed>) = 0 [pid 5302] <... futex resumed>) = 0 [pid 5300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5309] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5308] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5307] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5305] <... futex resumed>) = 0 [pid 5304] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] exit_group(0 [pid 5300] exit_group(0 [pid 5306] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5307] <... futex resumed>) = ? [pid 5306] <... futex resumed>) = 1 [pid 5304] <... futex resumed>) = 0 [pid 5303] <... futex resumed>) = 0 [pid 5302] <... exit_group resumed>) = ? [pid 5301] <... futex resumed>) = 0 [pid 5300] <... exit_group resumed>) = ? [pid 5309] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5308] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5307] +++ exited with 0 +++ [pid 5306] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5305] +++ exited with 0 +++ [pid 5304] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5303] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5302] +++ exited with 0 +++ [pid 5301] exit_group(0 [pid 5300] +++ exited with 0 +++ [pid 5309] <... ioctl resumed>) = 0 [pid 5308] <... ioctl resumed>) = 0 [pid 5306] <... futex resumed>) = ? [pid 5301] <... exit_group resumed>) = ? [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5309] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] +++ exited with 0 +++ [pid 5309] <... futex resumed>) = 1 [pid 5308] <... futex resumed>) = 1 [pid 5304] <... futex resumed>) = 0 [pid 5309] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5308] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5304] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5304] <... futex resumed>) = 0 [pid 5309] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5304] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5309] <... ioctl resumed>) = 0 [pid 5309] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5304] <... futex resumed>) = 0 [pid 5309] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5304] exit_group(0 [pid 5309] <... futex resumed>) = ? [pid 5304] <... exit_group resumed>) = ? [pid 5309] +++ exited with 0 +++ [pid 5304] +++ exited with 0 +++ [pid 5303] <... futex resumed>) = 0 [pid 5301] +++ exited with 0 +++ [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5300, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5303] exit_group(0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5301, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5308] <... futex resumed>) = ? [pid 5303] <... exit_group resumed>) = ? [pid 5068] <... restart_syscall resumed>) = 0 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5065] <... restart_syscall resumed>) = 0 [pid 5308] +++ exited with 0 +++ [pid 5066] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5310 attached [pid 5303] +++ exited with 0 +++ [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5310 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5310] set_robust_list(0x555581d606a0, 24 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5303, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5311 attached [pid 5310] <... set_robust_list resumed>) = 0 [pid 5311] set_robust_list(0x555581d606a0, 24 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5312 attached ./strace-static-x86_64: Process 5313 attached [pid 5311] <... set_robust_list resumed>) = 0 [pid 5310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5313] set_robust_list(0x555581d606a0, 24 [pid 5312] set_robust_list(0x555581d606a0, 24 [pid 5311] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5312 [pid 5310] <... prctl resumed>) = 0 [pid 5310] setpgid(0, 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5311 [pid 5311] <... prctl resumed>) = 0 [pid 5312] <... set_robust_list resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5311] setpgid(0, 0 [pid 5310] <... setpgid resumed>) = 0 [pid 5310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5313 ./strace-static-x86_64: Process 5314 attached [pid 5313] <... set_robust_list resumed>) = 0 [pid 5312] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5311] <... setpgid resumed>) = 0 [pid 5310] write(3, "1000", 4 [pid 5314] set_robust_list(0x555581d606a0, 24 [pid 5313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5310] <... write resumed>) = 4 [pid 5314] <... set_robust_list resumed>) = 0 [pid 5313] <... prctl resumed>) = 0 [pid 5312] <... prctl resumed>) = 0 [pid 5311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5310] close(3 [pid 5314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5313] setpgid(0, 0 [pid 5312] setpgid(0, 0 [pid 5310] <... close resumed>) = 0 [pid 5310] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] <... prctl resumed>) = 0 [pid 5313] <... setpgid resumed>) = 0 [pid 5312] <... setpgid resumed>) = 0 [pid 5311] <... openat resumed>) = 3 [pid 5310] <... futex resumed>) = 0 [pid 5314] setpgid(0, 0 [pid 5310] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5314] <... setpgid resumed>) = 0 [pid 5312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5310] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5312] <... openat resumed>) = 3 [pid 5310] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5314 [pid 5314] <... openat resumed>) = 3 [pid 5310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5314] write(3, "1000", 4 [pid 5313] <... openat resumed>) = 3 [pid 5312] write(3, "1000", 4 [pid 5311] write(3, "1000", 4 [pid 5310] <... mmap resumed>) = 0x7ff12c95c000 [pid 5314] <... write resumed>) = 4 [pid 5313] write(3, "1000", 4 [pid 5312] <... write resumed>) = 4 [pid 5311] <... write resumed>) = 4 [pid 5310] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5314] close(3 [pid 5313] <... write resumed>) = 4 [pid 5312] close(3 [pid 5311] close(3 [pid 5310] <... mprotect resumed>) = 0 [pid 5314] <... close resumed>) = 0 [pid 5313] close(3 [pid 5312] <... close resumed>) = 0 [pid 5311] <... close resumed>) = 0 [pid 5314] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] <... close resumed>) = 0 [pid 5310] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5314] <... futex resumed>) = 0 [pid 5313] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5313] <... futex resumed>) = 0 [pid 5312] <... futex resumed>) = 0 [pid 5311] <... futex resumed>) = 0 [pid 5310] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5314] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5313] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5310] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5314] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5313] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5312] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5311] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, ./strace-static-x86_64: Process 5315 attached [pid 5314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5313] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5312] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5311] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5315] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5312] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5311] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5310] <... clone3 resumed> => {parent_tid=[5315]}, 88) = 5315 [pid 5315] <... rseq resumed>) = 0 [pid 5314] <... mmap resumed>) = 0x7ff12c95c000 [pid 5313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5310] rt_sigprocmask(SIG_SETMASK, [], [pid 5315] set_robust_list(0x7ff12c97c9a0, 24 [pid 5314] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5313] <... mmap resumed>) = 0x7ff12c95c000 [pid 5312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5315] <... set_robust_list resumed>) = 0 [pid 5314] <... mprotect resumed>) = 0 [pid 5313] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5312] <... mmap resumed>) = 0x7ff12c95c000 [pid 5311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5310] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] rt_sigprocmask(SIG_SETMASK, [], [pid 5314] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5313] <... mprotect resumed>) = 0 [pid 5312] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5311] <... mmap resumed>) = 0x7ff12c95c000 [pid 5310] <... futex resumed>) = 0 [pid 5315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5310] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5314] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5315] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5315] <... openat resumed>) = 3 [pid 5313] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5312] <... mprotect resumed>) = 0 [pid 5311] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5316 attached [pid 5314] <... clone3 resumed> => {parent_tid=[5316]}, 88) = 5316 [pid 5316] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5314] rt_sigprocmask(SIG_SETMASK, [], [pid 5316] <... rseq resumed>) = 0 [pid 5315] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5313] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5311] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5316] set_robust_list(0x7ff12c97c9a0, 24 [pid 5315] <... futex resumed>) = 1 [pid 5314] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5312] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5310] <... futex resumed>) = 0 [pid 5316] <... set_robust_list resumed>) = 0 [pid 5314] <... futex resumed>) = 0 [pid 5311] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5310] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5312] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5314] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5310] <... futex resumed>) = 0 [pid 5310] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5317 attached [pid 5312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5311] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5315] <... ioctl resumed>) = 0 [pid 5317] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5316] rt_sigprocmask(SIG_SETMASK, [], [pid 5317] <... rseq resumed>) = 0 [pid 5316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5317] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5317] rt_sigprocmask(SIG_SETMASK, [], [pid 5316] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5317] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5317] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5318 attached [pid 5315] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5316] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5319 attached [pid 5318] <... rseq resumed>) = 0 [pid 5316] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] <... futex resumed>) = 1 [pid 5313] <... clone3 resumed> => {parent_tid=[5317]}, 88) = 5317 [pid 5312] <... clone3 resumed> => {parent_tid=[5319]}, 88) = 5319 [pid 5311] <... clone3 resumed> => {parent_tid=[5318]}, 88) = 5318 [pid 5310] <... futex resumed>) = 0 [pid 5319] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5318] set_robust_list(0x7ff12c97c9a0, 24 [pid 5316] <... futex resumed>) = 1 [pid 5315] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5314] <... futex resumed>) = 0 [pid 5313] rt_sigprocmask(SIG_SETMASK, [], [pid 5312] rt_sigprocmask(SIG_SETMASK, [], [pid 5311] rt_sigprocmask(SIG_SETMASK, [], [pid 5310] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] <... rseq resumed>) = 0 [pid 5316] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5314] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5310] <... futex resumed>) = 0 [pid 5319] set_robust_list(0x7ff12c97c9a0, 24 [pid 5316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5315] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5314] <... futex resumed>) = 0 [pid 5313] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5319] <... set_robust_list resumed>) = 0 [pid 5318] <... set_robust_list resumed>) = 0 [pid 5317] <... futex resumed>) = 0 [pid 5316] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5315] <... ioctl resumed>) = 0 [pid 5314] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5313] <... futex resumed>) = 1 [pid 5312] <... futex resumed>) = 0 [pid 5311] <... futex resumed>) = 0 [pid 5319] rt_sigprocmask(SIG_SETMASK, [], [pid 5318] rt_sigprocmask(SIG_SETMASK, [], [pid 5317] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5316] <... ioctl resumed>) = 0 [pid 5311] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5312] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5313] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5318] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5317] <... openat resumed>) = 3 [pid 5315] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5318] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3 [pid 5318] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5311] <... futex resumed>) = 0 [pid 5318] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5311] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5311] <... futex resumed>) = 0 [pid 5318] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5317] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] <... futex resumed>) = 1 [pid 5311] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5319] <... openat resumed>) = 3 [pid 5318] <... ioctl resumed>) = 0 [pid 5317] <... futex resumed>) = 1 [pid 5316] <... futex resumed>) = 1 [pid 5315] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5314] <... futex resumed>) = 0 [pid 5313] <... futex resumed>) = 0 [pid 5310] <... futex resumed>) = 0 [pid 5318] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5311] <... futex resumed>) = 0 [pid 5318] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5311] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] exit_group(0 [pid 5313] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5316] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5315] <... futex resumed>) = ? [pid 5314] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] <... futex resumed>) = 0 [pid 5310] <... exit_group resumed>) = ? [pid 5319] <... futex resumed>) = 1 [pid 5315] +++ exited with 0 +++ [pid 5312] <... futex resumed>) = 0 [pid 5318] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5311] <... futex resumed>) = 0 [pid 5318] <... ioctl resumed>) = 0 [pid 5311] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5318] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5318] <... futex resumed>) = 0 [pid 5311] exit_group(0) = ? [pid 5319] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5318] +++ exited with 0 +++ [pid 5317] <... ioctl resumed>) = 0 [pid 5316] <... ioctl resumed>) = 0 [pid 5314] <... futex resumed>) = 0 [pid 5313] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5312] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] +++ exited with 0 +++ [pid 5310] +++ exited with 0 +++ [pid 5319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5312] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5319] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5317] <... futex resumed>) = 0 [pid 5316] <... futex resumed>) = 0 [pid 5314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5313] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5317] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5316] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5314] exit_group(0 [pid 5313] <... futex resumed>) = 0 [pid 5313] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5314] <... exit_group resumed>) = ? [pid 5317] <... ioctl resumed>) = 0 [pid 5316] <... futex resumed>) = ? [pid 5319] <... ioctl resumed>) = 0 [pid 5319] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5319] <... futex resumed>) = 1 [pid 5313] <... futex resumed>) = 0 [pid 5312] <... futex resumed>) = 0 [pid 5317] <... futex resumed>) = 1 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5319] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5317] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5312] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] <... ioctl resumed>) = 0 [pid 5313] exit_group(0 [pid 5319] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... futex resumed>) = 0 [pid 5319] <... futex resumed>) = 0 [pid 5312] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5319] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5312] exit_group(0 [pid 5319] <... futex resumed>) = ? [pid 5312] <... exit_group resumed>) = ? [pid 5319] +++ exited with 0 +++ [pid 5317] <... futex resumed>) = ? [pid 5316] +++ exited with 0 +++ [pid 5314] +++ exited with 0 +++ [pid 5313] <... exit_group resumed>) = ? [pid 5312] +++ exited with 0 +++ [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5320 attached [pid 5320] set_robust_list(0x555581d606a0, 24./strace-static-x86_64: Process 5321 attached [pid 5317] +++ exited with 0 +++ [pid 5313] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5320 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5321] set_robust_list(0x555581d606a0, 24) = 0 [pid 5320] <... set_robust_list resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5321 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5320] setpgid(0, 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5320] <... setpgid resumed>) = 0 [pid 5321] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5322 attached ./strace-static-x86_64: Process 5324 attached [pid 5321] <... prctl resumed>) = 0 [pid 5320] <... openat resumed>) = 3 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5322 [pid 5322] set_robust_list(0x555581d606a0, 24 [pid 5321] setpgid(0, 0./strace-static-x86_64: Process 5323 attached [pid 5324] set_robust_list(0x555581d606a0, 24 [pid 5320] write(3, "1000", 4 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5323 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5324 [pid 5324] <... set_robust_list resumed>) = 0 [pid 5323] set_robust_list(0x555581d606a0, 24 [pid 5322] <... set_robust_list resumed>) = 0 [pid 5321] <... setpgid resumed>) = 0 [pid 5324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5323] <... set_robust_list resumed>) = 0 [pid 5321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5320] <... write resumed>) = 4 [pid 5323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5322] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5320] close(3 [pid 5324] <... prctl resumed>) = 0 [pid 5322] <... prctl resumed>) = 0 [pid 5321] <... openat resumed>) = 3 [pid 5324] setpgid(0, 0) = 0 [pid 5323] <... prctl resumed>) = 0 [pid 5322] setpgid(0, 0 [pid 5321] write(3, "1000", 4 [pid 5320] <... close resumed>) = 0 [pid 5324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5323] setpgid(0, 0 [pid 5322] <... setpgid resumed>) = 0 [pid 5321] <... write resumed>) = 4 [pid 5320] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5323] <... setpgid resumed>) = 0 [pid 5320] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5321] close(3 [pid 5324] <... openat resumed>) = 3 [pid 5323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5320] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5324] write(3, "1000", 4 [pid 5323] <... openat resumed>) = 3 [pid 5322] <... openat resumed>) = 3 [pid 5321] <... close resumed>) = 0 [pid 5320] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5324] <... write resumed>) = 4 [pid 5322] write(3, "1000", 4 [pid 5321] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] close(3 [pid 5322] <... write resumed>) = 4 [pid 5321] <... futex resumed>) = 0 [pid 5324] <... close resumed>) = 0 [pid 5322] close(3 [pid 5321] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5324] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] <... close resumed>) = 0 [pid 5321] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5324] <... futex resumed>) = 0 [pid 5322] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5321] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5322] <... futex resumed>) = 0 [pid 5324] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5324] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5322] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5324] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5322] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5323] write(3, "1000", 4 [pid 5322] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5321] <... mmap resumed>) = 0x7ff12c95c000 [pid 5320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5324] <... mmap resumed>) = 0x7ff12c95c000 [pid 5323] <... write resumed>) = 4 [pid 5320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5324] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5323] close(3 [pid 5322] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5321] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5320] <... mmap resumed>) = 0x7ff12c95c000 [pid 5323] <... close resumed>) = 0 [pid 5322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5320] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5323] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] <... mmap resumed>) = 0x7ff12c95c000 [pid 5321] <... mprotect resumed>) = 0 [pid 5320] <... mprotect resumed>) = 0 [pid 5324] <... mprotect resumed>) = 0 [pid 5323] <... futex resumed>) = 0 [pid 5322] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5320] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5323] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5321] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5323] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5322] <... mprotect resumed>) = 0 [pid 5320] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5324] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5323] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5322] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5321] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5325 attached [pid 5324] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5321] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5325] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5324] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5323] <... mmap resumed>) = 0x7ff12c95c000 [pid 5322] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5320] <... clone3 resumed> => {parent_tid=[5325]}, 88) = 5325 [pid 5325] <... rseq resumed>) = 0 [pid 5323] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5327 attached ./strace-static-x86_64: Process 5326 attached [pid 5325] set_robust_list(0x7ff12c97c9a0, 24 [pid 5323] <... mprotect resumed>) = 0 [pid 5322] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5320] rt_sigprocmask(SIG_SETMASK, [], [pid 5327] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5326] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5325] <... set_robust_list resumed>) = 0 [pid 5323] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5326] <... rseq resumed>) = 0 [pid 5325] rt_sigprocmask(SIG_SETMASK, [], [pid 5324] <... clone3 resumed> => {parent_tid=[5327]}, 88) = 5327 [pid 5321] <... clone3 resumed> => {parent_tid=[5326]}, 88) = 5326 ./strace-static-x86_64: Process 5328 attached [pid 5327] <... rseq resumed>) = 0 [pid 5326] set_robust_list(0x7ff12c97c9a0, 24 [pid 5325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5324] rt_sigprocmask(SIG_SETMASK, [], [pid 5323] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5321] rt_sigprocmask(SIG_SETMASK, [], [pid 5320] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5327] set_robust_list(0x7ff12c97c9a0, 24 [pid 5326] <... set_robust_list resumed>) = 0 [pid 5325] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5324] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5320] <... futex resumed>) = 0 [pid 5328] <... rseq resumed>) = 0 [pid 5327] <... set_robust_list resumed>) = 0 [pid 5326] rt_sigprocmask(SIG_SETMASK, [], [pid 5325] <... openat resumed>) = 3 [pid 5324] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] <... clone3 resumed> => {parent_tid=[5328]}, 88) = 5328 [pid 5321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5320] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5329 attached [pid 5328] set_robust_list(0x7ff12c97c9a0, 24 [pid 5327] rt_sigprocmask(SIG_SETMASK, [], [pid 5326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5325] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] <... futex resumed>) = 0 [pid 5323] <... clone3 resumed> => {parent_tid=[5329]}, 88) = 5329 [pid 5322] rt_sigprocmask(SIG_SETMASK, [], [pid 5321] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5328] <... set_robust_list resumed>) = 0 [pid 5327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5326] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5325] <... futex resumed>) = 1 [pid 5324] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5323] rt_sigprocmask(SIG_SETMASK, [], [pid 5322] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5321] <... futex resumed>) = 0 [pid 5320] <... futex resumed>) = 0 [pid 5329] <... rseq resumed>) = 0 [pid 5328] rt_sigprocmask(SIG_SETMASK, [], [pid 5327] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5326] <... openat resumed>) = 3 [pid 5325] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5322] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5320] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] set_robust_list(0x7ff12c97c9a0, 24 [pid 5328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5327] <... openat resumed>) = 3 [pid 5325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5323] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] <... futex resumed>) = 0 [pid 5320] <... futex resumed>) = 0 [pid 5329] <... set_robust_list resumed>) = 0 [pid 5328] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5327] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5325] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5323] <... futex resumed>) = 0 [pid 5322] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5320] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5329] rt_sigprocmask(SIG_SETMASK, [], [pid 5328] <... openat resumed>) = 3 [pid 5327] <... futex resumed>) = 1 [pid 5326] <... futex resumed>) = 1 [pid 5325] <... ioctl resumed>) = 0 [pid 5324] <... futex resumed>) = 0 [pid 5323] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5321] <... futex resumed>) = 0 [pid 5329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5327] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5324] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5326] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5325] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] <... futex resumed>) = 0 [pid 5321] <... futex resumed>) = 0 [pid 5328] <... futex resumed>) = 1 [pid 5326] <... ioctl resumed>) = 0 [pid 5325] <... futex resumed>) = 1 [pid 5320] <... futex resumed>) = 0 [pid 5328] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5326] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5325] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5320] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] <... futex resumed>) = 0 [pid 5325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5320] <... futex resumed>) = 0 [pid 5326] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5325] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5320] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5325] <... ioctl resumed>) = 0 [pid 5325] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... futex resumed>) = 0 [pid 5325] <... futex resumed>) = 1 [pid 5320] exit_group(0) = ? [pid 5329] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5327] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5325] +++ exited with 0 +++ [pid 5324] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5322] <... futex resumed>) = 0 [pid 5321] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5320] +++ exited with 0 +++ [pid 5322] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5329] <... openat resumed>) = 3 [pid 5328] <... futex resumed>) = 0 [pid 5327] <... ioctl resumed>) = 0 [pid 5322] <... futex resumed>) = 1 [pid 5321] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5327] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5321] <... futex resumed>) = 1 [pid 5329] <... futex resumed>) = 1 [pid 5327] <... futex resumed>) = 1 [pid 5324] <... futex resumed>) = 0 [pid 5321] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5329] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5327] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5324] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5324] <... futex resumed>) = 0 [pid 5328] <... ioctl resumed>) = 0 [pid 5327] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5326] <... futex resumed>) = 0 [pid 5324] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5323] <... futex resumed>) = 0 [pid 5328] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5323] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] <... futex resumed>) = 1 [pid 5326] <... ioctl resumed>) = 0 [pid 5323] <... futex resumed>) = 1 [pid 5322] <... futex resumed>) = 0 [pid 5328] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5326] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5330 attached [pid 5329] <... futex resumed>) = 0 [pid 5327] <... ioctl resumed>) = 0 [pid 5326] <... futex resumed>) = 1 [pid 5322] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] <... futex resumed>) = 0 [pid 5329] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5328] <... futex resumed>) = 0 [pid 5327] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5322] <... futex resumed>) = 1 [pid 5330] set_robust_list(0x555581d606a0, 24 [pid 5329] <... ioctl resumed>) = 0 [pid 5328] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5327] <... futex resumed>) = 1 [pid 5324] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5330 [pid 5330] <... set_robust_list resumed>) = 0 [pid 5329] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5321] exit_group(0 [pid 5330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5329] <... futex resumed>) = 1 [pid 5328] <... ioctl resumed>) = 0 [pid 5324] exit_group(0 [pid 5323] <... futex resumed>) = 0 [pid 5322] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5330] <... prctl resumed>) = 0 [pid 5329] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5328] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] <... futex resumed>) = ? [pid 5326] <... futex resumed>) = ? [pid 5324] <... exit_group resumed>) = ? [pid 5323] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] <... exit_group resumed>) = ? [pid 5330] setpgid(0, 0 [pid 5329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5328] <... futex resumed>) = 0 [pid 5327] +++ exited with 0 +++ [pid 5326] +++ exited with 0 +++ [pid 5323] <... futex resumed>) = 0 [pid 5322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5330] <... setpgid resumed>) = 0 [pid 5329] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5328] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5323] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5322] exit_group(0 [pid 5328] <... futex resumed>) = ? [pid 5322] <... exit_group resumed>) = ? [pid 5329] <... ioctl resumed>) = 0 [pid 5328] +++ exited with 0 +++ [pid 5321] +++ exited with 0 +++ [pid 5324] +++ exited with 0 +++ [pid 5330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5329] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5321, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5329] <... futex resumed>) = 1 [pid 5329] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5323] <... futex resumed>) = 0 [pid 5330] <... openat resumed>) = 3 [pid 5323] exit_group(0) = ? [pid 5322] +++ exited with 0 +++ [pid 5330] write(3, "1000", 4 [pid 5329] <... futex resumed>) = ? [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5330] <... write resumed>) = 4 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5331 attached [pid 5329] +++ exited with 0 +++ [pid 5323] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5322, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5331] set_robust_list(0x555581d606a0, 24 [pid 5330] close(3 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5331 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5072] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5332 attached [pid 5331] <... set_robust_list resumed>) = 0 [pid 5330] <... close resumed>) = 0 [pid 5332] set_robust_list(0x555581d606a0, 24 [pid 5331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5333 attached [pid 5332] <... set_robust_list resumed>) = 0 [pid 5331] <... prctl resumed>) = 0 [pid 5330] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5332 [pid 5331] setpgid(0, 0 [pid 5330] <... futex resumed>) = 0 [pid 5333] set_robust_list(0x555581d606a0, 24 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5331] <... setpgid resumed>) = 0 [pid 5330] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5330] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5330] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5333 ./strace-static-x86_64: Process 5334 attached [pid 5333] <... set_robust_list resumed>) = 0 [pid 5332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5331] <... openat resumed>) = 3 [pid 5330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5334] set_robust_list(0x555581d606a0, 24 [pid 5333] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5332] <... prctl resumed>) = 0 [pid 5330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5334 [pid 5334] <... set_robust_list resumed>) = 0 [pid 5333] <... prctl resumed>) = 0 [pid 5332] setpgid(0, 0 [pid 5331] write(3, "1000", 4 [pid 5330] <... mmap resumed>) = 0x7ff12c95c000 [pid 5334] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5333] setpgid(0, 0 [pid 5332] <... setpgid resumed>) = 0 [pid 5331] <... write resumed>) = 4 [pid 5334] <... prctl resumed>) = 0 [pid 5333] <... setpgid resumed>) = 0 [pid 5332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5331] close(3 [pid 5330] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5334] setpgid(0, 0 [pid 5333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5331] <... close resumed>) = 0 [pid 5330] <... mprotect resumed>) = 0 [pid 5334] <... setpgid resumed>) = 0 [pid 5331] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5333] <... openat resumed>) = 3 [pid 5332] <... openat resumed>) = 3 [pid 5331] <... futex resumed>) = 0 [pid 5330] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5331] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5333] write(3, "1000", 4 [pid 5332] write(3, "1000", 4) = 4 [pid 5333] <... write resumed>) = 4 [pid 5332] close(3 [pid 5333] close(3 [pid 5332] <... close resumed>) = 0 [pid 5333] <... close resumed>) = 0 [pid 5332] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] <... openat resumed>) = 3 [pid 5333] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] <... futex resumed>) = 0 [pid 5331] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5330] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5334] write(3, "1000", 4 [pid 5333] <... futex resumed>) = 0 [pid 5332] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5331] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5334] <... write resumed>) = 4 [pid 5333] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5332] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5330] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5334] close(3 [pid 5333] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5332] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5331] <... mmap resumed>) = 0x7ff12c95c000 ./strace-static-x86_64: Process 5335 attached [pid 5334] <... close resumed>) = 0 [pid 5333] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5332] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5331] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5335] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5334] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5331] <... mprotect resumed>) = 0 [pid 5335] <... rseq resumed>) = 0 [pid 5334] <... futex resumed>) = 0 [pid 5333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5330] <... clone3 resumed> => {parent_tid=[5335]}, 88) = 5335 [pid 5335] set_robust_list(0x7ff12c97c9a0, 24 [pid 5334] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5335] <... set_robust_list resumed>) = 0 [pid 5334] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5333] <... mmap resumed>) = 0x7ff12c95c000 [pid 5330] rt_sigprocmask(SIG_SETMASK, [], [pid 5335] rt_sigprocmask(SIG_SETMASK, [], [pid 5334] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5333] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5335] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5332] <... mmap resumed>) = 0x7ff12c95c000 [pid 5330] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] <... mprotect resumed>) = 0 [pid 5335] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5333] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5332] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5331] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5330] <... futex resumed>) = 0 [pid 5334] <... mmap resumed>) = 0x7ff12c95c000 [pid 5331] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5335] <... openat resumed>) = 3 [pid 5331] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5334] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5332] <... mprotect resumed>) = 0 [pid 5330] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5333] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5335] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5335] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5336 attached [pid 5334] <... mprotect resumed>) = 0 [pid 5332] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5331] <... clone3 resumed> => {parent_tid=[5336]}, 88) = 5336 [pid 5330] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080./strace-static-x86_64: Process 5337 attached [pid 5336] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5334] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5332] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5331] rt_sigprocmask(SIG_SETMASK, [], [pid 5330] <... futex resumed>) = 0 [pid 5337] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5336] <... rseq resumed>) = 0 [pid 5335] <... ioctl resumed>) = 0 [pid 5334] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5333] <... clone3 resumed> => {parent_tid=[5337]}, 88) = 5337 [pid 5332] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5331] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5336] set_robust_list(0x7ff12c97c9a0, 24 [pid 5334] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5331] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] <... set_robust_list resumed>) = 0 [pid 5331] <... futex resumed>) = 0 [pid 5336] rt_sigprocmask(SIG_SETMASK, [], [pid 5331] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5338 attached [pid 5336] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5339 attached [pid 5338] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5337] <... rseq resumed>) = 0 [pid 5336] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5335] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] rt_sigprocmask(SIG_SETMASK, [], [pid 5330] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5339] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5338] <... rseq resumed>) = 0 [pid 5337] set_robust_list(0x7ff12c97c9a0, 24 [pid 5335] <... futex resumed>) = 0 [pid 5337] <... set_robust_list resumed>) = 0 [pid 5335] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5337] rt_sigprocmask(SIG_SETMASK, [], [pid 5334] <... clone3 resumed> => {parent_tid=[5338]}, 88) = 5338 [pid 5333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5332] <... clone3 resumed> => {parent_tid=[5339]}, 88) = 5339 [pid 5330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5337] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5334] rt_sigprocmask(SIG_SETMASK, [], [pid 5333] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] rt_sigprocmask(SIG_SETMASK, [], [pid 5330] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] <... futex resumed>) = 0 [pid 5335] <... futex resumed>) = 0 [pid 5334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5330] <... futex resumed>) = 1 [pid 5337] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5335] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5334] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5332] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5330] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5339] <... rseq resumed>) = 0 [pid 5338] set_robust_list(0x7ff12c97c9a0, 24 [pid 5336] <... openat resumed>) = 3 [pid 5335] <... ioctl resumed>) = 0 [pid 5334] <... futex resumed>) = 0 [pid 5332] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] set_robust_list(0x7ff12c97c9a0, 24 [pid 5338] <... set_robust_list resumed>) = 0 [pid 5336] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] <... set_robust_list resumed>) = 0 [pid 5338] rt_sigprocmask(SIG_SETMASK, [], [pid 5336] <... futex resumed>) = 1 [pid 5331] <... futex resumed>) = 0 [pid 5339] rt_sigprocmask(SIG_SETMASK, [], [pid 5338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5336] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5331] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5338] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5331] <... futex resumed>) = 0 [pid 5339] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5338] <... openat resumed>) = 3 [pid 5336] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5331] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5339] <... openat resumed>) = 3 [pid 5338] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] <... ioctl resumed>) = 0 [pid 5339] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5338] <... futex resumed>) = 0 [pid 5336] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] <... futex resumed>) = 0 [pid 5338] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5336] <... futex resumed>) = 1 [pid 5331] <... futex resumed>) = 0 [pid 5339] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5336] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5331] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5331] <... futex resumed>) = 0 [pid 5336] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5331] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] <... ioctl resumed>) = 0 [pid 5336] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] <... futex resumed>) = 0 [pid 5331] exit_group(0) = ? [pid 5336] <... futex resumed>) = ? [pid 5339] <... futex resumed>) = 0 [pid 5337] <... openat resumed>) = 3 [pid 5335] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5332] <... futex resumed>) = 1 [pid 5339] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5336] +++ exited with 0 +++ [pid 5335] <... futex resumed>) = 1 [pid 5334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5332] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5331] +++ exited with 0 +++ [pid 5330] <... futex resumed>) = 0 [pid 5337] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5337] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5333] <... futex resumed>) = 0 [pid 5334] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5338] <... futex resumed>) = 0 [pid 5337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5335] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5334] <... futex resumed>) = 1 [pid 5333] <... futex resumed>) = 0 [pid 5332] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] exit_group(0 [pid 5338] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5337] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5339] <... futex resumed>) = 0 [pid 5338] <... ioctl resumed>) = 0 [pid 5337] <... ioctl resumed>) = 0 [pid 5335] <... futex resumed>) = ? [pid 5334] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5333] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5332] <... futex resumed>) = 1 [pid 5330] <... exit_group resumed>) = ? [pid 5339] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5338] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] +++ exited with 0 +++ [pid 5334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5339] <... ioctl resumed>) = 0 [pid 5338] <... futex resumed>) = 0 [pid 5337] <... futex resumed>) = 0 [pid 5339] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5338] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5337] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5339] <... futex resumed>) = 0 [pid 5338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5334] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5332] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5338] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5334] <... futex resumed>) = 0 [pid 5333] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5339] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5338] <... ioctl resumed>) = 0 [pid 5337] <... futex resumed>) = 0 [pid 5334] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5333] <... futex resumed>) = 1 [pid 5332] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5338] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5339] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5338] <... futex resumed>) = 0 [pid 5334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5333] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5332] <... futex resumed>) = 0 [pid 5330] +++ exited with 0 +++ [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5339] <... ioctl resumed>) = 0 [pid 5338] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5337] <... ioctl resumed>) = 0 [pid 5332] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5339] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5334] exit_group(0 [pid 5339] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5337] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5338] <... futex resumed>) = ? [pid 5334] <... exit_group resumed>) = ? [pid 5332] exit_group(0 [pid 5338] +++ exited with 0 +++ [pid 5337] <... futex resumed>) = 1 [pid 5337] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5339] <... futex resumed>) = ? [pid 5332] <... exit_group resumed>) = ? [pid 5339] +++ exited with 0 +++ [pid 5333] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5340 attached [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5340 [pid 5340] set_robust_list(0x555581d606a0, 24) = 0 [pid 5340] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5334] +++ exited with 0 +++ [pid 5333] exit_group(0 [pid 5332] +++ exited with 0 +++ [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5340] <... prctl resumed>) = 0 [pid 5337] <... futex resumed>) = ? [pid 5333] <... exit_group resumed>) = ? [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5334, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5340] setpgid(0, 0 [pid 5337] +++ exited with 0 +++ [pid 5340] <... setpgid resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5332, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5340] write(3, "1000", 4) = 4 [pid 5340] close(3) = 0 [pid 5340] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5333] +++ exited with 0 +++ [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5333, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5340] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5340] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5341 [pid 5340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5340] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5343 attached ./strace-static-x86_64: Process 5342 attached ./strace-static-x86_64: Process 5341 attached ) = 0 [pid 5343] set_robust_list(0x555581d606a0, 24 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5342 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5343 [pid 5341] set_robust_list(0x555581d606a0, 24 [pid 5343] <... set_robust_list resumed>) = 0 [pid 5342] set_robust_list(0x555581d606a0, 24 [pid 5341] <... set_robust_list resumed>) = 0 [pid 5340] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5342] <... set_robust_list resumed>) = 0 [pid 5341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5343] <... prctl resumed>) = 0 [pid 5342] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5341] <... prctl resumed>) = 0 [pid 5340] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5343] setpgid(0, 0 [pid 5341] setpgid(0, 0./strace-static-x86_64: Process 5344 attached [pid 5343] <... setpgid resumed>) = 0 [pid 5342] <... prctl resumed>) = 0 [pid 5341] <... setpgid resumed>) = 0 [pid 5344] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5342] setpgid(0, 0 [pid 5341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5340] <... clone3 resumed> => {parent_tid=[5344]}, 88) = 5344 [pid 5344] <... rseq resumed>) = 0 [pid 5343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5342] <... setpgid resumed>) = 0 [pid 5340] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5345 attached [pid 5344] set_robust_list(0x7ff12c97c9a0, 24 [pid 5343] <... openat resumed>) = 3 [pid 5342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5341] <... openat resumed>) = 3 [pid 5340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5345] set_robust_list(0x555581d606a0, 24 [pid 5344] <... set_robust_list resumed>) = 0 [pid 5341] write(3, "1000", 4 [pid 5345] <... set_robust_list resumed>) = 0 [pid 5344] rt_sigprocmask(SIG_SETMASK, [], [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5345 [pid 5344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5341] <... write resumed>) = 4 [pid 5344] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5343] write(3, "1000", 4 [pid 5341] close(3 [pid 5340] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] <... prctl resumed>) = 0 [pid 5344] <... futex resumed>) = 0 [pid 5343] <... write resumed>) = 4 [pid 5342] <... openat resumed>) = 3 [pid 5341] <... close resumed>) = 0 [pid 5340] <... futex resumed>) = 1 [pid 5345] setpgid(0, 0 [pid 5344] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5343] close(3 [pid 5342] write(3, "1000", 4 [pid 5341] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5343] <... close resumed>) = 0 [pid 5343] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] <... write resumed>) = 4 [pid 5341] <... futex resumed>) = 0 [pid 5343] <... futex resumed>) = 0 [pid 5343] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5342] close(3 [pid 5341] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5345] <... setpgid resumed>) = 0 [pid 5344] <... openat resumed>) = 3 [pid 5343] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5344] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] <... close resumed>) = 0 [pid 5341] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5344] <... futex resumed>) = 1 [pid 5343] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5341] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5340] <... futex resumed>) = 0 [pid 5345] <... openat resumed>) = 3 [pid 5344] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5342] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] write(3, "1000", 4 [pid 5344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5342] <... futex resumed>) = 0 [pid 5341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5340] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] <... write resumed>) = 4 [pid 5344] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5343] <... mmap resumed>) = 0x7ff12c95c000 [pid 5342] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5340] <... futex resumed>) = 0 [pid 5345] close(3 [pid 5344] <... ioctl resumed>) = 0 [pid 5343] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5342] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5341] <... mmap resumed>) = 0x7ff12c95c000 [pid 5340] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5345] <... close resumed>) = 0 [pid 5344] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] <... mprotect resumed>) = 0 [pid 5342] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5341] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5345] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5344] <... futex resumed>) = 0 [pid 5342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5341] <... mprotect resumed>) = 0 [pid 5340] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] <... futex resumed>) = 0 [pid 5344] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5343] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5340] <... futex resumed>) = 0 [pid 5345] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5344] <... ioctl resumed>) = 0 [pid 5345] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5342] <... mmap resumed>) = 0x7ff12c95c000 [pid 5344] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5342] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5344] <... futex resumed>) = 0 [pid 5345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5344] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5343] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5342] <... mprotect resumed>) = 0 [pid 5341] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5340] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5345] <... mmap resumed>) = 0x7ff12c95c000 [pid 5343] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5341] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5346 attached [pid 5345] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5342] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5340] exit_group(0 [pid 5346] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5345] <... mprotect resumed>) = 0 [pid 5344] <... futex resumed>) = ? [pid 5343] <... clone3 resumed> => {parent_tid=[5346]}, 88) = 5346 [pid 5342] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5340] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5347 attached [pid 5346] <... rseq resumed>) = 0 [pid 5345] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5344] +++ exited with 0 +++ [pid 5343] rt_sigprocmask(SIG_SETMASK, [], [pid 5342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5340] +++ exited with 0 +++ [pid 5347] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5346] set_robust_list(0x7ff12c97c9a0, 24 [pid 5345] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5340, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5348 attached [pid 5347] <... rseq resumed>) = 0 [pid 5346] <... set_robust_list resumed>) = 0 [pid 5345] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5343] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] <... clone3 resumed> => {parent_tid=[5348]}, 88) = 5348 [pid 5341] <... clone3 resumed> => {parent_tid=[5347]}, 88) = 5347 ./strace-static-x86_64: Process 5349 attached [pid 5348] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5347] set_robust_list(0x7ff12c97c9a0, 24 [pid 5346] rt_sigprocmask(SIG_SETMASK, [], [pid 5343] <... futex resumed>) = 0 [pid 5342] rt_sigprocmask(SIG_SETMASK, [], [pid 5341] rt_sigprocmask(SIG_SETMASK, [], [pid 5349] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5346] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5345] <... clone3 resumed> => {parent_tid=[5349]}, 88) = 5349 [pid 5342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5349] <... rseq resumed>) = 0 [pid 5345] rt_sigprocmask(SIG_SETMASK, [], [pid 5342] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5349] set_robust_list(0x7ff12c97c9a0, 24 [pid 5348] <... rseq resumed>) = 0 [pid 5347] <... set_robust_list resumed>) = 0 [pid 5346] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5343] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5342] <... futex resumed>) = 0 [pid 5341] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5350 attached [pid 5349] <... set_robust_list resumed>) = 0 [pid 5348] set_robust_list(0x7ff12c97c9a0, 24 [pid 5347] rt_sigprocmask(SIG_SETMASK, [], [pid 5346] <... openat resumed>) = 3 [pid 5345] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5341] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5350] set_robust_list(0x555581d606a0, 24 [pid 5349] rt_sigprocmask(SIG_SETMASK, [], [pid 5348] <... set_robust_list resumed>) = 0 [pid 5347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5346] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5350] <... set_robust_list resumed>) = 0 [pid 5345] <... futex resumed>) = 0 [pid 5346] <... futex resumed>) = 1 [pid 5346] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5345] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5349] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5350] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5349] <... openat resumed>) = 3 [pid 5348] rt_sigprocmask(SIG_SETMASK, [], [pid 5347] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5343] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5350 [pid 5350] <... prctl resumed>) = 0 [pid 5349] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5348] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5347] <... openat resumed>) = 3 [pid 5343] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5350] setpgid(0, 0 [pid 5349] <... futex resumed>) = 1 [pid 5348] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5347] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] <... futex resumed>) = 0 [pid 5343] <... futex resumed>) = 1 [pid 5350] <... setpgid resumed>) = 0 [pid 5349] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5348] <... openat resumed>) = 3 [pid 5347] <... futex resumed>) = 1 [pid 5346] <... futex resumed>) = 0 [pid 5345] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5341] <... futex resumed>) = 0 [pid 5350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5348] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5346] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5345] <... futex resumed>) = 0 [pid 5350] <... openat resumed>) = 3 [pid 5349] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5348] <... futex resumed>) = 1 [pid 5345] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5342] <... futex resumed>) = 0 [pid 5341] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] <... ioctl resumed>) = 0 [pid 5350] write(3, "1000", 4 [pid 5349] <... ioctl resumed>) = 0 [pid 5348] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5350] <... write resumed>) = 4 [pid 5349] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] <... futex resumed>) = 1 [pid 5350] close(3 [pid 5349] <... futex resumed>) = 1 [pid 5348] <... futex resumed>) = 0 [pid 5347] <... futex resumed>) = 0 [pid 5346] <... futex resumed>) = 1 [pid 5345] <... futex resumed>) = 0 [pid 5343] <... futex resumed>) = 0 [pid 5342] <... futex resumed>) = 1 [pid 5350] <... close resumed>) = 0 [pid 5349] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5348] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5347] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5343] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5341] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5346] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5345] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5350] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5348] <... ioctl resumed>) = 0 [pid 5347] <... ioctl resumed>) = 0 [pid 5343] <... futex resumed>) = 0 [pid 5346] <... ioctl resumed>) = 0 [pid 5345] <... futex resumed>) = 0 [pid 5350] <... futex resumed>) = 0 [pid 5349] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5348] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5343] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5350] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5349] <... ioctl resumed>) = 0 [pid 5348] <... futex resumed>) = 1 [pid 5347] <... futex resumed>) = 1 [pid 5346] <... futex resumed>) = 0 [pid 5343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5342] <... futex resumed>) = 0 [pid 5341] <... futex resumed>) = 0 [pid 5350] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5349] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5348] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5347] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5346] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5343] exit_group(0 [pid 5350] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5349] <... futex resumed>) = 1 [pid 5347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5346] <... futex resumed>) = ? [pid 5345] <... futex resumed>) = 0 [pid 5343] <... exit_group resumed>) = ? [pid 5342] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5350] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5349] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5347] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5345] exit_group(0 [pid 5341] <... futex resumed>) = 0 [pid 5348] <... futex resumed>) = 0 [pid 5347] <... ioctl resumed>) = 0 [pid 5342] <... futex resumed>) = 1 [pid 5348] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5347] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5348] <... ioctl resumed>) = 0 [pid 5348] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] <... futex resumed>) = 0 [pid 5348] <... futex resumed>) = 1 [pid 5347] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5342] <... futex resumed>) = 0 [pid 5342] exit_group(0) = ? [pid 5350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5349] <... futex resumed>) = ? [pid 5348] +++ exited with 0 +++ [pid 5346] +++ exited with 0 +++ [pid 5345] <... exit_group resumed>) = ? [pid 5343] +++ exited with 0 +++ [pid 5341] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5349] +++ exited with 0 +++ [pid 5345] +++ exited with 0 +++ [pid 5350] <... mmap resumed>) = 0x7ff12c95c000 [pid 5341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5343, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5350] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5341] exit_group(0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5345, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5341] <... exit_group resumed>) = ? [pid 5065] <... restart_syscall resumed>) = 0 [pid 5347] <... futex resumed>) = ? [pid 5350] <... mprotect resumed>) = 0 [pid 5347] +++ exited with 0 +++ [pid 5341] +++ exited with 0 +++ [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5350] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5342] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5352 attached ./strace-static-x86_64: Process 5351 attached [pid 5350] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5352] set_robust_list(0x555581d606a0, 24 [pid 5350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5342, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5352] <... set_robust_list resumed>) = 0 [pid 5351] set_robust_list(0x555581d606a0, 24 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5353 attached [pid 5353] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 5353] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5353] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5352 [pid 5353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5353] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5354 attached [pid 5354] set_robust_list(0x555581d606a0, 24) = 0 [pid 5354] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5355 attached [pid 5352] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5351] <... set_robust_list resumed>) = 0 [pid 5350] <... clone3 resumed> => {parent_tid=[5353]}, 88) = 5353 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5351 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5354 [pid 5355] set_robust_list(0x555581d606a0, 24 [pid 5354] <... prctl resumed>) = 0 [pid 5352] <... prctl resumed>) = 0 [pid 5351] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5350] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5355 [pid 5355] <... set_robust_list resumed>) = 0 [pid 5354] setpgid(0, 0 [pid 5352] setpgid(0, 0 [pid 5351] <... prctl resumed>) = 0 [pid 5350] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5354] <... setpgid resumed>) = 0 [pid 5352] <... setpgid resumed>) = 0 [pid 5351] setpgid(0, 0 [pid 5350] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5353] <... futex resumed>) = 0 [pid 5352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5351] <... setpgid resumed>) = 0 [pid 5350] <... futex resumed>) = 1 [pid 5355] <... prctl resumed>) = 0 [pid 5354] <... openat resumed>) = 3 [pid 5353] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5352] <... openat resumed>) = 3 [pid 5351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5350] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5355] setpgid(0, 0 [pid 5353] <... openat resumed>) = 3 [pid 5352] write(3, "1000", 4 [pid 5351] <... openat resumed>) = 3 [pid 5355] <... setpgid resumed>) = 0 [pid 5354] write(3, "1000", 4 [pid 5353] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5352] <... write resumed>) = 4 [pid 5351] write(3, "1000", 4 [pid 5355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5354] <... write resumed>) = 4 [pid 5353] <... futex resumed>) = 1 [pid 5352] close(3 [pid 5351] <... write resumed>) = 4 [pid 5350] <... futex resumed>) = 0 [pid 5355] <... openat resumed>) = 3 [pid 5354] close(3 [pid 5353] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5352] <... close resumed>) = 0 [pid 5351] close(3 [pid 5350] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5351] <... close resumed>) = 0 [pid 5350] <... futex resumed>) = 0 [pid 5353] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5350] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5351] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] write(3, "1000", 4 [pid 5354] <... close resumed>) = 0 [pid 5353] <... ioctl resumed>) = 0 [pid 5352] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] <... futex resumed>) = 0 [pid 5353] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5352] <... futex resumed>) = 0 [pid 5355] <... write resumed>) = 4 [pid 5354] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] <... futex resumed>) = 1 [pid 5355] close(3 [pid 5352] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5351] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5350] <... futex resumed>) = 0 [pid 5355] <... close resumed>) = 0 [pid 5354] <... futex resumed>) = 0 [pid 5353] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5352] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5351] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5350] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5352] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5350] <... futex resumed>) = 0 [pid 5355] <... futex resumed>) = 0 [pid 5354] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5353] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5355] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5354] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5355] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5355] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5354] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5354] <... mmap resumed>) = 0x7ff12c95c000 [pid 5353] <... ioctl resumed>) = 0 [pid 5352] <... mmap resumed>) = 0x7ff12c95c000 [pid 5351] <... mmap resumed>) = 0x7ff12c95c000 [pid 5350] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5354] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5353] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5355] <... mmap resumed>) = 0x7ff12c95c000 [pid 5354] <... mprotect resumed>) = 0 [pid 5353] <... futex resumed>) = 0 [pid 5352] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5351] <... mprotect resumed>) = 0 [pid 5350] exit_group(0 [pid 5355] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5350] <... exit_group resumed>) = ? [pid 5355] <... mprotect resumed>) = 0 [pid 5354] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5353] +++ exited with 0 +++ [pid 5352] <... mprotect resumed>) = 0 [pid 5351] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5355] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5354] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5354] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5352] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5356 attached ./strace-static-x86_64: Process 5357 attached [pid 5356] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5355] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5354] <... clone3 resumed> => {parent_tid=[5357]}, 88) = 5357 [pid 5351] <... clone3 resumed> => {parent_tid=[5356]}, 88) = 5356 [pid 5357] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5356] <... rseq resumed>) = 0 [pid 5355] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5354] rt_sigprocmask(SIG_SETMASK, [], [pid 5352] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5351] rt_sigprocmask(SIG_SETMASK, [], [pid 5350] +++ exited with 0 +++ ./strace-static-x86_64: Process 5358 attached [pid 5357] <... rseq resumed>) = 0 [pid 5356] set_robust_list(0x7ff12c97c9a0, 24 [pid 5354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5352] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5350, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5359 attached [pid 5358] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5357] set_robust_list(0x7ff12c97c9a0, 24 [pid 5356] <... set_robust_list resumed>) = 0 [pid 5355] <... clone3 resumed> => {parent_tid=[5358]}, 88) = 5358 [pid 5354] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5358] <... rseq resumed>) = 0 [pid 5357] <... set_robust_list resumed>) = 0 [pid 5356] rt_sigprocmask(SIG_SETMASK, [], [pid 5355] rt_sigprocmask(SIG_SETMASK, [], [pid 5354] <... futex resumed>) = 0 [pid 5352] <... clone3 resumed> => {parent_tid=[5359]}, 88) = 5359 [pid 5351] <... futex resumed>) = 0 [pid 5359] <... rseq resumed>) = 0 [pid 5358] set_robust_list(0x7ff12c97c9a0, 24 [pid 5357] rt_sigprocmask(SIG_SETMASK, [], [pid 5356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5354] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5352] rt_sigprocmask(SIG_SETMASK, [], [pid 5351] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5359] set_robust_list(0x7ff12c97c9a0, 24 [pid 5358] <... set_robust_list resumed>) = 0 [pid 5357] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5356] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5355] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5360 attached [pid 5359] <... set_robust_list resumed>) = 0 [pid 5358] rt_sigprocmask(SIG_SETMASK, [], [pid 5357] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5356] <... openat resumed>) = 3 [pid 5355] <... futex resumed>) = 0 [pid 5352] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] rt_sigprocmask(SIG_SETMASK, [], [pid 5358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5357] <... openat resumed>) = 3 [pid 5356] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] set_robust_list(0x555581d606a0, 24 [pid 5359] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5358] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5357] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] <... futex resumed>) = 1 [pid 5355] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5352] <... futex resumed>) = 0 [pid 5351] <... futex resumed>) = 0 [pid 5360] <... set_robust_list resumed>) = 0 [pid 5359] <... openat resumed>) = 3 [pid 5358] <... openat resumed>) = 3 [pid 5357] <... futex resumed>) = 1 [pid 5356] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5354] <... futex resumed>) = 0 [pid 5352] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5351] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5360 [pid 5360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5359] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5358] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5354] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5351] <... futex resumed>) = 0 [pid 5360] <... prctl resumed>) = 0 [pid 5359] <... futex resumed>) = 0 [pid 5358] <... futex resumed>) = 1 [pid 5357] <... ioctl resumed>) = 0 [pid 5356] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5355] <... futex resumed>) = 0 [pid 5354] <... futex resumed>) = 0 [pid 5352] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5360] setpgid(0, 0 [pid 5355] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5352] <... futex resumed>) = 0 [pid 5360] <... setpgid resumed>) = 0 [pid 5359] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5358] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5357] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] <... ioctl resumed>) = 0 [pid 5355] <... futex resumed>) = 0 [pid 5354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5352] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5359] <... ioctl resumed>) = 0 [pid 5358] <... ioctl resumed>) = 0 [pid 5357] <... futex resumed>) = 0 [pid 5356] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5354] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5358] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5354] <... futex resumed>) = 0 [pid 5360] <... openat resumed>) = 3 [pid 5359] <... futex resumed>) = 1 [pid 5358] <... futex resumed>) = 0 [pid 5356] <... futex resumed>) = 1 [pid 5355] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5352] <... futex resumed>) = 0 [pid 5351] <... futex resumed>) = 0 [pid 5360] write(3, "1000", 4 [pid 5359] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5358] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5357] <... ioctl resumed>) = 0 [pid 5356] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5355] <... futex resumed>) = 0 [pid 5352] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] <... write resumed>) = 4 [pid 5359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5358] <... ioctl resumed>) = 0 [pid 5357] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5355] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5352] <... futex resumed>) = 0 [pid 5351] <... futex resumed>) = 0 [pid 5360] close(3 [pid 5359] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5358] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] <... futex resumed>) = 1 [pid 5356] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5354] <... futex resumed>) = 0 [pid 5352] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5351] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5360] <... close resumed>) = 0 [pid 5359] <... ioctl resumed>) = 0 [pid 5358] <... futex resumed>) = 0 [pid 5357] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5356] <... ioctl resumed>) = 0 [pid 5355] exit_group(0 [pid 5354] exit_group(0 [pid 5360] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] <... exit_group resumed>) = ? [pid 5360] <... futex resumed>) = 0 [pid 5359] <... futex resumed>) = 1 [pid 5358] +++ exited with 0 +++ [pid 5357] <... futex resumed>) = ? [pid 5356] <... futex resumed>) = 1 [pid 5355] +++ exited with 0 +++ [pid 5354] <... exit_group resumed>) = ? [pid 5352] <... futex resumed>) = 0 [pid 5351] <... futex resumed>) = 0 [pid 5360] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5359] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5357] +++ exited with 0 +++ [pid 5356] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5354] +++ exited with 0 +++ [pid 5352] exit_group(0 [pid 5360] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5359] <... futex resumed>) = ? [pid 5352] <... exit_group resumed>) = ? [pid 5351] exit_group(0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5355, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5360] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5359] +++ exited with 0 +++ [pid 5356] <... futex resumed>) = ? [pid 5352] +++ exited with 0 +++ [pid 5351] <... exit_group resumed>) = ? [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5354, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5352, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5356] +++ exited with 0 +++ [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5360] <... mmap resumed>) = 0x7ff12c95c000 [pid 5351] +++ exited with 0 +++ [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5360] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5351, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5362 attached [pid 5360] <... mprotect resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5363 attached [pid 5362] set_robust_list(0x555581d606a0, 24) = 0 [pid 5360] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5363 ./strace-static-x86_64: Process 5361 attached ./strace-static-x86_64: Process 5364 attached [pid 5362] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5360] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5364] set_robust_list(0x555581d606a0, 24 [pid 5361] set_robust_list(0x555581d606a0, 24 [pid 5363] set_robust_list(0x555581d606a0, 24 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5362 [pid 5364] <... set_robust_list resumed>) = 0 [pid 5361] <... set_robust_list resumed>) = 0 [pid 5363] <... set_robust_list resumed>) = 0 [pid 5362] <... prctl resumed>) = 0 [pid 5360] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5361 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5364 ./strace-static-x86_64: Process 5365 attached [pid 5364] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5361] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5362] setpgid(0, 0 [pid 5365] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5364] <... prctl resumed>) = 0 [pid 5361] <... prctl resumed>) = 0 [pid 5363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5362] <... setpgid resumed>) = 0 [pid 5360] <... clone3 resumed> => {parent_tid=[5365]}, 88) = 5365 [pid 5365] <... rseq resumed>) = 0 [pid 5364] setpgid(0, 0 [pid 5361] setpgid(0, 0 [pid 5363] <... prctl resumed>) = 0 [pid 5362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5360] rt_sigprocmask(SIG_SETMASK, [], [pid 5365] set_robust_list(0x7ff12c97c9a0, 24 [pid 5364] <... setpgid resumed>) = 0 [pid 5361] <... setpgid resumed>) = 0 [pid 5363] setpgid(0, 0 [pid 5360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5365] <... set_robust_list resumed>) = 0 [pid 5364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5363] <... setpgid resumed>) = 0 [pid 5362] <... openat resumed>) = 3 [pid 5360] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] rt_sigprocmask(SIG_SETMASK, [], [pid 5362] write(3, "1000", 4 [pid 5360] <... futex resumed>) = 0 [pid 5365] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5361] <... openat resumed>) = 3 [pid 5363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5362] <... write resumed>) = 4 [pid 5360] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5365] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5364] <... openat resumed>) = 3 [pid 5361] write(3, "1000", 4 [pid 5363] <... openat resumed>) = 3 [pid 5362] close(3 [pid 5365] <... openat resumed>) = 3 [pid 5364] write(3, "1000", 4 [pid 5361] <... write resumed>) = 4 [pid 5363] write(3, "1000", 4 [pid 5362] <... close resumed>) = 0 [pid 5365] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] <... write resumed>) = 4 [pid 5361] close(3 [pid 5363] <... write resumed>) = 4 [pid 5362] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] <... futex resumed>) = 1 [pid 5363] close(3 [pid 5362] <... futex resumed>) = 0 [pid 5360] <... futex resumed>) = 0 [pid 5365] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5364] close(3 [pid 5361] <... close resumed>) = 0 [pid 5363] <... close resumed>) = 0 [pid 5362] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5360] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5364] <... close resumed>) = 0 [pid 5361] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5360] <... futex resumed>) = 0 [pid 5365] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5364] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] <... futex resumed>) = 0 [pid 5363] <... futex resumed>) = 0 [pid 5362] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5360] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5365] <... ioctl resumed>) = 0 [pid 5364] <... futex resumed>) = 0 [pid 5361] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5363] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5365] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5361] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5363] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5365] <... futex resumed>) = 1 [pid 5364] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5361] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5363] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5362] <... mmap resumed>) = 0x7ff12c95c000 [pid 5360] <... futex resumed>) = 0 [pid 5365] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5364] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5362] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5360] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5362] <... mprotect resumed>) = 0 [pid 5360] <... futex resumed>) = 0 [pid 5365] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5361] <... mmap resumed>) = 0x7ff12c95c000 [pid 5363] <... mmap resumed>) = 0x7ff12c95c000 [pid 5362] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5360] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5365] <... ioctl resumed>) = 0 [pid 5364] <... mmap resumed>) = 0x7ff12c95c000 [pid 5361] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5363] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5362] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5365] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5361] <... mprotect resumed>) = 0 [pid 5365] <... futex resumed>) = 1 [pid 5364] <... mprotect resumed>) = 0 [pid 5361] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5363] <... mprotect resumed>) = 0 [pid 5362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5360] <... futex resumed>) = 0 [pid 5365] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5364] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5361] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5363] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5366 attached [pid 5360] exit_group(0 [pid 5363] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5366] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5365] <... futex resumed>) = ? [pid 5364] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5362] <... clone3 resumed> => {parent_tid=[5366]}, 88) = 5366 [pid 5360] <... exit_group resumed>) = ? [pid 5366] <... rseq resumed>) = 0 [pid 5362] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5368 attached ./strace-static-x86_64: Process 5367 attached [pid 5364] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5368] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5367] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5361] <... clone3 resumed> => {parent_tid=[5368]}, 88) = 5368 [pid 5368] <... rseq resumed>) = 0 [pid 5367] <... rseq resumed>) = 0 [pid 5364] <... clone3 resumed> => {parent_tid=[5369]}, 88) = 5369 [pid 5361] rt_sigprocmask(SIG_SETMASK, [], [pid 5368] set_robust_list(0x7ff12c97c9a0, 24 [pid 5367] set_robust_list(0x7ff12c97c9a0, 24 [pid 5364] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5369 attached [pid 5368] <... set_robust_list resumed>) = 0 [pid 5367] <... set_robust_list resumed>) = 0 [pid 5366] set_robust_list(0x7ff12c97c9a0, 24 [pid 5365] +++ exited with 0 +++ [pid 5361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5363] <... clone3 resumed> => {parent_tid=[5367]}, 88) = 5367 [pid 5362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5360] +++ exited with 0 +++ [pid 5369] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5368] rt_sigprocmask(SIG_SETMASK, [], [pid 5367] rt_sigprocmask(SIG_SETMASK, [], [pid 5366] <... set_robust_list resumed>) = 0 [pid 5364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5361] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] rt_sigprocmask(SIG_SETMASK, [], [pid 5362] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] <... rseq resumed>) = 0 [pid 5368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5366] rt_sigprocmask(SIG_SETMASK, [], [pid 5364] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] <... futex resumed>) = 0 [pid 5363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5362] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5360, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5369] set_robust_list(0x7ff12c97c9a0, 24 [pid 5368] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5367] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5364] <... futex resumed>) = 0 [pid 5361] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5370 attached [pid 5369] <... set_robust_list resumed>) = 0 [pid 5368] <... openat resumed>) = 3 [pid 5367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5366] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5364] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] <... futex resumed>) = 0 [pid 5369] rt_sigprocmask(SIG_SETMASK, [], [pid 5370] set_robust_list(0x555581d606a0, 24 [pid 5369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5366] <... openat resumed>) = 3 [pid 5363] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5370] <... set_robust_list resumed>) = 0 [pid 5366] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5369] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5368] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5367] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5366] <... futex resumed>) = 1 [pid 5362] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5370 [pid 5370] <... prctl resumed>) = 0 [pid 5369] <... openat resumed>) = 3 [pid 5368] <... futex resumed>) = 1 [pid 5367] <... openat resumed>) = 3 [pid 5366] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] <... futex resumed>) = 0 [pid 5362] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] setpgid(0, 0 [pid 5369] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5367] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5361] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] <... futex resumed>) = 0 [pid 5370] <... setpgid resumed>) = 0 [pid 5369] <... futex resumed>) = 1 [pid 5368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5367] <... futex resumed>) = 1 [pid 5366] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5364] <... futex resumed>) = 0 [pid 5361] <... futex resumed>) = 0 [pid 5363] <... futex resumed>) = 0 [pid 5362] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5369] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5368] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5367] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5366] <... ioctl resumed>) = 0 [pid 5364] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] <... openat resumed>) = 3 [pid 5369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5368] <... ioctl resumed>) = 0 [pid 5367] <... ioctl resumed>) = 0 [pid 5366] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] <... futex resumed>) = 0 [pid 5363] <... futex resumed>) = 0 [pid 5370] write(3, "1000", 4 [pid 5369] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5368] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5367] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] <... futex resumed>) = 1 [pid 5364] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5362] <... futex resumed>) = 0 [pid 5370] <... write resumed>) = 4 [pid 5369] <... ioctl resumed>) = 0 [pid 5368] <... futex resumed>) = 1 [pid 5367] <... futex resumed>) = 0 [pid 5366] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] <... futex resumed>) = 0 [pid 5363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5362] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] close(3 [pid 5369] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5367] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5361] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] <... futex resumed>) = 0 [pid 5370] <... close resumed>) = 0 [pid 5369] <... futex resumed>) = 1 [pid 5368] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5367] <... ioctl resumed>) = 0 [pid 5366] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5364] <... futex resumed>) = 0 [pid 5361] <... futex resumed>) = 0 [pid 5363] <... futex resumed>) = 0 [pid 5362] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5370] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5368] <... ioctl resumed>) = 0 [pid 5367] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] <... ioctl resumed>) = 0 [pid 5364] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5370] <... futex resumed>) = 0 [pid 5368] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5367] <... futex resumed>) = 0 [pid 5364] <... futex resumed>) = 0 [pid 5363] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5370] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5368] <... futex resumed>) = 0 [pid 5367] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5364] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5370] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5368] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5366] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] exit_group(0 [pid 5363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5370] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5369] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5368] <... futex resumed>) = ? [pid 5366] <... futex resumed>) = 1 [pid 5361] <... exit_group resumed>) = ? [pid 5362] <... futex resumed>) = 0 [pid 5370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5369] <... ioctl resumed>) = 0 [pid 5366] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5363] exit_group(0 [pid 5362] exit_group(0 [pid 5370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5369] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] +++ exited with 0 +++ [pid 5367] <... futex resumed>) = ? [pid 5366] <... futex resumed>) = ? [pid 5361] +++ exited with 0 +++ [pid 5363] <... exit_group resumed>) = ? [pid 5362] <... exit_group resumed>) = ? [pid 5370] <... mmap resumed>) = 0x7ff12c95c000 [pid 5369] <... futex resumed>) = 1 [pid 5367] +++ exited with 0 +++ [pid 5366] +++ exited with 0 +++ [pid 5364] <... futex resumed>) = 0 [pid 5363] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5370] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5369] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5364] exit_group(0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5363, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5370] <... mprotect resumed>) = 0 [pid 5369] <... futex resumed>) = ? [pid 5364] <... exit_group resumed>) = ? [pid 5370] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5370] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5370] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5369] +++ exited with 0 +++ [pid 5364] +++ exited with 0 +++ [pid 5370] <... clone3 resumed> => {parent_tid=[5371]}, 88) = 5371 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5371 attached ./strace-static-x86_64: Process 5372 attached [pid 5370] rt_sigprocmask(SIG_SETMASK, [], [pid 5362] +++ exited with 0 +++ [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5364, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5373 attached [pid 5372] set_robust_list(0x555581d606a0, 24 [pid 5371] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5362, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5373] set_robust_list(0x555581d606a0, 24 [pid 5372] <... set_robust_list resumed>) = 0 [pid 5371] <... rseq resumed>) = 0 [pid 5373] <... set_robust_list resumed>) = 0 [pid 5372] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5371] set_robust_list(0x7ff12c97c9a0, 24 [pid 5370] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5373] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5372] <... prctl resumed>) = 0 [pid 5371] <... set_robust_list resumed>) = 0 [pid 5370] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5372 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5373 [pid 5065] <... restart_syscall resumed>) = 0 [pid 5373] <... prctl resumed>) = 0 [pid 5372] setpgid(0, 0 [pid 5371] rt_sigprocmask(SIG_SETMASK, [], [pid 5370] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5373] setpgid(0, 0 [pid 5372] <... setpgid resumed>) = 0 [pid 5371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5371] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5373] <... setpgid resumed>) = 0 [pid 5372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5371] <... openat resumed>) = 3 [pid 5373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5371] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5374 attached ./strace-static-x86_64: Process 5375 attached [pid 5373] <... openat resumed>) = 3 [pid 5372] <... openat resumed>) = 3 [pid 5371] <... futex resumed>) = 1 [pid 5370] <... futex resumed>) = 0 [pid 5374] set_robust_list(0x555581d606a0, 24 [pid 5370] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5374 [pid 5375] set_robust_list(0x555581d606a0, 24 [pid 5372] write(3, "1000", 4 [pid 5371] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5373] write(3, "1000", 4 [pid 5370] <... futex resumed>) = 0 [pid 5375] <... set_robust_list resumed>) = 0 [pid 5372] <... write resumed>) = 4 [pid 5371] <... ioctl resumed>) = 0 [pid 5373] <... write resumed>) = 4 [pid 5374] <... set_robust_list resumed>) = 0 [pid 5370] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5375] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5373] close(3 [pid 5372] close(3 [pid 5371] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5374] <... prctl resumed>) = 0 [pid 5374] setpgid(0, 0) = 0 [pid 5374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5373] <... close resumed>) = 0 [pid 5372] <... close resumed>) = 0 [pid 5375] <... prctl resumed>) = 0 [pid 5371] <... futex resumed>) = 1 [pid 5370] <... futex resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5375 [pid 5375] setpgid(0, 0 [pid 5373] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5371] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5370] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] <... setpgid resumed>) = 0 [pid 5374] <... openat resumed>) = 3 [pid 5373] <... futex resumed>) = 0 [pid 5372] <... futex resumed>) = 0 [pid 5371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5370] <... futex resumed>) = 0 [pid 5370] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5371] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5374] write(3, "1000", 4) = 4 [pid 5374] close(3 [pid 5373] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5372] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5371] <... ioctl resumed>) = 0 [pid 5374] <... close resumed>) = 0 [pid 5373] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5372] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5371] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] <... openat resumed>) = 3 [pid 5374] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5372] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5371] <... futex resumed>) = 1 [pid 5370] <... futex resumed>) = 0 [pid 5374] <... futex resumed>) = 0 [pid 5373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5371] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5370] exit_group(0 [pid 5375] write(3, "1000", 4 [pid 5374] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5371] <... futex resumed>) = ? [pid 5370] <... exit_group resumed>) = ? [pid 5375] <... write resumed>) = 4 [pid 5374] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5373] <... mmap resumed>) = 0x7ff12c95c000 [pid 5372] <... mmap resumed>) = 0x7ff12c95c000 [pid 5371] +++ exited with 0 +++ [pid 5370] +++ exited with 0 +++ [pid 5375] close(3 [pid 5374] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5373] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5372] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5370, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5375] <... close resumed>) = 0 [pid 5374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5374] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5374] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5372] <... mprotect resumed>) = 0 [pid 5375] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5374] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5373] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5376 attached [pid 5375] <... futex resumed>) = 0 [pid 5373] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5372] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5376] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5375] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5374] <... clone3 resumed> => {parent_tid=[5376]}, 88) = 5376 [pid 5373] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5376] <... rseq resumed>) = 0 [pid 5375] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5374] rt_sigprocmask(SIG_SETMASK, [], [pid 5373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5372] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5377 attached ./strace-static-x86_64: Process 5378 attached [pid 5376] set_robust_list(0x7ff12c97c9a0, 24 [pid 5375] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5378] set_robust_list(0x555581d606a0, 24 [pid 5377] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5376] <... set_robust_list resumed>) = 0 [pid 5375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5374] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] <... clone3 resumed> => {parent_tid=[5377]}, 88) = 5377 [pid 5378] <... set_robust_list resumed>) = 0 [pid 5377] <... rseq resumed>) = 0 [pid 5376] rt_sigprocmask(SIG_SETMASK, [], [pid 5375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5374] <... futex resumed>) = 0 [pid 5373] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5379 attached [pid 5377] set_robust_list(0x7ff12c97c9a0, 24 [pid 5376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5375] <... mmap resumed>) = 0x7ff12c95c000 [pid 5374] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5372] <... clone3 resumed> => {parent_tid=[5379]}, 88) = 5379 [pid 5379] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5378] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5377] <... set_robust_list resumed>) = 0 [pid 5376] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5375] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5373] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5378 [pid 5379] <... rseq resumed>) = 0 [pid 5377] rt_sigprocmask(SIG_SETMASK, [], [pid 5376] <... openat resumed>) = 3 [pid 5379] set_robust_list(0x7ff12c97c9a0, 24 [pid 5378] <... prctl resumed>) = 0 [pid 5377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5375] <... mprotect resumed>) = 0 [pid 5373] <... futex resumed>) = 0 [pid 5372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5379] <... set_robust_list resumed>) = 0 [pid 5378] setpgid(0, 0 [pid 5377] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5376] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5372] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5379] rt_sigprocmask(SIG_SETMASK, [], [pid 5378] <... setpgid resumed>) = 0 [pid 5377] <... openat resumed>) = 3 [pid 5376] <... futex resumed>) = 1 [pid 5375] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5374] <... futex resumed>) = 0 [pid 5372] <... futex resumed>) = 0 [pid 5379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5377] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5375] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5374] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5379] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5378] <... openat resumed>) = 3 [pid 5377] <... futex resumed>) = 1 [pid 5376] <... ioctl resumed>) = 0 [pid 5374] <... futex resumed>) = 0 [pid 5373] <... futex resumed>) = 0 [pid 5379] <... openat resumed>) = 3 [pid 5378] write(3, "1000", 4 [pid 5377] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5376] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5374] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5380 attached [pid 5379] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... write resumed>) = 4 [pid 5376] <... futex resumed>) = 0 [pid 5374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5373] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5379] <... futex resumed>) = 1 [pid 5378] close(3 [pid 5377] <... futex resumed>) = 0 [pid 5376] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5375] <... clone3 resumed> => {parent_tid=[5380]}, 88) = 5380 [pid 5374] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] <... futex resumed>) = 1 [pid 5372] <... futex resumed>) = 0 [pid 5380] <... rseq resumed>) = 0 [pid 5379] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5378] <... close resumed>) = 0 [pid 5377] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5375] rt_sigprocmask(SIG_SETMASK, [], [pid 5374] <... futex resumed>) = 0 [pid 5373] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5372] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] set_robust_list(0x7ff12c97c9a0, 24 [pid 5379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5378] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] <... ioctl resumed>) = 0 [pid 5376] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5374] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5372] <... futex resumed>) = 0 [pid 5380] <... set_robust_list resumed>) = 0 [pid 5379] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5378] <... futex resumed>) = 0 [pid 5377] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] <... ioctl resumed>) = 0 [pid 5375] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5380] rt_sigprocmask(SIG_SETMASK, [], [pid 5379] <... ioctl resumed>) = 0 [pid 5378] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5377] <... futex resumed>) = 1 [pid 5376] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] <... futex resumed>) = 0 [pid 5373] <... futex resumed>) = 0 [pid 5380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5379] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5377] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5376] <... futex resumed>) = 1 [pid 5375] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5374] <... futex resumed>) = 0 [pid 5373] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5379] <... futex resumed>) = 1 [pid 5378] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5376] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5374] exit_group(0 [pid 5373] <... futex resumed>) = 0 [pid 5372] <... futex resumed>) = 0 [pid 5380] <... openat resumed>) = 3 [pid 5379] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5377] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5373] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5372] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5377] <... ioctl resumed>) = 0 [pid 5376] <... futex resumed>) = ? [pid 5374] <... exit_group resumed>) = ? [pid 5372] <... futex resumed>) = 0 [pid 5380] <... futex resumed>) = 1 [pid 5379] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5378] <... mmap resumed>) = 0x7ff12c95c000 [pid 5377] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] +++ exited with 0 +++ [pid 5375] <... futex resumed>) = 0 [pid 5374] +++ exited with 0 +++ [pid 5372] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5380] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5379] <... ioctl resumed>) = 0 [pid 5378] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5377] <... futex resumed>) = 1 [pid 5375] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] <... futex resumed>) = 0 [pid 5379] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... mprotect resumed>) = 0 [pid 5377] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5374, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5379] <... futex resumed>) = 1 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5379] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] <... restart_syscall resumed>) = 0 [pid 5378] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5375] <... futex resumed>) = 0 [pid 5373] exit_group(0 [pid 5372] <... futex resumed>) = 0 [pid 5380] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5378] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5377] <... futex resumed>) = ? [pid 5375] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5373] <... exit_group resumed>) = ? [pid 5372] exit_group(0 [pid 5379] <... futex resumed>) = ? [pid 5378] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5377] +++ exited with 0 +++ [pid 5372] <... exit_group resumed>) = ? [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5381 attached [pid 5379] +++ exited with 0 +++ [pid 5381] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5380] <... ioctl resumed>) = 0 [pid 5381] <... rseq resumed>) = 0 [pid 5381] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5378] <... clone3 resumed> => {parent_tid=[5381]}, 88) = 5381 [pid 5378] rt_sigprocmask(SIG_SETMASK, [], [pid 5381] rt_sigprocmask(SIG_SETMASK, [], [pid 5378] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5382 attached [pid 5381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5382] set_robust_list(0x555581d606a0, 24 [pid 5381] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5378] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5382] <... set_robust_list resumed>) = 0 [pid 5381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5378] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5382 [pid 5382] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5381] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5378] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5382] <... prctl resumed>) = 0 [pid 5381] <... openat resumed>) = 3 [pid 5382] setpgid(0, 0 [pid 5381] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5382] <... setpgid resumed>) = 0 [pid 5381] <... futex resumed>) = 1 [pid 5378] <... futex resumed>) = 0 [pid 5382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5381] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5378] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5378] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5381] <... ioctl resumed>) = 0 [pid 5382] <... openat resumed>) = 3 [pid 5381] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5372] +++ exited with 0 +++ [pid 5381] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5378] <... futex resumed>) = 0 [pid 5382] write(3, "1000", 4 [pid 5378] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] +++ exited with 0 +++ [pid 5380] <... futex resumed>) = 1 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5372, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5373, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5375] <... futex resumed>) = 0 [pid 5382] <... write resumed>) = 4 [pid 5381] <... futex resumed>) = 0 [pid 5380] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5378] <... futex resumed>) = 1 [pid 5375] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5382] close(3 [pid 5381] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5378] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5375] <... futex resumed>) = 0 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5382] <... close resumed>) = 0 [pid 5381] <... ioctl resumed>) = 0 [pid 5380] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5382] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] <... ioctl resumed>) = 0 [pid 5375] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5382] <... futex resumed>) = 0 [pid 5381] <... futex resumed>) = 1 [pid 5380] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... futex resumed>) = 0 [pid 5375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5382] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5381] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5380] <... futex resumed>) = 0 [pid 5378] exit_group(0 [pid 5375] exit_group(0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5383 attached [pid 5382] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5381] <... futex resumed>) = ? [pid 5378] <... exit_group resumed>) = ? [pid 5375] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5384 attached [pid 5382] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5381] +++ exited with 0 +++ [pid 5380] +++ exited with 0 +++ [pid 5383] set_robust_list(0x555581d606a0, 24 [pid 5378] +++ exited with 0 +++ [pid 5375] +++ exited with 0 +++ [pid 5383] <... set_robust_list resumed>) = 0 [pid 5382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5378, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5383 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5375, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5384] set_robust_list(0x555581d606a0, 24 [pid 5382] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5384] <... set_robust_list resumed>) = 0 [pid 5383] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5382] <... mprotect resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5384] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5383] <... prctl resumed>) = 0 [pid 5383] setpgid(0, 0 [pid 5382] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5384 ./strace-static-x86_64: Process 5385 attached [pid 5384] <... prctl resumed>) = 0 [pid 5383] <... setpgid resumed>) = 0 [pid 5382] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5386 attached ./strace-static-x86_64: Process 5387 attached [pid 5385] set_robust_list(0x555581d606a0, 24 [pid 5384] setpgid(0, 0 [pid 5383] <... openat resumed>) = 3 [pid 5387] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5386] set_robust_list(0x555581d606a0, 24 [pid 5382] <... clone3 resumed> => {parent_tid=[5387]}, 88) = 5387 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5385 [pid 5382] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5382] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5382] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5386 [pid 5385] <... set_robust_list resumed>) = 0 [pid 5383] write(3, "1000", 4 [pid 5387] <... rseq resumed>) = 0 [pid 5386] <... set_robust_list resumed>) = 0 [pid 5384] <... setpgid resumed>) = 0 [pid 5387] set_robust_list(0x7ff12c97c9a0, 24 [pid 5385] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5383] <... write resumed>) = 4 [pid 5386] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5387] <... set_robust_list resumed>) = 0 [pid 5386] <... prctl resumed>) = 0 [pid 5384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5383] close(3 [pid 5385] <... prctl resumed>) = 0 [pid 5387] rt_sigprocmask(SIG_SETMASK, [], [pid 5386] setpgid(0, 0 [pid 5383] <... close resumed>) = 0 [pid 5387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5386] <... setpgid resumed>) = 0 [pid 5385] setpgid(0, 0 [pid 5383] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] <... setpgid resumed>) = 0 [pid 5386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5387] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5387] <... openat resumed>) = 3 [pid 5385] <... openat resumed>) = 3 [pid 5383] <... futex resumed>) = 0 [pid 5387] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] <... openat resumed>) = 3 [pid 5387] <... futex resumed>) = 1 [pid 5386] <... openat resumed>) = 3 [pid 5385] write(3, "1000", 4 [pid 5384] write(3, "1000", 4 [pid 5383] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5382] <... futex resumed>) = 0 [pid 5387] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5386] write(3, "1000", 4 [pid 5385] <... write resumed>) = 4 [pid 5384] <... write resumed>) = 4 [pid 5383] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5382] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5386] <... write resumed>) = 4 [pid 5385] close(3 [pid 5384] close(3 [pid 5383] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5382] <... futex resumed>) = 0 [pid 5387] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5386] close(3 [pid 5385] <... close resumed>) = 0 [pid 5384] <... close resumed>) = 0 [pid 5383] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5382] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5387] <... ioctl resumed>) = 0 [pid 5386] <... close resumed>) = 0 [pid 5385] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5387] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] <... futex resumed>) = 0 [pid 5384] <... futex resumed>) = 0 [pid 5383] <... mmap resumed>) = 0x7ff12c95c000 [pid 5387] <... futex resumed>) = 1 [pid 5386] <... futex resumed>) = 0 [pid 5385] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5384] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5383] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5382] <... futex resumed>) = 0 [pid 5387] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5386] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5385] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5384] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5383] <... mprotect resumed>) = 0 [pid 5382] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5385] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5384] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5382] <... futex resumed>) = 0 [pid 5387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5386] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5383] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5382] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5387] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5383] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5387] <... ioctl resumed>) = 0 [pid 5386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5385] <... mmap resumed>) = 0x7ff12c95c000 [pid 5384] <... mmap resumed>) = 0x7ff12c95c000 [pid 5387] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5387] <... futex resumed>) = 1 [pid 5386] <... mmap resumed>) = 0x7ff12c95c000 [pid 5385] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5384] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5382] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5388 attached [pid 5387] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5386] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5385] <... mprotect resumed>) = 0 [pid 5384] <... mprotect resumed>) = 0 [pid 5388] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 5386] <... mprotect resumed>) = 0 [pid 5385] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5384] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5383] <... clone3 resumed> => {parent_tid=[5388]}, 88) = 5388 [pid 5382] exit_group(0 [pid 5388] set_robust_list(0x7ff12c97c9a0, 24 [pid 5387] <... futex resumed>) = ? [pid 5386] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5385] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5384] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5383] rt_sigprocmask(SIG_SETMASK, [], [pid 5382] <... exit_group resumed>) = ? [pid 5388] <... set_robust_list resumed>) = 0 [pid 5386] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5385] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5384] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5383] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5389 attached [pid 5388] rt_sigprocmask(SIG_SETMASK, [], [pid 5386] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5390 attached [pid 5389] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5387] +++ exited with 0 +++ [pid 5385] <... clone3 resumed> => {parent_tid=[5389]}, 88) = 5389 [pid 5383] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5382] +++ exited with 0 +++ ./strace-static-x86_64: Process 5391 attached [pid 5390] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5389] <... rseq resumed>) = 0 [pid 5388] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5386] <... clone3 resumed> => {parent_tid=[5391]}, 88) = 5391 [pid 5385] rt_sigprocmask(SIG_SETMASK, [], [pid 5384] <... clone3 resumed> => {parent_tid=[5390]}, 88) = 5390 [pid 5383] <... futex resumed>) = 0 [pid 5391] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5390] <... rseq resumed>) = 0 [pid 5389] set_robust_list(0x7ff12c97c9a0, 24 [pid 5388] <... openat resumed>) = 3 [pid 5386] rt_sigprocmask(SIG_SETMASK, [], [pid 5385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5384] rt_sigprocmask(SIG_SETMASK, [], [pid 5383] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5382, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5391] <... rseq resumed>) = 0 [pid 5390] set_robust_list(0x7ff12c97c9a0, 24 [pid 5389] <... set_robust_list resumed>) = 0 [pid 5388] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5385] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5391] set_robust_list(0x7ff12c97c9a0, 24 [pid 5390] <... set_robust_list resumed>) = 0 [pid 5389] rt_sigprocmask(SIG_SETMASK, [], [pid 5388] <... futex resumed>) = 0 [pid 5386] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] <... futex resumed>) = 0 [pid 5384] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5391] <... set_robust_list resumed>) = 0 [pid 5389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5392 attached [pid 5391] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5390] rt_sigprocmask(SIG_SETMASK, [], [pid 5389] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5388] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5386] <... futex resumed>) = 0 [pid 5385] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5384] <... futex resumed>) = 0 [pid 5383] <... futex resumed>) = 0 [pid 5392] set_robust_list(0x555581d606a0, 24 [pid 5391] <... openat resumed>) = 3 [pid 5390] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5389] <... openat resumed>) = 3 [pid 5388] <... ioctl resumed>) = 0 [pid 5386] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5384] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5383] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5392 [pid 5392] <... set_robust_list resumed>) = 0 [pid 5391] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5389] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5391] <... futex resumed>) = 1 [pid 5389] <... futex resumed>) = 1 [pid 5388] <... futex resumed>) = 1 [pid 5386] <... futex resumed>) = 0 [pid 5385] <... futex resumed>) = 0 [pid 5383] <... futex resumed>) = 0 [pid 5392] <... prctl resumed>) = 0 [pid 5391] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5390] <... openat resumed>) = 3 [pid 5389] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5388] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5386] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] setpgid(0, 0 [pid 5391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5386] <... futex resumed>) = 0 [pid 5385] <... futex resumed>) = 0 [pid 5383] <... futex resumed>) = 0 [pid 5392] <... setpgid resumed>) = 0 [pid 5391] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5390] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5388] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5386] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5385] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5383] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5391] <... ioctl resumed>) = 0 [pid 5390] <... futex resumed>) = 1 [pid 5388] <... ioctl resumed>) = 0 [pid 5384] <... futex resumed>) = 0 [pid 5392] <... openat resumed>) = 3 [pid 5390] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5389] <... ioctl resumed>) = 0 [pid 5388] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] write(3, "1000", 4 [pid 5391] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5389] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] <... futex resumed>) = 1 [pid 5384] <... futex resumed>) = 0 [pid 5383] <... futex resumed>) = 0 [pid 5392] <... write resumed>) = 4 [pid 5391] <... futex resumed>) = 1 [pid 5390] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5389] <... futex resumed>) = 1 [pid 5388] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5386] <... futex resumed>) = 0 [pid 5385] <... futex resumed>) = 0 [pid 5384] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5383] exit_group(0 [pid 5392] close(3 [pid 5391] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5390] <... ioctl resumed>) = 0 [pid 5389] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5386] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] <... exit_group resumed>) = ? [pid 5392] <... close resumed>) = 0 [pid 5391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5390] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5388] <... futex resumed>) = ? [pid 5385] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5391] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5390] <... futex resumed>) = 1 [pid 5389] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5388] +++ exited with 0 +++ [pid 5386] <... futex resumed>) = 0 [pid 5385] <... futex resumed>) = 0 [pid 5384] <... futex resumed>) = 0 [pid 5392] <... futex resumed>) = 0 [pid 5391] <... ioctl resumed>) = 0 [pid 5390] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5389] <... ioctl resumed>) = 0 [pid 5386] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5385] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5384] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5391] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5389] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] <... futex resumed>) = 0 [pid 5392] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5391] <... futex resumed>) = 1 [pid 5390] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5389] <... futex resumed>) = 1 [pid 5386] <... futex resumed>) = 0 [pid 5385] <... futex resumed>) = 0 [pid 5384] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5383] +++ exited with 0 +++ [pid 5392] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5391] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5390] <... ioctl resumed>) = 0 [pid 5389] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5386] exit_group(0 [pid 5385] exit_group(0 [pid 5392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5391] <... futex resumed>) = ? [pid 5390] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] <... futex resumed>) = ? [pid 5386] <... exit_group resumed>) = ? [pid 5385] <... exit_group resumed>) = ? [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5383, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5391] +++ exited with 0 +++ [pid 5390] <... futex resumed>) = 1 [pid 5389] +++ exited with 0 +++ [pid 5386] +++ exited with 0 +++ [pid 5385] +++ exited with 0 +++ [pid 5384] <... futex resumed>) = 0 [pid 5390] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5384] exit_group(0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5385, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5390] <... futex resumed>) = ? [pid 5384] <... exit_group resumed>) = ? [pid 5392] <... mmap resumed>) = 0x7ff12c95c000 [pid 5390] +++ exited with 0 +++ [pid 5384] +++ exited with 0 +++ [pid 5066] <... restart_syscall resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5386, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5392] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5392] <... mprotect resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5384, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5393 attached [pid 5068] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5392] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5393] set_robust_list(0x555581d606a0, 24 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5392] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5393] <... set_robust_list resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5393] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5395 attached ./strace-static-x86_64: Process 5394 attached [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5393 [pid 5394] set_robust_list(0x555581d606a0, 24 [pid 5395] set_robust_list(0x555581d606a0, 24) = 0 [pid 5394] <... set_robust_list resumed>) = 0 [pid 5395] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5394] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5393] <... prctl resumed>) = 0 [pid 5392] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5395] <... prctl resumed>) = 0 [pid 5395] setpgid(0, 0 [pid 5394] <... prctl resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5395 [pid 5395] <... setpgid resumed>) = 0 [pid 5394] setpgid(0, 0 [pid 5395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5394] <... setpgid resumed>) = 0 [pid 5394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5396 attached [pid 5393] setpgid(0, 0 [pid 5392] <... clone3 resumed> => {parent_tid=[5397]}, 88) = 5397 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5394 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5396 ./strace-static-x86_64: Process 5397 attached [pid 5396] set_robust_list(0x555581d606a0, 24 [pid 5395] <... openat resumed>) = 3 [pid 5394] <... openat resumed>) = 3 [pid 5393] <... setpgid resumed>) = 0 [pid 5392] rt_sigprocmask(SIG_SETMASK, [], [pid 5397] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5396] <... set_robust_list resumed>) = 0 [pid 5393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5397] <... rseq resumed>) = 0 [pid 5395] write(3, "1000", 4 [pid 5394] write(3, "1000", 4 [pid 5392] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5397] set_robust_list(0x7ff12c97c9a0, 24 [pid 5396] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5395] <... write resumed>) = 4 [pid 5394] <... write resumed>) = 4 [pid 5392] <... futex resumed>) = 0 [pid 5397] <... set_robust_list resumed>) = 0 [pid 5396] <... prctl resumed>) = 0 [pid 5395] close(3 [pid 5394] close(3 [pid 5393] <... openat resumed>) = 3 [pid 5392] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5397] rt_sigprocmask(SIG_SETMASK, [], [pid 5396] setpgid(0, 0 [pid 5395] <... close resumed>) = 0 [pid 5394] <... close resumed>) = 0 [pid 5393] write(3, "1000", 4 [pid 5397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5396] <... setpgid resumed>) = 0 [pid 5395] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5394] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] <... write resumed>) = 4 [pid 5397] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5395] <... futex resumed>) = 0 [pid 5394] <... futex resumed>) = 0 [pid 5397] <... openat resumed>) = 3 [pid 5396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5395] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5394] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5393] close(3 [pid 5395] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5393] <... close resumed>) = 0 [pid 5397] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5395] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5394] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5393] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5397] <... futex resumed>) = 1 [pid 5396] <... openat resumed>) = 3 [pid 5395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5394] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5392] <... futex resumed>) = 0 [pid 5397] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5392] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5396] write(3, "1000", 4 [pid 5395] <... mmap resumed>) = 0x7ff12c95c000 [pid 5394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5393] <... futex resumed>) = 0 [pid 5392] <... futex resumed>) = 0 [pid 5397] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5396] <... write resumed>) = 4 [pid 5395] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5394] <... mmap resumed>) = 0x7ff12c95c000 [pid 5393] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5392] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5397] <... ioctl resumed>) = 0 [pid 5396] close(3 [pid 5395] <... mprotect resumed>) = 0 [pid 5394] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5393] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5397] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] <... close resumed>) = 0 [pid 5395] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5394] <... mprotect resumed>) = 0 [pid 5393] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5397] <... futex resumed>) = 1 [pid 5396] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5392] <... futex resumed>) = 0 [pid 5397] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5396] <... futex resumed>) = 0 [pid 5393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5392] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5396] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5395] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5394] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5393] <... mmap resumed>) = 0x7ff12c95c000 [pid 5392] <... futex resumed>) = 0 [pid 5397] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5396] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5393] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5392] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5398 attached [pid 5397] <... ioctl resumed>) = 0 [pid 5394] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5398] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5397] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5395] <... clone3 resumed> => {parent_tid=[5398]}, 88) = 5398 [pid 5394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5398] <... rseq resumed>) = 0 [pid 5397] <... futex resumed>) = 1 [pid 5396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5395] rt_sigprocmask(SIG_SETMASK, [], [pid 5393] <... mprotect resumed>) = 0 [pid 5392] <... futex resumed>) = 0 [pid 5396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5392] exit_group(0./strace-static-x86_64: Process 5399 attached [pid 5398] set_robust_list(0x7ff12c97c9a0, 24 [pid 5397] set_robust_list(0x7ff12c97c9a0, 24 [pid 5396] <... mmap resumed>) = 0x7ff12c95c000 [pid 5397] <... set_robust_list resumed>) = ? [pid 5398] <... set_robust_list resumed>) = 0 [pid 5399] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5397] +++ exited with 0 +++ [pid 5396] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5393] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5392] <... exit_group resumed>) = ? [pid 5399] <... rseq resumed>) = 0 [pid 5398] rt_sigprocmask(SIG_SETMASK, [], [pid 5396] <... mprotect resumed>) = 0 [pid 5395] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5394] <... clone3 resumed> => {parent_tid=[5399]}, 88) = 5399 [pid 5398] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5395] <... futex resumed>) = 0 [pid 5394] rt_sigprocmask(SIG_SETMASK, [], [pid 5398] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5395] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5398] <... openat resumed>) = 3 [pid 5394] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5399] set_robust_list(0x7ff12c97c9a0, 24 [pid 5398] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5394] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5393] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5392] +++ exited with 0 +++ [pid 5399] <... set_robust_list resumed>) = 0 [pid 5398] <... futex resumed>) = 1 [pid 5396] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5395] <... futex resumed>) = 0 [pid 5393] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5392, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5399] rt_sigprocmask(SIG_SETMASK, [], [pid 5398] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5395] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5395] <... futex resumed>) = 0 [pid 5393] <... clone3 resumed> => {parent_tid=[5400]}, 88) = 5400 ./strace-static-x86_64: Process 5401 attached ./strace-static-x86_64: Process 5400 attached [pid 5399] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5398] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5401] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5400] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5401] <... rseq resumed>) = 0 [pid 5400] <... rseq resumed>) = 0 [pid 5399] <... openat resumed>) = 3 [pid 5398] <... ioctl resumed>) = 0 [pid 5395] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5393] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5401] set_robust_list(0x7ff12c97c9a0, 24 [pid 5400] set_robust_list(0x7ff12c97c9a0, 24./strace-static-x86_64: Process 5402 attached [pid 5401] <... set_robust_list resumed>) = 0 [pid 5400] <... set_robust_list resumed>) = 0 [pid 5399] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] <... clone3 resumed> => {parent_tid=[5401]}, 88) = 5401 [pid 5393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5401] rt_sigprocmask(SIG_SETMASK, [], [pid 5400] rt_sigprocmask(SIG_SETMASK, [], [pid 5399] <... futex resumed>) = 1 [pid 5396] rt_sigprocmask(SIG_SETMASK, [], [pid 5394] <... futex resumed>) = 0 [pid 5393] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5402] set_robust_list(0x555581d606a0, 24 [pid 5401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5400] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5401] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5400] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5399] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5398] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5394] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] <... futex resumed>) = 0 [pid 5402] <... set_robust_list resumed>) = 0 [pid 5400] <... openat resumed>) = 3 [pid 5399] <... ioctl resumed>) = 0 [pid 5398] <... futex resumed>) = 1 [pid 5396] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5395] <... futex resumed>) = 0 [pid 5394] <... futex resumed>) = 0 [pid 5393] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5401] <... futex resumed>) = 0 [pid 5400] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5399] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5398] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5396] <... futex resumed>) = 1 [pid 5395] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5394] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5402 [pid 5399] <... futex resumed>) = 0 [pid 5398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5396] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5395] <... futex resumed>) = 0 [pid 5394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5393] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5399] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5398] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5395] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5394] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] <... futex resumed>) = 0 [pid 5399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5398] <... ioctl resumed>) = 0 [pid 5394] <... futex resumed>) = 0 [pid 5393] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5399] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5398] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5394] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5399] <... ioctl resumed>) = 0 [pid 5398] <... futex resumed>) = 1 [pid 5395] <... futex resumed>) = 0 [pid 5399] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5398] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5395] exit_group(0 [pid 5399] <... futex resumed>) = 1 [pid 5398] <... futex resumed>) = ? [pid 5395] <... exit_group resumed>) = ? [pid 5394] <... futex resumed>) = 0 [pid 5400] <... futex resumed>) = 1 [pid 5399] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5398] +++ exited with 0 +++ [pid 5402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5401] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5395] +++ exited with 0 +++ [pid 5394] exit_group(0 [pid 5393] <... futex resumed>) = 0 [pid 5402] <... prctl resumed>) = 0 [pid 5401] <... openat resumed>) = 3 [pid 5400] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5399] <... futex resumed>) = ? [pid 5394] <... exit_group resumed>) = ? [pid 5393] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=46000000} [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5395, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5402] setpgid(0, 0 [pid 5401] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5400] <... ioctl resumed>) = 0 [pid 5399] +++ exited with 0 +++ [pid 5394] +++ exited with 0 +++ [pid 5402] <... setpgid resumed>) = 0 [pid 5401] <... futex resumed>) = 1 [pid 5400] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5394, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5401] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5400] <... futex resumed>) = 1 [pid 5396] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] <... futex resumed>) = 0 [pid 5401] <... ioctl resumed>) = 0 [pid 5400] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5396] <... futex resumed>) = 0 [pid 5393] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5401] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5396] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5393] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5403 attached [pid 5402] <... openat resumed>) = 3 [pid 5401] <... futex resumed>) = 0 [pid 5400] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5393] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5401] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5400] <... ioctl resumed>) = 0 [pid 5396] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5400] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5403] set_robust_list(0x555581d606a0, 24 [pid 5402] write(3, "1000", 4 [pid 5401] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5400] <... futex resumed>) = 1 [pid 5403] <... set_robust_list resumed>) = 0 [pid 5400] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5401] <... ioctl resumed>) = 0 [pid 5401] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5401] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5403] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5402] <... write resumed>) = 4 [pid 5401] <... futex resumed>) = 0 [pid 5396] <... futex resumed>) = 1 [pid 5393] <... futex resumed>) = 0 [pid 5402] close(3 [pid 5403] <... prctl resumed>) = 0 [pid 5402] <... close resumed>) = 0 [pid 5401] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5396] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5393] exit_group(0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5404 attached [pid 5403] setpgid(0, 0 [pid 5402] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5400] <... futex resumed>) = ? [pid 5396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5393] <... exit_group resumed>) = ? [pid 5404] set_robust_list(0x555581d606a0, 24 [pid 5403] <... setpgid resumed>) = 0 [pid 5402] <... futex resumed>) = 0 [pid 5400] +++ exited with 0 +++ [pid 5396] exit_group(0 [pid 5393] +++ exited with 0 +++ [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5403 [pid 5404] <... set_robust_list resumed>) = 0 [pid 5401] <... futex resumed>) = ? [pid 5396] <... exit_group resumed>) = ? [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5393, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5404] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5402] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5401] +++ exited with 0 +++ [pid 5396] +++ exited with 0 +++ [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5404 [pid 5404] <... prctl resumed>) = 0 [pid 5402] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5396, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5404] setpgid(0, 0 [pid 5403] <... openat resumed>) = 3 [pid 5402] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5066] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5405 attached [pid 5404] <... setpgid resumed>) = 0 [pid 5403] write(3, "1000", 4 [pid 5402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5405] set_robust_list(0x555581d606a0, 24 [pid 5404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5403] <... write resumed>) = 4 [pid 5402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5405] <... set_robust_list resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5405] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5404] <... openat resumed>) = 3 [pid 5403] close(3 [pid 5402] <... mmap resumed>) = 0x7ff12c95c000 ./strace-static-x86_64: Process 5406 attached [pid 5405] <... prctl resumed>) = 0 [pid 5404] write(3, "1000", 4 [pid 5403] <... close resumed>) = 0 [pid 5402] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5406 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5405 [pid 5406] set_robust_list(0x555581d606a0, 24 [pid 5405] setpgid(0, 0 [pid 5404] <... write resumed>) = 4 [pid 5403] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5402] <... mprotect resumed>) = 0 [pid 5406] <... set_robust_list resumed>) = 0 [pid 5405] <... setpgid resumed>) = 0 [pid 5404] close(3 [pid 5406] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5403] <... futex resumed>) = 0 [pid 5406] <... prctl resumed>) = 0 [pid 5406] setpgid(0, 0) = 0 [pid 5406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5402] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5403] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5403] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5404] <... close resumed>) = 0 [pid 5403] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5402] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5406] <... openat resumed>) = 3 [pid 5406] write(3, "1000", 4 [pid 5404] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5402] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5406] <... write resumed>) = 4 ./strace-static-x86_64: Process 5407 attached [pid 5406] close(3 [pid 5403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5407] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5406] <... close resumed>) = 0 [pid 5407] <... rseq resumed>) = 0 [pid 5406] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5404] <... futex resumed>) = 0 [pid 5403] <... mmap resumed>) = 0x7ff12c95c000 [pid 5402] <... clone3 resumed> => {parent_tid=[5407]}, 88) = 5407 [pid 5407] set_robust_list(0x7ff12c97c9a0, 24 [pid 5406] <... futex resumed>) = 0 [pid 5407] <... set_robust_list resumed>) = 0 [pid 5406] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5404] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5403] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5402] rt_sigprocmask(SIG_SETMASK, [], [pid 5407] rt_sigprocmask(SIG_SETMASK, [], [pid 5406] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5405] <... openat resumed>) = 3 [pid 5404] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5403] <... mprotect resumed>) = 0 [pid 5407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5406] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5404] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5402] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5405] write(3, "1000", 4 [pid 5404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5403] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5402] <... futex resumed>) = 0 [pid 5407] <... openat resumed>) = 3 [pid 5406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5405] <... write resumed>) = 4 [pid 5404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5403] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5402] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5407] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] <... mmap resumed>) = 0x7ff12c95c000 [pid 5407] <... futex resumed>) = 1 [pid 5406] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5402] <... futex resumed>) = 0 [pid 5404] <... mmap resumed>) = 0x7ff12c95c000 ./strace-static-x86_64: Process 5408 attached [pid 5407] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5406] <... mprotect resumed>) = 0 [pid 5405] close(3 [pid 5404] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5402] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5402] <... futex resumed>) = 0 [pid 5408] <... rseq resumed>) = 0 [pid 5407] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5406] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5405] <... close resumed>) = 0 [pid 5404] <... mprotect resumed>) = 0 [pid 5403] <... clone3 resumed> => {parent_tid=[5408]}, 88) = 5408 [pid 5402] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5408] set_robust_list(0x7ff12c97c9a0, 24 [pid 5407] <... ioctl resumed>) = 0 [pid 5408] <... set_robust_list resumed>) = 0 [pid 5407] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5405] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5403] rt_sigprocmask(SIG_SETMASK, [], [pid 5408] rt_sigprocmask(SIG_SETMASK, [], [pid 5407] <... futex resumed>) = 1 [pid 5406] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5405] <... futex resumed>) = 0 [pid 5404] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5402] <... futex resumed>) = 0 [pid 5408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5405] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5403] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5405] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5403] <... futex resumed>) = 0 [pid 5405] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5404] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5403] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5404] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5409 attached [pid 5408] <... openat resumed>) = 3 [pid 5407] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5402] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5407] <... ioctl resumed>) = 0 [pid 5406] <... clone3 resumed> => {parent_tid=[5409]}, 88) = 5409 [pid 5402] <... futex resumed>) = 0 [pid 5409] <... rseq resumed>) = 0 [pid 5407] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] rt_sigprocmask(SIG_SETMASK, [], [pid 5402] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5409] set_robust_list(0x7ff12c97c9a0, 24 [pid 5407] <... futex resumed>) = 0 [pid 5406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5409] <... set_robust_list resumed>) = 0 [pid 5407] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5406] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5402] exit_group(0 [pid 5409] rt_sigprocmask(SIG_SETMASK, [], [pid 5407] <... futex resumed>) = ? [pid 5406] <... futex resumed>) = 0 [pid 5402] <... exit_group resumed>) = ? [pid 5409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5408] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] +++ exited with 0 +++ [pid 5406] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5405] <... mmap resumed>) = 0x7ff12c95c000 [pid 5402] +++ exited with 0 +++ ./strace-static-x86_64: Process 5410 attached [pid 5409] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5408] <... futex resumed>) = 1 [pid 5405] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5403] <... futex resumed>) = 0 [pid 5410] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5409] <... openat resumed>) = 3 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5402, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5410] <... rseq resumed>) = 0 [pid 5410] set_robust_list(0x7ff12c97c9a0, 24 [pid 5409] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] <... set_robust_list resumed>) = 0 [pid 5410] rt_sigprocmask(SIG_SETMASK, [], [pid 5409] <... futex resumed>) = 1 [pid 5406] <... futex resumed>) = 0 [pid 5410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5409] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5406] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5411 attached [pid 5410] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5408] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5406] <... futex resumed>) = 0 [pid 5405] <... mprotect resumed>) = 0 [pid 5404] <... clone3 resumed> => {parent_tid=[5410]}, 88) = 5410 [pid 5403] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5408] <... ioctl resumed>) = 0 [pid 5406] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5403] <... futex resumed>) = 0 [pid 5404] rt_sigprocmask(SIG_SETMASK, [], [pid 5408] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] set_robust_list(0x555581d606a0, 24 [pid 5408] <... futex resumed>) = 0 [pid 5404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5411] <... set_robust_list resumed>) = 0 [pid 5405] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5403] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5408] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5404] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5409] <... ioctl resumed>) = 0 [pid 5405] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5404] <... futex resumed>) = 1 [pid 5403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5411] <... prctl resumed>) = 0 [pid 5405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5404] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5403] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] <... futex resumed>) = 0 [pid 5409] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] setpgid(0, 0 [pid 5410] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5409] <... futex resumed>) = 1 [pid 5408] <... futex resumed>) = 0 [pid 5406] <... futex resumed>) = 0 [pid 5403] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5412 attached [pid 5411] <... setpgid resumed>) = 0 [pid 5410] <... openat resumed>) = 3 [pid 5409] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5408] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5406] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5403] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5411 [pid 5412] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5406] <... futex resumed>) = 0 [pid 5412] <... rseq resumed>) = 0 [pid 5410] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5408] <... ioctl resumed>) = 0 [pid 5406] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5412] set_robust_list(0x7ff12c97c9a0, 24 [pid 5411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5410] <... futex resumed>) = 1 [pid 5409] <... ioctl resumed>) = 0 [pid 5408] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] <... clone3 resumed> => {parent_tid=[5412]}, 88) = 5412 [pid 5404] <... futex resumed>) = 0 [pid 5412] <... set_robust_list resumed>) = 0 [pid 5410] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5409] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] <... futex resumed>) = 1 [pid 5405] rt_sigprocmask(SIG_SETMASK, [], [pid 5404] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5403] <... futex resumed>) = 0 [pid 5412] rt_sigprocmask(SIG_SETMASK, [], [pid 5411] <... openat resumed>) = 3 [pid 5410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5409] <... futex resumed>) = 1 [pid 5408] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5406] <... futex resumed>) = 0 [pid 5405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5404] <... futex resumed>) = 0 [pid 5403] exit_group(0 [pid 5412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5410] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5409] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5406] exit_group(0 [pid 5403] <... exit_group resumed>) = ? [pid 5412] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5411] write(3, "1000", 4 [pid 5410] <... ioctl resumed>) = 0 [pid 5409] <... futex resumed>) = ? [pid 5408] <... futex resumed>) = ? [pid 5406] <... exit_group resumed>) = ? [pid 5405] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5404] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5411] <... write resumed>) = 4 [pid 5409] +++ exited with 0 +++ [pid 5405] <... futex resumed>) = 0 [pid 5405] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5411] close(3 [pid 5412] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5411] <... close resumed>) = 0 [pid 5410] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] +++ exited with 0 +++ [pid 5412] <... openat resumed>) = 3 [pid 5411] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] <... futex resumed>) = 1 [pid 5404] <... futex resumed>) = 0 [pid 5412] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... futex resumed>) = 0 [pid 5410] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5408] +++ exited with 0 +++ [pid 5404] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5403] +++ exited with 0 +++ [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5406, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5412] <... futex resumed>) = 1 [pid 5411] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5405] <... futex resumed>) = 0 [pid 5404] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5403, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5413 attached [pid 5412] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5411] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5410] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5405] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5404] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5411] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5410] <... ioctl resumed>) = 0 [pid 5405] <... futex resumed>) = 0 [pid 5413] set_robust_list(0x555581d606a0, 24 [pid 5411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5413] <... set_robust_list resumed>) = 0 [pid 5405] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5412] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5410] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5412] <... ioctl resumed>) = 0 [pid 5411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5410] <... futex resumed>) = 1 [pid 5404] <... futex resumed>) = 0 [pid 5413] <... prctl resumed>) = 0 [pid 5412] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... mmap resumed>) = 0x7ff12c95c000 [pid 5410] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5404] exit_group(0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5413 [pid 5413] setpgid(0, 0 [pid 5412] <... futex resumed>) = 1 [pid 5411] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5410] <... futex resumed>) = ? [pid 5405] <... futex resumed>) = 0 [pid 5404] <... exit_group resumed>) = ? [pid 5413] <... setpgid resumed>) = 0 [pid 5412] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5411] <... mprotect resumed>) = 0 [pid 5410] +++ exited with 0 +++ [pid 5405] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5404] +++ exited with 0 +++ [pid 5412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5412] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5405] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5412] <... ioctl resumed>) = 0 [pid 5412] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5412] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5404, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5411] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5405] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5414 attached [pid 5413] <... openat resumed>) = 3 [pid 5411] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5414 [pid 5414] set_robust_list(0x555581d606a0, 24 [pid 5413] write(3, "1000", 4 [pid 5411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5405] exit_group(0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5416 attached ./strace-static-x86_64: Process 5415 attached [pid 5414] <... set_robust_list resumed>) = 0 [pid 5413] <... write resumed>) = 4 [pid 5412] <... futex resumed>) = ? [pid 5405] <... exit_group resumed>) = ? [pid 5416] set_robust_list(0x555581d606a0, 24 [pid 5415] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5412] +++ exited with 0 +++ [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5416 [pid 5416] <... set_robust_list resumed>) = 0 [pid 5415] <... rseq resumed>) = 0 [pid 5414] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5413] close(3 [pid 5411] <... clone3 resumed> => {parent_tid=[5415]}, 88) = 5415 [pid 5405] +++ exited with 0 +++ [pid 5416] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5415] set_robust_list(0x7ff12c97c9a0, 24 [pid 5414] <... prctl resumed>) = 0 [pid 5413] <... close resumed>) = 0 [pid 5411] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5405, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5416] <... prctl resumed>) = 0 [pid 5415] <... set_robust_list resumed>) = 0 [pid 5414] setpgid(0, 0 [pid 5413] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5415] rt_sigprocmask(SIG_SETMASK, [], [pid 5413] <... futex resumed>) = 0 [pid 5411] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5416] setpgid(0, 0 [pid 5415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5414] <... setpgid resumed>) = 0 [pid 5411] <... futex resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5416] <... setpgid resumed>) = 0 [pid 5415] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5413] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5411] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5415] <... openat resumed>) = 3 [pid 5413] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5413] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 ./strace-static-x86_64: Process 5417 attached [pid 5416] <... openat resumed>) = 3 [pid 5415] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] <... openat resumed>) = 3 [pid 5413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5414] write(3, "1000", 4 [pid 5417] set_robust_list(0x555581d606a0, 24 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5417 [pid 5414] <... write resumed>) = 4 [pid 5417] <... set_robust_list resumed>) = 0 [pid 5414] close(3 [pid 5417] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5416] write(3, "1000", 4 [pid 5415] <... futex resumed>) = 1 [pid 5414] <... close resumed>) = 0 [pid 5413] <... mmap resumed>) = 0x7ff12c95c000 [pid 5411] <... futex resumed>) = 0 [pid 5417] <... prctl resumed>) = 0 [pid 5416] <... write resumed>) = 4 [pid 5415] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5414] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5411] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5417] setpgid(0, 0 [pid 5416] close(3 [pid 5415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5414] <... futex resumed>) = 0 [pid 5411] <... futex resumed>) = 0 [pid 5417] <... setpgid resumed>) = 0 [pid 5416] <... close resumed>) = 0 [pid 5413] <... mprotect resumed>) = 0 [pid 5411] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5416] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5415] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5414] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5417] <... openat resumed>) = 3 [pid 5416] <... futex resumed>) = 0 [pid 5414] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5413] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5415] <... ioctl resumed>) = 0 [pid 5414] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5415] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5413] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5415] <... futex resumed>) = 1 [pid 5414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5415] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5417] write(3, "1000", 4 [pid 5416] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5414] <... mmap resumed>) = 0x7ff12c95c000 [pid 5411] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5418 attached [pid 5417] <... write resumed>) = 4 [pid 5416] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5414] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5411] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5418] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5417] close(3 [pid 5416] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5411] <... futex resumed>) = 1 [pid 5413] <... clone3 resumed> => {parent_tid=[5418]}, 88) = 5418 [pid 5415] <... futex resumed>) = 0 [pid 5418] <... rseq resumed>) = 0 [pid 5417] <... close resumed>) = 0 [pid 5416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5414] <... mprotect resumed>) = 0 [pid 5411] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5418] set_robust_list(0x7ff12c97c9a0, 24 [pid 5417] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5415] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5413] rt_sigprocmask(SIG_SETMASK, [], [pid 5414] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5418] <... set_robust_list resumed>) = 0 [pid 5417] <... futex resumed>) = 0 [pid 5416] <... mmap resumed>) = 0x7ff12c95c000 [pid 5415] <... ioctl resumed>) = 0 [pid 5414] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5418] rt_sigprocmask(SIG_SETMASK, [], [pid 5417] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5416] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5415] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5413] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5417] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5416] <... mprotect resumed>) = 0 [pid 5411] <... futex resumed>) = 0 [pid 5418] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5417] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5413] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5419 attached [pid 5418] <... openat resumed>) = 3 [pid 5417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5416] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5415] <... futex resumed>) = 1 [pid 5413] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5411] exit_group(0 [pid 5419] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5418] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5414] <... clone3 resumed> => {parent_tid=[5419]}, 88) = 5419 [pid 5413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5411] <... exit_group resumed>) = ? [pid 5419] <... rseq resumed>) = 0 [pid 5418] <... futex resumed>) = 0 [pid 5417] <... mmap resumed>) = 0x7ff12c95c000 [pid 5416] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5415] +++ exited with 0 +++ [pid 5414] rt_sigprocmask(SIG_SETMASK, [], [pid 5413] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] +++ exited with 0 +++ [pid 5419] set_robust_list(0x7ff12c97c9a0, 24 [pid 5418] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5413] <... futex resumed>) = 0 [pid 5419] <... set_robust_list resumed>) = 0 [pid 5418] <... ioctl resumed>) = 0 [pid 5417] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5414] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5420 attached [pid 5419] rt_sigprocmask(SIG_SETMASK, [], [pid 5418] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5417] <... mprotect resumed>) = 0 [pid 5414] <... futex resumed>) = 0 [pid 5413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5411, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5420] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5418] <... futex resumed>) = 0 [pid 5417] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5416] <... clone3 resumed> => {parent_tid=[5420]}, 88) = 5420 [pid 5414] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5413] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5420] <... rseq resumed>) = 0 [pid 5419] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5418] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5417] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5416] rt_sigprocmask(SIG_SETMASK, [], [pid 5417] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5413] <... futex resumed>) = 0 [pid 5416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5416] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5421 attached [pid 5417] <... clone3 resumed> => {parent_tid=[5421]}, 88) = 5421 [pid 5416] <... futex resumed>) = 0 [pid 5421] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5420] set_robust_list(0x7ff12c97c9a0, 24 [pid 5417] rt_sigprocmask(SIG_SETMASK, [], [pid 5420] <... set_robust_list resumed>) = 0 [pid 5413] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5422 attached [pid 5421] <... rseq resumed>) = 0 [pid 5420] rt_sigprocmask(SIG_SETMASK, [], [pid 5419] <... openat resumed>) = 3 [pid 5418] <... ioctl resumed>) = 0 [pid 5417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5416] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5422 [pid 5422] set_robust_list(0x555581d606a0, 24 [pid 5421] set_robust_list(0x7ff12c97c9a0, 24 [pid 5420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5419] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5418] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5417] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] <... set_robust_list resumed>) = 0 [pid 5421] <... set_robust_list resumed>) = 0 [pid 5418] <... futex resumed>) = 1 [pid 5417] <... futex resumed>) = 0 [pid 5413] <... futex resumed>) = 0 [pid 5420] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5422] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5421] rt_sigprocmask(SIG_SETMASK, [], [pid 5419] <... futex resumed>) = 1 [pid 5418] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5417] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5414] <... futex resumed>) = 0 [pid 5413] exit_group(0 [pid 5422] <... prctl resumed>) = 0 [pid 5421] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5420] <... openat resumed>) = 3 [pid 5422] setpgid(0, 0 [pid 5421] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5419] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5418] <... futex resumed>) = ? [pid 5414] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] <... exit_group resumed>) = ? [pid 5420] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] <... setpgid resumed>) = 0 [pid 5414] <... futex resumed>) = 0 [pid 5422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5421] <... openat resumed>) = 3 [pid 5420] <... futex resumed>) = 1 [pid 5416] <... futex resumed>) = 0 [pid 5414] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5422] <... openat resumed>) = 3 [pid 5421] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5420] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5419] <... ioctl resumed>) = 0 [pid 5416] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5416] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5420] <... ioctl resumed>) = 0 [pid 5419] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5420] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5419] <... futex resumed>) = 1 [pid 5414] <... futex resumed>) = 0 [pid 5420] <... futex resumed>) = 0 [pid 5419] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5414] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5420] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5414] <... futex resumed>) = 0 [pid 5414] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5422] write(3, "1000", 4 [pid 5421] <... futex resumed>) = 1 [pid 5419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5417] <... futex resumed>) = 0 [pid 5416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5422] <... write resumed>) = 4 [pid 5421] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5419] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5418] +++ exited with 0 +++ [pid 5417] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5416] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] +++ exited with 0 +++ [pid 5422] close(3 [pid 5421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5420] <... futex resumed>) = 0 [pid 5419] <... ioctl resumed>) = 0 [pid 5417] <... futex resumed>) = 0 [pid 5416] <... futex resumed>) = 1 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5413, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5422] <... close resumed>) = 0 [pid 5421] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5420] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5419] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5417] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5416] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5422] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5421] <... ioctl resumed>) = 0 [pid 5420] <... ioctl resumed>) = 0 [pid 5419] <... futex resumed>) = 1 [pid 5414] <... futex resumed>) = 0 [pid 5422] <... futex resumed>) = 0 [pid 5421] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5420] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5419] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5414] exit_group(0 [pid 5421] <... futex resumed>) = 1 [pid 5420] <... futex resumed>) = 1 [pid 5419] <... futex resumed>) = ? [pid 5417] <... futex resumed>) = 0 [pid 5416] <... futex resumed>) = 0 [pid 5414] <... exit_group resumed>) = ? [pid 5422] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5421] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5420] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5419] +++ exited with 0 +++ [pid 5417] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5416] exit_group(0 [pid 5422] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5417] <... futex resumed>) = 0 [pid 5420] <... futex resumed>) = ? [pid 5416] <... exit_group resumed>) = ? [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5420] +++ exited with 0 +++ [pid 5417] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5422] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5421] ioctl(3, SNDRV_TIMER_IOCTL_START, 0) = 0 [pid 5422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5421] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] +++ exited with 0 +++ ./strace-static-x86_64: Process 5423 attached [pid 5422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5421] <... futex resumed>) = 1 [pid 5417] <... futex resumed>) = 0 [pid 5416] +++ exited with 0 +++ [pid 5423] set_robust_list(0x555581d606a0, 24 [pid 5422] <... mmap resumed>) = 0x7ff12c95c000 [pid 5421] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5417] exit_group(0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5416, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5414, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5423 [pid 5423] <... set_robust_list resumed>) = 0 [pid 5421] <... futex resumed>) = ? [pid 5417] <... exit_group resumed>) = ? [pid 5422] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5423] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5421] +++ exited with 0 +++ [pid 5068] <... restart_syscall resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5424 attached [pid 5422] <... mprotect resumed>) = 0 [pid 5417] +++ exited with 0 +++ [pid 5423] <... prctl resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5424] set_robust_list(0x555581d606a0, 24 [pid 5423] setpgid(0, 0 [pid 5422] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5424 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5417, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5424] <... set_robust_list resumed>) = 0 [pid 5423] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5425 attached [pid 5424] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5422] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5425] set_robust_list(0x555581d606a0, 24 [pid 5422] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5425 [pid 5425] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5426 attached [pid 5425] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5424] <... prctl resumed>) = 0 [pid 5423] <... openat resumed>) = 3 [pid 5426] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5425] <... prctl resumed>) = 0 [pid 5424] setpgid(0, 0 [pid 5423] write(3, "1000", 4 [pid 5422] <... clone3 resumed> => {parent_tid=[5426]}, 88) = 5426 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5426] <... rseq resumed>) = 0 [pid 5425] setpgid(0, 0 [pid 5423] <... write resumed>) = 4 [pid 5422] rt_sigprocmask(SIG_SETMASK, [], [pid 5424] <... setpgid resumed>) = 0 [pid 5424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5426] set_robust_list(0x7ff12c97c9a0, 24 [pid 5425] <... setpgid resumed>) = 0 [pid 5424] <... openat resumed>) = 3 [pid 5423] close(3 [pid 5422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5426] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5427 attached [pid 5426] rt_sigprocmask(SIG_SETMASK, [], [pid 5425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5423] <... close resumed>) = 0 [pid 5422] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5426] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5424] write(3, "1000", 4 [pid 5423] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] <... futex resumed>) = 0 [pid 5427] set_robust_list(0x555581d606a0, 24 [pid 5426] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5425] <... openat resumed>) = 3 [pid 5424] <... write resumed>) = 4 [pid 5423] <... futex resumed>) = 0 [pid 5422] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5427 [pid 5426] <... openat resumed>) = 3 [pid 5425] write(3, "1000", 4 [pid 5424] close(3 [pid 5423] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5427] <... set_robust_list resumed>) = 0 [pid 5426] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5425] <... write resumed>) = 4 [pid 5423] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5426] <... futex resumed>) = 1 [pid 5425] close(3 [pid 5423] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5422] <... futex resumed>) = 0 [pid 5426] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5422] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5425] <... close resumed>) = 0 [pid 5423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5422] <... futex resumed>) = 0 [pid 5426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5422] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5425] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5426] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5424] <... close resumed>) = 0 [pid 5423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5425] <... futex resumed>) = 0 [pid 5427] <... prctl resumed>) = 0 [pid 5426] <... ioctl resumed>) = 0 [pid 5425] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5424] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] <... mmap resumed>) = 0x7ff12c95c000 [pid 5424] <... futex resumed>) = 0 [pid 5424] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5424] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5424] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5427] setpgid(0, 0 [pid 5425] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5426] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5425] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5423] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5427] <... setpgid resumed>) = 0 [pid 5426] <... futex resumed>) = 1 [pid 5425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5424] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5423] <... mprotect resumed>) = 0 [pid 5422] <... futex resumed>) = 0 [pid 5426] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5424] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5423] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5422] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5425] <... mmap resumed>) = 0x7ff12c95c000 [pid 5424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5422] <... futex resumed>) = 0 [pid 5427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5426] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5425] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5422] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5428 attached [pid 5424] <... clone3 resumed> => {parent_tid=[5428]}, 88) = 5428 [pid 5428] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5426] <... ioctl resumed>) = 0 [pid 5424] rt_sigprocmask(SIG_SETMASK, [], [pid 5428] <... rseq resumed>) = 0 [pid 5426] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5425] <... mprotect resumed>) = 0 [pid 5424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5423] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5428] set_robust_list(0x7ff12c97c9a0, 24 [pid 5424] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5422] <... futex resumed>) = 0 [pid 5428] <... set_robust_list resumed>) = 0 [pid 5427] <... openat resumed>) = 3 [pid 5424] <... futex resumed>) = 0 [pid 5422] exit_group(0./strace-static-x86_64: Process 5429 attached [pid 5428] rt_sigprocmask(SIG_SETMASK, [], [pid 5427] write(3, "1000", 4 [pid 5426] <... futex resumed>) = ? [pid 5425] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5424] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5422] <... exit_group resumed>) = ? [pid 5429] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5427] <... write resumed>) = 4 [pid 5426] +++ exited with 0 +++ [pid 5425] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5423] <... clone3 resumed> => {parent_tid=[5429]}, 88) = 5429 [pid 5429] <... rseq resumed>) = 0 [pid 5428] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5427] close(3 [pid 5425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5423] rt_sigprocmask(SIG_SETMASK, [], [pid 5429] set_robust_list(0x7ff12c97c9a0, 24 [pid 5428] <... openat resumed>) = 3 [pid 5427] <... close resumed>) = 0 [pid 5423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5429] <... set_robust_list resumed>) = 0 [pid 5429] rt_sigprocmask(SIG_SETMASK, [], [pid 5427] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] +++ exited with 0 +++ [pid 5429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5428] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] <... futex resumed>) = 0 [pid 5425] <... clone3 resumed> => {parent_tid=[5430]}, 88) = 5430 [pid 5423] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5422, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5429] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5428] <... futex resumed>) = 1 [pid 5427] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5425] rt_sigprocmask(SIG_SETMASK, [], [pid 5424] <... futex resumed>) = 0 [pid 5423] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5429] <... openat resumed>) = 3 [pid 5428] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5427] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5424] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5427] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5425] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] <... futex resumed>) = 0 [pid 5429] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5427] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5425] <... futex resumed>) = 0 [pid 5424] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5429] <... futex resumed>) = 1 [pid 5428] <... ioctl resumed>) = 0 [pid 5427] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5425] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5423] <... futex resumed>) = 0 [pid 5429] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5428] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] <... mmap resumed>) = 0x7ff12c95c000 [pid 5423] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5428] <... futex resumed>) = 1 [pid 5424] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5430 attached [pid 5429] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5428] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5427] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5424] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] <... futex resumed>) = 0 [pid 5429] <... ioctl resumed>) = 0 [pid 5428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5427] <... mprotect resumed>) = 0 [pid 5424] <... futex resumed>) = 0 [pid 5430] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5423] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5430] <... rseq resumed>) = 0 [pid 5430] set_robust_list(0x7ff12c97c9a0, 24 [pid 5429] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5427] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5424] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5430] <... set_robust_list resumed>) = 0 [pid 5429] <... futex resumed>) = 1 [pid 5428] <... ioctl resumed>) = 0 [pid 5423] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5431 attached [pid 5430] rt_sigprocmask(SIG_SETMASK, [], [pid 5429] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5428] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5423] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5429] <... ioctl resumed>) = 0 [pid 5428] <... futex resumed>) = 1 [pid 5427] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5424] <... futex resumed>) = 0 [pid 5423] <... futex resumed>) = 0 [pid 5431] set_robust_list(0x555581d606a0, 24 [pid 5424] exit_group(0 [pid 5423] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5430] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5431] <... set_robust_list resumed>) = 0 [pid 5428] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5424] <... exit_group resumed>) = ? [pid 5428] <... futex resumed>) = ? [pid 5429] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5432 attached [pid 5431] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5430] <... openat resumed>) = 3 [pid 5429] <... futex resumed>) = 1 [pid 5428] +++ exited with 0 +++ [pid 5424] +++ exited with 0 +++ [pid 5429] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5427] <... clone3 resumed> => {parent_tid=[5432]}, 88) = 5432 [pid 5423] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5424, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5427] rt_sigprocmask(SIG_SETMASK, [], [pid 5423] exit_group(0 [pid 5427] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5429] <... futex resumed>) = ? [pid 5427] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] <... exit_group resumed>) = ? [pid 5432] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5431] <... prctl resumed>) = 0 [pid 5430] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] +++ exited with 0 +++ [pid 5427] <... futex resumed>) = 0 [pid 5423] +++ exited with 0 +++ [pid 5432] <... rseq resumed>) = 0 [pid 5431] setpgid(0, 0 [pid 5430] <... futex resumed>) = 1 [pid 5427] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5425] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5431 [pid 5432] set_robust_list(0x7ff12c97c9a0, 24 [pid 5431] <... setpgid resumed>) = 0 [pid 5430] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5425] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5423, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5432] <... set_robust_list resumed>) = 0 [pid 5431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5425] <... futex resumed>) = 0 [pid 5432] rt_sigprocmask(SIG_SETMASK, [], [pid 5425] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5430] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... restart_syscall resumed>) = 0 [pid 5432] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5431] <... openat resumed>) = 3 [pid 5430] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5433 attached [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5433] set_robust_list(0x555581d606a0, 24 [pid 5432] <... openat resumed>) = 3 [pid 5431] write(3, "1000", 4 [pid 5430] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5434 attached [pid 5433] <... set_robust_list resumed>) = 0 [pid 5431] <... write resumed>) = 4 [pid 5432] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5430] <... futex resumed>) = 1 [pid 5432] <... futex resumed>) = 1 [pid 5431] close(3) = 0 [pid 5430] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5432] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5427] <... futex resumed>) = 0 [pid 5425] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5433 [pid 5431] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5425] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5434] set_robust_list(0x555581d606a0, 24 [pid 5433] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5432] <... futex resumed>) = 0 [pid 5431] <... futex resumed>) = 0 [pid 5427] <... futex resumed>) = 1 [pid 5425] <... futex resumed>) = 1 [pid 5434] <... set_robust_list resumed>) = 0 [pid 5433] <... prctl resumed>) = 0 [pid 5432] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5431] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5430] <... futex resumed>) = 0 [pid 5427] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5425] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5434] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5433] setpgid(0, 0 [pid 5432] <... ioctl resumed>) = 0 [pid 5431] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5430] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5434 [pid 5432] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5430] <... ioctl resumed>) = 0 [pid 5434] <... prctl resumed>) = 0 [pid 5431] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5433] <... setpgid resumed>) = 0 [pid 5432] <... futex resumed>) = 1 [pid 5434] setpgid(0, 0 [pid 5430] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] <... futex resumed>) = 0 [pid 5431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5432] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5430] <... futex resumed>) = 1 [pid 5427] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5425] <... futex resumed>) = 0 [pid 5431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5430] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5427] <... futex resumed>) = 0 [pid 5433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5425] exit_group(0 [pid 5434] <... setpgid resumed>) = 0 [pid 5432] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5431] <... mmap resumed>) = 0x7ff12c95c000 [pid 5430] <... futex resumed>) = ? [pid 5427] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5425] <... exit_group resumed>) = ? [pid 5434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5433] <... openat resumed>) = 3 [pid 5432] <... ioctl resumed>) = 0 [pid 5431] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5430] +++ exited with 0 +++ [pid 5425] +++ exited with 0 +++ [pid 5432] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5425, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5434] <... openat resumed>) = 3 [pid 5433] write(3, "1000", 4 [pid 5432] <... futex resumed>) = 1 [pid 5427] <... futex resumed>) = 0 [pid 5431] <... mprotect resumed>) = 0 [pid 5432] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5427] exit_group(0 [pid 5432] <... futex resumed>) = ? [pid 5427] <... exit_group resumed>) = ? [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5435 attached [pid 5434] write(3, "1000", 4 [pid 5433] <... write resumed>) = 4 [pid 5432] +++ exited with 0 +++ [pid 5431] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5427] +++ exited with 0 +++ [pid 5435] set_robust_list(0x555581d606a0, 24 [pid 5434] <... write resumed>) = 4 [pid 5433] close(3 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5427, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5431] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5433] <... close resumed>) = 0 [pid 5431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5433] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5435] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5436 attached [pid 5436] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 5436] set_robust_list(0x7ff12c97c9a0, 24 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5435 [pid 5436] <... set_robust_list resumed>) = 0 [pid 5433] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5436] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5435] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5434] close(3 [pid 5431] <... clone3 resumed> => {parent_tid=[5436]}, 88) = 5436 [pid 5433] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5436] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5435] <... prctl resumed>) = 0 [pid 5434] <... close resumed>) = 0 [pid 5433] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5431] rt_sigprocmask(SIG_SETMASK, [], [pid 5435] setpgid(0, 0 [pid 5434] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5434] <... futex resumed>) = 0 [pid 5433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5431] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5436] <... futex resumed>) = 0 [pid 5435] <... setpgid resumed>) = 0 [pid 5434] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5433] <... mmap resumed>) = 0x7ff12c95c000 [pid 5431] <... futex resumed>) = 1 [pid 5436] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5434] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5433] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5431] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5436] <... openat resumed>) = 3 [pid 5436] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] <... openat resumed>) = 3 [pid 5434] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5433] <... mprotect resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5435] write(3, "1000", 4 [pid 5434] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5437 attached [pid 5436] <... futex resumed>) = 1 [pid 5435] <... write resumed>) = 4 [pid 5434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5433] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5431] <... futex resumed>) = 0 [pid 5436] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5435] close(3 [pid 5434] <... mmap resumed>) = 0x7ff12c95c000 [pid 5433] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5431] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] set_robust_list(0x555581d606a0, 24 [pid 5435] <... close resumed>) = 0 [pid 5434] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5431] <... futex resumed>) = 0 [pid 5437] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5438 attached [pid 5436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5434] <... mprotect resumed>) = 0 [pid 5431] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5437 [pid 5438] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5437] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5436] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5435] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5434] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5438] <... rseq resumed>) = 0 [pid 5437] <... prctl resumed>) = 0 [pid 5436] <... ioctl resumed>) = 0 [pid 5435] <... futex resumed>) = 0 [pid 5434] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5433] <... clone3 resumed> => {parent_tid=[5438]}, 88) = 5438 [pid 5438] set_robust_list(0x7ff12c97c9a0, 24 [pid 5437] setpgid(0, 0 [pid 5436] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5433] rt_sigprocmask(SIG_SETMASK, [], [pid 5438] <... set_robust_list resumed>) = 0 [pid 5437] <... setpgid resumed>) = 0 [pid 5436] <... futex resumed>) = 1 [pid 5435] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5431] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5439 attached [pid 5438] rt_sigprocmask(SIG_SETMASK, [], [pid 5437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5436] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5435] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5434] <... clone3 resumed> => {parent_tid=[5439]}, 88) = 5439 [pid 5433] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5431] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5439] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5437] <... openat resumed>) = 3 [pid 5436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5434] rt_sigprocmask(SIG_SETMASK, [], [pid 5433] <... futex resumed>) = 0 [pid 5431] <... futex resumed>) = 0 [pid 5439] <... rseq resumed>) = 0 [pid 5438] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5437] write(3, "1000", 4 [pid 5436] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5433] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5431] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5439] set_robust_list(0x7ff12c97c9a0, 24 [pid 5438] <... openat resumed>) = 3 [pid 5437] <... write resumed>) = 4 [pid 5436] <... ioctl resumed>) = 0 [pid 5435] <... mmap resumed>) = 0x7ff12c95c000 [pid 5434] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5439] <... set_robust_list resumed>) = 0 [pid 5438] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] close(3 [pid 5436] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5434] <... futex resumed>) = 0 [pid 5437] <... close resumed>) = 0 [pid 5436] <... futex resumed>) = 1 [pid 5434] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5431] <... futex resumed>) = 0 [pid 5439] rt_sigprocmask(SIG_SETMASK, [], [pid 5438] <... futex resumed>) = 1 [pid 5437] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5436] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5435] <... mprotect resumed>) = 0 [pid 5433] <... futex resumed>) = 0 [pid 5431] exit_group(0 [pid 5439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5438] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5437] <... futex resumed>) = 0 [pid 5436] <... futex resumed>) = ? [pid 5435] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5433] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5431] <... exit_group resumed>) = ? [pid 5439] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5437] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5435] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5433] <... futex resumed>) = 0 [pid 5438] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080) = 0 [pid 5437] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5433] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5439] <... openat resumed>) = 3 [pid 5438] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5440 attached [pid 5439] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5438] <... futex resumed>) = 0 [pid 5437] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5435] <... clone3 resumed> => {parent_tid=[5440]}, 88) = 5440 [pid 5433] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5439] <... futex resumed>) = 1 [pid 5438] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5434] <... futex resumed>) = 0 [pid 5433] <... futex resumed>) = 0 [pid 5440] <... rseq resumed>) = 0 [pid 5439] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5438] <... ioctl resumed>) = 0 [pid 5437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5435] rt_sigprocmask(SIG_SETMASK, [], [pid 5434] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5440] set_robust_list(0x7ff12c97c9a0, 24 [pid 5439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5438] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] <... mmap resumed>) = 0x7ff12c95c000 [pid 5436] +++ exited with 0 +++ [pid 5435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5434] <... futex resumed>) = 0 [pid 5433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5431] +++ exited with 0 +++ [pid 5440] <... set_robust_list resumed>) = 0 [pid 5439] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5437] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5435] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5434] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5433] exit_group(0 [pid 5440] rt_sigprocmask(SIG_SETMASK, [], [pid 5439] <... ioctl resumed>) = 0 [pid 5438] <... futex resumed>) = ? [pid 5435] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5431, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5439] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5438] +++ exited with 0 +++ [pid 5433] <... exit_group resumed>) = ? [pid 5440] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5439] <... futex resumed>) = 1 [pid 5437] <... mprotect resumed>) = 0 [pid 5435] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5434] <... futex resumed>) = 0 [pid 5440] <... openat resumed>) = 3 [pid 5439] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5440] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5440] <... futex resumed>) = 0 [pid 5433] +++ exited with 0 +++ [pid 5440] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5441 attached [pid 5441] set_robust_list(0x555581d606a0, 24) = 0 [pid 5441] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5434] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5441] <... prctl resumed>) = 0 [pid 5439] <... futex resumed>) = 0 [pid 5437] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5435] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5434] <... futex resumed>) = 1 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5441 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5433, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5441] setpgid(0, 0 [pid 5440] <... futex resumed>) = 0 [pid 5439] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5437] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5435] <... futex resumed>) = 1 [pid 5434] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5441] <... setpgid resumed>) = 0 [pid 5440] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5439] <... ioctl resumed>) = 0 [pid 5437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5435] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5440] <... ioctl resumed>) = 0 [pid 5439] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5439] <... futex resumed>) = 1 [pid 5434] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5442 attached [pid 5441] <... openat resumed>) = 3 [pid 5440] <... futex resumed>) = 1 [pid 5439] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5435] <... futex resumed>) = 0 [pid 5434] exit_group(0 [pid 5442] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5440] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5442] <... rseq resumed>) = 0 [pid 5442] set_robust_list(0x7ff12c97c9a0, 24 [pid 5441] write(3, "1000", 4 [pid 5442] <... set_robust_list resumed>) = 0 [pid 5441] <... write resumed>) = 4 [pid 5442] rt_sigprocmask(SIG_SETMASK, [], [pid 5441] close(3 [pid 5442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5441] <... close resumed>) = 0 [pid 5442] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5441] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5441] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5441] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5443 attached [pid 5439] <... futex resumed>) = ? [pid 5437] <... clone3 resumed> => {parent_tid=[5442]}, 88) = 5442 [pid 5435] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5434] <... exit_group resumed>) = ? [pid 5439] +++ exited with 0 +++ [pid 5441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5443 [pid 5441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5441] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5441] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5443] set_robust_list(0x555581d606a0, 24 [pid 5440] <... futex resumed>) = 0 [pid 5437] rt_sigprocmask(SIG_SETMASK, [], [pid 5435] <... futex resumed>) = 1 [pid 5434] +++ exited with 0 +++ [pid 5443] <... set_robust_list resumed>) = 0 [pid 5441] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5440] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5435] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5434, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5443] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5441] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5437] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5444 attached [pid 5443] <... prctl resumed>) = 0 [pid 5442] <... futex resumed>) = 0 [pid 5440] <... ioctl resumed>) = 0 [pid 5437] <... futex resumed>) = 1 [pid 5444] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5443] setpgid(0, 0 [pid 5444] <... rseq resumed>) = 0 [pid 5443] <... setpgid resumed>) = 0 [pid 5437] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5444] set_robust_list(0x7ff12c97c9a0, 24 [pid 5443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5442] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5441] <... clone3 resumed> => {parent_tid=[5444]}, 88) = 5444 [pid 5440] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5444] <... set_robust_list resumed>) = 0 [pid 5443] <... openat resumed>) = 3 [pid 5442] <... openat resumed>) = 3 [pid 5441] rt_sigprocmask(SIG_SETMASK, [], [pid 5440] <... futex resumed>) = 1 [pid 5435] <... futex resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5445 attached [pid 5444] rt_sigprocmask(SIG_SETMASK, [], [pid 5443] write(3, "1000", 4 [pid 5442] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5440] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5435] exit_group(0 [pid 5445] set_robust_list(0x555581d606a0, 24 [pid 5444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5443] <... write resumed>) = 4 [pid 5442] <... futex resumed>) = 1 [pid 5441] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] <... futex resumed>) = 0 [pid 5443] close(3 [pid 5435] <... exit_group resumed>) = ? [pid 5445] <... set_robust_list resumed>) = 0 [pid 5444] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5443] <... close resumed>) = 0 [pid 5442] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5441] <... futex resumed>) = 0 [pid 5440] <... futex resumed>) = ? [pid 5437] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5445] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5444] <... openat resumed>) = 3 [pid 5443] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5441] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5440] +++ exited with 0 +++ [pid 5437] <... futex resumed>) = 0 [pid 5435] +++ exited with 0 +++ [pid 5445] <... prctl resumed>) = 0 [pid 5444] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] <... futex resumed>) = 0 [pid 5442] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5445 [pid 5445] setpgid(0, 0 [pid 5444] <... futex resumed>) = 0 [pid 5443] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5442] <... ioctl resumed>) = 0 [pid 5441] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5435, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5445] <... setpgid resumed>) = 0 [pid 5444] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5443] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5442] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5441] <... futex resumed>) = 0 [pid 5437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5444] <... ioctl resumed>) = 0 [pid 5443] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5442] <... futex resumed>) = 0 [pid 5441] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5437] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5442] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5445] <... openat resumed>) = 3 [pid 5444] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5442] <... ioctl resumed>) = 0 [pid 5437] <... futex resumed>) = 0 [pid 5445] write(3, "1000", 4 [pid 5444] <... futex resumed>) = 1 [pid 5443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5441] <... futex resumed>) = 0 [pid 5437] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5445] <... write resumed>) = 4 [pid 5444] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5443] <... mmap resumed>) = 0x7ff12c95c000 [pid 5442] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5441] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5446 attached [pid 5445] close(3 [pid 5444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5443] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5442] <... futex resumed>) = 0 [pid 5441] <... futex resumed>) = 0 [pid 5437] exit_group(0 [pid 5446] set_robust_list(0x555581d606a0, 24 [pid 5445] <... close resumed>) = 0 [pid 5444] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5443] <... mprotect resumed>) = 0 [pid 5441] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5437] <... exit_group resumed>) = ? [pid 5446] <... set_robust_list resumed>) = 0 [pid 5445] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5444] <... ioctl resumed>) = 0 [pid 5442] +++ exited with 0 +++ [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5446 [pid 5446] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5445] <... futex resumed>) = 0 [pid 5444] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5437] +++ exited with 0 +++ [pid 5446] <... prctl resumed>) = 0 [pid 5445] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5444] <... futex resumed>) = 1 [pid 5443] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5441] <... futex resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5437, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5446] setpgid(0, 0 [pid 5445] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5444] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5441] exit_group(0./strace-static-x86_64: Process 5447 attached [pid 5446] <... setpgid resumed>) = 0 [pid 5445] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5444] <... futex resumed>) = ? [pid 5441] <... exit_group resumed>) = ? [pid 5447] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5448 attached [pid 5447] <... rseq resumed>) = 0 [pid 5446] <... openat resumed>) = 3 [pid 5445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5444] +++ exited with 0 +++ [pid 5443] <... clone3 resumed> => {parent_tid=[5447]}, 88) = 5447 [pid 5441] +++ exited with 0 +++ [pid 5447] set_robust_list(0x7ff12c97c9a0, 24 [pid 5443] rt_sigprocmask(SIG_SETMASK, [], [pid 5446] write(3, "1000", 4 [pid 5448] set_robust_list(0x555581d606a0, 24 [pid 5447] <... set_robust_list resumed>) = 0 [pid 5443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5448] <... set_robust_list resumed>) = 0 [pid 5447] rt_sigprocmask(SIG_SETMASK, [], [pid 5446] <... write resumed>) = 4 [pid 5445] <... mmap resumed>) = 0x7ff12c95c000 [pid 5443] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5446] close(3 [pid 5445] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5443] <... futex resumed>) = 0 [pid 5448] <... prctl resumed>) = 0 [pid 5447] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5446] <... close resumed>) = 0 [pid 5445] <... mprotect resumed>) = 0 [pid 5443] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5441, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5448 [pid 5448] setpgid(0, 0 [pid 5447] <... openat resumed>) = 3 [pid 5446] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5445] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5448] <... setpgid resumed>) = 0 [pid 5447] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5446] <... futex resumed>) = 0 [pid 5445] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5447] <... futex resumed>) = 1 [pid 5446] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5445] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5443] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5449 attached [pid 5448] <... openat resumed>) = 3 [pid 5447] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5446] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5443] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5449] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5448] write(3, "1000", 4 [pid 5447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5446] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5445] <... clone3 resumed> => {parent_tid=[5449]}, 88) = 5449 [pid 5443] <... futex resumed>) = 0 [pid 5449] <... rseq resumed>) = 0 [pid 5448] <... write resumed>) = 4 [pid 5447] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5445] rt_sigprocmask(SIG_SETMASK, [], [pid 5443] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5449] set_robust_list(0x7ff12c97c9a0, 24 [pid 5448] close(3 [pid 5447] <... ioctl resumed>) = 0 [pid 5446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5449] <... set_robust_list resumed>) = 0 [pid 5448] <... close resumed>) = 0 [pid 5446] <... mmap resumed>) = 0x7ff12c95c000 [pid 5445] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5449] rt_sigprocmask(SIG_SETMASK, [], [pid 5448] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5447] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5446] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5445] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5450 attached [pid 5449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5448] <... futex resumed>) = 0 [pid 5447] <... futex resumed>) = 1 [pid 5446] <... mprotect resumed>) = 0 [pid 5445] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5443] <... futex resumed>) = 0 [pid 5450] set_robust_list(0x555581d606a0, 24 [pid 5449] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5448] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5447] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5443] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5450 [pid 5450] <... set_robust_list resumed>) = 0 [pid 5449] <... openat resumed>) = 3 [pid 5448] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5446] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5443] <... futex resumed>) = 0 [pid 5450] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5449] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5447] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5446] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5443] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5450] <... prctl resumed>) = 0 [pid 5449] <... futex resumed>) = 1 [pid 5448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5447] <... ioctl resumed>) = 0 [pid 5446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5445] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5451 attached [pid 5450] setpgid(0, 0 [pid 5449] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5447] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5445] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5451] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5450] <... setpgid resumed>) = 0 [pid 5449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5448] <... mmap resumed>) = 0x7ff12c95c000 [pid 5447] <... futex resumed>) = 1 [pid 5446] <... clone3 resumed> => {parent_tid=[5451]}, 88) = 5451 [pid 5445] <... futex resumed>) = 0 [pid 5443] <... futex resumed>) = 0 [pid 5451] <... rseq resumed>) = 0 [pid 5450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5449] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5448] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5447] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5446] rt_sigprocmask(SIG_SETMASK, [], [pid 5445] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5443] exit_group(0 [pid 5451] set_robust_list(0x7ff12c97c9a0, 24 [pid 5450] <... openat resumed>) = 3 [pid 5449] <... ioctl resumed>) = 0 [pid 5448] <... mprotect resumed>) = 0 [pid 5447] <... futex resumed>) = ? [pid 5446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5443] <... exit_group resumed>) = ? [pid 5451] <... set_robust_list resumed>) = 0 [pid 5450] write(3, "1000", 4 [pid 5449] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5447] +++ exited with 0 +++ [pid 5446] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5451] rt_sigprocmask(SIG_SETMASK, [], [pid 5450] <... write resumed>) = 4 [pid 5449] <... futex resumed>) = 1 [pid 5446] <... futex resumed>) = 0 [pid 5445] <... futex resumed>) = 0 [pid 5450] close(3 [pid 5446] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5450] <... close resumed>) = 0 [pid 5450] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5443] +++ exited with 0 +++ [pid 5448] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5449] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5445] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5451] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5450] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5445] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5452 attached [pid 5451] <... openat resumed>) = 3 [pid 5450] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5449] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5445] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5452] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5451] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5449] <... ioctl resumed>) = 0 [pid 5448] <... clone3 resumed> => {parent_tid=[5452]}, 88) = 5452 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5443, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5452] <... rseq resumed>) = 0 [pid 5451] <... futex resumed>) = 1 [pid 5450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5446] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5453 attached [pid 5452] set_robust_list(0x7ff12c97c9a0, 24 [pid 5451] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5449] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] rt_sigprocmask(SIG_SETMASK, [], [pid 5446] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] set_robust_list(0x555581d606a0, 24 [pid 5452] <... set_robust_list resumed>) = 0 [pid 5451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5450] <... mmap resumed>) = 0x7ff12c95c000 [pid 5449] <... futex resumed>) = 1 [pid 5448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5445] <... futex resumed>) = 0 [pid 5453] <... set_robust_list resumed>) = 0 [pid 5452] rt_sigprocmask(SIG_SETMASK, [], [pid 5451] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5449] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5448] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5445] exit_group(0 [pid 5453] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5451] <... ioctl resumed>) = 0 [pid 5450] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5449] <... futex resumed>) = ? [pid 5448] <... futex resumed>) = 0 [pid 5446] <... futex resumed>) = 0 [pid 5445] <... exit_group resumed>) = ? [pid 5453] <... prctl resumed>) = 0 [pid 5452] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5451] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] <... mprotect resumed>) = 0 [pid 5449] +++ exited with 0 +++ [pid 5448] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5446] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5453] setpgid(0, 0 [pid 5450] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5453 [pid 5450] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5446] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5450] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5446] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5453] <... setpgid resumed>) = 0 [pid 5452] <... openat resumed>) = 3 [pid 5451] <... futex resumed>) = 0 [pid 5445] +++ exited with 0 +++ ./strace-static-x86_64: Process 5454 attached [pid 5453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5452] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5451] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5445, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5454] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5453] <... openat resumed>) = 3 [pid 5452] <... futex resumed>) = 1 [pid 5451] <... ioctl resumed>) = 0 [pid 5448] <... futex resumed>) = 0 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5454] <... rseq resumed>) = 0 [pid 5453] write(3, "1000", 4 [pid 5452] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5451] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] <... clone3 resumed> => {parent_tid=[5454]}, 88) = 5454 [pid 5448] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... restart_syscall resumed>) = 0 [pid 5454] set_robust_list(0x7ff12c97c9a0, 24 [pid 5453] <... write resumed>) = 4 [pid 5452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5451] <... futex resumed>) = 1 [pid 5450] rt_sigprocmask(SIG_SETMASK, [], [pid 5446] <... futex resumed>) = 0 [pid 5448] <... futex resumed>) = 0 [pid 5454] <... set_robust_list resumed>) = 0 [pid 5453] close(3 [pid 5452] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5451] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5448] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5446] exit_group(0 [pid 5454] rt_sigprocmask(SIG_SETMASK, [], [pid 5453] <... close resumed>) = 0 [pid 5452] <... ioctl resumed>) = 0 [pid 5450] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5446] <... exit_group resumed>) = ? [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5455 attached [pid 5454] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5453] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5451] <... futex resumed>) = ? [pid 5450] <... futex resumed>) = 0 [pid 5454] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5453] <... futex resumed>) = 0 [pid 5452] <... futex resumed>) = 1 [pid 5450] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5448] <... futex resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5455 [pid 5455] set_robust_list(0x555581d606a0, 24 [pid 5454] <... openat resumed>) = 3 [pid 5453] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5452] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5451] +++ exited with 0 +++ [pid 5448] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5446] +++ exited with 0 +++ [pid 5455] <... set_robust_list resumed>) = 0 [pid 5454] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5448] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5446, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5455] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5454] <... futex resumed>) = 1 [pid 5453] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5450] <... futex resumed>) = 0 [pid 5448] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5455] <... prctl resumed>) = 0 [pid 5454] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5452] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5450] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5455] setpgid(0, 0 [pid 5454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5450] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5456 attached [pid 5455] <... setpgid resumed>) = 0 [pid 5454] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5453] <... mmap resumed>) = 0x7ff12c95c000 [pid 5452] <... ioctl resumed>) = 0 [pid 5450] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5454] <... ioctl resumed>) = 0 [pid 5453] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5452] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] <... mprotect resumed>) = 0 [pid 5454] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] set_robust_list(0x555581d606a0, 24 [pid 5452] <... futex resumed>) = 1 [pid 5448] <... futex resumed>) = 0 [pid 5456] <... set_robust_list resumed>) = 0 [pid 5452] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5456] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5455] <... openat resumed>) = 3 [pid 5454] <... futex resumed>) = 1 [pid 5453] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5450] <... futex resumed>) = 0 [pid 5448] exit_group(0 [pid 5456] <... prctl resumed>) = 0 [pid 5454] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5453] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5452] <... futex resumed>) = ? [pid 5450] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] setpgid(0, 0 [pid 5455] write(3, "1000", 4 [pid 5454] <... ioctl resumed>) = 0 [pid 5453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5452] +++ exited with 0 +++ [pid 5450] <... futex resumed>) = 0 [pid 5448] <... exit_group resumed>) = ? [pid 5456] <... setpgid resumed>) = 0 [pid 5455] <... write resumed>) = 4 [pid 5454] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5456 [pid 5455] close(3 [pid 5454] <... futex resumed>) = 0 [pid 5453] <... clone3 resumed> => {parent_tid=[5457]}, 88) = 5457 [pid 5450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5455] <... close resumed>) = 0 [pid 5454] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5453] rt_sigprocmask(SIG_SETMASK, [], [pid 5450] exit_group(0 [pid 5455] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5454] <... futex resumed>) = ? [pid 5453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5450] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5457 attached [pid 5456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5455] <... futex resumed>) = 0 [pid 5454] +++ exited with 0 +++ [pid 5453] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5457] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5456] <... openat resumed>) = 3 [pid 5455] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5453] <... futex resumed>) = 0 [pid 5450] +++ exited with 0 +++ [pid 5448] +++ exited with 0 +++ [pid 5457] <... rseq resumed>) = 0 [pid 5456] write(3, "1000", 4 [pid 5455] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5453] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5457] set_robust_list(0x7ff12c97c9a0, 24 [pid 5456] <... write resumed>) = 4 [pid 5455] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5450, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5448, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5457] <... set_robust_list resumed>) = 0 [pid 5456] close(3 [pid 5455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5458 attached [pid 5457] rt_sigprocmask(SIG_SETMASK, [], [pid 5456] <... close resumed>) = 0 [pid 5455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5457] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5456] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5455] <... mmap resumed>) = 0x7ff12c95c000 ./strace-static-x86_64: Process 5459 attached [pid 5458] set_robust_list(0x555581d606a0, 24 [pid 5457] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5456] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5458 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5459 [pid 5459] set_robust_list(0x555581d606a0, 24 [pid 5458] <... set_robust_list resumed>) = 0 [pid 5456] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5455] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5459] <... set_robust_list resumed>) = 0 [pid 5458] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5455] <... mprotect resumed>) = 0 [pid 5457] <... openat resumed>) = 3 [pid 5456] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5459] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5458] <... prctl resumed>) = 0 [pid 5457] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5455] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5459] <... prctl resumed>) = 0 [pid 5458] setpgid(0, 0 [pid 5459] setpgid(0, 0 [pid 5458] <... setpgid resumed>) = 0 [pid 5457] <... futex resumed>) = 1 [pid 5456] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5455] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5453] <... futex resumed>) = 0 [pid 5459] <... setpgid resumed>) = 0 [pid 5458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5457] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5453] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5460 attached [pid 5459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5458] <... openat resumed>) = 3 [pid 5457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5456] <... mmap resumed>) = 0x7ff12c95c000 [pid 5453] <... futex resumed>) = 0 [pid 5460] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5459] <... openat resumed>) = 3 [pid 5457] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5453] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5458] write(3, "1000", 4 [pid 5460] <... rseq resumed>) = 0 [pid 5457] <... ioctl resumed>) = 0 [pid 5456] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5460] set_robust_list(0x7ff12c97c9a0, 24 [pid 5459] write(3, "1000", 4 [pid 5458] <... write resumed>) = 4 [pid 5457] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5455] <... clone3 resumed> => {parent_tid=[5460]}, 88) = 5460 [pid 5460] <... set_robust_list resumed>) = 0 [pid 5459] <... write resumed>) = 4 [pid 5458] close(3 [pid 5455] rt_sigprocmask(SIG_SETMASK, [], [pid 5459] close(3 [pid 5458] <... close resumed>) = 0 [pid 5455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5459] <... close resumed>) = 0 [pid 5458] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5455] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5459] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5458] <... futex resumed>) = 0 [pid 5455] <... futex resumed>) = 0 [pid 5455] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5459] <... futex resumed>) = 0 [pid 5458] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5459] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5458] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5459] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5458] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5459] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5458] <... mmap resumed>) = 0x7ff12c95c000 [pid 5459] <... mmap resumed>) = 0x7ff12c95c000 [pid 5458] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5460] rt_sigprocmask(SIG_SETMASK, [], [pid 5459] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5458] <... mprotect resumed>) = 0 [pid 5457] <... futex resumed>) = 1 [pid 5456] <... mprotect resumed>) = 0 [pid 5453] <... futex resumed>) = 0 [pid 5460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5459] <... mprotect resumed>) = 0 [pid 5457] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5456] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5453] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5459] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5458] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5457] <... ioctl resumed>) = 0 [pid 5453] <... futex resumed>) = 0 [pid 5453] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5460] <... openat resumed>) = 3 [pid 5459] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5458] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5457] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5459] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5457] <... futex resumed>) = 1 [pid 5456] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5462 attached ./strace-static-x86_64: Process 5461 attached [pid 5460] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5457] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5453] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5463 attached [pid 5462] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5461] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5460] <... futex resumed>) = 1 [pid 5455] <... futex resumed>) = 0 [pid 5453] exit_group(0 [pid 5463] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5462] <... rseq resumed>) = 0 [pid 5461] <... rseq resumed>) = 0 [pid 5463] <... rseq resumed>) = 0 [pid 5461] set_robust_list(0x7ff12c97c9a0, 24 [pid 5463] set_robust_list(0x7ff12c97c9a0, 24 [pid 5462] set_robust_list(0x7ff12c97c9a0, 24 [pid 5463] <... set_robust_list resumed>) = 0 [pid 5462] <... set_robust_list resumed>) = 0 [pid 5463] rt_sigprocmask(SIG_SETMASK, [], [pid 5461] <... set_robust_list resumed>) = 0 [pid 5453] <... exit_group resumed>) = ? [pid 5460] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5459] <... clone3 resumed> => {parent_tid=[5461]}, 88) = 5461 [pid 5458] <... clone3 resumed> => {parent_tid=[5462]}, 88) = 5462 [pid 5457] <... futex resumed>) = ? [pid 5456] <... clone3 resumed> => {parent_tid=[5463]}, 88) = 5463 [pid 5455] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5463] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5462] rt_sigprocmask(SIG_SETMASK, [], [pid 5461] rt_sigprocmask(SIG_SETMASK, [], [pid 5460] <... ioctl resumed>) = 0 [pid 5459] rt_sigprocmask(SIG_SETMASK, [], [pid 5458] rt_sigprocmask(SIG_SETMASK, [], [pid 5457] +++ exited with 0 +++ [pid 5456] rt_sigprocmask(SIG_SETMASK, [], [pid 5455] <... futex resumed>) = 0 [pid 5463] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5460] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5456] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5455] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5461] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5460] <... futex resumed>) = 0 [pid 5459] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5458] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5456] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5463] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5460] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5459] <... futex resumed>) = 0 [pid 5458] <... futex resumed>) = 0 [pid 5456] <... futex resumed>) = 0 [pid 5455] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5463] <... openat resumed>) = 3 [pid 5462] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5459] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5458] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5456] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5455] <... futex resumed>) = 0 [pid 5461] <... openat resumed>) = 3 [pid 5460] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5455] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5460] <... ioctl resumed>) = 0 [pid 5460] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5455] <... futex resumed>) = 0 [pid 5460] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5455] exit_group(0 [pid 5460] <... futex resumed>) = ? [pid 5455] <... exit_group resumed>) = ? [pid 5463] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] <... openat resumed>) = 3 [pid 5461] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] +++ exited with 0 +++ [pid 5455] +++ exited with 0 +++ [pid 5453] +++ exited with 0 +++ [pid 5463] <... futex resumed>) = 1 [pid 5462] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5461] <... futex resumed>) = 1 [pid 5459] <... futex resumed>) = 0 [pid 5456] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5453, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5455, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5463] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5462] <... futex resumed>) = 1 [pid 5461] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5459] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5458] <... futex resumed>) = 0 [pid 5456] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5462] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5461] <... ioctl resumed>) = 0 [pid 5459] <... futex resumed>) = 0 [pid 5458] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] <... futex resumed>) = 0 [pid 5463] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5461] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5459] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5458] <... futex resumed>) = 0 [pid 5456] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5463] <... ioctl resumed>) = 0 [pid 5462] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5461] <... futex resumed>) = 0 [pid 5459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5458] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5461] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5459] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] <... ioctl resumed>) = 0 [pid 5459] <... futex resumed>) = 0 [pid 5459] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5461] <... ioctl resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5463] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5461] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5464 attached ./strace-static-x86_64: Process 5465 attached [pid 5462] <... futex resumed>) = 1 [pid 5461] <... futex resumed>) = 1 [pid 5459] <... futex resumed>) = 0 [pid 5458] <... futex resumed>) = 0 [pid 5461] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5462] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5463] <... futex resumed>) = 1 [pid 5458] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] set_robust_list(0x555581d606a0, 24 [pid 5463] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5458] <... futex resumed>) = 0 [pid 5462] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5459] exit_group(0 [pid 5458] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5456] <... futex resumed>) = 0 [pid 5464] set_robust_list(0x555581d606a0, 24 [pid 5459] <... exit_group resumed>) = ? [pid 5456] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] <... set_robust_list resumed>) = 0 [pid 5463] <... futex resumed>) = 0 [pid 5462] <... ioctl resumed>) = 0 [pid 5461] <... futex resumed>) = ? [pid 5456] <... futex resumed>) = 1 [pid 5456] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5464] <... set_robust_list resumed>) = 0 [pid 5465] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5465 [pid 5464] setpgid(0, 0) = 0 [pid 5464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5463] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5462] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5463] <... ioctl resumed>) = 0 [pid 5462] <... futex resumed>) = 1 [pid 5458] <... futex resumed>) = 0 [pid 5463] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] <... prctl resumed>) = 0 [pid 5464] <... openat resumed>) = 3 [pid 5463] <... futex resumed>) = 1 [pid 5462] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5458] exit_group(0 [pid 5456] <... futex resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5464 [pid 5465] setpgid(0, 0 [pid 5464] write(3, "1000", 4 [pid 5463] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5462] <... futex resumed>) = ? [pid 5458] <... exit_group resumed>) = ? [pid 5456] exit_group(0 [pid 5464] <... write resumed>) = 4 [pid 5463] <... futex resumed>) = ? [pid 5456] <... exit_group resumed>) = ? [pid 5465] <... setpgid resumed>) = 0 [pid 5464] close(3 [pid 5463] +++ exited with 0 +++ [pid 5462] +++ exited with 0 +++ [pid 5458] +++ exited with 0 +++ [pid 5456] +++ exited with 0 +++ [pid 5464] <... close resumed>) = 0 [pid 5465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5464] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5458, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5456, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5464] <... futex resumed>) = 0 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5464] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5461] +++ exited with 0 +++ [pid 5459] +++ exited with 0 +++ [pid 5464] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5459, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5465] <... openat resumed>) = 3 [pid 5464] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5072] <... restart_syscall resumed>) = 0 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... restart_syscall resumed>) = 0 [pid 5465] write(3, "1000", 4 [pid 5464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5465] <... write resumed>) = 4 [pid 5464] <... mmap resumed>) = 0x7ff12c95c000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5465] close(3 [pid 5464] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5466 attached ./strace-static-x86_64: Process 5467 attached [pid 5465] <... close resumed>) = 0 [pid 5464] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5468 attached [pid 5467] set_robust_list(0x555581d606a0, 24 [pid 5466] set_robust_list(0x555581d606a0, 24 [pid 5465] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5466 [pid 5467] <... set_robust_list resumed>) = 0 [pid 5466] <... set_robust_list resumed>) = 0 [pid 5465] <... futex resumed>) = 0 [pid 5464] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5468] set_robust_list(0x555581d606a0, 24) = 0 [pid 5468] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5465] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5466] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5465] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5465] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5469 attached [pid 5468] <... prctl resumed>) = 0 [pid 5467] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5466] <... prctl resumed>) = 0 [pid 5465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5468 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5467 [pid 5469] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 5469] set_robust_list(0x7ff12c97c9a0, 24 [pid 5465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5469] <... set_robust_list resumed>) = 0 [pid 5469] rt_sigprocmask(SIG_SETMASK, [], [pid 5468] setpgid(0, 0 [pid 5467] <... prctl resumed>) = 0 [pid 5466] setpgid(0, 0 [pid 5465] <... mmap resumed>) = 0x7ff12c95c000 [pid 5464] <... clone3 resumed> => {parent_tid=[5469]}, 88) = 5469 [pid 5468] <... setpgid resumed>) = 0 [pid 5467] setpgid(0, 0 [pid 5466] <... setpgid resumed>) = 0 [pid 5465] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5464] rt_sigprocmask(SIG_SETMASK, [], [pid 5469] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5467] <... setpgid resumed>) = 0 [pid 5466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5465] <... mprotect resumed>) = 0 [pid 5464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5469] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5464] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5469] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5464] <... futex resumed>) = 0 [pid 5469] <... openat resumed>) = 3 [pid 5468] <... openat resumed>) = 3 [pid 5466] <... openat resumed>) = 3 [pid 5465] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5464] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5467] <... openat resumed>) = 3 [pid 5469] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5467] write(3, "1000", 4 [pid 5469] <... futex resumed>) = 1 [pid 5464] <... futex resumed>) = 0 [pid 5466] write(3, "1000", 4 [pid 5469] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5468] write(3, "1000", 4 [pid 5467] <... write resumed>) = 4 [pid 5465] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5464] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5466] <... write resumed>) = 4 [pid 5469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5468] <... write resumed>) = 4 [pid 5467] close(3 [pid 5466] close(3 [pid 5465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5464] <... futex resumed>) = 0 [pid 5469] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5464] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5469] <... ioctl resumed>) = 0 [pid 5468] close(3 [pid 5467] <... close resumed>) = 0 [pid 5466] <... close resumed>) = 0 ./strace-static-x86_64: Process 5470 attached [pid 5469] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] <... close resumed>) = 0 [pid 5467] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5466] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] <... clone3 resumed> => {parent_tid=[5470]}, 88) = 5470 [pid 5470] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5469] <... futex resumed>) = 1 [pid 5467] <... futex resumed>) = 0 [pid 5466] <... futex resumed>) = 0 [pid 5465] rt_sigprocmask(SIG_SETMASK, [], [pid 5464] <... futex resumed>) = 0 [pid 5470] <... rseq resumed>) = 0 [pid 5469] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5464] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5470] set_robust_list(0x7ff12c97c9a0, 24 [pid 5469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5464] <... futex resumed>) = 0 [pid 5470] <... set_robust_list resumed>) = 0 [pid 5469] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5464] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5470] rt_sigprocmask(SIG_SETMASK, [], [pid 5469] <... ioctl resumed>) = 0 [pid 5470] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5470] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5469] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5464] <... futex resumed>) = 0 [pid 5469] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5464] exit_group(0) = ? [pid 5469] <... futex resumed>) = ? [pid 5469] +++ exited with 0 +++ [pid 5468] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5467] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5466] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5464] +++ exited with 0 +++ [pid 5468] <... futex resumed>) = 0 [pid 5467] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5466] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5468] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5467] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5465] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5464, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5466] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5468] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5465] <... futex resumed>) = 1 [pid 5470] <... futex resumed>) = 0 [pid 5470] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5468] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5466] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5465] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5470] <... openat resumed>) = 3 [pid 5468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5467] <... mmap resumed>) = 0x7ff12c95c000 [pid 5066] <... restart_syscall resumed>) = 0 [pid 5468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5466] <... mmap resumed>) = 0x7ff12c95c000 [pid 5470] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] <... mmap resumed>) = 0x7ff12c95c000 [pid 5467] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5466] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5470] <... futex resumed>) = 1 [pid 5468] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5467] <... mprotect resumed>) = 0 [pid 5466] <... mprotect resumed>) = 0 [pid 5465] <... futex resumed>) = 0 [pid 5470] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5468] <... mprotect resumed>) = 0 [pid 5466] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5465] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5470] <... ioctl resumed>) = 0 [pid 5468] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5467] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5470] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5467] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5466] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5465] <... futex resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5471 attached [pid 5470] <... futex resumed>) = 0 [pid 5468] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5466] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5465] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5470] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5474 attached [pid 5474] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 5474] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5468] <... clone3 resumed> => {parent_tid=[5472]}, 88) = 5472 [pid 5474] rt_sigprocmask(SIG_SETMASK, [], [pid 5468] rt_sigprocmask(SIG_SETMASK, [], [pid 5474] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5466] <... clone3 resumed> => {parent_tid=[5474]}, 88) = 5474 [pid 5474] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5468] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5467] <... clone3 resumed> => {parent_tid=[5473]}, 88) = 5473 [pid 5466] rt_sigprocmask(SIG_SETMASK, [], [pid 5468] <... futex resumed>) = 0 [pid 5467] rt_sigprocmask(SIG_SETMASK, [], [pid 5466] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5471 [pid 5468] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5466] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] <... futex resumed>) = 0 [pid 5467] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5466] <... futex resumed>) = 1 [pid 5474] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5467] <... futex resumed>) = 0 [pid 5466] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5473 attached ./strace-static-x86_64: Process 5472 attached [pid 5474] <... openat resumed>) = 3 [pid 5471] set_robust_list(0x555581d606a0, 24 [pid 5467] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5474] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5473] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5472] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5471] <... set_robust_list resumed>) = 0 [pid 5465] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] <... futex resumed>) = 1 [pid 5470] <... futex resumed>) = 0 [pid 5466] <... futex resumed>) = 0 [pid 5465] <... futex resumed>) = 1 [pid 5474] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5473] <... rseq resumed>) = 0 [pid 5472] <... rseq resumed>) = 0 [pid 5471] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5470] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5466] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5473] set_robust_list(0x7ff12c97c9a0, 24 [pid 5472] set_robust_list(0x7ff12c97c9a0, 24 [pid 5471] <... prctl resumed>) = 0 [pid 5470] <... ioctl resumed>) = 0 [pid 5466] <... futex resumed>) = 0 [pid 5474] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5473] <... set_robust_list resumed>) = 0 [pid 5472] <... set_robust_list resumed>) = 0 [pid 5471] setpgid(0, 0 [pid 5470] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5466] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5474] <... ioctl resumed>) = 0 [pid 5473] rt_sigprocmask(SIG_SETMASK, [], [pid 5472] rt_sigprocmask(SIG_SETMASK, [], [pid 5471] <... setpgid resumed>) = 0 [pid 5470] <... futex resumed>) = 1 [pid 5465] <... futex resumed>) = 0 [pid 5474] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5470] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5465] exit_group(0 [pid 5474] <... futex resumed>) = 1 [pid 5472] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5470] <... futex resumed>) = ? [pid 5466] <... futex resumed>) = 0 [pid 5465] <... exit_group resumed>) = ? [pid 5474] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5471] <... openat resumed>) = 3 [pid 5470] +++ exited with 0 +++ [pid 5466] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5466] <... futex resumed>) = 0 [pid 5474] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5466] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5474] <... ioctl resumed>) = 0 [pid 5474] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5466] <... futex resumed>) = 0 [pid 5474] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5466] exit_group(0 [pid 5465] +++ exited with 0 +++ [pid 5466] <... exit_group resumed>) = ? [pid 5474] <... futex resumed>) = ? [pid 5472] <... openat resumed>) = 3 [pid 5471] write(3, "1000", 4 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5465, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5474] +++ exited with 0 +++ [pid 5473] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5472] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] <... write resumed>) = 4 [pid 5466] +++ exited with 0 +++ [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5473] <... openat resumed>) = 3 [pid 5472] <... futex resumed>) = 1 [pid 5471] close(3 [pid 5468] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5466, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5070] <... restart_syscall resumed>) = 0 [pid 5473] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5472] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5471] <... close resumed>) = 0 [pid 5468] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5473] <... futex resumed>) = 1 [pid 5472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5471] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] <... futex resumed>) = 0 [pid 5467] <... futex resumed>) = 0 [pid 5473] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5472] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5471] <... futex resumed>) = 0 [pid 5468] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5467] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5472] <... ioctl resumed>) = 0 [pid 5471] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5467] <... futex resumed>) = 0 [pid 5473] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5472] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5467] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5475 attached [pid 5473] <... ioctl resumed>) = 0 [pid 5472] <... futex resumed>) = 1 [pid 5471] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5468] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5476 attached [pid 5473] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5472] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5468] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5473] <... futex resumed>) = 1 [pid 5472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5476] set_robust_list(0x555581d606a0, 24 [pid 5475] set_robust_list(0x555581d606a0, 24 [pid 5472] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5471] <... mmap resumed>) = 0x7ff12c95c000 [pid 5472] <... ioctl resumed>) = 0 [pid 5471] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5476] <... set_robust_list resumed>) = 0 [pid 5475] <... set_robust_list resumed>) = 0 [pid 5471] <... mprotect resumed>) = 0 [pid 5468] <... futex resumed>) = 0 [pid 5467] <... futex resumed>) = 0 [pid 5476] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5468] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5467] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5475] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5472] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5467] <... futex resumed>) = 0 [pid 5467] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5475 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5476 [pid 5473] ioctl(3, SNDRV_TIMER_IOCTL_START, 0) = 0 [pid 5473] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5476] <... prctl resumed>) = 0 [pid 5475] <... prctl resumed>) = 0 [pid 5473] <... futex resumed>) = 1 [pid 5472] <... futex resumed>) = 1 [pid 5471] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5468] <... futex resumed>) = 0 [pid 5467] <... futex resumed>) = 0 [pid 5476] setpgid(0, 0 [pid 5475] setpgid(0, 0 [pid 5473] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5472] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5471] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5468] exit_group(0 [pid 5467] exit_group(0 [pid 5476] <... setpgid resumed>) = 0 [pid 5475] <... setpgid resumed>) = 0 [pid 5473] <... futex resumed>) = ? [pid 5472] <... futex resumed>) = ? [pid 5471] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5468] <... exit_group resumed>) = ? [pid 5467] <... exit_group resumed>) = ? [pid 5475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5473] +++ exited with 0 +++ [pid 5472] +++ exited with 0 +++ [pid 5468] +++ exited with 0 +++ [pid 5467] +++ exited with 0 +++ [pid 5476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5471] <... clone3 resumed> => {parent_tid=[5477]}, 88) = 5477 ./strace-static-x86_64: Process 5477 attached [pid 5476] <... openat resumed>) = 3 [pid 5475] <... openat resumed>) = 3 [pid 5471] rt_sigprocmask(SIG_SETMASK, [], [pid 5477] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5476] write(3, "1000", 4 [pid 5475] write(3, "1000", 4 [pid 5471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5468, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5467, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5477] <... rseq resumed>) = 0 [pid 5476] <... write resumed>) = 4 [pid 5475] <... write resumed>) = 4 [pid 5471] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5477] set_robust_list(0x7ff12c97c9a0, 24 [pid 5476] close(3 [pid 5475] close(3 [pid 5471] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5478 attached [pid 5477] <... set_robust_list resumed>) = 0 [pid 5476] <... close resumed>) = 0 [pid 5475] <... close resumed>) = 0 [pid 5471] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5479 attached [pid 5478] set_robust_list(0x555581d606a0, 24 [pid 5477] rt_sigprocmask(SIG_SETMASK, [], [pid 5476] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5475] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5479] set_robust_list(0x555581d606a0, 24 [pid 5478] <... set_robust_list resumed>) = 0 [pid 5476] <... futex resumed>) = 0 [pid 5479] <... set_robust_list resumed>) = 0 [pid 5475] <... futex resumed>) = 0 [pid 5476] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5478] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5479] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5478] <... prctl resumed>) = 0 [pid 5477] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5476] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5475] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5479] <... prctl resumed>) = 0 [pid 5478] setpgid(0, 0 [pid 5477] <... openat resumed>) = 3 [pid 5476] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5475] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5479] setpgid(0, 0 [pid 5478] <... setpgid resumed>) = 0 [pid 5477] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5475] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5478 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5479 [pid 5479] <... setpgid resumed>) = 0 [pid 5477] <... futex resumed>) = 1 [pid 5471] <... futex resumed>) = 0 [pid 5477] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5471] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5471] <... futex resumed>) = 0 [pid 5477] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5471] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5477] <... ioctl resumed>) = 0 [pid 5476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5479] <... openat resumed>) = 3 [pid 5478] <... openat resumed>) = 3 [pid 5479] write(3, "1000", 4 [pid 5475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5478] write(3, "1000", 4 [pid 5479] <... write resumed>) = 4 [pid 5479] close(3 [pid 5478] <... write resumed>) = 4 [pid 5477] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5475] <... mmap resumed>) = 0x7ff12c95c000 [pid 5479] <... close resumed>) = 0 [pid 5478] close(3 [pid 5477] <... futex resumed>) = 1 [pid 5476] <... mmap resumed>) = 0x7ff12c95c000 [pid 5475] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5471] <... futex resumed>) = 0 [pid 5479] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] <... close resumed>) = 0 [pid 5477] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5476] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5475] <... mprotect resumed>) = 0 [pid 5471] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5479] <... futex resumed>) = 0 [pid 5478] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5471] <... futex resumed>) = 0 [pid 5479] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5478] <... futex resumed>) = 0 [pid 5477] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5471] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5477] <... ioctl resumed>) = 0 [pid 5477] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5471] <... futex resumed>) = 0 [pid 5477] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5471] exit_group(0 [pid 5478] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5477] <... futex resumed>) = ? [pid 5475] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5471] <... exit_group resumed>) = ? [pid 5479] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5478] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5476] <... mprotect resumed>) = 0 [pid 5475] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5479] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5478] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5477] +++ exited with 0 +++ [pid 5476] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5475] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5480 attached [pid 5479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5478] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5476] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5471] +++ exited with 0 +++ [pid 5480] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5475] <... clone3 resumed> => {parent_tid=[5480]}, 88) = 5480 [pid 5480] <... rseq resumed>) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5471, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5480] set_robust_list(0x7ff12c97c9a0, 24 [pid 5479] <... mmap resumed>) = 0x7ff12c95c000 [pid 5478] <... mmap resumed>) = 0x7ff12c95c000 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5481 attached ./strace-static-x86_64: Process 5482 attached [pid 5480] <... set_robust_list resumed>) = 0 [pid 5479] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5478] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5475] rt_sigprocmask(SIG_SETMASK, [], [pid 5481] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5480] rt_sigprocmask(SIG_SETMASK, [], [pid 5475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5479] <... mprotect resumed>) = 0 [pid 5475] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] <... mprotect resumed>) = 0 [pid 5481] <... rseq resumed>) = 0 [pid 5481] set_robust_list(0x7ff12c97c9a0, 24 [pid 5475] <... futex resumed>) = 0 [pid 5480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5481] <... set_robust_list resumed>) = 0 [pid 5480] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5475] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5478] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5482] set_robust_list(0x555581d606a0, 24 [pid 5481] rt_sigprocmask(SIG_SETMASK, [], [pid 5480] <... openat resumed>) = 3 [pid 5479] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5476] <... clone3 resumed> => {parent_tid=[5481]}, 88) = 5481 [pid 5482] <... set_robust_list resumed>) = 0 [pid 5481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5480] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5482 [pid 5481] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5480] <... futex resumed>) = 1 [pid 5475] <... futex resumed>) = 0 [pid 5480] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5475] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5475] <... futex resumed>) = 0 [pid 5480] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5475] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5480] <... ioctl resumed>) = 0 [pid 5480] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5475] <... futex resumed>) = 0 [pid 5480] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5475] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] <... ioctl resumed>) = 0 [pid 5475] <... futex resumed>) = 0 [pid 5475] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5480] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5475] <... futex resumed>) = 0 [pid 5480] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5475] exit_group(0 [pid 5480] <... futex resumed>) = ? [pid 5482] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5480] +++ exited with 0 +++ [pid 5479] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5478] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5476] rt_sigprocmask(SIG_SETMASK, [], [pid 5475] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5483 attached [pid 5482] <... prctl resumed>) = 0 [pid 5479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5475] +++ exited with 0 +++ ./strace-static-x86_64: Process 5484 attached [pid 5483] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5482] setpgid(0, 0 [pid 5478] <... clone3 resumed> => {parent_tid=[5483]}, 88) = 5483 [pid 5476] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5484] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5483] <... rseq resumed>) = 0 [pid 5482] <... setpgid resumed>) = 0 [pid 5481] <... futex resumed>) = 0 [pid 5479] <... clone3 resumed> => {parent_tid=[5484]}, 88) = 5484 [pid 5478] rt_sigprocmask(SIG_SETMASK, [], [pid 5476] <... futex resumed>) = 1 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5475, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5481] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5479] rt_sigprocmask(SIG_SETMASK, [], [pid 5478] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5485 attached [pid 5484] <... rseq resumed>) = 0 [pid 5483] set_robust_list(0x7ff12c97c9a0, 24 [pid 5482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5481] <... openat resumed>) = 3 [pid 5479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5478] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5476] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5484] set_robust_list(0x7ff12c97c9a0, 24 [pid 5483] <... set_robust_list resumed>) = 0 [pid 5484] <... set_robust_list resumed>) = 0 [pid 5483] rt_sigprocmask(SIG_SETMASK, [], [pid 5481] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5479] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] <... futex resumed>) = 0 [pid 5476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5485] set_robust_list(0x555581d606a0, 24 [pid 5484] rt_sigprocmask(SIG_SETMASK, [], [pid 5479] <... futex resumed>) = 0 [pid 5478] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5485] <... set_robust_list resumed>) = 0 [pid 5484] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5483] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5482] <... openat resumed>) = 3 [pid 5481] <... futex resumed>) = 0 [pid 5479] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5476] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5481] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5485 [pid 5484] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5481] <... ioctl resumed>) = 0 [pid 5481] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5481] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL) = 0 [pid 5476] <... futex resumed>) = 1 [pid 5481] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5484] <... openat resumed>) = 3 [pid 5483] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5485] <... prctl resumed>) = 0 [pid 5476] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5485] setpgid(0, 0 [pid 5484] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] <... openat resumed>) = 3 [pid 5482] write(3, "1000", 4 [pid 5476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5485] <... setpgid resumed>) = 0 [pid 5484] <... futex resumed>) = 1 [pid 5482] <... write resumed>) = 4 [pid 5479] <... futex resumed>) = 0 [pid 5476] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5484] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5483] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5482] close(3 [pid 5481] <... futex resumed>) = 0 [pid 5479] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5476] <... futex resumed>) = 1 [pid 5483] <... futex resumed>) = 1 [pid 5481] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5479] <... futex resumed>) = 0 [pid 5478] <... futex resumed>) = 0 [pid 5483] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5481] <... ioctl resumed>) = 0 [pid 5479] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5478] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5481] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] <... futex resumed>) = 0 [pid 5483] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5481] <... futex resumed>) = 0 [pid 5478] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5483] <... ioctl resumed>) = 0 [pid 5482] <... close resumed>) = 0 [pid 5481] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5476] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5484] <... ioctl resumed>) = 0 [pid 5483] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] <... openat resumed>) = 3 [pid 5483] <... futex resumed>) = 1 [pid 5478] <... futex resumed>) = 0 [pid 5483] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5478] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] <... ioctl resumed>) = 0 [pid 5478] <... futex resumed>) = 0 [pid 5478] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5483] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] <... futex resumed>) = 0 [pid 5478] exit_group(0) = ? [pid 5483] <... futex resumed>) = ? [pid 5485] write(3, "1000", 4 [pid 5484] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] +++ exited with 0 +++ [pid 5482] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] +++ exited with 0 +++ [pid 5476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5485] <... write resumed>) = 4 [pid 5484] <... futex resumed>) = 1 [pid 5482] <... futex resumed>) = 0 [pid 5479] <... futex resumed>) = 0 [pid 5476] exit_group(0 [pid 5485] close(3 [pid 5484] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5482] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5481] <... futex resumed>) = ? [pid 5479] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5476] <... exit_group resumed>) = ? [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5478, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5484] <... ioctl resumed>) = 0 [pid 5482] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5481] +++ exited with 0 +++ [pid 5479] <... futex resumed>) = 0 [pid 5479] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5485] <... close resumed>) = 0 [pid 5485] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5484] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5482] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5476] +++ exited with 0 +++ [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5485] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5479] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5476, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5485] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5484] <... futex resumed>) = 1 [pid 5482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5479] exit_group(0 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5485] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5482] <... mmap resumed>) = 0x7ff12c95c000 [pid 5479] <... exit_group resumed>) = ? [pid 5482] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5484] +++ exited with 0 +++ [pid 5482] <... mprotect resumed>) = 0 [pid 5479] +++ exited with 0 +++ [pid 5485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5479, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5485] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5486 attached [pid 5485] <... mprotect resumed>) = 0 [pid 5482] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5485] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5487 attached ./strace-static-x86_64: Process 5488 attached [pid 5487] set_robust_list(0x555581d606a0, 24 [pid 5486] set_robust_list(0x555581d606a0, 24 [pid 5482] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5487 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5486 [pid 5485] <... clone3 resumed> => {parent_tid=[5488]}, 88) = 5488 [pid 5488] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5487] <... set_robust_list resumed>) = 0 [pid 5486] <... set_robust_list resumed>) = 0 [pid 5485] rt_sigprocmask(SIG_SETMASK, [], [pid 5482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5488] <... rseq resumed>) = 0 [pid 5487] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5485] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5488] set_robust_list(0x7ff12c97c9a0, 24 [pid 5486] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5485] <... futex resumed>) = 0 [pid 5485] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5489 attached [pid 5489] set_robust_list(0x555581d606a0, 24./strace-static-x86_64: Process 5490 attached ) = 0 [pid 5488] <... set_robust_list resumed>) = 0 [pid 5487] <... prctl resumed>) = 0 [pid 5486] <... prctl resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5489 [pid 5490] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5489] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5488] rt_sigprocmask(SIG_SETMASK, [], [pid 5487] setpgid(0, 0 [pid 5486] setpgid(0, 0 [pid 5482] <... clone3 resumed> => {parent_tid=[5490]}, 88) = 5490 [pid 5490] <... rseq resumed>) = 0 [pid 5488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5487] <... setpgid resumed>) = 0 [pid 5486] <... setpgid resumed>) = 0 [pid 5482] rt_sigprocmask(SIG_SETMASK, [], [pid 5490] set_robust_list(0x7ff12c97c9a0, 24 [pid 5489] <... prctl resumed>) = 0 [pid 5487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5490] <... set_robust_list resumed>) = 0 [pid 5489] setpgid(0, 0 [pid 5488] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5490] rt_sigprocmask(SIG_SETMASK, [], [pid 5489] <... setpgid resumed>) = 0 [pid 5488] <... openat resumed>) = 3 [pid 5482] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5488] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5487] <... openat resumed>) = 3 [pid 5482] <... futex resumed>) = 0 [pid 5486] <... openat resumed>) = 3 [pid 5490] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5488] <... futex resumed>) = 1 [pid 5487] write(3, "1000", 4 [pid 5485] <... futex resumed>) = 0 [pid 5482] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5486] write(3, "1000", 4 [pid 5490] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5489] <... openat resumed>) = 3 [pid 5488] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5487] <... write resumed>) = 4 [pid 5486] <... write resumed>) = 4 [pid 5485] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5490] <... openat resumed>) = 3 [pid 5488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5487] close(3 [pid 5486] close(3 [pid 5485] <... futex resumed>) = 0 [pid 5490] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] write(3, "1000", 4 [pid 5488] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5487] <... close resumed>) = 0 [pid 5486] <... close resumed>) = 0 [pid 5485] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5490] <... futex resumed>) = 1 [pid 5489] <... write resumed>) = 4 [pid 5482] <... futex resumed>) = 0 [pid 5490] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5489] close(3 [pid 5482] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5490] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5489] <... close resumed>) = 0 [pid 5482] <... futex resumed>) = 0 [pid 5490] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5489] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5482] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5490] <... ioctl resumed>) = 0 [pid 5489] <... futex resumed>) = 0 [pid 5488] <... ioctl resumed>) = 0 [pid 5487] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5490] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5488] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5487] <... futex resumed>) = 0 [pid 5486] <... futex resumed>) = 0 [pid 5490] <... futex resumed>) = 1 [pid 5489] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5488] <... futex resumed>) = 1 [pid 5487] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5486] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5485] <... futex resumed>) = 0 [pid 5482] <... futex resumed>) = 0 [pid 5490] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5489] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5488] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5487] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5486] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5485] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5482] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5490] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5489] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5486] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5485] <... futex resumed>) = 0 [pid 5482] <... futex resumed>) = 0 [pid 5490] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5489] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5487] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5486] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5485] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5490] <... ioctl resumed>) = 0 [pid 5489] <... mmap resumed>) = 0x7ff12c95c000 [pid 5487] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5486] <... mmap resumed>) = 0x7ff12c95c000 [pid 5482] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5490] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5488] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5490] <... futex resumed>) = 0 [pid 5489] <... mprotect resumed>) = 0 [pid 5487] <... mmap resumed>) = 0x7ff12c95c000 [pid 5486] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5482] exit_group(0 [pid 5488] <... ioctl resumed>) = 0 [pid 5487] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5486] <... mprotect resumed>) = 0 [pid 5482] <... exit_group resumed>) = ? [pid 5490] +++ exited with 0 +++ [pid 5489] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5488] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5487] <... mprotect resumed>) = 0 [pid 5486] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5482] +++ exited with 0 +++ [pid 5488] <... futex resumed>) = 1 [pid 5485] <... futex resumed>) = 0 [pid 5488] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5485] exit_group(0) = ? [pid 5488] <... futex resumed>) = ? [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5482, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5489] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5488] +++ exited with 0 +++ [pid 5489] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5491 attached [pid 5491] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5489] <... clone3 resumed> => {parent_tid=[5491]}, 88) = 5491 [pid 5491] <... rseq resumed>) = 0 [pid 5489] rt_sigprocmask(SIG_SETMASK, [], [pid 5491] set_robust_list(0x7ff12c97c9a0, 24 [pid 5489] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5491] <... set_robust_list resumed>) = 0 [pid 5489] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5487] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5491] rt_sigprocmask(SIG_SETMASK, [], [pid 5489] <... futex resumed>) = 0 [pid 5491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5489] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5491] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5486] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5491] <... openat resumed>) = 3 [pid 5487] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5486] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5491] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5489] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5492 attached [pid 5491] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5489] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5487] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5066] <... restart_syscall resumed>) = 0 [pid 5492] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5491] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5489] <... futex resumed>) = 0 [pid 5492] <... rseq resumed>) = 0 [pid 5491] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5489] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5493 attached [pid 5492] set_robust_list(0x7ff12c97c9a0, 24 [pid 5491] <... ioctl resumed>) = 0 [pid 5486] <... clone3 resumed> => {parent_tid=[5492]}, 88) = 5492 [pid 5493] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5492] <... set_robust_list resumed>) = 0 [pid 5491] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] rt_sigprocmask(SIG_SETMASK, [], [pid 5492] rt_sigprocmask(SIG_SETMASK, [], [pid 5491] <... futex resumed>) = 1 [pid 5489] <... futex resumed>) = 0 [pid 5493] <... rseq resumed>) = 0 [pid 5492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5491] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5489] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5487] <... clone3 resumed> => {parent_tid=[5493]}, 88) = 5493 [pid 5486] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5493] set_robust_list(0x7ff12c97c9a0, 24 [pid 5492] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5491] <... ioctl resumed>) = 0 [pid 5489] <... futex resumed>) = 0 [pid 5486] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5493] <... set_robust_list resumed>) = 0 [pid 5492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5487] rt_sigprocmask(SIG_SETMASK, [], [pid 5486] <... futex resumed>) = 0 [pid 5493] rt_sigprocmask(SIG_SETMASK, [], [pid 5492] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5491] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5487] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5486] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5485] +++ exited with 0 +++ [pid 5492] <... openat resumed>) = 3 [pid 5491] <... futex resumed>) = 0 [pid 5489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5493] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5487] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5493] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5491] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5489] exit_group(0 [pid 5487] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5485, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5492] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] <... futex resumed>) = ? [pid 5489] <... exit_group resumed>) = ? [pid 5487] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5493] <... openat resumed>) = 3 [pid 5492] <... futex resumed>) = 1 [pid 5491] +++ exited with 0 +++ [pid 5489] +++ exited with 0 +++ [pid 5486] <... futex resumed>) = 0 [pid 5486] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5489, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5486] <... futex resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5494 [pid 5486] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5495 attached ./strace-static-x86_64: Process 5494 attached [pid 5493] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5492] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5495] set_robust_list(0x555581d606a0, 24 [pid 5494] set_robust_list(0x555581d606a0, 24 [pid 5493] <... futex resumed>) = 1 [pid 5492] <... ioctl resumed>) = 0 [pid 5487] <... futex resumed>) = 0 [pid 5495] <... set_robust_list resumed>) = 0 [pid 5493] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5487] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5487] <... futex resumed>) = 0 [pid 5494] <... set_robust_list resumed>) = 0 [pid 5492] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5494] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5492] <... futex resumed>) = 1 [pid 5486] <... futex resumed>) = 0 [pid 5492] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5486] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5492] <... ioctl resumed>) = 0 [pid 5486] <... futex resumed>) = 0 [pid 5492] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5494] <... prctl resumed>) = 0 [pid 5492] <... futex resumed>) = 0 [pid 5486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5494] setpgid(0, 0 [pid 5492] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5486] exit_group(0./strace-static-x86_64: Process 5496 attached [pid 5494] <... setpgid resumed>) = 0 [pid 5493] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5492] <... futex resumed>) = ? [pid 5495] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5487] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5486] <... exit_group resumed>) = ? [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5495 [pid 5496] set_robust_list(0x555581d606a0, 24 [pid 5495] <... prctl resumed>) = 0 [pid 5494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5493] <... ioctl resumed>) = 0 [pid 5492] +++ exited with 0 +++ [pid 5486] +++ exited with 0 +++ [pid 5496] <... set_robust_list resumed>) = 0 [pid 5494] <... openat resumed>) = 3 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5486, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5496] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5493] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] setpgid(0, 0 [pid 5493] <... futex resumed>) = 1 [pid 5487] <... futex resumed>) = 0 [pid 5496] <... prctl resumed>) = 0 [pid 5494] write(3, "1000", 4 [pid 5493] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5487] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5496] setpgid(0, 0 [pid 5495] <... setpgid resumed>) = 0 [pid 5494] <... write resumed>) = 4 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5496 ./strace-static-x86_64: Process 5497 attached [pid 5496] <... setpgid resumed>) = 0 [pid 5495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5494] close(3 [pid 5493] <... ioctl resumed>) = 0 [pid 5487] <... futex resumed>) = 0 [pid 5496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5494] <... close resumed>) = 0 [pid 5487] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5493] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5487] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5487] exit_group(0 [pid 5493] <... futex resumed>) = ? [pid 5487] <... exit_group resumed>) = ? [pid 5494] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5497] set_robust_list(0x555581d606a0, 24 [pid 5494] <... futex resumed>) = 0 [pid 5496] <... openat resumed>) = 3 [pid 5494] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5494] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5494] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5497] <... set_robust_list resumed>) = 0 [pid 5496] write(3, "1000", 4 [pid 5495] <... openat resumed>) = 3 [pid 5494] <... mprotect resumed>) = 0 [pid 5493] +++ exited with 0 +++ [pid 5487] +++ exited with 0 +++ [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5497 [pid 5497] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5496] <... write resumed>) = 4 [pid 5495] write(3, "1000", 4 [pid 5494] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5497] <... prctl resumed>) = 0 [pid 5496] close(3 [pid 5495] <... write resumed>) = 4 [pid 5494] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5487, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5497] setpgid(0, 0 [pid 5496] <... close resumed>) = 0 [pid 5495] close(3 [pid 5494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5498 attached [pid 5497] <... setpgid resumed>) = 0 [pid 5496] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] <... close resumed>) = 0 [pid 5498] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5496] <... futex resumed>) = 0 [pid 5495] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5498] <... rseq resumed>) = 0 [pid 5495] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5498] set_robust_list(0x7ff12c97c9a0, 24 [pid 5497] <... openat resumed>) = 3 [pid 5496] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5495] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5494] <... clone3 resumed> => {parent_tid=[5498]}, 88) = 5498 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5499 attached [pid 5498] <... set_robust_list resumed>) = 0 [pid 5497] write(3, "1000", 4 [pid 5496] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5495] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5494] rt_sigprocmask(SIG_SETMASK, [], [pid 5497] <... write resumed>) = 4 [pid 5496] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5494] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5494] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5496] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5497] close(3 [pid 5496] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5497] <... close resumed>) = 0 [pid 5496] <... mprotect resumed>) = 0 [pid 5497] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5496] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5497] <... futex resumed>) = 0 [pid 5497] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5496] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5497] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5496] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5499 [pid 5498] rt_sigprocmask(SIG_SETMASK, [], [pid 5497] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5495] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5500 attached [pid 5499] set_robust_list(0x555581d606a0, 24 [pid 5498] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5500] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5499] <... set_robust_list resumed>) = 0 [pid 5495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5500] <... rseq resumed>) = 0 [pid 5498] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5497] <... mmap resumed>) = 0x7ff12c95c000 [pid 5496] <... clone3 resumed> => {parent_tid=[5500]}, 88) = 5500 [pid 5500] set_robust_list(0x7ff12c97c9a0, 24 [pid 5499] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5497] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5496] rt_sigprocmask(SIG_SETMASK, [], [pid 5500] <... set_robust_list resumed>) = 0 [pid 5499] <... prctl resumed>) = 0 [pid 5498] <... openat resumed>) = 3 [pid 5497] <... mprotect resumed>) = 0 [pid 5496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5495] <... mmap resumed>) = 0x7ff12c95c000 [pid 5500] rt_sigprocmask(SIG_SETMASK, [], [pid 5499] setpgid(0, 0 [pid 5498] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5497] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5496] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5499] <... setpgid resumed>) = 0 [pid 5498] <... futex resumed>) = 1 [pid 5497] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5496] <... futex resumed>) = 0 [pid 5494] <... futex resumed>) = 0 [pid 5500] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5498] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5497] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5496] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5495] <... mprotect resumed>) = 0 [pid 5494] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5501 attached [pid 5500] <... openat resumed>) = 3 [pid 5499] <... openat resumed>) = 3 [pid 5498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5501] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5499] write(3, "1000", 4 [pid 5498] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5497] <... clone3 resumed> => {parent_tid=[5501]}, 88) = 5501 [pid 5495] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5494] <... futex resumed>) = 0 [pid 5501] <... rseq resumed>) = 0 [pid 5500] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] <... write resumed>) = 4 [pid 5498] <... ioctl resumed>) = 0 [pid 5497] rt_sigprocmask(SIG_SETMASK, [], [pid 5495] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5494] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5501] set_robust_list(0x7ff12c97c9a0, 24 [pid 5500] <... futex resumed>) = 1 [pid 5498] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5497] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5496] <... futex resumed>) = 0 [pid 5495] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5501] <... set_robust_list resumed>) = 0 [pid 5500] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5499] close(3 [pid 5498] <... futex resumed>) = 0 [pid 5497] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5496] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5502 attached [pid 5501] rt_sigprocmask(SIG_SETMASK, [], [pid 5500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5499] <... close resumed>) = 0 [pid 5498] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5497] <... futex resumed>) = 0 [pid 5496] <... futex resumed>) = 0 [pid 5494] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5501] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5500] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5499] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5497] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5496] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5495] <... clone3 resumed> => {parent_tid=[5502]}, 88) = 5502 [pid 5494] <... futex resumed>) = 0 [pid 5502] <... rseq resumed>) = 0 [pid 5501] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5500] <... ioctl resumed>) = 0 [pid 5499] <... futex resumed>) = 0 [pid 5498] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5495] rt_sigprocmask(SIG_SETMASK, [], [pid 5494] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5502] set_robust_list(0x7ff12c97c9a0, 24 [pid 5500] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] <... set_robust_list resumed>) = 0 [pid 5500] <... futex resumed>) = 1 [pid 5498] <... ioctl resumed>) = 0 [pid 5499] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5496] <... futex resumed>) = 0 [pid 5495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5502] rt_sigprocmask(SIG_SETMASK, [], [pid 5500] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5499] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5498] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5496] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5501] <... openat resumed>) = 3 [pid 5500] <... ioctl resumed>) = 0 [pid 5499] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5498] <... futex resumed>) = 1 [pid 5496] <... futex resumed>) = 0 [pid 5495] <... futex resumed>) = 0 [pid 5494] <... futex resumed>) = 0 [pid 5502] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5501] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5500] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5498] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5496] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5494] exit_group(0 [pid 5495] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5502] <... openat resumed>) = 3 [pid 5501] <... futex resumed>) = 1 [pid 5500] <... futex resumed>) = 0 [pid 5499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5498] <... futex resumed>) = ? [pid 5497] <... futex resumed>) = 0 [pid 5496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5494] <... exit_group resumed>) = ? [pid 5502] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5500] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5499] <... mmap resumed>) = 0x7ff12c95c000 [pid 5498] +++ exited with 0 +++ [pid 5497] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] <... futex resumed>) = 1 [pid 5501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5495] <... futex resumed>) = 0 [pid 5501] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5499] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5495] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5495] <... futex resumed>) = 0 [pid 5497] <... futex resumed>) = 0 [pid 5496] exit_group(0 [pid 5500] <... futex resumed>) = ? [pid 5497] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5496] <... exit_group resumed>) = ? [pid 5502] <... ioctl resumed>) = 0 [pid 5501] <... ioctl resumed>) = 0 [pid 5500] +++ exited with 0 +++ [pid 5499] <... mprotect resumed>) = 0 [pid 5496] +++ exited with 0 +++ [pid 5495] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5494] +++ exited with 0 +++ [pid 5502] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5502] <... futex resumed>) = 0 [pid 5501] <... futex resumed>) = 1 [pid 5499] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5497] <... futex resumed>) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5494, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5495] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5496, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5502] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5501] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5499] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5497] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] <... futex resumed>) = 0 [pid 5502] <... ioctl resumed>) = 0 [pid 5501] <... ioctl resumed>) = 0 [pid 5499] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5497] <... futex resumed>) = 0 [pid 5495] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5497] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5502] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5504 attached ./strace-static-x86_64: Process 5503 attached [pid 5502] <... futex resumed>) = 1 [pid 5501] <... futex resumed>) = 1 [pid 5499] <... clone3 resumed> => {parent_tid=[5503]}, 88) = 5503 [pid 5497] <... futex resumed>) = 0 [pid 5495] <... futex resumed>) = 0 [pid 5502] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5501] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5499] rt_sigprocmask(SIG_SETMASK, [], [pid 5495] exit_group(0 [pid 5499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5504] set_robust_list(0x555581d606a0, 24 [pid 5502] <... futex resumed>) = ? [pid 5499] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] <... exit_group resumed>) = ? [pid 5499] <... futex resumed>) = 0 [pid 5503] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5502] +++ exited with 0 +++ [pid 5499] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5497] exit_group(0 [pid 5504] <... set_robust_list resumed>) = 0 [pid 5503] <... rseq resumed>) = 0 [pid 5497] <... exit_group resumed>) = ? [pid 5503] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5503] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5503] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5504 ./strace-static-x86_64: Process 5505 attached [pid 5504] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5503] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] <... futex resumed>) = ? [pid 5495] +++ exited with 0 +++ [pid 5505] set_robust_list(0x555581d606a0, 24 [pid 5503] <... futex resumed>) = 1 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5495, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5505] <... set_robust_list resumed>) = 0 [pid 5503] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5505 [pid 5505] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5504] <... prctl resumed>) = 0 [pid 5501] +++ exited with 0 +++ [pid 5499] <... futex resumed>) = 0 [pid 5497] +++ exited with 0 +++ [pid 5505] <... prctl resumed>) = 0 [pid 5499] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5506 attached ) = 1 [pid 5506] set_robust_list(0x555581d606a0, 24 [pid 5505] setpgid(0, 0 [pid 5504] setpgid(0, 0 [pid 5503] <... futex resumed>) = 0 [pid 5499] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5497, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5506] <... set_robust_list resumed>) = 0 [pid 5504] <... setpgid resumed>) = 0 [pid 5503] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5505] <... setpgid resumed>) = 0 [pid 5503] <... ioctl resumed>) = 0 [pid 5506] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5503] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] <... prctl resumed>) = 0 [pid 5505] <... openat resumed>) = 3 [pid 5503] <... futex resumed>) = 1 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5506 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5504] <... openat resumed>) = 3 [pid 5503] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5499] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5507 attached [pid 5506] setpgid(0, 0 [pid 5505] write(3, "1000", 4) = 4 [pid 5505] close(3) = 0 [pid 5505] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5505] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5505] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5505] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5506] <... setpgid resumed>) = 0 [pid 5499] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] set_robust_list(0x555581d606a0, 24 [pid 5505] <... mprotect resumed>) = 0 [pid 5504] write(3, "1000", 4 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5507 [pid 5507] <... set_robust_list resumed>) = 0 [pid 5505] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5504] <... write resumed>) = 4 [pid 5503] <... futex resumed>) = 0 [pid 5499] <... futex resumed>) = 1 [pid 5503] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5507] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5505] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5504] close(3 [pid 5503] <... ioctl resumed>) = 0 [pid 5499] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5507] <... prctl resumed>) = 0 [pid 5505] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5503] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] setpgid(0, 0 [pid 5506] <... openat resumed>) = 3 [pid 5504] <... close resumed>) = 0 [pid 5503] <... futex resumed>) = 0 [pid 5499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5508 attached [pid 5507] <... setpgid resumed>) = 0 [pid 5506] write(3, "1000", 4 [pid 5505] <... clone3 resumed> => {parent_tid=[5508]}, 88) = 5508 [pid 5504] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5503] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5499] exit_group(0 [pid 5508] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5506] <... write resumed>) = 4 [pid 5505] rt_sigprocmask(SIG_SETMASK, [], [pid 5504] <... futex resumed>) = 0 [pid 5503] <... futex resumed>) = ? [pid 5499] <... exit_group resumed>) = ? [pid 5508] <... rseq resumed>) = 0 [pid 5506] close(3 [pid 5505] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5504] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5503] +++ exited with 0 +++ [pid 5508] set_robust_list(0x7ff12c97c9a0, 24 [pid 5505] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] <... set_robust_list resumed>) = 0 [pid 5505] <... futex resumed>) = 0 [pid 5508] rt_sigprocmask(SIG_SETMASK, [], [pid 5505] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5508] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5508] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3 [pid 5499] +++ exited with 0 +++ [pid 5506] <... close resumed>) = 0 [pid 5504] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5508] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5504] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5499, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5508] <... futex resumed>) = 1 [pid 5507] <... openat resumed>) = 3 [pid 5506] <... futex resumed>) = 0 [pid 5505] <... futex resumed>) = 0 [pid 5504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5508] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5507] write(3, "1000", 4 [pid 5506] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5505] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5506] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5505] <... futex resumed>) = 0 [pid 5504] <... mmap resumed>) = 0x7ff12c95c000 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5508] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5507] <... write resumed>) = 4 [pid 5506] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5505] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5504] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5508] <... ioctl resumed>) = 0 [pid 5507] close(3 [pid 5506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5504] <... mprotect resumed>) = 0 [pid 5508] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5508] <... futex resumed>) = 1 [pid 5507] <... close resumed>) = 0 [pid 5506] <... mmap resumed>) = 0x7ff12c95c000 [pid 5505] <... futex resumed>) = 0 [pid 5504] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5509 attached [pid 5506] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5509] set_robust_list(0x555581d606a0, 24 [pid 5508] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5505] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] <... set_robust_list resumed>) = 0 [pid 5507] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] <... mprotect resumed>) = 0 [pid 5504] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5508] <... ioctl resumed>) = 0 [pid 5505] <... futex resumed>) = 0 [pid 5509] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5508] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] <... futex resumed>) = 0 [pid 5505] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5504] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5509] <... prctl resumed>) = 0 [pid 5508] <... futex resumed>) = 0 [pid 5507] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5506] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5509 ./strace-static-x86_64: Process 5510 attached [pid 5509] setpgid(0, 0 [pid 5508] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5507] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5506] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5505] exit_group(0 [pid 5510] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5509] <... setpgid resumed>) = 0 [pid 5508] <... futex resumed>) = ? [pid 5507] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5505] <... exit_group resumed>) = ? [pid 5510] <... rseq resumed>) = 0 [pid 5508] +++ exited with 0 +++ [pid 5510] set_robust_list(0x7ff12c97c9a0, 24 [pid 5509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5505] +++ exited with 0 +++ [pid 5504] <... clone3 resumed> => {parent_tid=[5510]}, 88) = 5510 ./strace-static-x86_64: Process 5511 attached [pid 5510] <... set_robust_list resumed>) = 0 [pid 5507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5504] rt_sigprocmask(SIG_SETMASK, [], [pid 5511] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5510] rt_sigprocmask(SIG_SETMASK, [], [pid 5504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5509] <... openat resumed>) = 3 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5505, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5511] <... rseq resumed>) = 0 [pid 5510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5509] write(3, "1000", 4 [pid 5507] <... mmap resumed>) = 0x7ff12c95c000 [pid 5506] <... clone3 resumed> => {parent_tid=[5511]}, 88) = 5511 [pid 5504] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5512 attached [pid 5511] set_robust_list(0x7ff12c97c9a0, 24 [pid 5510] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5509] <... write resumed>) = 4 [pid 5507] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5506] rt_sigprocmask(SIG_SETMASK, [], [pid 5504] <... futex resumed>) = 0 [pid 5511] <... set_robust_list resumed>) = 0 [pid 5510] <... openat resumed>) = 3 [pid 5509] close(3 [pid 5506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5504] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5512] set_robust_list(0x555581d606a0, 24 [pid 5507] <... mprotect resumed>) = 0 [pid 5506] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] <... close resumed>) = 0 [pid 5506] <... futex resumed>) = 0 [pid 5511] rt_sigprocmask(SIG_SETMASK, [], [pid 5509] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5512] <... set_robust_list resumed>) = 0 [pid 5511] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5509] <... futex resumed>) = 0 [pid 5512] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5511] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5510] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5511] <... openat resumed>) = 3 [pid 5510] <... futex resumed>) = 1 [pid 5504] <... futex resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5512 [pid 5510] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5504] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5511] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5510] <... ioctl resumed>) = 0 [pid 5504] <... futex resumed>) = 0 [pid 5511] <... futex resumed>) = 1 [pid 5510] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5504] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5512] <... prctl resumed>) = 0 [pid 5511] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5510] <... futex resumed>) = 0 [pid 5509] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5507] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5506] <... futex resumed>) = 0 [pid 5504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5512] setpgid(0, 0 [pid 5510] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5509] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5507] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5506] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5504] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5512] <... setpgid resumed>) = 0 [pid 5511] <... futex resumed>) = 0 [pid 5510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5509] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5506] <... futex resumed>) = 1 [pid 5504] <... futex resumed>) = 0 [pid 5511] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5510] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5506] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5504] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5513 attached [pid 5512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5511] <... ioctl resumed>) = 0 [pid 5510] <... ioctl resumed>) = 0 [pid 5513] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5509] <... mmap resumed>) = 0x7ff12c95c000 [pid 5513] <... rseq resumed>) = 0 [pid 5511] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5510] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5507] <... clone3 resumed> => {parent_tid=[5513]}, 88) = 5513 [pid 5513] set_robust_list(0x7ff12c97c9a0, 24 [pid 5512] <... openat resumed>) = 3 [pid 5511] <... futex resumed>) = 1 [pid 5510] <... futex resumed>) = 1 [pid 5509] <... mprotect resumed>) = 0 [pid 5507] rt_sigprocmask(SIG_SETMASK, [], [pid 5506] <... futex resumed>) = 0 [pid 5504] <... futex resumed>) = 0 [pid 5512] write(3, "1000", 4 [pid 5510] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5506] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] <... futex resumed>) = 0 [pid 5512] <... write resumed>) = 4 [pid 5506] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5507] <... futex resumed>) = 0 [pid 5512] close(3 [pid 5509] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5512] <... close resumed>) = 0 [pid 5509] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5507] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5512] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] <... set_robust_list resumed>) = 0 [pid 5511] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5504] exit_group(0 [pid 5512] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5514 attached [pid 5513] rt_sigprocmask(SIG_SETMASK, [], [pid 5512] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5511] <... ioctl resumed>) = 0 [pid 5510] <... futex resumed>) = ? [pid 5504] <... exit_group resumed>) = ? [pid 5514] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5513] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5512] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5511] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5510] +++ exited with 0 +++ [pid 5509] <... clone3 resumed> => {parent_tid=[5514]}, 88) = 5514 [pid 5514] <... rseq resumed>) = 0 [pid 5514] set_robust_list(0x7ff12c97c9a0, 24 [pid 5513] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5512] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5511] <... futex resumed>) = 1 [pid 5509] rt_sigprocmask(SIG_SETMASK, [], [pid 5506] <... futex resumed>) = 0 [pid 5504] +++ exited with 0 +++ [pid 5514] <... set_robust_list resumed>) = 0 [pid 5513] <... openat resumed>) = 3 [pid 5512] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5511] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5509] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5506] exit_group(0 [pid 5514] rt_sigprocmask(SIG_SETMASK, [], [pid 5513] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5512] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5511] <... futex resumed>) = ? [pid 5509] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] <... exit_group resumed>) = ? [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5504, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5514] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5512] <... mmap resumed>) = 0x7ff12c95c000 [pid 5511] +++ exited with 0 +++ [pid 5513] <... futex resumed>) = 1 [pid 5509] <... futex resumed>) = 0 [pid 5507] <... futex resumed>) = 0 [pid 5065] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5506] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5506, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5514] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5513] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5512] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5509] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5507] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5515 attached [pid 5514] <... openat resumed>) = 3 [pid 5513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5512] <... mprotect resumed>) = 0 [pid 5507] <... futex resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5515 [pid 5515] set_robust_list(0x555581d606a0, 24 [pid 5514] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5512] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5507] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5514] <... futex resumed>) = 1 [pid 5513] <... ioctl resumed>) = 0 [pid 5512] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5514] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5513] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5512] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5513] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5517 attached ./strace-static-x86_64: Process 5516 attached [pid 5515] <... set_robust_list resumed>) = 0 [pid 5513] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5512] <... clone3 resumed> => {parent_tid=[5516]}, 88) = 5516 [pid 5509] <... futex resumed>) = 0 [pid 5507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5515] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5512] rt_sigprocmask(SIG_SETMASK, [], [pid 5509] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5517] set_robust_list(0x555581d606a0, 24 [pid 5509] <... futex resumed>) = 1 [pid 5516] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5513] <... futex resumed>) = 0 [pid 5512] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5509] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5515] <... prctl resumed>) = 0 [pid 5507] <... futex resumed>) = 1 [pid 5517] <... set_robust_list resumed>) = 0 [pid 5516] <... rseq resumed>) = 0 [pid 5514] <... futex resumed>) = 0 [pid 5513] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5512] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5517 [pid 5517] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5516] set_robust_list(0x7ff12c97c9a0, 24 [pid 5515] setpgid(0, 0 [pid 5514] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5513] <... ioctl resumed>) = 0 [pid 5512] <... futex resumed>) = 0 [pid 5507] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5517] <... prctl resumed>) = 0 [pid 5516] <... set_robust_list resumed>) = 0 [pid 5515] <... setpgid resumed>) = 0 [pid 5514] <... ioctl resumed>) = 0 [pid 5513] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5512] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5516] rt_sigprocmask(SIG_SETMASK, [], [pid 5514] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] <... futex resumed>) = 0 [pid 5507] exit_group(0 [pid 5517] setpgid(0, 0 [pid 5516] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5514] <... futex resumed>) = 1 [pid 5509] <... futex resumed>) = 0 [pid 5507] <... exit_group resumed>) = ? [pid 5517] <... setpgid resumed>) = 0 [pid 5516] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5514] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5513] +++ exited with 0 +++ [pid 5509] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5509] <... futex resumed>) = 0 [pid 5517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5514] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5509] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5514] <... ioctl resumed>) = 0 [pid 5514] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5509] <... futex resumed>) = 0 [pid 5514] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5509] exit_group(0 [pid 5514] <... futex resumed>) = ? [pid 5509] <... exit_group resumed>) = ? [pid 5514] +++ exited with 0 +++ [pid 5509] +++ exited with 0 +++ [pid 5517] <... openat resumed>) = 3 [pid 5516] <... openat resumed>) = 3 [pid 5515] <... openat resumed>) = 3 [pid 5517] write(3, "1000", 4 [pid 5516] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5509, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5517] <... write resumed>) = 4 [pid 5516] <... futex resumed>) = 1 [pid 5515] write(3, "1000", 4 [pid 5512] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5507, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5517] close(3 [pid 5516] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5515] <... write resumed>) = 4 [pid 5512] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5517] <... close resumed>) = 0 [pid 5516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5515] close(3 [pid 5512] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5517] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5516] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5515] <... close resumed>) = 0 [pid 5512] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5517] <... futex resumed>) = 0 [pid 5516] <... ioctl resumed>) = 0 [pid 5517] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5516] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5517] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5516] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5518 attached [pid 5517] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5516] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5517] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5519 attached [pid 5518] set_robust_list(0x555581d606a0, 24 [pid 5517] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5515] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5518] <... set_robust_list resumed>) = 0 [pid 5517] <... mmap resumed>) = 0x7ff12c95c000 [pid 5519] set_robust_list(0x555581d606a0, 24 [pid 5515] <... futex resumed>) = 0 [pid 5512] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5518 [pid 5517] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5516] <... futex resumed>) = 0 [pid 5515] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5512] <... futex resumed>) = 1 [pid 5519] <... set_robust_list resumed>) = 0 [pid 5518] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5517] <... mprotect resumed>) = 0 [pid 5516] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5515] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5519] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5516] <... ioctl resumed>) = 0 [pid 5515] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5512] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5519] <... prctl resumed>) = 0 [pid 5518] <... prctl resumed>) = 0 [pid 5517] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5516] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5519 [pid 5516] <... futex resumed>) = 0 [pid 5515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5512] exit_group(0 [pid 5518] setpgid(0, 0 [pid 5517] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5515] <... mmap resumed>) = 0x7ff12c95c000 [pid 5512] <... exit_group resumed>) = ? [pid 5519] setpgid(0, 0 [pid 5518] <... setpgid resumed>) = 0 [pid 5517] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5516] +++ exited with 0 +++ [pid 5515] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5520 attached [pid 5519] <... setpgid resumed>) = 0 [pid 5518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5515] <... mprotect resumed>) = 0 [pid 5512] +++ exited with 0 +++ [pid 5520] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5518] <... openat resumed>) = 3 [pid 5517] <... clone3 resumed> => {parent_tid=[5520]}, 88) = 5520 [pid 5515] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5512, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5520] <... rseq resumed>) = 0 [pid 5517] rt_sigprocmask(SIG_SETMASK, [], [pid 5515] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5520] set_robust_list(0x7ff12c97c9a0, 24 [pid 5519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5517] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5520] <... set_robust_list resumed>) = 0 [pid 5520] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5521 attached [pid 5517] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5521] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5520] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5519] <... openat resumed>) = 3 [pid 5518] write(3, "1000", 4 [pid 5517] <... futex resumed>) = 0 [pid 5515] <... clone3 resumed> => {parent_tid=[5521]}, 88) = 5521 [pid 5521] <... rseq resumed>) = 0 [pid 5520] <... openat resumed>) = 3 [pid 5517] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5515] rt_sigprocmask(SIG_SETMASK, [], [pid 5521] set_robust_list(0x7ff12c97c9a0, 24 [pid 5519] write(3, "1000", 4 [pid 5518] <... write resumed>) = 4 [pid 5515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5521] <... set_robust_list resumed>) = 0 [pid 5520] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5519] <... write resumed>) = 4 [pid 5518] close(3 [pid 5515] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5522 attached [pid 5521] rt_sigprocmask(SIG_SETMASK, [], [pid 5520] <... futex resumed>) = 1 [pid 5519] close(3 [pid 5518] <... close resumed>) = 0 [pid 5517] <... futex resumed>) = 0 [pid 5515] <... futex resumed>) = 0 [pid 5522] set_robust_list(0x555581d606a0, 24 [pid 5521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5520] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5519] <... close resumed>) = 0 [pid 5518] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5517] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5515] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5522] <... set_robust_list resumed>) = 0 [pid 5517] <... futex resumed>) = 0 [pid 5522] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5521] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5520] <... ioctl resumed>) = 0 [pid 5519] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5518] <... futex resumed>) = 0 [pid 5517] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5520] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] <... prctl resumed>) = 0 [pid 5521] <... openat resumed>) = 3 [pid 5520] <... futex resumed>) = 1 [pid 5519] <... futex resumed>) = 0 [pid 5518] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5517] <... futex resumed>) = 0 [pid 5521] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5520] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5521] <... futex resumed>) = 1 [pid 5515] <... futex resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5522 [pid 5521] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5515] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5515] <... futex resumed>) = 0 [pid 5521] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5515] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5521] <... ioctl resumed>) = 0 [pid 5521] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5515] <... futex resumed>) = 0 [pid 5515] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5521] <... futex resumed>) = 1 [pid 5515] <... futex resumed>) = 0 [pid 5521] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5515] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5521] <... ioctl resumed>) = 0 [pid 5521] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] setpgid(0, 0 [pid 5519] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5518] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5517] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] <... setpgid resumed>) = 0 [pid 5521] <... futex resumed>) = 1 [pid 5520] <... futex resumed>) = 0 [pid 5519] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5518] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5517] <... futex resumed>) = 1 [pid 5515] <... futex resumed>) = 0 [pid 5522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5521] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5520] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5519] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5518] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5517] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5515] exit_group(0 [pid 5522] <... openat resumed>) = 3 [pid 5521] <... futex resumed>) = ? [pid 5520] <... ioctl resumed>) = 0 [pid 5519] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5518] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5515] <... exit_group resumed>) = ? [pid 5521] +++ exited with 0 +++ [pid 5520] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5518] <... mmap resumed>) = 0x7ff12c95c000 [pid 5517] <... futex resumed>) = 0 [pid 5520] <... futex resumed>) = 1 [pid 5518] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5517] exit_group(0 [pid 5522] write(3, "1000", 4 [pid 5519] <... mmap resumed>) = 0x7ff12c95c000 [pid 5518] <... mprotect resumed>) = 0 [pid 5517] <... exit_group resumed>) = ? [pid 5522] <... write resumed>) = 4 [pid 5522] close(3) = 0 [pid 5522] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5520] +++ exited with 0 +++ [pid 5517] +++ exited with 0 +++ [pid 5519] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5522] <... futex resumed>) = 0 [pid 5518] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5519] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5518] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5519] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5518] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5519] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5524 attached ./strace-static-x86_64: Process 5523 attached [pid 5522] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5517, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5522] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5524] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5523] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5522] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5519] <... clone3 resumed> => {parent_tid=[5524]}, 88) = 5524 [pid 5518] <... clone3 resumed> => {parent_tid=[5523]}, 88) = 5523 [pid 5524] <... rseq resumed>) = 0 [pid 5523] <... rseq resumed>) = 0 [pid 5522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5519] rt_sigprocmask(SIG_SETMASK, [], [pid 5518] rt_sigprocmask(SIG_SETMASK, [], [pid 5515] +++ exited with 0 +++ [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5525 attached [pid 5524] set_robust_list(0x7ff12c97c9a0, 24 [pid 5523] set_robust_list(0x7ff12c97c9a0, 24 [pid 5522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5519] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5518] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5525] set_robust_list(0x555581d606a0, 24 [pid 5524] <... set_robust_list resumed>) = 0 [pid 5523] <... set_robust_list resumed>) = 0 [pid 5522] <... mmap resumed>) = 0x7ff12c95c000 [pid 5519] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5518] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] <... set_robust_list resumed>) = 0 [pid 5524] rt_sigprocmask(SIG_SETMASK, [], [pid 5523] rt_sigprocmask(SIG_SETMASK, [], [pid 5519] <... futex resumed>) = 0 [pid 5518] <... futex resumed>) = 0 [pid 5525] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5524] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5523] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5522] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5519] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5518] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5515, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5524] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5522] <... mprotect resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5525 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5525] <... prctl resumed>) = 0 [pid 5524] <... openat resumed>) = 3 [pid 5523] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5522] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5526 attached [pid 5525] setpgid(0, 0 [pid 5524] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5523] <... openat resumed>) = 3 [pid 5522] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5526] set_robust_list(0x555581d606a0, 24 [pid 5525] <... setpgid resumed>) = 0 [pid 5524] <... futex resumed>) = 1 [pid 5523] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5519] <... futex resumed>) = 0 [pid 5526] <... set_robust_list resumed>) = 0 [pid 5524] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5519] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5527 attached [pid 5525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5523] <... futex resumed>) = 1 [pid 5519] <... futex resumed>) = 0 [pid 5518] <... futex resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5526 [pid 5527] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5525] <... openat resumed>) = 3 [pid 5524] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5523] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5522] <... clone3 resumed> => {parent_tid=[5527]}, 88) = 5527 [pid 5519] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5527] <... rseq resumed>) = 0 [pid 5526] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5525] write(3, "1000", 4 [pid 5524] <... ioctl resumed>) = 0 [pid 5523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5522] rt_sigprocmask(SIG_SETMASK, [], [pid 5518] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5527] set_robust_list(0x7ff12c97c9a0, 24 [pid 5526] <... prctl resumed>) = 0 [pid 5525] <... write resumed>) = 4 [pid 5524] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5523] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5518] <... futex resumed>) = 0 [pid 5527] <... set_robust_list resumed>) = 0 [pid 5526] setpgid(0, 0 [pid 5525] close(3 [pid 5524] <... futex resumed>) = 1 [pid 5523] <... ioctl resumed>) = 0 [pid 5522] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5519] <... futex resumed>) = 0 [pid 5518] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5527] rt_sigprocmask(SIG_SETMASK, [], [pid 5526] <... setpgid resumed>) = 0 [pid 5525] <... close resumed>) = 0 [pid 5524] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5523] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] <... futex resumed>) = 0 [pid 5519] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5527] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5525] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5523] <... futex resumed>) = 0 [pid 5522] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5519] <... futex resumed>) = 0 [pid 5518] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5527] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5525] <... futex resumed>) = 0 [pid 5524] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5523] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5519] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5526] <... openat resumed>) = 3 [pid 5518] <... futex resumed>) = 0 [pid 5527] <... openat resumed>) = 3 [pid 5525] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5524] <... ioctl resumed>) = 0 [pid 5523] <... ioctl resumed>) = 0 [pid 5527] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] write(3, "1000", 4 [pid 5525] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5524] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5523] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5518] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5527] <... futex resumed>) = 1 [pid 5526] <... write resumed>) = 4 [pid 5525] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5524] <... futex resumed>) = 1 [pid 5523] <... futex resumed>) = 0 [pid 5522] <... futex resumed>) = 0 [pid 5519] <... futex resumed>) = 0 [pid 5518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5527] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5526] close(3 [pid 5525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5524] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5523] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5522] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5519] exit_group(0 [pid 5518] exit_group(0 [pid 5527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5526] <... close resumed>) = 0 [pid 5525] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5524] <... futex resumed>) = ? [pid 5523] <... futex resumed>) = ? [pid 5522] <... futex resumed>) = 0 [pid 5519] <... exit_group resumed>) = ? [pid 5518] <... exit_group resumed>) = ? [pid 5527] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5526] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] <... mmap resumed>) = 0x7ff12c95c000 [pid 5524] +++ exited with 0 +++ [pid 5523] +++ exited with 0 +++ [pid 5522] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5519] +++ exited with 0 +++ [pid 5527] <... ioctl resumed>) = 0 [pid 5526] <... futex resumed>) = 0 [pid 5525] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5527] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5525] <... mprotect resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5519, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5527] <... futex resumed>) = 1 [pid 5526] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5525] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5522] <... futex resumed>) = 0 [pid 5518] +++ exited with 0 +++ [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5527] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5526] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5525] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5522] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5527] <... ioctl resumed>) = 0 [pid 5526] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5525] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5522] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5518, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5528 attached [pid 5527] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5522] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5528] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5527] <... futex resumed>) = 0 [pid 5526] <... mmap resumed>) = 0x7ff12c95c000 [pid 5525] <... clone3 resumed> => {parent_tid=[5528]}, 88) = 5528 [pid 5522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5529 attached [pid 5528] <... rseq resumed>) = 0 [pid 5527] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5526] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5525] rt_sigprocmask(SIG_SETMASK, [], [pid 5522] exit_group(0 [pid 5529] set_robust_list(0x555581d606a0, 24 [pid 5528] set_robust_list(0x7ff12c97c9a0, 24 [pid 5526] <... mprotect resumed>) = 0 [pid 5525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5529] <... set_robust_list resumed>) = 0 [pid 5528] <... set_robust_list resumed>) = 0 [pid 5525] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5529] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5528] rt_sigprocmask(SIG_SETMASK, [], [pid 5526] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5525] <... futex resumed>) = 0 [pid 5528] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5525] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5530 attached [pid 5528] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5527] <... futex resumed>) = ? [pid 5526] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5522] <... exit_group resumed>) = ? [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5529 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5530 [pid 5530] set_robust_list(0x555581d606a0, 24 [pid 5529] <... prctl resumed>) = 0 [pid 5528] <... openat resumed>) = 3 [pid 5527] +++ exited with 0 +++ [pid 5522] +++ exited with 0 +++ [pid 5530] <... set_robust_list resumed>) = 0 [pid 5529] setpgid(0, 0 [pid 5528] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5531 attached [pid 5530] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5529] <... setpgid resumed>) = 0 [pid 5528] <... futex resumed>) = 1 [pid 5525] <... futex resumed>) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5522, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5531] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5530] <... prctl resumed>) = 0 [pid 5528] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5525] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5531] <... rseq resumed>) = 0 [pid 5530] setpgid(0, 0 [pid 5529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5528] <... ioctl resumed>) = 0 [pid 5525] <... futex resumed>) = 0 [pid 5066] <... restart_syscall resumed>) = 0 [pid 5531] set_robust_list(0x7ff12c97c9a0, 24 [pid 5530] <... setpgid resumed>) = 0 [pid 5528] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] <... clone3 resumed> => {parent_tid=[5531]}, 88) = 5531 [pid 5525] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5531] <... set_robust_list resumed>) = 0 [pid 5530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5529] <... openat resumed>) = 3 [pid 5528] <... futex resumed>) = 0 [pid 5526] rt_sigprocmask(SIG_SETMASK, [], [pid 5525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5531] rt_sigprocmask(SIG_SETMASK, [], [pid 5530] <... openat resumed>) = 3 [pid 5529] write(3, "1000", 4 [pid 5528] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5526] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5525] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5532 attached [pid 5531] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5530] write(3, "1000", 4 [pid 5529] <... write resumed>) = 4 [pid 5528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5526] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] <... futex resumed>) = 0 [pid 5532] set_robust_list(0x555581d606a0, 24 [pid 5531] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5530] <... write resumed>) = 4 [pid 5529] close(3 [pid 5528] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5526] <... futex resumed>) = 0 [pid 5525] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5532] <... set_robust_list resumed>) = 0 [pid 5531] <... openat resumed>) = 3 [pid 5529] <... close resumed>) = 0 [pid 5530] close(3 [pid 5528] <... ioctl resumed>) = 0 [pid 5526] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5532] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5531] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] <... close resumed>) = 0 [pid 5529] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5528] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5532] <... prctl resumed>) = 0 [pid 5531] <... futex resumed>) = 0 [pid 5530] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5529] <... futex resumed>) = 0 [pid 5528] <... futex resumed>) = 1 [pid 5526] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] <... futex resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5532 [pid 5532] setpgid(0, 0 [pid 5531] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5530] <... futex resumed>) = 0 [pid 5529] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5526] <... futex resumed>) = 0 [pid 5532] <... setpgid resumed>) = 0 [pid 5531] <... ioctl resumed>) = 0 [pid 5530] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5529] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5528] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5526] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5525] exit_group(0 [pid 5532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5531] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5529] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5528] <... futex resumed>) = ? [pid 5525] <... exit_group resumed>) = ? [pid 5532] <... openat resumed>) = 3 [pid 5531] <... futex resumed>) = 1 [pid 5530] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5526] <... futex resumed>) = 0 [pid 5528] +++ exited with 0 +++ [pid 5530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5526] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5526] <... futex resumed>) = 0 [pid 5532] write(3, "1000", 4 [pid 5531] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5530] <... mmap resumed>) = 0x7ff12c95c000 [pid 5529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5526] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5532] <... write resumed>) = 4 [pid 5531] <... ioctl resumed>) = 0 [pid 5530] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5529] <... mmap resumed>) = 0x7ff12c95c000 [pid 5532] close(3 [pid 5531] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] <... mprotect resumed>) = 0 [pid 5529] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5532] <... close resumed>) = 0 [pid 5531] <... futex resumed>) = 1 [pid 5526] <... futex resumed>) = 0 [pid 5529] <... mprotect resumed>) = 0 [pid 5532] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5531] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5530] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5526] exit_group(0 [pid 5525] +++ exited with 0 +++ [pid 5532] <... futex resumed>) = 0 [pid 5531] <... futex resumed>) = ? [pid 5530] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5529] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5526] <... exit_group resumed>) = ? [pid 5532] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5531] +++ exited with 0 +++ [pid 5530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5529] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5526] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5525, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5532] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5529] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5532] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5530] <... clone3 resumed> => {parent_tid=[5534]}, 88) = 5534 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5526, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5530] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5535 attached ./strace-static-x86_64: Process 5534 attached ./strace-static-x86_64: Process 5533 attached [pid 5532] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5529] <... clone3 resumed> => {parent_tid=[5533]}, 88) = 5533 [pid 5065] <... restart_syscall resumed>) = 0 [pid 5535] set_robust_list(0x555581d606a0, 24 [pid 5534] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5533] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5532] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5530] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5529] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5535 [pid 5535] <... set_robust_list resumed>) = 0 [pid 5534] <... rseq resumed>) = 0 [pid 5533] <... rseq resumed>) = 0 [pid 5532] <... mmap resumed>) = 0x7ff12c95c000 [pid 5530] <... futex resumed>) = 0 [pid 5529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5535] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5534] set_robust_list(0x7ff12c97c9a0, 24 [pid 5533] set_robust_list(0x7ff12c97c9a0, 24 [pid 5532] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5530] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5529] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] <... prctl resumed>) = 0 [pid 5534] <... set_robust_list resumed>) = 0 [pid 5533] <... set_robust_list resumed>) = 0 [pid 5532] <... mprotect resumed>) = 0 [pid 5529] <... futex resumed>) = 0 [pid 5535] setpgid(0, 0 [pid 5534] rt_sigprocmask(SIG_SETMASK, [], [pid 5533] rt_sigprocmask(SIG_SETMASK, [], [pid 5532] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5529] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5535] <... setpgid resumed>) = 0 [pid 5534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5532] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5534] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5533] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5532] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5536 attached ./strace-static-x86_64: Process 5537 attached [pid 5535] <... openat resumed>) = 3 [pid 5534] <... openat resumed>) = 3 [pid 5533] <... openat resumed>) = 3 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5536 [pid 5536] set_robust_list(0x555581d606a0, 24 [pid 5535] write(3, "1000", 4 [pid 5534] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5536] <... set_robust_list resumed>) = 0 [pid 5533] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5532] <... clone3 resumed> => {parent_tid=[5537]}, 88) = 5537 [pid 5537] <... rseq resumed>) = 0 [pid 5536] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5535] <... write resumed>) = 4 [pid 5534] <... futex resumed>) = 1 [pid 5530] <... futex resumed>) = 0 [pid 5537] set_robust_list(0x7ff12c97c9a0, 24 [pid 5536] <... prctl resumed>) = 0 [pid 5533] <... futex resumed>) = 1 [pid 5532] rt_sigprocmask(SIG_SETMASK, [], [pid 5529] <... futex resumed>) = 0 [pid 5537] <... set_robust_list resumed>) = 0 [pid 5536] setpgid(0, 0 [pid 5535] close(3 [pid 5534] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5533] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5532] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5530] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5529] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] rt_sigprocmask(SIG_SETMASK, [], [pid 5536] <... setpgid resumed>) = 0 [pid 5535] <... close resumed>) = 0 [pid 5534] <... ioctl resumed>) = 0 [pid 5533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5532] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] <... futex resumed>) = 0 [pid 5529] <... futex resumed>) = 0 [pid 5537] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5535] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5533] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5532] <... futex resumed>) = 0 [pid 5530] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5529] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5537] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5536] <... openat resumed>) = 3 [pid 5535] <... futex resumed>) = 0 [pid 5534] <... futex resumed>) = 0 [pid 5533] <... ioctl resumed>) = 0 [pid 5532] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5537] <... openat resumed>) = 3 [pid 5536] write(3, "1000", 4 [pid 5535] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5534] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5533] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5536] <... write resumed>) = 4 [pid 5535] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5534] <... ioctl resumed>) = 0 [pid 5533] <... futex resumed>) = 1 [pid 5530] <... futex resumed>) = 0 [pid 5529] <... futex resumed>) = 0 [pid 5537] <... futex resumed>) = 1 [pid 5536] close(3 [pid 5535] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5534] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5533] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5532] <... futex resumed>) = 0 [pid 5530] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5529] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5536] <... close resumed>) = 0 [pid 5535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5534] <... futex resumed>) = 0 [pid 5533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5532] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5536] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5534] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5533] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5532] <... futex resumed>) = 0 [pid 5530] exit_group(0 [pid 5529] <... futex resumed>) = 0 [pid 5537] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5536] <... futex resumed>) = 0 [pid 5535] <... mmap resumed>) = 0x7ff12c95c000 [pid 5534] <... futex resumed>) = ? [pid 5533] <... ioctl resumed>) = 0 [pid 5532] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5530] <... exit_group resumed>) = ? [pid 5529] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5537] <... ioctl resumed>) = 0 [pid 5536] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5535] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5534] +++ exited with 0 +++ [pid 5533] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5537] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5536] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5535] <... mprotect resumed>) = 0 [pid 5533] <... futex resumed>) = 0 [pid 5530] +++ exited with 0 +++ [pid 5529] exit_group(0 [pid 5537] <... futex resumed>) = 1 [pid 5536] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5535] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5532] <... futex resumed>) = 0 [pid 5529] <... exit_group resumed>) = ? [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5530, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5537] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5535] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5533] +++ exited with 0 +++ [pid 5532] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5535] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5529] +++ exited with 0 +++ [pid 5537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5532] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5538 attached [pid 5537] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5536] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5529, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5538] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5537] <... ioctl resumed>) = 0 [pid 5536] <... mprotect resumed>) = 0 [pid 5535] <... clone3 resumed> => {parent_tid=[5538]}, 88) = 5538 [pid 5532] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5538] <... rseq resumed>) = 0 [pid 5537] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] rt_sigprocmask(SIG_SETMASK, [], [pid 5538] set_robust_list(0x7ff12c97c9a0, 24 [pid 5537] <... futex resumed>) = 1 [pid 5535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5532] <... futex resumed>) = 0 [pid 5538] <... set_robust_list resumed>) = 0 [pid 5537] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5535] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5532] exit_group(0 [pid 5538] rt_sigprocmask(SIG_SETMASK, [], [pid 5537] <... futex resumed>) = ? [pid 5532] <... exit_group resumed>) = ? [pid 5538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5537] +++ exited with 0 +++ [pid 5536] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5535] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5536] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5535] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5540 attached ./strace-static-x86_64: Process 5539 attached [pid 5538] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5532] +++ exited with 0 +++ [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5539 ./strace-static-x86_64: Process 5541 attached [pid 5540] set_robust_list(0x555581d606a0, 24 [pid 5539] set_robust_list(0x555581d606a0, 24 [pid 5538] <... openat resumed>) = 3 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5540 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5532, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5541] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5540] <... set_robust_list resumed>) = 0 [pid 5539] <... set_robust_list resumed>) = 0 [pid 5538] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5536] <... clone3 resumed> => {parent_tid=[5541]}, 88) = 5541 [pid 5541] <... rseq resumed>) = 0 [pid 5540] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5539] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5538] <... futex resumed>) = 1 [pid 5536] rt_sigprocmask(SIG_SETMASK, [], [pid 5535] <... futex resumed>) = 0 [pid 5541] set_robust_list(0x7ff12c97c9a0, 24 [pid 5540] <... prctl resumed>) = 0 [pid 5539] <... prctl resumed>) = 0 [pid 5538] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5535] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5541] <... set_robust_list resumed>) = 0 [pid 5540] setpgid(0, 0 [pid 5539] setpgid(0, 0 [pid 5538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5536] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5542 attached [pid 5541] rt_sigprocmask(SIG_SETMASK, [], [pid 5540] <... setpgid resumed>) = 0 [pid 5539] <... setpgid resumed>) = 0 [pid 5538] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5536] <... futex resumed>) = 0 [pid 5535] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5542] set_robust_list(0x555581d606a0, 24 [pid 5541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5536] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5538] <... ioctl resumed>) = 0 [pid 5542] <... set_robust_list resumed>) = 0 [pid 5541] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5540] <... openat resumed>) = 3 [pid 5538] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] <... openat resumed>) = 3 [pid 5538] <... futex resumed>) = 1 [pid 5538] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5540] write(3, "1000", 4 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5542 [pid 5540] <... write resumed>) = 4 [pid 5539] write(3, "1000", 4 [pid 5542] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5541] <... openat resumed>) = 3 [pid 5540] close(3 [pid 5539] <... write resumed>) = 4 [pid 5535] <... futex resumed>) = 0 [pid 5540] <... close resumed>) = 0 [pid 5539] close(3 [pid 5540] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] <... close resumed>) = 0 [pid 5540] <... futex resumed>) = 0 [pid 5539] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5540] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5539] <... futex resumed>) = 0 [pid 5540] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5539] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5540] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5539] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5540] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5539] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5540] <... mmap resumed>) = 0x7ff12c95c000 [pid 5539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5542] <... prctl resumed>) = 0 [pid 5535] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] <... futex resumed>) = 1 [pid 5542] setpgid(0, 0 [pid 5541] <... futex resumed>) = 1 [pid 5540] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5539] <... mmap resumed>) = 0x7ff12c95c000 [pid 5538] <... futex resumed>) = 0 [pid 5536] <... futex resumed>) = 0 [pid 5535] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5542] <... setpgid resumed>) = 0 [pid 5541] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5540] <... mprotect resumed>) = 0 [pid 5539] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5538] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5536] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5540] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5539] <... mprotect resumed>) = 0 [pid 5538] <... ioctl resumed>) = 0 [pid 5536] <... futex resumed>) = 0 [pid 5541] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5536] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5541] <... ioctl resumed>) = 0 [pid 5540] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5539] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5538] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5540] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5538] <... futex resumed>) = 1 [pid 5541] <... futex resumed>) = 1 [pid 5538] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5535] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5543 attached [pid 5541] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5539] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5536] <... futex resumed>) = 0 [pid 5543] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5542] <... openat resumed>) = 3 [pid 5540] <... clone3 resumed> => {parent_tid=[5543]}, 88) = 5543 [pid 5539] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5536] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] exit_group(0./strace-static-x86_64: Process 5544 attached [pid 5543] <... rseq resumed>) = 0 [pid 5542] write(3, "1000", 4 [pid 5541] <... futex resumed>) = 0 [pid 5540] rt_sigprocmask(SIG_SETMASK, [], [pid 5538] <... futex resumed>) = ? [pid 5536] <... futex resumed>) = 1 [pid 5535] <... exit_group resumed>) = ? [pid 5544] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5543] set_robust_list(0x7ff12c97c9a0, 24 [pid 5542] <... write resumed>) = 4 [pid 5541] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5540] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5538] +++ exited with 0 +++ [pid 5536] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5543] <... set_robust_list resumed>) = 0 [pid 5540] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] <... clone3 resumed> => {parent_tid=[5544]}, 88) = 5544 [pid 5541] <... ioctl resumed>) = 0 [pid 5543] rt_sigprocmask(SIG_SETMASK, [], [pid 5542] close(3 [pid 5541] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5540] <... futex resumed>) = 0 [pid 5544] <... rseq resumed>) = 0 [pid 5539] rt_sigprocmask(SIG_SETMASK, [], [pid 5544] set_robust_list(0x7ff12c97c9a0, 24 [pid 5543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5542] <... close resumed>) = 0 [pid 5541] <... futex resumed>) = 1 [pid 5540] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5536] <... futex resumed>) = 0 [pid 5544] <... set_robust_list resumed>) = 0 [pid 5543] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5539] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5536] exit_group(0 [pid 5544] rt_sigprocmask(SIG_SETMASK, [], [pid 5543] <... openat resumed>) = 3 [pid 5539] <... futex resumed>) = 0 [pid 5536] <... exit_group resumed>) = ? [pid 5544] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5542] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] +++ exited with 0 +++ [pid 5544] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5543] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] <... futex resumed>) = 0 [pid 5539] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5536] +++ exited with 0 +++ [pid 5535] +++ exited with 0 +++ [pid 5543] <... futex resumed>) = 1 [pid 5542] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5540] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5535, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5544] <... openat resumed>) = 3 [pid 5543] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5542] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5540] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5536, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5544] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5542] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5540] <... futex resumed>) = 0 [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5543] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5540] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... restart_syscall resumed>) = 0 [pid 5544] <... futex resumed>) = 1 [pid 5543] <... ioctl resumed>) = 0 [pid 5542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5539] <... futex resumed>) = 0 [pid 5544] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5543] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] <... mmap resumed>) = 0x7ff12c95c000 [pid 5539] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5542] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5544] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5543] <... futex resumed>) = 1 [pid 5540] <... futex resumed>) = 0 [pid 5539] <... futex resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5544] <... ioctl resumed>) = 0 [pid 5543] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5542] <... mprotect resumed>) = 0 [pid 5540] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5545 attached [pid 5544] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5540] <... futex resumed>) = 0 [pid 5539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5539] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5543] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5539] <... futex resumed>) = 0 [pid 5540] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5543] <... ioctl resumed>) = 0 [pid 5539] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5543] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5544] <... futex resumed>) = 1 [pid 5543] <... futex resumed>) = 1 [pid 5540] <... futex resumed>) = 0 [pid 5539] <... futex resumed>) = 0 [pid 5545] set_robust_list(0x555581d606a0, 24 [pid 5544] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5539] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5543] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5540] exit_group(0 [pid 5543] <... futex resumed>) = ? [pid 5540] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5546 attached [pid 5545] <... set_robust_list resumed>) = 0 [pid 5544] <... ioctl resumed>) = 0 [pid 5543] +++ exited with 0 +++ [pid 5542] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5540] +++ exited with 0 +++ [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5546 [pid 5546] set_robust_list(0x555581d606a0, 24 [pid 5544] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5545 [pid 5546] <... set_robust_list resumed>) = 0 [pid 5545] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5544] <... futex resumed>) = 1 [pid 5542] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5539] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5540, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5546] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5545] <... prctl resumed>) = 0 [pid 5544] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5539] exit_group(0 [pid 5070] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5547 attached [pid 5545] setpgid(0, 0 [pid 5544] <... futex resumed>) = ? [pid 5539] <... exit_group resumed>) = ? [pid 5070] <... restart_syscall resumed>) = 0 [pid 5547] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5546] <... prctl resumed>) = 0 [pid 5545] <... setpgid resumed>) = 0 [pid 5544] +++ exited with 0 +++ [pid 5542] <... clone3 resumed> => {parent_tid=[5547]}, 88) = 5547 [pid 5539] +++ exited with 0 +++ [pid 5546] setpgid(0, 0 [pid 5547] <... rseq resumed>) = 0 [pid 5542] rt_sigprocmask(SIG_SETMASK, [], [pid 5547] set_robust_list(0x7ff12c97c9a0, 24 [pid 5545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5546] <... setpgid resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5539, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5547] <... set_robust_list resumed>) = 0 [pid 5545] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5548 attached [pid 5547] rt_sigprocmask(SIG_SETMASK, [], [pid 5546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5542] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5547] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5545] write(3, "1000", 4 [pid 5542] <... futex resumed>) = 0 [pid 5548] set_robust_list(0x555581d606a0, 24) = 0 [pid 5547] <... openat resumed>) = 3 [pid 5546] <... openat resumed>) = 3 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5548] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5546] write(3, "1000", 4 [pid 5545] <... write resumed>) = 4 [pid 5542] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5547] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] <... write resumed>) = 4 [pid 5545] close(3 [pid 5547] <... futex resumed>) = 1 [pid 5546] close(3 [pid 5545] <... close resumed>) = 0 [pid 5542] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5548 [pid 5548] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5549 attached [pid 5547] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5546] <... close resumed>) = 0 [pid 5545] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5548] setpgid(0, 0 [pid 5549] set_robust_list(0x555581d606a0, 24 [pid 5547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5546] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] <... futex resumed>) = 0 [pid 5542] <... futex resumed>) = 0 [pid 5548] <... setpgid resumed>) = 0 [pid 5545] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5549] <... set_robust_list resumed>) = 0 [pid 5547] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5546] <... futex resumed>) = 0 [pid 5542] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5545] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5549 [pid 5549] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5547] <... ioctl resumed>) = 0 [pid 5546] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5545] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5549] <... prctl resumed>) = 0 [pid 5547] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5549] setpgid(0, 0 [pid 5548] <... openat resumed>) = 3 [pid 5547] <... futex resumed>) = 1 [pid 5546] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5545] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5542] <... futex resumed>) = 0 [pid 5549] <... setpgid resumed>) = 0 [pid 5548] write(3, "1000", 4 [pid 5547] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5546] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5542] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5548] <... write resumed>) = 4 [pid 5547] <... ioctl resumed>) = 0 [pid 5546] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5545] <... mmap resumed>) = 0x7ff12c95c000 [pid 5542] <... futex resumed>) = 0 [pid 5549] <... openat resumed>) = 3 [pid 5548] close(3 [pid 5547] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5545] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5542] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5549] write(3, "1000", 4 [pid 5548] <... close resumed>) = 0 [pid 5547] <... futex resumed>) = 0 [pid 5546] <... mmap resumed>) = 0x7ff12c95c000 [pid 5545] <... mprotect resumed>) = 0 [pid 5542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5549] <... write resumed>) = 4 [pid 5548] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5547] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5546] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5542] exit_group(0 [pid 5549] close(3 [pid 5548] <... futex resumed>) = 0 [pid 5547] <... futex resumed>) = ? [pid 5545] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5542] <... exit_group resumed>) = ? [pid 5546] <... mprotect resumed>) = 0 [pid 5549] <... close resumed>) = 0 [pid 5548] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5547] +++ exited with 0 +++ [pid 5546] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5545] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5542] +++ exited with 0 +++ [pid 5549] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5548] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5546] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5545] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5550 attached [pid 5549] <... futex resumed>) = 0 [pid 5548] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5546] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5542, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5551 attached [pid 5550] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5549] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5545] <... clone3 resumed> => {parent_tid=[5550]}, 88) = 5550 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5552 attached [pid 5551] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5550] <... rseq resumed>) = 0 [pid 5549] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5546] <... clone3 resumed> => {parent_tid=[5551]}, 88) = 5551 [pid 5545] rt_sigprocmask(SIG_SETMASK, [], [pid 5552] set_robust_list(0x555581d606a0, 24 [pid 5551] <... rseq resumed>) = 0 [pid 5550] set_robust_list(0x7ff12c97c9a0, 24 [pid 5549] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5548] <... mmap resumed>) = 0x7ff12c95c000 [pid 5546] rt_sigprocmask(SIG_SETMASK, [], [pid 5545] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5552] <... set_robust_list resumed>) = 0 [pid 5550] <... set_robust_list resumed>) = 0 [pid 5549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5548] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5546] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5545] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] set_robust_list(0x7ff12c97c9a0, 24 [pid 5552] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5551] <... set_robust_list resumed>) = 0 [pid 5550] rt_sigprocmask(SIG_SETMASK, [], [pid 5549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5548] <... mprotect resumed>) = 0 [pid 5546] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] <... futex resumed>) = 0 [pid 5552] <... prctl resumed>) = 0 [pid 5551] rt_sigprocmask(SIG_SETMASK, [], [pid 5550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5549] <... mmap resumed>) = 0x7ff12c95c000 [pid 5551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5548] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5546] <... futex resumed>) = 0 [pid 5545] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5552 [pid 5552] setpgid(0, 0 [pid 5551] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5550] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5549] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5548] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5546] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5552] <... setpgid resumed>) = 0 [pid 5551] <... openat resumed>) = 3 [pid 5550] <... openat resumed>) = 3 [pid 5549] <... mprotect resumed>) = 0 [pid 5548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5553 attached [pid 5551] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5552] <... openat resumed>) = 3 [pid 5550] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5549] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5548] <... clone3 resumed> => {parent_tid=[5553]}, 88) = 5553 [pid 5552] write(3, "1000", 4 [pid 5550] <... futex resumed>) = 1 [pid 5549] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5548] rt_sigprocmask(SIG_SETMASK, [], [pid 5545] <... futex resumed>) = 0 [pid 5552] <... write resumed>) = 4 [pid 5550] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5549] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5545] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] close(3 [pid 5550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5554 attached [pid 5553] <... rseq resumed>) = 0 [pid 5552] <... close resumed>) = 0 [pid 5551] <... futex resumed>) = 1 [pid 5550] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5548] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] <... futex resumed>) = 0 [pid 5545] <... futex resumed>) = 0 [pid 5554] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5553] set_robust_list(0x7ff12c97c9a0, 24 [pid 5551] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5550] <... ioctl resumed>) = 0 [pid 5554] <... rseq resumed>) = 0 [pid 5553] <... set_robust_list resumed>) = 0 [pid 5552] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5550] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5549] <... clone3 resumed> => {parent_tid=[5554]}, 88) = 5554 [pid 5548] <... futex resumed>) = 0 [pid 5546] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5554] set_robust_list(0x7ff12c97c9a0, 24 [pid 5553] rt_sigprocmask(SIG_SETMASK, [], [pid 5552] <... futex resumed>) = 0 [pid 5551] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5550] <... futex resumed>) = 0 [pid 5549] rt_sigprocmask(SIG_SETMASK, [], [pid 5548] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5546] <... futex resumed>) = 0 [pid 5545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5554] <... set_robust_list resumed>) = 0 [pid 5553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5552] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5551] <... ioctl resumed>) = 0 [pid 5550] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5546] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5545] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] rt_sigprocmask(SIG_SETMASK, [], [pid 5553] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5552] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5551] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5549] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5545] <... futex resumed>) = 0 [pid 5554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5553] <... openat resumed>) = 3 [pid 5552] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5551] <... futex resumed>) = 0 [pid 5550] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5549] <... futex resumed>) = 0 [pid 5546] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5554] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5553] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5551] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5550] <... ioctl resumed>) = 0 [pid 5549] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5546] <... futex resumed>) = 0 [pid 5554] <... openat resumed>) = 3 [pid 5553] <... futex resumed>) = 1 [pid 5552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5551] <... ioctl resumed>) = 0 [pid 5550] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5548] <... futex resumed>) = 0 [pid 5546] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5554] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5552] <... mmap resumed>) = 0x7ff12c95c000 [pid 5551] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5550] <... futex resumed>) = 1 [pid 5548] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5545] <... futex resumed>) = 0 [pid 5554] <... futex resumed>) = 1 [pid 5553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5552] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5551] <... futex resumed>) = 0 [pid 5550] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5549] <... futex resumed>) = 0 [pid 5548] <... futex resumed>) = 0 [pid 5546] exit_group(0 [pid 5545] exit_group(0 [pid 5554] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5553] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5552] <... mprotect resumed>) = 0 [pid 5550] <... futex resumed>) = ? [pid 5549] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5548] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5546] <... exit_group resumed>) = ? [pid 5545] <... exit_group resumed>) = ? [pid 5554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5553] <... ioctl resumed>) = 0 [pid 5552] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5551] +++ exited with 0 +++ [pid 5550] +++ exited with 0 +++ [pid 5549] <... futex resumed>) = 0 [pid 5553] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5548] <... futex resumed>) = 0 [pid 5553] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5548] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] <... ioctl resumed>) = 0 [pid 5548] <... futex resumed>) = 0 [pid 5553] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5548] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5553] <... futex resumed>) = 0 [pid 5548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5553] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5548] exit_group(0 [pid 5545] +++ exited with 0 +++ [pid 5554] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5553] <... futex resumed>) = ? [pid 5552] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5549] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5548] <... exit_group resumed>) = ? [pid 5554] <... ioctl resumed>) = 0 [pid 5553] +++ exited with 0 +++ [pid 5552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5548] +++ exited with 0 +++ [pid 5546] +++ exited with 0 +++ [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5545, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5555 attached [pid 5554] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5546, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5548, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5555] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5554] <... futex resumed>) = 1 [pid 5552] <... clone3 resumed> => {parent_tid=[5555]}, 88) = 5555 [pid 5549] <... futex resumed>) = 0 [pid 5555] <... rseq resumed>) = 0 [pid 5554] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5552] rt_sigprocmask(SIG_SETMASK, [], [pid 5549] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] set_robust_list(0x7ff12c97c9a0, 24 [pid 5554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5549] <... futex resumed>) = 0 [pid 5555] <... set_robust_list resumed>) = 0 [pid 5554] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5552] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5549] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5555] rt_sigprocmask(SIG_SETMASK, [], [pid 5554] <... ioctl resumed>) = 0 [pid 5555] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5552] <... futex resumed>) = 0 [pid 5554] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5555] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5554] <... futex resumed>) = 1 [pid 5549] <... futex resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5556 attached [pid 5555] <... openat resumed>) = 3 [pid 5554] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5549] exit_group(0 [pid 5556] set_robust_list(0x555581d606a0, 24 [pid 5555] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] <... futex resumed>) = ? [pid 5549] <... exit_group resumed>) = ? [pid 5556] <... set_robust_list resumed>) = 0 [pid 5554] +++ exited with 0 +++ [pid 5552] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5557 attached [pid 5556] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5555] <... futex resumed>) = 1 [pid 5552] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5549] +++ exited with 0 +++ [pid 5556] <... prctl resumed>) = 0 [pid 5555] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5552] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5558 attached [pid 5557] set_robust_list(0x555581d606a0, 24 [pid 5556] setpgid(0, 0 [pid 5555] <... ioctl resumed>) = 0 [pid 5552] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5556 [pid 5558] set_robust_list(0x555581d606a0, 24 [pid 5557] <... set_robust_list resumed>) = 0 [pid 5556] <... setpgid resumed>) = 0 [pid 5555] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5558] <... set_robust_list resumed>) = 0 [pid 5557] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5555] <... futex resumed>) = 1 [pid 5552] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5558 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5557 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5549, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5558] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5557] <... prctl resumed>) = 0 [pid 5556] <... openat resumed>) = 3 [pid 5555] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5552] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5558] <... prctl resumed>) = 0 [pid 5557] setpgid(0, 0 [pid 5556] write(3, "1000", 4 [pid 5552] <... futex resumed>) = 0 [pid 5555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5555] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5558] setpgid(0, 0 [pid 5557] <... setpgid resumed>) = 0 [pid 5556] <... write resumed>) = 4 [pid 5555] <... ioctl resumed>) = 0 [pid 5552] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5559 attached [pid 5558] <... setpgid resumed>) = 0 [pid 5557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5556] close(3 [pid 5555] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5559] set_robust_list(0x555581d606a0, 24 [pid 5556] <... close resumed>) = 0 [pid 5555] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5559 [pid 5559] <... set_robust_list resumed>) = 0 [pid 5558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5557] <... openat resumed>) = 3 [pid 5556] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5552] exit_group(0 [pid 5559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5559] setpgid(0, 0 [pid 5558] <... openat resumed>) = 3 [pid 5556] <... futex resumed>) = 0 [pid 5555] <... futex resumed>) = ? [pid 5552] <... exit_group resumed>) = ? [pid 5559] <... setpgid resumed>) = 0 [pid 5556] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5555] +++ exited with 0 +++ [pid 5559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5557] write(3, "1000", 4 [pid 5556] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5557] <... write resumed>) = 4 [pid 5556] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5559] <... openat resumed>) = 3 [pid 5558] write(3, "1000", 4 [pid 5557] close(3 [pid 5556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5557] <... close resumed>) = 0 [pid 5556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5559] write(3, "1000", 4) = 4 [pid 5559] close(3) = 0 [pid 5558] <... write resumed>) = 4 [pid 5557] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5556] <... mmap resumed>) = 0x7ff12c95c000 [pid 5552] +++ exited with 0 +++ [pid 5559] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5558] close(3 [pid 5557] <... futex resumed>) = 0 [pid 5556] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5552, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5559] <... futex resumed>) = 0 [pid 5558] <... close resumed>) = 0 [pid 5557] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5556] <... mprotect resumed>) = 0 [pid 5559] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5558] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5556] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5559] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5558] <... futex resumed>) = 0 [pid 5557] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5556] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5558] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5558] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5557] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5556] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5559] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5560 attached NULL, 8) = 0 [pid 5558] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5557] <... mmap resumed>) = 0x7ff12c95c000 ./strace-static-x86_64: Process 5561 attached [pid 5558] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5557] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5560 [pid 5561] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5561] <... rseq resumed>) = 0 [pid 5560] set_robust_list(0x555581d606a0, 24 [pid 5559] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5558] <... mmap resumed>) = 0x7ff12c95c000 [pid 5557] <... mprotect resumed>) = 0 [pid 5556] <... clone3 resumed> => {parent_tid=[5561]}, 88) = 5561 [pid 5561] set_robust_list(0x7ff12c97c9a0, 24 [pid 5560] <... set_robust_list resumed>) = 0 [pid 5559] <... mmap resumed>) = 0x7ff12c95c000 [pid 5558] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5557] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5556] rt_sigprocmask(SIG_SETMASK, [], [pid 5561] <... set_robust_list resumed>) = 0 [pid 5560] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5559] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5558] <... mprotect resumed>) = 0 [pid 5557] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5561] rt_sigprocmask(SIG_SETMASK, [], [pid 5560] <... prctl resumed>) = 0 [pid 5559] <... mprotect resumed>) = 0 [pid 5558] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5557] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5556] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5560] setpgid(0, 0 [pid 5559] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5558] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5562 attached [pid 5561] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5560] <... setpgid resumed>) = 0 [pid 5559] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5558] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5556] <... futex resumed>) = 0 [pid 5562] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5561] <... openat resumed>) = 3 [pid 5560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5559] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5564 attached ./strace-static-x86_64: Process 5563 attached [pid 5562] <... rseq resumed>) = 0 [pid 5561] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] <... openat resumed>) = 3 [pid 5557] <... clone3 resumed> => {parent_tid=[5562]}, 88) = 5562 [pid 5556] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5564] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5563] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5562] set_robust_list(0x7ff12c97c9a0, 24 [pid 5561] <... futex resumed>) = 0 [pid 5559] <... clone3 resumed> => {parent_tid=[5564]}, 88) = 5564 [pid 5558] <... clone3 resumed> => {parent_tid=[5563]}, 88) = 5563 [pid 5557] rt_sigprocmask(SIG_SETMASK, [], [pid 5556] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5564] <... rseq resumed>) = 0 [pid 5563] <... rseq resumed>) = 0 [pid 5562] <... set_robust_list resumed>) = 0 [pid 5560] write(3, "1000", 4 [pid 5559] rt_sigprocmask(SIG_SETMASK, [], [pid 5564] set_robust_list(0x7ff12c97c9a0, 24 [pid 5563] set_robust_list(0x7ff12c97c9a0, 24 [pid 5561] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5558] rt_sigprocmask(SIG_SETMASK, [], [pid 5557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5556] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5562] rt_sigprocmask(SIG_SETMASK, [], [pid 5564] <... set_robust_list resumed>) = 0 [pid 5562] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5558] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5557] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5556] <... futex resumed>) = 0 [pid 5564] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5563] <... set_robust_list resumed>) = 0 [pid 5562] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5561] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5560] <... write resumed>) = 4 [pid 5559] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5558] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] <... futex resumed>) = 0 [pid 5556] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5564] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5563] rt_sigprocmask(SIG_SETMASK, [], [pid 5562] <... openat resumed>) = 3 [pid 5561] <... ioctl resumed>) = 0 [pid 5560] close(3 [pid 5559] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5558] <... futex resumed>) = 0 [pid 5557] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5563] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5562] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] <... close resumed>) = 0 [pid 5559] <... futex resumed>) = 0 [pid 5558] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5564] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5563] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5562] <... futex resumed>) = 0 [pid 5561] <... futex resumed>) = 1 [pid 5560] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5559] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5557] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5556] <... futex resumed>) = 0 [pid 5564] <... openat resumed>) = 3 [pid 5563] <... openat resumed>) = 3 [pid 5562] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5561] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5560] <... futex resumed>) = 0 [pid 5557] <... futex resumed>) = 0 [pid 5556] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5564] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5563] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5562] <... ioctl resumed>) = 0 [pid 5561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5560] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5557] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5556] <... futex resumed>) = 0 [pid 5564] <... futex resumed>) = 1 [pid 5563] <... futex resumed>) = 1 [pid 5562] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5560] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5559] <... futex resumed>) = 0 [pid 5558] <... futex resumed>) = 0 [pid 5557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5556] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5564] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5563] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5562] <... futex resumed>) = 0 [pid 5561] <... ioctl resumed>) = 0 [pid 5560] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5559] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5558] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5563] <... ioctl resumed>) = 0 [pid 5562] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5561] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5559] <... futex resumed>) = 0 [pid 5558] <... futex resumed>) = 0 [pid 5557] <... futex resumed>) = 0 [pid 5564] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5559] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5557] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5564] <... ioctl resumed>) = 0 [pid 5563] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5562] <... ioctl resumed>) = 0 [pid 5561] <... futex resumed>) = 1 [pid 5560] <... mmap resumed>) = 0x7ff12c95c000 [pid 5558] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5556] <... futex resumed>) = 0 [pid 5564] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5563] <... futex resumed>) = 0 [pid 5562] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5560] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5556] exit_group(0 [pid 5564] <... futex resumed>) = 1 [pid 5563] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5562] <... futex resumed>) = 1 [pid 5561] <... futex resumed>) = ? [pid 5560] <... mprotect resumed>) = 0 [pid 5559] <... futex resumed>) = 0 [pid 5558] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] <... futex resumed>) = 0 [pid 5556] <... exit_group resumed>) = ? [pid 5563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5560] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5559] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5563] ioctl(3, SNDRV_TIMER_IOCTL_START, 0) = 0 [pid 5559] <... futex resumed>) = 0 [pid 5559] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5563] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5560] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5563] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5560] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5565 attached [pid 5565] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5560] <... clone3 resumed> => {parent_tid=[5565]}, 88) = 5565 [pid 5565] <... rseq resumed>) = 0 [pid 5560] rt_sigprocmask(SIG_SETMASK, [], [pid 5565] set_robust_list(0x7ff12c97c9a0, 24 [pid 5560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5565] <... set_robust_list resumed>) = 0 [pid 5560] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5565] rt_sigprocmask(SIG_SETMASK, [], [pid 5560] <... futex resumed>) = 0 [pid 5565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5565] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5560] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5565] <... openat resumed>) = 3 [pid 5564] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5561] +++ exited with 0 +++ [pid 5562] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5558] <... futex resumed>) = 1 [pid 5557] exit_group(0 [pid 5563] <... futex resumed>) = 0 [pid 5565] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5563] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5565] <... futex resumed>) = 1 [pid 5560] <... futex resumed>) = 0 [pid 5565] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5560] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5560] <... futex resumed>) = 0 [pid 5565] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5560] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5565] <... ioctl resumed>) = 0 [pid 5565] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5564] <... ioctl resumed>) = 0 [pid 5562] <... futex resumed>) = ? [pid 5558] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5557] <... exit_group resumed>) = ? [pid 5556] +++ exited with 0 +++ [pid 5565] <... futex resumed>) = 1 [pid 5564] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] <... futex resumed>) = 0 [pid 5558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5556, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5558] exit_group(0) = ? [pid 5565] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5564] <... futex resumed>) = 1 [pid 5563] <... futex resumed>) = ? [pid 5560] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5559] <... futex resumed>) = 0 [pid 5565] <... ioctl resumed>) = 0 [pid 5560] <... futex resumed>) = 0 [pid 5559] exit_group(0 [pid 5565] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5559] <... exit_group resumed>) = ? [pid 5565] <... futex resumed>) = 0 [pid 5564] +++ exited with 0 +++ [pid 5565] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5563] +++ exited with 0 +++ [pid 5562] +++ exited with 0 +++ [pid 5560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5559] +++ exited with 0 +++ [pid 5558] +++ exited with 0 +++ [pid 5557] +++ exited with 0 +++ [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5560] exit_group(0 [pid 5565] <... futex resumed>) = ? [pid 5560] <... exit_group resumed>) = ? [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5557, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5566 attached [pid 5565] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5558, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5559, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5567 attached [pid 5566] set_robust_list(0x555581d606a0, 24 [pid 5560] +++ exited with 0 +++ [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5560, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5567] set_robust_list(0x555581d606a0, 24 [pid 5566] <... set_robust_list resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5567 [pid 5066] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5568 attached [pid 5567] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5569 attached [pid 5568] set_robust_list(0x555581d606a0, 24 [pid 5567] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5566] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5066] <... restart_syscall resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5566 [pid 5569] set_robust_list(0x555581d606a0, 24 [pid 5568] <... set_robust_list resumed>) = 0 [pid 5567] <... prctl resumed>) = 0 [pid 5566] <... prctl resumed>) = 0 [pid 5569] <... set_robust_list resumed>) = 0 [pid 5567] setpgid(0, 0 [pid 5566] setpgid(0, 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5568 [pid 5569] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5568] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5567] <... setpgid resumed>) = 0 [pid 5566] <... setpgid resumed>) = 0 [pid 5569] <... prctl resumed>) = 0 [pid 5568] <... prctl resumed>) = 0 [pid 5567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5570 attached [pid 5569] setpgid(0, 0 [pid 5568] setpgid(0, 0 [pid 5567] <... openat resumed>) = 3 [pid 5566] <... openat resumed>) = 3 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5569 [pid 5570] set_robust_list(0x555581d606a0, 24 [pid 5569] <... setpgid resumed>) = 0 [pid 5568] <... setpgid resumed>) = 0 [pid 5567] write(3, "1000", 4 [pid 5566] write(3, "1000", 4 [pid 5570] <... set_robust_list resumed>) = 0 [pid 5569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5567] <... write resumed>) = 4 [pid 5566] <... write resumed>) = 4 [pid 5570] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5566] close(3 [pid 5567] close(3 [pid 5566] <... close resumed>) = 0 [pid 5567] <... close resumed>) = 0 [pid 5567] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5569] <... openat resumed>) = 3 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5570 [pid 5570] <... prctl resumed>) = 0 [pid 5569] write(3, "1000", 4 [pid 5568] <... openat resumed>) = 3 [pid 5567] <... futex resumed>) = 0 [pid 5566] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5570] setpgid(0, 0 [pid 5569] <... write resumed>) = 4 [pid 5568] write(3, "1000", 4 [pid 5567] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5566] <... futex resumed>) = 0 [pid 5570] <... setpgid resumed>) = 0 [pid 5569] close(3 [pid 5568] <... write resumed>) = 4 [pid 5567] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5566] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5569] <... close resumed>) = 0 [pid 5568] close(3 [pid 5567] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5566] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5570] <... openat resumed>) = 3 [pid 5569] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5568] <... close resumed>) = 0 [pid 5567] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5566] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5570] write(3, "1000", 4 [pid 5568] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5567] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5566] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5570] <... write resumed>) = 4 [pid 5568] <... futex resumed>) = 0 [pid 5566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5569] <... futex resumed>) = 0 [pid 5569] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5567] <... mmap resumed>) = 0x7ff12c95c000 [pid 5570] close(3 [pid 5569] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5568] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5566] <... mmap resumed>) = 0x7ff12c95c000 [pid 5567] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5570] <... close resumed>) = 0 [pid 5568] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5570] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5568] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5567] <... mprotect resumed>) = 0 [pid 5566] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5570] <... futex resumed>) = 0 [pid 5569] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5568] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5566] <... mprotect resumed>) = 0 [pid 5570] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5569] <... mmap resumed>) = 0x7ff12c95c000 [pid 5568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5567] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5570] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5569] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5568] <... mmap resumed>) = 0x7ff12c95c000 [pid 5567] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5566] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5570] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5569] <... mprotect resumed>) = 0 [pid 5568] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5567] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5566] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5569] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5571 attached [pid 5570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5569] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5568] <... mprotect resumed>) = 0 [pid 5566] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5571] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5570] <... mmap resumed>) = 0x7ff12c95c000 [pid 5569] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5573 attached ./strace-static-x86_64: Process 5572 attached [pid 5571] <... rseq resumed>) = 0 [pid 5570] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5568] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5567] <... clone3 resumed> => {parent_tid=[5571]}, 88) = 5571 [pid 5566] <... clone3 resumed> => {parent_tid=[5572]}, 88) = 5572 [pid 5573] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5572] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5571] set_robust_list(0x7ff12c97c9a0, 24 [pid 5570] <... mprotect resumed>) = 0 [pid 5568] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5567] rt_sigprocmask(SIG_SETMASK, [], [pid 5566] rt_sigprocmask(SIG_SETMASK, [], [pid 5573] <... rseq resumed>) = 0 [pid 5572] <... rseq resumed>) = 0 [pid 5568] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5567] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5566] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5570] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5567] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5574 attached [pid 5573] set_robust_list(0x7ff12c97c9a0, 24 [pid 5572] set_robust_list(0x7ff12c97c9a0, 24 [pid 5571] <... set_robust_list resumed>) = 0 [pid 5570] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5569] <... clone3 resumed> => {parent_tid=[5573]}, 88) = 5573 [pid 5567] <... futex resumed>) = 0 [pid 5566] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5574] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5573] <... set_robust_list resumed>) = 0 [pid 5572] <... set_robust_list resumed>) = 0 [pid 5571] rt_sigprocmask(SIG_SETMASK, [], [pid 5570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5569] rt_sigprocmask(SIG_SETMASK, [], [pid 5568] <... clone3 resumed> => {parent_tid=[5574]}, 88) = 5574 [pid 5567] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5566] <... futex resumed>) = 0 [pid 5574] <... rseq resumed>) = 0 [pid 5573] rt_sigprocmask(SIG_SETMASK, [], [pid 5572] rt_sigprocmask(SIG_SETMASK, [], [pid 5571] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5569] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5575 attached [pid 5574] set_robust_list(0x7ff12c97c9a0, 24 [pid 5573] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5571] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5569] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5568] rt_sigprocmask(SIG_SETMASK, [], [pid 5566] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5575] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5574] <... set_robust_list resumed>) = 0 [pid 5573] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5572] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5571] <... openat resumed>) = 3 [pid 5570] <... clone3 resumed> => {parent_tid=[5575]}, 88) = 5575 [pid 5569] <... futex resumed>) = 0 [pid 5568] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5575] <... rseq resumed>) = 0 [pid 5574] rt_sigprocmask(SIG_SETMASK, [], [pid 5572] <... openat resumed>) = 3 [pid 5571] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5570] rt_sigprocmask(SIG_SETMASK, [], [pid 5569] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5575] set_robust_list(0x7ff12c97c9a0, 24 [pid 5574] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5573] <... openat resumed>) = 3 [pid 5572] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5571] <... futex resumed>) = 1 [pid 5570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5568] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5567] <... futex resumed>) = 0 [pid 5575] <... set_robust_list resumed>) = 0 [pid 5574] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5573] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5572] <... futex resumed>) = 1 [pid 5571] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5570] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5568] <... futex resumed>) = 0 [pid 5567] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] <... futex resumed>) = 0 [pid 5575] rt_sigprocmask(SIG_SETMASK, [], [pid 5574] <... openat resumed>) = 3 [pid 5573] <... futex resumed>) = 1 [pid 5572] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5570] <... futex resumed>) = 0 [pid 5569] <... futex resumed>) = 0 [pid 5568] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5567] <... futex resumed>) = 0 [pid 5566] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5575] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5574] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5571] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5570] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5569] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5567] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5566] <... futex resumed>) = 0 [pid 5575] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5574] <... futex resumed>) = 0 [pid 5573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5572] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5571] <... ioctl resumed>) = 0 [pid 5569] <... futex resumed>) = 0 [pid 5568] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5575] <... openat resumed>) = 3 [pid 5574] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5573] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5572] <... ioctl resumed>) = 0 [pid 5571] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5569] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5575] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5574] <... ioctl resumed>) = 0 [pid 5573] <... ioctl resumed>) = 0 [pid 5572] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5571] <... futex resumed>) = 1 [pid 5568] <... futex resumed>) = 0 [pid 5567] <... futex resumed>) = 0 [pid 5575] <... futex resumed>) = 1 [pid 5574] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5572] <... futex resumed>) = 1 [pid 5571] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5570] <... futex resumed>) = 0 [pid 5568] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5567] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] <... futex resumed>) = 0 [pid 5575] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5574] <... futex resumed>) = 0 [pid 5571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5567] <... futex resumed>) = 0 [pid 5571] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5567] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5571] <... ioctl resumed>) = 0 [pid 5571] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5567] <... futex resumed>) = 0 [pid 5571] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5567] exit_group(0 [pid 5571] <... futex resumed>) = ? [pid 5567] <... exit_group resumed>) = ? [pid 5573] <... futex resumed>) = 1 [pid 5570] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5569] <... futex resumed>) = 0 [pid 5575] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5574] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5573] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5572] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5571] +++ exited with 0 +++ [pid 5570] <... futex resumed>) = 0 [pid 5569] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5567] +++ exited with 0 +++ [pid 5566] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5569] <... futex resumed>) = 0 [pid 5568] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] <... futex resumed>) = 0 [pid 5569] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5568] <... futex resumed>) = 1 [pid 5574] <... futex resumed>) = 0 [pid 5566] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5575] <... ioctl resumed>) = 0 [pid 5574] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5570] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5568] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5567, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5574] <... ioctl resumed>) = 0 [pid 5573] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5572] ioctl(3, SNDRV_TIMER_IOCTL_START, 0./strace-static-x86_64: Process 5576 attached [pid 5575] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5574] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] <... ioctl resumed>) = 0 [pid 5572] <... ioctl resumed>) = 0 [pid 5576] set_robust_list(0x555581d606a0, 24 [pid 5572] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5576] <... set_robust_list resumed>) = 0 [pid 5572] <... futex resumed>) = 1 [pid 5566] <... futex resumed>) = 0 [pid 5576] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5575] <... futex resumed>) = 1 [pid 5574] <... futex resumed>) = 1 [pid 5573] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5572] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5570] <... futex resumed>) = 0 [pid 5568] <... futex resumed>) = 0 [pid 5566] exit_group(0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5576 [pid 5576] <... prctl resumed>) = 0 [pid 5575] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5574] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5572] <... futex resumed>) = ? [pid 5570] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5568] exit_group(0 [pid 5566] <... exit_group resumed>) = ? [pid 5576] setpgid(0, 0 [pid 5570] <... futex resumed>) = 0 [pid 5568] <... exit_group resumed>) = ? [pid 5576] <... setpgid resumed>) = 0 [pid 5575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5574] <... futex resumed>) = ? [pid 5573] <... futex resumed>) = 1 [pid 5570] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5569] <... futex resumed>) = 0 [pid 5576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5575] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5574] +++ exited with 0 +++ [pid 5573] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5572] +++ exited with 0 +++ [pid 5569] exit_group(0 [pid 5568] +++ exited with 0 +++ [pid 5566] +++ exited with 0 +++ [pid 5576] <... openat resumed>) = 3 [pid 5575] <... ioctl resumed>) = 0 [pid 5573] <... futex resumed>) = ? [pid 5569] <... exit_group resumed>) = ? [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5568, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5576] write(3, "1000", 4 [pid 5575] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] +++ exited with 0 +++ [pid 5569] +++ exited with 0 +++ [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5566, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5576] <... write resumed>) = 4 [pid 5575] <... futex resumed>) = 1 [pid 5570] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5569, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5575] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5570] exit_group(0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5576] close(3 [pid 5575] <... futex resumed>) = ? [pid 5570] <... exit_group resumed>) = ? [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5576] <... close resumed>) = 0 [pid 5575] +++ exited with 0 +++ [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5578 attached ./strace-static-x86_64: Process 5577 attached [pid 5576] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5570] +++ exited with 0 +++ [pid 5577] set_robust_list(0x555581d606a0, 24 [pid 5576] <... futex resumed>) = 0 [pid 5578] set_robust_list(0x555581d606a0, 24 [pid 5577] <... set_robust_list resumed>) = 0 [pid 5576] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5570, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5578 [pid 5576] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5578] <... set_robust_list resumed>) = 0 [pid 5577] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5576] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5578] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5577] <... prctl resumed>) = 0 [pid 5576] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5577 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5579 attached ./strace-static-x86_64: Process 5580 attached [pid 5578] <... prctl resumed>) = 0 [pid 5577] setpgid(0, 0 [pid 5576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5580] set_robust_list(0x555581d606a0, 24 [pid 5579] set_robust_list(0x555581d606a0, 24 [pid 5578] setpgid(0, 0 [pid 5577] <... setpgid resumed>) = 0 [pid 5576] <... mmap resumed>) = 0x7ff12c95c000 [pid 5580] <... set_robust_list resumed>) = 0 [pid 5579] <... set_robust_list resumed>) = 0 [pid 5578] <... setpgid resumed>) = 0 [pid 5576] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5579 [pid 5576] <... mprotect resumed>) = 0 [pid 5576] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5576] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5579] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5576] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5580 ./strace-static-x86_64: Process 5581 attached [pid 5580] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5579] <... prctl resumed>) = 0 [pid 5577] <... openat resumed>) = 3 [pid 5580] <... prctl resumed>) = 0 [pid 5579] setpgid(0, 0 [pid 5578] <... openat resumed>) = 3 [pid 5577] write(3, "1000", 4 [pid 5576] <... clone3 resumed> => {parent_tid=[5581]}, 88) = 5581 [pid 5580] setpgid(0, 0 [pid 5579] <... setpgid resumed>) = 0 [pid 5578] write(3, "1000", 4 [pid 5577] <... write resumed>) = 4 [pid 5576] rt_sigprocmask(SIG_SETMASK, [], [pid 5580] <... setpgid resumed>) = 0 [pid 5578] <... write resumed>) = 4 [pid 5577] close(3 [pid 5578] close(3 [pid 5576] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5578] <... close resumed>) = 0 [pid 5581] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5578] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5577] <... close resumed>) = 0 [pid 5576] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5581] <... rseq resumed>) = 0 [pid 5578] <... futex resumed>) = 0 [pid 5581] set_robust_list(0x7ff12c97c9a0, 24 [pid 5580] <... openat resumed>) = 3 [pid 5579] <... openat resumed>) = 3 [pid 5578] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5577] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5576] <... futex resumed>) = 0 [pid 5581] <... set_robust_list resumed>) = 0 [pid 5580] write(3, "1000", 4 [pid 5579] write(3, "1000", 4 [pid 5578] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5577] <... futex resumed>) = 0 [pid 5576] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5581] rt_sigprocmask(SIG_SETMASK, [], [pid 5580] <... write resumed>) = 4 [pid 5579] <... write resumed>) = 4 [pid 5578] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5577] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5581] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5580] close(3 [pid 5579] close(3 [pid 5578] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5577] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5581] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5580] <... close resumed>) = 0 [pid 5579] <... close resumed>) = 0 [pid 5578] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5577] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5581] <... openat resumed>) = 3 [pid 5580] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5578] <... mmap resumed>) = 0x7ff12c95c000 [pid 5577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5581] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] <... futex resumed>) = 0 [pid 5579] <... futex resumed>) = 0 [pid 5578] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5581] <... futex resumed>) = 1 [pid 5579] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5576] <... futex resumed>) = 0 [pid 5581] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5580] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5579] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5578] <... mprotect resumed>) = 0 [pid 5577] <... mmap resumed>) = 0x7ff12c95c000 [pid 5576] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5580] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5579] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5578] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5577] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5581] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5580] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5578] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5577] <... mprotect resumed>) = 0 [pid 5576] <... futex resumed>) = 0 [pid 5581] <... ioctl resumed>) = 0 [pid 5580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5578] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5577] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5576] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5582 attached [pid 5581] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5579] <... mmap resumed>) = 0x7ff12c95c000 [pid 5577] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5581] <... futex resumed>) = 1 [pid 5580] <... mmap resumed>) = 0x7ff12c95c000 [pid 5582] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5579] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5578] <... clone3 resumed> => {parent_tid=[5582]}, 88) = 5582 [pid 5577] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5576] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5583 attached [pid 5582] <... rseq resumed>) = 0 [pid 5581] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5580] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5579] <... mprotect resumed>) = 0 [pid 5578] rt_sigprocmask(SIG_SETMASK, [], [pid 5576] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5583] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5582] set_robust_list(0x7ff12c97c9a0, 24 [pid 5581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5580] <... mprotect resumed>) = 0 [pid 5578] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5576] <... futex resumed>) = 0 [pid 5583] <... rseq resumed>) = 0 [pid 5582] <... set_robust_list resumed>) = 0 [pid 5581] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5580] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5579] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5578] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5577] <... clone3 resumed> => {parent_tid=[5583]}, 88) = 5583 [pid 5576] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5583] set_robust_list(0x7ff12c97c9a0, 24 [pid 5582] rt_sigprocmask(SIG_SETMASK, [], [pid 5581] <... ioctl resumed>) = 0 [pid 5580] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5579] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5578] <... futex resumed>) = 0 [pid 5577] rt_sigprocmask(SIG_SETMASK, [], [pid 5583] <... set_robust_list resumed>) = 0 [pid 5582] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5581] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5579] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5578] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5583] rt_sigprocmask(SIG_SETMASK, [], [pid 5581] <... futex resumed>) = 1 [pid 5576] <... futex resumed>) = 0 [pid 5583] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5582] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5581] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5576] exit_group(0./strace-static-x86_64: Process 5585 attached ./strace-static-x86_64: Process 5584 attached [pid 5583] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5582] <... openat resumed>) = 3 [pid 5581] <... futex resumed>) = ? [pid 5580] <... clone3 resumed> => {parent_tid=[5584]}, 88) = 5584 [pid 5577] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5576] <... exit_group resumed>) = ? [pid 5585] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5584] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5583] <... openat resumed>) = 3 [pid 5582] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5581] +++ exited with 0 +++ [pid 5580] rt_sigprocmask(SIG_SETMASK, [], [pid 5579] <... clone3 resumed> => {parent_tid=[5585]}, 88) = 5585 [pid 5577] <... futex resumed>) = 0 [pid 5584] <... rseq resumed>) = 0 [pid 5582] <... futex resumed>) = 1 [pid 5580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5579] rt_sigprocmask(SIG_SETMASK, [], [pid 5578] <... futex resumed>) = 0 [pid 5577] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5584] set_robust_list(0x7ff12c97c9a0, 24 [pid 5582] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5580] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5578] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] <... set_robust_list resumed>) = 0 [pid 5582] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5580] <... futex resumed>) = 0 [pid 5579] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5578] <... futex resumed>) = 0 [pid 5584] rt_sigprocmask(SIG_SETMASK, [], [pid 5582] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5580] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5579] <... futex resumed>) = 0 [pid 5578] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5582] <... ioctl resumed>) = 0 [pid 5579] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5585] <... rseq resumed>) = 0 [pid 5584] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5583] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5582] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5576] +++ exited with 0 +++ [pid 5585] set_robust_list(0x7ff12c97c9a0, 24 [pid 5584] <... openat resumed>) = 3 [pid 5583] <... futex resumed>) = 1 [pid 5582] <... futex resumed>) = 1 [pid 5578] <... futex resumed>) = 0 [pid 5577] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5576, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5585] <... set_robust_list resumed>) = 0 [pid 5584] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5583] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5582] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5578] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5577] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5585] rt_sigprocmask(SIG_SETMASK, [], [pid 5584] <... futex resumed>) = 1 [pid 5583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5582] <... ioctl resumed>) = 0 [pid 5580] <... futex resumed>) = 0 [pid 5578] <... futex resumed>) = 0 [pid 5577] <... futex resumed>) = 0 [pid 5585] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5584] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5583] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5582] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5578] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5577] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5585] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5583] <... ioctl resumed>) = 0 [pid 5582] <... futex resumed>) = 0 [pid 5580] <... futex resumed>) = 0 [pid 5578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5585] <... openat resumed>) = 3 [pid 5584] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5583] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5582] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5580] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5578] exit_group(0 [pid 5585] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] <... ioctl resumed>) = 0 [pid 5583] <... futex resumed>) = 1 [pid 5582] <... futex resumed>) = ? [pid 5578] <... exit_group resumed>) = ? [pid 5577] <... futex resumed>) = 0 [pid 5585] <... futex resumed>) = 1 [pid 5584] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5583] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5582] +++ exited with 0 +++ [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5585] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5578] +++ exited with 0 +++ [pid 5577] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5586 attached [pid 5584] <... futex resumed>) = 1 [pid 5583] <... futex resumed>) = 0 [pid 5580] <... futex resumed>) = 0 [pid 5579] <... futex resumed>) = 0 [pid 5577] <... futex resumed>) = 1 [pid 5584] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5583] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5580] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5577] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5578, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5583] <... ioctl resumed>) = 0 [pid 5580] <... futex resumed>) = 0 [pid 5579] <... futex resumed>) = 1 [pid 5583] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5579] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5584] <... ioctl resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5586 [pid 5583] <... futex resumed>) = 1 [pid 5577] <... futex resumed>) = 0 [pid 5584] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] set_robust_list(0x555581d606a0, 24 [pid 5585] <... futex resumed>) = 0 [pid 5584] <... futex resumed>) = 1 [pid 5580] <... futex resumed>) = 0 [pid 5577] exit_group(0 [pid 5586] <... set_robust_list resumed>) = 0 [pid 5585] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5586] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5585] <... ioctl resumed>) = 0 [pid 5580] exit_group(0 [pid 5586] <... prctl resumed>) = 0 [pid 5585] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] setpgid(0, 0 [pid 5585] <... futex resumed>) = 1 [pid 5580] <... exit_group resumed>) = ? [pid 5579] <... futex resumed>) = 0 [pid 5577] <... exit_group resumed>) = ? [pid 5586] <... setpgid resumed>) = 0 [pid 5585] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5584] +++ exited with 0 +++ [pid 5579] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5579] <... futex resumed>) = 0 [pid 5586] <... openat resumed>) = 3 [pid 5585] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5579] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5585] <... ioctl resumed>) = 0 [pid 5585] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5579] <... futex resumed>) = 0 [pid 5585] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5579] exit_group(0 [pid 5586] write(3, "1000", 4 [pid 5585] <... futex resumed>) = ? [pid 5579] <... exit_group resumed>) = ? [pid 5586] <... write resumed>) = 4 [pid 5585] +++ exited with 0 +++ [pid 5583] +++ exited with 0 +++ [pid 5580] +++ exited with 0 +++ [pid 5586] close(3 [pid 5579] +++ exited with 0 +++ [pid 5577] +++ exited with 0 +++ [pid 5586] <... close resumed>) = 0 [pid 5586] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5577, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5579, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5580, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5588 attached ./strace-static-x86_64: Process 5587 attached [pid 5586] <... futex resumed>) = 0 [pid 5066] <... restart_syscall resumed>) = 0 [pid 5586] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5586] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5588] set_robust_list(0x555581d606a0, 24 [pid 5586] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5588] <... set_robust_list resumed>) = 0 [pid 5587] set_robust_list(0x555581d606a0, 24 [pid 5586] <... mmap resumed>) = 0x7ff12c95c000 [pid 5586] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5588] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5587] <... set_robust_list resumed>) = 0 [pid 5586] <... mprotect resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5588 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5587 [pid 5586] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5586] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5589 attached [pid 5589] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5587] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5588] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5590 attached [pid 5589] <... rseq resumed>) = 0 [pid 5588] setpgid(0, 0 [pid 5587] <... prctl resumed>) = 0 [pid 5586] <... clone3 resumed> => {parent_tid=[5589]}, 88) = 5589 [pid 5590] set_robust_list(0x555581d606a0, 24 [pid 5589] set_robust_list(0x7ff12c97c9a0, 24 [pid 5588] <... setpgid resumed>) = 0 [pid 5587] setpgid(0, 0 [pid 5586] rt_sigprocmask(SIG_SETMASK, [], [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5590 [pid 5590] <... set_robust_list resumed>) = 0 [pid 5589] <... set_robust_list resumed>) = 0 [pid 5586] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5590] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5589] rt_sigprocmask(SIG_SETMASK, [], [pid 5587] <... setpgid resumed>) = 0 [pid 5586] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5586] <... futex resumed>) = 0 [pid 5590] <... prctl resumed>) = 0 [pid 5589] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5586] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5590] setpgid(0, 0 [pid 5589] <... openat resumed>) = 3 [pid 5587] <... openat resumed>) = 3 [pid 5589] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5591 attached [pid 5590] <... setpgid resumed>) = 0 [pid 5588] <... openat resumed>) = 3 [pid 5587] write(3, "1000", 4 [pid 5591] set_robust_list(0x555581d606a0, 24 [pid 5590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5589] <... futex resumed>) = 1 [pid 5588] write(3, "1000", 4 [pid 5587] <... write resumed>) = 4 [pid 5586] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5591 [pid 5591] <... set_robust_list resumed>) = 0 [pid 5588] <... write resumed>) = 4 [pid 5587] close(3 [pid 5586] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] close(3 [pid 5587] <... close resumed>) = 0 [pid 5588] <... close resumed>) = 0 [pid 5591] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5590] <... openat resumed>) = 3 [pid 5589] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5588] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] <... futex resumed>) = 0 [pid 5591] <... prctl resumed>) = 0 [pid 5590] write(3, "1000", 4 [pid 5588] <... futex resumed>) = 0 [pid 5587] <... futex resumed>) = 0 [pid 5586] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5591] setpgid(0, 0 [pid 5590] <... write resumed>) = 4 [pid 5589] <... ioctl resumed>) = 0 [pid 5588] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5587] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5591] <... setpgid resumed>) = 0 [pid 5590] close(3 [pid 5589] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5587] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5590] <... close resumed>) = 0 [pid 5589] <... futex resumed>) = 1 [pid 5588] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5587] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5586] <... futex resumed>) = 0 [pid 5590] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5586] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] <... futex resumed>) = 0 [pid 5589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5586] <... futex resumed>) = 0 [pid 5590] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5591] <... openat resumed>) = 3 [pid 5591] write(3, "1000", 4 [pid 5587] <... mmap resumed>) = 0x7ff12c95c000 [pid 5591] <... write resumed>) = 4 [pid 5590] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5588] <... mmap resumed>) = 0x7ff12c95c000 [pid 5587] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5586] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5591] close(3) = 0 [pid 5587] <... mprotect resumed>) = 0 [pid 5591] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5589] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5588] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5591] <... futex resumed>) = 0 [pid 5590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5591] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5591] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5588] <... mprotect resumed>) = 0 [pid 5591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5590] <... mmap resumed>) = 0x7ff12c95c000 [pid 5591] <... mmap resumed>) = 0x7ff12c95c000 [pid 5591] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5591] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5590] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5589] <... ioctl resumed>) = 0 [pid 5588] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5587] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5589] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5589] <... futex resumed>) = 1 [pid 5588] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5586] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5592 attached [pid 5591] <... clone3 resumed> => {parent_tid=[5592]}, 88) = 5592 [pid 5589] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5588] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5587] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5586] exit_group(0./strace-static-x86_64: Process 5594 attached ./strace-static-x86_64: Process 5593 attached [pid 5592] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5591] rt_sigprocmask(SIG_SETMASK, [], [pid 5590] <... mprotect resumed>) = 0 [pid 5594] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5593] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5592] <... rseq resumed>) = 0 [pid 5591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5589] <... futex resumed>) = ? [pid 5587] <... clone3 resumed> => {parent_tid=[5593]}, 88) = 5593 [pid 5586] <... exit_group resumed>) = ? [pid 5594] <... rseq resumed>) = 0 [pid 5593] <... rseq resumed>) = 0 [pid 5592] set_robust_list(0x7ff12c97c9a0, 24 [pid 5591] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5588] <... clone3 resumed> => {parent_tid=[5594]}, 88) = 5594 [pid 5587] rt_sigprocmask(SIG_SETMASK, [], [pid 5594] set_robust_list(0x7ff12c97c9a0, 24 [pid 5593] set_robust_list(0x7ff12c97c9a0, 24 [pid 5592] <... set_robust_list resumed>) = 0 [pid 5591] <... futex resumed>) = 0 [pid 5590] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5588] rt_sigprocmask(SIG_SETMASK, [], [pid 5587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5594] <... set_robust_list resumed>) = 0 [pid 5593] <... set_robust_list resumed>) = 0 [pid 5592] rt_sigprocmask(SIG_SETMASK, [], [pid 5591] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5590] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5587] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] rt_sigprocmask(SIG_SETMASK, [], [pid 5593] rt_sigprocmask(SIG_SETMASK, [], [pid 5592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5588] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5595 attached [pid 5594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5593] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5592] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5590] <... clone3 resumed> => {parent_tid=[5595]}, 88) = 5595 [pid 5588] <... futex resumed>) = 0 [pid 5595] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5594] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5593] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5592] <... openat resumed>) = 3 [pid 5590] rt_sigprocmask(SIG_SETMASK, [], [pid 5589] +++ exited with 0 +++ [pid 5588] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5587] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5586] +++ exited with 0 +++ [pid 5595] <... rseq resumed>) = 0 [pid 5594] <... openat resumed>) = 3 [pid 5593] <... openat resumed>) = 3 [pid 5592] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5586, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5595] set_robust_list(0x7ff12c97c9a0, 24 [pid 5594] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5593] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5592] <... futex resumed>) = 1 [pid 5591] <... futex resumed>) = 0 [pid 5590] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] <... set_robust_list resumed>) = 0 [pid 5594] <... futex resumed>) = 1 [pid 5593] <... futex resumed>) = 1 [pid 5592] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5590] <... futex resumed>) = 0 [pid 5588] <... futex resumed>) = 0 [pid 5587] <... futex resumed>) = 0 [pid 5595] rt_sigprocmask(SIG_SETMASK, [], [pid 5594] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5593] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5591] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5588] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5592] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5591] <... futex resumed>) = 0 [pid 5587] <... futex resumed>) = 0 [pid 5595] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5592] <... ioctl resumed>) = 0 [pid 5591] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5588] <... futex resumed>) = 0 [pid 5587] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5595] <... openat resumed>) = 3 [pid 5594] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5593] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5592] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5588] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5595] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] <... ioctl resumed>) = 0 [pid 5593] <... ioctl resumed>) = 0 [pid 5592] <... futex resumed>) = 0 [pid 5591] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] <... futex resumed>) = 1 [pid 5594] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5593] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5592] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5591] <... futex resumed>) = 0 [pid 5590] <... futex resumed>) = 0 [pid 5594] <... futex resumed>) = 1 [pid 5593] <... futex resumed>) = 1 [pid 5592] <... ioctl resumed>) = 0 [pid 5591] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5590] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] <... futex resumed>) = 0 [pid 5587] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5594] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5593] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5590] <... futex resumed>) = 0 [pid 5588] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5594] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5590] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5588] <... futex resumed>) = 0 [pid 5595] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5594] <... ioctl resumed>) = 0 [pid 5592] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5587] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] <... ioctl resumed>) = 0 [pid 5594] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5593] <... futex resumed>) = 0 [pid 5592] <... futex resumed>) = 1 [pid 5591] <... futex resumed>) = 0 [pid 5588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5587] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5596 attached [pid 5595] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] <... futex resumed>) = 0 [pid 5593] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5592] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5591] exit_group(0 [pid 5588] exit_group(0 [pid 5587] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5596 [pid 5596] set_robust_list(0x555581d606a0, 24 [pid 5595] <... futex resumed>) = 1 [pid 5593] <... ioctl resumed>) = 0 [pid 5592] <... futex resumed>) = ? [pid 5591] <... exit_group resumed>) = ? [pid 5590] <... futex resumed>) = 0 [pid 5588] <... exit_group resumed>) = ? [pid 5596] <... set_robust_list resumed>) = 0 [pid 5595] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5594] +++ exited with 0 +++ [pid 5593] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5592] +++ exited with 0 +++ [pid 5591] +++ exited with 0 +++ [pid 5588] +++ exited with 0 +++ [pid 5596] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5590] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] <... prctl resumed>) = 0 [pid 5595] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5593] <... futex resumed>) = 1 [pid 5590] <... futex resumed>) = 0 [pid 5587] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5588, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5596] setpgid(0, 0 [pid 5595] <... ioctl resumed>) = 0 [pid 5593] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5590] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5587] exit_group(0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5591, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5596] <... setpgid resumed>) = 0 [pid 5595] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5595] <... futex resumed>) = 0 [pid 5593] <... futex resumed>) = ? [pid 5590] exit_group(0 [pid 5587] <... exit_group resumed>) = ? [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5596] <... openat resumed>) = 3 [pid 5593] +++ exited with 0 +++ [pid 5590] <... exit_group resumed>) = ? [pid 5587] +++ exited with 0 +++ [pid 5068] <... restart_syscall resumed>) = 0 [pid 5596] write(3, "1000", 4 [pid 5595] +++ exited with 0 +++ [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5587, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5597 attached [pid 5596] <... write resumed>) = 4 [pid 5590] +++ exited with 0 +++ [pid 5597] set_robust_list(0x555581d606a0, 24 [pid 5596] close(3 [pid 5597] <... set_robust_list resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5590, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5596] <... close resumed>) = 0 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5596] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5597 ./strace-static-x86_64: Process 5598 attached [pid 5597] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5596] <... futex resumed>) = 0 [pid 5066] <... restart_syscall resumed>) = 0 [pid 5598] set_robust_list(0x555581d606a0, 24 [pid 5597] <... prctl resumed>) = 0 [pid 5596] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5598 [pid 5598] <... set_robust_list resumed>) = 0 [pid 5597] setpgid(0, 0 [pid 5596] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5598] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5597] <... setpgid resumed>) = 0 [pid 5598] <... prctl resumed>) = 0 [pid 5597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5596] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5598] setpgid(0, 0 [pid 5597] <... openat resumed>) = 3 [pid 5596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5599 attached ./strace-static-x86_64: Process 5600 attached [pid 5598] <... setpgid resumed>) = 0 [pid 5597] write(3, "1000", 4 [pid 5596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5600] set_robust_list(0x555581d606a0, 24) = 0 [pid 5599] set_robust_list(0x555581d606a0, 24 [pid 5598] <... openat resumed>) = 3 [pid 5597] <... write resumed>) = 4 [pid 5596] <... mmap resumed>) = 0x7ff12c95c000 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5599 [pid 5599] <... set_robust_list resumed>) = 0 [pid 5598] write(3, "1000", 4 [pid 5597] close(3 [pid 5599] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5598] <... write resumed>) = 4 [pid 5597] <... close resumed>) = 0 [pid 5596] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5599] <... prctl resumed>) = 0 [pid 5598] close(3 [pid 5597] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] <... mprotect resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5600 [pid 5600] setpgid(0, 0 [pid 5599] setpgid(0, 0 [pid 5598] <... close resumed>) = 0 [pid 5597] <... futex resumed>) = 0 [pid 5596] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5600] <... setpgid resumed>) = 0 [pid 5599] <... setpgid resumed>) = 0 [pid 5598] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5597] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5598] <... futex resumed>) = 0 [pid 5597] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5596] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5597] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5596] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5601 attached [pid 5597] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5601] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5600] <... openat resumed>) = 3 [pid 5598] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5596] <... clone3 resumed> => {parent_tid=[5601]}, 88) = 5601 [pid 5601] <... rseq resumed>) = 0 [pid 5600] write(3, "1000", 4 [pid 5599] <... openat resumed>) = 3 [pid 5598] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5597] <... mmap resumed>) = 0x7ff12c95c000 [pid 5601] set_robust_list(0x7ff12c97c9a0, 24 [pid 5600] <... write resumed>) = 4 [pid 5599] write(3, "1000", 4 [pid 5598] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5596] rt_sigprocmask(SIG_SETMASK, [], [pid 5601] <... set_robust_list resumed>) = 0 [pid 5600] close(3 [pid 5599] <... write resumed>) = 4 [pid 5598] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5597] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5601] rt_sigprocmask(SIG_SETMASK, [], [pid 5600] <... close resumed>) = 0 [pid 5599] close(3 [pid 5598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5597] <... mprotect resumed>) = 0 [pid 5596] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5600] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5599] <... close resumed>) = 0 [pid 5598] <... mmap resumed>) = 0x7ff12c95c000 [pid 5597] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5596] <... futex resumed>) = 0 [pid 5601] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5600] <... futex resumed>) = 0 [pid 5599] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5598] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5596] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] <... openat resumed>) = 3 [pid 5600] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5599] <... futex resumed>) = 0 [pid 5598] <... mprotect resumed>) = 0 [pid 5597] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5601] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5599] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5598] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5597] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5602 attached [pid 5601] <... futex resumed>) = 1 [pid 5600] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5599] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5598] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5596] <... futex resumed>) = 0 [pid 5602] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5601] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5600] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5599] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5598] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5596] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... rseq resumed>) = 0 [pid 5601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5600] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5597] <... clone3 resumed> => {parent_tid=[5602]}, 88) = 5602 [pid 5596] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5603 attached [pid 5602] set_robust_list(0x7ff12c97c9a0, 24 [pid 5601] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5600] <... mmap resumed>) = 0x7ff12c95c000 [pid 5599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5597] rt_sigprocmask(SIG_SETMASK, [], [pid 5602] <... set_robust_list resumed>) = 0 [pid 5601] <... ioctl resumed>) = 0 [pid 5600] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5596] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5602] rt_sigprocmask(SIG_SETMASK, [], [pid 5601] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] <... mprotect resumed>) = 0 [pid 5599] <... mmap resumed>) = 0x7ff12c95c000 [pid 5598] <... clone3 resumed> => {parent_tid=[5603]}, 88) = 5603 [pid 5597] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5603] <... rseq resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5601] <... futex resumed>) = 1 [pid 5597] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] <... futex resumed>) = 0 [pid 5603] set_robust_list(0x7ff12c97c9a0, 24 [pid 5602] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5601] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5600] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5599] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5598] rt_sigprocmask(SIG_SETMASK, [], [pid 5597] <... futex resumed>) = 0 [pid 5596] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... set_robust_list resumed>) = 0 [pid 5602] <... openat resumed>) = 3 [pid 5601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5600] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5599] <... mprotect resumed>) = 0 [pid 5598] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5597] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5596] <... futex resumed>) = 0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [], [pid 5602] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5600] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5599] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5598] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5604 attached [pid 5603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5602] <... futex resumed>) = 0 [pid 5601] <... ioctl resumed>) = 0 [pid 5599] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5598] <... futex resumed>) = 0 [pid 5597] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5604] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5603] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5602] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5601] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] <... clone3 resumed> => {parent_tid=[5604]}, 88) = 5604 [pid 5599] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5598] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5597] <... futex resumed>) = 0 [pid 5596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5604] <... rseq resumed>) = 0 [pid 5603] <... openat resumed>) = 3 [pid 5602] <... ioctl resumed>) = 0 [pid 5601] <... futex resumed>) = 0 [pid 5600] rt_sigprocmask(SIG_SETMASK, [], [pid 5604] set_robust_list(0x7ff12c97c9a0, 24 [pid 5602] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5599] <... clone3 resumed> => {parent_tid=[5605]}, 88) = 5605 [pid 5604] <... set_robust_list resumed>) = 0 [pid 5602] <... futex resumed>) = 0 [pid 5600] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5599] rt_sigprocmask(SIG_SETMASK, [], [pid 5604] rt_sigprocmask(SIG_SETMASK, [], [pid 5602] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5600] <... futex resumed>) = 0 [pid 5599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5604] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5599] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5605 attached [pid 5604] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5603] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5599] <... futex resumed>) = 0 [pid 5597] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5596] exit_group(0 [pid 5605] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5603] <... futex resumed>) = 1 [pid 5601] <... futex resumed>) = ? [pid 5599] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5598] <... futex resumed>) = 0 [pid 5597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5596] <... exit_group resumed>) = ? [pid 5605] <... rseq resumed>) = 0 [pid 5604] <... openat resumed>) = 3 [pid 5603] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5601] +++ exited with 0 +++ [pid 5598] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5597] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] +++ exited with 0 +++ [pid 5603] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5598] <... futex resumed>) = 0 [pid 5597] <... futex resumed>) = 1 [pid 5605] set_robust_list(0x7ff12c97c9a0, 24 [pid 5604] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5602] <... futex resumed>) = 0 [pid 5605] <... set_robust_list resumed>) = 0 [pid 5604] <... futex resumed>) = 1 [pid 5603] <... ioctl resumed>) = 0 [pid 5600] <... futex resumed>) = 0 [pid 5598] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5597] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [], [pid 5604] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5603] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... ioctl resumed>) = 0 [pid 5600] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5596, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5605] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5603] <... futex resumed>) = 0 [pid 5602] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] <... futex resumed>) = 0 [pid 5598] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5605] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5604] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5603] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5600] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5598] <... futex resumed>) = 0 [pid 5603] <... ioctl resumed>) = 0 [pid 5598] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5603] <... futex resumed>) = 0 [pid 5598] exit_group(0) = ? [pid 5603] +++ exited with 0 +++ [pid 5602] <... futex resumed>) = 1 [pid 5597] <... futex resumed>) = 0 [pid 5605] <... openat resumed>) = 3 [pid 5604] <... ioctl resumed>) = 0 [pid 5602] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5597] exit_group(0./strace-static-x86_64: Process 5606 attached [pid 5605] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5604] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... futex resumed>) = ? [pid 5598] +++ exited with 0 +++ [pid 5597] <... exit_group resumed>) = ? [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5606 [pid 5606] set_robust_list(0x555581d606a0, 24 [pid 5605] <... futex resumed>) = 1 [pid 5604] <... futex resumed>) = 1 [pid 5602] +++ exited with 0 +++ [pid 5600] <... futex resumed>) = 0 [pid 5599] <... futex resumed>) = 0 [pid 5597] +++ exited with 0 +++ [pid 5606] <... set_robust_list resumed>) = 0 [pid 5605] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5604] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5600] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5599] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5598, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5606] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5600] <... futex resumed>) = 0 [pid 5599] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5597, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5606] <... prctl resumed>) = 0 [pid 5606] setpgid(0, 0) = 0 [pid 5606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5607 attached [pid 5605] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5604] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5600] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5599] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5607 [pid 5605] <... ioctl resumed>) = 0 [pid 5604] <... ioctl resumed>) = 0 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5607] set_robust_list(0x555581d606a0, 24 [pid 5606] <... openat resumed>) = 3 [pid 5605] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5604] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] <... set_robust_list resumed>) = 0 [pid 5607] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5605] <... futex resumed>) = 1 [pid 5604] <... futex resumed>) = 1 [pid 5600] <... futex resumed>) = 0 [pid 5599] <... futex resumed>) = 0 [pid 5606] write(3, "1000", 4 [pid 5605] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5604] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5600] exit_group(0 [pid 5599] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] <... prctl resumed>) = 0 [pid 5606] <... write resumed>) = 4 [pid 5599] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5600] <... exit_group resumed>) = ? [pid 5606] close(3 [pid 5605] <... ioctl resumed>) = 0 [pid 5604] <... futex resumed>) = ? [pid 5599] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5607] setpgid(0, 0) = 0 [pid 5607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5607] write(3, "1000", 4./strace-static-x86_64: Process 5608 attached [pid 5606] <... close resumed>) = 0 [pid 5605] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5604] +++ exited with 0 +++ [pid 5600] +++ exited with 0 +++ [pid 5599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5608] set_robust_list(0x555581d606a0, 24 [pid 5607] <... write resumed>) = 4 [pid 5606] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... futex resumed>) = 0 [pid 5599] exit_group(0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5608 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5600, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5608] <... set_robust_list resumed>) = 0 [pid 5607] close(3 [pid 5599] <... exit_group resumed>) = ? [pid 5608] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5607] <... close resumed>) = 0 [pid 5606] <... futex resumed>) = 0 [pid 5605] +++ exited with 0 +++ [pid 5599] +++ exited with 0 +++ [pid 5607] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5599, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5609 attached [pid 5608] <... prctl resumed>) = 0 [pid 5607] <... futex resumed>) = 0 [pid 5606] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5609] set_robust_list(0x555581d606a0, 24) = 0 [pid 5608] setpgid(0, 0 [pid 5607] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5606] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5607] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5606] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5609] setpgid(0, 0 [pid 5608] <... setpgid resumed>) = 0 [pid 5607] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5609] <... setpgid resumed>) = 0 [pid 5608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5607] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5609 [pid 5609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5608] <... openat resumed>) = 3 [pid 5607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5606] <... mmap resumed>) = 0x7ff12c95c000 [pid 5609] <... openat resumed>) = 3 [pid 5607] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5608] write(3, "1000", 4 [pid 5607] <... mprotect resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5610 attached [pid 5609] write(3, "1000", 4 [pid 5608] <... write resumed>) = 4 [pid 5607] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5606] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5608] close(3 [pid 5606] <... mprotect resumed>) = 0 [pid 5609] <... write resumed>) = 4 [pid 5610] set_robust_list(0x555581d606a0, 24 [pid 5609] close(3 [pid 5608] <... close resumed>) = 0 [pid 5607] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5610] <... set_robust_list resumed>) = 0 [pid 5609] <... close resumed>) = 0 [pid 5608] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5606] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5611 attached [pid 5608] <... futex resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5610 [pid 5611] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5610] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5608] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5607] <... clone3 resumed> => {parent_tid=[5611]}, 88) = 5611 [pid 5611] <... rseq resumed>) = 0 [pid 5608] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5607] rt_sigprocmask(SIG_SETMASK, [], [pid 5611] set_robust_list(0x7ff12c97c9a0, 24 [pid 5608] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5607] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5611] <... set_robust_list resumed>) = 0 [pid 5608] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5607] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5611] rt_sigprocmask(SIG_SETMASK, [], [pid 5608] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5607] <... futex resumed>) = 0 [pid 5611] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5608] <... mmap resumed>) = 0x7ff12c95c000 [pid 5607] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5611] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5608] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5611] <... openat resumed>) = 3 [pid 5608] <... mprotect resumed>) = 0 [pid 5610] <... prctl resumed>) = 0 [pid 5609] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5611] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] setpgid(0, 0 [pid 5609] <... futex resumed>) = 0 [pid 5608] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5611] <... futex resumed>) = 1 [pid 5610] <... setpgid resumed>) = 0 [pid 5609] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5607] <... futex resumed>) = 0 [pid 5611] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5608] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5607] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5612 attached [pid 5611] <... ioctl resumed>) = 0 [pid 5610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5609] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5608] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5607] <... futex resumed>) = 0 [pid 5606] <... clone3 resumed> => {parent_tid=[5612]}, 88) = 5612 ./strace-static-x86_64: Process 5613 attached [pid 5612] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5611] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5607] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5606] rt_sigprocmask(SIG_SETMASK, [], [pid 5613] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5612] <... rseq resumed>) = 0 [pid 5611] <... futex resumed>) = 0 [pid 5610] <... openat resumed>) = 3 [pid 5609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5608] <... clone3 resumed> => {parent_tid=[5613]}, 88) = 5613 [pid 5607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5613] <... rseq resumed>) = 0 [pid 5612] set_robust_list(0x7ff12c97c9a0, 24 [pid 5611] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5610] write(3, "1000", 4 [pid 5609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5608] rt_sigprocmask(SIG_SETMASK, [], [pid 5607] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] set_robust_list(0x7ff12c97c9a0, 24 [pid 5612] <... set_robust_list resumed>) = 0 [pid 5611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5610] <... write resumed>) = 4 [pid 5609] <... mmap resumed>) = 0x7ff12c95c000 [pid 5608] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5607] <... futex resumed>) = 0 [pid 5606] <... futex resumed>) = 0 [pid 5613] <... set_robust_list resumed>) = 0 [pid 5612] rt_sigprocmask(SIG_SETMASK, [], [pid 5611] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5610] close(3 [pid 5609] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5608] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5613] rt_sigprocmask(SIG_SETMASK, [], [pid 5612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5611] <... ioctl resumed>) = 0 [pid 5609] <... mprotect resumed>) = 0 [pid 5608] <... futex resumed>) = 0 [pid 5610] <... close resumed>) = 0 [pid 5613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5611] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5606] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5613] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5612] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5611] <... futex resumed>) = 1 [pid 5610] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5607] <... futex resumed>) = 0 [pid 5610] <... futex resumed>) = 0 [pid 5609] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5610] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5609] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5612] <... openat resumed>) = 3 [pid 5610] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5614 attached [pid 5613] <... openat resumed>) = 3 [pid 5612] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5611] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5610] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5607] exit_group(0 [pid 5614] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5613] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5612] <... futex resumed>) = 1 [pid 5611] <... futex resumed>) = ? [pid 5610] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5609] <... clone3 resumed> => {parent_tid=[5614]}, 88) = 5614 [pid 5607] <... exit_group resumed>) = ? [pid 5606] <... futex resumed>) = 0 [pid 5614] <... rseq resumed>) = 0 [pid 5613] <... futex resumed>) = 1 [pid 5612] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5611] +++ exited with 0 +++ [pid 5610] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5609] rt_sigprocmask(SIG_SETMASK, [], [pid 5608] <... futex resumed>) = 0 [pid 5607] +++ exited with 0 +++ [pid 5606] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] set_robust_list(0x7ff12c97c9a0, 24 [pid 5613] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5610] <... mmap resumed>) = 0x7ff12c95c000 [pid 5609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5608] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] <... futex resumed>) = 0 [pid 5614] <... set_robust_list resumed>) = 0 [pid 5613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5612] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5610] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5609] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5607, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5614] rt_sigprocmask(SIG_SETMASK, [], [pid 5613] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5612] <... ioctl resumed>) = 0 [pid 5609] <... futex resumed>) = 0 [pid 5608] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5606] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5610] <... mprotect resumed>) = 0 [pid 5614] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5613] <... ioctl resumed>) = 0 [pid 5612] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5606] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5614] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5613] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5612] <... futex resumed>) = 0 [pid 5606] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5606] <... futex resumed>) = 0 [pid 5613] <... futex resumed>) = 1 [pid 5608] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5615 attached [pid 5614] <... openat resumed>) = 3 [pid 5613] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5612] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5610] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5608] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5612] <... ioctl resumed>) = 0 [pid 5610] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5608] <... futex resumed>) = 0 [pid 5615] set_robust_list(0x555581d606a0, 24) = 0 [pid 5613] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5608] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5613] <... ioctl resumed>) = 0 [pid 5613] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5608] <... futex resumed>) = 0 [pid 5608] exit_group(0./strace-static-x86_64: Process 5616 attached ) = ? [pid 5616] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5615] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5614] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5612] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] <... clone3 resumed> => {parent_tid=[5616]}, 88) = 5616 [pid 5616] <... rseq resumed>) = 0 [pid 5615] <... prctl resumed>) = 0 [pid 5614] <... futex resumed>) = 1 [pid 5613] +++ exited with 0 +++ [pid 5612] <... futex resumed>) = 1 [pid 5610] rt_sigprocmask(SIG_SETMASK, [], [pid 5609] <... futex resumed>) = 0 [pid 5608] +++ exited with 0 +++ [pid 5606] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5615 [pid 5616] set_robust_list(0x7ff12c97c9a0, 24 [pid 5615] setpgid(0, 0 [pid 5614] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5612] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5610] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5609] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5616] <... set_robust_list resumed>) = 0 [pid 5615] <... setpgid resumed>) = 0 [pid 5614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5610] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... futex resumed>) = 0 [pid 5606] exit_group(0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5608, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5616] rt_sigprocmask(SIG_SETMASK, [], [pid 5614] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5612] <... futex resumed>) = ? [pid 5610] <... futex resumed>) = 0 [pid 5609] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5606] <... exit_group resumed>) = ? [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5616] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5612] +++ exited with 0 +++ [pid 5610] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5616] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3 [pid 5616] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5617 attached [pid 5615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5614] <... ioctl resumed>) = 0 [pid 5606] +++ exited with 0 +++ [pid 5617] set_robust_list(0x555581d606a0, 24 [pid 5616] <... futex resumed>) = 1 [pid 5615] <... openat resumed>) = 3 [pid 5614] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5617 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5606, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5616] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5614] <... futex resumed>) = 1 [pid 5610] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... futex resumed>) = 0 [pid 5617] <... set_robust_list resumed>) = 0 [pid 5616] <... ioctl resumed>) = 0 [pid 5615] write(3, "1000", 4 [pid 5614] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5610] <... futex resumed>) = 0 [pid 5609] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5616] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] <... write resumed>) = 4 [pid 5617] <... prctl resumed>) = 0 [pid 5616] <... futex resumed>) = 0 [pid 5614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5610] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5618 attached [pid 5617] setpgid(0, 0 [pid 5616] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5615] close(3 [pid 5614] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5617] <... setpgid resumed>) = 0 [pid 5615] <... close resumed>) = 0 [pid 5614] <... ioctl resumed>) = 0 [pid 5618] set_robust_list(0x555581d606a0, 24) = 0 [pid 5614] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5615] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5614] <... futex resumed>) = 1 [pid 5618] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5617] <... openat resumed>) = 3 [pid 5615] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5614] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5610] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... futex resumed>) = 0 [pid 5610] <... futex resumed>) = 1 [pid 5616] <... futex resumed>) = 0 [pid 5615] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5618 [pid 5617] write(3, "1000", 4 [pid 5616] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5615] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5609] exit_group(0 [pid 5610] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5618] <... prctl resumed>) = 0 [pid 5617] <... write resumed>) = 4 [pid 5616] <... ioctl resumed>) = 0 [pid 5615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5614] <... futex resumed>) = ? [pid 5609] <... exit_group resumed>) = ? [pid 5618] setpgid(0, 0 [pid 5617] close(3 [pid 5616] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5614] +++ exited with 0 +++ [pid 5617] <... close resumed>) = 0 [pid 5616] <... futex resumed>) = 1 [pid 5615] <... mmap resumed>) = 0x7ff12c95c000 [pid 5617] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5616] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5615] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5618] <... setpgid resumed>) = 0 [pid 5617] <... futex resumed>) = 0 [pid 5615] <... mprotect resumed>) = 0 [pid 5610] <... futex resumed>) = 0 [pid 5617] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5617] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5610] exit_group(0 [pid 5617] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5615] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5615] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5617] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5615] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5617] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5619 attached [pid 5619] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 5617] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5615] <... clone3 resumed> => {parent_tid=[5619]}, 88) = 5619 [pid 5619] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5619] rt_sigprocmask(SIG_SETMASK, [], [pid 5615] rt_sigprocmask(SIG_SETMASK, [], [pid 5619] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5617] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5619] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5615] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5615] <... futex resumed>) = 0 [pid 5619] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5615] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5619] <... openat resumed>) = 3 [pid 5617] <... clone3 resumed> => {parent_tid=[5620]}, 88) = 5620 [pid 5617] rt_sigprocmask(SIG_SETMASK, [], [pid 5619] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5619] <... futex resumed>) = 1 [pid 5617] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] <... futex resumed>) = 0 [pid 5619] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] <... futex resumed>) = 0 [pid 5615] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] +++ exited with 0 +++ ./strace-static-x86_64: Process 5620 attached [pid 5619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5617] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5616] <... futex resumed>) = ? [pid 5615] <... futex resumed>) = 0 [pid 5610] <... exit_group resumed>) = ? [pid 5620] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5619] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5616] +++ exited with 0 +++ [pid 5615] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5620] <... rseq resumed>) = 0 [pid 5619] <... ioctl resumed>) = 0 [pid 5620] set_robust_list(0x7ff12c97c9a0, 24 [pid 5619] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5615] <... futex resumed>) = 0 [pid 5619] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5615] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5615] <... futex resumed>) = 0 [pid 5619] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5615] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5619] <... ioctl resumed>) = 0 [pid 5619] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5620] <... set_robust_list resumed>) = 0 [pid 5618] <... openat resumed>) = 3 [pid 5610] +++ exited with 0 +++ [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5609, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5620] rt_sigprocmask(SIG_SETMASK, [], [pid 5618] write(3, "1000", 4 [pid 5620] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5618] <... write resumed>) = 4 [pid 5620] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5619] <... futex resumed>) = 1 [pid 5618] close(3 [pid 5615] <... futex resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5610, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5619] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5618] <... close resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5620] <... openat resumed>) = 3 [pid 5618] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] exit_group(0 [pid 5620] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5619] <... futex resumed>) = ? [pid 5618] <... futex resumed>) = 0 [pid 5615] <... exit_group resumed>) = ? [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5620] <... futex resumed>) = 1 [pid 5618] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5619] +++ exited with 0 +++ [pid 5617] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5621 attached [pid 5617] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5617] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5621] set_robust_list(0x555581d606a0, 24 [pid 5615] +++ exited with 0 +++ [pid 5620] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080./strace-static-x86_64: Process 5622 attached [pid 5618] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5622] set_robust_list(0x555581d606a0, 24 [pid 5621] <... set_robust_list resumed>) = 0 [pid 5620] <... ioctl resumed>) = 0 [pid 5618] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5621 [pid 5622] <... set_robust_list resumed>) = 0 [pid 5621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5620] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5615, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5622 [pid 5622] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5621] <... prctl resumed>) = 0 [pid 5620] <... futex resumed>) = 1 [pid 5618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5617] <... futex resumed>) = 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5622] <... prctl resumed>) = 0 [pid 5621] setpgid(0, 0 [pid 5620] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5618] <... mmap resumed>) = 0x7ff12c95c000 [pid 5617] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5622] setpgid(0, 0 [pid 5621] <... setpgid resumed>) = 0 [pid 5620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5618] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5617] <... futex resumed>) = 0 [pid 5622] <... setpgid resumed>) = 0 [pid 5621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5620] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5618] <... mprotect resumed>) = 0 [pid 5617] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5620] <... ioctl resumed>) = 0 [pid 5618] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5623 attached [pid 5622] <... openat resumed>) = 3 [pid 5621] <... openat resumed>) = 3 [pid 5620] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5621] write(3, "1000", 4) = 4 [pid 5621] close(3) = 0 [pid 5623] set_robust_list(0x555581d606a0, 24 [pid 5622] write(3, "1000", 4 [pid 5621] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5620] <... futex resumed>) = 1 [pid 5618] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5617] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5623 [pid 5623] <... set_robust_list resumed>) = 0 [pid 5622] <... write resumed>) = 4 [pid 5621] <... futex resumed>) = 0 [pid 5620] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] exit_group(0 [pid 5623] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5622] close(3 [pid 5621] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5622] <... close resumed>) = 0 [pid 5621] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5620] <... futex resumed>) = ? [pid 5617] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5624 attached [pid 5622] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5620] +++ exited with 0 +++ [pid 5618] <... clone3 resumed> => {parent_tid=[5624]}, 88) = 5624 [pid 5617] +++ exited with 0 +++ [pid 5624] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5623] <... prctl resumed>) = 0 [pid 5622] <... futex resumed>) = 0 [pid 5621] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5618] rt_sigprocmask(SIG_SETMASK, [], [pid 5624] <... rseq resumed>) = 0 [pid 5623] setpgid(0, 0 [pid 5622] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5618] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5617, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5624] set_robust_list(0x7ff12c97c9a0, 24 [pid 5623] <... setpgid resumed>) = 0 [pid 5622] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5621] <... mmap resumed>) = 0x7ff12c95c000 [pid 5618] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] <... set_robust_list resumed>) = 0 [pid 5623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5622] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5621] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5618] <... futex resumed>) = 0 [pid 5624] rt_sigprocmask(SIG_SETMASK, [], [pid 5623] <... openat resumed>) = 3 [pid 5622] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5621] <... mprotect resumed>) = 0 [pid 5618] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5622] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5624] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5622] <... mmap resumed>) = 0x7ff12c95c000 [pid 5624] <... openat resumed>) = 3 [pid 5623] write(3, "1000", 4 [pid 5622] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5621] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5624] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] <... write resumed>) = 4 [pid 5622] <... mprotect resumed>) = 0 [pid 5623] close(3 [pid 5621] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5624] <... futex resumed>) = 1 [pid 5623] <... close resumed>) = 0 [pid 5622] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5621] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5618] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5625 attached [pid 5623] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5618] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] <... futex resumed>) = 0 [pid 5618] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5625 [pid 5622] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5625] set_robust_list(0x555581d606a0, 24 [pid 5623] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5618] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5625] <... set_robust_list resumed>) = 0 [pid 5623] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5621] <... clone3 resumed> => {parent_tid=[5626]}, 88) = 5626 [pid 5623] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5627 attached ./strace-static-x86_64: Process 5626 attached [pid 5625] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5624] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5622] <... clone3 resumed> => {parent_tid=[5627]}, 88) = 5627 [pid 5627] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5626] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5625] <... prctl resumed>) = 0 [pid 5624] <... ioctl resumed>) = 0 [pid 5623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5621] rt_sigprocmask(SIG_SETMASK, [], [pid 5627] <... rseq resumed>) = 0 [pid 5626] <... rseq resumed>) = 0 [pid 5624] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] <... mmap resumed>) = 0x7ff12c95c000 [pid 5622] rt_sigprocmask(SIG_SETMASK, [], [pid 5627] set_robust_list(0x7ff12c97c9a0, 24 [pid 5626] set_robust_list(0x7ff12c97c9a0, 24 [pid 5625] setpgid(0, 0 [pid 5624] <... futex resumed>) = 1 [pid 5621] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5622] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5618] <... futex resumed>) = 0 [pid 5623] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5627] <... set_robust_list resumed>) = 0 [pid 5626] <... set_robust_list resumed>) = 0 [pid 5625] <... setpgid resumed>) = 0 [pid 5624] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5622] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], [pid 5626] rt_sigprocmask(SIG_SETMASK, [], [pid 5624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5623] <... mprotect resumed>) = 0 [pid 5621] <... futex resumed>) = 0 [pid 5622] <... futex resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5624] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5618] <... futex resumed>) = 0 [pid 5622] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5627] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5626] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5624] <... ioctl resumed>) = 0 [pid 5621] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5627] <... openat resumed>) = 3 [pid 5626] <... openat resumed>) = 3 [pid 5625] <... openat resumed>) = 3 [pid 5624] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5618] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5627] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] write(3, "1000", 4 [pid 5624] <... futex resumed>) = 0 [pid 5623] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5627] <... futex resumed>) = 1 [pid 5626] <... futex resumed>) = 1 [pid 5625] <... write resumed>) = 4 [pid 5624] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5623] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5622] <... futex resumed>) = 0 [pid 5621] <... futex resumed>) = 0 [pid 5618] exit_group(0./strace-static-x86_64: Process 5628 attached [pid 5627] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5626] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] close(3 [pid 5624] <... futex resumed>) = ? [pid 5622] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... exit_group resumed>) = ? [pid 5628] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] <... close resumed>) = 0 [pid 5624] +++ exited with 0 +++ [pid 5622] <... futex resumed>) = 0 [pid 5621] <... futex resumed>) = 0 [pid 5618] +++ exited with 0 +++ [pid 5628] <... rseq resumed>) = 0 [pid 5627] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5626] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5625] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] <... clone3 resumed> => {parent_tid=[5628]}, 88) = 5628 [pid 5622] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5621] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5627] <... ioctl resumed>) = 0 [pid 5628] set_robust_list(0x7ff12c97c9a0, 24 [pid 5626] <... ioctl resumed>) = 0 [pid 5625] <... futex resumed>) = 0 [pid 5623] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5618, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5628] <... set_robust_list resumed>) = 0 [pid 5627] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], [pid 5625] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5623] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5626] <... futex resumed>) = 1 [pid 5625] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5623] <... futex resumed>) = 0 [pid 5622] <... futex resumed>) = 0 [pid 5627] <... futex resumed>) = 1 [pid 5621] <... futex resumed>) = 0 [pid 5628] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5627] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5626] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5623] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5621] <... futex resumed>) = 0 [pid 5627] <... ioctl resumed>) = 0 [pid 5626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] <... mmap resumed>) = 0x7ff12c95c000 [pid 5622] <... futex resumed>) = 0 [pid 5621] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5628] <... openat resumed>) = 3 [pid 5627] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5625] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5622] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5627] <... futex resumed>) = 0 [pid 5626] <... ioctl resumed>) = 0 [pid 5625] <... mprotect resumed>) = 0 [pid 5622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5628] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5628] <... futex resumed>) = 1 [pid 5622] exit_group(0 [pid 5628] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5623] <... futex resumed>) = 0 [pid 5626] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... exit_group resumed>) = ? [pid 5627] <... futex resumed>) = ? [pid 5626] <... futex resumed>) = 1 [pid 5621] <... futex resumed>) = 0 [pid 5623] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] exit_group(0 [pid 5628] <... futex resumed>) = 0 [pid 5623] <... futex resumed>) = 1 [pid 5621] <... exit_group resumed>) = ? [pid 5628] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5623] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5628] <... ioctl resumed>) = 0 [pid 5625] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5629 attached [pid 5628] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] +++ exited with 0 +++ [pid 5626] +++ exited with 0 +++ [pid 5622] +++ exited with 0 +++ [pid 5621] +++ exited with 0 +++ [pid 5629] set_robust_list(0x555581d606a0, 24 [pid 5628] <... futex resumed>) = 1 [pid 5625] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5623] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5629 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5622, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5629] <... set_robust_list resumed>) = 0 [pid 5628] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5623] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5621, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5630 attached [pid 5629] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5623] <... futex resumed>) = 0 [pid 5630] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5629] <... prctl resumed>) = 0 [pid 5628] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5625] <... clone3 resumed> => {parent_tid=[5630]}, 88) = 5630 [pid 5623] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5631 attached [pid 5630] <... rseq resumed>) = 0 [pid 5629] setpgid(0, 0 [pid 5628] <... ioctl resumed>) = 0 [pid 5625] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5630] set_robust_list(0x7ff12c97c9a0, 24 [pid 5629] <... setpgid resumed>) = 0 [pid 5629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5632 attached [pid 5631] set_robust_list(0x555581d606a0, 24 [pid 5630] <... set_robust_list resumed>) = 0 [pid 5629] <... openat resumed>) = 3 [pid 5628] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5631 [pid 5632] set_robust_list(0x555581d606a0, 24 [pid 5631] <... set_robust_list resumed>) = 0 [pid 5630] rt_sigprocmask(SIG_SETMASK, [], [pid 5629] write(3, "1000", 4 [pid 5628] <... futex resumed>) = 1 [pid 5625] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] <... futex resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5632 [pid 5632] <... set_robust_list resumed>) = 0 [pid 5623] exit_group(0 [pid 5632] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5629] <... write resumed>) = 4 [pid 5625] <... futex resumed>) = 0 [pid 5623] <... exit_group resumed>) = ? [pid 5632] <... prctl resumed>) = 0 [pid 5630] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5629] close(3 [pid 5628] +++ exited with 0 +++ [pid 5625] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5631] <... prctl resumed>) = 0 [pid 5629] <... close resumed>) = 0 [pid 5631] setpgid(0, 0 [pid 5630] <... openat resumed>) = 3 [pid 5629] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] setpgid(0, 0 [pid 5631] <... setpgid resumed>) = 0 [pid 5629] <... futex resumed>) = 0 [pid 5632] <... setpgid resumed>) = 0 [pid 5631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5630] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] +++ exited with 0 +++ [pid 5632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5631] <... openat resumed>) = 3 [pid 5630] <... futex resumed>) = 1 [pid 5629] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5625] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5623, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5630] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5629] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5625] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] write(3, "1000", 4 [pid 5630] <... ioctl resumed>) = 0 [pid 5629] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5625] <... futex resumed>) = 0 [pid 5632] <... openat resumed>) = 3 [pid 5631] <... write resumed>) = 4 [pid 5630] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5625] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5632] write(3, "1000", 4 [pid 5631] close(3 [pid 5630] <... futex resumed>) = 0 [pid 5629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5632] <... write resumed>) = 4 [pid 5631] <... close resumed>) = 0 [pid 5630] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5629] <... mmap resumed>) = 0x7ff12c95c000 [pid 5625] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] close(3 [pid 5631] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] <... futex resumed>) = 0 [pid 5632] <... close resumed>) = 0 [pid 5631] <... futex resumed>) = 0 [pid 5630] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5629] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5625] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5631] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5630] <... ioctl resumed>) = 0 [pid 5629] <... mprotect resumed>) = 0 [pid 5632] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5630] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5632] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5633 attached [pid 5632] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5631] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5630] <... futex resumed>) = 1 [pid 5629] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5625] <... futex resumed>) = 0 [pid 5632] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5631] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5630] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5629] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5625] exit_group(0 [pid 5632] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5633] set_robust_list(0x555581d606a0, 24 [pid 5632] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5633] <... set_robust_list resumed>) = 0 [pid 5632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5632] <... mmap resumed>) = 0x7ff12c95c000 [pid 5631] <... mmap resumed>) = 0x7ff12c95c000 [pid 5630] <... futex resumed>) = ? [pid 5625] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5634 attached [pid 5633] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5632] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5631] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5630] +++ exited with 0 +++ [pid 5629] <... clone3 resumed> => {parent_tid=[5634]}, 88) = 5634 [pid 5629] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5629] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5634] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5633] <... prctl resumed>) = 0 [pid 5632] <... mprotect resumed>) = 0 [pid 5631] <... mprotect resumed>) = 0 [pid 5629] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5633 [pid 5634] <... rseq resumed>) = 0 [pid 5633] setpgid(0, 0 [pid 5632] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5631] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5625] +++ exited with 0 +++ [pid 5634] set_robust_list(0x7ff12c97c9a0, 24 [pid 5633] <... setpgid resumed>) = 0 [pid 5632] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5631] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5634] <... set_robust_list resumed>) = 0 [pid 5632] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5631] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5634] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5625, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5634] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5634] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5637 attached ./strace-static-x86_64: Process 5636 attached ./strace-static-x86_64: Process 5635 attached [pid 5636] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5635] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5636] <... rseq resumed>) = 0 [pid 5635] <... rseq resumed>) = 0 [pid 5635] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5635] rt_sigprocmask(SIG_SETMASK, [], [pid 5636] set_robust_list(0x7ff12c97c9a0, 24 [pid 5635] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5636] <... set_robust_list resumed>) = 0 [pid 5635] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5636] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5637 [pid 5637] set_robust_list(0x555581d606a0, 24 [pid 5634] <... openat resumed>) = 3 [pid 5633] <... openat resumed>) = 3 [pid 5632] <... clone3 resumed> => {parent_tid=[5635]}, 88) = 5635 [pid 5631] <... clone3 resumed> => {parent_tid=[5636]}, 88) = 5636 [pid 5637] <... set_robust_list resumed>) = 0 [pid 5634] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] write(3, "1000", 4 [pid 5632] rt_sigprocmask(SIG_SETMASK, [], [pid 5631] rt_sigprocmask(SIG_SETMASK, [], [pid 5637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5634] <... futex resumed>) = 1 [pid 5633] <... write resumed>) = 4 [pid 5632] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5631] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5629] <... futex resumed>) = 0 [pid 5637] <... prctl resumed>) = 0 [pid 5634] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5633] close(3 [pid 5632] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] setpgid(0, 0 [pid 5636] <... futex resumed>) = 0 [pid 5635] <... futex resumed>) = 0 [pid 5634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5633] <... close resumed>) = 0 [pid 5632] <... futex resumed>) = 1 [pid 5631] <... futex resumed>) = 1 [pid 5629] <... futex resumed>) = 0 [pid 5637] <... setpgid resumed>) = 0 [pid 5636] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5635] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5634] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5633] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5631] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5629] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5636] <... openat resumed>) = 3 [pid 5635] <... openat resumed>) = 3 [pid 5634] <... ioctl resumed>) = 0 [pid 5633] <... futex resumed>) = 0 [pid 5637] <... openat resumed>) = 3 [pid 5635] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5636] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] <... futex resumed>) = 1 [pid 5634] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5632] <... futex resumed>) = 0 [pid 5637] write(3, "1000", 4 [pid 5636] <... futex resumed>) = 1 [pid 5635] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5634] <... futex resumed>) = 1 [pid 5633] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5632] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] <... futex resumed>) = 0 [pid 5629] <... futex resumed>) = 0 [pid 5637] <... write resumed>) = 4 [pid 5636] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5634] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5633] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5632] <... futex resumed>) = 0 [pid 5631] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] close(3 [pid 5636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5635] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5632] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5631] <... futex resumed>) = 0 [pid 5629] <... futex resumed>) = 0 [pid 5637] <... close resumed>) = 0 [pid 5636] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5635] <... ioctl resumed>) = 0 [pid 5634] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5633] <... mmap resumed>) = 0x7ff12c95c000 [pid 5631] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5629] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] <... ioctl resumed>) = 0 [pid 5635] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] <... ioctl resumed>) = 0 [pid 5633] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5637] <... futex resumed>) = 0 [pid 5636] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] <... futex resumed>) = 1 [pid 5634] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] <... mprotect resumed>) = 0 [pid 5632] <... futex resumed>) = 0 [pid 5637] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5636] <... futex resumed>) = 1 [pid 5635] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5634] <... futex resumed>) = 1 [pid 5632] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] <... futex resumed>) = 0 [pid 5629] <... futex resumed>) = 0 [pid 5637] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5636] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5634] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5633] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5632] <... futex resumed>) = 0 [pid 5631] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] exit_group(0 [pid 5637] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5636] <... ioctl resumed>) = 0 [pid 5635] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5636] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] <... ioctl resumed>) = 0 [pid 5634] <... futex resumed>) = ? [pid 5632] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5631] <... futex resumed>) = 0 [pid 5629] <... exit_group resumed>) = ? [pid 5637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5636] <... futex resumed>) = 0 [pid 5635] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] +++ exited with 0 +++ [pid 5633] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5631] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5629] +++ exited with 0 +++ [pid 5637] <... mmap resumed>) = 0x7ff12c95c000 [pid 5636] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5635] <... futex resumed>) = 1 [pid 5633] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5632] <... futex resumed>) = 0 [pid 5631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5629, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5637] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5635] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5632] exit_group(0 [pid 5631] exit_group(0 [pid 5637] <... mprotect resumed>) = 0 [pid 5636] <... futex resumed>) = ? [pid 5635] <... futex resumed>) = ? [pid 5633] <... clone3 resumed> => {parent_tid=[5638]}, 88) = 5638 [pid 5632] <... exit_group resumed>) = ? [pid 5631] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5638 attached [pid 5637] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5636] +++ exited with 0 +++ [pid 5635] +++ exited with 0 +++ [pid 5633] rt_sigprocmask(SIG_SETMASK, [], [pid 5632] +++ exited with 0 +++ [pid 5631] +++ exited with 0 +++ [pid 5638] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5632, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5637] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5633] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5631, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5638] <... rseq resumed>) = 0 [pid 5637] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5633] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5639 attached [pid 5638] set_robust_list(0x7ff12c97c9a0, 24 [pid 5633] <... futex resumed>) = 0 [pid 5639] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5638] <... set_robust_list resumed>) = 0 [pid 5637] <... clone3 resumed> => {parent_tid=[5639]}, 88) = 5639 [pid 5633] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5640 attached [pid 5639] <... rseq resumed>) = 0 [pid 5638] rt_sigprocmask(SIG_SETMASK, [], [pid 5637] rt_sigprocmask(SIG_SETMASK, [], [pid 5639] set_robust_list(0x7ff12c97c9a0, 24 [pid 5638] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5640] set_robust_list(0x555581d606a0, 24./strace-static-x86_64: Process 5641 attached ) = 0 [pid 5639] <... set_robust_list resumed>) = 0 [pid 5638] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5642 attached [pid 5641] set_robust_list(0x555581d606a0, 24 [pid 5640] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5639] rt_sigprocmask(SIG_SETMASK, [], [pid 5638] <... openat resumed>) = 3 [pid 5637] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] <... set_robust_list resumed>) = 0 [pid 5637] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5640 [pid 5637] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5641 [pid 5642] set_robust_list(0x555581d606a0, 24 [pid 5641] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5640] <... prctl resumed>) = 0 [pid 5639] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5638] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5642 [pid 5642] <... set_robust_list resumed>) = 0 [pid 5641] <... prctl resumed>) = 0 [pid 5640] setpgid(0, 0 [pid 5639] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5638] <... futex resumed>) = 1 [pid 5633] <... futex resumed>) = 0 [pid 5642] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5641] setpgid(0, 0 [pid 5640] <... setpgid resumed>) = 0 [pid 5639] <... openat resumed>) = 3 [pid 5638] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5633] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5638] <... ioctl resumed>) = 0 [pid 5642] <... prctl resumed>) = 0 [pid 5641] <... setpgid resumed>) = 0 [pid 5640] <... openat resumed>) = 3 [pid 5639] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] <... futex resumed>) = 0 [pid 5642] setpgid(0, 0 [pid 5641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5639] <... futex resumed>) = 1 [pid 5638] <... futex resumed>) = 0 [pid 5637] <... futex resumed>) = 0 [pid 5633] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5642] <... setpgid resumed>) = 0 [pid 5641] <... openat resumed>) = 3 [pid 5640] write(3, "1000", 4 [pid 5639] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5638] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5637] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5640] <... write resumed>) = 4 [pid 5639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5637] <... futex resumed>) = 0 [pid 5633] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] <... openat resumed>) = 3 [pid 5641] write(3, "1000", 4 [pid 5640] close(3 [pid 5639] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5638] <... futex resumed>) = 0 [pid 5637] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5633] <... futex resumed>) = 1 [pid 5641] <... write resumed>) = 4 [pid 5640] <... close resumed>) = 0 [pid 5639] <... ioctl resumed>) = 0 [pid 5638] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5633] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5642] write(3, "1000", 4 [pid 5641] close(3 [pid 5640] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] <... ioctl resumed>) = 0 [pid 5642] <... write resumed>) = 4 [pid 5641] <... close resumed>) = 0 [pid 5640] <... futex resumed>) = 0 [pid 5639] <... futex resumed>) = 1 [pid 5638] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] <... futex resumed>) = 0 [pid 5642] close(3 [pid 5641] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5639] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5638] <... futex resumed>) = 1 [pid 5637] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] <... futex resumed>) = 0 [pid 5642] <... close resumed>) = 0 [pid 5641] <... futex resumed>) = 0 [pid 5640] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5638] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5637] <... futex resumed>) = 0 [pid 5633] exit_group(0 [pid 5642] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5640] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5639] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5638] <... futex resumed>) = ? [pid 5637] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5633] <... exit_group resumed>) = ? [pid 5642] <... futex resumed>) = 0 [pid 5641] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5640] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5639] <... ioctl resumed>) = 0 [pid 5638] +++ exited with 0 +++ [pid 5633] +++ exited with 0 +++ [pid 5642] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5641] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5639] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5633, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5642] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5641] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5640] <... mmap resumed>) = 0x7ff12c95c000 [pid 5639] <... futex resumed>) = 1 [pid 5637] <... futex resumed>) = 0 [pid 5642] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5640] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5639] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5637] exit_group(0 [pid 5642] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5641] <... mmap resumed>) = 0x7ff12c95c000 [pid 5640] <... mprotect resumed>) = 0 [pid 5639] <... futex resumed>) = ? [pid 5637] <... exit_group resumed>) = ? [pid 5642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5641] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5640] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5639] +++ exited with 0 +++ [pid 5637] +++ exited with 0 +++ [pid 5642] <... mmap resumed>) = 0x7ff12c95c000 [pid 5641] <... mprotect resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5643 attached [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5637, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5642] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5641] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5640] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5643] set_robust_list(0x555581d606a0, 24 [pid 5642] <... mprotect resumed>) = 0 [pid 5643] <... set_robust_list resumed>) = 0 [pid 5642] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5641] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5640] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5072] <... restart_syscall resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5643 ./strace-static-x86_64: Process 5644 attached [pid 5643] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5642] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5641] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5645 attached [pid 5644] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5643] <... prctl resumed>) = 0 [pid 5642] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5640] <... clone3 resumed> => {parent_tid=[5644]}, 88) = 5644 [pid 5645] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5644] <... rseq resumed>) = 0 [pid 5643] setpgid(0, 0 [pid 5640] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5643] <... setpgid resumed>) = 0 [pid 5640] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5645] <... rseq resumed>) = 0 [pid 5644] set_robust_list(0x7ff12c97c9a0, 24 [pid 5641] <... clone3 resumed> => {parent_tid=[5645]}, 88) = 5645 [pid 5645] set_robust_list(0x7ff12c97c9a0, 24 [pid 5644] <... set_robust_list resumed>) = 0 [pid 5641] rt_sigprocmask(SIG_SETMASK, [], [pid 5645] <... set_robust_list resumed>) = 0 [pid 5644] rt_sigprocmask(SIG_SETMASK, [], [pid 5641] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5645] rt_sigprocmask(SIG_SETMASK, [], [pid 5644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5642] <... clone3 resumed> => {parent_tid=[5646]}, 88) = 5646 [pid 5641] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5644] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5642] rt_sigprocmask(SIG_SETMASK, [], [pid 5641] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5646 attached [pid 5645] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5642] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5641] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5647 attached [pid 5645] <... openat resumed>) = 3 [pid 5644] <... futex resumed>) = 0 [pid 5643] <... openat resumed>) = 3 [pid 5642] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] <... futex resumed>) = 1 [pid 5645] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5642] <... futex resumed>) = 0 [pid 5647] set_robust_list(0x555581d606a0, 24 [pid 5646] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5645] <... futex resumed>) = 1 [pid 5644] <... openat resumed>) = 3 [pid 5643] write(3, "1000", 4 [pid 5641] <... futex resumed>) = 0 [pid 5640] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5647 [pid 5642] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5647] <... set_robust_list resumed>) = 0 [pid 5646] <... rseq resumed>) = 0 [pid 5645] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5644] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] <... write resumed>) = 4 [pid 5641] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5647] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5646] set_robust_list(0x7ff12c97c9a0, 24 [pid 5645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5644] <... futex resumed>) = 0 [pid 5641] <... futex resumed>) = 0 [pid 5643] close(3 [pid 5640] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] <... set_robust_list resumed>) = 0 [pid 5641] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5645] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5644] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5647] <... prctl resumed>) = 0 [pid 5646] rt_sigprocmask(SIG_SETMASK, [], [pid 5643] <... close resumed>) = 0 [pid 5640] <... futex resumed>) = 0 [pid 5646] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5646] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5645] <... ioctl resumed>) = 0 [pid 5640] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5647] setpgid(0, 0 [pid 5646] <... openat resumed>) = 3 [pid 5645] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] <... ioctl resumed>) = 0 [pid 5643] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] <... setpgid resumed>) = 0 [pid 5646] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] <... futex resumed>) = 1 [pid 5646] <... futex resumed>) = 1 [pid 5642] <... futex resumed>) = 0 [pid 5646] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5642] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5645] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5642] <... futex resumed>) = 0 [pid 5644] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5646] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5644] <... futex resumed>) = 1 [pid 5643] <... futex resumed>) = 0 [pid 5642] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5641] <... futex resumed>) = 0 [pid 5640] <... futex resumed>) = 0 [pid 5646] <... ioctl resumed>) = 0 [pid 5644] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5643] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5640] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5643] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5641] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] <... futex resumed>) = 1 [pid 5644] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5643] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5642] <... futex resumed>) = 0 [pid 5640] <... futex resumed>) = 0 [pid 5646] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5642] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5642] <... futex resumed>) = 0 [pid 5646] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5642] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5646] <... ioctl resumed>) = 0 [pid 5646] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] <... openat resumed>) = 3 [pid 5645] <... futex resumed>) = 0 [pid 5644] <... ioctl resumed>) = 0 [pid 5643] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5641] <... futex resumed>) = 1 [pid 5640] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5647] write(3, "1000", 4 [pid 5646] <... futex resumed>) = 1 [pid 5645] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5644] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5642] <... futex resumed>) = 0 [pid 5641] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5647] <... write resumed>) = 4 [pid 5646] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5645] <... ioctl resumed>) = 0 [pid 5644] <... futex resumed>) = 1 [pid 5643] <... mmap resumed>) = 0x7ff12c95c000 [pid 5642] exit_group(0 [pid 5640] <... futex resumed>) = 0 [pid 5647] close(3 [pid 5646] <... futex resumed>) = ? [pid 5645] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5643] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5642] <... exit_group resumed>) = ? [pid 5640] exit_group(0 [pid 5647] <... close resumed>) = 0 [pid 5646] +++ exited with 0 +++ [pid 5645] <... futex resumed>) = 1 [pid 5644] <... futex resumed>) = ? [pid 5643] <... mprotect resumed>) = 0 [pid 5642] +++ exited with 0 +++ [pid 5641] <... futex resumed>) = 0 [pid 5640] <... exit_group resumed>) = ? [pid 5647] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5644] +++ exited with 0 +++ [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5642, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5647] <... futex resumed>) = 0 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5647] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5066] <... restart_syscall resumed>) = 0 [pid 5647] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5647] <... mmap resumed>) = 0x7ff12c95c000 [pid 5643] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5641] exit_group(0 [pid 5640] +++ exited with 0 +++ [pid 5645] <... futex resumed>) = ? [pid 5641] <... exit_group resumed>) = ? [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5640, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5645] +++ exited with 0 +++ ./strace-static-x86_64: Process 5648 attached [pid 5647] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5648] set_robust_list(0x555581d606a0, 24 [pid 5647] <... mprotect resumed>) = 0 [pid 5648] <... set_robust_list resumed>) = 0 [pid 5647] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5648] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5647] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5648] <... prctl resumed>) = 0 [pid 5647] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5648 [pid 5648] setpgid(0, 0) = 0 [pid 5647] <... clone3 resumed> => {parent_tid=[5649]}, 88) = 5649 [pid 5648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5647] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5649 attached NULL, 8) = 0 [pid 5641] +++ exited with 0 +++ [pid 5648] <... openat resumed>) = 3 [pid 5643] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5649] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5647] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5647] <... futex resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5641, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5648] write(3, "1000", 4 [pid 5647] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5648] <... write resumed>) = 4 [pid 5065] <... restart_syscall resumed>) = 0 [pid 5648] close(3) = 0 [pid 5648] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5651 attached ./strace-static-x86_64: Process 5650 attached [pid 5649] <... rseq resumed>) = 0 [pid 5648] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5650 ./strace-static-x86_64: Process 5652 attached [pid 5651] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5649] set_robust_list(0x7ff12c97c9a0, 24 [pid 5643] <... clone3 resumed> => {parent_tid=[5651]}, 88) = 5651 [pid 5651] <... rseq resumed>) = 0 [pid 5643] rt_sigprocmask(SIG_SETMASK, [], [pid 5651] set_robust_list(0x7ff12c97c9a0, 24 [pid 5643] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5651] <... set_robust_list resumed>) = 0 [pid 5643] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] rt_sigprocmask(SIG_SETMASK, [], [pid 5649] <... set_robust_list resumed>) = 0 [pid 5643] <... futex resumed>) = 0 [pid 5651] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5649] rt_sigprocmask(SIG_SETMASK, [], [pid 5643] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5650] set_robust_list(0x555581d606a0, 24 [pid 5648] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5652 [pid 5652] set_robust_list(0x555581d606a0, 24 [pid 5651] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5650] <... set_robust_list resumed>) = 0 [pid 5649] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5648] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5652] <... set_robust_list resumed>) = 0 [pid 5650] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5649] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5648] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5651] <... openat resumed>) = 3 [pid 5650] <... prctl resumed>) = 0 [pid 5648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5650] setpgid(0, 0 [pid 5648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5652] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5650] <... setpgid resumed>) = 0 [pid 5648] <... mmap resumed>) = 0x7ff12c95c000 [pid 5651] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5649] <... openat resumed>) = 3 [pid 5648] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5652] <... prctl resumed>) = 0 [pid 5651] <... futex resumed>) = 1 [pid 5650] <... openat resumed>) = 3 [pid 5648] <... mprotect resumed>) = 0 [pid 5643] <... futex resumed>) = 0 [pid 5648] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5650] write(3, "1000", 4 [pid 5648] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5652] setpgid(0, 0 [pid 5651] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5650] <... write resumed>) = 4 [pid 5649] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5643] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5653 attached [pid 5650] close(3 [pid 5653] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5650] <... close resumed>) = 0 [pid 5648] <... clone3 resumed> => {parent_tid=[5653]}, 88) = 5653 [pid 5653] <... rseq resumed>) = 0 [pid 5652] <... setpgid resumed>) = 0 [pid 5651] <... ioctl resumed>) = 0 [pid 5650] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... futex resumed>) = 1 [pid 5648] rt_sigprocmask(SIG_SETMASK, [], [pid 5647] <... futex resumed>) = 0 [pid 5643] <... futex resumed>) = 0 [pid 5653] set_robust_list(0x7ff12c97c9a0, 24 [pid 5650] <... futex resumed>) = 0 [pid 5648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5647] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] <... set_robust_list resumed>) = 0 [pid 5652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5651] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5650] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5649] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5648] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] <... futex resumed>) = 0 [pid 5643] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5653] rt_sigprocmask(SIG_SETMASK, [], [pid 5651] <... futex resumed>) = 0 [pid 5650] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5649] <... ioctl resumed>) = 0 [pid 5648] <... futex resumed>) = 0 [pid 5647] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5651] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5650] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5649] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5643] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5652] <... openat resumed>) = 3 [pid 5651] <... ioctl resumed>) = 0 [pid 5650] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5649] <... futex resumed>) = 0 [pid 5647] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] <... futex resumed>) = 0 [pid 5653] <... openat resumed>) = 3 [pid 5650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5647] <... futex resumed>) = 0 [pid 5649] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5651] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5643] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5652] write(3, "1000", 4) = 4 [pid 5651] <... futex resumed>) = 0 [pid 5649] <... ioctl resumed>) = 0 [pid 5643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5651] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5643] exit_group(0 [pid 5653] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] close(3 [pid 5651] <... futex resumed>) = ? [pid 5650] <... mmap resumed>) = 0x7ff12c95c000 [pid 5649] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5643] <... exit_group resumed>) = ? [pid 5653] <... futex resumed>) = 1 [pid 5652] <... close resumed>) = 0 [pid 5651] +++ exited with 0 +++ [pid 5650] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5649] <... futex resumed>) = 0 [pid 5648] <... futex resumed>) = 0 [pid 5647] exit_group(0 [pid 5653] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5652] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5650] <... mprotect resumed>) = 0 [pid 5647] <... exit_group resumed>) = ? [pid 5650] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5648] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] <... futex resumed>) = 0 [pid 5648] <... futex resumed>) = 1 [pid 5653] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5648] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5653] <... ioctl resumed>) = 0 [pid 5650] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5653] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5648] <... futex resumed>) = 0 [pid 5652] <... futex resumed>) = 0 [pid 5652] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, ./strace-static-x86_64: Process 5654 attached [pid 5653] <... futex resumed>) = 1 [pid 5652] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5648] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5654] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5653] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5650] <... clone3 resumed> => {parent_tid=[5654]}, 88) = 5654 [pid 5648] <... futex resumed>) = 0 [pid 5654] <... rseq resumed>) = 0 [pid 5653] <... ioctl resumed>) = 0 [pid 5650] rt_sigprocmask(SIG_SETMASK, [], [pid 5648] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5654] set_robust_list(0x7ff12c97c9a0, 24 [pid 5653] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5650] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5654] <... set_robust_list resumed>) = 0 [pid 5653] <... futex resumed>) = 0 [pid 5650] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] exit_group(0 [pid 5654] rt_sigprocmask(SIG_SETMASK, [], [pid 5650] <... futex resumed>) = 0 [pid 5648] <... exit_group resumed>) = ? [pid 5654] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5653] +++ exited with 0 +++ [pid 5650] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5654] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3 [pid 5654] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5649] +++ exited with 0 +++ [pid 5647] +++ exited with 0 +++ [pid 5654] <... futex resumed>) = 1 [pid 5652] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5650] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5647, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5654] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5652] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5650] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] +++ exited with 0 +++ [pid 5643] +++ exited with 0 +++ [pid 5654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5652] <... mmap resumed>) = 0x7ff12c95c000 [pid 5650] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5643, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5648, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5654] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5652] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5650] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5654] <... ioctl resumed>) = 0 [pid 5654] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] <... mprotect resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5654] <... futex resumed>) = 1 [pid 5650] <... futex resumed>) = 0 [pid 5654] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5650] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5650] <... futex resumed>) = 0 [pid 5654] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5650] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5654] <... ioctl resumed>) = 0 [pid 5654] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5655 attached [pid 5652] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5655] set_robust_list(0x555581d606a0, 24 [pid 5654] <... futex resumed>) = 1 [pid 5652] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5650] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5655 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5650] exit_group(0 [pid 5652] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5650] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5658 attached ./strace-static-x86_64: Process 5657 attached ./strace-static-x86_64: Process 5656 attached [pid 5655] <... set_robust_list resumed>) = 0 [pid 5654] +++ exited with 0 +++ [pid 5650] +++ exited with 0 +++ [pid 5656] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5657] set_robust_list(0x555581d606a0, 24 [pid 5658] set_robust_list(0x555581d606a0, 24 [pid 5657] <... set_robust_list resumed>) = 0 [pid 5656] <... rseq resumed>) = 0 [pid 5655] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5652] <... clone3 resumed> => {parent_tid=[5656]}, 88) = 5656 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5658 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5657 [pid 5658] <... set_robust_list resumed>) = 0 [pid 5657] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5656] set_robust_list(0x7ff12c97c9a0, 24 [pid 5655] <... prctl resumed>) = 0 [pid 5652] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5650, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5657] <... prctl resumed>) = 0 [pid 5656] <... set_robust_list resumed>) = 0 [pid 5655] setpgid(0, 0 [pid 5652] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5658] <... prctl resumed>) = 0 [pid 5657] setpgid(0, 0 [pid 5656] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5657] <... setpgid resumed>) = 0 [pid 5656] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5658] setpgid(0, 0 [pid 5657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5655] <... setpgid resumed>) = 0 [pid 5652] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] <... setpgid resumed>) = 0 [pid 5656] <... futex resumed>) = 0 [pid 5655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5652] <... futex resumed>) = 1 [pid 5658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5656] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5655] <... openat resumed>) = 3 [pid 5652] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5657] <... openat resumed>) = 3 [pid 5655] write(3, "1000", 4) = 4 [pid 5655] close(3./strace-static-x86_64: Process 5659 attached ) = 0 [pid 5659] set_robust_list(0x555581d606a0, 24 [pid 5656] <... openat resumed>) = 3 [pid 5655] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] <... openat resumed>) = 3 [pid 5657] write(3, "1000", 4 [pid 5656] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5659 [pid 5659] <... set_robust_list resumed>) = 0 [pid 5658] write(3, "1000", 4 [pid 5655] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5659] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5658] <... write resumed>) = 4 [pid 5657] <... write resumed>) = 4 [pid 5656] <... futex resumed>) = 1 [pid 5655] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5652] <... futex resumed>) = 0 [pid 5659] <... prctl resumed>) = 0 [pid 5658] close(3 [pid 5657] close(3 [pid 5656] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5655] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5658] <... close resumed>) = 0 [pid 5657] <... close resumed>) = 0 [pid 5655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5658] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] setpgid(0, 0 [pid 5657] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5652] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] <... futex resumed>) = 0 [pid 5659] <... setpgid resumed>) = 0 [pid 5657] <... futex resumed>) = 0 [pid 5656] <... futex resumed>) = 0 [pid 5655] <... mmap resumed>) = 0x7ff12c95c000 [pid 5652] <... futex resumed>) = 1 [pid 5658] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5657] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5656] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5655] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5652] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5657] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5657] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5656] <... ioctl resumed>) = 0 [pid 5659] <... openat resumed>) = 3 [pid 5658] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5657] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5655] <... mprotect resumed>) = 0 [pid 5656] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5656] <... futex resumed>) = 1 [pid 5659] write(3, "1000", 4 [pid 5658] <... mmap resumed>) = 0x7ff12c95c000 [pid 5657] <... mmap resumed>) = 0x7ff12c95c000 [pid 5656] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5655] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5652] <... futex resumed>) = 0 [pid 5659] <... write resumed>) = 4 [pid 5658] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5657] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5655] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5652] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] close(3 [pid 5658] <... mprotect resumed>) = 0 [pid 5657] <... mprotect resumed>) = 0 [pid 5656] <... futex resumed>) = 0 [pid 5655] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5652] <... futex resumed>) = 1 [pid 5659] <... close resumed>) = 0 [pid 5652] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5659] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5656] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5655] <... clone3 resumed> => {parent_tid=[5660]}, 88) = 5660 ./strace-static-x86_64: Process 5660 attached [pid 5659] <... futex resumed>) = 0 [pid 5657] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5660] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5659] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5658] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5656] <... ioctl resumed>) = 0 [pid 5655] rt_sigprocmask(SIG_SETMASK, [], [pid 5660] <... rseq resumed>) = 0 [pid 5658] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5657] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5656] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5660] set_robust_list(0x7ff12c97c9a0, 24 [pid 5659] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5659] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5661 attached [pid 5660] <... set_robust_list resumed>) = 0 [pid 5659] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5657] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5656] <... futex resumed>) = 1 [pid 5655] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5662 attached [pid 5660] rt_sigprocmask(SIG_SETMASK, [], [pid 5659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5658] <... clone3 resumed> => {parent_tid=[5661]}, 88) = 5661 [pid 5656] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5655] <... futex resumed>) = 0 [pid 5652] exit_group(0 [pid 5662] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5661] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5658] rt_sigprocmask(SIG_SETMASK, [], [pid 5657] <... clone3 resumed> => {parent_tid=[5662]}, 88) = 5662 [pid 5655] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5661] <... rseq resumed>) = 0 [pid 5658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5657] rt_sigprocmask(SIG_SETMASK, [], [pid 5661] set_robust_list(0x7ff12c97c9a0, 24 [pid 5658] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5661] <... set_robust_list resumed>) = 0 [pid 5658] <... futex resumed>) = 0 [pid 5657] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] rt_sigprocmask(SIG_SETMASK, [], [pid 5658] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5657] <... futex resumed>) = 0 [pid 5661] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5657] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5662] <... rseq resumed>) = 0 [pid 5661] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5660] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5659] <... mmap resumed>) = 0x7ff12c95c000 [pid 5656] <... futex resumed>) = ? [pid 5652] <... exit_group resumed>) = ? [pid 5662] set_robust_list(0x7ff12c97c9a0, 24 [pid 5661] <... openat resumed>) = 3 [pid 5660] <... openat resumed>) = 3 [pid 5662] <... set_robust_list resumed>) = 0 [pid 5660] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5662] rt_sigprocmask(SIG_SETMASK, [], [pid 5660] <... futex resumed>) = 1 [pid 5659] <... mprotect resumed>) = 0 [pid 5662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5661] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5659] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5655] <... futex resumed>) = 0 [pid 5662] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5661] <... futex resumed>) = 1 [pid 5660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5658] <... futex resumed>) = 0 [pid 5655] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] <... openat resumed>) = 3 [pid 5660] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5659] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5656] +++ exited with 0 +++ [pid 5652] +++ exited with 0 +++ [pid 5661] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5658] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] <... futex resumed>) = 0 [pid 5662] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] <... ioctl resumed>) = 0 [pid 5660] <... ioctl resumed>) = 0 [pid 5659] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5658] <... futex resumed>) = 0 [pid 5655] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5652, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5662] <... futex resumed>) = 1 [pid 5661] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5657] <... futex resumed>) = 0 [pid 5655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5065] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5663 attached [pid 5662] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5661] <... futex resumed>) = 0 [pid 5660] <... futex resumed>) = 0 [pid 5065] <... restart_syscall resumed>) = 0 [pid 5658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5663] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5661] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5660] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5659] <... clone3 resumed> => {parent_tid=[5663]}, 88) = 5663 [pid 5658] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5663] <... rseq resumed>) = 0 [pid 5662] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5661] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5660] <... ioctl resumed>) = 0 [pid 5659] rt_sigprocmask(SIG_SETMASK, [], [pid 5658] <... futex resumed>) = 0 [pid 5657] <... futex resumed>) = 0 [pid 5655] <... futex resumed>) = 0 [pid 5663] set_robust_list(0x7ff12c97c9a0, 24 [pid 5662] <... ioctl resumed>) = 0 [pid 5661] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5659] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5658] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5657] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5655] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5663] <... set_robust_list resumed>) = 0 [pid 5661] <... ioctl resumed>) = 0 [pid 5663] rt_sigprocmask(SIG_SETMASK, [], [pid 5661] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5663] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5663] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5661] <... futex resumed>) = 1 [pid 5658] <... futex resumed>) = 0 [pid 5661] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5662] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] exit_group(0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5664 attached [pid 5663] <... futex resumed>) = 0 [pid 5662] <... futex resumed>) = 1 [pid 5661] <... futex resumed>) = ? [pid 5660] <... futex resumed>) = 1 [pid 5659] <... futex resumed>) = 1 [pid 5658] <... exit_group resumed>) = ? [pid 5657] <... futex resumed>) = 0 [pid 5655] <... futex resumed>) = 0 [pid 5664] set_robust_list(0x555581d606a0, 24 [pid 5662] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5660] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5659] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5663] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5661] +++ exited with 0 +++ [pid 5657] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] <... set_robust_list resumed>) = 0 [pid 5662] <... futex resumed>) = 0 [pid 5657] <... futex resumed>) = 1 [pid 5655] exit_group(0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5664 [pid 5664] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5662] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5664] <... prctl resumed>) = 0 [pid 5662] <... ioctl resumed>) = 0 [pid 5660] <... futex resumed>) = ? [pid 5657] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5655] <... exit_group resumed>) = ? [pid 5662] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] +++ exited with 0 +++ [pid 5663] <... openat resumed>) = 3 [pid 5662] <... futex resumed>) = 0 [pid 5662] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5664] setpgid(0, 0 [pid 5658] +++ exited with 0 +++ [pid 5657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5657] exit_group(0 [pid 5664] <... setpgid resumed>) = 0 [pid 5663] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] +++ exited with 0 +++ [pid 5663] <... futex resumed>) = 1 [pid 5662] <... futex resumed>) = ? [pid 5659] <... futex resumed>) = 0 [pid 5657] <... exit_group resumed>) = ? [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5658, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5663] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5664] <... openat resumed>) = 3 [pid 5663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5662] +++ exited with 0 +++ [pid 5659] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5655, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5664] write(3, "1000", 4 [pid 5663] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5659] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5657, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5659] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5663] <... ioctl resumed>) = 0 [pid 5664] <... write resumed>) = 4 [pid 5663] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5664] close(3./strace-static-x86_64: Process 5665 attached ./strace-static-x86_64: Process 5666 attached ) = 0 [pid 5663] <... futex resumed>) = 1 [pid 5659] <... futex resumed>) = 0 [pid 5663] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5659] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] set_robust_list(0x555581d606a0, 24 [pid 5666] set_robust_list(0x555581d606a0, 24 [pid 5664] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5659] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5665 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5666 [pid 5665] <... set_robust_list resumed>) = 0 [pid 5666] <... set_robust_list resumed>) = 0 [pid 5665] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5664] <... futex resumed>) = 0 [pid 5663] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5659] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5666] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5665] <... prctl resumed>) = 0 [pid 5664] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5663] <... ioctl resumed>) = 0 [pid 5666] <... prctl resumed>) = 0 [pid 5665] setpgid(0, 0 [pid 5664] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5663] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5659] <... futex resumed>) = 0 [pid 5666] setpgid(0, 0 [pid 5665] <... setpgid resumed>) = 0 [pid 5664] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5663] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5659] exit_group(0 [pid 5666] <... setpgid resumed>) = 0 [pid 5665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5664] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5663] <... futex resumed>) = ? [pid 5659] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5667 attached [pid 5666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5665] <... openat resumed>) = 3 [pid 5664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5663] +++ exited with 0 +++ [pid 5659] +++ exited with 0 +++ [pid 5667] set_robust_list(0x555581d606a0, 24 [pid 5665] write(3, "1000", 4 [pid 5667] <... set_robust_list resumed>) = 0 [pid 5664] <... mmap resumed>) = 0x7ff12c95c000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5659, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5667 [pid 5665] <... write resumed>) = 4 [pid 5667] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5665] close(3 [pid 5666] <... openat resumed>) = 3 [pid 5665] <... close resumed>) = 0 [pid 5667] <... prctl resumed>) = 0 [pid 5664] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5070] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5664] <... mprotect resumed>) = 0 [pid 5665] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] setpgid(0, 0 [pid 5666] write(3, "1000", 4 [pid 5665] <... futex resumed>) = 0 [pid 5664] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5665] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5667] <... setpgid resumed>) = 0 [pid 5666] <... write resumed>) = 4 [pid 5665] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5664] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5666] close(3 [pid 5665] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5664] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5666] <... close resumed>) = 0 [pid 5665] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5667] write(3, "1000", 4./strace-static-x86_64: Process 5669 attached ./strace-static-x86_64: Process 5668 attached [pid 5666] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5669] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5668] set_robust_list(0x555581d606a0, 24 [pid 5667] <... write resumed>) = 4 [pid 5666] <... futex resumed>) = 0 [pid 5665] <... mmap resumed>) = 0x7ff12c95c000 [pid 5664] <... clone3 resumed> => {parent_tid=[5669]}, 88) = 5669 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5668 [pid 5669] <... rseq resumed>) = 0 [pid 5668] <... set_robust_list resumed>) = 0 [pid 5667] close(3 [pid 5666] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5665] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5664] rt_sigprocmask(SIG_SETMASK, [], [pid 5669] set_robust_list(0x7ff12c97c9a0, 24 [pid 5668] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5667] <... close resumed>) = 0 [pid 5666] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5665] <... mprotect resumed>) = 0 [pid 5664] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5669] <... set_robust_list resumed>) = 0 [pid 5668] <... prctl resumed>) = 0 [pid 5667] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5665] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5664] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] rt_sigprocmask(SIG_SETMASK, [], [pid 5668] setpgid(0, 0 [pid 5667] <... futex resumed>) = 0 [pid 5666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5665] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5664] <... futex resumed>) = 0 [pid 5669] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5668] <... setpgid resumed>) = 0 [pid 5667] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5665] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5664] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5669] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5667] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5666] <... mmap resumed>) = 0x7ff12c95c000 ./strace-static-x86_64: Process 5670 attached [pid 5669] <... openat resumed>) = 3 [pid 5667] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5666] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5670] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5669] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] <... openat resumed>) = 3 [pid 5667] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5666] <... mprotect resumed>) = 0 [pid 5665] <... clone3 resumed> => {parent_tid=[5670]}, 88) = 5670 [pid 5670] <... rseq resumed>) = 0 [pid 5669] <... futex resumed>) = 1 [pid 5667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5664] <... futex resumed>) = 0 [pid 5670] set_robust_list(0x7ff12c97c9a0, 24 [pid 5669] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] write(3, "1000", 4 [pid 5667] <... mmap resumed>) = 0x7ff12c95c000 [pid 5666] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5665] rt_sigprocmask(SIG_SETMASK, [], [pid 5670] <... set_robust_list resumed>) = 0 [pid 5668] <... write resumed>) = 4 [pid 5667] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5664] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] rt_sigprocmask(SIG_SETMASK, [], [pid 5669] <... futex resumed>) = 0 [pid 5668] close(3 [pid 5667] <... mprotect resumed>) = 0 [pid 5666] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5665] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5664] <... futex resumed>) = 1 [pid 5670] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5669] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5668] <... close resumed>) = 0 [pid 5667] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5666] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5665] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5671 attached [pid 5670] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5669] <... ioctl resumed>) = 0 [pid 5668] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5665] <... futex resumed>) = 0 [pid 5671] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5670] <... openat resumed>) = 3 [pid 5669] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] <... futex resumed>) = 0 [pid 5667] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5666] <... clone3 resumed> => {parent_tid=[5671]}, 88) = 5671 [pid 5665] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5672 attached [pid 5671] <... rseq resumed>) = 0 [pid 5670] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] <... futex resumed>) = 1 [pid 5668] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5664] <... futex resumed>) = 0 [pid 5672] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5671] set_robust_list(0x7ff12c97c9a0, 24 [pid 5670] <... futex resumed>) = 0 [pid 5669] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5666] rt_sigprocmask(SIG_SETMASK, [], [pid 5665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5672] <... rseq resumed>) = 0 [pid 5671] <... set_robust_list resumed>) = 0 [pid 5670] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5667] <... clone3 resumed> => {parent_tid=[5672]}, 88) = 5672 [pid 5666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5665] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] set_robust_list(0x7ff12c97c9a0, 24 [pid 5671] rt_sigprocmask(SIG_SETMASK, [], [pid 5670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5669] <... futex resumed>) = 0 [pid 5668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5667] rt_sigprocmask(SIG_SETMASK, [], [pid 5666] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] <... futex resumed>) = 0 [pid 5664] <... futex resumed>) = 1 [pid 5672] <... set_robust_list resumed>) = 0 [pid 5671] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5670] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5669] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5667] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5666] <... futex resumed>) = 0 [pid 5665] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5664] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5672] rt_sigprocmask(SIG_SETMASK, [], [pid 5671] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5670] <... ioctl resumed>) = 0 [pid 5669] <... ioctl resumed>) = 0 [pid 5668] <... mmap resumed>) = 0x7ff12c95c000 [pid 5667] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5672] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5670] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] <... futex resumed>) = 0 [pid 5672] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5671] <... openat resumed>) = 3 [pid 5670] <... futex resumed>) = 1 [pid 5669] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5667] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5665] <... futex resumed>) = 0 [pid 5672] <... openat resumed>) = 3 [pid 5671] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5669] <... futex resumed>) = 1 [pid 5665] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] <... futex resumed>) = 0 [pid 5672] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] <... futex resumed>) = 1 [pid 5670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5666] <... futex resumed>) = 0 [pid 5665] <... futex resumed>) = 0 [pid 5672] <... futex resumed>) = 0 [pid 5671] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5670] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5666] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5672] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5670] <... ioctl resumed>) = 0 [pid 5666] <... futex resumed>) = 0 [pid 5671] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5670] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5671] <... ioctl resumed>) = 0 [pid 5670] <... futex resumed>) = 1 [pid 5669] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] <... mprotect resumed>) = 0 [pid 5667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5665] <... futex resumed>) = 0 [pid 5664] exit_group(0 [pid 5671] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5669] <... futex resumed>) = ? [pid 5668] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5667] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] <... exit_group resumed>) = ? [pid 5672] <... futex resumed>) = 0 [pid 5671] <... futex resumed>) = 1 [pid 5669] +++ exited with 0 +++ [pid 5667] <... futex resumed>) = 1 [pid 5666] <... futex resumed>) = 0 [pid 5665] exit_group(0 [pid 5672] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5671] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5667] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5666] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] +++ exited with 0 +++ [pid 5670] <... futex resumed>) = ? [pid 5665] <... exit_group resumed>) = ? [pid 5672] <... ioctl resumed>) = 0 [pid 5671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5670] +++ exited with 0 +++ [pid 5668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5666] <... futex resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5664, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5673 attached [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5673] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 5668] <... clone3 resumed> => {parent_tid=[5673]}, 88) = 5673 [pid 5065] <... restart_syscall resumed>) = 0 [pid 5673] set_robust_list(0x7ff12c97c9a0, 24 [pid 5668] rt_sigprocmask(SIG_SETMASK, [], [pid 5673] <... set_robust_list resumed>) = 0 [pid 5673] rt_sigprocmask(SIG_SETMASK, [], [pid 5668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5673] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5668] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5673] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5672] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5666] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5665] +++ exited with 0 +++ ./strace-static-x86_64: Process 5674 attached [pid 5673] <... openat resumed>) = 3 [pid 5672] <... futex resumed>) = 1 [pid 5668] <... futex resumed>) = 0 [pid 5667] <... futex resumed>) = 0 [pid 5674] set_robust_list(0x555581d606a0, 24 [pid 5672] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5671] <... ioctl resumed>) = 0 [pid 5668] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5667] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5665, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5674] <... set_robust_list resumed>) = 0 [pid 5672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5671] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5674] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5673] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5671] <... futex resumed>) = 1 [pid 5668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5667] <... futex resumed>) = 0 [pid 5666] <... futex resumed>) = 0 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5674] <... prctl resumed>) = 0 [pid 5673] <... futex resumed>) = 0 [pid 5672] <... ioctl resumed>) = 0 [pid 5671] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5674 [pid 5674] setpgid(0, 0 [pid 5673] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5672] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] <... futex resumed>) = 0 [pid 5667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5666] exit_group(0 [pid 5674] <... setpgid resumed>) = 0 [pid 5673] <... ioctl resumed>) = 0 [pid 5672] <... futex resumed>) = 0 [pid 5668] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5667] exit_group(0 [pid 5674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5673] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] <... futex resumed>) = ? [pid 5668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5667] <... exit_group resumed>) = ? [pid 5666] <... exit_group resumed>) = ? [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5673] <... futex resumed>) = 0 [pid 5668] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5673] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5668] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5673] <... ioctl resumed>) = 0 [pid 5673] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] <... futex resumed>) = 0 [pid 5668] exit_group(0 [pid 5673] <... futex resumed>) = ? [pid 5668] <... exit_group resumed>) = ? [pid 5673] +++ exited with 0 +++ [pid 5672] +++ exited with 0 +++ [pid 5671] +++ exited with 0 +++ [pid 5668] +++ exited with 0 +++ [pid 5667] +++ exited with 0 +++ [pid 5666] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5666, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5676 attached [pid 5674] <... openat resumed>) = 3 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5668, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5675 attached [pid 5676] set_robust_list(0x555581d606a0, 24 [pid 5674] write(3, "1000", 4 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5675 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5667, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5676] <... set_robust_list resumed>) = 0 [pid 5675] set_robust_list(0x555581d606a0, 24 [pid 5674] <... write resumed>) = 4 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5674] close(3 [pid 5675] <... set_robust_list resumed>) = 0 [pid 5675] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5674] <... close resumed>) = 0 [pid 5675] setpgid(0, 0) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5676 [pid 5675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5674] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5674] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, ./strace-static-x86_64: Process 5677 attached [pid 5676] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5675] <... openat resumed>) = 3 [pid 5674] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5677 [pid 5674] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5675] write(3, "1000", 4) = 4 [pid 5675] close(3) = 0 [pid 5675] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5678 attached ) = 0 [pid 5674] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5676] <... prctl resumed>) = 0 [pid 5677] set_robust_list(0x555581d606a0, 24 [pid 5678] set_robust_list(0x555581d606a0, 24 [pid 5677] <... set_robust_list resumed>) = 0 [pid 5676] setpgid(0, 0 [pid 5675] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5678 [pid 5678] <... set_robust_list resumed>) = 0 [pid 5677] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5676] <... setpgid resumed>) = 0 [pid 5675] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5674] <... mmap resumed>) = 0x7ff12c95c000 [pid 5678] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5677] <... prctl resumed>) = 0 [pid 5676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5675] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5674] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5678] <... prctl resumed>) = 0 [pid 5677] setpgid(0, 0 [pid 5675] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5674] <... mprotect resumed>) = 0 [pid 5678] setpgid(0, 0 [pid 5677] <... setpgid resumed>) = 0 [pid 5675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5675] <... mmap resumed>) = 0x7ff12c95c000 [pid 5674] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5676] <... openat resumed>) = 3 [pid 5678] <... setpgid resumed>) = 0 [pid 5676] write(3, "1000", 4 [pid 5675] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5677] <... openat resumed>) = 3 [pid 5676] <... write resumed>) = 4 [pid 5675] <... mprotect resumed>) = 0 [pid 5674] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5678] <... openat resumed>) = 3 [pid 5677] write(3, "1000", 4 [pid 5676] close(3 [pid 5675] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5678] write(3, "1000", 4 [pid 5677] <... write resumed>) = 4 [pid 5676] <... close resumed>) = 0 [pid 5675] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5674] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5678] <... write resumed>) = 4 [pid 5677] close(3 [pid 5676] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5679 attached ./strace-static-x86_64: Process 5680 attached [pid 5678] close(3 [pid 5677] <... close resumed>) = 0 [pid 5676] <... futex resumed>) = 0 [pid 5680] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5679] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5678] <... close resumed>) = 0 [pid 5679] <... rseq resumed>) = 0 [pid 5678] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... clone3 resumed> => {parent_tid=[5679]}, 88) = 5679 [pid 5680] <... rseq resumed>) = 0 [pid 5679] set_robust_list(0x7ff12c97c9a0, 24 [pid 5677] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5675] rt_sigprocmask(SIG_SETMASK, [], [pid 5674] <... clone3 resumed> => {parent_tid=[5680]}, 88) = 5680 [pid 5680] set_robust_list(0x7ff12c97c9a0, 24 [pid 5679] <... set_robust_list resumed>) = 0 [pid 5678] <... futex resumed>) = 0 [pid 5677] <... futex resumed>) = 0 [pid 5676] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5675] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5674] rt_sigprocmask(SIG_SETMASK, [], [pid 5680] <... set_robust_list resumed>) = 0 [pid 5679] rt_sigprocmask(SIG_SETMASK, [], [pid 5678] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5677] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5676] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5674] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5680] rt_sigprocmask(SIG_SETMASK, [], [pid 5677] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5676] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5674] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5677] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5674] <... futex resumed>) = 0 [pid 5680] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5679] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5678] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5677] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5676] <... mmap resumed>) = 0x7ff12c95c000 [pid 5675] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5674] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5680] <... openat resumed>) = 3 [pid 5679] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5678] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5676] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5675] <... futex resumed>) = 0 [pid 5680] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5679] <... openat resumed>) = 3 [pid 5678] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5677] <... mmap resumed>) = 0x7ff12c95c000 [pid 5676] <... mprotect resumed>) = 0 [pid 5675] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5680] <... futex resumed>) = 1 [pid 5679] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5677] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5674] <... futex resumed>) = 0 [pid 5680] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5679] <... futex resumed>) = 0 [pid 5678] <... mmap resumed>) = 0x7ff12c95c000 [pid 5676] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5677] <... mprotect resumed>) = 0 [pid 5675] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5674] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5679] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5678] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5677] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5676] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5675] <... futex resumed>) = 0 [pid 5674] <... futex resumed>) = 0 [pid 5680] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5677] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5676] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5674] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5680] <... ioctl resumed>) = 0 [pid 5677] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5679] <... ioctl resumed>) = 0 [pid 5678] <... mprotect resumed>) = 0 [pid 5675] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5681 attached [pid 5680] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5679] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5676] <... clone3 resumed> => {parent_tid=[5681]}, 88) = 5681 [pid 5675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5682 attached [pid 5681] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5680] <... futex resumed>) = 1 [pid 5679] <... futex resumed>) = 0 [pid 5678] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5677] <... clone3 resumed> => {parent_tid=[5682]}, 88) = 5682 [pid 5676] rt_sigprocmask(SIG_SETMASK, [], [pid 5675] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5674] <... futex resumed>) = 0 [pid 5682] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5681] <... rseq resumed>) = 0 [pid 5680] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5679] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5678] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5677] rt_sigprocmask(SIG_SETMASK, [], [pid 5676] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5675] <... futex resumed>) = 0 [pid 5674] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5683 attached [pid 5682] <... rseq resumed>) = 0 [pid 5681] set_robust_list(0x7ff12c97c9a0, 24 [pid 5680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5679] <... ioctl resumed>) = 0 [pid 5677] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5676] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5674] <... futex resumed>) = 0 [pid 5683] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5682] set_robust_list(0x7ff12c97c9a0, 24 [pid 5681] <... set_robust_list resumed>) = 0 [pid 5680] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5679] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] <... clone3 resumed> => {parent_tid=[5683]}, 88) = 5683 [pid 5677] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] <... futex resumed>) = 0 [pid 5675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5674] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5683] <... rseq resumed>) = 0 [pid 5682] <... set_robust_list resumed>) = 0 [pid 5681] rt_sigprocmask(SIG_SETMASK, [], [pid 5680] <... ioctl resumed>) = 0 [pid 5679] <... futex resumed>) = 0 [pid 5678] rt_sigprocmask(SIG_SETMASK, [], [pid 5677] <... futex resumed>) = 0 [pid 5676] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5675] exit_group(0 [pid 5683] set_robust_list(0x7ff12c97c9a0, 24 [pid 5682] rt_sigprocmask(SIG_SETMASK, [], [pid 5681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5680] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5677] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5675] <... exit_group resumed>) = ? [pid 5683] <... set_robust_list resumed>) = 0 [pid 5682] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5681] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5680] <... futex resumed>) = 1 [pid 5679] +++ exited with 0 +++ [pid 5678] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] +++ exited with 0 +++ [pid 5674] <... futex resumed>) = 0 [pid 5683] rt_sigprocmask(SIG_SETMASK, [], [pid 5682] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5681] <... openat resumed>) = 3 [pid 5680] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5678] <... futex resumed>) = 0 [pid 5674] exit_group(0 [pid 5683] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5682] <... openat resumed>) = 3 [pid 5681] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5674] <... exit_group resumed>) = ? [pid 5683] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5682] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] <... futex resumed>) = ? [pid 5683] <... openat resumed>) = 3 [pid 5682] <... futex resumed>) = 1 [pid 5677] <... futex resumed>) = 0 [pid 5682] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5677] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] <... futex resumed>) = 0 [pid 5677] <... futex resumed>) = 1 [pid 5683] <... futex resumed>) = 1 [pid 5682] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5678] <... futex resumed>) = 0 [pid 5677] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5683] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5682] <... ioctl resumed>) = 0 [pid 5678] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5682] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] <... futex resumed>) = 0 [pid 5677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5683] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5682] <... futex resumed>) = 0 [pid 5678] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5677] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] <... ioctl resumed>) = 0 [pid 5682] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5677] <... futex resumed>) = 0 [pid 5683] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] <... ioctl resumed>) = 0 [pid 5677] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5683] <... futex resumed>) = 1 [pid 5682] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] <... futex resumed>) = 0 [pid 5683] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5682] <... futex resumed>) = 1 [pid 5678] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] <... futex resumed>) = 0 [pid 5683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5683] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5682] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5678] <... futex resumed>) = 0 [pid 5677] exit_group(0 [pid 5683] <... ioctl resumed>) = 0 [pid 5678] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5683] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] <... futex resumed>) = ? [pid 5677] <... exit_group resumed>) = ? [pid 5683] <... futex resumed>) = 1 [pid 5682] +++ exited with 0 +++ [pid 5678] <... futex resumed>) = 0 [pid 5683] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5681] <... futex resumed>) = 1 [pid 5678] exit_group(0 [pid 5677] +++ exited with 0 +++ [pid 5676] <... futex resumed>) = 0 [pid 5683] <... futex resumed>) = ? [pid 5678] <... exit_group resumed>) = ? [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5675, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5683] +++ exited with 0 +++ [pid 5681] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5680] +++ exited with 0 +++ [pid 5678] +++ exited with 0 +++ [pid 5676] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5674] +++ exited with 0 +++ [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5676] <... futex resumed>) = 0 [pid 5676] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5677, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5681] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5674, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5681] <... ioctl resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5678, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5681] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5681] <... futex resumed>) = 1 [pid 5676] <... futex resumed>) = 0 [pid 5066] <... restart_syscall resumed>) = 0 [pid 5065] <... restart_syscall resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5685 attached ./strace-static-x86_64: Process 5684 attached [pid 5681] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5676] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5686 attached [pid 5685] set_robust_list(0x555581d606a0, 24 [pid 5684] set_robust_list(0x555581d606a0, 24 [pid 5681] <... ioctl resumed>) = 0 [pid 5676] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5684 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5685 [pid 5686] set_robust_list(0x555581d606a0, 24 [pid 5681] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5686] <... set_robust_list resumed>) = 0 [pid 5681] <... futex resumed>) = 0 [pid 5685] <... set_robust_list resumed>) = 0 [pid 5684] <... set_robust_list resumed>) = 0 [pid 5685] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5684] setpgid(0, 0 [pid 5685] <... prctl resumed>) = 0 [pid 5684] <... setpgid resumed>) = 0 [pid 5681] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5676] exit_group(0./strace-static-x86_64: Process 5687 attached [pid 5686] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5685] setpgid(0, 0 [pid 5684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5681] <... futex resumed>) = ? [pid 5676] <... exit_group resumed>) = ? [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5686 [pid 5686] <... prctl resumed>) = 0 [pid 5685] <... setpgid resumed>) = 0 [pid 5684] <... openat resumed>) = 3 [pid 5687] set_robust_list(0x555581d606a0, 24 [pid 5686] setpgid(0, 0 [pid 5685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5687 [pid 5687] <... set_robust_list resumed>) = 0 [pid 5686] <... setpgid resumed>) = 0 [pid 5685] <... openat resumed>) = 3 [pid 5684] write(3, "1000", 4 [pid 5681] +++ exited with 0 +++ [pid 5676] +++ exited with 0 +++ [pid 5686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5676, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5687] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5684] <... write resumed>) = 4 [pid 5685] write(3, "1000", 4 [pid 5684] close(3 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5687] <... prctl resumed>) = 0 [pid 5686] <... openat resumed>) = 3 [pid 5684] <... close resumed>) = 0 [pid 5687] setpgid(0, 0 [pid 5685] <... write resumed>) = 4 [pid 5687] <... setpgid resumed>) = 0 [pid 5686] write(3, "1000", 4 [pid 5684] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] close(3) = 0 [pid 5684] <... futex resumed>) = 0 [pid 5686] <... write resumed>) = 4 [pid 5687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5685] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] close(3 [pid 5684] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5686] <... close resumed>) = 0 [pid 5685] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5687] <... openat resumed>) = 3 [pid 5686] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5684] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5687] write(3, "1000", 4 [pid 5686] <... futex resumed>) = 0 [pid 5685] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5687] <... write resumed>) = 4 [pid 5686] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5684] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5687] close(3 [pid 5686] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5684] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5687] <... close resumed>) = 0 [pid 5686] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5686] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5687] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5685] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5684] <... mmap resumed>) = 0x7ff12c95c000 [pid 5685] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5687] <... futex resumed>) = 0 [pid 5686] <... mmap resumed>) = 0x7ff12c95c000 [pid 5685] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5684] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5687] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5686] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5685] <... mmap resumed>) = 0x7ff12c95c000 [pid 5687] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5685] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5688 attached ) = 0 [pid 5688] set_robust_list(0x555581d606a0, 24 [pid 5687] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5686] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5685] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5684] <... mprotect resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5688 [pid 5688] <... set_robust_list resumed>) = 0 [pid 5687] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5686] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5685] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5684] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5686] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5688] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5685] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5684] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5687] <... mmap resumed>) = 0x7ff12c95c000 [pid 5684] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5689 attached [pid 5688] <... prctl resumed>) = 0 [pid 5689] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 5689] set_robust_list(0x7ff12c97c9a0, 24./strace-static-x86_64: Process 5690 attached ) = 0 [pid 5687] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5691 attached [pid 5690] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5689] rt_sigprocmask(SIG_SETMASK, [], [pid 5688] setpgid(0, 0 [pid 5686] <... clone3 resumed> => {parent_tid=[5689]}, 88) = 5689 [pid 5684] <... clone3 resumed> => {parent_tid=[5690]}, 88) = 5690 [pid 5687] <... mprotect resumed>) = 0 [pid 5691] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5690] <... rseq resumed>) = 0 [pid 5689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5686] rt_sigprocmask(SIG_SETMASK, [], [pid 5685] <... clone3 resumed> => {parent_tid=[5691]}, 88) = 5691 [pid 5691] <... rseq resumed>) = 0 [pid 5690] set_robust_list(0x7ff12c97c9a0, 24 [pid 5689] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5688] <... setpgid resumed>) = 0 [pid 5687] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5685] rt_sigprocmask(SIG_SETMASK, [], [pid 5684] rt_sigprocmask(SIG_SETMASK, [], [pid 5686] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5691] set_robust_list(0x7ff12c97c9a0, 24 [pid 5690] <... set_robust_list resumed>) = 0 [pid 5686] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] <... set_robust_list resumed>) = 0 [pid 5690] rt_sigprocmask(SIG_SETMASK, [], [pid 5685] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5684] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5691] rt_sigprocmask(SIG_SETMASK, [], [pid 5690] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5689] <... futex resumed>) = 0 [pid 5688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5687] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5686] <... futex resumed>) = 1 [pid 5685] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5690] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5689] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5687] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5686] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5685] <... futex resumed>) = 0 [pid 5684] <... futex resumed>) = 0 [pid 5691] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3 [pid 5690] <... openat resumed>) = 3 [pid 5689] <... openat resumed>) = 3 [pid 5688] <... openat resumed>) = 3 [pid 5685] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5684] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5692 attached [pid 5691] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5692] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5691] <... futex resumed>) = 0 [pid 5690] <... futex resumed>) = 0 [pid 5689] <... futex resumed>) = 1 [pid 5686] <... futex resumed>) = 0 [pid 5692] <... rseq resumed>) = 0 [pid 5691] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5690] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5689] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5686] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] set_robust_list(0x7ff12c97c9a0, 24 [pid 5689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5686] <... futex resumed>) = 0 [pid 5692] <... set_robust_list resumed>) = 0 [pid 5689] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5686] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5692] rt_sigprocmask(SIG_SETMASK, [], [pid 5689] <... ioctl resumed>) = 0 [pid 5688] write(3, "1000", 4 [pid 5687] <... clone3 resumed> => {parent_tid=[5692]}, 88) = 5692 [pid 5685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5684] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5690] <... futex resumed>) = 0 [pid 5689] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5688] <... write resumed>) = 4 [pid 5687] rt_sigprocmask(SIG_SETMASK, [], [pid 5685] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] <... futex resumed>) = 1 [pid 5692] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5691] <... futex resumed>) = 0 [pid 5690] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5689] <... futex resumed>) = 1 [pid 5688] close(3 [pid 5687] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5686] <... futex resumed>) = 0 [pid 5685] <... futex resumed>) = 1 [pid 5684] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5691] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5690] <... ioctl resumed>) = 0 [pid 5689] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5688] <... close resumed>) = 0 [pid 5687] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5692] <... futex resumed>) = 0 [pid 5691] <... ioctl resumed>) = 0 [pid 5690] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5688] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5687] <... futex resumed>) = 1 [pid 5686] <... futex resumed>) = 0 [pid 5692] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5691] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... futex resumed>) = 1 [pid 5689] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5686] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5684] <... futex resumed>) = 0 [pid 5691] <... futex resumed>) = 1 [pid 5690] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5689] <... ioctl resumed>) = 0 [pid 5688] <... futex resumed>) = 0 [pid 5687] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5685] <... futex resumed>) = 0 [pid 5684] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] <... openat resumed>) = 3 [pid 5691] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5689] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5690] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5688] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5685] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] <... futex resumed>) = 0 [pid 5692] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5690] <... ioctl resumed>) = 0 [pid 5689] <... futex resumed>) = 1 [pid 5686] <... futex resumed>) = 0 [pid 5685] <... futex resumed>) = 0 [pid 5684] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5688] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5692] <... futex resumed>) = 1 [pid 5691] <... ioctl resumed>) = 0 [pid 5690] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5687] <... futex resumed>) = 0 [pid 5686] exit_group(0 [pid 5685] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5692] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5691] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... futex resumed>) = 0 [pid 5689] <... futex resumed>) = ? [pid 5688] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5687] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] <... exit_group resumed>) = ? [pid 5685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5684] exit_group(0 [pid 5692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5691] <... futex resumed>) = 0 [pid 5690] ???( [pid 5689] +++ exited with 0 +++ [pid 5688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5687] <... futex resumed>) = 0 [pid 5686] +++ exited with 0 +++ [pid 5685] exit_group(0 [pid 5684] <... exit_group resumed>) = ? [pid 5688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5687] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5685] <... exit_group resumed>) = ? [pid 5692] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5690] <... ??? resumed>) = ? [pid 5688] <... mmap resumed>) = 0x7ff12c95c000 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5686, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5692] <... ioctl resumed>) = 0 [pid 5691] +++ exited with 0 +++ [pid 5688] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5685] +++ exited with 0 +++ [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5692] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5685, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] <... restart_syscall resumed>) = 0 [pid 5692] <... futex resumed>) = 1 [pid 5690] +++ exited with 0 +++ [pid 5688] <... mprotect resumed>) = 0 [pid 5687] <... futex resumed>) = 0 [pid 5684] +++ exited with 0 +++ [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5692] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5687] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5687] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5684, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5692] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5687] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5692] <... ioctl resumed>) = 0 [pid 5688] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5692] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5687] <... futex resumed>) = 0 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5692] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5687] exit_group(0 [pid 5692] <... futex resumed>) = ? [pid 5687] <... exit_group resumed>) = ? [pid 5692] +++ exited with 0 +++ [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5688] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5693 [pid 5688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5693 attached [pid 5693] set_robust_list(0x555581d606a0, 24) = 0 [pid 5693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5693] setpgid(0, 0./strace-static-x86_64: Process 5695 attached ) = 0 [pid 5695] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5696 attached ./strace-static-x86_64: Process 5694 attached [pid 5695] <... rseq resumed>) = 0 [pid 5693] <... openat resumed>) = 3 [pid 5688] <... clone3 resumed> => {parent_tid=[5695]}, 88) = 5695 [pid 5687] +++ exited with 0 +++ [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5694 [pid 5696] set_robust_list(0x555581d606a0, 24 [pid 5695] set_robust_list(0x7ff12c97c9a0, 24 [pid 5688] rt_sigprocmask(SIG_SETMASK, [], [pid 5696] <... set_robust_list resumed>) = 0 [pid 5695] <... set_robust_list resumed>) = 0 [pid 5694] set_robust_list(0x555581d606a0, 24 [pid 5693] write(3, "1000", 4 [pid 5696] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5695] rt_sigprocmask(SIG_SETMASK, [], [pid 5694] <... set_robust_list resumed>) = 0 [pid 5693] <... write resumed>) = 4 [pid 5695] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5694] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5693] close(3 [pid 5696] <... prctl resumed>) = 0 [pid 5695] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5693] <... close resumed>) = 0 [pid 5696] setpgid(0, 0 [pid 5694] <... prctl resumed>) = 0 [pid 5693] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] <... setpgid resumed>) = 0 [pid 5694] setpgid(0, 0 [pid 5693] <... futex resumed>) = 0 [pid 5696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5694] <... setpgid resumed>) = 0 [pid 5693] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5696] <... openat resumed>) = 3 [pid 5694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5693] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5687, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5693] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5688] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5696 [pid 5696] write(3, "1000", 4 [pid 5695] <... futex resumed>) = 0 [pid 5694] <... openat resumed>) = 3 [pid 5693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5688] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5696] <... write resumed>) = 4 [pid 5695] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5696] close(3 [pid 5695] <... openat resumed>) = 3 [pid 5693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5696] <... close resumed>) = 0 [pid 5694] write(3, "1000", 4 [pid 5693] <... mmap resumed>) = 0x7ff12c95c000 [pid 5696] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] <... write resumed>) = 4 [pid 5693] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5696] <... futex resumed>) = 0 [pid 5695] <... futex resumed>) = 1 [pid 5694] close(3 [pid 5693] <... mprotect resumed>) = 0 [pid 5696] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5695] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5688] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5697 attached [pid 5688] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5697 [pid 5697] set_robust_list(0x555581d606a0, 24 [pid 5696] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5694] <... close resumed>) = 0 [pid 5693] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5688] <... futex resumed>) = 0 [pid 5697] <... set_robust_list resumed>) = 0 [pid 5696] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5695] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5694] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5695] <... ioctl resumed>) = 0 [pid 5694] <... futex resumed>) = 0 [pid 5693] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5688] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5697] <... prctl resumed>) = 0 [pid 5696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5695] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5693] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5698 attached [pid 5697] setpgid(0, 0 [pid 5696] <... mmap resumed>) = 0x7ff12c95c000 [pid 5695] <... futex resumed>) = 1 [pid 5694] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5688] <... futex resumed>) = 0 [pid 5698] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5697] <... setpgid resumed>) = 0 [pid 5696] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5695] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5694] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5698] <... rseq resumed>) = 0 [pid 5697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5696] <... mprotect resumed>) = 0 [pid 5694] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5693] <... clone3 resumed> => {parent_tid=[5698]}, 88) = 5698 [pid 5688] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5698] set_robust_list(0x7ff12c97c9a0, 24 [pid 5697] <... openat resumed>) = 3 [pid 5696] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5695] <... futex resumed>) = 0 [pid 5694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5693] rt_sigprocmask(SIG_SETMASK, [], [pid 5688] <... futex resumed>) = 1 [pid 5698] <... set_robust_list resumed>) = 0 [pid 5694] <... mmap resumed>) = 0x7ff12c95c000 [pid 5693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5696] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5695] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5694] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5693] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5698] rt_sigprocmask(SIG_SETMASK, [], [pid 5688] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5697] write(3, "1000", 4 [pid 5698] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5696] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5695] <... ioctl resumed>) = 0 [pid 5697] <... write resumed>) = 4 [pid 5694] <... mprotect resumed>) = 0 [pid 5693] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5699 attached [pid 5698] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5697] close(3 [pid 5695] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5699] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5698] <... openat resumed>) = 3 [pid 5697] <... close resumed>) = 0 [pid 5696] <... clone3 resumed> => {parent_tid=[5699]}, 88) = 5699 [pid 5695] <... futex resumed>) = 1 [pid 5694] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5688] <... futex resumed>) = 0 [pid 5699] <... rseq resumed>) = 0 [pid 5697] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] rt_sigprocmask(SIG_SETMASK, [], [pid 5695] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5698] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] set_robust_list(0x7ff12c97c9a0, 24 [pid 5697] <... futex resumed>) = 0 [pid 5696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5694] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5693] <... futex resumed>) = 0 [pid 5688] exit_group(0 [pid 5697] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5699] <... set_robust_list resumed>) = 0 [pid 5698] <... futex resumed>) = 1 [pid 5699] rt_sigprocmask(SIG_SETMASK, [], [pid 5698] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5697] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5696] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] <... futex resumed>) = ? [pid 5694] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5693] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5688] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5700 attached [pid 5699] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5698] <... ioctl resumed>) = 0 [pid 5697] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5696] <... futex resumed>) = 0 [pid 5695] +++ exited with 0 +++ [pid 5693] <... futex resumed>) = 0 [pid 5688] +++ exited with 0 +++ [pid 5700] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5699] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5698] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5696] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5694] <... clone3 resumed> => {parent_tid=[5700]}, 88) = 5700 [pid 5693] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5688, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5700] <... rseq resumed>) = 0 [pid 5698] <... futex resumed>) = 0 [pid 5697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5694] rt_sigprocmask(SIG_SETMASK, [], [pid 5693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5700] set_robust_list(0x7ff12c97c9a0, 24 [pid 5694] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5693] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... set_robust_list resumed>) = 0 [pid 5694] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] <... futex resumed>) = 0 [pid 5700] rt_sigprocmask(SIG_SETMASK, [], [pid 5698] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5697] <... mmap resumed>) = 0x7ff12c95c000 [pid 5694] <... futex resumed>) = 0 [pid 5693] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5700] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5698] <... ioctl resumed>) = 0 [pid 5694] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5700] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3 ./strace-static-x86_64: Process 5701 attached [pid 5699] <... openat resumed>) = 3 [pid 5698] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5701] set_robust_list(0x555581d606a0, 24 [pid 5700] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5698] <... futex resumed>) = 1 [pid 5697] <... mprotect resumed>) = 0 [pid 5693] <... futex resumed>) = 0 [pid 5699] <... futex resumed>) = 1 [pid 5698] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5699] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5701] <... set_robust_list resumed>) = 0 [pid 5700] <... futex resumed>) = 1 [pid 5697] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5696] <... futex resumed>) = 0 [pid 5694] <... futex resumed>) = 0 [pid 5693] exit_group(0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5701 [pid 5701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5700] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5698] <... futex resumed>) = ? [pid 5697] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5696] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] <... exit_group resumed>) = ? [pid 5701] <... prctl resumed>) = 0 [pid 5700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5699] <... futex resumed>) = 0 [pid 5698] +++ exited with 0 +++ [pid 5697] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5696] <... futex resumed>) = 1 [pid 5694] <... futex resumed>) = 0 [pid 5701] setpgid(0, 0 [pid 5700] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5699] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5696] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5694] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5702 attached [pid 5701] <... setpgid resumed>) = 0 [pid 5700] <... ioctl resumed>) = 0 [pid 5702] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5700] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] <... ioctl resumed>) = 0 [pid 5697] <... clone3 resumed> => {parent_tid=[5702]}, 88) = 5702 [pid 5700] <... futex resumed>) = 1 [pid 5699] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5700] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5699] <... futex resumed>) = 1 [pid 5697] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] <... rseq resumed>) = 0 [pid 5701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5699] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5697] <... futex resumed>) = 0 [pid 5696] <... futex resumed>) = 0 [pid 5694] <... futex resumed>) = 0 [pid 5702] set_robust_list(0x7ff12c97c9a0, 24 [pid 5701] <... openat resumed>) = 3 [pid 5699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5697] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5696] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] +++ exited with 0 +++ [pid 5702] <... set_robust_list resumed>) = 0 [pid 5700] <... futex resumed>) = 0 [pid 5699] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5696] <... futex resumed>) = 0 [pid 5694] <... futex resumed>) = 1 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5693, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5701] write(3, "1000", 4 [pid 5700] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5699] <... ioctl resumed>) = 0 [pid 5696] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5702] rt_sigprocmask(SIG_SETMASK, [], [pid 5701] <... write resumed>) = 4 [pid 5700] <... ioctl resumed>) = 0 [pid 5699] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5694] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5701] close(3 [pid 5700] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] <... futex resumed>) = 0 [pid 5696] exit_group(0 [pid 5694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5702] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5701] <... close resumed>) = 0 [pid 5700] <... futex resumed>) = 0 [pid 5696] <... exit_group resumed>) = ? [pid 5694] exit_group(0 [pid 5701] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] <... exit_group resumed>) = ? [pid 5702] <... openat resumed>) = 3 [pid 5701] <... futex resumed>) = 0 [pid 5701] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5701] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5702] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5703 attached NULL, 8) = 0 [pid 5702] <... futex resumed>) = 1 [pid 5701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5703] set_robust_list(0x555581d606a0, 24 [pid 5702] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5701] <... mmap resumed>) = 0x7ff12c95c000 [pid 5697] <... futex resumed>) = 0 [pid 5703] <... set_robust_list resumed>) = 0 [pid 5702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5701] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5697] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5701] <... mprotect resumed>) = 0 [pid 5697] <... futex resumed>) = 0 [pid 5697] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5699] +++ exited with 0 +++ [pid 5696] +++ exited with 0 +++ [pid 5703] <... prctl resumed>) = 0 [pid 5702] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5701] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5700] +++ exited with 0 +++ [pid 5694] +++ exited with 0 +++ [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5703 [pid 5703] setpgid(0, 0 [pid 5702] <... ioctl resumed>) = 0 [pid 5701] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5694, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5702] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5696, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5703] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5704 attached [pid 5702] <... futex resumed>) = 1 [pid 5697] <... futex resumed>) = 0 [pid 5702] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5701] <... clone3 resumed> => {parent_tid=[5704]}, 88) = 5704 [pid 5697] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5701] rt_sigprocmask(SIG_SETMASK, [], [pid 5704] <... rseq resumed>) = 0 [pid 5697] <... futex resumed>) = 0 [pid 5703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5704] set_robust_list(0x7ff12c97c9a0, 24 [pid 5702] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5697] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5704] <... set_robust_list resumed>) = 0 [pid 5702] <... ioctl resumed>) = 0 [pid 5701] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5704] rt_sigprocmask(SIG_SETMASK, [], [pid 5702] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] <... futex resumed>) = 0 [pid 5704] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5702] <... futex resumed>) = 1 [pid 5701] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5697] <... futex resumed>) = 0 [pid 5704] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5702] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5697] exit_group(0 [pid 5702] <... futex resumed>) = ? [pid 5697] <... exit_group resumed>) = ? [pid 5704] <... openat resumed>) = 3 [pid 5703] <... openat resumed>) = 3 [pid 5702] +++ exited with 0 +++ [pid 5697] +++ exited with 0 +++ [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5704] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] write(3, "1000", 4 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5705 attached ./strace-static-x86_64: Process 5706 attached [pid 5704] <... futex resumed>) = 1 [pid 5703] <... write resumed>) = 4 [pid 5704] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5703] close(3 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5697, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5706] set_robust_list(0x555581d606a0, 24 [pid 5705] set_robust_list(0x555581d606a0, 24 [pid 5701] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5705 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5706 [pid 5706] <... set_robust_list resumed>) = 0 [pid 5705] <... set_robust_list resumed>) = 0 [pid 5704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5703] <... close resumed>) = 0 [pid 5701] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5705] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5703] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] <... futex resumed>) = 0 [pid 5703] <... futex resumed>) = 0 [pid 5701] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5705] <... prctl resumed>) = 0 [pid 5704] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5703] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5706] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5705] setpgid(0, 0 [pid 5704] <... ioctl resumed>) = 0 [pid 5703] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5705] <... setpgid resumed>) = 0 [pid 5703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5706] <... prctl resumed>) = 0 [pid 5704] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] setpgid(0, 0 [pid 5705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5704] <... futex resumed>) = 1 [pid 5703] <... mmap resumed>) = 0x7ff12c95c000 [pid 5701] <... futex resumed>) = 0 [pid 5706] <... setpgid resumed>) = 0 [pid 5704] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5701] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5701] <... futex resumed>) = 0 [pid 5701] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5704] <... ioctl resumed>) = 0 [pid 5703] <... mprotect resumed>) = 0 [pid 5706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5705] <... openat resumed>) = 3 [pid 5704] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5705] write(3, "1000", 4 [pid 5704] <... futex resumed>) = 1 [pid 5701] <... futex resumed>) = 0 [pid 5706] <... openat resumed>) = 3 [pid 5701] exit_group(0) = ? [pid 5705] <... write resumed>) = 4 [pid 5703] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5703] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5708 attached ./strace-static-x86_64: Process 5707 attached [pid 5706] write(3, "1000", 4 [pid 5705] close(3 [pid 5704] +++ exited with 0 +++ [pid 5703] <... clone3 resumed> => {parent_tid=[5707]}, 88) = 5707 [pid 5701] +++ exited with 0 +++ [pid 5705] <... close resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5701, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5708] set_robust_list(0x555581d606a0, 24 [pid 5707] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5706] <... write resumed>) = 4 [pid 5705] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] rt_sigprocmask(SIG_SETMASK, [], [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5708 [pid 5708] <... set_robust_list resumed>) = 0 [pid 5707] <... rseq resumed>) = 0 [pid 5706] close(3 [pid 5703] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5707] set_robust_list(0x7ff12c97c9a0, 24 [pid 5706] <... close resumed>) = 0 [pid 5705] <... futex resumed>) = 0 [pid 5703] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] <... prctl resumed>) = 0 [pid 5707] <... set_robust_list resumed>) = 0 [pid 5706] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5703] <... futex resumed>) = 0 [pid 5708] setpgid(0, 0 [pid 5707] rt_sigprocmask(SIG_SETMASK, [], [pid 5706] <... futex resumed>) = 0 [pid 5705] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5703] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5708] <... setpgid resumed>) = 0 [pid 5707] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5706] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5707] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5705] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5707] <... openat resumed>) = 3 [pid 5706] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5705] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5708] <... openat resumed>) = 3 [pid 5706] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5705] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5707] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5708] write(3, "1000", 4 [pid 5707] <... futex resumed>) = 1 [pid 5706] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5703] <... futex resumed>) = 0 [pid 5708] <... write resumed>) = 4 [pid 5707] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5706] <... mmap resumed>) = 0x7ff12c95c000 [pid 5703] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] close(3 [pid 5707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5706] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5703] <... futex resumed>) = 0 [pid 5708] <... close resumed>) = 0 [pid 5707] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5706] <... mprotect resumed>) = 0 [pid 5703] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5708] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] <... ioctl resumed>) = 0 [pid 5706] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5708] <... futex resumed>) = 0 [pid 5707] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5707] <... futex resumed>) = 1 [pid 5706] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5703] <... futex resumed>) = 0 [pid 5708] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5707] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5706] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5703] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5709 attached [pid 5708] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5705] <... mmap resumed>) = 0x7ff12c95c000 [pid 5703] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5710 attached [pid 5709] set_robust_list(0x555581d606a0, 24 [pid 5708] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5707] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5710] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5709] <... set_robust_list resumed>) = 0 [pid 5708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5706] <... clone3 resumed> => {parent_tid=[5710]}, 88) = 5710 [pid 5705] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5703] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5710] <... rseq resumed>) = 0 [pid 5709] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5708] <... mmap resumed>) = 0x7ff12c95c000 [pid 5707] <... ioctl resumed>) = 0 [pid 5706] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5709 [pid 5710] set_robust_list(0x7ff12c97c9a0, 24 [pid 5709] <... prctl resumed>) = 0 [pid 5708] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5707] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5705] <... mprotect resumed>) = 0 [pid 5710] <... set_robust_list resumed>) = 0 [pid 5709] setpgid(0, 0 [pid 5708] <... mprotect resumed>) = 0 [pid 5707] <... futex resumed>) = 1 [pid 5706] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5703] <... futex resumed>) = 0 [pid 5710] rt_sigprocmask(SIG_SETMASK, [], [pid 5709] <... setpgid resumed>) = 0 [pid 5708] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5707] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5706] <... futex resumed>) = 0 [pid 5705] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5703] exit_group(0 [pid 5709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5705] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5708] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5707] <... futex resumed>) = ? [pid 5706] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5703] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5711 attached [pid 5710] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5709] <... openat resumed>) = 3 [pid 5708] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5707] +++ exited with 0 +++ [pid 5705] <... clone3 resumed> => {parent_tid=[5711]}, 88) = 5711 [pid 5703] +++ exited with 0 +++ ./strace-static-x86_64: Process 5712 attached [pid 5711] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5710] <... openat resumed>) = 3 [pid 5709] write(3, "1000", 4 [pid 5705] rt_sigprocmask(SIG_SETMASK, [], [pid 5711] <... rseq resumed>) = 0 [pid 5709] <... write resumed>) = 4 [pid 5708] <... clone3 resumed> => {parent_tid=[5712]}, 88) = 5712 [pid 5705] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5711] set_robust_list(0x7ff12c97c9a0, 24 [pid 5709] close(3 [pid 5708] rt_sigprocmask(SIG_SETMASK, [], [pid 5705] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] <... set_robust_list resumed>) = 0 [pid 5709] <... close resumed>) = 0 [pid 5708] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5705] <... futex resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5703, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5711] rt_sigprocmask(SIG_SETMASK, [], [pid 5708] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5711] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5709] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] <... futex resumed>) = 0 [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5711] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5708] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... restart_syscall resumed>) = 0 [pid 5709] <... futex resumed>) = 0 [pid 5712] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5711] <... openat resumed>) = 3 [pid 5710] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5712] <... rseq resumed>) = 0 [pid 5710] <... futex resumed>) = 1 [pid 5706] <... futex resumed>) = 0 [pid 5712] set_robust_list(0x7ff12c97c9a0, 24 [pid 5710] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5706] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5712] <... set_robust_list resumed>) = 0 [pid 5710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5706] <... futex resumed>) = 0 [pid 5712] rt_sigprocmask(SIG_SETMASK, [], [pid 5710] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5706] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5712] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5710] <... ioctl resumed>) = 0 [pid 5712] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5710] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5712] <... openat resumed>) = 3 [pid 5710] <... futex resumed>) = 1 [pid 5706] <... futex resumed>) = 0 [pid 5712] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5706] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5712] <... futex resumed>) = 1 [pid 5710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5708] <... futex resumed>) = 0 [pid 5706] <... futex resumed>) = 0 [pid 5712] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5710] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5708] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5710] <... ioctl resumed>) = 0 [pid 5708] <... futex resumed>) = 0 [pid 5712] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5710] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5712] <... ioctl resumed>) = 0 [pid 5710] <... futex resumed>) = 1 [pid 5709] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5706] <... futex resumed>) = 0 [pid 5712] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5709] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5706] exit_group(0 [pid 5712] <... futex resumed>) = 1 [pid 5711] <... futex resumed>) = 1 [pid 5710] <... futex resumed>) = ? [pid 5708] <... futex resumed>) = 0 [pid 5706] <... exit_group resumed>) = ? [pid 5705] <... futex resumed>) = 0 [pid 5712] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5711] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5710] +++ exited with 0 +++ [pid 5709] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5708] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] +++ exited with 0 +++ [pid 5705] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5708] <... futex resumed>) = 0 [pid 5705] <... futex resumed>) = 0 [pid 5712] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5708] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5706, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5712] <... ioctl resumed>) = 0 [pid 5712] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] <... futex resumed>) = 0 [pid 5712] <... futex resumed>) = 1 [pid 5708] exit_group(0 [pid 5712] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 5708] <... exit_group resumed>) = ? [pid 5712] +++ exited with 0 +++ [pid 5711] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080) = 0 [pid 5705] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5711] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] <... mmap resumed>) = 0x7ff12c95c000 [pid 5711] <... futex resumed>) = 1 [pid 5705] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5713 attached [pid 5705] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5711] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5713] set_robust_list(0x555581d606a0, 24 [pid 5705] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5713 [pid 5713] <... set_robust_list resumed>) = 0 [pid 5711] <... ioctl resumed>) = 0 [pid 5709] <... mprotect resumed>) = 0 [pid 5708] +++ exited with 0 +++ [pid 5705] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5713] setpgid(0, 0 [pid 5709] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5711] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5705] <... futex resumed>) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5708, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5705] exit_group(0) = ? [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5713] <... setpgid resumed>) = 0 [pid 5713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5713] write(3, "1000", 4./strace-static-x86_64: Process 5714 attached [pid 5711] +++ exited with 0 +++ [pid 5709] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5705] +++ exited with 0 +++ [pid 5066] <... restart_syscall resumed>) = 0 [pid 5714] set_robust_list(0x555581d606a0, 24 [pid 5713] <... write resumed>) = 4 [pid 5709] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5705, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- ./strace-static-x86_64: Process 5715 attached [pid 5714] <... set_robust_list resumed>) = 0 [pid 5713] close(3 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5714 [pid 5715] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5714] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5713] <... close resumed>) = 0 [pid 5709] <... clone3 resumed> => {parent_tid=[5715]}, 88) = 5715 [pid 5715] <... rseq resumed>) = 0 [pid 5715] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5715] rt_sigprocmask(SIG_SETMASK, [], [pid 5714] <... prctl resumed>) = 0 [pid 5713] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5716 attached [pid 5715] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5714] setpgid(0, 0 [pid 5713] <... futex resumed>) = 0 [pid 5709] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5717 attached [pid 5716] set_robust_list(0x555581d606a0, 24 [pid 5715] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5714] <... setpgid resumed>) = 0 [pid 5713] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5709] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] set_robust_list(0x555581d606a0, 24 [pid 5716] <... set_robust_list resumed>) = 0 [pid 5715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5717] <... set_robust_list resumed>) = 0 [pid 5716] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5715] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5713] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5709] <... futex resumed>) = 0 [pid 5717] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5716] <... prctl resumed>) = 0 [pid 5715] <... openat resumed>) = 3 [pid 5714] <... openat resumed>) = 3 [pid 5713] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5709] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5717] <... prctl resumed>) = 0 [pid 5716] setpgid(0, 0 [pid 5715] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] write(3, "1000", 4 [pid 5713] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5716 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5717 [pid 5717] setpgid(0, 0 [pid 5716] <... setpgid resumed>) = 0 [pid 5715] <... futex resumed>) = 0 [pid 5714] <... write resumed>) = 4 [pid 5709] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] close(3 [pid 5709] <... futex resumed>) = 0 [pid 5714] <... close resumed>) = 0 [pid 5709] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5717] <... setpgid resumed>) = 0 [pid 5716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5715] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5714] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5716] <... openat resumed>) = 3 [pid 5715] <... ioctl resumed>) = 0 [pid 5713] <... mmap resumed>) = 0x7ff12c95c000 [pid 5715] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5713] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5717] <... openat resumed>) = 3 [pid 5716] write(3, "1000", 4 [pid 5715] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5714] <... futex resumed>) = 0 [pid 5713] <... mprotect resumed>) = 0 [pid 5709] <... futex resumed>) = 0 [pid 5717] write(3, "1000", 4 [pid 5716] <... write resumed>) = 4 [pid 5714] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5709] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] <... write resumed>) = 4 [pid 5716] close(3 [pid 5715] <... futex resumed>) = 0 [pid 5714] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5713] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5709] <... futex resumed>) = 1 [pid 5717] close(3 [pid 5716] <... close resumed>) = 0 [pid 5714] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5709] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5715] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5717] <... close resumed>) = 0 [pid 5716] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5713] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5716] <... futex resumed>) = 0 [pid 5715] <... ioctl resumed>) = 0 [pid 5714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5716] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5714] <... mmap resumed>) = 0x7ff12c95c000 [pid 5716] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5714] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5716] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5714] <... mprotect resumed>) = 0 [pid 5716] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5717] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5715] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5713] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5717] <... futex resumed>) = 0 [pid 5716] <... mprotect resumed>) = 0 [pid 5715] <... futex resumed>) = 1 [pid 5714] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5709] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5718 attached [pid 5717] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5716] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5715] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5709] exit_group(0 [pid 5718] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5717] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5716] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5715] <... futex resumed>) = ? [pid 5714] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5713] <... clone3 resumed> => {parent_tid=[5718]}, 88) = 5718 [pid 5709] <... exit_group resumed>) = ? [pid 5718] <... rseq resumed>) = 0 [pid 5717] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5716] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5715] +++ exited with 0 +++ [pid 5714] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5713] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5720 attached ./strace-static-x86_64: Process 5719 attached [pid 5718] set_robust_list(0x7ff12c97c9a0, 24 [pid 5717] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5713] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5709] +++ exited with 0 +++ [pid 5720] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5719] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5718] <... set_robust_list resumed>) = 0 [pid 5717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5716] <... clone3 resumed> => {parent_tid=[5719]}, 88) = 5719 [pid 5714] <... clone3 resumed> => {parent_tid=[5720]}, 88) = 5720 [pid 5713] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5709, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5720] <... rseq resumed>) = 0 [pid 5719] <... rseq resumed>) = 0 [pid 5718] rt_sigprocmask(SIG_SETMASK, [], [pid 5717] <... mmap resumed>) = 0x7ff12c95c000 [pid 5716] rt_sigprocmask(SIG_SETMASK, [], [pid 5714] rt_sigprocmask(SIG_SETMASK, [], [pid 5713] <... futex resumed>) = 0 [pid 5720] set_robust_list(0x7ff12c97c9a0, 24 [pid 5719] set_robust_list(0x7ff12c97c9a0, 24 [pid 5718] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5717] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5716] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5714] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5713] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5720] <... set_robust_list resumed>) = 0 [pid 5719] <... set_robust_list resumed>) = 0 [pid 5718] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5717] <... mprotect resumed>) = 0 [pid 5716] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] rt_sigprocmask(SIG_SETMASK, [], [pid 5719] rt_sigprocmask(SIG_SETMASK, [], [pid 5717] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5716] <... futex resumed>) = 0 [pid 5714] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5720] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5719] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5718] <... openat resumed>) = 3 [pid 5716] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5714] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5720] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5718] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] <... openat resumed>) = 3 [pid 5718] <... futex resumed>) = 1 [pid 5718] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5720] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5721 attached [pid 5719] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5717] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5713] <... futex resumed>) = 0 [pid 5721] set_robust_list(0x555581d606a0, 24 [pid 5720] <... futex resumed>) = 1 [pid 5714] <... futex resumed>) = 0 [pid 5721] <... set_robust_list resumed>) = 0 [pid 5713] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5719] <... openat resumed>) = 3 [pid 5717] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5713] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5719] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5721 [pid 5718] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5719] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5722 attached [pid 5721] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5720] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5719] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5718] <... ioctl resumed>) = 0 [pid 5716] <... futex resumed>) = 0 [pid 5714] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5721] <... prctl resumed>) = 0 [pid 5720] <... ioctl resumed>) = 0 [pid 5718] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] <... clone3 resumed> => {parent_tid=[5722]}, 88) = 5722 [pid 5716] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] <... futex resumed>) = 0 [pid 5722] <... rseq resumed>) = 0 [pid 5721] setpgid(0, 0 [pid 5720] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] <... futex resumed>) = 0 [pid 5718] <... futex resumed>) = 1 [pid 5717] rt_sigprocmask(SIG_SETMASK, [], [pid 5716] <... futex resumed>) = 1 [pid 5714] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5713] <... futex resumed>) = 0 [pid 5722] set_robust_list(0x7ff12c97c9a0, 24 [pid 5721] <... setpgid resumed>) = 0 [pid 5720] <... futex resumed>) = 0 [pid 5719] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5718] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5717] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5716] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5713] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] <... set_robust_list resumed>) = 0 [pid 5720] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5717] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] rt_sigprocmask(SIG_SETMASK, [], [pid 5721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5720] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5719] <... ioctl resumed>) = 0 [pid 5718] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5717] <... futex resumed>) = 0 [pid 5714] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5713] <... futex resumed>) = 0 [pid 5722] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5721] <... openat resumed>) = 3 [pid 5720] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5719] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] <... futex resumed>) = 0 [pid 5722] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5720] <... ioctl resumed>) = 0 [pid 5719] <... futex resumed>) = 1 [pid 5718] <... ioctl resumed>) = 0 [pid 5717] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5716] <... futex resumed>) = 0 [pid 5714] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5713] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5722] <... openat resumed>) = 3 [pid 5721] write(3, "1000", 4 [pid 5720] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5718] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5721] <... write resumed>) = 4 [pid 5720] <... futex resumed>) = 0 [pid 5719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5716] <... futex resumed>) = 0 [pid 5714] exit_group(0 [pid 5721] close(3 [pid 5719] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5718] <... futex resumed>) = 0 [pid 5716] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5714] <... exit_group resumed>) = ? [pid 5722] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] <... close resumed>) = 0 [pid 5720] +++ exited with 0 +++ [pid 5719] <... ioctl resumed>) = 0 [pid 5718] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5714] +++ exited with 0 +++ [pid 5713] exit_group(0 [pid 5722] <... futex resumed>) = 1 [pid 5721] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] <... futex resumed>) = ? [pid 5717] <... futex resumed>) = 0 [pid 5713] <... exit_group resumed>) = ? [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5714, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5722] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5721] <... futex resumed>) = 0 [pid 5719] <... futex resumed>) = 1 [pid 5716] <... futex resumed>) = 0 [pid 5721] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5719] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5718] +++ exited with 0 +++ [pid 5717] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] exit_group(0 [pid 5722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5721] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5719] <... futex resumed>) = ? [pid 5716] <... exit_group resumed>) = ? [pid 5722] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5721] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5719] +++ exited with 0 +++ [pid 5717] <... futex resumed>) = 0 [pid 5716] +++ exited with 0 +++ [pid 5713] +++ exited with 0 +++ [pid 5722] <... ioctl resumed>) = 0 [pid 5717] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5721] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5722] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5713, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5722] <... futex resumed>) = 1 [pid 5721] <... mmap resumed>) = 0x7ff12c95c000 [pid 5717] <... futex resumed>) = 0 [pid 5721] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5717] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] <... mprotect resumed>) = 0 [pid 5721] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5716, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5723 attached [pid 5721] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5723] set_robust_list(0x555581d606a0, 24 [pid 5721] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5725 attached [pid 5723] <... set_robust_list resumed>) = 0 [pid 5722] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5717] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5723 ./strace-static-x86_64: Process 5724 attached [pid 5723] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5722] <... ioctl resumed>) = 0 [pid 5721] <... clone3 resumed> => {parent_tid=[5725]}, 88) = 5725 [pid 5717] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5724] set_robust_list(0x555581d606a0, 24 [pid 5721] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5721] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] <... set_robust_list resumed>) = 0 [pid 5721] <... futex resumed>) = 0 [pid 5724] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5726 attached [pid 5725] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5723] <... prctl resumed>) = 0 [pid 5722] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5724 [pid 5725] <... rseq resumed>) = 0 [pid 5723] setpgid(0, 0 [pid 5722] <... futex resumed>) = 1 [pid 5717] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5726 [pid 5726] set_robust_list(0x555581d606a0, 24 [pid 5725] set_robust_list(0x7ff12c97c9a0, 24 [pid 5724] <... prctl resumed>) = 0 [pid 5723] <... setpgid resumed>) = 0 [pid 5726] <... set_robust_list resumed>) = 0 [pid 5725] <... set_robust_list resumed>) = 0 [pid 5722] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5717] exit_group(0 [pid 5726] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5725] rt_sigprocmask(SIG_SETMASK, [], [pid 5724] setpgid(0, 0 [pid 5723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5722] <... futex resumed>) = ? [pid 5717] <... exit_group resumed>) = ? [pid 5726] <... prctl resumed>) = 0 [pid 5725] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5724] <... setpgid resumed>) = 0 [pid 5724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5726] setpgid(0, 0) = 0 [pid 5725] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5724] <... openat resumed>) = 3 [pid 5723] <... openat resumed>) = 3 [pid 5726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5725] <... openat resumed>) = 3 [pid 5723] write(3, "1000", 4 [pid 5726] <... openat resumed>) = 3 [pid 5725] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] write(3, "1000", 4 [pid 5723] <... write resumed>) = 4 [pid 5725] <... futex resumed>) = 1 [pid 5721] <... futex resumed>) = 0 [pid 5723] close(3 [pid 5725] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5721] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5723] <... close resumed>) = 0 [pid 5725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5722] +++ exited with 0 +++ [pid 5721] <... futex resumed>) = 0 [pid 5717] +++ exited with 0 +++ [pid 5723] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5723] <... futex resumed>) = 0 [pid 5721] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5726] write(3, "1000", 4 [pid 5725] <... ioctl resumed>) = 0 [pid 5724] <... write resumed>) = 4 [pid 5723] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5717, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5726] <... write resumed>) = 4 [pid 5725] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] close(3 [pid 5723] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5726] close(3 [pid 5725] <... futex resumed>) = 1 [pid 5724] <... close resumed>) = 0 [pid 5723] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5721] <... futex resumed>) = 0 [pid 5726] <... close resumed>) = 0 [pid 5725] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5724] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5723] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5721] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] <... futex resumed>) = 0 [pid 5721] <... futex resumed>) = 0 [pid 5726] <... futex resumed>) = 0 [pid 5725] <... ioctl resumed>) = 0 [pid 5724] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5721] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5726] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5725] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5726] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5724] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5727 attached [pid 5726] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5725] <... futex resumed>) = 1 [pid 5724] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5723] <... mmap resumed>) = 0x7ff12c95c000 [pid 5721] <... futex resumed>) = 0 [pid 5726] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5725] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5724] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5721] exit_group(0 [pid 5727] set_robust_list(0x555581d606a0, 24 [pid 5725] <... futex resumed>) = ? [pid 5721] <... exit_group resumed>) = ? [pid 5723] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5727] <... set_robust_list resumed>) = 0 [pid 5726] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5724] <... mmap resumed>) = 0x7ff12c95c000 [pid 5727] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5726] <... mmap resumed>) = 0x7ff12c95c000 [pid 5725] +++ exited with 0 +++ [pid 5724] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5723] <... mprotect resumed>) = 0 [pid 5726] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5724] <... mprotect resumed>) = 0 [pid 5727] <... prctl resumed>) = 0 [pid 5726] <... mprotect resumed>) = 0 [pid 5724] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5726] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5727 [pid 5726] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5724] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5727] setpgid(0, 0 [pid 5726] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5724] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5723] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5727] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5728 attached ./strace-static-x86_64: Process 5729 attached [pid 5728] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5729] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5728] <... rseq resumed>) = 0 [pid 5726] <... clone3 resumed> => {parent_tid=[5729]}, 88) = 5729 [pid 5724] <... clone3 resumed> => {parent_tid=[5728]}, 88) = 5728 [pid 5721] +++ exited with 0 +++ [pid 5729] <... rseq resumed>) = 0 [pid 5728] set_robust_list(0x7ff12c97c9a0, 24 [pid 5726] rt_sigprocmask(SIG_SETMASK, [], [pid 5724] rt_sigprocmask(SIG_SETMASK, [], [pid 5729] set_robust_list(0x7ff12c97c9a0, 24 [pid 5728] <... set_robust_list resumed>) = 0 [pid 5729] <... set_robust_list resumed>) = 0 [pid 5728] rt_sigprocmask(SIG_SETMASK, [], [pid 5727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5726] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5724] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5729] rt_sigprocmask(SIG_SETMASK, [], [pid 5728] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5726] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5721, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5729] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5728] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5727] <... openat resumed>) = 3 [pid 5726] <... futex resumed>) = 0 [pid 5724] <... futex resumed>) = 0 [pid 5723] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5729] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5728] <... openat resumed>) = 3 [pid 5726] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5724] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5729] <... openat resumed>) = 3 [pid 5728] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] write(3, "1000", 4 [pid 5068] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5730 attached [pid 5728] <... futex resumed>) = 1 [pid 5727] <... write resumed>) = 4 [pid 5724] <... futex resumed>) = 0 [pid 5730] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5729] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5728] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5724] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] <... rseq resumed>) = 0 [pid 5729] <... futex resumed>) = 1 [pid 5728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5726] <... futex resumed>) = 0 [pid 5724] <... futex resumed>) = 0 [pid 5730] set_robust_list(0x7ff12c97c9a0, 24 [pid 5729] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5728] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5727] close(3 [pid 5726] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5723] <... clone3 resumed> => {parent_tid=[5730]}, 88) = 5730 [pid 5730] <... set_robust_list resumed>) = 0 [pid 5729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5728] <... ioctl resumed>) = 0 [pid 5727] <... close resumed>) = 0 [pid 5726] <... futex resumed>) = 0 [pid 5730] rt_sigprocmask(SIG_SETMASK, [], [pid 5729] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5728] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5723] rt_sigprocmask(SIG_SETMASK, [], [pid 5730] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5729] <... ioctl resumed>) = 0 [pid 5728] <... futex resumed>) = 1 [pid 5727] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] <... futex resumed>) = 0 [pid 5723] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5730] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5729] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5728] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5727] <... futex resumed>) = 0 [pid 5724] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5723] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5729] <... futex resumed>) = 1 [pid 5728] <... ioctl resumed>) = 0 [pid 5726] <... futex resumed>) = 0 [pid 5724] <... futex resumed>) = 0 [pid 5729] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5726] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5727] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5730] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5729] <... ioctl resumed>) = 0 [pid 5728] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5726] <... futex resumed>) = 0 [pid 5724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5730] <... openat resumed>) = 3 [pid 5729] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5728] <... futex resumed>) = 0 [pid 5727] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5726] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5724] exit_group(0 [pid 5723] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5731 attached [pid 5729] <... futex resumed>) = 0 [pid 5727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5724] <... exit_group resumed>) = ? [pid 5723] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5731] set_robust_list(0x555581d606a0, 24 [pid 5730] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5728] +++ exited with 0 +++ [pid 5727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5726] exit_group(0 [pid 5724] +++ exited with 0 +++ [pid 5723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5731 [pid 5731] <... set_robust_list resumed>) = 0 [pid 5730] <... futex resumed>) = 0 [pid 5729] <... futex resumed>) = ? [pid 5726] <... exit_group resumed>) = ? [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5724, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5731] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5730] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5729] +++ exited with 0 +++ [pid 5727] <... mmap resumed>) = 0x7ff12c95c000 [pid 5726] +++ exited with 0 +++ [pid 5723] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5065] <... restart_syscall resumed>) = 0 [pid 5730] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5723] <... futex resumed>) = 0 [pid 5731] <... prctl resumed>) = 0 [pid 5730] <... ioctl resumed>) = 0 [pid 5727] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5723] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5730] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5730] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5731] setpgid(0, 0 [pid 5727] <... mprotect resumed>) = 0 [pid 5723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5726, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5732 attached [pid 5731] <... setpgid resumed>) = 0 [pid 5723] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5723] <... futex resumed>) = 1 [pid 5731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5723] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5730] <... futex resumed>) = 0 [pid 5730] ioctl(3, SNDRV_TIMER_IOCTL_START, 0) = 0 [pid 5730] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5723] <... futex resumed>) = 0 [pid 5730] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5723] exit_group(0 [pid 5730] <... futex resumed>) = ? [pid 5723] <... exit_group resumed>) = ? [pid 5730] +++ exited with 0 +++ [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5732 ./strace-static-x86_64: Process 5733 attached [pid 5732] set_robust_list(0x555581d606a0, 24 [pid 5727] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5731] <... openat resumed>) = 3 [pid 5732] <... set_robust_list resumed>) = 0 [pid 5727] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5731] write(3, "1000", 4 [pid 5733] set_robust_list(0x555581d606a0, 24 [pid 5732] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5727] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5733] <... set_robust_list resumed>) = 0 [pid 5731] <... write resumed>) = 4 [pid 5731] close(3 [pid 5727] <... clone3 resumed> => {parent_tid=[5734]}, 88) = 5734 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5733 [pid 5732] <... prctl resumed>) = 0 [pid 5731] <... close resumed>) = 0 [pid 5727] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5734 attached [pid 5733] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5732] setpgid(0, 0 [pid 5731] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5723] +++ exited with 0 +++ [pid 5734] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5733] <... prctl resumed>) = 0 [pid 5732] <... setpgid resumed>) = 0 [pid 5731] <... futex resumed>) = 0 [pid 5727] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5723, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5734] <... rseq resumed>) = 0 [pid 5733] setpgid(0, 0 [pid 5727] <... futex resumed>) = 0 [pid 5734] set_robust_list(0x7ff12c97c9a0, 24 [pid 5733] <... setpgid resumed>) = 0 [pid 5734] <... set_robust_list resumed>) = 0 [pid 5733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5731] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5727] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5734] rt_sigprocmask(SIG_SETMASK, [], [pid 5732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5731] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5734] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5733] <... openat resumed>) = 3 [pid 5734] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3 [pid 5734] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5733] write(3, "1000", 4 [pid 5734] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5733] <... write resumed>) = 4 [pid 5733] close(3) = 0 [pid 5733] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5735 attached [pid 5732] <... openat resumed>) = 3 [pid 5731] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5727] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5735 [pid 5735] set_robust_list(0x555581d606a0, 24 [pid 5733] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5732] write(3, "1000", 4 [pid 5731] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5727] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... set_robust_list resumed>) = 0 [pid 5734] <... futex resumed>) = 0 [pid 5733] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5732] <... write resumed>) = 4 [pid 5731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5727] <... futex resumed>) = 1 [pid 5735] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5734] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5733] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5732] close(3 [pid 5731] <... mmap resumed>) = 0x7ff12c95c000 [pid 5727] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5735] <... prctl resumed>) = 0 [pid 5734] <... ioctl resumed>) = 0 [pid 5733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5732] <... close resumed>) = 0 [pid 5731] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5735] setpgid(0, 0 [pid 5733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5735] <... setpgid resumed>) = 0 [pid 5734] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] <... mmap resumed>) = 0x7ff12c95c000 [pid 5732] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] <... mprotect resumed>) = 0 [pid 5735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5734] <... futex resumed>) = 1 [pid 5735] <... openat resumed>) = 3 [pid 5734] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5733] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5732] <... futex resumed>) = 0 [pid 5731] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5727] <... futex resumed>) = 0 [pid 5733] <... mprotect resumed>) = 0 [pid 5732] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5731] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5727] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5732] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5731] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5727] <... futex resumed>) = 0 [pid 5732] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5736 attached [pid 5735] write(3, "1000", 4 [pid 5734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5733] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5732] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5727] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5736] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5735] <... write resumed>) = 4 [pid 5734] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5733] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5736] <... rseq resumed>) = 0 [pid 5735] close(3 [pid 5734] <... ioctl resumed>) = 0 [pid 5733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5731] <... clone3 resumed> => {parent_tid=[5736]}, 88) = 5736 ./strace-static-x86_64: Process 5737 attached [pid 5736] set_robust_list(0x7ff12c97c9a0, 24 [pid 5735] <... close resumed>) = 0 [pid 5734] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5732] <... mmap resumed>) = 0x7ff12c95c000 [pid 5731] rt_sigprocmask(SIG_SETMASK, [], [pid 5737] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5736] <... set_robust_list resumed>) = 0 [pid 5735] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] <... futex resumed>) = 1 [pid 5733] <... clone3 resumed> => {parent_tid=[5737]}, 88) = 5737 [pid 5727] <... futex resumed>) = 0 [pid 5737] <... rseq resumed>) = 0 [pid 5736] rt_sigprocmask(SIG_SETMASK, [], [pid 5735] <... futex resumed>) = 0 [pid 5734] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5733] rt_sigprocmask(SIG_SETMASK, [], [pid 5732] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5731] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5727] exit_group(0 [pid 5737] set_robust_list(0x7ff12c97c9a0, 24 [pid 5736] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5735] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5734] <... futex resumed>) = ? [pid 5733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5732] <... mprotect resumed>) = 0 [pid 5731] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] <... exit_group resumed>) = ? [pid 5737] <... set_robust_list resumed>) = 0 [pid 5736] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5735] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5734] +++ exited with 0 +++ [pid 5733] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5732] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5731] <... futex resumed>) = 0 [pid 5727] +++ exited with 0 +++ [pid 5737] rt_sigprocmask(SIG_SETMASK, [], [pid 5736] <... openat resumed>) = 3 [pid 5735] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5733] <... futex resumed>) = 0 [pid 5732] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5731] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5736] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5733] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5732] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5727, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5737] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5736] <... futex resumed>) = 0 [pid 5735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5731] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080./strace-static-x86_64: Process 5738 attached [pid 5737] <... openat resumed>) = 3 [pid 5736] <... ioctl resumed>) = 0 [pid 5735] <... mmap resumed>) = 0x7ff12c95c000 [pid 5732] <... clone3 resumed> => {parent_tid=[5738]}, 88) = 5738 [pid 5731] <... futex resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5739 attached [pid 5738] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5737] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5732] rt_sigprocmask(SIG_SETMASK, [], [pid 5731] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5738] <... rseq resumed>) = 0 [pid 5737] <... futex resumed>) = 1 [pid 5736] <... futex resumed>) = 0 [pid 5735] <... mprotect resumed>) = 0 [pid 5733] <... futex resumed>) = 0 [pid 5732] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5739] set_robust_list(0x555581d606a0, 24 [pid 5738] set_robust_list(0x7ff12c97c9a0, 24 [pid 5737] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5736] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5732] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5739] <... set_robust_list resumed>) = 0 [pid 5738] <... set_robust_list resumed>) = 0 [pid 5732] <... futex resumed>) = 0 [pid 5731] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5738] rt_sigprocmask(SIG_SETMASK, [], [pid 5736] <... futex resumed>) = 0 [pid 5735] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5733] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5732] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5731] <... futex resumed>) = 1 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5739 [pid 5739] <... prctl resumed>) = 0 [pid 5738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5737] <... futex resumed>) = 0 [pid 5736] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5735] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5733] <... futex resumed>) = 1 [pid 5731] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5739] setpgid(0, 0 [pid 5738] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5737] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5736] <... ioctl resumed>) = 0 [pid 5735] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5733] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5740 attached [pid 5739] <... setpgid resumed>) = 0 [pid 5738] <... openat resumed>) = 3 [pid 5737] <... ioctl resumed>) = 0 [pid 5736] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 5739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5738] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] <... futex resumed>) = 1 [pid 5736] <... futex resumed>) = 1 [pid 5733] <... futex resumed>) = 0 [pid 5731] <... futex resumed>) = 0 [pid 5740] set_robust_list(0x7ff12c97c9a0, 24 [pid 5737] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5733] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] <... set_robust_list resumed>) = 0 [pid 5739] <... openat resumed>) = 3 [pid 5738] <... futex resumed>) = 1 [pid 5737] <... ioctl resumed>) = 0 [pid 5736] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5735] <... clone3 resumed> => {parent_tid=[5740]}, 88) = 5740 [pid 5733] <... futex resumed>) = 0 [pid 5732] <... futex resumed>) = 0 [pid 5731] exit_group(0 [pid 5740] rt_sigprocmask(SIG_SETMASK, [], [pid 5739] write(3, "1000", 4 [pid 5738] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] <... futex resumed>) = ? [pid 5735] rt_sigprocmask(SIG_SETMASK, [], [pid 5733] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5732] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] <... exit_group resumed>) = ? [pid 5740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5739] <... write resumed>) = 4 [pid 5738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5737] <... futex resumed>) = 0 [pid 5736] +++ exited with 0 +++ [pid 5735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5732] <... futex resumed>) = 0 [pid 5740] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5735] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] exit_group(0 [pid 5740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5739] close(3 [pid 5738] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5733] <... exit_group resumed>) = ? [pid 5732] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5740] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5739] <... close resumed>) = 0 [pid 5738] <... ioctl resumed>) = 0 [pid 5737] <... futex resumed>) = ? [pid 5735] <... futex resumed>) = 0 [pid 5731] +++ exited with 0 +++ [pid 5740] <... openat resumed>) = 3 [pid 5739] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5738] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] +++ exited with 0 +++ [pid 5735] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5733] +++ exited with 0 +++ [pid 5740] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] <... futex resumed>) = 0 [pid 5738] <... futex resumed>) = 1 [pid 5735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5732] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5733, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5731, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5740] <... futex resumed>) = 0 [pid 5739] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5738] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5735] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5732] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5740] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5739] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5735] <... futex resumed>) = 0 [pid 5732] <... futex resumed>) = 0 [pid 5739] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5738] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5735] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5732] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5740] <... ioctl resumed>) = 0 [pid 5740] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5741 attached ) = 1 [pid 5739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5738] <... ioctl resumed>) = 0 [pid 5735] <... futex resumed>) = 0 [pid 5735] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] set_robust_list(0x555581d606a0, 24 [pid 5740] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5738] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5741 [pid 5741] <... set_robust_list resumed>) = 0 [pid 5740] <... ioctl resumed>) = 0 [pid 5735] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5741] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5740] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] <... mmap resumed>) = 0x7ff12c95c000 [pid 5738] <... futex resumed>) = 1 [pid 5732] <... futex resumed>) = 0 [pid 5741] <... prctl resumed>) = 0 [pid 5740] <... futex resumed>) = 1 [pid 5739] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5738] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5735] <... futex resumed>) = 0 [pid 5732] exit_group(0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5741] setpgid(0, 0 [pid 5738] <... futex resumed>) = ? [pid 5735] exit_group(0 [pid 5741] <... setpgid resumed>) = 0 [pid 5739] <... mprotect resumed>) = 0 [pid 5738] +++ exited with 0 +++ [pid 5735] <... exit_group resumed>) = ? [pid 5732] <... exit_group resumed>) = ? [pid 5740] +++ exited with 0 +++ [pid 5739] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5732] +++ exited with 0 +++ [pid 5739] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5742 attached => {parent_tid=[5742]}, 88) = 5742 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5732, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5739] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5743 attached ./strace-static-x86_64: Process 5744 attached [pid 5742] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5741] <... openat resumed>) = 3 [pid 5739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5743 [pid 5744] set_robust_list(0x555581d606a0, 24 [pid 5743] set_robust_list(0x555581d606a0, 24 [pid 5742] <... rseq resumed>) = 0 [pid 5741] write(3, "1000", 4 [pid 5739] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] <... set_robust_list resumed>) = 0 [pid 5743] <... set_robust_list resumed>) = 0 [pid 5742] set_robust_list(0x7ff12c97c9a0, 24 [pid 5741] <... write resumed>) = 4 [pid 5744] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5743] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5742] <... set_robust_list resumed>) = 0 [pid 5741] close(3 [pid 5739] <... futex resumed>) = 0 [pid 5735] +++ exited with 0 +++ [pid 5744] <... prctl resumed>) = 0 [pid 5743] <... prctl resumed>) = 0 [pid 5742] rt_sigprocmask(SIG_SETMASK, [], [pid 5741] <... close resumed>) = 0 [pid 5739] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5744 [pid 5744] setpgid(0, 0 [pid 5743] setpgid(0, 0 [pid 5742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5741] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] <... setpgid resumed>) = 0 [pid 5743] <... setpgid resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5735, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5741] <... futex resumed>) = 0 [pid 5743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5742] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5741] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5741] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5744] <... openat resumed>) = 3 [pid 5741] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5742] <... openat resumed>) = 3 [pid 5744] write(3, "1000", 4 [pid 5743] <... openat resumed>) = 3 [pid 5742] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] <... write resumed>) = 4 [pid 5743] write(3, "1000", 4 [pid 5742] <... futex resumed>) = 1 [pid 5741] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5739] <... futex resumed>) = 0 [pid 5744] close(3 [pid 5743] <... write resumed>) = 4 [pid 5742] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5739] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] <... close resumed>) = 0 [pid 5742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5739] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5744] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] close(3 [pid 5742] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5741] <... mmap resumed>) = 0x7ff12c95c000 [pid 5739] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5744] <... futex resumed>) = 0 [pid 5744] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5744] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5744] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5743] <... close resumed>) = 0 [pid 5742] <... ioctl resumed>) = 0 [pid 5741] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5745 attached [pid 5744] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5743] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] <... mprotect resumed>) = 0 [pid 5745] set_robust_list(0x555581d606a0, 24 [pid 5744] <... mprotect resumed>) = 0 [pid 5743] <... futex resumed>) = 0 [pid 5742] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5745 [pid 5745] <... set_robust_list resumed>) = 0 [pid 5744] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5743] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5742] <... futex resumed>) = 1 [pid 5741] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5739] <... futex resumed>) = 0 [pid 5745] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5744] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5743] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5742] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5741] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5739] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] <... prctl resumed>) = 0 [pid 5744] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5743] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5741] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5739] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5746 attached [pid 5745] setpgid(0, 0 [pid 5743] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5742] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5739] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5746] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5742] <... ioctl resumed>) = 0 [pid 5746] <... rseq resumed>) = 0 [pid 5742] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] set_robust_list(0x7ff12c97c9a0, 24 [pid 5745] <... setpgid resumed>) = 0 [pid 5744] <... clone3 resumed> => {parent_tid=[5746]}, 88) = 5746 [pid 5743] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5742] <... futex resumed>) = 1 [pid 5739] <... futex resumed>) = 0 [pid 5746] <... set_robust_list resumed>) = 0 [pid 5739] exit_group(0 [pid 5746] rt_sigprocmask(SIG_SETMASK, [], [pid 5739] <... exit_group resumed>) = ? [pid 5746] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5746] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5747 attached [pid 5747] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5741] <... clone3 resumed> => {parent_tid=[5747]}, 88) = 5747 [pid 5743] <... mmap resumed>) = 0x7ff12c95c000 [pid 5747] <... rseq resumed>) = 0 [pid 5741] rt_sigprocmask(SIG_SETMASK, [], [pid 5745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5747] set_robust_list(0x7ff12c97c9a0, 24 [pid 5744] rt_sigprocmask(SIG_SETMASK, [], [pid 5741] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5747] <... set_robust_list resumed>) = 0 [pid 5741] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5747] rt_sigprocmask(SIG_SETMASK, [], [pid 5744] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5741] <... futex resumed>) = 0 [pid 5747] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5744] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5741] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5747] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5746] <... futex resumed>) = 0 [pid 5744] <... futex resumed>) = 1 [pid 5743] <... mprotect resumed>) = 0 [pid 5746] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5745] <... openat resumed>) = 3 [pid 5744] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5743] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5747] <... openat resumed>) = 3 [pid 5746] <... openat resumed>) = 3 [pid 5743] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5747] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5747] <... futex resumed>) = 1 [pid 5746] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] <... futex resumed>) = 0 [pid 5747] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5746] <... futex resumed>) = 1 [pid 5744] <... futex resumed>) = 0 [pid 5741] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5746] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5744] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5748 attached [pid 5747] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5745] write(3, "1000", 4 [pid 5744] <... futex resumed>) = 0 [pid 5741] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5747] <... ioctl resumed>) = 0 [pid 5746] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5744] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5746] <... ioctl resumed>) = 0 [pid 5747] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5746] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] <... futex resumed>) = 0 [pid 5747] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5746] <... futex resumed>) = 1 [pid 5744] <... futex resumed>) = 0 [pid 5741] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5746] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5744] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] <... futex resumed>) = 0 [pid 5747] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5744] <... futex resumed>) = 0 [pid 5741] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5747] <... ioctl resumed>) = 0 [pid 5746] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5744] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5748] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5747] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] <... ioctl resumed>) = 0 [pid 5748] <... rseq resumed>) = 0 [pid 5745] <... write resumed>) = 4 [pid 5743] <... clone3 resumed> => {parent_tid=[5748]}, 88) = 5748 [pid 5748] set_robust_list(0x7ff12c97c9a0, 24 [pid 5747] <... futex resumed>) = 1 [pid 5746] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] close(3 [pid 5743] rt_sigprocmask(SIG_SETMASK, [], [pid 5741] <... futex resumed>) = 0 [pid 5748] <... set_robust_list resumed>) = 0 [pid 5747] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5746] <... futex resumed>) = 1 [pid 5745] <... close resumed>) = 0 [pid 5744] <... futex resumed>) = 0 [pid 5742] +++ exited with 0 +++ [pid 5739] +++ exited with 0 +++ [pid 5748] rt_sigprocmask(SIG_SETMASK, [], [pid 5746] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5745] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] exit_group(0 [pid 5743] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5741] exit_group(0 [pid 5747] <... futex resumed>) = ? [pid 5746] <... futex resumed>) = ? [pid 5744] <... exit_group resumed>) = ? [pid 5741] <... exit_group resumed>) = ? [pid 5748] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5747] +++ exited with 0 +++ [pid 5746] +++ exited with 0 +++ [pid 5745] <... futex resumed>) = 0 [pid 5744] +++ exited with 0 +++ [pid 5743] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] +++ exited with 0 +++ [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5739, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5745] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5743] <... futex resumed>) = 0 [pid 5748] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5745] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5743] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5741, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5744, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5749 attached [pid 5748] <... openat resumed>) = 3 [pid 5745] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5745] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... restart_syscall resumed>) = 0 [pid 5745] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5745] <... mmap resumed>) = 0x7ff12c95c000 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5749 ./strace-static-x86_64: Process 5750 attached [pid 5749] set_robust_list(0x555581d606a0, 24 [pid 5748] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5749] <... set_robust_list resumed>) = 0 [pid 5748] <... futex resumed>) = 1 [pid 5743] <... futex resumed>) = 0 [pid 5750] set_robust_list(0x555581d606a0, 24) = 0 [pid 5750] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5751 attached ) = 0 [pid 5743] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5750 [pid 5751] set_robust_list(0x555581d606a0, 24 [pid 5750] setpgid(0, 0 [pid 5748] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5743] <... futex resumed>) = 0 [pid 5751] <... set_robust_list resumed>) = 0 [pid 5750] <... setpgid resumed>) = 0 [pid 5745] <... mprotect resumed>) = 0 [pid 5743] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5751] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5749] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5748] <... ioctl resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5751 [pid 5749] <... prctl resumed>) = 0 [pid 5751] <... prctl resumed>) = 0 [pid 5750] <... openat resumed>) = 3 [pid 5749] setpgid(0, 0 [pid 5748] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5751] setpgid(0, 0 [pid 5749] <... setpgid resumed>) = 0 [pid 5748] <... futex resumed>) = 1 [pid 5745] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5743] <... futex resumed>) = 0 [pid 5751] <... setpgid resumed>) = 0 [pid 5750] write(3, "1000", 4 [pid 5749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5748] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5743] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5750] <... write resumed>) = 4 [pid 5748] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5743] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5752 attached [pid 5751] <... openat resumed>) = 3 [pid 5750] close(3 [pid 5749] <... openat resumed>) = 3 [pid 5748] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5745] <... clone3 resumed> => {parent_tid=[5752]}, 88) = 5752 [pid 5743] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5752] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5750] <... close resumed>) = 0 [pid 5749] write(3, "1000", 4 [pid 5748] <... ioctl resumed>) = 0 [pid 5745] rt_sigprocmask(SIG_SETMASK, [], [pid 5752] <... rseq resumed>) = 0 [pid 5751] write(3, "1000", 4 [pid 5750] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5749] <... write resumed>) = 4 [pid 5748] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5752] set_robust_list(0x7ff12c97c9a0, 24 [pid 5751] <... write resumed>) = 4 [pid 5750] <... futex resumed>) = 0 [pid 5752] <... set_robust_list resumed>) = 0 [pid 5749] close(3 [pid 5748] <... futex resumed>) = 1 [pid 5745] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] <... futex resumed>) = 0 [pid 5748] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5752] rt_sigprocmask(SIG_SETMASK, [], [pid 5751] close(3 [pid 5750] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5745] <... futex resumed>) = 0 [pid 5743] exit_group(0 [pid 5749] <... close resumed>) = 0 [pid 5752] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5751] <... close resumed>) = 0 [pid 5750] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5745] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5749] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5751] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5750] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5748] <... futex resumed>) = ? [pid 5743] <... exit_group resumed>) = ? [pid 5752] <... openat resumed>) = 3 [pid 5751] <... futex resumed>) = 0 [pid 5750] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5749] <... futex resumed>) = 0 [pid 5748] +++ exited with 0 +++ [pid 5752] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5749] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5752] <... futex resumed>) = 1 [pid 5751] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5750] <... mmap resumed>) = 0x7ff12c95c000 [pid 5752] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5751] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5750] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5749] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5745] <... futex resumed>) = 0 [pid 5749] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5745] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] +++ exited with 0 +++ [pid 5752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5751] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5750] <... mprotect resumed>) = 0 [pid 5749] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5745] <... futex resumed>) = 0 [pid 5752] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5751] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5750] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5749] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5745] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5743, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5752] <... ioctl resumed>) = 0 [pid 5751] <... mmap resumed>) = 0x7ff12c95c000 [pid 5749] <... mmap resumed>) = 0x7ff12c95c000 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5752] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5750] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5749] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5072] <... restart_syscall resumed>) = 0 [pid 5750] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5753 attached [pid 5752] <... futex resumed>) = 1 [pid 5751] <... mprotect resumed>) = 0 [pid 5749] <... mprotect resumed>) = 0 [pid 5745] <... futex resumed>) = 0 [pid 5753] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5752] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5751] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5750] <... clone3 resumed> => {parent_tid=[5753]}, 88) = 5753 [pid 5749] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5745] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] <... rseq resumed>) = 0 [pid 5749] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5745] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5753] set_robust_list(0x7ff12c97c9a0, 24 [pid 5749] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5745] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5754 attached [pid 5753] <... set_robust_list resumed>) = 0 [pid 5752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5751] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5750] rt_sigprocmask(SIG_SETMASK, [], [pid 5754] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5753] rt_sigprocmask(SIG_SETMASK, [], [pid 5752] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5751] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5750] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5749] <... clone3 resumed> => {parent_tid=[5754]}, 88) = 5754 ./strace-static-x86_64: Process 5755 attached [pid 5754] <... rseq resumed>) = 0 [pid 5753] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5752] <... ioctl resumed>) = 0 [pid 5750] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5749] rt_sigprocmask(SIG_SETMASK, [], [pid 5755] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5754] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5753] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5749] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5755] <... rseq resumed>) = 0 [pid 5755] set_robust_list(0x7ff12c97c9a0, 24 [pid 5754] rt_sigprocmask(SIG_SETMASK, [], [pid 5749] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] <... set_robust_list resumed>) = 0 [pid 5754] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5756 attached [pid 5755] rt_sigprocmask(SIG_SETMASK, [], [pid 5754] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5753] <... openat resumed>) = 3 [pid 5752] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] <... clone3 resumed> => {parent_tid=[5755]}, 88) = 5755 [pid 5750] <... futex resumed>) = 0 [pid 5749] <... futex resumed>) = 0 [pid 5756] set_robust_list(0x555581d606a0, 24 [pid 5755] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5754] <... openat resumed>) = 3 [pid 5753] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] <... futex resumed>) = 1 [pid 5751] rt_sigprocmask(SIG_SETMASK, [], [pid 5750] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5749] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5745] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5756 [pid 5756] <... set_robust_list resumed>) = 0 [pid 5755] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5754] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] <... futex resumed>) = 0 [pid 5752] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5751] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5745] exit_group(0 [pid 5749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5756] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5754] <... futex resumed>) = 0 [pid 5753] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5752] <... futex resumed>) = ? [pid 5751] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5750] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5749] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] <... exit_group resumed>) = ? [pid 5756] <... prctl resumed>) = 0 [pid 5755] <... futex resumed>) = 0 [pid 5754] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5752] +++ exited with 0 +++ [pid 5751] <... futex resumed>) = 1 [pid 5750] <... futex resumed>) = 0 [pid 5749] <... futex resumed>) = 0 [pid 5756] setpgid(0, 0 [pid 5751] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5750] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5756] <... setpgid resumed>) = 0 [pid 5756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5745] +++ exited with 0 +++ [pid 5756] <... openat resumed>) = 3 [pid 5755] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5753] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5754] <... ioctl resumed>) = 0 [pid 5749] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5756] write(3, "1000", 4 [pid 5753] <... ioctl resumed>) = 0 [pid 5756] <... write resumed>) = 4 [pid 5755] <... openat resumed>) = 3 [pid 5754] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5745, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5755] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] <... futex resumed>) = 1 [pid 5753] <... futex resumed>) = 1 [pid 5749] <... futex resumed>) = 0 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5756] close(3 [pid 5755] <... futex resumed>) = 1 [pid 5754] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5753] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5751] <... futex resumed>) = 0 [pid 5750] <... futex resumed>) = 0 [pid 5749] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5756] <... close resumed>) = 0 [pid 5755] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5754] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5751] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5750] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5749] <... futex resumed>) = 0 [pid 5756] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5754] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5753] <... futex resumed>) = 0 [pid 5751] <... futex resumed>) = 0 [pid 5750] <... futex resumed>) = 1 [pid 5749] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5756] <... futex resumed>) = 0 [pid 5755] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5753] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5751] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5750] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5756] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5755] <... ioctl resumed>) = 0 [pid 5754] <... ioctl resumed>) = 0 [pid 5753] <... ioctl resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5756] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5755] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5756] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5757 attached ) = 0 [pid 5755] <... futex resumed>) = 1 [pid 5754] <... futex resumed>) = 1 [pid 5753] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] <... futex resumed>) = 0 [pid 5749] <... futex resumed>) = 0 [pid 5757] set_robust_list(0x555581d606a0, 24 [pid 5756] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5755] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5754] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5753] <... futex resumed>) = 1 [pid 5751] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5750] <... futex resumed>) = 0 [pid 5749] exit_group(0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5757 [pid 5757] <... set_robust_list resumed>) = 0 [pid 5756] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5755] <... ioctl resumed>) = 0 [pid 5753] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5751] <... futex resumed>) = 0 [pid 5750] exit_group(0 [pid 5757] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5756] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5755] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] <... futex resumed>) = ? [pid 5753] <... futex resumed>) = ? [pid 5751] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5750] <... exit_group resumed>) = ? [pid 5749] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5758 attached [pid 5757] <... prctl resumed>) = 0 [pid 5755] <... futex resumed>) = 0 [pid 5754] +++ exited with 0 +++ [pid 5753] +++ exited with 0 +++ [pid 5751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5758] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5757] setpgid(0, 0 [pid 5756] <... clone3 resumed> => {parent_tid=[5758]}, 88) = 5758 [pid 5755] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5751] exit_group(0 [pid 5750] +++ exited with 0 +++ [pid 5749] +++ exited with 0 +++ [pid 5758] <... rseq resumed>) = 0 [pid 5757] <... setpgid resumed>) = 0 [pid 5756] rt_sigprocmask(SIG_SETMASK, [], [pid 5755] <... futex resumed>) = ? [pid 5751] <... exit_group resumed>) = ? [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5749, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5750, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5756] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5756] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5757] <... openat resumed>) = 3 [pid 5756] <... futex resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5758] rt_sigprocmask(SIG_SETMASK, [], [pid 5757] write(3, "1000", 4 [pid 5758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5757] <... write resumed>) = 4 ./strace-static-x86_64: Process 5759 attached ./strace-static-x86_64: Process 5760 attached [pid 5758] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5757] close(3 [pid 5756] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5755] +++ exited with 0 +++ [pid 5751] +++ exited with 0 +++ [pid 5759] set_robust_list(0x555581d606a0, 24 [pid 5758] <... openat resumed>) = 3 [pid 5757] <... close resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5751, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5760] set_robust_list(0x555581d606a0, 24 [pid 5759] <... set_robust_list resumed>) = 0 [pid 5758] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5760] <... set_robust_list resumed>) = 0 [pid 5758] <... futex resumed>) = 1 [pid 5757] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5758] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5756] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5756] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5760] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5757] <... futex resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5760 [pid 5758] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5757] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5759 [pid 5758] <... ioctl resumed>) = 0 [pid 5760] <... prctl resumed>) = 0 [pid 5759] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5758] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5757] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5760] setpgid(0, 0 [pid 5759] <... prctl resumed>) = 0 [pid 5758] <... futex resumed>) = 1 [pid 5757] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5756] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5761 attached [pid 5760] <... setpgid resumed>) = 0 [pid 5759] setpgid(0, 0 [pid 5758] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5757] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5756] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] <... setpgid resumed>) = 0 [pid 5757] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5758] <... ioctl resumed>) = 0 [pid 5756] <... futex resumed>) = 0 [pid 5758] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5757] <... mmap resumed>) = 0x7ff12c95c000 [pid 5756] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5758] <... futex resumed>) = 0 [pid 5760] <... openat resumed>) = 3 [pid 5757] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5756] exit_group(0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5761 [pid 5758] syscall_0x1681(0xffffff00, 0x7ffd5890e3e4, 0x40000001, 0, 0x4f, 0x1 [pid 5761] set_robust_list(0x555581d606a0, 24 [pid 5760] write(3, "1000", 4 [pid 5759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5758] +++ exited with 0 +++ [pid 5757] <... mprotect resumed>) = 0 [pid 5756] <... exit_group resumed>) = ? [pid 5761] <... set_robust_list resumed>) = 0 [pid 5760] <... write resumed>) = 4 [pid 5759] <... openat resumed>) = 3 [pid 5757] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5756] +++ exited with 0 +++ [pid 5761] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5760] close(3 [pid 5759] write(3, "1000", 4 [pid 5757] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5761] <... prctl resumed>) = 0 [pid 5760] <... close resumed>) = 0 [pid 5759] <... write resumed>) = 4 [pid 5757] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5756, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5759] close(3 [pid 5760] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5761] setpgid(0, 0 [pid 5760] <... futex resumed>) = 0 [pid 5759] <... close resumed>) = 0 [pid 5761] <... setpgid resumed>) = 0 [pid 5760] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5757] <... clone3 resumed> => {parent_tid=[5762]}, 88) = 5762 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5759] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5760] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5757] rt_sigprocmask(SIG_SETMASK, [], [pid 5760] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5759] <... futex resumed>) = 0 [pid 5761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5759] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5760] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5757] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5760] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5759] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5762 attached [pid 5761] <... openat resumed>) = 3 [pid 5760] <... mmap resumed>) = 0x7ff12c95c000 [pid 5759] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5757] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5762] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5761] write(3, "1000", 4 [pid 5760] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5757] <... futex resumed>) = 0 [pid 5762] <... rseq resumed>) = 0 [pid 5761] <... write resumed>) = 4 [pid 5760] <... mprotect resumed>) = 0 [pid 5759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5762] set_robust_list(0x7ff12c97c9a0, 24 [pid 5761] close(3 [pid 5757] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5762] <... set_robust_list resumed>) = 0 [pid 5762] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5762] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3 [pid 5761] <... close resumed>) = 0 [pid 5759] <... mmap resumed>) = 0x7ff12c95c000 ./strace-static-x86_64: Process 5763 attached [pid 5762] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5760] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5759] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5762] <... futex resumed>) = 1 [pid 5761] <... futex resumed>) = 0 [pid 5760] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5759] <... mprotect resumed>) = 0 [pid 5757] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5763 [pid 5763] set_robust_list(0x555581d606a0, 24 [pid 5762] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5761] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5760] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5759] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5757] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] <... set_robust_list resumed>) = 0 [pid 5762] <... ioctl resumed>) = 0 [pid 5761] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5757] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5764 attached [pid 5763] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5762] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5759] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5757] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5764] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5763] <... prctl resumed>) = 0 [pid 5762] <... futex resumed>) = 0 [pid 5761] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5760] <... clone3 resumed> => {parent_tid=[5764]}, 88) = 5764 [pid 5759] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5765 attached [pid 5764] <... rseq resumed>) = 0 [pid 5763] setpgid(0, 0 [pid 5762] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5760] rt_sigprocmask(SIG_SETMASK, [], [pid 5757] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5764] set_robust_list(0x7ff12c97c9a0, 24 [pid 5763] <... setpgid resumed>) = 0 [pid 5762] <... ioctl resumed>) = 0 [pid 5760] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5759] <... clone3 resumed> => {parent_tid=[5765]}, 88) = 5765 [pid 5765] <... rseq resumed>) = 0 [pid 5761] <... mmap resumed>) = 0x7ff12c95c000 [pid 5760] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] rt_sigprocmask(SIG_SETMASK, [], [pid 5765] set_robust_list(0x7ff12c97c9a0, 24 [pid 5763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5765] <... set_robust_list resumed>) = 0 [pid 5761] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5760] <... futex resumed>) = 0 [pid 5759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5765] rt_sigprocmask(SIG_SETMASK, [], [pid 5764] <... set_robust_list resumed>) = 0 [pid 5763] <... openat resumed>) = 3 [pid 5762] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5757] <... futex resumed>) = 0 [pid 5765] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5764] rt_sigprocmask(SIG_SETMASK, [], [pid 5763] write(3, "1000", 4 [pid 5762] <... futex resumed>) = 0 [pid 5761] <... mprotect resumed>) = 0 [pid 5760] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5759] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5757] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5765] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5764] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5763] <... write resumed>) = 4 [pid 5762] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5759] <... futex resumed>) = 0 [pid 5757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5765] <... openat resumed>) = 3 [pid 5764] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5763] close(3 [pid 5761] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5759] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5757] exit_group(0 [pid 5765] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] <... openat resumed>) = 3 [pid 5763] <... close resumed>) = 0 [pid 5762] <... futex resumed>) = ? [pid 5761] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5757] <... exit_group resumed>) = ? [pid 5765] <... futex resumed>) = 0 [pid 5764] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] +++ exited with 0 +++ [pid 5761] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5759] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5757] +++ exited with 0 +++ [pid 5765] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5764] <... futex resumed>) = 1 [pid 5763] <... futex resumed>) = 0 [pid 5760] <... futex resumed>) = 0 [pid 5759] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5757, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5766 attached [pid 5765] <... ioctl resumed>) = 0 [pid 5764] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5763] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5761] <... clone3 resumed> => {parent_tid=[5766]}, 88) = 5766 [pid 5760] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5766] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5765] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] <... ioctl resumed>) = 0 [pid 5763] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5761] rt_sigprocmask(SIG_SETMASK, [], [pid 5760] <... futex resumed>) = 0 [pid 5759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5766] <... rseq resumed>) = 0 [pid 5765] <... futex resumed>) = 0 [pid 5764] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5761] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5760] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5766] set_robust_list(0x7ff12c97c9a0, 24 [pid 5765] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5764] <... futex resumed>) = 0 [pid 5763] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5761] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5759] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5766] <... set_robust_list resumed>) = 0 [pid 5764] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5761] <... futex resumed>) = 0 [pid 5760] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5759] <... futex resumed>) = 0 [pid 5766] rt_sigprocmask(SIG_SETMASK, [], [pid 5765] <... ioctl resumed>) = 0 [pid 5764] <... ioctl resumed>) = 0 [pid 5763] <... mmap resumed>) = 0x7ff12c95c000 [pid 5761] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5760] <... futex resumed>) = 0 [pid 5759] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5766] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5765] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5760] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5765] <... futex resumed>) = 0 [pid 5764] <... futex resumed>) = 0 [pid 5760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5759] exit_group(0 [pid 5766] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5764] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5763] <... mprotect resumed>) = 0 [pid 5760] exit_group(0 [pid 5759] <... exit_group resumed>) = ? [pid 5766] <... openat resumed>) = 3 [pid 5765] +++ exited with 0 +++ [pid 5764] <... futex resumed>) = ? [pid 5760] <... exit_group resumed>) = ? [pid 5764] +++ exited with 0 +++ [pid 5760] +++ exited with 0 +++ [pid 5759] +++ exited with 0 +++ ./strace-static-x86_64: Process 5767 attached [pid 5766] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5759, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5767] set_robust_list(0x555581d606a0, 24 [pid 5766] <... futex resumed>) = 1 [pid 5763] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5761] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5767 [pid 5767] <... set_robust_list resumed>) = 0 [pid 5766] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5760, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5767] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5763] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5761] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] <... prctl resumed>) = 0 [pid 5766] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5761] <... futex resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5768 attached [pid 5767] setpgid(0, 0 [pid 5766] <... ioctl resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5768] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5761] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5767] <... setpgid resumed>) = 0 [pid 5763] <... clone3 resumed> => {parent_tid=[5768]}, 88) = 5768 [pid 5767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5763] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5767] <... openat resumed>) = 3 [pid 5763] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5763] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5767] write(3, "1000", 4) = 4 [pid 5767] close(3 [pid 5768] <... rseq resumed>) = 0 ./strace-static-x86_64: Process 5770 attached ./strace-static-x86_64: Process 5769 attached [pid 5766] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5769 [pid 5768] set_robust_list(0x7ff12c97c9a0, 24 [pid 5766] <... futex resumed>) = 1 [pid 5770] set_robust_list(0x555581d606a0, 24 [pid 5769] set_robust_list(0x555581d606a0, 24 [pid 5768] <... set_robust_list resumed>) = 0 [pid 5767] <... close resumed>) = 0 [pid 5766] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5761] <... futex resumed>) = 0 [pid 5770] <... set_robust_list resumed>) = 0 [pid 5768] rt_sigprocmask(SIG_SETMASK, [], [pid 5767] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5769] <... set_robust_list resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5770 [pid 5769] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5768] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5761] <... futex resumed>) = 1 [pid 5770] <... prctl resumed>) = 0 [pid 5769] <... prctl resumed>) = 0 [pid 5768] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5767] <... futex resumed>) = 0 [pid 5766] <... futex resumed>) = 0 [pid 5761] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5770] setpgid(0, 0 [pid 5769] setpgid(0, 0 [pid 5768] <... openat resumed>) = 3 [pid 5767] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5766] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5770] <... setpgid resumed>) = 0 [pid 5769] <... setpgid resumed>) = 0 [pid 5768] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5766] <... ioctl resumed>) = 0 [pid 5770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5768] <... futex resumed>) = 1 [pid 5767] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5766] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] <... futex resumed>) = 0 [pid 5770] <... openat resumed>) = 3 [pid 5769] <... openat resumed>) = 3 [pid 5768] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5766] <... futex resumed>) = 1 [pid 5761] <... futex resumed>) = 0 [pid 5770] write(3, "1000", 4 [pid 5769] write(3, "1000", 4 [pid 5768] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5766] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5763] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] exit_group(0 [pid 5770] <... write resumed>) = 4 [pid 5769] <... write resumed>) = 4 [pid 5768] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5766] <... futex resumed>) = ? [pid 5763] <... futex resumed>) = 0 [pid 5761] <... exit_group resumed>) = ? [pid 5770] close(3 [pid 5769] close(3 [pid 5768] <... ioctl resumed>) = 0 [pid 5767] <... mmap resumed>) = 0x7ff12c95c000 [pid 5766] +++ exited with 0 +++ [pid 5769] <... close resumed>) = 0 [pid 5769] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] <... futex resumed>) = 0 [pid 5768] <... futex resumed>) = 0 [pid 5769] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5768] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5769] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5769] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5761] +++ exited with 0 +++ [pid 5770] <... close resumed>) = 0 [pid 5769] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5767] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5763] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5770] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] <... mprotect resumed>) = 0 [pid 5767] <... mprotect resumed>) = 0 [pid 5763] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5761, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5770] <... futex resumed>) = 0 [pid 5769] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5767] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5763] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5769] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5771 attached [pid 5771] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 5769] <... clone3 resumed> => {parent_tid=[5771]}, 88) = 5771 [pid 5771] set_robust_list(0x7ff12c97c9a0, 24 [pid 5769] rt_sigprocmask(SIG_SETMASK, [], [pid 5771] <... set_robust_list resumed>) = 0 [pid 5769] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5771] rt_sigprocmask(SIG_SETMASK, [], [pid 5769] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5771] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5771] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5769] <... futex resumed>) = 0 [pid 5769] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5771] <... openat resumed>) = 3 [pid 5770] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5768] <... futex resumed>) = 0 [pid 5763] <... futex resumed>) = 1 [pid 5770] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5767] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5763] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5770] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5767] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5771] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] ioctl(3, SNDRV_TIMER_IOCTL_START, 0./strace-static-x86_64: Process 5772 attached [pid 5771] <... futex resumed>) = 1 [pid 5769] <... futex resumed>) = 0 [pid 5768] <... ioctl resumed>) = 0 [pid 5772] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5771] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5769] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5772] <... rseq resumed>) = 0 [pid 5771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5769] <... futex resumed>) = 0 [pid 5768] <... futex resumed>) = 1 [pid 5772] set_robust_list(0x7ff12c97c9a0, 24 [pid 5771] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5769] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5768] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5773 attached [pid 5772] <... set_robust_list resumed>) = 0 [pid 5771] <... ioctl resumed>) = 0 [pid 5770] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5767] <... clone3 resumed> => {parent_tid=[5772]}, 88) = 5772 [pid 5763] <... futex resumed>) = 0 [pid 5773] set_robust_list(0x555581d606a0, 24 [pid 5772] rt_sigprocmask(SIG_SETMASK, [], [pid 5771] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5767] rt_sigprocmask(SIG_SETMASK, [], [pid 5763] exit_group(0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5773 [pid 5773] <... set_robust_list resumed>) = 0 [pid 5772] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5771] <... futex resumed>) = 1 [pid 5769] <... futex resumed>) = 0 [pid 5773] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5772] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5771] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5770] <... mmap resumed>) = 0x7ff12c95c000 [pid 5769] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] <... futex resumed>) = ? [pid 5767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5763] <... exit_group resumed>) = ? [pid 5773] <... prctl resumed>) = 0 [pid 5772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5769] <... futex resumed>) = 0 [pid 5767] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] setpgid(0, 0 [pid 5772] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5771] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5769] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5770] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5773] <... setpgid resumed>) = 0 [pid 5771] <... ioctl resumed>) = 0 [pid 5767] <... futex resumed>) = 0 [pid 5773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5772] <... openat resumed>) = 3 [pid 5771] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] <... mprotect resumed>) = 0 [pid 5767] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5773] <... openat resumed>) = 3 [pid 5772] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5771] <... futex resumed>) = 1 [pid 5769] <... futex resumed>) = 0 [pid 5770] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5769] exit_group(0 [pid 5773] write(3, "1000", 4 [pid 5772] <... futex resumed>) = 1 [pid 5770] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5769] <... exit_group resumed>) = ? [pid 5767] <... futex resumed>) = 0 [pid 5773] <... write resumed>) = 4 [pid 5772] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5771] +++ exited with 0 +++ [pid 5770] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5769] +++ exited with 0 +++ [pid 5768] +++ exited with 0 +++ [pid 5767] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] +++ exited with 0 +++ [pid 5773] close(3 [pid 5772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5763, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5774 attached [pid 5773] <... close resumed>) = 0 [pid 5772] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5767] <... futex resumed>) = 0 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5769, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5774] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5773] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5772] <... ioctl resumed>) = 0 [pid 5767] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] <... restart_syscall resumed>) = 0 [pid 5774] <... rseq resumed>) = 0 [pid 5773] <... futex resumed>) = 0 [pid 5772] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] <... clone3 resumed> => {parent_tid=[5774]}, 88) = 5774 [pid 5767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5774] set_robust_list(0x7ff12c97c9a0, 24 [pid 5773] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5772] <... futex resumed>) = 0 [pid 5770] rt_sigprocmask(SIG_SETMASK, [], [pid 5767] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5774] <... set_robust_list resumed>) = 0 [pid 5773] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5772] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5770] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5775 attached [pid 5774] rt_sigprocmask(SIG_SETMASK, [], [pid 5773] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5772] <... ioctl resumed>) = 0 [pid 5770] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5775] set_robust_list(0x555581d606a0, 24 [pid 5774] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5773] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5772] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] <... futex resumed>) = 0 [pid 5775] <... set_robust_list resumed>) = 0 [pid 5770] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5776 attached [pid 5775] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5774] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5773] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5772] <... futex resumed>) = 0 [pid 5767] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5775 [pid 5776] set_robust_list(0x555581d606a0, 24 [pid 5775] <... prctl resumed>) = 0 [pid 5774] <... openat resumed>) = 3 [pid 5773] <... mmap resumed>) = 0x7ff12c95c000 [pid 5772] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5776 [pid 5776] <... set_robust_list resumed>) = 0 [pid 5775] setpgid(0, 0 [pid 5774] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5767] exit_group(0 [pid 5776] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5775] <... setpgid resumed>) = 0 [pid 5774] <... futex resumed>) = 1 [pid 5773] <... mprotect resumed>) = 0 [pid 5772] <... futex resumed>) = ? [pid 5770] <... futex resumed>) = 0 [pid 5767] <... exit_group resumed>) = ? [pid 5775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5774] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5773] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5770] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] <... prctl resumed>) = 0 [pid 5774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5774] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5772] +++ exited with 0 +++ [pid 5776] setpgid(0, 0 [pid 5775] <... openat resumed>) = 3 [pid 5774] <... ioctl resumed>) = 0 [pid 5773] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5770] <... futex resumed>) = 0 [pid 5776] <... setpgid resumed>) = 0 [pid 5774] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5770] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5775] write(3, "1000", 4 [pid 5770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5767] +++ exited with 0 +++ ./strace-static-x86_64: Process 5777 attached [pid 5776] <... openat resumed>) = 3 [pid 5775] <... write resumed>) = 4 [pid 5774] <... futex resumed>) = 0 [pid 5770] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5767, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5777] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5775] close(3 [pid 5774] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5773] <... clone3 resumed> => {parent_tid=[5777]}, 88) = 5777 [pid 5770] <... futex resumed>) = 0 [pid 5777] <... rseq resumed>) = 0 [pid 5776] write(3, "1000", 4 [pid 5775] <... close resumed>) = 0 [pid 5774] <... ioctl resumed>) = 0 [pid 5773] rt_sigprocmask(SIG_SETMASK, [], [pid 5770] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5777] set_robust_list(0x7ff12c97c9a0, 24 [pid 5776] <... write resumed>) = 4 [pid 5775] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5774] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5777] <... set_robust_list resumed>) = 0 [pid 5776] close(3 [pid 5775] <... futex resumed>) = 0 [pid 5774] <... futex resumed>) = 0 [pid 5773] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5777] rt_sigprocmask(SIG_SETMASK, [], [pid 5776] <... close resumed>) = 0 [pid 5775] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5774] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5773] <... futex resumed>) = 0 [pid 5770] exit_group(0 [pid 5777] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5776] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5775] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5774] <... futex resumed>) = ? [pid 5773] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5770] <... exit_group resumed>) = ? [pid 5777] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5776] <... futex resumed>) = 0 [pid 5775] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5774] +++ exited with 0 +++ [pid 5770] +++ exited with 0 +++ [pid 5776] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5777] <... openat resumed>) = 3 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5770, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5777] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5777] <... futex resumed>) = 1 [pid 5776] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5773] <... futex resumed>) = 0 [pid 5776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5773] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5773] <... futex resumed>) = 0 [pid 5776] <... mmap resumed>) = 0x7ff12c95c000 [pid 5773] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5778 attached [pid 5777] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5776] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5775] <... mmap resumed>) = 0x7ff12c95c000 [pid 5778] set_robust_list(0x555581d606a0, 24 [pid 5777] <... ioctl resumed>) = 0 [pid 5776] <... mprotect resumed>) = 0 [pid 5775] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5778 [pid 5778] <... set_robust_list resumed>) = 0 [pid 5777] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5775] <... mprotect resumed>) = 0 [pid 5777] <... futex resumed>) = 1 [pid 5773] <... futex resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5779 attached [pid 5778] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5777] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5775] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5773] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] <... prctl resumed>) = 0 [pid 5777] <... ioctl resumed>) = 0 [pid 5775] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5779] set_robust_list(0x555581d606a0, 24 [pid 5777] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5779] <... set_robust_list resumed>) = 0 [pid 5777] <... futex resumed>) = 0 [pid 5775] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5778] setpgid(0, 0 [pid 5779] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5778] <... setpgid resumed>) = 0 [pid 5777] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5776] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5773] <... futex resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5779 ./strace-static-x86_64: Process 5780 attached [pid 5779] <... prctl resumed>) = 0 [pid 5778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5776] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5773] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5781 attached [pid 5780] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5779] setpgid(0, 0 [pid 5778] <... openat resumed>) = 3 [pid 5775] <... clone3 resumed> => {parent_tid=[5780]}, 88) = 5780 [pid 5773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5781] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5780] <... rseq resumed>) = 0 [pid 5779] <... setpgid resumed>) = 0 [pid 5778] write(3, "1000", 4 [pid 5776] <... clone3 resumed> => {parent_tid=[5781]}, 88) = 5781 [pid 5775] rt_sigprocmask(SIG_SETMASK, [], [pid 5773] exit_group(0 [pid 5781] <... rseq resumed>) = 0 [pid 5780] set_robust_list(0x7ff12c97c9a0, 24 [pid 5779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5778] <... write resumed>) = 4 [pid 5777] <... futex resumed>) = ? [pid 5776] rt_sigprocmask(SIG_SETMASK, [], [pid 5773] <... exit_group resumed>) = ? [pid 5781] set_robust_list(0x7ff12c97c9a0, 24 [pid 5780] <... set_robust_list resumed>) = 0 [pid 5775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5781] <... set_robust_list resumed>) = 0 [pid 5780] rt_sigprocmask(SIG_SETMASK, [], [pid 5779] <... openat resumed>) = 3 [pid 5778] close(3 [pid 5777] +++ exited with 0 +++ [pid 5776] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5775] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] +++ exited with 0 +++ [pid 5781] rt_sigprocmask(SIG_SETMASK, [], [pid 5780] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5779] write(3, "1000", 4 [pid 5778] <... close resumed>) = 0 [pid 5776] <... futex resumed>) = 0 [pid 5781] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5780] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5779] <... write resumed>) = 4 [pid 5778] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5775] <... futex resumed>) = 0 [pid 5781] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5780] <... openat resumed>) = 3 [pid 5779] close(3 [pid 5778] <... futex resumed>) = 0 [pid 5775] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5773, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5778] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5781] <... openat resumed>) = 3 [pid 5780] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5779] <... close resumed>) = 0 [pid 5778] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5781] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5779] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5775] <... futex resumed>) = 0 [pid 5781] <... futex resumed>) = 1 [pid 5780] <... futex resumed>) = 1 [pid 5779] <... futex resumed>) = 0 [pid 5778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5775] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5781] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5780] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5779] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5775] <... futex resumed>) = 0 [pid 5780] <... ioctl resumed>) = 0 [pid 5779] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5780] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5779] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5778] <... mmap resumed>) = 0x7ff12c95c000 [pid 5776] <... futex resumed>) = 0 [pid 5775] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5780] <... futex resumed>) = 0 [pid 5776] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5781] <... futex resumed>) = 0 [pid 5780] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5778] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5776] <... futex resumed>) = 1 [pid 5775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5779] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5781] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5779] <... mmap resumed>) = 0x7ff12c95c000 [pid 5778] <... mprotect resumed>) = 0 [pid 5776] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5775] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5781] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5782 attached [pid 5781] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] <... futex resumed>) = 0 [pid 5779] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5778] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5775] <... futex resumed>) = 1 [pid 5782] set_robust_list(0x555581d606a0, 24 [pid 5781] <... futex resumed>) = 1 [pid 5780] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5779] <... mprotect resumed>) = 0 [pid 5778] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5776] <... futex resumed>) = 0 [pid 5775] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5782 [pid 5782] <... set_robust_list resumed>) = 0 [pid 5781] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5780] <... ioctl resumed>) = 0 [pid 5779] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5778] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5776] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5783 attached [pid 5782] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5781] <... ioctl resumed>) = 0 [pid 5780] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5779] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5776] <... futex resumed>) = 0 [pid 5781] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5781] <... futex resumed>) = 0 [pid 5776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5781] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5776] exit_group(0 [pid 5781] <... futex resumed>) = ? [pid 5776] <... exit_group resumed>) = ? [pid 5783] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5782] <... prctl resumed>) = 0 [pid 5781] +++ exited with 0 +++ [pid 5780] <... futex resumed>) = 1 [pid 5779] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5778] <... clone3 resumed> => {parent_tid=[5783]}, 88) = 5783 [pid 5775] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5784 attached [pid 5783] <... rseq resumed>) = 0 [pid 5782] setpgid(0, 0 [pid 5780] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5778] rt_sigprocmask(SIG_SETMASK, [], [pid 5776] +++ exited with 0 +++ [pid 5775] exit_group(0 [pid 5784] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5783] set_robust_list(0x7ff12c97c9a0, 24 [pid 5782] <... setpgid resumed>) = 0 [pid 5780] <... futex resumed>) = ? [pid 5779] <... clone3 resumed> => {parent_tid=[5784]}, 88) = 5784 [pid 5778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5775] <... exit_group resumed>) = ? [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5776, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5784] <... rseq resumed>) = 0 [pid 5783] <... set_robust_list resumed>) = 0 [pid 5782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5780] +++ exited with 0 +++ [pid 5779] rt_sigprocmask(SIG_SETMASK, [], [pid 5778] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5775] +++ exited with 0 +++ [pid 5784] set_robust_list(0x7ff12c97c9a0, 24 [pid 5783] rt_sigprocmask(SIG_SETMASK, [], [pid 5779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5778] <... futex resumed>) = 0 [pid 5784] <... set_robust_list resumed>) = 0 [pid 5783] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5782] <... openat resumed>) = 3 [pid 5779] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5775, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5784] rt_sigprocmask(SIG_SETMASK, [], [pid 5783] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5782] write(3, "1000", 4 [pid 5779] <... futex resumed>) = 0 [pid 5784] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5779] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5782] <... write resumed>) = 4 [pid 5784] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5783] <... openat resumed>) = 3 [pid 5782] close(3 [pid 5784] <... openat resumed>) = 3 [pid 5783] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5782] <... close resumed>) = 0 [pid 5784] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5784] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5778] <... futex resumed>) = 0 [pid 5782] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5783] <... futex resumed>) = 1 [pid 5779] <... futex resumed>) = 0 [pid 5782] <... futex resumed>) = 0 [pid 5778] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5783] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5782] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5779] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5785 attached [pid 5784] <... futex resumed>) = 0 [pid 5783] <... ioctl resumed>) = 0 [pid 5782] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5779] <... futex resumed>) = 1 [pid 5778] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5785] set_robust_list(0x555581d606a0, 24 [pid 5784] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080./strace-static-x86_64: Process 5786 attached [pid 5785] <... set_robust_list resumed>) = 0 [pid 5784] <... ioctl resumed>) = 0 [pid 5783] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5782] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5779] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5785 [pid 5786] set_robust_list(0x555581d606a0, 24 [pid 5785] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5784] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5783] <... futex resumed>) = 1 [pid 5782] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5778] <... futex resumed>) = 0 [pid 5783] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5782] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5786] <... set_robust_list resumed>) = 0 [pid 5785] <... prctl resumed>) = 0 [pid 5784] <... futex resumed>) = 0 [pid 5786] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5785] setpgid(0, 0 [pid 5784] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5782] <... mmap resumed>) = 0x7ff12c95c000 [pid 5779] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] <... setpgid resumed>) = 0 [pid 5784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5783] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5782] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5779] <... futex resumed>) = 0 [pid 5778] <... futex resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5786 [pid 5786] <... prctl resumed>) = 0 [pid 5785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5784] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5783] <... ioctl resumed>) = 0 [pid 5786] setpgid(0, 0 [pid 5784] <... ioctl resumed>) = 0 [pid 5783] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5782] <... mprotect resumed>) = 0 [pid 5779] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5778] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5786] <... setpgid resumed>) = 0 [pid 5785] <... openat resumed>) = 3 [pid 5784] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5783] <... futex resumed>) = 0 [pid 5782] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5784] <... futex resumed>) = 1 [pid 5783] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5782] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5779] <... futex resumed>) = 0 [pid 5778] exit_group(0 [pid 5786] <... openat resumed>) = 3 [pid 5785] write(3, "1000", 4 [pid 5784] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5783] <... futex resumed>) = ? [pid 5782] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5779] exit_group(0 [pid 5778] <... exit_group resumed>) = ? [pid 5785] <... write resumed>) = 4 [pid 5786] write(3, "1000", 4 [pid 5785] close(3 [pid 5784] <... futex resumed>) = ? [pid 5779] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5787 attached [pid 5786] <... write resumed>) = 4 [pid 5785] <... close resumed>) = 0 [pid 5784] +++ exited with 0 +++ [pid 5787] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5786] close(3 [pid 5785] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] <... rseq resumed>) = 0 [pid 5786] <... close resumed>) = 0 [pid 5785] <... futex resumed>) = 0 [pid 5787] set_robust_list(0x7ff12c97c9a0, 24 [pid 5786] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5787] <... set_robust_list resumed>) = 0 [pid 5786] <... futex resumed>) = 0 [pid 5785] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5787] rt_sigprocmask(SIG_SETMASK, [], [pid 5786] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5785] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5782] <... clone3 resumed> => {parent_tid=[5787]}, 88) = 5787 [pid 5787] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5786] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5785] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5782] rt_sigprocmask(SIG_SETMASK, [], [pid 5787] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5786] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5785] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5785] <... mmap resumed>) = 0x7ff12c95c000 [pid 5786] <... mmap resumed>) = 0x7ff12c95c000 [pid 5786] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5785] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5786] <... mprotect resumed>) = 0 [pid 5785] <... mprotect resumed>) = 0 [pid 5782] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5782] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] <... futex resumed>) = 0 [pid 5786] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5785] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5782] <... futex resumed>) = 1 [pid 5787] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5779] +++ exited with 0 +++ [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5779, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5787] <... openat resumed>) = 3 [pid 5786] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5785] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5782] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5786] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5785] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5788 attached [pid 5787] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5789 attached [pid 5788] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5787] <... futex resumed>) = 1 [pid 5786] <... clone3 resumed> => {parent_tid=[5788]}, 88) = 5788 [pid 5785] <... clone3 resumed> => {parent_tid=[5789]}, 88) = 5789 [pid 5782] <... futex resumed>) = 0 [pid 5789] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5788] <... rseq resumed>) = 0 [pid 5787] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5786] rt_sigprocmask(SIG_SETMASK, [], [pid 5785] rt_sigprocmask(SIG_SETMASK, [], [pid 5789] <... rseq resumed>) = 0 [pid 5788] set_robust_list(0x7ff12c97c9a0, 24 [pid 5786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5785] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5782] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5789] set_robust_list(0x7ff12c97c9a0, 24 [pid 5788] <... set_robust_list resumed>) = 0 [pid 5787] <... futex resumed>) = 0 [pid 5786] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5782] <... futex resumed>) = 1 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5789] <... set_robust_list resumed>) = 0 [pid 5788] rt_sigprocmask(SIG_SETMASK, [], [pid 5787] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5786] <... futex resumed>) = 0 [pid 5785] <... futex resumed>) = 0 [pid 5783] +++ exited with 0 +++ [pid 5782] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5778] +++ exited with 0 +++ [pid 5789] rt_sigprocmask(SIG_SETMASK, [], [pid 5788] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5787] <... ioctl resumed>) = 0 [pid 5786] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5785] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5778, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5789] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5787] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5789] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5787] <... futex resumed>) = 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5789] <... openat resumed>) = 3 [pid 5788] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5787] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5790 attached [pid 5782] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5789] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5788] <... openat resumed>) = 3 [pid 5787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5782] <... futex resumed>) = 0 [pid 5790] set_robust_list(0x555581d606a0, 24 [pid 5789] <... futex resumed>) = 1 [pid 5787] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5785] <... futex resumed>) = 0 [pid 5788] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5782] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5790] <... set_robust_list resumed>) = 0 [pid 5788] <... futex resumed>) = 1 [pid 5787] <... ioctl resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5790 [pid 5790] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5789] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5788] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5787] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... futex resumed>) = 0 [pid 5785] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5790] <... prctl resumed>) = 0 [pid 5786] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5791 attached [pid 5790] setpgid(0, 0 [pid 5789] <... ioctl resumed>) = 0 [pid 5788] <... futex resumed>) = 0 [pid 5787] <... futex resumed>) = 1 [pid 5786] <... futex resumed>) = 1 [pid 5785] <... futex resumed>) = 0 [pid 5782] <... futex resumed>) = 0 [pid 5790] <... setpgid resumed>) = 0 [pid 5789] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5788] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5787] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5786] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5785] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5791] set_robust_list(0x555581d606a0, 24 [pid 5782] exit_group(0 [pid 5791] <... set_robust_list resumed>) = 0 [pid 5790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5789] <... futex resumed>) = 0 [pid 5788] <... ioctl resumed>) = 0 [pid 5787] <... futex resumed>) = ? [pid 5785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5782] <... exit_group resumed>) = ? [pid 5791] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5789] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5785] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5791 [pid 5789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5787] +++ exited with 0 +++ [pid 5785] <... futex resumed>) = 0 [pid 5791] <... prctl resumed>) = 0 [pid 5790] <... openat resumed>) = 3 [pid 5789] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5788] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5789] <... ioctl resumed>) = 0 [pid 5789] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] setpgid(0, 0 [pid 5790] write(3, "1000", 4 [pid 5789] <... futex resumed>) = 1 [pid 5788] <... futex resumed>) = 1 [pid 5786] <... futex resumed>) = 0 [pid 5785] <... futex resumed>) = 0 [pid 5791] <... setpgid resumed>) = 0 [pid 5790] <... write resumed>) = 4 [pid 5789] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5788] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5786] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] exit_group(0 [pid 5791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5790] close(3 [pid 5789] <... futex resumed>) = ? [pid 5785] <... exit_group resumed>) = ? [pid 5790] <... close resumed>) = 0 [pid 5786] <... futex resumed>) = 0 [pid 5791] <... openat resumed>) = 3 [pid 5790] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5789] +++ exited with 0 +++ [pid 5788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5786] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5785] +++ exited with 0 +++ [pid 5782] +++ exited with 0 +++ [pid 5791] write(3, "1000", 4 [pid 5790] <... futex resumed>) = 0 [pid 5788] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5791] <... write resumed>) = 4 [pid 5790] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5788] <... ioctl resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5785, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5782, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5791] close(3 [pid 5790] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5788] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5791] <... close resumed>) = 0 [pid 5790] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5790] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5788] <... futex resumed>) = 1 [pid 5786] <... futex resumed>) = 0 [pid 5791] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5793 attached ./strace-static-x86_64: Process 5792 attached [pid 5791] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5790] <... mmap resumed>) = 0x7ff12c95c000 [pid 5788] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5786] exit_group(0 [pid 5793] set_robust_list(0x555581d606a0, 24 [pid 5792] set_robust_list(0x555581d606a0, 24 [pid 5791] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5790] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5788] <... futex resumed>) = ? [pid 5786] <... exit_group resumed>) = ? [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5793 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5792 [pid 5793] <... set_robust_list resumed>) = 0 [pid 5792] <... set_robust_list resumed>) = 0 [pid 5791] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5788] +++ exited with 0 +++ [pid 5793] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5792] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5790] <... mprotect resumed>) = 0 [pid 5793] <... prctl resumed>) = 0 [pid 5792] <... prctl resumed>) = 0 [pid 5791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5786] +++ exited with 0 +++ [pid 5793] setpgid(0, 0 [pid 5792] setpgid(0, 0 [pid 5791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5790] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5786, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5793] <... setpgid resumed>) = 0 [pid 5792] <... setpgid resumed>) = 0 [pid 5791] <... mmap resumed>) = 0x7ff12c95c000 [pid 5793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5790] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5793] <... openat resumed>) = 3 [pid 5792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5791] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5790] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5794 attached [pid 5793] write(3, "1000", 4 [pid 5791] <... mprotect resumed>) = 0 [pid 5794] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5793] <... write resumed>) = 4 [pid 5792] <... openat resumed>) = 3 [pid 5791] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5790] <... clone3 resumed> => {parent_tid=[5794]}, 88) = 5794 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5794] <... rseq resumed>) = 0 [pid 5793] close(3 [pid 5792] write(3, "1000", 4 [pid 5794] set_robust_list(0x7ff12c97c9a0, 24 [pid 5793] <... close resumed>) = 0 [pid 5792] <... write resumed>) = 4 [pid 5794] <... set_robust_list resumed>) = 0 [pid 5793] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] close(3 [pid 5794] rt_sigprocmask(SIG_SETMASK, [], [pid 5793] <... futex resumed>) = 0 [pid 5794] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5792] <... close resumed>) = 0 [pid 5794] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5793] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5792] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5792] <... futex resumed>) = 0 [pid 5793] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5792] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5793] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5792] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5793] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5792] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5795 attached [pid 5793] <... mmap resumed>) = 0x7ff12c95c000 [pid 5792] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5791] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5790] rt_sigprocmask(SIG_SETMASK, [], [pid 5795] set_robust_list(0x555581d606a0, 24 [pid 5793] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5790] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5795 [pid 5795] <... set_robust_list resumed>) = 0 [pid 5793] <... mprotect resumed>) = 0 [pid 5792] <... mmap resumed>) = 0x7ff12c95c000 [pid 5790] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5796 attached [pid 5795] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5790] <... futex resumed>) = 1 [pid 5796] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5795] <... prctl resumed>) = 0 [pid 5794] <... futex resumed>) = 0 [pid 5793] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5792] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5791] <... clone3 resumed> => {parent_tid=[5796]}, 88) = 5796 [pid 5790] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5796] <... rseq resumed>) = 0 [pid 5795] setpgid(0, 0 [pid 5794] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5793] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5792] <... mprotect resumed>) = 0 [pid 5791] rt_sigprocmask(SIG_SETMASK, [], [pid 5796] set_robust_list(0x7ff12c97c9a0, 24 [pid 5795] <... setpgid resumed>) = 0 [pid 5794] <... openat resumed>) = 3 [pid 5791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5796] <... set_robust_list resumed>) = 0 [pid 5795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5794] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5792] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5791] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5797 attached [pid 5796] rt_sigprocmask(SIG_SETMASK, [], [pid 5794] <... futex resumed>) = 1 [pid 5790] <... futex resumed>) = 0 [pid 5796] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5795] <... openat resumed>) = 3 [pid 5794] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5793] <... clone3 resumed> => {parent_tid=[5797]}, 88) = 5797 [pid 5791] <... futex resumed>) = 0 [pid 5790] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5797] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5796] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5795] write(3, "1000", 4 [pid 5794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5793] rt_sigprocmask(SIG_SETMASK, [], [pid 5792] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5791] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5790] <... futex resumed>) = 0 [pid 5797] <... rseq resumed>) = 0 [pid 5796] <... openat resumed>) = 3 [pid 5794] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5793] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5790] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5797] set_robust_list(0x7ff12c97c9a0, 24 [pid 5796] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5795] <... write resumed>) = 4 [pid 5794] <... ioctl resumed>) = 0 [pid 5797] <... set_robust_list resumed>) = 0 [pid 5796] <... futex resumed>) = 1 [pid 5794] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5798 attached [pid 5797] rt_sigprocmask(SIG_SETMASK, [], [pid 5796] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5794] <... futex resumed>) = 1 [pid 5798] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5797] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5794] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5798] <... rseq resumed>) = 0 [pid 5797] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5798] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5797] <... openat resumed>) = 3 [pid 5798] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5798] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5797] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5795] close(3 [pid 5793] <... futex resumed>) = 0 [pid 5791] <... futex resumed>) = 0 [pid 5790] <... futex resumed>) = 0 [pid 5792] <... clone3 resumed> => {parent_tid=[5798]}, 88) = 5798 [pid 5795] <... close resumed>) = 0 [pid 5793] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5791] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5790] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5795] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] rt_sigprocmask(SIG_SETMASK, [], [pid 5795] <... futex resumed>) = 0 [pid 5792] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5791] <... futex resumed>) = 1 [pid 5790] <... futex resumed>) = 1 [pid 5795] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5792] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5790] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5795] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5793] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] <... futex resumed>) = 1 [pid 5795] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5793] <... futex resumed>) = 0 [pid 5792] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5793] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5795] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5798] <... futex resumed>) = 0 [pid 5797] <... futex resumed>) = 1 [pid 5796] <... futex resumed>) = 0 [pid 5794] <... futex resumed>) = 0 [pid 5798] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5797] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5796] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5795] <... mmap resumed>) = 0x7ff12c95c000 [pid 5794] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5793] <... futex resumed>) = 0 [pid 5798] <... openat resumed>) = 3 [pid 5797] <... ioctl resumed>) = 0 [pid 5796] <... ioctl resumed>) = 0 [pid 5795] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5794] <... ioctl resumed>) = 0 [pid 5793] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=48000000} [pid 5798] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5797] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5796] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5794] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5798] <... futex resumed>) = 1 [pid 5797] <... futex resumed>) = 0 [pid 5796] <... futex resumed>) = 1 [pid 5794] <... futex resumed>) = 1 [pid 5793] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] <... futex resumed>) = 0 [pid 5790] <... futex resumed>) = 0 [pid 5798] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5797] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5796] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5794] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5793] <... futex resumed>) = 0 [pid 5792] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] <... futex resumed>) = 0 [pid 5790] exit_group(0 [pid 5798] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5797] <... ioctl resumed>) = 0 [pid 5794] <... futex resumed>) = ? [pid 5793] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5792] <... futex resumed>) = 0 [pid 5790] <... exit_group resumed>) = ? [pid 5798] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5797] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5794] +++ exited with 0 +++ [pid 5792] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5798] <... ioctl resumed>) = 0 [pid 5797] <... futex resumed>) = 0 [pid 5798] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5797] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5798] <... futex resumed>) = 0 [pid 5793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5791] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5798] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5796] <... futex resumed>) = 0 [pid 5793] exit_group(0 [pid 5792] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] <... futex resumed>) = 1 [pid 5798] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5796] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5792] <... futex resumed>) = 0 [pid 5791] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5798] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5797] <... futex resumed>) = ? [pid 5796] <... ioctl resumed>) = 0 [pid 5793] <... exit_group resumed>) = ? [pid 5792] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5798] <... ioctl resumed>) = 0 [pid 5797] +++ exited with 0 +++ [pid 5796] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5795] <... mprotect resumed>) = 0 [pid 5798] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5796] <... futex resumed>) = 1 [pid 5791] <... futex resumed>) = 0 [pid 5798] <... futex resumed>) = 1 [pid 5796] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5792] <... futex resumed>) = 0 [pid 5791] exit_group(0 [pid 5798] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5796] <... futex resumed>) = ? [pid 5792] exit_group(0 [pid 5791] <... exit_group resumed>) = ? [pid 5798] <... futex resumed>) = ? [pid 5796] +++ exited with 0 +++ [pid 5792] <... exit_group resumed>) = ? [pid 5798] +++ exited with 0 +++ [pid 5795] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5795] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5799 attached => {parent_tid=[5799]}, 88) = 5799 [pid 5799] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 5795] rt_sigprocmask(SIG_SETMASK, [], [pid 5790] +++ exited with 0 +++ [pid 5799] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5799] rt_sigprocmask(SIG_SETMASK, [], [pid 5795] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5799] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5795] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5795] <... futex resumed>) = 0 [pid 5791] +++ exited with 0 +++ [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5790, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5799] <... openat resumed>) = 3 [pid 5795] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5791, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5799] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5795] <... futex resumed>) = 0 [pid 5799] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5795] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] <... ioctl resumed>) = 0 [pid 5795] <... futex resumed>) = 0 [pid 5795] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5799] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5795] <... futex resumed>) = 0 [pid 5799] <... futex resumed>) = 1 [pid 5795] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5795] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5800 attached [pid 5799] <... ioctl resumed>) = 0 [pid 5795] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5800] set_robust_list(0x555581d606a0, 24 [pid 5799] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] <... set_robust_list resumed>) = 0 [pid 5799] <... futex resumed>) = 1 [pid 5795] <... futex resumed>) = 0 [pid 5800] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5799] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5795] exit_group(0 [pid 5799] <... futex resumed>) = ? [pid 5795] <... exit_group resumed>) = ? [pid 5799] +++ exited with 0 +++ [pid 5795] +++ exited with 0 +++ [pid 5792] +++ exited with 0 +++ [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5800 [pid 5800] <... prctl resumed>) = 0 [pid 5800] setpgid(0, 0 [pid 5793] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5792, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5800] <... setpgid resumed>) = 0 [pid 5800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5793, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5795, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5802 attached ./strace-static-x86_64: Process 5803 attached ./strace-static-x86_64: Process 5801 attached [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5802 [pid 5802] set_robust_list(0x555581d606a0, 24 [pid 5800] write(3, "1000", 4 [pid 5802] <... set_robust_list resumed>) = 0 [pid 5800] <... write resumed>) = 4 [pid 5802] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5800] close(3 [pid 5802] <... prctl resumed>) = 0 [pid 5800] <... close resumed>) = 0 [pid 5802] setpgid(0, 0 [pid 5800] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5802] <... setpgid resumed>) = 0 [pid 5800] <... futex resumed>) = 0 [pid 5802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5800] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5802] <... openat resumed>) = 3 [pid 5800] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5804 attached [pid 5803] set_robust_list(0x555581d606a0, 24 [pid 5801] set_robust_list(0x555581d606a0, 24 [pid 5800] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5804 [pid 5804] set_robust_list(0x555581d606a0, 24 [pid 5803] <... set_robust_list resumed>) = 0 [pid 5802] write(3, "1000", 4 [pid 5801] <... set_robust_list resumed>) = 0 [pid 5800] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5801 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5803 [pid 5804] <... set_robust_list resumed>) = 0 [pid 5802] <... write resumed>) = 4 [pid 5801] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5804] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5803] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5802] close(3 [pid 5800] <... mmap resumed>) = 0x7ff12c95c000 [pid 5804] <... prctl resumed>) = 0 [pid 5802] <... close resumed>) = 0 [pid 5800] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5804] setpgid(0, 0 [pid 5803] <... prctl resumed>) = 0 [pid 5802] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] <... prctl resumed>) = 0 [pid 5800] <... mprotect resumed>) = 0 [pid 5804] <... setpgid resumed>) = 0 [pid 5803] setpgid(0, 0 [pid 5802] <... futex resumed>) = 0 [pid 5801] setpgid(0, 0 [pid 5800] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5803] <... setpgid resumed>) = 0 [pid 5801] <... setpgid resumed>) = 0 [pid 5804] <... openat resumed>) = 3 [pid 5803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5802] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5800] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5802] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5804] write(3, "1000", 4 [pid 5803] <... openat resumed>) = 3 [pid 5802] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5801] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5805 attached [pid 5804] <... write resumed>) = 4 [pid 5802] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5805] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5804] close(3 [pid 5802] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5805] <... rseq resumed>) = 0 [pid 5804] <... close resumed>) = 0 [pid 5803] write(3, "1000", 4 [pid 5802] <... mmap resumed>) = 0x7ff12c95c000 [pid 5801] write(3, "1000", 4 [pid 5800] <... clone3 resumed> => {parent_tid=[5805]}, 88) = 5805 [pid 5805] set_robust_list(0x7ff12c97c9a0, 24 [pid 5804] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] <... write resumed>) = 4 [pid 5805] <... set_robust_list resumed>) = 0 [pid 5804] <... futex resumed>) = 0 [pid 5802] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5800] rt_sigprocmask(SIG_SETMASK, [], [pid 5803] close(3 [pid 5805] rt_sigprocmask(SIG_SETMASK, [], [pid 5804] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5802] <... mprotect resumed>) = 0 [pid 5801] <... write resumed>) = 4 [pid 5800] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5803] <... close resumed>) = 0 [pid 5805] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5804] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5802] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5801] close(3 [pid 5800] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5805] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5804] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5801] <... close resumed>) = 0 [pid 5803] <... futex resumed>) = 0 [pid 5805] <... openat resumed>) = 3 [pid 5804] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5803] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5802] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5801] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] <... futex resumed>) = 0 [pid 5805] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5804] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5803] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5802] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5800] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5806 attached [pid 5805] <... futex resumed>) = 0 [pid 5804] <... mmap resumed>) = 0x7ff12c95c000 [pid 5803] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5801] <... futex resumed>) = 0 [pid 5800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5806] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5805] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5804] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5803] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5801] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5806] <... rseq resumed>) = 0 [pid 5803] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5806] set_robust_list(0x7ff12c97c9a0, 24 [pid 5801] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5806] <... set_robust_list resumed>) = 0 [pid 5805] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5804] <... mprotect resumed>) = 0 [pid 5803] <... mmap resumed>) = 0x7ff12c95c000 [pid 5802] <... clone3 resumed> => {parent_tid=[5806]}, 88) = 5806 [pid 5801] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5800] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] rt_sigprocmask(SIG_SETMASK, [], [pid 5805] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5804] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5803] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5802] rt_sigprocmask(SIG_SETMASK, [], [pid 5801] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5800] <... futex resumed>) = 0 [pid 5806] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5805] <... ioctl resumed>) = 0 [pid 5803] <... mprotect resumed>) = 0 [pid 5802] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5801] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5800] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5806] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5805] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5804] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5802] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] <... mmap resumed>) = 0x7ff12c95c000 [pid 5800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5805] <... futex resumed>) = 0 [pid 5804] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5803] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5802] <... futex resumed>) = 0 [pid 5800] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5805] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5802] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5801] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5800] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5807 attached [pid 5805] <... ioctl resumed>) = 0 [pid 5800] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5807] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5806] <... openat resumed>) = 3 [pid 5805] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5804] <... clone3 resumed> => {parent_tid=[5807]}, 88) = 5807 [pid 5800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5807] <... rseq resumed>) = 0 [pid 5806] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5805] <... futex resumed>) = 0 [pid 5804] rt_sigprocmask(SIG_SETMASK, [], [pid 5800] exit_group(0 [pid 5807] set_robust_list(0x7ff12c97c9a0, 24 [pid 5806] <... futex resumed>) = 1 [pid 5804] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5803] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5802] <... futex resumed>) = 0 [pid 5801] <... mprotect resumed>) = 0 [pid 5800] <... exit_group resumed>) = ? [pid 5807] <... set_robust_list resumed>) = 0 [pid 5806] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5805] +++ exited with 0 +++ [pid 5804] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5802] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5800] +++ exited with 0 +++ [pid 5807] rt_sigprocmask(SIG_SETMASK, [], [pid 5806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5804] <... futex resumed>) = 0 [pid 5802] <... futex resumed>) = 0 [pid 5807] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5804] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5802] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5808 attached [pid 5807] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5806] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5800, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5808] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5806] <... ioctl resumed>) = 0 [pid 5808] <... rseq resumed>) = 0 [pid 5807] <... openat resumed>) = 3 [pid 5803] <... clone3 resumed> => {parent_tid=[5808]}, 88) = 5808 [pid 5801] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5808] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5808] rt_sigprocmask(SIG_SETMASK, [], [pid 5807] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5808] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5804] <... futex resumed>) = 0 [pid 5808] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5807] <... futex resumed>) = 1 [pid 5804] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5807] <... ioctl resumed>) = 0 [pid 5804] <... futex resumed>) = 0 [pid 5807] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5804] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5807] <... futex resumed>) = 0 [pid 5804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5807] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5804] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5804] <... futex resumed>) = 0 [pid 5807] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5804] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5807] <... ioctl resumed>) = 0 [pid 5807] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5809 attached [pid 5806] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] rt_sigprocmask(SIG_SETMASK, [], [pid 5801] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5809] set_robust_list(0x555581d606a0, 24 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5809 [pid 5809] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5810 attached [pid 5809] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5807] <... futex resumed>) = 1 [pid 5806] <... futex resumed>) = 1 [pid 5804] <... futex resumed>) = 0 [pid 5803] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5802] <... futex resumed>) = 0 [pid 5810] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5809] <... prctl resumed>) = 0 [pid 5807] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5804] exit_group(0 [pid 5803] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5802] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5810] <... rseq resumed>) = 0 [pid 5809] setpgid(0, 0 [pid 5807] <... futex resumed>) = ? [pid 5804] <... exit_group resumed>) = ? [pid 5802] <... futex resumed>) = 0 [pid 5810] set_robust_list(0x7ff12c97c9a0, 24 [pid 5809] <... setpgid resumed>) = 0 [pid 5810] <... set_robust_list resumed>) = 0 [pid 5802] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5808] <... futex resumed>) = 0 [pid 5807] +++ exited with 0 +++ [pid 5806] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5803] <... futex resumed>) = 1 [pid 5801] <... clone3 resumed> => {parent_tid=[5810]}, 88) = 5810 [pid 5810] rt_sigprocmask(SIG_SETMASK, [], [pid 5808] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5806] <... ioctl resumed>) = 0 [pid 5803] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5801] rt_sigprocmask(SIG_SETMASK, [], [pid 5808] <... openat resumed>) = 3 [pid 5806] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5810] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5809] <... openat resumed>) = 3 [pid 5808] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] <... futex resumed>) = 1 [pid 5802] <... futex resumed>) = 0 [pid 5810] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5809] write(3, "1000", 4 [pid 5802] exit_group(0 [pid 5809] <... write resumed>) = 4 [pid 5802] <... exit_group resumed>) = ? [pid 5809] close(3) = 0 [pid 5808] <... futex resumed>) = 1 [pid 5804] +++ exited with 0 +++ [pid 5803] <... futex resumed>) = 0 [pid 5801] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5810] <... futex resumed>) = 0 [pid 5809] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5808] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5806] +++ exited with 0 +++ [pid 5803] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5802] +++ exited with 0 +++ [pid 5801] <... futex resumed>) = 1 [pid 5810] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5809] <... futex resumed>) = 0 [pid 5808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5803] <... futex resumed>) = 0 [pid 5801] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5810] <... openat resumed>) = 3 [pid 5809] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5808] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5803] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5804, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5802, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5810] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5808] <... ioctl resumed>) = 0 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5810] <... futex resumed>) = 1 [pid 5809] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5808] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] <... futex resumed>) = 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5810] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5809] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5808] <... futex resumed>) = 1 [pid 5803] <... futex resumed>) = 0 [pid 5801] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5801] <... futex resumed>) = 0 [pid 5809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5801] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5810] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5803] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5808] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5803] <... futex resumed>) = 0 [pid 5808] <... ioctl resumed>) = 0 [pid 5808] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5808] <... futex resumed>) = 0 [pid 5808] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5809] <... mmap resumed>) = 0x7ff12c95c000 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5810] <... ioctl resumed>) = 0 [pid 5803] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5809] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5809] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ./strace-static-x86_64: Process 5812 attached ./strace-static-x86_64: Process 5811 attached [pid 5810] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] exit_group(0 [pid 5812] set_robust_list(0x555581d606a0, 24 [pid 5811] set_robust_list(0x555581d606a0, 24 [pid 5810] <... futex resumed>) = 1 [pid 5809] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5808] <... futex resumed>) = ? [pid 5803] <... exit_group resumed>) = ? [pid 5801] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5812 ./strace-static-x86_64: Process 5813 attached [pid 5812] <... set_robust_list resumed>) = 0 [pid 5811] <... set_robust_list resumed>) = 0 [pid 5810] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5808] +++ exited with 0 +++ [pid 5803] +++ exited with 0 +++ [pid 5801] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5811 [pid 5813] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5812] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5811] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5809] <... clone3 resumed> => {parent_tid=[5813]}, 88) = 5813 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5803, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5812] <... prctl resumed>) = 0 [pid 5811] <... prctl resumed>) = 0 [pid 5809] rt_sigprocmask(SIG_SETMASK, [], [pid 5813] <... rseq resumed>) = 0 [pid 5812] setpgid(0, 0 [pid 5811] setpgid(0, 0 [pid 5810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5809] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5801] <... futex resumed>) = 0 [pid 5813] set_robust_list(0x7ff12c97c9a0, 24 [pid 5812] <... setpgid resumed>) = 0 [pid 5811] <... setpgid resumed>) = 0 [pid 5810] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5809] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5813] <... set_robust_list resumed>) = 0 [pid 5812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5810] <... ioctl resumed>) = 0 [pid 5809] <... futex resumed>) = 0 [pid 5813] rt_sigprocmask(SIG_SETMASK, [], [pid 5810] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5812] <... openat resumed>) = 3 [pid 5811] <... openat resumed>) = 3 [pid 5810] <... futex resumed>) = 1 [pid 5809] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5801] <... futex resumed>) = 0 [pid 5810] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5801] exit_group(0 [pid 5813] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5812] write(3, "1000", 4 [pid 5811] write(3, "1000", 4 [pid 5810] <... futex resumed>) = ? [pid 5801] <... exit_group resumed>) = ? [pid 5812] <... write resumed>) = 4 [pid 5811] <... write resumed>) = 4 [pid 5810] +++ exited with 0 +++ [pid 5812] close(3 [pid 5811] close(3 [pid 5812] <... close resumed>) = 0 [pid 5811] <... close resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5813] <... openat resumed>) = 3 [pid 5812] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5811] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5812] <... futex resumed>) = 0 [pid 5811] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5812] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5811] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5812] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5811] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5812] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5811] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5801] +++ exited with 0 +++ [pid 5812] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5811] <... mmap resumed>) = 0x7ff12c95c000 [pid 5813] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5811] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5801, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5813] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5811] <... mprotect resumed>) = 0 [pid 5809] <... futex resumed>) = 0 [pid 5812] <... mmap resumed>) = 0x7ff12c95c000 [pid 5811] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5809] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] <... futex resumed>) = 0 [pid 5812] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5811] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5809] <... futex resumed>) = 1 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5814 attached [pid 5813] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5812] <... mprotect resumed>) = 0 [pid 5811] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5809] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5814 [pid 5814] set_robust_list(0x555581d606a0, 24 [pid 5813] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5815 attached [pid 5815] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5812] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5811] <... clone3 resumed> => {parent_tid=[5815]}, 88) = 5815 [pid 5815] <... rseq resumed>) = 0 [pid 5812] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5811] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5816 attached [pid 5815] set_robust_list(0x7ff12c97c9a0, 24 [pid 5814] <... set_robust_list resumed>) = 0 [pid 5813] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5812] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5811] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5815] <... set_robust_list resumed>) = 0 [pid 5816] set_robust_list(0x555581d606a0, 24 [pid 5815] rt_sigprocmask(SIG_SETMASK, [], [pid 5814] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5813] <... futex resumed>) = 1 [pid 5811] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5817 attached [pid 5816] <... set_robust_list resumed>) = 0 [pid 5815] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5814] <... prctl resumed>) = 0 [pid 5813] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5809] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5816 [pid 5817] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5816] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5815] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5814] setpgid(0, 0 [pid 5813] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5812] <... clone3 resumed> => {parent_tid=[5817]}, 88) = 5817 [pid 5811] <... futex resumed>) = 0 [pid 5809] <... futex resumed>) = 0 [pid 5817] <... rseq resumed>) = 0 [pid 5816] <... prctl resumed>) = 0 [pid 5815] <... openat resumed>) = 3 [pid 5814] <... setpgid resumed>) = 0 [pid 5813] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5812] rt_sigprocmask(SIG_SETMASK, [], [pid 5811] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5809] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5817] set_robust_list(0x7ff12c97c9a0, 24 [pid 5816] setpgid(0, 0 [pid 5815] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] <... ioctl resumed>) = 0 [pid 5812] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5811] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5817] <... set_robust_list resumed>) = 0 [pid 5816] <... setpgid resumed>) = 0 [pid 5815] <... futex resumed>) = 0 [pid 5814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5813] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5812] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5811] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] rt_sigprocmask(SIG_SETMASK, [], [pid 5816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5815] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5813] <... futex resumed>) = 1 [pid 5812] <... futex resumed>) = 0 [pid 5811] <... futex resumed>) = 0 [pid 5809] <... futex resumed>) = 0 [pid 5817] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5816] <... openat resumed>) = 3 [pid 5815] <... ioctl resumed>) = 0 [pid 5813] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5812] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5811] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5809] exit_group(0 [pid 5815] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] write(3, "1000", 4 [pid 5815] <... futex resumed>) = 1 [pid 5811] <... futex resumed>) = 0 [pid 5816] <... write resumed>) = 4 [pid 5815] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5811] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] close(3 [pid 5815] <... ioctl resumed>) = 0 [pid 5811] <... futex resumed>) = 0 [pid 5811] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5816] <... close resumed>) = 0 [pid 5815] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5815] <... futex resumed>) = 1 [pid 5811] <... futex resumed>) = 0 [pid 5816] <... futex resumed>) = 0 [pid 5815] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5811] exit_group(0 [pid 5816] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5815] <... futex resumed>) = ? [pid 5811] <... exit_group resumed>) = ? [pid 5817] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5816] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5815] +++ exited with 0 +++ [pid 5814] <... openat resumed>) = 3 [pid 5813] <... futex resumed>) = ? [pid 5811] +++ exited with 0 +++ [pid 5809] <... exit_group resumed>) = ? [pid 5816] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5811, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5817] <... openat resumed>) = 3 [pid 5814] write(3, "1000", 4 [pid 5813] +++ exited with 0 +++ [pid 5809] +++ exited with 0 +++ [pid 5817] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5814] <... write resumed>) = 4 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5809, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5817] <... futex resumed>) = 1 [pid 5816] <... mprotect resumed>) = 0 [pid 5814] close(3 [pid 5812] <... futex resumed>) = 0 [pid 5817] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5816] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5814] <... close resumed>) = 0 [pid 5812] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5818 attached [pid 5817] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5816] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5814] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5812] <... futex resumed>) = 0 [pid 5817] <... ioctl resumed>) = 0 [pid 5816] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5814] <... futex resumed>) = 0 [pid 5812] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5817] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5817] <... futex resumed>) = 1 [pid 5812] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5819 attached [pid 5818] set_robust_list(0x555581d606a0, 24 [pid 5817] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5816] <... clone3 resumed> => {parent_tid=[5819]}, 88) = 5819 [pid 5814] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5812] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5818 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5819] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5817] <... ioctl resumed>) = 0 [pid 5816] rt_sigprocmask(SIG_SETMASK, [], [pid 5814] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5812] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5820 attached [pid 5819] <... rseq resumed>) = 0 [pid 5818] <... set_robust_list resumed>) = 0 [pid 5817] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5814] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5812] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5820] set_robust_list(0x555581d606a0, 24 [pid 5819] set_robust_list(0x7ff12c97c9a0, 24 [pid 5818] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5817] <... futex resumed>) = 0 [pid 5816] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5820] <... set_robust_list resumed>) = 0 [pid 5819] <... set_robust_list resumed>) = 0 [pid 5818] <... prctl resumed>) = 0 [pid 5817] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5816] <... futex resumed>) = 0 [pid 5814] <... mmap resumed>) = 0x7ff12c95c000 [pid 5820] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5819] rt_sigprocmask(SIG_SETMASK, [], [pid 5818] setpgid(0, 0 [pid 5816] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5814] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5812] exit_group(0 [pid 5820] <... prctl resumed>) = 0 [pid 5819] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5818] <... setpgid resumed>) = 0 [pid 5817] <... futex resumed>) = ? [pid 5814] <... mprotect resumed>) = 0 [pid 5812] <... exit_group resumed>) = ? [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5820 [pid 5820] setpgid(0, 0 [pid 5819] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5817] +++ exited with 0 +++ [pid 5814] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5812] +++ exited with 0 +++ [pid 5820] <... setpgid resumed>) = 0 [pid 5819] <... openat resumed>) = 3 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5812, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5819] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5819] <... futex resumed>) = 1 [pid 5818] <... openat resumed>) = 3 [pid 5814] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5821 attached [pid 5820] <... openat resumed>) = 3 [pid 5819] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5818] write(3, "1000", 4 [pid 5816] <... futex resumed>) = 0 [pid 5821] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5820] write(3, "1000", 4 [pid 5818] <... write resumed>) = 4 [pid 5816] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... clone3 resumed> => {parent_tid=[5821]}, 88) = 5821 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5821] <... rseq resumed>) = 0 [pid 5820] <... write resumed>) = 4 [pid 5819] <... futex resumed>) = 0 [pid 5818] close(3 [pid 5816] <... futex resumed>) = 1 [pid 5814] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5822 attached [pid 5821] set_robust_list(0x7ff12c97c9a0, 24 [pid 5820] close(3 [pid 5819] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5818] <... close resumed>) = 0 [pid 5816] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5822] set_robust_list(0x555581d606a0, 24 [pid 5821] <... set_robust_list resumed>) = 0 [pid 5820] <... close resumed>) = 0 [pid 5819] <... ioctl resumed>) = 0 [pid 5818] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5821] rt_sigprocmask(SIG_SETMASK, [], [pid 5822] <... set_robust_list resumed>) = 0 [pid 5821] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5818] <... futex resumed>) = 0 [pid 5822] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5821] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5820] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5814] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] <... prctl resumed>) = 0 [pid 5821] <... openat resumed>) = 3 [pid 5820] <... futex resumed>) = 0 [pid 5819] <... futex resumed>) = 1 [pid 5818] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5816] <... futex resumed>) = 0 [pid 5814] <... futex resumed>) = 0 [pid 5822] setpgid(0, 0 [pid 5821] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5819] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5818] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5816] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5822 [pid 5822] <... setpgid resumed>) = 0 [pid 5821] <... futex resumed>) = 0 [pid 5820] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5818] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5816] <... futex resumed>) = 0 [pid 5814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5821] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5820] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5819] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5816] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5814] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] <... openat resumed>) = 3 [pid 5821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5820] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5819] <... ioctl resumed>) = 0 [pid 5818] <... mmap resumed>) = 0x7ff12c95c000 [pid 5814] <... futex resumed>) = 0 [pid 5822] write(3, "1000", 4 [pid 5821] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5818] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5814] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5822] <... write resumed>) = 4 [pid 5821] <... ioctl resumed>) = 0 [pid 5820] <... mmap resumed>) = 0x7ff12c95c000 [pid 5819] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] <... mprotect resumed>) = 0 [pid 5822] close(3 [pid 5821] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5819] <... futex resumed>) = 1 [pid 5818] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5816] <... futex resumed>) = 0 [pid 5822] <... close resumed>) = 0 [pid 5821] <... futex resumed>) = 1 [pid 5820] <... mprotect resumed>) = 0 [pid 5819] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5818] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5816] exit_group(0 [pid 5814] <... futex resumed>) = 0 [pid 5822] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5820] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5819] <... futex resumed>) = ? [pid 5818] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5816] <... exit_group resumed>) = ? [pid 5814] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5823 attached [pid 5822] <... futex resumed>) = 0 [pid 5821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5820] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5819] +++ exited with 0 +++ [pid 5816] +++ exited with 0 +++ [pid 5814] <... futex resumed>) = 0 [pid 5823] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5822] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5821] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5820] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5818] <... clone3 resumed> => {parent_tid=[5823]}, 88) = 5823 [pid 5814] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5824 attached [pid 5823] <... rseq resumed>) = 0 [pid 5822] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5821] <... ioctl resumed>) = 0 [pid 5818] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5816, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5824] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5823] set_robust_list(0x7ff12c97c9a0, 24 [pid 5822] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5821] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] <... clone3 resumed> => {parent_tid=[5824]}, 88) = 5824 [pid 5818] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5824] <... rseq resumed>) = 0 [pid 5823] <... set_robust_list resumed>) = 0 [pid 5822] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5821] <... futex resumed>) = 1 [pid 5814] <... futex resumed>) = 0 [pid 5824] set_robust_list(0x7ff12c97c9a0, 24 [pid 5823] rt_sigprocmask(SIG_SETMASK, [], [pid 5822] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5821] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5820] rt_sigprocmask(SIG_SETMASK, [], [pid 5818] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] exit_group(0 [pid 5824] <... set_robust_list resumed>) = 0 [pid 5823] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5822] <... mmap resumed>) = 0x7ff12c95c000 [pid 5820] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5818] <... futex resumed>) = 0 [pid 5823] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5821] <... futex resumed>) = ? [pid 5818] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5814] <... exit_group resumed>) = ? [pid 5820] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5822] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5824] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5825 attached NULL, 8) = 0 [pid 5823] <... openat resumed>) = 3 [pid 5822] <... mprotect resumed>) = 0 [pid 5821] +++ exited with 0 +++ [pid 5820] <... futex resumed>) = 0 [pid 5814] +++ exited with 0 +++ [pid 5825] set_robust_list(0x555581d606a0, 24 [pid 5820] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5824] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5823] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5814, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5825] <... set_robust_list resumed>) = 0 [pid 5824] <... openat resumed>) = 3 [pid 5823] <... futex resumed>) = 1 [pid 5822] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5818] <... futex resumed>) = 0 [pid 5825] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5824] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5822] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5818] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] <... prctl resumed>) = 0 [pid 5824] <... futex resumed>) = 1 [pid 5823] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5822] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5820] <... futex resumed>) = 0 [pid 5818] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5825 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5827 attached [pid 5825] setpgid(0, 0 [pid 5824] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5823] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5820] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5825] <... setpgid resumed>) = 0 [pid 5823] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5826 attached [pid 5827] set_robust_list(0x555581d606a0, 24 [pid 5825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5824] <... ioctl resumed>) = 0 [pid 5823] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] <... futex resumed>) = 0 [pid 5827] <... set_robust_list resumed>) = 0 [pid 5826] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5825] <... openat resumed>) = 3 [pid 5824] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] <... futex resumed>) = 1 [pid 5822] <... clone3 resumed> => {parent_tid=[5826]}, 88) = 5826 [pid 5820] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5818] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5827 [pid 5827] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5826] <... rseq resumed>) = 0 [pid 5825] write(3, "1000", 4 [pid 5824] <... futex resumed>) = 0 [pid 5823] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5822] rt_sigprocmask(SIG_SETMASK, [], [pid 5820] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5818] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... prctl resumed>) = 0 [pid 5826] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5827] setpgid(0, 0 [pid 5826] rt_sigprocmask(SIG_SETMASK, [], [pid 5825] <... write resumed>) = 4 [pid 5824] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5823] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5822] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5820] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] <... futex resumed>) = 0 [pid 5827] <... setpgid resumed>) = 0 [pid 5826] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5825] close(3 [pid 5824] <... ioctl resumed>) = 0 [pid 5823] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5822] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] <... futex resumed>) = 0 [pid 5818] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5826] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5825] <... close resumed>) = 0 [pid 5824] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] <... ioctl resumed>) = 0 [pid 5822] <... futex resumed>) = 0 [pid 5820] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] <... openat resumed>) = 3 [pid 5826] <... openat resumed>) = 3 [pid 5825] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] <... futex resumed>) = 0 [pid 5823] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5820] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5827] write(3, "1000", 4 [pid 5826] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] <... futex resumed>) = 0 [pid 5824] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5823] <... futex resumed>) = 1 [pid 5820] exit_group(0 [pid 5818] <... futex resumed>) = 0 [pid 5827] <... write resumed>) = 4 [pid 5826] <... futex resumed>) = 1 [pid 5825] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5824] <... futex resumed>) = ? [pid 5823] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5822] <... futex resumed>) = 0 [pid 5820] <... exit_group resumed>) = ? [pid 5818] exit_group(0 [pid 5827] close(3 [pid 5826] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5825] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5824] +++ exited with 0 +++ [pid 5822] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5822] <... futex resumed>) = 0 [pid 5822] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080) = 0 [pid 5826] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... close resumed>) = 0 [pid 5818] <... exit_group resumed>) = ? [pid 5825] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5823] <... futex resumed>) = ? [pid 5827] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... futex resumed>) = 1 [pid 5825] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5822] <... futex resumed>) = 0 [pid 5820] +++ exited with 0 +++ [pid 5827] <... futex resumed>) = 0 [pid 5826] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5822] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... ioctl resumed>) = 0 [pid 5822] <... futex resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5820, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5827] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5826] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] <... mmap resumed>) = 0x7ff12c95c000 [pid 5827] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5826] <... futex resumed>) = 0 [pid 5825] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5822] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5827] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5826] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5825] <... mprotect resumed>) = 0 [pid 5822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5827] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5822] exit_group(0 [pid 5065] <... restart_syscall resumed>) = 0 [pid 5827] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5826] <... futex resumed>) = ? [pid 5825] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5823] +++ exited with 0 +++ [pid 5822] <... exit_group resumed>) = ? [pid 5818] +++ exited with 0 +++ [pid 5827] <... mmap resumed>) = 0x7ff12c95c000 [pid 5826] +++ exited with 0 +++ [pid 5825] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5827] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5825] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5818, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 5828 attached [pid 5827] <... mprotect resumed>) = 0 [pid 5822] +++ exited with 0 +++ [pid 5828] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5825] <... clone3 resumed> => {parent_tid=[5828]}, 88) = 5828 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5822, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5829 attached [pid 5828] <... rseq resumed>) = 0 [pid 5827] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5825] rt_sigprocmask(SIG_SETMASK, [], [pid 5066] <... restart_syscall resumed>) = 0 [pid 5828] set_robust_list(0x7ff12c97c9a0, 24 [pid 5827] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5825] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] set_robust_list(0x555581d606a0, 24 [pid 5828] <... set_robust_list resumed>) = 0 [pid 5827] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5825] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... set_robust_list resumed>) = 0 [pid 5828] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5829 [pid 5829] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5828] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5825] <... futex resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5830 attached [pid 5829] <... prctl resumed>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5825] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5829] setpgid(0, 0 [pid 5828] <... openat resumed>) = 3 [pid 5827] <... clone3 resumed> => {parent_tid=[5830]}, 88) = 5830 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5831 attached ./strace-static-x86_64: Process 5832 attached [pid 5830] <... rseq resumed>) = 0 [pid 5829] <... setpgid resumed>) = 0 [pid 5828] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] set_robust_list(0x555581d606a0, 24 [pid 5831] set_robust_list(0x555581d606a0, 24 [pid 5830] set_robust_list(0x7ff12c97c9a0, 24 [pid 5829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5828] <... futex resumed>) = 1 [pid 5827] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5825] <... futex resumed>) = 0 [pid 5832] <... set_robust_list resumed>) = 0 [pid 5831] <... set_robust_list resumed>) = 0 [pid 5830] <... set_robust_list resumed>) = 0 [pid 5828] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5827] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] rt_sigprocmask(SIG_SETMASK, [], [pid 5828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5827] <... futex resumed>) = 0 [pid 5825] <... futex resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5832] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5831 [pid 5832] <... prctl resumed>) = 0 [pid 5831] <... prctl resumed>) = 0 [pid 5830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] write(3, "1000", 4 [pid 5828] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5827] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5825] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] setpgid(0, 0 [pid 5830] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5829] <... write resumed>) = 4 [pid 5828] <... ioctl resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5832 [pid 5832] setpgid(0, 0 [pid 5831] <... setpgid resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5829] close(3 [pid 5828] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] <... close resumed>) = 0 [pid 5828] <... futex resumed>) = 1 [pid 5832] <... setpgid resumed>) = 0 [pid 5830] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] <... futex resumed>) = 0 [pid 5830] <... futex resumed>) = 1 [pid 5829] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5827] <... futex resumed>) = 0 [pid 5825] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... openat resumed>) = 3 [pid 5830] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5829] <... futex resumed>) = 0 [pid 5828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5827] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] <... futex resumed>) = 0 [pid 5831] write(3, "1000", 4 [pid 5830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5829] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5828] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5827] <... futex resumed>) = 0 [pid 5825] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... openat resumed>) = 3 [pid 5831] <... write resumed>) = 4 [pid 5830] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5829] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5828] <... ioctl resumed>) = 0 [pid 5827] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] write(3, "1000", 4 [pid 5831] close(3 [pid 5830] <... ioctl resumed>) = 0 [pid 5829] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5828] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... write resumed>) = 4 [pid 5831] <... close resumed>) = 0 [pid 5830] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5828] <... futex resumed>) = 1 [pid 5825] <... futex resumed>) = 0 [pid 5832] close(3 [pid 5831] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... futex resumed>) = 1 [pid 5829] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5828] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5827] <... futex resumed>) = 0 [pid 5825] exit_group(0 [pid 5832] <... close resumed>) = 0 [pid 5831] <... futex resumed>) = 0 [pid 5827] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... futex resumed>) = 0 [pid 5831] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5830] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5829] <... mmap resumed>) = 0x7ff12c95c000 [pid 5828] <... futex resumed>) = ? [pid 5827] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... futex resumed>) = 0 [pid 5825] <... exit_group resumed>) = ? [pid 5831] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5832] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5831] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5828] +++ exited with 0 +++ [pid 5829] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5832] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5831] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] +++ exited with 0 +++ [pid 5832] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5831] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5830] <... futex resumed>) = 1 [pid 5829] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5827] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5825, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5830] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5827] exit_group(0 [pid 5830] <... futex resumed>) = ? [pid 5829] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5827] <... exit_group resumed>) = ? [pid 5832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... mmap resumed>) = 0x7ff12c95c000 [pid 5830] +++ exited with 0 +++ [pid 5829] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5832] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 ./strace-static-x86_64: Process 5833 attached [pid 5832] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5831] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5827] +++ exited with 0 +++ [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5832] <... mprotect resumed>) = 0 [pid 5831] <... mprotect resumed>) = 0 [pid 5829] <... clone3 resumed> => {parent_tid=[5833]}, 88) = 5833 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5827, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- ./strace-static-x86_64: Process 5834 attached [pid 5829] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] <... rseq resumed>) = 0 [pid 5834] set_robust_list(0x555581d606a0, 24 [pid 5833] set_robust_list(0x7ff12c97c9a0, 24 [pid 5831] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] <... set_robust_list resumed>) = 0 [pid 5831] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5834] <... set_robust_list resumed>) = 0 [pid 5833] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5835 attached ./strace-static-x86_64: Process 5836 attached [pid 5834] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] <... clone3 resumed> => {parent_tid=[5835]}, 88) = 5835 [pid 5829] <... futex resumed>) = 0 [pid 5835] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5829] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] set_robust_list(0x555581d606a0, 24 [pid 5835] <... rseq resumed>) = 0 [pid 5836] <... set_robust_list resumed>) = 0 [pid 5835] set_robust_list(0x7ff12c97c9a0, 24 [pid 5833] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5831] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5836] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] <... set_robust_list resumed>) = 0 [pid 5834] <... prctl resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5834 ./strace-static-x86_64: Process 5837 attached [pid 5836] <... prctl resumed>) = 0 [pid 5835] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5836 [pid 5837] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5836] setpgid(0, 0 [pid 5835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5834] setpgid(0, 0 [pid 5833] <... openat resumed>) = 3 [pid 5832] <... clone3 resumed> => {parent_tid=[5837]}, 88) = 5837 [pid 5831] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... rseq resumed>) = 0 [pid 5836] <... setpgid resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5837] set_robust_list(0x7ff12c97c9a0, 24 [pid 5835] <... openat resumed>) = 3 [pid 5837] <... set_robust_list resumed>) = 0 [pid 5835] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] rt_sigprocmask(SIG_SETMASK, [], [pid 5835] <... futex resumed>) = 0 [pid 5837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5835] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5837] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5835] <... futex resumed>) = 0 [pid 5834] <... setpgid resumed>) = 0 [pid 5831] <... futex resumed>) = 1 [pid 5836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] <... openat resumed>) = 3 [pid 5834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5832] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] write(3, "1000", 4 [pid 5835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5833] <... futex resumed>) = 1 [pid 5832] <... futex resumed>) = 1 [pid 5831] <... futex resumed>) = 0 [pid 5829] <... futex resumed>) = 0 [pid 5836] <... write resumed>) = 4 [pid 5832] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... futex resumed>) = 0 [pid 5836] close(3 [pid 5835] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5834] <... openat resumed>) = 3 [pid 5833] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5829] <... futex resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5835] <... ioctl resumed>) = 0 [pid 5836] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... ioctl resumed>) = 0 [pid 5829] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5836] <... futex resumed>) = 0 [pid 5835] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] write(3, "1000", 4 [pid 5833] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5836] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5835] <... futex resumed>) = 1 [pid 5834] <... write resumed>) = 4 [pid 5833] <... futex resumed>) = 0 [pid 5831] <... futex resumed>) = 0 [pid 5829] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5835] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5834] close(3 [pid 5837] <... openat resumed>) = 3 [pid 5833] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5831] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... futex resumed>) = 0 [pid 5836] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5833] <... ioctl resumed>) = 0 [pid 5831] <... futex resumed>) = 0 [pid 5829] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5834] <... close resumed>) = 0 [pid 5837] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... ioctl resumed>) = 0 [pid 5836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] <... futex resumed>) = 1 [pid 5835] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... futex resumed>) = 0 [pid 5831] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5837] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5835] <... futex resumed>) = 0 [pid 5834] <... futex resumed>) = 0 [pid 5833] <... futex resumed>) = 0 [pid 5832] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5829] exit_group(0 [pid 5837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5836] <... mmap resumed>) = 0x7ff12c95c000 [pid 5835] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5834] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5832] <... futex resumed>) = 0 [pid 5831] exit_group(0 [pid 5829] <... exit_group resumed>) = ? [pid 5837] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5836] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5835] <... futex resumed>) = ? [pid 5834] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5833] +++ exited with 0 +++ [pid 5832] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... exit_group resumed>) = ? [pid 5837] <... ioctl resumed>) = 0 [pid 5836] <... mprotect resumed>) = 0 [pid 5835] +++ exited with 0 +++ [pid 5834] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5831] +++ exited with 0 +++ [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5831, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5837] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] <... futex resumed>) = 1 [pid 5836] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] <... futex resumed>) = 0 [pid 5829] +++ exited with 0 +++ [pid 5837] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] <... futex resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5829, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5836] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5834] <... mmap resumed>) = 0x7ff12c95c000 [pid 5832] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5838 attached [pid 5837] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5834] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5065] <... restart_syscall resumed>) = 0 [pid 5838] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5837] <... ioctl resumed>) = 0 [pid 5836] <... clone3 resumed> => {parent_tid=[5838]}, 88) = 5838 [pid 5838] <... rseq resumed>) = 0 [pid 5836] rt_sigprocmask(SIG_SETMASK, [], [pid 5834] <... mprotect resumed>) = 0 [pid 5838] set_robust_list(0x7ff12c97c9a0, 24 [pid 5836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] <... set_robust_list resumed>) = 0 [pid 5837] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] rt_sigprocmask(SIG_SETMASK, [], [pid 5837] <... futex resumed>) = 1 [pid 5836] <... futex resumed>) = 0 [pid 5832] <... futex resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5839 attached [pid 5838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5836] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5834] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] exit_group(0./strace-static-x86_64: Process 5840 attached [pid 5839] set_robust_list(0x555581d606a0, 24 [pid 5838] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5837] <... futex resumed>) = ? [pid 5834] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] <... exit_group resumed>) = ? [pid 5840] set_robust_list(0x555581d606a0, 24 [pid 5839] <... set_robust_list resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5837] +++ exited with 0 +++ [pid 5834] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5839 [pid 5840] <... set_robust_list resumed>) = 0 [pid 5838] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5840 [pid 5840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5839] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5841 attached [pid 5839] <... prctl resumed>) = 0 [pid 5838] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5836] <... futex resumed>) = 0 [pid 5841] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5840] <... prctl resumed>) = 0 [pid 5839] setpgid(0, 0 [pid 5834] <... clone3 resumed> => {parent_tid=[5841]}, 88) = 5841 [pid 5841] <... rseq resumed>) = 0 [pid 5840] setpgid(0, 0 [pid 5839] <... setpgid resumed>) = 0 [pid 5836] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] +++ exited with 0 +++ [pid 5841] set_robust_list(0x7ff12c97c9a0, 24 [pid 5840] <... setpgid resumed>) = 0 [pid 5838] <... futex resumed>) = 0 [pid 5836] <... futex resumed>) = 1 [pid 5841] <... set_robust_list resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5836] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5834] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5841] rt_sigprocmask(SIG_SETMASK, [], [pid 5834] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5839] <... openat resumed>) = 3 [pid 5838] <... ioctl resumed>) = 0 [pid 5834] <... futex resumed>) = 0 [pid 5841] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5840] write(3, "1000", 4 [pid 5838] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5832, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5841] <... openat resumed>) = 3 [pid 5839] write(3, "1000", 4 [pid 5838] <... futex resumed>) = 1 [pid 5836] <... futex resumed>) = 0 [pid 5834] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5842 attached [pid 5841] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... write resumed>) = 4 [pid 5839] <... write resumed>) = 4 [pid 5838] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5836] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... futex resumed>) = 1 [pid 5839] close(3 [pid 5838] <... ioctl resumed>) = 0 [pid 5834] <... futex resumed>) = 0 [pid 5836] <... futex resumed>) = 0 [pid 5842] set_robust_list(0x555581d606a0, 24 [pid 5840] close(3 [pid 5838] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5842] <... set_robust_list resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5838] <... futex resumed>) = 0 [pid 5836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5841] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5839] <... close resumed>) = 0 [pid 5836] exit_group(0 [pid 5834] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5841] <... ioctl resumed>) = 0 [pid 5840] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... exit_group resumed>) = ? [pid 5834] <... futex resumed>) = 0 [pid 5841] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... futex resumed>) = 0 [pid 5834] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5842 [pid 5841] <... futex resumed>) = 0 [pid 5839] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5841] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5839] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5834] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5839] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5834] <... futex resumed>) = 0 [pid 5841] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5834] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5841] <... ioctl resumed>) = 0 [pid 5839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5841] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... mmap resumed>) = 0x7ff12c95c000 [pid 5842] <... prctl resumed>) = 0 [pid 5841] <... futex resumed>) = 1 [pid 5840] <... futex resumed>) = 0 [pid 5838] +++ exited with 0 +++ [pid 5836] +++ exited with 0 +++ [pid 5834] <... futex resumed>) = 0 [pid 5841] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5839] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5834] exit_group(0 [pid 5841] <... futex resumed>) = ? [pid 5839] <... mprotect resumed>) = 0 [pid 5834] <... exit_group resumed>) = ? [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5836, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] setpgid(0, 0 [pid 5841] +++ exited with 0 +++ [pid 5840] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5839] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5834] +++ exited with 0 +++ [pid 5068] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5834, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] <... setpgid resumed>) = 0 [pid 5840] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5839] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5839] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5843 attached [pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5072] <... restart_syscall resumed>) = 0 [pid 5840] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5843] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5843] <... rseq resumed>) = 0 [pid 5843] set_robust_list(0x7ff12c97c9a0, 24 [pid 5842] <... openat resumed>) = 3 [pid 5840] <... mmap resumed>) = 0x7ff12c95c000 [pid 5839] <... clone3 resumed> => {parent_tid=[5843]}, 88) = 5843 ./strace-static-x86_64: Process 5844 attached [pid 5843] <... set_robust_list resumed>) = 0 [pid 5842] write(3, "1000", 4 [pid 5840] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5839] rt_sigprocmask(SIG_SETMASK, [], [pid 5844] set_robust_list(0x555581d606a0, 24 [pid 5843] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5842] <... write resumed>) = 4 [pid 5839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... mprotect resumed>) = 0 [pid 5844] <... set_robust_list resumed>) = 0 [pid 5843] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] close(3 [pid 5844] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] <... close resumed>) = 0 [pid 5840] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5839] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5845 attached ) = 1 [pid 5839] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5844 [pid 5845] set_robust_list(0x555581d606a0, 24) = 0 [pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] <... futex resumed>) = 0 [pid 5842] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] <... prctl resumed>) = 0 [pid 5845] setpgid(0, 0) = 0 [pid 5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5845 [pid 5844] <... prctl resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5842] <... futex resumed>) = 0 [pid 5840] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5845] <... openat resumed>) = 3 [pid 5844] setpgid(0, 0 [pid 5843] <... openat resumed>) = 3 [pid 5842] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5840] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5846 attached [pid 5845] write(3, "1000", 4 [pid 5844] <... setpgid resumed>) = 0 [pid 5843] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5846] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5845] <... write resumed>) = 4 [pid 5842] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5840] <... clone3 resumed> => {parent_tid=[5846]}, 88) = 5846 [pid 5846] <... rseq resumed>) = 0 [pid 5845] close(3 [pid 5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] <... futex resumed>) = 1 [pid 5842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] rt_sigprocmask(SIG_SETMASK, [], [pid 5839] <... futex resumed>) = 0 [pid 5846] set_robust_list(0x7ff12c97c9a0, 24 [pid 5845] <... close resumed>) = 0 [pid 5843] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5840] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] <... set_robust_list resumed>) = 0 [pid 5845] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... futex resumed>) = 0 [pid 5846] rt_sigprocmask(SIG_SETMASK, [], [pid 5845] <... futex resumed>) = 0 [pid 5842] <... mmap resumed>) = 0x7ff12c95c000 [pid 5840] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5846] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5845] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5844] <... openat resumed>) = 3 [pid 5843] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5842] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5840] <... futex resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5845] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5843] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5840] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5846] <... openat resumed>) = 3 [pid 5845] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5844] write(3, "1000", 4 [pid 5843] <... ioctl resumed>) = 0 [pid 5842] <... mprotect resumed>) = 0 [pid 5845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5844] <... write resumed>) = 4 [pid 5843] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5846] <... futex resumed>) = 1 [pid 5845] <... mmap resumed>) = 0x7ff12c95c000 [pid 5842] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5840] <... futex resumed>) = 0 [pid 5846] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5845] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5845] <... mprotect resumed>) = 0 [pid 5844] close(3 [pid 5843] <... futex resumed>) = 1 [pid 5842] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5840] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... futex resumed>) = 0 [pid 5846] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5845] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5844] <... close resumed>) = 0 [pid 5843] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5840] <... futex resumed>) = 0 [pid 5839] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] <... ioctl resumed>) = 0 [pid 5845] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5843] <... ioctl resumed>) = 0 [pid 5840] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5847 attached [pid 5846] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5844] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5839] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5848 attached [pid 5847] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5846] <... futex resumed>) = 0 [pid 5844] <... futex resumed>) = 0 [pid 5843] <... futex resumed>) = 0 [pid 5842] <... clone3 resumed> => {parent_tid=[5847]}, 88) = 5847 [pid 5840] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5848] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5847] <... rseq resumed>) = 0 [pid 5846] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5845] <... clone3 resumed> => {parent_tid=[5848]}, 88) = 5848 [pid 5844] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5843] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] <... futex resumed>) = 0 [pid 5839] exit_group(0 [pid 5848] <... rseq resumed>) = 0 [pid 5847] set_robust_list(0x7ff12c97c9a0, 24 [pid 5846] <... ioctl resumed>) = 0 [pid 5845] rt_sigprocmask(SIG_SETMASK, [], [pid 5844] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5843] <... futex resumed>) = ? [pid 5842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] <... exit_group resumed>) = ? [pid 5848] set_robust_list(0x7ff12c97c9a0, 24 [pid 5847] <... set_robust_list resumed>) = 0 [pid 5846] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5844] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5843] +++ exited with 0 +++ [pid 5842] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5839] +++ exited with 0 +++ [pid 5848] <... set_robust_list resumed>) = 0 [pid 5847] rt_sigprocmask(SIG_SETMASK, [], [pid 5846] <... futex resumed>) = 0 [pid 5845] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... futex resumed>) = 0 [pid 5840] exit_group(0 [pid 5848] rt_sigprocmask(SIG_SETMASK, [], [pid 5847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5845] <... futex resumed>) = 0 [pid 5844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5842] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] <... exit_group resumed>) = ? [pid 5848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5847] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5846] +++ exited with 0 +++ [pid 5845] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5848] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5847] <... openat resumed>) = 3 [pid 5844] <... mmap resumed>) = 0x7ff12c95c000 [pid 5847] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... openat resumed>) = 3 [pid 5844] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5840] +++ exited with 0 +++ [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5839, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5847] <... futex resumed>) = 1 [pid 5842] <... futex resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5840, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5847] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5847] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5848] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... mprotect resumed>) = 0 [pid 5842] <... futex resumed>) = 0 [pid 5848] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5849 attached [pid 5847] <... futex resumed>) = 0 [pid 5847] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5845] <... futex resumed>) = 0 [pid 5849] set_robust_list(0x555581d606a0, 24 [pid 5845] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] <... set_robust_list resumed>) = 0 [pid 5845] <... futex resumed>) = 0 [pid 5845] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5849] setpgid(0, 0 [pid 5842] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5849] <... setpgid resumed>) = 0 [pid 5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5848] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5844] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5849 ./strace-static-x86_64: Process 5850 attached [pid 5849] <... openat resumed>) = 3 [pid 5848] <... ioctl resumed>) = 0 [pid 5844] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5842] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] set_robust_list(0x555581d606a0, 24 [pid 5849] write(3, "1000", 4 [pid 5848] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] <... futex resumed>) = 0 [pid 5844] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5842] <... futex resumed>) = 1 [pid 5850] <... set_robust_list resumed>) = 0 [pid 5849] <... write resumed>) = 4 [pid 5848] <... futex resumed>) = 1 [pid 5847] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5845] <... futex resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5850 ./strace-static-x86_64: Process 5851 attached [pid 5850] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5849] close(3 [pid 5848] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5847] <... ioctl resumed>) = 0 [pid 5845] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5850] <... prctl resumed>) = 0 [pid 5849] <... close resumed>) = 0 [pid 5848] <... ioctl resumed>) = 0 [pid 5847] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] <... futex resumed>) = 0 [pid 5844] <... clone3 resumed> => {parent_tid=[5851]}, 88) = 5851 [pid 5842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5851] <... rseq resumed>) = 0 [pid 5850] setpgid(0, 0 [pid 5849] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] <... futex resumed>) = 0 [pid 5845] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] rt_sigprocmask(SIG_SETMASK, [], [pid 5842] exit_group(0 [pid 5851] set_robust_list(0x7ff12c97c9a0, 24 [pid 5850] <... setpgid resumed>) = 0 [pid 5849] <... futex resumed>) = 0 [pid 5848] <... futex resumed>) = 0 [pid 5845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5842] <... exit_group resumed>) = ? [pid 5851] <... set_robust_list resumed>) = 0 [pid 5850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5849] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5848] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5847] +++ exited with 0 +++ [pid 5845] exit_group(0 [pid 5844] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] rt_sigprocmask(SIG_SETMASK, [], [pid 5850] <... openat resumed>) = 3 [pid 5849] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5851] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5849] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5851] <... openat resumed>) = 3 [pid 5850] write(3, "1000", 4 [pid 5849] <... mmap resumed>) = 0x7ff12c95c000 [pid 5842] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5842, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5850] <... write resumed>) = 4 [pid 5848] <... futex resumed>) = ? [pid 5845] <... exit_group resumed>) = ? [pid 5844] <... futex resumed>) = 0 [pid 5851] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] close(3 [pid 5849] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5848] +++ exited with 0 +++ [pid 5844] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5851] <... futex resumed>) = 0 [pid 5850] <... close resumed>) = 0 [pid 5849] <... mprotect resumed>) = 0 [pid 5851] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5850] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5850] <... futex resumed>) = 0 [pid 5850] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5849] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5850] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5849] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5850] <... mmap resumed>) = 0x7ff12c95c000 [pid 5844] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5853 attached ./strace-static-x86_64: Process 5852 attached [pid 5851] <... futex resumed>) = 0 [pid 5850] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5844] <... futex resumed>) = 1 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5852 [pid 5853] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5852] set_robust_list(0x555581d606a0, 24 [pid 5851] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5850] <... mprotect resumed>) = 0 [pid 5849] <... clone3 resumed> => {parent_tid=[5853]}, 88) = 5853 [pid 5844] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] <... rseq resumed>) = 0 [pid 5852] <... set_robust_list resumed>) = 0 [pid 5851] <... ioctl resumed>) = 0 [pid 5850] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5849] rt_sigprocmask(SIG_SETMASK, [], [pid 5845] +++ exited with 0 +++ [pid 5853] set_robust_list(0x7ff12c97c9a0, 24 [pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5851] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... set_robust_list resumed>) = 0 [pid 5852] <... prctl resumed>) = 0 [pid 5851] <... futex resumed>) = 1 [pid 5850] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5849] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5844] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5845, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5852] setpgid(0, 0 [pid 5844] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... setpgid resumed>) = 0 [pid 5851] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5844] <... futex resumed>) = 0 [pid 5853] rt_sigprocmask(SIG_SETMASK, [], [pid 5851] <... ioctl resumed>) = 0 [pid 5850] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5849] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5854 attached [pid 5853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5851] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] <... futex resumed>) = 0 [pid 5844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] <... restart_syscall resumed>) = 0 [pid 5854] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5853] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5850] <... clone3 resumed> => {parent_tid=[5854]}, 88) = 5854 [pid 5849] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5854] <... rseq resumed>) = 0 [pid 5853] <... openat resumed>) = 3 [pid 5852] <... openat resumed>) = 3 [pid 5851] <... futex resumed>) = 0 [pid 5850] rt_sigprocmask(SIG_SETMASK, [], [pid 5844] exit_group(0 [pid 5854] set_robust_list(0x7ff12c97c9a0, 24 [pid 5853] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] write(3, "1000", 4 [pid 5851] write(3, "1000", 4 [pid 5850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5855 attached [pid 5854] <... set_robust_list resumed>) = 0 [pid 5853] <... futex resumed>) = 1 [pid 5852] <... write resumed>) = 4 [pid 5851] +++ exited with 0 +++ [pid 5850] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] <... futex resumed>) = 0 [pid 5844] <... exit_group resumed>) = ? [pid 5855] set_robust_list(0x555581d606a0, 24 [pid 5854] rt_sigprocmask(SIG_SETMASK, [], [pid 5853] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5852] close(3 [pid 5850] <... futex resumed>) = 0 [pid 5849] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5852] <... close resumed>) = 0 [pid 5849] <... futex resumed>) = 0 [pid 5849] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5850] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5854] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5853] <... ioctl resumed>) = 0 [pid 5852] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5855 [pid 5855] <... set_robust_list resumed>) = 0 [pid 5854] <... openat resumed>) = 3 [pid 5853] <... futex resumed>) = 1 [pid 5852] <... futex resumed>) = 0 [pid 5849] <... futex resumed>) = 0 [pid 5853] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5849] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5853] <... ioctl resumed>) = 0 [pid 5852] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5849] <... futex resumed>) = 0 [pid 5854] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] setpgid(0, 0 [pid 5853] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5849] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5854] <... futex resumed>) = 1 [pid 5853] <... futex resumed>) = 0 [pid 5852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5850] <... futex resumed>) = 0 [pid 5849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5854] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5853] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5850] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] exit_group(0 [pid 5855] <... setpgid resumed>) = 0 [pid 5854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5850] <... futex resumed>) = 0 [pid 5844] +++ exited with 0 +++ [pid 5854] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5853] <... futex resumed>) = ? [pid 5852] <... mmap resumed>) = 0x7ff12c95c000 [pid 5850] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5849] <... exit_group resumed>) = ? [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5844, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5854] <... ioctl resumed>) = 0 [pid 5853] +++ exited with 0 +++ [pid 5852] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5854] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... openat resumed>) = 3 [pid 5854] <... futex resumed>) = 0 [pid 5852] <... mprotect resumed>) = 0 [pid 5850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5849] +++ exited with 0 +++ [pid 5855] write(3, "1000", 4 [pid 5854] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5852] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5850] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5849, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5855] <... write resumed>) = 4 [pid 5850] <... futex resumed>) = 0 [pid 5855] close(3 [pid 5850] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] <... close resumed>) = 0 [pid 5855] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5855] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5855] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5855] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5856 attached [pid 5854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5852] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5855] <... mprotect resumed>) = 0 [pid 5854] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5856 [pid 5855] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5854] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5857 attached [pid 5856] set_robust_list(0x555581d606a0, 24 [pid 5857] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5856] <... set_robust_list resumed>) = 0 [pid 5855] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5854] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... clone3 resumed> => {parent_tid=[5857]}, 88) = 5857 [pid 5857] <... rseq resumed>) = 0 [pid 5857] set_robust_list(0x7ff12c97c9a0, 24 [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5854] <... futex resumed>) = 1 [pid 5852] rt_sigprocmask(SIG_SETMASK, [], [pid 5850] <... futex resumed>) = 0 [pid 5857] <... set_robust_list resumed>) = 0 [pid 5856] <... prctl resumed>) = 0 [pid 5852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5850] exit_group(0 [pid 5857] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] setpgid(0, 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] <... setpgid resumed>) = 0 [pid 5857] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5858 attached ) = -1 EAGAIN (Resource temporarily unavailable) [pid 5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5855] <... clone3 resumed> => {parent_tid=[5858]}, 88) = 5858 [pid 5852] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5859 attached [pid 5858] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5857] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5856] <... openat resumed>) = 3 [pid 5855] rt_sigprocmask(SIG_SETMASK, [], [pid 5854] +++ exited with 0 +++ [pid 5852] <... futex resumed>) = 0 [pid 5850] +++ exited with 0 +++ [pid 5859] set_robust_list(0x555581d606a0, 24 [pid 5858] <... rseq resumed>) = 0 [pid 5857] <... openat resumed>) = 3 [pid 5856] write(3, "1000", 4 [pid 5855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5852] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5859 [pid 5859] <... set_robust_list resumed>) = 0 [pid 5858] set_robust_list(0x7ff12c97c9a0, 24 [pid 5857] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... write resumed>) = 4 [pid 5855] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5858] <... set_robust_list resumed>) = 0 [pid 5857] <... futex resumed>) = 1 [pid 5856] close(3 [pid 5855] <... futex resumed>) = 0 [pid 5852] <... futex resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5850, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5859] <... prctl resumed>) = 0 [pid 5858] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5856] <... close resumed>) = 0 [pid 5855] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5852] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] setpgid(0, 0 [pid 5858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5852] <... futex resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5859] <... setpgid resumed>) = 0 [pid 5858] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5856] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5860 attached [pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] <... openat resumed>) = 3 [pid 5857] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5856] <... futex resumed>) = 0 [pid 5856] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5857] <... ioctl resumed>) = 0 [pid 5856] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5856] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5857] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5857] <... futex resumed>) = 1 [pid 5857] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5856] <... mmap resumed>) = 0x7ff12c95c000 [pid 5852] <... futex resumed>) = 0 [pid 5860] set_robust_list(0x555581d606a0, 24 [pid 5858] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5858] <... futex resumed>) = 1 [pid 5855] <... futex resumed>) = 0 [pid 5852] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5857] <... futex resumed>) = 0 [pid 5855] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... futex resumed>) = 1 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5860 [pid 5858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5857] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5855] <... futex resumed>) = 0 [pid 5852] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5857] <... ioctl resumed>) = 0 [pid 5855] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... ioctl resumed>) = 0 [pid 5857] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... futex resumed>) = 1 [pid 5852] <... futex resumed>) = 0 [pid 5858] <... futex resumed>) = 1 [pid 5857] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] <... futex resumed>) = 0 [pid 5852] exit_group(0 [pid 5858] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5857] <... futex resumed>) = ? [pid 5855] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... exit_group resumed>) = ? [pid 5858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5857] +++ exited with 0 +++ [pid 5855] <... futex resumed>) = 0 [pid 5855] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5860] <... set_robust_list resumed>) = 0 [pid 5859] <... openat resumed>) = 3 [pid 5858] <... ioctl resumed>) = 0 [pid 5856] <... mprotect resumed>) = 0 [pid 5852] +++ exited with 0 +++ [pid 5858] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5852, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5858] <... futex resumed>) = 1 [pid 5855] <... futex resumed>) = 0 [pid 5858] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] exit_group(0 [pid 5858] <... futex resumed>) = ? [pid 5855] <... exit_group resumed>) = ? [pid 5860] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5859] write(3, "1000", 4 [pid 5858] +++ exited with 0 +++ [pid 5856] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5855] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5855, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5860] <... prctl resumed>) = 0 [pid 5859] <... write resumed>) = 4 [pid 5856] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5860] setpgid(0, 0 [pid 5859] close(3 [pid 5856] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5862 attached ./strace-static-x86_64: Process 5863 attached ./strace-static-x86_64: Process 5861 attached [pid 5860] <... setpgid resumed>) = 0 [pid 5859] <... close resumed>) = 0 [pid 5863] set_robust_list(0x555581d606a0, 24 [pid 5862] set_robust_list(0x555581d606a0, 24 [pid 5861] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5859] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5863] <... set_robust_list resumed>) = 0 [pid 5862] <... set_robust_list resumed>) = 0 [pid 5859] <... futex resumed>) = 0 [pid 5856] <... clone3 resumed> => {parent_tid=[5861]}, 88) = 5861 [pid 5856] rt_sigprocmask(SIG_SETMASK, [], [pid 5861] <... rseq resumed>) = 0 [pid 5862] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5861] set_robust_list(0x7ff12c97c9a0, 24 [pid 5859] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5861] <... set_robust_list resumed>) = 0 [pid 5863] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5861] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5862 [pid 5861] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5863 [pid 5861] <... openat resumed>) = 3 [pid 5859] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5856] <... futex resumed>) = 0 [pid 5860] <... openat resumed>) = 3 [pid 5856] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] <... prctl resumed>) = 0 [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] <... prctl resumed>) = 0 [pid 5861] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5862] setpgid(0, 0 [pid 5861] <... futex resumed>) = 0 [pid 5861] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5862] <... setpgid resumed>) = 0 [pid 5859] <... mmap resumed>) = 0x7ff12c95c000 [pid 5856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] setpgid(0, 0 [pid 5860] write(3, "1000", 4 [pid 5859] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5856] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... setpgid resumed>) = 0 [pid 5863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5861] <... futex resumed>) = 0 [pid 5860] <... write resumed>) = 4 [pid 5859] <... mprotect resumed>) = 0 [pid 5856] <... futex resumed>) = 1 [pid 5861] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5856] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] <... openat resumed>) = 3 [pid 5861] <... ioctl resumed>) = 0 [pid 5860] close(3 [pid 5861] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5856] <... futex resumed>) = 0 [pid 5861] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5856] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5856] <... futex resumed>) = 0 [pid 5863] <... openat resumed>) = 3 [pid 5861] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5856] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] write(3, "1000", 4 [pid 5862] write(3, "1000", 4 [pid 5861] <... ioctl resumed>) = 0 [pid 5860] <... close resumed>) = 0 [pid 5859] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] <... write resumed>) = 4 [pid 5862] <... write resumed>) = 4 [pid 5861] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] close(3 [pid 5862] close(3 [pid 5861] <... futex resumed>) = 1 [pid 5856] <... futex resumed>) = 0 [pid 5860] <... futex resumed>) = 0 [pid 5859] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5863] <... close resumed>) = 0 [pid 5862] <... close resumed>) = 0 [pid 5861] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5860] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5856] exit_group(0 [pid 5861] <... futex resumed>) = ? [pid 5860] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5856] <... exit_group resumed>) = ? [pid 5862] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5864 attached [pid 5863] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] <... futex resumed>) = 0 [pid 5861] +++ exited with 0 +++ [pid 5860] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5856] +++ exited with 0 +++ [pid 5864] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5863] <... futex resumed>) = 0 [pid 5862] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5856, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5860] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5859] <... clone3 resumed> => {parent_tid=[5864]}, 88) = 5864 [pid 5864] <... rseq resumed>) = 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5862] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5864] set_robust_list(0x7ff12c97c9a0, 24 [pid 5863] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5862] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5860] <... mmap resumed>) = 0x7ff12c95c000 [pid 5859] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... restart_syscall resumed>) = 0 [pid 5864] <... set_robust_list resumed>) = 0 [pid 5863] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5860] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5860] <... mprotect resumed>) = 0 [pid 5859] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] <... futex resumed>) = 0 [pid 5863] <... mmap resumed>) = 0x7ff12c95c000 [pid 5862] <... mmap resumed>) = 0x7ff12c95c000 [pid 5859] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5863] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5862] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5860] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5865 attached [pid 5865] set_robust_list(0x555581d606a0, 24) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5865 [pid 5865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5864] <... openat resumed>) = 3 [pid 5863] <... mprotect resumed>) = 0 [pid 5862] <... mprotect resumed>) = 0 [pid 5860] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5865] <... prctl resumed>) = 0 [pid 5864] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5864] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] <... futex resumed>) = 0 [pid 5864] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5859] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... ioctl resumed>) = 0 [pid 5864] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] setpgid(0, 0 [pid 5863] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5862] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5860] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5866 attached [pid 5865] <... setpgid resumed>) = 0 [pid 5864] <... futex resumed>) = 1 [pid 5863] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5862] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5859] <... futex resumed>) = 0 [pid 5866] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5864] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5862] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5860] <... clone3 resumed> => {parent_tid=[5866]}, 88) = 5866 [pid 5859] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5868 attached ./strace-static-x86_64: Process 5867 attached [pid 5866] <... rseq resumed>) = 0 [pid 5864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5860] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] <... futex resumed>) = 0 [pid 5868] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5867] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5866] set_robust_list(0x7ff12c97c9a0, 24 [pid 5865] <... openat resumed>) = 3 [pid 5864] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5863] <... clone3 resumed> => {parent_tid=[5867]}, 88) = 5867 [pid 5862] <... clone3 resumed> => {parent_tid=[5868]}, 88) = 5868 [pid 5860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5868] <... rseq resumed>) = 0 [pid 5867] <... rseq resumed>) = 0 [pid 5866] <... set_robust_list resumed>) = 0 [pid 5864] <... ioctl resumed>) = 0 [pid 5863] rt_sigprocmask(SIG_SETMASK, [], [pid 5862] rt_sigprocmask(SIG_SETMASK, [], [pid 5860] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] set_robust_list(0x7ff12c97c9a0, 24 [pid 5864] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5868] set_robust_list(0x7ff12c97c9a0, 24 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5866] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] write(3, "1000", 4 [pid 5864] <... futex resumed>) = 1 [pid 5863] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... futex resumed>) = 0 [pid 5859] <... futex resumed>) = 0 [pid 5868] <... set_robust_list resumed>) = 0 [pid 5867] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] <... futex resumed>) = 0 [pid 5862] <... futex resumed>) = 0 [pid 5859] exit_group(0 [pid 5868] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5865] <... write resumed>) = 4 [pid 5864] <... futex resumed>) = ? [pid 5863] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] <... exit_group resumed>) = ? [pid 5868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5866] <... openat resumed>) = 3 [pid 5865] close(3 [pid 5864] +++ exited with 0 +++ [pid 5868] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5866] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... close resumed>) = 0 [pid 5868] <... openat resumed>) = 3 [pid 5867] <... openat resumed>) = 3 [pid 5866] <... futex resumed>) = 1 [pid 5860] <... futex resumed>) = 0 [pid 5859] +++ exited with 0 +++ [pid 5865] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] <... futex resumed>) = 0 [pid 5860] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5859, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] <... futex resumed>) = 1 [pid 5867] <... futex resumed>) = 1 [pid 5866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5863] <... futex resumed>) = 0 [pid 5862] <... futex resumed>) = 0 [pid 5860] <... futex resumed>) = 0 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5868] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5865] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5863] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... restart_syscall resumed>) = 0 [pid 5868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] <... ioctl resumed>) = 0 [pid 5865] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5863] <... futex resumed>) = 0 [pid 5862] <... futex resumed>) = 0 [pid 5868] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5867] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5866] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5868] <... ioctl resumed>) = 0 [pid 5867] <... ioctl resumed>) = 0 [pid 5866] <... futex resumed>) = 1 [pid 5865] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5860] <... futex resumed>) = 0 [pid 5868] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5868] <... futex resumed>) = 1 [pid 5867] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... mmap resumed>) = 0x7ff12c95c000 [pid 5862] <... futex resumed>) = 0 [pid 5860] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] <... futex resumed>) = 1 [pid 5866] <... futex resumed>) = 0 [pid 5865] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5863] <... futex resumed>) = 0 [pid 5862] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... futex resumed>) = 1 [pid 5868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5863] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] <... futex resumed>) = 0 [pid 5860] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... mprotect resumed>) = 0 [pid 5868] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] <... ioctl resumed>) = 0 [pid 5863] <... futex resumed>) = 0 [pid 5862] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5863] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... ioctl resumed>) = 0 [pid 5867] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5869 attached [pid 5868] <... ioctl resumed>) = 0 [pid 5866] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5869] set_robust_list(0x555581d606a0, 24 [pid 5866] <... futex resumed>) = 1 [pid 5860] <... futex resumed>) = 0 [pid 5869] <... set_robust_list resumed>) = 0 [pid 5868] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... futex resumed>) = 1 [pid 5866] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] <... futex resumed>) = 0 [pid 5860] exit_group(0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5869 [pid 5869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] <... futex resumed>) = 1 [pid 5867] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] <... futex resumed>) = ? [pid 5862] <... futex resumed>) = 0 [pid 5860] <... exit_group resumed>) = ? [pid 5865] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5869] <... prctl resumed>) = 0 [pid 5868] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] +++ exited with 0 +++ [pid 5863] exit_group(0 [pid 5862] exit_group(0 [pid 5869] setpgid(0, 0 [pid 5868] <... futex resumed>) = ? [pid 5867] <... futex resumed>) = ? [pid 5863] <... exit_group resumed>) = ? [pid 5862] <... exit_group resumed>) = ? [pid 5869] <... setpgid resumed>) = 0 [pid 5868] +++ exited with 0 +++ ./strace-static-x86_64: Process 5870 attached [pid 5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] +++ exited with 0 +++ [pid 5865] <... clone3 resumed> => {parent_tid=[5870]}, 88) = 5870 [pid 5863] +++ exited with 0 +++ [pid 5862] +++ exited with 0 +++ [pid 5860] +++ exited with 0 +++ [pid 5870] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5865] rt_sigprocmask(SIG_SETMASK, [], [pid 5870] <... rseq resumed>) = 0 [pid 5865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] set_robust_list(0x7ff12c97c9a0, 24 [pid 5865] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... set_robust_list resumed>) = 0 [pid 5865] <... futex resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5860, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5870] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5869] <... openat resumed>) = 3 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5870] <... openat resumed>) = 3 [pid 5870] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5865] <... futex resumed>) = 0 [pid 5870] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5863, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5870] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5865] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5870] <... ioctl resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5862, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5870] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5865] <... futex resumed>) = 0 [pid 5870] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] <... futex resumed>) = 0 [pid 5870] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5865] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5870] <... ioctl resumed>) = 0 [pid 5870] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5873 attached ./strace-static-x86_64: Process 5872 attached ./strace-static-x86_64: Process 5871 attached [pid 5869] write(3, "1000", 4 [pid 5873] set_robust_list(0x555581d606a0, 24 [pid 5872] set_robust_list(0x555581d606a0, 24 [pid 5871] set_robust_list(0x555581d606a0, 24 [pid 5870] <... futex resumed>) = 1 [pid 5869] <... write resumed>) = 4 [pid 5865] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5873 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5872 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5871 [pid 5873] <... set_robust_list resumed>) = 0 [pid 5872] <... set_robust_list resumed>) = 0 [pid 5871] <... set_robust_list resumed>) = 0 [pid 5870] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5869] close(3 [pid 5865] exit_group(0 [pid 5873] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5870] <... futex resumed>) = ? [pid 5869] <... close resumed>) = 0 [pid 5865] <... exit_group resumed>) = ? [pid 5873] <... prctl resumed>) = 0 [pid 5873] setpgid(0, 0 [pid 5872] <... prctl resumed>) = 0 [pid 5871] <... prctl resumed>) = 0 [pid 5870] +++ exited with 0 +++ [pid 5869] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] <... setpgid resumed>) = 0 [pid 5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] setpgid(0, 0 [pid 5871] setpgid(0, 0) = 0 [pid 5872] <... setpgid resumed>) = 0 [pid 5873] <... openat resumed>) = 3 [pid 5871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5869] <... futex resumed>) = 0 [pid 5865] +++ exited with 0 +++ [pid 5873] write(3, "1000", 4 [pid 5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5869] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5865, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5869] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5873] <... write resumed>) = 4 [pid 5871] <... openat resumed>) = 3 [pid 5869] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5873] close(3 [pid 5872] <... openat resumed>) = 3 [pid 5869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5873] <... close resumed>) = 0 [pid 5872] write(3, "1000", 4 [pid 5871] write(3, "1000", 4 [pid 5869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5873] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] <... write resumed>) = 4 [pid 5872] close(3 [pid 5873] <... futex resumed>) = 0 [pid 5872] <... close resumed>) = 0 [pid 5871] <... write resumed>) = 4 [pid 5873] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5872] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] close(3./strace-static-x86_64: Process 5874 attached [pid 5873] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5872] <... futex resumed>) = 0 [pid 5871] <... close resumed>) = 0 [pid 5869] <... mmap resumed>) = 0x7ff12c95c000 [pid 5873] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5872] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5871] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] set_robust_list(0x555581d606a0, 24 [pid 5873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5872] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5871] <... futex resumed>) = 0 [pid 5873] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5872] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5871] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5869] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5873] <... mmap resumed>) = 0x7ff12c95c000 [pid 5872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5871] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5874] <... set_robust_list resumed>) = 0 [pid 5869] <... mprotect resumed>) = 0 [pid 5873] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5872] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5871] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5873] <... mprotect resumed>) = 0 [pid 5872] <... mmap resumed>) = 0x7ff12c95c000 [pid 5871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5869] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5874] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5873] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5872] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5874] <... prctl resumed>) = 0 [pid 5869] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5874 [pid 5874] setpgid(0, 0 [pid 5873] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5872] <... mprotect resumed>) = 0 [pid 5871] <... mmap resumed>) = 0x7ff12c95c000 [pid 5869] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5875 attached [pid 5874] <... setpgid resumed>) = 0 [pid 5873] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5872] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5871] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5876 attached [pid 5875] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5869] <... clone3 resumed> => {parent_tid=[5875]}, 88) = 5875 [pid 5876] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5875] <... rseq resumed>) = 0 [pid 5872] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5871] <... mprotect resumed>) = 0 [pid 5873] <... clone3 resumed> => {parent_tid=[5876]}, 88) = 5876 [pid 5872] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5871] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5876] <... rseq resumed>) = 0 [pid 5875] set_robust_list(0x7ff12c97c9a0, 24 [pid 5874] <... openat resumed>) = 3 [pid 5873] rt_sigprocmask(SIG_SETMASK, [], [pid 5869] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5877 attached [pid 5876] set_robust_list(0x7ff12c97c9a0, 24 [pid 5875] <... set_robust_list resumed>) = 0 [pid 5873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5871] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5877] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5876] <... set_robust_list resumed>) = 0 [pid 5875] rt_sigprocmask(SIG_SETMASK, [], [pid 5874] write(3, "1000", 4 [pid 5873] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] <... clone3 resumed> => {parent_tid=[5877]}, 88) = 5877 [pid 5871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5877] <... rseq resumed>) = 0 [pid 5876] rt_sigprocmask(SIG_SETMASK, [], [pid 5875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5873] <... futex resumed>) = 0 [pid 5872] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5878 attached [pid 5877] set_robust_list(0x7ff12c97c9a0, 24 [pid 5873] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5875] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5874] <... write resumed>) = 4 [pid 5876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5878] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5877] <... set_robust_list resumed>) = 0 [pid 5874] close(3 [pid 5872] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5871] <... clone3 resumed> => {parent_tid=[5878]}, 88) = 5878 [pid 5869] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] <... rseq resumed>) = 0 [pid 5877] rt_sigprocmask(SIG_SETMASK, [], [pid 5874] <... close resumed>) = 0 [pid 5872] <... futex resumed>) = 0 [pid 5871] rt_sigprocmask(SIG_SETMASK, [], [pid 5878] set_robust_list(0x7ff12c97c9a0, 24 [pid 5877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5872] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5878] <... set_robust_list resumed>) = 0 [pid 5877] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5876] <... openat resumed>) = 3 [pid 5874] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] rt_sigprocmask(SIG_SETMASK, [], [pid 5877] <... openat resumed>) = 3 [pid 5876] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] <... futex resumed>) = 0 [pid 5874] <... futex resumed>) = 0 [pid 5871] <... futex resumed>) = 0 [pid 5869] <... futex resumed>) = 1 [pid 5878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5871] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5878] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5877] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5874] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5869] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5878] <... openat resumed>) = 3 [pid 5877] <... futex resumed>) = 1 [pid 5876] <... futex resumed>) = 1 [pid 5875] <... openat resumed>) = 3 [pid 5874] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5873] <... futex resumed>) = 0 [pid 5872] <... futex resumed>) = 0 [pid 5878] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5876] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5875] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5873] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] <... futex resumed>) = 1 [pid 5877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5876] <... ioctl resumed>) = 0 [pid 5875] <... futex resumed>) = 1 [pid 5874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5873] <... futex resumed>) = 0 [pid 5872] <... futex resumed>) = 0 [pid 5871] <... futex resumed>) = 0 [pid 5869] <... futex resumed>) = 0 [pid 5878] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5877] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5876] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5873] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5872] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5871] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5877] <... ioctl resumed>) = 0 [pid 5876] <... futex resumed>) = 0 [pid 5875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5874] <... mmap resumed>) = 0x7ff12c95c000 [pid 5873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5871] <... futex resumed>) = 0 [pid 5869] <... futex resumed>) = 0 [pid 5878] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5877] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5875] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5874] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5873] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5869] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5875] <... ioctl resumed>) = 0 [pid 5874] <... mprotect resumed>) = 0 [pid 5878] <... ioctl resumed>) = 0 [pid 5877] <... futex resumed>) = 1 [pid 5876] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5875] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] <... futex resumed>) = 0 [pid 5872] <... futex resumed>) = 0 [pid 5878] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5876] <... ioctl resumed>) = 0 [pid 5875] <... futex resumed>) = 1 [pid 5874] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5873] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5872] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... futex resumed>) = 0 [pid 5878] <... futex resumed>) = 1 [pid 5877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5876] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5872] <... futex resumed>) = 0 [pid 5871] <... futex resumed>) = 0 [pid 5869] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5877] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5876] <... futex resumed>) = 1 [pid 5875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5874] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5873] <... futex resumed>) = 0 [pid 5872] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5871] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5879 attached [pid 5878] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5877] <... ioctl resumed>) = 0 [pid 5876] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5875] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5873] exit_group(0 [pid 5871] <... futex resumed>) = 0 [pid 5869] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5879] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5878] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5877] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... futex resumed>) = ? [pid 5875] <... ioctl resumed>) = 0 [pid 5874] <... clone3 resumed> => {parent_tid=[5879]}, 88) = 5879 [pid 5873] <... exit_group resumed>) = ? [pid 5871] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5879] <... rseq resumed>) = 0 [pid 5878] <... ioctl resumed>) = 0 [pid 5877] <... futex resumed>) = 1 [pid 5876] +++ exited with 0 +++ [pid 5875] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] rt_sigprocmask(SIG_SETMASK, [], [pid 5872] <... futex resumed>) = 0 [pid 5878] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] exit_group(0 [pid 5878] <... futex resumed>) = 1 [pid 5872] <... exit_group resumed>) = ? [pid 5877] <... futex resumed>) = ? [pid 5871] <... futex resumed>) = 0 [pid 5878] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5871] exit_group(0 [pid 5877] +++ exited with 0 +++ [pid 5878] <... futex resumed>) = ? [pid 5871] <... exit_group resumed>) = ? [pid 5879] set_robust_list(0x7ff12c97c9a0, 24 [pid 5878] +++ exited with 0 +++ [pid 5875] <... futex resumed>) = 1 [pid 5874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5869] <... futex resumed>) = 0 [pid 5879] <... set_robust_list resumed>) = 0 [pid 5875] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] +++ exited with 0 +++ [pid 5869] exit_group(0 [pid 5879] rt_sigprocmask(SIG_SETMASK, [], [pid 5875] <... futex resumed>) = ? [pid 5874] <... futex resumed>) = 0 [pid 5869] <... exit_group resumed>) = ? [pid 5879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5875] +++ exited with 0 +++ [pid 5874] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5872] +++ exited with 0 +++ [pid 5871] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5873, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5879] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5872, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5879] <... openat resumed>) = 3 [pid 5869] +++ exited with 0 +++ [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5871, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5879] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5879] <... futex resumed>) = 1 [pid 5874] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5869, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5881 attached ./strace-static-x86_64: Process 5880 attached [pid 5879] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5881] set_robust_list(0x555581d606a0, 24 [pid 5880] set_robust_list(0x555581d606a0, 24 [pid 5879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5874] <... futex resumed>) = 0 [pid 5881] <... set_robust_list resumed>) = 0 [pid 5880] <... set_robust_list resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5880 [pid 5066] <... restart_syscall resumed>) = 0 [pid 5881] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5879] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5874] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5880] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5879] <... ioctl resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5881 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5881] <... prctl resumed>) = 0 [pid 5880] <... prctl resumed>) = 0 [pid 5879] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] setpgid(0, 0 [pid 5879] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5882 attached [pid 5880] setpgid(0, 0 [pid 5874] <... futex resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5879] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5882] set_robust_list(0x555581d606a0, 24 [pid 5881] <... setpgid resumed>) = 0 [pid 5880] <... setpgid resumed>) = 0 [pid 5874] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5874] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5882] <... set_robust_list resumed>) = 0 [pid 5880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5879] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5882 ./strace-static-x86_64: Process 5883 attached [pid 5882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5879] <... ioctl resumed>) = 0 [pid 5880] <... openat resumed>) = 3 [pid 5881] <... openat resumed>) = 3 [pid 5883] set_robust_list(0x555581d606a0, 24) = 0 [pid 5881] write(3, "1000", 4 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5883 [pid 5880] write(3, "1000", 4 [pid 5882] <... prctl resumed>) = 0 [pid 5883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5879] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] setpgid(0, 0 [pid 5881] <... write resumed>) = 4 [pid 5880] <... write resumed>) = 4 [pid 5879] <... futex resumed>) = 1 [pid 5874] <... futex resumed>) = 0 [pid 5883] <... prctl resumed>) = 0 [pid 5882] <... setpgid resumed>) = 0 [pid 5874] exit_group(0 [pid 5883] setpgid(0, 0 [pid 5882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5881] close(3 [pid 5880] close(3 [pid 5874] <... exit_group resumed>) = ? [pid 5883] <... setpgid resumed>) = 0 [pid 5882] <... openat resumed>) = 3 [pid 5881] <... close resumed>) = 0 [pid 5880] <... close resumed>) = 0 [pid 5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5881] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... openat resumed>) = 3 [pid 5882] write(3, "1000", 4 [pid 5881] <... futex resumed>) = 0 [pid 5880] <... futex resumed>) = 0 [pid 5881] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5883] write(3, "1000", 4 [pid 5882] <... write resumed>) = 4 [pid 5881] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5880] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5879] +++ exited with 0 +++ [pid 5874] +++ exited with 0 +++ [pid 5883] <... write resumed>) = 4 [pid 5882] close(3 [pid 5881] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5880] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5874, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5883] close(3 [pid 5882] <... close resumed>) = 0 [pid 5881] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5880] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5883] <... close resumed>) = 0 [pid 5882] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5883] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... futex resumed>) = 0 [pid 5881] <... mmap resumed>) = 0x7ff12c95c000 [pid 5880] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5883] <... futex resumed>) = 0 [pid 5882] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5881] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5880] <... mmap resumed>) = 0x7ff12c95c000 [pid 5883] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5882] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5881] <... mprotect resumed>) = 0 [pid 5883] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5882] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5881] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5880] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5883] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5881] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5880] <... mprotect resumed>) = 0 [pid 5882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5881] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5884 attached ./strace-static-x86_64: Process 5885 attached [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5882] <... mmap resumed>) = 0x7ff12c95c000 [pid 5883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5885] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 5884] set_robust_list(0x555581d606a0, 24 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5884 [pid 5885] set_robust_list(0x7ff12c97c9a0, 24 [pid 5884] <... set_robust_list resumed>) = 0 [pid 5885] <... set_robust_list resumed>) = 0 [pid 5883] <... mmap resumed>) = 0x7ff12c95c000 [pid 5885] rt_sigprocmask(SIG_SETMASK, [], [pid 5884] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5883] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5882] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5881] <... clone3 resumed> => {parent_tid=[5885]}, 88) = 5885 [pid 5880] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5884] <... prctl resumed>) = 0 [pid 5883] <... mprotect resumed>) = 0 [pid 5882] <... mprotect resumed>) = 0 [pid 5881] rt_sigprocmask(SIG_SETMASK, [], [pid 5885] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5884] setpgid(0, 0 [pid 5883] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5882] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5881] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5880] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5884] <... setpgid resumed>) = 0 [pid 5883] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5882] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5881] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5886 attached [pid 5885] <... futex resumed>) = 0 [pid 5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5883] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5882] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5881] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5888 attached ./strace-static-x86_64: Process 5887 attached [pid 5886] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5885] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5884] <... openat resumed>) = 3 [pid 5881] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5888] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5887] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5886] <... rseq resumed>) = 0 [pid 5882] <... clone3 resumed> => {parent_tid=[5888]}, 88) = 5888 [pid 5880] <... clone3 resumed> => {parent_tid=[5886]}, 88) = 5886 [pid 5888] <... rseq resumed>) = 0 [pid 5887] <... rseq resumed>) = 0 [pid 5882] rt_sigprocmask(SIG_SETMASK, [], [pid 5880] rt_sigprocmask(SIG_SETMASK, [], [pid 5888] set_robust_list(0x7ff12c97c9a0, 24 [pid 5887] set_robust_list(0x7ff12c97c9a0, 24 [pid 5886] set_robust_list(0x7ff12c97c9a0, 24 [pid 5885] <... openat resumed>) = 3 [pid 5884] write(3, "1000", 4 [pid 5883] <... clone3 resumed> => {parent_tid=[5887]}, 88) = 5887 [pid 5882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5888] <... set_robust_list resumed>) = 0 [pid 5887] <... set_robust_list resumed>) = 0 [pid 5886] <... set_robust_list resumed>) = 0 [pid 5885] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] <... write resumed>) = 4 [pid 5883] rt_sigprocmask(SIG_SETMASK, [], [pid 5882] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] rt_sigprocmask(SIG_SETMASK, [], [pid 5887] rt_sigprocmask(SIG_SETMASK, [], [pid 5886] rt_sigprocmask(SIG_SETMASK, [], [pid 5885] <... futex resumed>) = 1 [pid 5884] close(3 [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5882] <... futex resumed>) = 0 [pid 5881] <... futex resumed>) = 0 [pid 5888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5886] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5885] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5884] <... close resumed>) = 0 [pid 5883] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5881] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] <... futex resumed>) = 0 [pid 5888] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5887] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5886] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5884] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... futex resumed>) = 0 [pid 5881] <... futex resumed>) = 0 [pid 5880] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5888] <... openat resumed>) = 3 [pid 5887] <... openat resumed>) = 3 [pid 5886] <... openat resumed>) = 3 [pid 5885] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5884] <... futex resumed>) = 0 [pid 5883] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5881] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5888] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] <... ioctl resumed>) = 0 [pid 5884] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5888] <... futex resumed>) = 1 [pid 5887] <... futex resumed>) = 0 [pid 5886] <... futex resumed>) = 1 [pid 5885] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5883] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... futex resumed>) = 0 [pid 5880] <... futex resumed>) = 0 [pid 5888] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5887] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5886] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5885] <... futex resumed>) = 1 [pid 5884] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5883] <... futex resumed>) = 0 [pid 5882] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] <... futex resumed>) = 0 [pid 5880] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5887] <... ioctl resumed>) = 0 [pid 5886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5885] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5882] <... futex resumed>) = 0 [pid 5881] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] <... futex resumed>) = 0 [pid 5888] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5887] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5885] <... ioctl resumed>) = 0 [pid 5884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5882] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5881] <... futex resumed>) = 0 [pid 5880] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5888] <... ioctl resumed>) = 0 [pid 5887] <... futex resumed>) = 0 [pid 5886] <... ioctl resumed>) = 0 [pid 5885] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] <... mmap resumed>) = 0x7ff12c95c000 [pid 5883] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5888] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5886] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] <... futex resumed>) = 0 [pid 5883] <... futex resumed>) = 0 [pid 5881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5888] <... futex resumed>) = 1 [pid 5887] <... ioctl resumed>) = 0 [pid 5886] <... futex resumed>) = 1 [pid 5885] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5884] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5883] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5882] <... futex resumed>) = 0 [pid 5880] <... futex resumed>) = 0 [pid 5881] exit_group(0 [pid 5888] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5887] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5885] <... futex resumed>) = ? [pid 5884] <... mprotect resumed>) = 0 [pid 5883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5882] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] <... exit_group resumed>) = ? [pid 5880] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] <... ioctl resumed>) = 0 [pid 5887] <... futex resumed>) = 0 [pid 5886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5885] +++ exited with 0 +++ [pid 5884] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5883] exit_group(0 [pid 5882] <... futex resumed>) = 0 [pid 5881] +++ exited with 0 +++ [pid 5880] <... futex resumed>) = 0 [pid 5888] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5884] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5883] <... exit_group resumed>) = ? [pid 5882] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5880] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5881, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5888] <... futex resumed>) = 0 [pid 5887] +++ exited with 0 +++ [pid 5886] <... ioctl resumed>) = 0 [pid 5882] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5888] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5882] exit_group(0 [pid 5888] <... futex resumed>) = ? [pid 5882] <... exit_group resumed>) = ? [pid 5888] +++ exited with 0 +++ [pid 5886] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5883] +++ exited with 0 +++ [pid 5882] +++ exited with 0 +++ [pid 5886] <... futex resumed>) = 1 [pid 5880] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5889 attached [pid 5886] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5880] exit_group(0 [pid 5889] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5884] <... clone3 resumed> => {parent_tid=[5889]}, 88) = 5889 [pid 5889] <... rseq resumed>) = 0 [pid 5884] rt_sigprocmask(SIG_SETMASK, [], [pid 5889] set_robust_list(0x7ff12c97c9a0, 24 [pid 5884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5889] <... set_robust_list resumed>) = 0 [pid 5884] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] rt_sigprocmask(SIG_SETMASK, [], [pid 5884] <... futex resumed>) = 0 [pid 5889] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5884] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5890 attached [pid 5889] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5886] <... futex resumed>) = ? [pid 5880] <... exit_group resumed>) = ? [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5882, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5890] set_robust_list(0x555581d606a0, 24 [pid 5889] <... openat resumed>) = 3 [pid 5886] +++ exited with 0 +++ [pid 5880] +++ exited with 0 +++ [pid 5890] <... set_robust_list resumed>) = 0 [pid 5889] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5889] <... futex resumed>) = 1 [pid 5884] <... futex resumed>) = 0 [pid 5890] <... prctl resumed>) = 0 [pid 5889] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5884] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] setpgid(0, 0 [pid 5889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5884] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5880, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5890] <... setpgid resumed>) = 0 [pid 5889] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5884] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5890 ./strace-static-x86_64: Process 5891 attached ./strace-static-x86_64: Process 5893 attached ./strace-static-x86_64: Process 5892 attached [pid 5891] set_robust_list(0x555581d606a0, 24 [pid 5890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5889] <... ioctl resumed>) = 0 [pid 5893] set_robust_list(0x555581d606a0, 24 [pid 5892] set_robust_list(0x555581d606a0, 24 [pid 5891] <... set_robust_list resumed>) = 0 [pid 5889] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5891 [pid 5893] <... set_robust_list resumed>) = 0 [pid 5892] <... set_robust_list resumed>) = 0 [pid 5891] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5889] <... futex resumed>) = 1 [pid 5892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5893 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5892 [pid 5893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5884] <... futex resumed>) = 0 [pid 5893] <... prctl resumed>) = 0 [pid 5892] <... prctl resumed>) = 0 [pid 5891] <... prctl resumed>) = 0 [pid 5890] <... openat resumed>) = 3 [pid 5889] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5884] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] setpgid(0, 0 [pid 5892] setpgid(0, 0 [pid 5891] setpgid(0, 0 [pid 5890] write(3, "1000", 4 [pid 5889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5884] <... futex resumed>) = 0 [pid 5893] <... setpgid resumed>) = 0 [pid 5892] <... setpgid resumed>) = 0 [pid 5891] <... setpgid resumed>) = 0 [pid 5890] <... write resumed>) = 4 [pid 5889] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5884] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5889] <... ioctl resumed>) = 0 [pid 5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5890] close(3 [pid 5889] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] <... openat resumed>) = 3 [pid 5890] <... close resumed>) = 0 [pid 5889] <... futex resumed>) = 1 [pid 5884] <... futex resumed>) = 0 [pid 5892] write(3, "1000", 4 [pid 5891] <... openat resumed>) = 3 [pid 5890] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5884] exit_group(0 [pid 5892] <... write resumed>) = 4 [pid 5891] write(3, "1000", 4 [pid 5890] <... futex resumed>) = 0 [pid 5889] <... futex resumed>) = ? [pid 5884] <... exit_group resumed>) = ? [pid 5892] close(3 [pid 5891] <... write resumed>) = 4 [pid 5890] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5889] +++ exited with 0 +++ [pid 5893] <... openat resumed>) = 3 [pid 5893] write(3, "1000", 4 [pid 5892] <... close resumed>) = 0 [pid 5891] close(3 [pid 5890] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5884] +++ exited with 0 +++ [pid 5893] <... write resumed>) = 4 [pid 5892] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] <... close resumed>) = 0 [pid 5890] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5884, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5893] close(3 [pid 5892] <... futex resumed>) = 0 [pid 5891] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5893] <... close resumed>) = 0 [pid 5892] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5891] <... futex resumed>) = 0 [pid 5890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5893] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5891] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5890] <... mmap resumed>) = 0x7ff12c95c000 [pid 5893] <... futex resumed>) = 0 [pid 5892] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5891] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5890] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5894 attached [pid 5893] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5891] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5890] <... mprotect resumed>) = 0 [pid 5893] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5892] <... mmap resumed>) = 0x7ff12c95c000 [pid 5891] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5890] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5894] set_robust_list(0x555581d606a0, 24 [pid 5893] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5892] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5891] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5890] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5894] <... set_robust_list resumed>) = 0 [pid 5893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5892] <... mprotect resumed>) = 0 [pid 5891] <... mprotect resumed>) = 0 [pid 5890] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5894 ./strace-static-x86_64: Process 5895 attached [pid 5894] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5891] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5895] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5894] <... prctl resumed>) = 0 [pid 5893] <... mmap resumed>) = 0x7ff12c95c000 [pid 5892] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5891] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5890] <... clone3 resumed> => {parent_tid=[5895]}, 88) = 5895 [pid 5895] <... rseq resumed>) = 0 [pid 5894] setpgid(0, 0 [pid 5893] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5892] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5891] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5890] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5896 attached [pid 5895] set_robust_list(0x7ff12c97c9a0, 24 [pid 5894] <... setpgid resumed>) = 0 [pid 5893] <... mprotect resumed>) = 0 [pid 5892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5896] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5895] <... set_robust_list resumed>) = 0 [pid 5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5896] <... rseq resumed>) = 0 [pid 5895] rt_sigprocmask(SIG_SETMASK, [], [pid 5891] <... clone3 resumed> => {parent_tid=[5896]}, 88) = 5896 [pid 5896] set_robust_list(0x7ff12c97c9a0, 24 [pid 5895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5891] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5897 attached [pid 5896] <... set_robust_list resumed>) = 0 [pid 5895] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5897] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5896] rt_sigprocmask(SIG_SETMASK, [], [pid 5894] <... openat resumed>) = 3 [pid 5891] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] <... rseq resumed>) = 0 [pid 5896] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5895] <... futex resumed>) = 0 [pid 5893] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5892] <... clone3 resumed> => {parent_tid=[5897]}, 88) = 5897 [pid 5891] <... futex resumed>) = 0 [pid 5890] <... futex resumed>) = 1 [pid 5897] set_robust_list(0x7ff12c97c9a0, 24 [pid 5896] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5895] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5894] write(3, "1000", 4 [pid 5893] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5892] rt_sigprocmask(SIG_SETMASK, [], [pid 5891] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5890] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5897] <... set_robust_list resumed>) = 0 [pid 5896] <... openat resumed>) = 3 [pid 5895] <... openat resumed>) = 3 [pid 5894] <... write resumed>) = 4 [pid 5893] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5897] rt_sigprocmask(SIG_SETMASK, [], [pid 5896] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] close(3./strace-static-x86_64: Process 5898 attached [pid 5897] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5896] <... futex resumed>) = 1 [pid 5895] <... futex resumed>) = 1 [pid 5894] <... close resumed>) = 0 [pid 5892] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] <... futex resumed>) = 0 [pid 5890] <... futex resumed>) = 0 [pid 5898] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5897] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5896] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5895] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5892] <... futex resumed>) = 0 [pid 5891] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] <... rseq resumed>) = 0 [pid 5895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5894] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] <... clone3 resumed> => {parent_tid=[5898]}, 88) = 5898 [pid 5892] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5891] <... futex resumed>) = 0 [pid 5890] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] set_robust_list(0x7ff12c97c9a0, 24 [pid 5897] <... openat resumed>) = 3 [pid 5896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5895] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5894] <... futex resumed>) = 0 [pid 5893] rt_sigprocmask(SIG_SETMASK, [], [pid 5891] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5890] <... futex resumed>) = 0 [pid 5898] <... set_robust_list resumed>) = 0 [pid 5897] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5895] <... ioctl resumed>) = 0 [pid 5894] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5890] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5898] rt_sigprocmask(SIG_SETMASK, [], [pid 5897] <... futex resumed>) = 1 [pid 5896] <... ioctl resumed>) = 0 [pid 5895] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5893] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] <... futex resumed>) = 0 [pid 5890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5897] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5896] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] <... futex resumed>) = 0 [pid 5893] <... futex resumed>) = 0 [pid 5892] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5890] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5897] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5896] <... futex resumed>) = 1 [pid 5895] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5893] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5892] <... futex resumed>) = 0 [pid 5891] <... futex resumed>) = 0 [pid 5890] <... futex resumed>) = 0 [pid 5897] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5896] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5895] <... ioctl resumed>) = 0 [pid 5894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5892] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5891] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] <... openat resumed>) = 3 [pid 5897] <... ioctl resumed>) = 0 [pid 5896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5895] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... mmap resumed>) = 0x7ff12c95c000 [pid 5891] <... futex resumed>) = 0 [pid 5890] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5897] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5895] <... futex resumed>) = 0 [pid 5891] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5898] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5897] <... futex resumed>) = 1 [pid 5896] <... ioctl resumed>) = 0 [pid 5895] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5892] <... futex resumed>) = 0 [pid 5898] <... futex resumed>) = 1 [pid 5897] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5896] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... mprotect resumed>) = 0 [pid 5893] <... futex resumed>) = 0 [pid 5892] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] exit_group(0 [pid 5898] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5897] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5896] <... futex resumed>) = 1 [pid 5893] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] <... futex resumed>) = 0 [pid 5891] <... futex resumed>) = 0 [pid 5897] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5896] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] <... futex resumed>) = 0 [pid 5892] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5898] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5895] <... futex resumed>) = ? [pid 5891] exit_group(0 [pid 5890] <... exit_group resumed>) = ? [pid 5898] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5897] <... ioctl resumed>) = 0 [pid 5895] +++ exited with 0 +++ [pid 5894] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5893] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5897] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] <... futex resumed>) = ? [pid 5891] <... exit_group resumed>) = ? [pid 5898] <... ioctl resumed>) = 0 [pid 5897] <... futex resumed>) = 1 [pid 5894] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5892] <... futex resumed>) = 0 [pid 5890] +++ exited with 0 +++ [pid 5898] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5899 attached [pid 5898] <... futex resumed>) = 1 [pid 5897] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5896] +++ exited with 0 +++ [pid 5893] <... futex resumed>) = 0 [pid 5892] exit_group(0 [pid 5891] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5890, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5898] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5897] <... futex resumed>) = ? [pid 5894] <... clone3 resumed> => {parent_tid=[5899]}, 88) = 5899 [pid 5893] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] <... exit_group resumed>) = ? [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5891, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5899] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5898] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5897] +++ exited with 0 +++ [pid 5894] rt_sigprocmask(SIG_SETMASK, [], [pid 5893] <... futex resumed>) = 0 [pid 5898] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5893] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5899] <... rseq resumed>) = 0 [pid 5899] set_robust_list(0x7ff12c97c9a0, 24 [pid 5898] <... ioctl resumed>) = 0 [pid 5894] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5899] <... set_robust_list resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5894] <... futex resumed>) = 0 [pid 5899] rt_sigprocmask(SIG_SETMASK, [], [pid 5898] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5894] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5900 attached [pid 5900] set_robust_list(0x555581d606a0, 24 [pid 5899] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5898] <... futex resumed>) = 1 [pid 5893] <... futex resumed>) = 0 [pid 5892] +++ exited with 0 +++ [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5900 ./strace-static-x86_64: Process 5901 attached [pid 5900] <... set_robust_list resumed>) = 0 [pid 5898] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] exit_group(0 [pid 5901] set_robust_list(0x555581d606a0, 24 [pid 5900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5899] <... openat resumed>) = 3 [pid 5898] <... futex resumed>) = ? [pid 5893] <... exit_group resumed>) = ? [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5892, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5899] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5900] <... prctl resumed>) = 0 [pid 5900] setpgid(0, 0) = 0 [pid 5898] +++ exited with 0 +++ [pid 5066] <... restart_syscall resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5901 [pid 5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5902 attached [pid 5901] <... set_robust_list resumed>) = 0 [pid 5899] <... futex resumed>) = 1 [pid 5894] <... futex resumed>) = 0 [pid 5893] +++ exited with 0 +++ [pid 5900] write(3, "1000", 4 [pid 5899] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5894] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5893, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5894] <... futex resumed>) = 0 [pid 5899] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5894] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5902] set_robust_list(0x555581d606a0, 24 [pid 5901] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5899] <... ioctl resumed>) = 0 [pid 5902] <... set_robust_list resumed>) = 0 [pid 5900] <... write resumed>) = 4 [pid 5900] close(3) = 0 [pid 5902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5901] <... prctl resumed>) = 0 [pid 5900] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5903 attached [pid 5902] <... prctl resumed>) = 0 [pid 5901] setpgid(0, 0 [pid 5900] <... futex resumed>) = 0 [pid 5899] <... futex resumed>) = 1 [pid 5894] <... futex resumed>) = 0 [pid 5902] setpgid(0, 0 [pid 5894] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] set_robust_list(0x555581d606a0, 24 [pid 5899] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5894] <... futex resumed>) = 0 [pid 5903] <... set_robust_list resumed>) = 0 [pid 5902] <... setpgid resumed>) = 0 [pid 5901] <... setpgid resumed>) = 0 [pid 5894] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5899] <... ioctl resumed>) = 0 [pid 5900] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5902 [pid 5900] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5903] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5900] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5899] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] <... prctl resumed>) = 0 [pid 5900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5903 [pid 5900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5903] setpgid(0, 0 [pid 5900] <... mmap resumed>) = 0x7ff12c95c000 [pid 5899] <... futex resumed>) = 1 [pid 5894] <... futex resumed>) = 0 [pid 5900] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5894] exit_group(0 [pid 5903] <... setpgid resumed>) = 0 [pid 5902] <... openat resumed>) = 3 [pid 5901] <... openat resumed>) = 3 [pid 5900] <... mprotect resumed>) = 0 [pid 5894] <... exit_group resumed>) = ? [pid 5903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5902] write(3, "1000", 4 [pid 5901] write(3, "1000", 4 [pid 5900] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5899] +++ exited with 0 +++ [pid 5900] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5902] <... write resumed>) = 4 [pid 5901] <... write resumed>) = 4 [pid 5900] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5903] <... openat resumed>) = 3 [pid 5902] close(3 [pid 5901] close(3./strace-static-x86_64: Process 5904 attached [pid 5904] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 5900] <... clone3 resumed> => {parent_tid=[5904]}, 88) = 5904 [pid 5904] set_robust_list(0x7ff12c97c9a0, 24 [pid 5902] <... close resumed>) = 0 [pid 5900] rt_sigprocmask(SIG_SETMASK, [], [pid 5904] <... set_robust_list resumed>) = 0 [pid 5902] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] rt_sigprocmask(SIG_SETMASK, [], [pid 5900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5900] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5900] <... futex resumed>) = 0 [pid 5904] <... openat resumed>) = 3 [pid 5900] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] <... close resumed>) = 0 [pid 5904] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] <... futex resumed>) = 0 [pid 5904] <... futex resumed>) = 1 [pid 5900] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5900] <... futex resumed>) = 0 [pid 5904] <... ioctl resumed>) = 0 [pid 5900] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5904] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] write(3, "1000", 4 [pid 5902] <... futex resumed>) = 0 [pid 5901] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] +++ exited with 0 +++ [pid 5904] <... futex resumed>) = 1 [pid 5903] <... write resumed>) = 4 [pid 5902] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5901] <... futex resumed>) = 0 [pid 5900] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5894, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5904] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5903] close(3 [pid 5902] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5901] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5900] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5903] <... close resumed>) = 0 [pid 5902] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5901] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5900] <... futex resumed>) = 0 [pid 5904] ioctl(3, SNDRV_TIMER_IOCTL_START, 0) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5904] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5901] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5900] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5904] <... futex resumed>) = 0 [pid 5903] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5904] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5903] <... futex resumed>) = 0 [pid 5902] <... mmap resumed>) = 0x7ff12c95c000 [pid 5901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5900] exit_group(0./strace-static-x86_64: Process 5905 attached [pid 5901] <... mmap resumed>) = 0x7ff12c95c000 [pid 5905] set_robust_list(0x555581d606a0, 24 [pid 5904] <... futex resumed>) = ? [pid 5903] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5902] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5901] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5900] <... exit_group resumed>) = ? [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5905 [pid 5905] <... set_robust_list resumed>) = 0 [pid 5904] +++ exited with 0 +++ [pid 5903] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5902] <... mprotect resumed>) = 0 [pid 5901] <... mprotect resumed>) = 0 [pid 5900] +++ exited with 0 +++ [pid 5905] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5903] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5902] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5901] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5900, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5905] <... prctl resumed>) = 0 [pid 5903] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5902] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5905] setpgid(0, 0 [pid 5903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5902] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5901] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5906 attached [pid 5905] <... setpgid resumed>) = 0 [pid 5903] <... mmap resumed>) = 0x7ff12c95c000 [pid 5901] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5907 attached [pid 5906] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5902] <... clone3 resumed> => {parent_tid=[5906]}, 88) = 5906 [pid 5907] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5906] <... rseq resumed>) = 0 [pid 5903] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5902] rt_sigprocmask(SIG_SETMASK, [], [pid 5907] <... rseq resumed>) = 0 [pid 5906] set_robust_list(0x7ff12c97c9a0, 24 [pid 5905] <... openat resumed>) = 3 [pid 5903] <... mprotect resumed>) = 0 [pid 5902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5901] <... clone3 resumed> => {parent_tid=[5907]}, 88) = 5907 [pid 5907] set_robust_list(0x7ff12c97c9a0, 24 [pid 5906] <... set_robust_list resumed>) = 0 [pid 5905] write(3, "1000", 4 [pid 5903] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5902] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5908 attached [pid 5907] <... set_robust_list resumed>) = 0 [pid 5906] rt_sigprocmask(SIG_SETMASK, [], [pid 5905] <... write resumed>) = 4 [pid 5903] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5902] <... futex resumed>) = 0 [pid 5901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5908] set_robust_list(0x555581d606a0, 24 [pid 5907] rt_sigprocmask(SIG_SETMASK, [], [pid 5906] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5905] close(3 [pid 5903] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5908] <... set_robust_list resumed>) = 0 [pid 5902] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5906] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY./strace-static-x86_64: Process 5909 attached [pid 5908] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5907] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5905] <... close resumed>) = 0 [pid 5901] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5908 [pid 5909] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5908] <... prctl resumed>) = 0 [pid 5907] <... openat resumed>) = 3 [pid 5906] <... openat resumed>) = 3 [pid 5905] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] <... clone3 resumed> => {parent_tid=[5909]}, 88) = 5909 [pid 5906] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... futex resumed>) = 0 [pid 5906] <... futex resumed>) = 1 [pid 5907] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5905] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5902] <... futex resumed>) = 0 [pid 5901] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5909] <... rseq resumed>) = 0 [pid 5908] setpgid(0, 0 [pid 5907] <... futex resumed>) = 0 [pid 5905] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5903] rt_sigprocmask(SIG_SETMASK, [], [pid 5902] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5909] set_robust_list(0x7ff12c97c9a0, 24 [pid 5908] <... setpgid resumed>) = 0 [pid 5907] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5905] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5903] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5909] <... set_robust_list resumed>) = 0 [pid 5908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5907] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5906] <... futex resumed>) = 0 [pid 5905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5903] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] <... futex resumed>) = 1 [pid 5901] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] rt_sigprocmask(SIG_SETMASK, [], [pid 5907] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5906] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5903] <... futex resumed>) = 0 [pid 5902] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] <... futex resumed>) = 0 [pid 5909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5908] <... openat resumed>) = 3 [pid 5907] <... ioctl resumed>) = 0 [pid 5906] <... ioctl resumed>) = 0 [pid 5905] <... mmap resumed>) = 0x7ff12c95c000 [pid 5903] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5909] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5908] write(3, "1000", 4 [pid 5907] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5901] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5907] <... futex resumed>) = 0 [pid 5907] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5906] <... futex resumed>) = 1 [pid 5901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5902] <... futex resumed>) = 0 [pid 5908] <... write resumed>) = 4 [pid 5906] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5905] <... mprotect resumed>) = 0 [pid 5902] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] close(3 [pid 5906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5909] <... openat resumed>) = 3 [pid 5908] <... close resumed>) = 0 [pid 5907] <... futex resumed>) = 0 [pid 5906] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5905] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5902] <... futex resumed>) = 0 [pid 5901] <... futex resumed>) = 1 [pid 5909] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5906] <... ioctl resumed>) = 0 [pid 5905] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5902] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5909] <... futex resumed>) = 1 [pid 5908] <... futex resumed>) = 0 [pid 5907] <... ioctl resumed>) = 0 [pid 5906] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5903] <... futex resumed>) = 0 [pid 5902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5910 attached [pid 5909] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5908] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5907] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] <... futex resumed>) = 0 [pid 5903] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] <... ioctl resumed>) = 0 [pid 5903] <... futex resumed>) = 0 [pid 5910] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5908] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5903] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5910] <... rseq resumed>) = 0 [pid 5908] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5907] <... futex resumed>) = 1 [pid 5906] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5905] <... clone3 resumed> => {parent_tid=[5910]}, 88) = 5910 [pid 5901] <... futex resumed>) = 0 [pid 5902] exit_group(0 [pid 5910] set_robust_list(0x7ff12c97c9a0, 24 [pid 5908] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5907] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5905] rt_sigprocmask(SIG_SETMASK, [], [pid 5902] <... exit_group resumed>) = ? [pid 5910] <... set_robust_list resumed>) = 0 [pid 5909] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5906] <... futex resumed>) = ? [pid 5905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5901] exit_group(0 [pid 5910] rt_sigprocmask(SIG_SETMASK, [], [pid 5909] <... futex resumed>) = 0 [pid 5903] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5903] <... futex resumed>) = 0 [pid 5908] <... mmap resumed>) = 0x7ff12c95c000 [pid 5910] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5909] <... ioctl resumed>) = 0 [pid 5907] <... futex resumed>) = ? [pid 5905] <... futex resumed>) = 0 [pid 5903] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] <... exit_group resumed>) = ? [pid 5909] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] +++ exited with 0 +++ [pid 5903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5909] <... futex resumed>) = 0 [pid 5903] exit_group(0) = ? [pid 5910] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5909] +++ exited with 0 +++ [pid 5908] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5905] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5903] +++ exited with 0 +++ [pid 5901] +++ exited with 0 +++ [pid 5910] <... openat resumed>) = 3 [pid 5908] <... mprotect resumed>) = 0 [pid 5906] +++ exited with 0 +++ [pid 5902] +++ exited with 0 +++ [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5901, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5903, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5910] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5910] <... futex resumed>) = 1 [pid 5908] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5905] <... futex resumed>) = 0 [pid 5910] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5908] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5905] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5902, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5912 attached ./strace-static-x86_64: Process 5911 attached [pid 5910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5905] <... futex resumed>) = 0 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5912] set_robust_list(0x555581d606a0, 24 [pid 5911] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5910] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5908] <... clone3 resumed> => {parent_tid=[5911]}, 88) = 5911 [pid 5905] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... restart_syscall resumed>) = 0 [pid 5912] <... set_robust_list resumed>) = 0 [pid 5911] <... rseq resumed>) = 0 [pid 5910] <... ioctl resumed>) = 0 [pid 5908] rt_sigprocmask(SIG_SETMASK, [], [pid 5912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5911] set_robust_list(0x7ff12c97c9a0, 24 [pid 5910] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5912] <... prctl resumed>) = 0 [pid 5911] <... set_robust_list resumed>) = 0 [pid 5910] <... futex resumed>) = 1 [pid 5908] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5912 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5912] setpgid(0, 0 [pid 5911] rt_sigprocmask(SIG_SETMASK, [], [pid 5910] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5908] <... futex resumed>) = 0 [pid 5905] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5912] <... setpgid resumed>) = 0 [pid 5910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5908] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5905] <... futex resumed>) = 0 [pid 5911] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5905] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5910] ioctl(3, SNDRV_TIMER_IOCTL_START, 0./strace-static-x86_64: Process 5914 attached ./strace-static-x86_64: Process 5913 attached [pid 5912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5911] <... openat resumed>) = 3 [pid 5910] <... ioctl resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5913 [pid 5914] set_robust_list(0x555581d606a0, 24 [pid 5913] set_robust_list(0x555581d606a0, 24 [pid 5911] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] <... futex resumed>) = 1 [pid 5910] <... futex resumed>) = 1 [pid 5908] <... futex resumed>) = 0 [pid 5905] <... futex resumed>) = 0 [pid 5914] <... set_robust_list resumed>) = 0 [pid 5911] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5910] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5908] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] exit_group(0 [pid 5914] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5913] <... set_robust_list resumed>) = 0 [pid 5912] <... openat resumed>) = 3 [pid 5911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5910] <... futex resumed>) = ? [pid 5908] <... futex resumed>) = 0 [pid 5905] <... exit_group resumed>) = ? [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5914 [pid 5914] <... prctl resumed>) = 0 [pid 5913] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5912] write(3, "1000", 4 [pid 5910] +++ exited with 0 +++ [pid 5908] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5913] <... prctl resumed>) = 0 [pid 5912] <... write resumed>) = 4 [pid 5914] setpgid(0, 0 [pid 5913] setpgid(0, 0 [pid 5912] close(3 [pid 5911] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5914] <... setpgid resumed>) = 0 [pid 5913] <... setpgid resumed>) = 0 [pid 5912] <... close resumed>) = 0 [pid 5914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5911] <... ioctl resumed>) = 0 [pid 5914] <... openat resumed>) = 3 [pid 5913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5912] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] <... futex resumed>) = 0 [pid 5914] write(3, "1000", 4 [pid 5913] <... openat resumed>) = 3 [pid 5912] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5911] <... futex resumed>) = 1 [pid 5908] <... futex resumed>) = 0 [pid 5905] +++ exited with 0 +++ [pid 5912] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5911] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5908] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5905, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5914] <... write resumed>) = 4 [pid 5912] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5908] <... futex resumed>) = 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5914] close(3 [pid 5913] write(3, "1000", 4 [pid 5912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5911] <... ioctl resumed>) = 0 [pid 5908] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... restart_syscall resumed>) = 0 [pid 5914] <... close resumed>) = 0 [pid 5913] <... write resumed>) = 4 [pid 5911] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5914] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] close(3 [pid 5912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5911] <... futex resumed>) = 0 [pid 5908] exit_group(0 [pid 5914] <... futex resumed>) = 0 [pid 5913] <... close resumed>) = 0 [pid 5912] <... mmap resumed>) = 0x7ff12c95c000 [pid 5908] <... exit_group resumed>) = ? [pid 5914] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5913] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5913] <... futex resumed>) = 0 [pid 5913] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5912] <... mprotect resumed>) = 0 [pid 5913] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5913] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5912] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5913] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5913] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5912] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5912] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5914] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5911] +++ exited with 0 +++ [pid 5908] +++ exited with 0 +++ [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5915 attached [pid 5914] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5913] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5908, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5912] <... clone3 resumed> => {parent_tid=[5915]}, 88) = 5915 ./strace-static-x86_64: Process 5916 attached [pid 5915] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5913] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5912] rt_sigprocmask(SIG_SETMASK, [], [pid 5916] set_robust_list(0x555581d606a0, 24 [pid 5915] <... rseq resumed>) = 0 [pid 5914] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5913] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5916 ./strace-static-x86_64: Process 5917 attached [pid 5916] <... set_robust_list resumed>) = 0 [pid 5915] set_robust_list(0x7ff12c97c9a0, 24 [pid 5914] <... mmap resumed>) = 0x7ff12c95c000 [pid 5913] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5912] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] <... set_robust_list resumed>) = 0 [pid 5914] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5918 attached [pid 5917] set_robust_list(0x555581d606a0, 24 [pid 5916] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5915] rt_sigprocmask(SIG_SETMASK, [], [pid 5914] <... mprotect resumed>) = 0 [pid 5912] <... futex resumed>) = 0 [pid 5918] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5917] <... set_robust_list resumed>) = 0 [pid 5916] <... prctl resumed>) = 0 [pid 5915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5918] <... rseq resumed>) = 0 [pid 5914] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5912] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] set_robust_list(0x7ff12c97c9a0, 24 [pid 5917] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5916] setpgid(0, 0 [pid 5915] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5914] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5913] <... clone3 resumed> => {parent_tid=[5918]}, 88) = 5918 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5917 [pid 5918] <... set_robust_list resumed>) = 0 [pid 5917] <... prctl resumed>) = 0 [pid 5916] <... setpgid resumed>) = 0 [pid 5915] <... openat resumed>) = 3 [pid 5914] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5913] rt_sigprocmask(SIG_SETMASK, [], [pid 5918] rt_sigprocmask(SIG_SETMASK, [], [pid 5917] setpgid(0, 0 [pid 5916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5915] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5919 attached [pid 5918] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5917] <... setpgid resumed>) = 0 [pid 5915] <... futex resumed>) = 1 [pid 5913] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] <... futex resumed>) = 0 [pid 5919] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5918] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5915] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5914] <... clone3 resumed> => {parent_tid=[5919]}, 88) = 5919 [pid 5913] <... futex resumed>) = 0 [pid 5916] <... openat resumed>) = 3 [pid 5912] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] <... rseq resumed>) = 0 [pid 5914] rt_sigprocmask(SIG_SETMASK, [], [pid 5913] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5912] <... futex resumed>) = 0 [pid 5918] <... openat resumed>) = 3 [pid 5917] <... openat resumed>) = 3 [pid 5916] write(3, "1000", 4 [pid 5915] <... ioctl resumed>) = 0 [pid 5912] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5919] set_robust_list(0x7ff12c97c9a0, 24 [pid 5918] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] write(3, "1000", 4 [pid 5916] <... write resumed>) = 4 [pid 5915] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5919] <... set_robust_list resumed>) = 0 [pid 5918] <... futex resumed>) = 1 [pid 5917] <... write resumed>) = 4 [pid 5916] close(3 [pid 5915] <... futex resumed>) = 0 [pid 5914] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] <... futex resumed>) = 0 [pid 5912] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] rt_sigprocmask(SIG_SETMASK, [], [pid 5918] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5917] close(3 [pid 5916] <... close resumed>) = 0 [pid 5915] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5914] <... futex resumed>) = 0 [pid 5913] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] <... futex resumed>) = 0 [pid 5919] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5917] <... close resumed>) = 0 [pid 5916] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] <... ioctl resumed>) = 0 [pid 5914] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5913] <... futex resumed>) = 0 [pid 5912] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5919] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5918] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5917] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] <... futex resumed>) = 0 [pid 5915] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5919] <... openat resumed>) = 3 [pid 5918] <... ioctl resumed>) = 0 [pid 5917] <... futex resumed>) = 0 [pid 5916] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5915] <... futex resumed>) = 0 [pid 5912] exit_group(0 [pid 5919] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5916] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5912] <... exit_group resumed>) = ? [pid 5919] <... futex resumed>) = 1 [pid 5918] <... futex resumed>) = 1 [pid 5917] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5914] <... futex resumed>) = 0 [pid 5913] <... futex resumed>) = 0 [pid 5919] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5913] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5916] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5915] +++ exited with 0 +++ [pid 5912] +++ exited with 0 +++ [pid 5918] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5917] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5914] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5912, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5918] <... ioctl resumed>) = 0 [pid 5917] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5918] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... futex resumed>) = 1 [pid 5917] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5918] <... futex resumed>) = 1 [pid 5914] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5913] <... futex resumed>) = 0 [pid 5919] <... futex resumed>) = 0 [pid 5918] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5917] <... mmap resumed>) = 0x7ff12c95c000 [pid 5916] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5913] exit_group(0 [pid 5919] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5918] <... futex resumed>) = ? [pid 5917] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5916] <... mprotect resumed>) = 0 [pid 5913] <... exit_group resumed>) = ? [pid 5919] <... ioctl resumed>) = 0 [pid 5918] +++ exited with 0 +++ [pid 5917] <... mprotect resumed>) = 0 [pid 5916] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5919] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5919] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5916] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5917] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5916] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5914] <... futex resumed>) = 0 [pid 5913] +++ exited with 0 +++ [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5913, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5917] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5914] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5919] <... futex resumed>) = 0 [pid 5917] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5914] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5919] ioctl(3, SNDRV_TIMER_IOCTL_START, 0./strace-static-x86_64: Process 5922 attached ./strace-static-x86_64: Process 5921 attached ./strace-static-x86_64: Process 5920 attached ) = 0 [pid 5916] <... clone3 resumed> => {parent_tid=[5920]}, 88) = 5920 [pid 5922] set_robust_list(0x555581d606a0, 24 [pid 5920] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5919] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5923 attached [pid 5922] <... set_robust_list resumed>) = 0 [pid 5921] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5920] <... rseq resumed>) = 0 [pid 5919] <... futex resumed>) = 1 [pid 5917] <... clone3 resumed> => {parent_tid=[5921]}, 88) = 5921 [pid 5916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5914] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5922 [pid 5923] set_robust_list(0x555581d606a0, 24 [pid 5922] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5921] <... rseq resumed>) = 0 [pid 5920] set_robust_list(0x7ff12c97c9a0, 24 [pid 5919] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5917] rt_sigprocmask(SIG_SETMASK, [], [pid 5916] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] exit_group(0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5923 [pid 5923] <... set_robust_list resumed>) = 0 [pid 5922] <... prctl resumed>) = 0 [pid 5921] set_robust_list(0x7ff12c97c9a0, 24 [pid 5920] <... set_robust_list resumed>) = 0 [pid 5919] <... futex resumed>) = ? [pid 5917] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5916] <... futex resumed>) = 0 [pid 5914] <... exit_group resumed>) = ? [pid 5923] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5922] setpgid(0, 0 [pid 5921] <... set_robust_list resumed>) = 0 [pid 5920] rt_sigprocmask(SIG_SETMASK, [], [pid 5919] +++ exited with 0 +++ [pid 5917] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5922] <... setpgid resumed>) = 0 [pid 5920] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5920] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5914] +++ exited with 0 +++ [pid 5923] <... prctl resumed>) = 0 [pid 5922] <... openat resumed>) = 3 [pid 5921] rt_sigprocmask(SIG_SETMASK, [], [pid 5920] <... openat resumed>) = 3 [pid 5917] <... futex resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5914, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5923] setpgid(0, 0 [pid 5922] write(3, "1000", 4 [pid 5921] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5920] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5923] <... setpgid resumed>) = 0 [pid 5922] <... write resumed>) = 4 [pid 5921] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5920] <... futex resumed>) = 1 [pid 5916] <... futex resumed>) = 0 [pid 5920] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5916] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5922] close(3 [pid 5921] <... openat resumed>) = 3 [pid 5920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5916] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5924 attached [pid 5920] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5916] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] <... ioctl resumed>) = 0 [pid 5920] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5916] <... futex resumed>) = 0 [pid 5916] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5920] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5916] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] <... ioctl resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5924 [pid 5920] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5916] <... futex resumed>) = 0 [pid 5920] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5916] exit_group(0 [pid 5920] <... futex resumed>) = ? [pid 5916] <... exit_group resumed>) = ? [pid 5924] set_robust_list(0x555581d606a0, 24 [pid 5922] <... close resumed>) = 0 [pid 5921] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] +++ exited with 0 +++ [pid 5923] <... openat resumed>) = 3 [pid 5921] <... futex resumed>) = 1 [pid 5917] <... futex resumed>) = 0 [pid 5923] write(3, "1000", 4 [pid 5922] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] <... set_robust_list resumed>) = 0 [pid 5917] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... write resumed>) = 4 [pid 5922] <... futex resumed>) = 0 [pid 5921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5923] close(3 [pid 5917] <... futex resumed>) = 0 [pid 5922] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5921] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5917] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5923] <... close resumed>) = 0 [pid 5924] <... prctl resumed>) = 0 [pid 5923] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5921] <... ioctl resumed>) = 0 [pid 5916] +++ exited with 0 +++ [pid 5924] setpgid(0, 0 [pid 5923] <... futex resumed>) = 0 [pid 5922] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5921] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... setpgid resumed>) = 0 [pid 5923] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5922] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5921] <... futex resumed>) = 1 [pid 5917] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5916, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5923] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5923] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5921] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5917] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5922] <... mmap resumed>) = 0x7ff12c95c000 [pid 5917] <... futex resumed>) = 0 [pid 5924] <... openat resumed>) = 3 [pid 5924] write(3, "1000", 4./strace-static-x86_64: Process 5925 attached ) = 4 [pid 5923] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5922] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5921] <... ioctl resumed>) = 0 [pid 5917] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5925] set_robust_list(0x555581d606a0, 24 [pid 5924] close(3 [pid 5923] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5922] <... mprotect resumed>) = 0 [pid 5921] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... set_robust_list resumed>) = 0 [pid 5924] <... close resumed>) = 0 [pid 5923] <... mmap resumed>) = 0x7ff12c95c000 [pid 5922] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5921] <... futex resumed>) = 1 [pid 5917] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5925 [pid 5925] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5924] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5922] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5921] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5917] exit_group(0 [pid 5925] <... prctl resumed>) = 0 [pid 5924] <... futex resumed>) = 0 [pid 5923] <... mprotect resumed>) = 0 [pid 5922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5921] <... futex resumed>) = ? [pid 5917] <... exit_group resumed>) = ? [pid 5925] setpgid(0, 0 [pid 5924] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5925] <... setpgid resumed>) = 0 [pid 5924] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5926 attached ) = 3 [pid 5924] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5923] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5922] <... clone3 resumed> => {parent_tid=[5926]}, 88) = 5926 [pid 5921] +++ exited with 0 +++ [pid 5917] +++ exited with 0 +++ [pid 5926] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5925] write(3, "1000", 4 [pid 5924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5923] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5922] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5917, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5926] <... rseq resumed>) = 0 [pid 5925] <... write resumed>) = 4 [pid 5924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5923] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5922] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5927 attached [pid 5926] set_robust_list(0x7ff12c97c9a0, 24 [pid 5925] close(3 [pid 5924] <... mmap resumed>) = 0x7ff12c95c000 [pid 5922] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5926] <... set_robust_list resumed>) = 0 [pid 5925] <... close resumed>) = 0 [pid 5924] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5923] <... clone3 resumed> => {parent_tid=[5927]}, 88) = 5927 [pid 5922] <... futex resumed>) = 0 [pid 5927] <... rseq resumed>) = 0 [pid 5926] rt_sigprocmask(SIG_SETMASK, [], [pid 5925] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] rt_sigprocmask(SIG_SETMASK, [], [pid 5922] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5927] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5927] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5927] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] <... mprotect resumed>) = 0 [pid 5926] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5925] <... futex resumed>) = 0 [pid 5924] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5923] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5926] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5924] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5925] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5923] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5924] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5928 attached [pid 5927] <... futex resumed>) = 0 [pid 5925] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5923] <... futex resumed>) = 1 [pid 5928] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5927] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5928] <... rseq resumed>) = 0 [pid 5927] <... openat resumed>) = 3 [pid 5926] <... openat resumed>) = 3 [pid 5924] <... clone3 resumed> => {parent_tid=[5928]}, 88) = 5928 [pid 5928] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5927] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] rt_sigprocmask(SIG_SETMASK, [], [pid 5928] rt_sigprocmask(SIG_SETMASK, [], [pid 5927] <... futex resumed>) = 0 [pid 5924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5928] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5927] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5924] <... futex resumed>) = 0 [pid 5924] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5928] <... openat resumed>) = 3 [pid 5928] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5929 attached [pid 5926] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5923] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5929 [pid 5929] set_robust_list(0x555581d606a0, 24 [pid 5926] <... futex resumed>) = 1 [pid 5922] <... futex resumed>) = 0 [pid 5929] <... set_robust_list resumed>) = 0 [pid 5926] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5922] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5922] <... futex resumed>) = 0 [pid 5926] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5922] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5929] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5928] <... futex resumed>) = 1 [pid 5926] <... ioctl resumed>) = 0 [pid 5925] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5924] <... futex resumed>) = 0 [pid 5923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5929] <... prctl resumed>) = 0 [pid 5928] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5926] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... mmap resumed>) = 0x7ff12c95c000 [pid 5924] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] setpgid(0, 0 [pid 5928] <... ioctl resumed>) = 0 [pid 5927] <... futex resumed>) = 0 [pid 5925] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5924] <... futex resumed>) = 0 [pid 5923] <... futex resumed>) = 1 [pid 5922] <... futex resumed>) = 0 [pid 5926] <... futex resumed>) = 1 [pid 5929] <... setpgid resumed>) = 0 [pid 5928] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5926] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5925] <... mprotect resumed>) = 0 [pid 5924] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5923] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5922] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5928] <... futex resumed>) = 0 [pid 5927] <... ioctl resumed>) = 0 [pid 5926] <... ioctl resumed>) = 0 [pid 5924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5922] <... futex resumed>) = 0 [pid 5928] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5929] <... openat resumed>) = 3 [pid 5927] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5926] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5929] write(3, "1000", 4 [pid 5928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5927] <... futex resumed>) = 1 [pid 5926] <... futex resumed>) = 0 [pid 5925] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5924] <... futex resumed>) = 0 [pid 5923] <... futex resumed>) = 0 [pid 5922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5929] <... write resumed>) = 4 [pid 5928] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5927] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5926] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5925] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5924] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5923] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] exit_group(0./strace-static-x86_64: Process 5930 attached [pid 5929] close(3 [pid 5928] <... ioctl resumed>) = 0 [pid 5927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5926] <... futex resumed>) = ? [pid 5923] <... futex resumed>) = 0 [pid 5922] <... exit_group resumed>) = ? [pid 5930] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5929] <... close resumed>) = 0 [pid 5928] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5926] +++ exited with 0 +++ [pid 5925] <... clone3 resumed> => {parent_tid=[5930]}, 88) = 5930 [pid 5923] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5928] <... futex resumed>) = 1 [pid 5927] <... ioctl resumed>) = 0 [pid 5925] rt_sigprocmask(SIG_SETMASK, [], [pid 5924] <... futex resumed>) = 0 [pid 5928] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5927] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5924] exit_group(0) = ? [pid 5928] <... futex resumed>) = ? [pid 5925] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... rseq resumed>) = 0 [pid 5929] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] +++ exited with 0 +++ [pid 5927] <... futex resumed>) = 1 [pid 5925] <... futex resumed>) = 0 [pid 5924] +++ exited with 0 +++ [pid 5923] <... futex resumed>) = 0 [pid 5922] +++ exited with 0 +++ [pid 5930] set_robust_list(0x7ff12c97c9a0, 24 [pid 5929] <... futex resumed>) = 0 [pid 5927] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5925] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5923] exit_group(0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5922, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5924, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5930] <... set_robust_list resumed>) = 0 [pid 5929] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5927] <... futex resumed>) = ? [pid 5923] <... exit_group resumed>) = ? [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5930] rt_sigprocmask(SIG_SETMASK, [], [pid 5929] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5927] +++ exited with 0 +++ [pid 5923] +++ exited with 0 +++ [pid 5072] <... restart_syscall resumed>) = 0 [pid 5065] <... restart_syscall resumed>) = 0 [pid 5930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5929] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5923, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5930] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5929] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5931 attached ./strace-static-x86_64: Process 5933 attached [pid 5930] <... openat resumed>) = 3 [pid 5929] <... mprotect resumed>) = 0 [pid 5930] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5932 attached [pid 5933] set_robust_list(0x555581d606a0, 24 [pid 5931] set_robust_list(0x555581d606a0, 24 [pid 5930] <... futex resumed>) = 1 [pid 5929] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5932 [pid 5933] <... set_robust_list resumed>) = 0 [pid 5932] set_robust_list(0x555581d606a0, 24 [pid 5931] <... set_robust_list resumed>) = 0 [pid 5930] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5929] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5925] <... futex resumed>) = 0 [pid 5933] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5932] <... set_robust_list resumed>) = 0 [pid 5929] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5925] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5934 attached [pid 5933] <... prctl resumed>) = 0 [pid 5932] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5931] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5930] <... futex resumed>) = 0 [pid 5925] <... futex resumed>) = 1 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5933 [pid 5933] setpgid(0, 0 [pid 5932] <... prctl resumed>) = 0 [pid 5931] <... prctl resumed>) = 0 [pid 5930] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5929] <... clone3 resumed> => {parent_tid=[5934]}, 88) = 5934 [pid 5925] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5931 [pid 5934] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5933] <... setpgid resumed>) = 0 [pid 5932] setpgid(0, 0 [pid 5931] setpgid(0, 0 [pid 5930] <... ioctl resumed>) = 0 [pid 5929] rt_sigprocmask(SIG_SETMASK, [], [pid 5934] <... rseq resumed>) = 0 [pid 5933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5932] <... setpgid resumed>) = 0 [pid 5931] <... setpgid resumed>) = 0 [pid 5930] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5934] set_robust_list(0x7ff12c97c9a0, 24 [pid 5933] <... openat resumed>) = 3 [pid 5932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5930] <... futex resumed>) = 1 [pid 5929] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... futex resumed>) = 0 [pid 5934] <... set_robust_list resumed>) = 0 [pid 5933] write(3, "1000", 4 [pid 5932] <... openat resumed>) = 3 [pid 5931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5930] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5929] <... futex resumed>) = 0 [pid 5925] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] rt_sigprocmask(SIG_SETMASK, [], [pid 5933] <... write resumed>) = 4 [pid 5930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5929] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5925] <... futex resumed>) = 0 [pid 5934] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5933] close(3 [pid 5932] write(3, "1000", 4 [pid 5931] <... openat resumed>) = 3 [pid 5930] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5925] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5934] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5933] <... close resumed>) = 0 [pid 5932] <... write resumed>) = 4 [pid 5931] write(3, "1000", 4 [pid 5930] <... ioctl resumed>) = 0 [pid 5934] <... openat resumed>) = 3 [pid 5933] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] close(3 [pid 5931] <... write resumed>) = 4 [pid 5934] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] <... futex resumed>) = 0 [pid 5932] <... close resumed>) = 0 [pid 5931] close(3 [pid 5930] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] <... futex resumed>) = 1 [pid 5932] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] <... futex resumed>) = 0 [pid 5932] <... futex resumed>) = 0 [pid 5934] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5932] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5931] <... close resumed>) = 0 [pid 5930] <... futex resumed>) = 1 [pid 5929] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... futex resumed>) = 0 [pid 5933] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5934] <... ioctl resumed>) = 0 [pid 5932] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5931] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5933] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5929] <... futex resumed>) = 0 [pid 5925] exit_group(0 [pid 5934] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5932] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5931] <... futex resumed>) = 0 [pid 5930] <... futex resumed>) = ? [pid 5929] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5925] <... exit_group resumed>) = ? [pid 5934] <... futex resumed>) = 0 [pid 5933] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5932] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5931] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5930] +++ exited with 0 +++ [pid 5929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5925] +++ exited with 0 +++ [pid 5934] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5932] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5931] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5929] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5933] <... mmap resumed>) = 0x7ff12c95c000 [pid 5932] <... mmap resumed>) = 0x7ff12c95c000 [pid 5931] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5929] <... futex resumed>) = 0 [pid 5932] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5931] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5929] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5925, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5934] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5933] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5934] <... ioctl resumed>) = 0 [pid 5932] <... mprotect resumed>) = 0 [pid 5931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5934] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] <... mprotect resumed>) = 0 [pid 5932] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5931] <... mmap resumed>) = 0x7ff12c95c000 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5929] <... futex resumed>) = 0 [pid 5934] <... futex resumed>) = 1 [pid 5932] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5929] exit_group(0 [pid 5931] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5933] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5932] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5931] <... mprotect resumed>) = 0 [pid 5929] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5935 attached [pid 5934] +++ exited with 0 +++ [pid 5933] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5935] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 5935] set_robust_list(0x7ff12c97c9a0, 24 [pid 5932] <... clone3 resumed> => {parent_tid=[5935]}, 88) = 5935 [pid 5935] <... set_robust_list resumed>) = 0 [pid 5935] rt_sigprocmask(SIG_SETMASK, [], [pid 5932] rt_sigprocmask(SIG_SETMASK, [], [pid 5935] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5932] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5932] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5932] <... futex resumed>) = 0 [pid 5929] +++ exited with 0 +++ [pid 5932] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5931] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5933] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5929, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5931] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5931] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5935] <... openat resumed>) = 3 [pid 5935] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5932] <... futex resumed>) = 0 [pid 5935] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5932] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... ioctl resumed>) = 0 [pid 5932] <... futex resumed>) = 0 [pid 5935] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5938 attached ./strace-static-x86_64: Process 5937 attached ./strace-static-x86_64: Process 5936 attached [pid 5935] <... futex resumed>) = 0 [pid 5933] <... clone3 resumed> => {parent_tid=[5937]}, 88) = 5937 [pid 5932] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5937] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5933] rt_sigprocmask(SIG_SETMASK, [], [pid 5931] <... clone3 resumed> => {parent_tid=[5938]}, 88) = 5938 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5936 [pid 5937] <... rseq resumed>) = 0 [pid 5936] set_robust_list(0x555581d606a0, 24 [pid 5933] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5931] rt_sigprocmask(SIG_SETMASK, [], [pid 5936] <... set_robust_list resumed>) = 0 [pid 5937] set_robust_list(0x7ff12c97c9a0, 24 [pid 5933] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5939 attached [pid 5938] <... rseq resumed>) = 0 [pid 5937] <... set_robust_list resumed>) = 0 [pid 5936] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5935] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5933] <... futex resumed>) = 0 [pid 5932] <... futex resumed>) = 0 [pid 5931] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] rt_sigprocmask(SIG_SETMASK, [], [pid 5936] <... prctl resumed>) = 0 [pid 5933] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5931] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5939 [pid 5937] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5936] setpgid(0, 0 [pid 5939] set_robust_list(0x555581d606a0, 24 [pid 5938] set_robust_list(0x7ff12c97c9a0, 24 [pid 5935] <... ioctl resumed>) = 0 [pid 5932] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5936] <... setpgid resumed>) = 0 [pid 5931] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5937] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5939] <... set_robust_list resumed>) = 0 [pid 5938] <... set_robust_list resumed>) = 0 [pid 5937] <... openat resumed>) = 3 [pid 5936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5935] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5938] rt_sigprocmask(SIG_SETMASK, [], [pid 5937] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... openat resumed>) = 3 [pid 5935] <... futex resumed>) = 1 [pid 5932] <... futex resumed>) = 0 [pid 5937] <... futex resumed>) = 1 [pid 5936] write(3, "1000", 4 [pid 5933] <... futex resumed>) = 0 [pid 5937] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5936] <... write resumed>) = 4 [pid 5933] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5936] close(3 [pid 5933] <... futex resumed>) = 0 [pid 5937] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5936] <... close resumed>) = 0 [pid 5933] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] <... prctl resumed>) = 0 [pid 5938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5937] <... ioctl resumed>) = 0 [pid 5936] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5932] exit_group(0 [pid 5939] setpgid(0, 0 [pid 5938] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5937] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... futex resumed>) = 0 [pid 5935] <... futex resumed>) = ? [pid 5932] <... exit_group resumed>) = ? [pid 5939] <... setpgid resumed>) = 0 [pid 5938] <... openat resumed>) = 3 [pid 5937] <... futex resumed>) = 1 [pid 5936] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5935] +++ exited with 0 +++ [pid 5933] <... futex resumed>) = 0 [pid 5939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5938] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5936] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5933] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] +++ exited with 0 +++ [pid 5939] <... openat resumed>) = 3 [pid 5938] <... futex resumed>) = 1 [pid 5937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5936] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5933] <... futex resumed>) = 0 [pid 5931] <... futex resumed>) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5932, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5939] write(3, "1000", 4 [pid 5938] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5937] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5936] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5933] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5931] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] <... write resumed>) = 4 [pid 5938] <... ioctl resumed>) = 0 [pid 5937] <... ioctl resumed>) = 0 [pid 5936] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5931] <... futex resumed>) = 0 [pid 5939] close(3 [pid 5938] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... mmap resumed>) = 0x7ff12c95c000 [pid 5931] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] <... close resumed>) = 0 [pid 5938] <... futex resumed>) = 0 [pid 5937] <... futex resumed>) = 1 [pid 5936] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5933] <... futex resumed>) = 0 [pid 5931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5939] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5936] <... mprotect resumed>) = 0 [pid 5933] exit_group(0 [pid 5931] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5937] <... futex resumed>) = ? [pid 5933] <... exit_group resumed>) = ? [pid 5931] <... futex resumed>) = 0 [pid 5939] <... futex resumed>) = 0 [pid 5938] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5936] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5939] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5938] <... ioctl resumed>) = 0 [pid 5931] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5938] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5939] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5938] <... futex resumed>) = 0 [pid 5939] <... mmap resumed>) = 0x7ff12c95c000 [pid 5938] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5939] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5939] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5937] +++ exited with 0 +++ [pid 5936] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5933] +++ exited with 0 +++ [pid 5931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5939] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5936] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5933, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5939] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5940 attached ./strace-static-x86_64: Process 5941 attached [pid 5931] exit_group(0./strace-static-x86_64: Process 5942 attached [pid 5941] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5940] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5939] <... clone3 resumed> => {parent_tid=[5941]}, 88) = 5941 [pid 5938] <... futex resumed>) = ? [pid 5936] <... clone3 resumed> => {parent_tid=[5940]}, 88) = 5940 [pid 5931] <... exit_group resumed>) = ? [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5942 [pid 5942] set_robust_list(0x555581d606a0, 24 [pid 5941] <... rseq resumed>) = 0 [pid 5940] <... rseq resumed>) = 0 [pid 5939] rt_sigprocmask(SIG_SETMASK, [], [pid 5938] +++ exited with 0 +++ [pid 5936] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5942] <... set_robust_list resumed>) = 0 [pid 5941] set_robust_list(0x7ff12c97c9a0, 24 [pid 5940] set_robust_list(0x7ff12c97c9a0, 24 [pid 5931] +++ exited with 0 +++ [pid 5941] <... set_robust_list resumed>) = 0 [pid 5940] <... set_robust_list resumed>) = 0 [pid 5941] rt_sigprocmask(SIG_SETMASK, [], [pid 5940] rt_sigprocmask(SIG_SETMASK, [], [pid 5941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5940] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5941] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5942] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5939] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5936] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5931, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5942] <... prctl resumed>) = 0 [pid 5939] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] setpgid(0, 0 [pid 5941] <... futex resumed>) = 0 [pid 5940] <... futex resumed>) = 0 [pid 5939] <... futex resumed>) = 1 [pid 5936] <... futex resumed>) = 1 [pid 5942] <... setpgid resumed>) = 0 [pid 5941] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5940] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5939] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5936] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5943 attached ./strace-static-x86_64: Process 5944 attached [pid 5942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5941] <... openat resumed>) = 3 [pid 5940] <... openat resumed>) = 3 [pid 5943] set_robust_list(0x555581d606a0, 24 [pid 5941] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] set_robust_list(0x555581d606a0, 24 [pid 5943] <... set_robust_list resumed>) = 0 [pid 5942] <... openat resumed>) = 3 [pid 5941] <... futex resumed>) = 1 [pid 5939] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5943 [pid 5940] <... futex resumed>) = 1 [pid 5936] <... futex resumed>) = 0 [pid 5944] <... set_robust_list resumed>) = 0 [pid 5943] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5942] write(3, "1000", 4 [pid 5941] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5940] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5939] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5944 [pid 5944] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5943] <... prctl resumed>) = 0 [pid 5942] <... write resumed>) = 4 [pid 5939] <... futex resumed>) = 0 [pid 5936] <... futex resumed>) = 0 [pid 5942] close(3 [pid 5939] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5936] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5942] <... close resumed>) = 0 [pid 5942] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5942] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5942] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5942] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5941] <... ioctl resumed>) = 0 [pid 5940] <... ioctl resumed>) = 0 [pid 5942] <... mmap resumed>) = 0x7ff12c95c000 [pid 5944] <... prctl resumed>) = 0 [pid 5943] setpgid(0, 0 [pid 5941] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] setpgid(0, 0 [pid 5943] <... setpgid resumed>) = 0 [pid 5942] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5941] <... futex resumed>) = 1 [pid 5940] <... futex resumed>) = 1 [pid 5939] <... futex resumed>) = 0 [pid 5936] <... futex resumed>) = 0 [pid 5944] <... setpgid resumed>) = 0 [pid 5943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5942] <... mprotect resumed>) = 0 [pid 5941] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5939] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5942] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5939] <... futex resumed>) = 0 [pid 5936] <... futex resumed>) = 0 [pid 5939] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5936] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5944] <... openat resumed>) = 3 [pid 5942] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5942] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5945 attached [pid 5944] write(3, "1000", 4 [pid 5943] <... openat resumed>) = 3 [pid 5941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5945] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5944] <... write resumed>) = 4 [pid 5943] write(3, "1000", 4 [pid 5942] <... clone3 resumed> => {parent_tid=[5945]}, 88) = 5945 [pid 5941] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5940] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5945] <... rseq resumed>) = 0 [pid 5944] close(3 [pid 5943] <... write resumed>) = 4 [pid 5942] rt_sigprocmask(SIG_SETMASK, [], [pid 5940] <... ioctl resumed>) = 0 [pid 5941] <... ioctl resumed>) = 0 [pid 5945] set_robust_list(0x7ff12c97c9a0, 24 [pid 5944] <... close resumed>) = 0 [pid 5943] close(3 [pid 5942] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5941] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] <... set_robust_list resumed>) = 0 [pid 5944] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] <... close resumed>) = 0 [pid 5942] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] <... futex resumed>) = 1 [pid 5940] <... futex resumed>) = 1 [pid 5939] <... futex resumed>) = 0 [pid 5936] <... futex resumed>) = 0 [pid 5945] rt_sigprocmask(SIG_SETMASK, [], [pid 5944] <... futex resumed>) = 0 [pid 5943] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... futex resumed>) = 0 [pid 5945] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5944] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5943] <... futex resumed>) = 0 [pid 5942] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5945] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5944] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5943] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5941] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5939] exit_group(0 [pid 5936] exit_group(0) = ? [pid 5941] <... futex resumed>) = ? [pid 5939] <... exit_group resumed>) = ? [pid 5945] <... openat resumed>) = 3 [pid 5944] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5943] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5945] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5943] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5945] <... futex resumed>) = 1 [pid 5944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5943] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5942] <... futex resumed>) = 0 [pid 5945] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5944] <... mmap resumed>) = 0x7ff12c95c000 [pid 5943] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5942] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] <... futex resumed>) = ? [pid 5945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5943] <... mmap resumed>) = 0x7ff12c95c000 [pid 5942] <... futex resumed>) = 0 [pid 5945] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5944] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5943] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5942] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5945] <... ioctl resumed>) = 0 [pid 5945] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] <... mprotect resumed>) = 0 [pid 5943] <... mprotect resumed>) = 0 [pid 5945] <... futex resumed>) = 1 [pid 5944] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5942] <... futex resumed>) = 0 [pid 5945] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5943] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5942] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] <... ioctl resumed>) = 0 [pid 5945] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... futex resumed>) = 0 [pid 5945] <... futex resumed>) = 0 [pid 5943] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5942] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5945] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5944] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5943] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5941] +++ exited with 0 +++ [pid 5939] +++ exited with 0 +++ [pid 5944] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5942] exit_group(0 [pid 5945] <... futex resumed>) = ? [pid 5942] <... exit_group resumed>) = ? [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5939, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5946 attached [pid 5945] +++ exited with 0 +++ [pid 5942] +++ exited with 0 +++ [pid 5940] +++ exited with 0 +++ [pid 5936] +++ exited with 0 +++ [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5944] <... clone3 resumed> => {parent_tid=[5947]}, 88) = 5947 ./strace-static-x86_64: Process 5947 attached [pid 5946] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5944] rt_sigprocmask(SIG_SETMASK, [], [pid 5943] <... clone3 resumed> => {parent_tid=[5946]}, 88) = 5946 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5942, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5947] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5946] <... rseq resumed>) = 0 [pid 5944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5943] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5936, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5947] <... rseq resumed>) = 0 [pid 5943] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5947] set_robust_list(0x7ff12c97c9a0, 24 [pid 5946] set_robust_list(0x7ff12c97c9a0, 24 [pid 5944] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... set_robust_list resumed>) = 0 [pid 5946] <... set_robust_list resumed>) = 0 [pid 5944] <... futex resumed>) = 0 [pid 5943] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5947] rt_sigprocmask(SIG_SETMASK, [], [pid 5943] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5948 attached [pid 5947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5946] rt_sigprocmask(SIG_SETMASK, [], [pid 5944] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5946] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5949 attached [pid 5948] set_robust_list(0x555581d606a0, 24 [pid 5947] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5946] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5949 [pid 5947] <... openat resumed>) = 3 [pid 5947] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5944] <... futex resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5949] set_robust_list(0x555581d606a0, 24 [pid 5948] <... set_robust_list resumed>) = 0 [pid 5947] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5946] <... openat resumed>) = 3 [pid 5944] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5948 [pid 5944] <... futex resumed>) = 0 [pid 5944] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5950 attached [pid 5948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5950 [pid 5946] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] <... set_robust_list resumed>) = 0 [pid 5950] set_robust_list(0x555581d606a0, 24 [pid 5948] <... prctl resumed>) = 0 [pid 5947] <... ioctl resumed>) = 0 [pid 5946] <... futex resumed>) = 1 [pid 5943] <... futex resumed>) = 0 [pid 5949] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5943] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5950] <... set_robust_list resumed>) = 0 [pid 5949] <... prctl resumed>) = 0 [pid 5948] setpgid(0, 0 [pid 5943] <... futex resumed>) = 0 [pid 5947] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5949] setpgid(0, 0 [pid 5948] <... setpgid resumed>) = 0 [pid 5946] <... ioctl resumed>) = 0 [pid 5943] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5950] <... prctl resumed>) = 0 [pid 5949] <... setpgid resumed>) = 0 [pid 5950] setpgid(0, 0 [pid 5949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5947] <... futex resumed>) = 1 [pid 5946] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] <... futex resumed>) = 0 [pid 5947] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5946] <... futex resumed>) = 1 [pid 5944] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] <... futex resumed>) = 0 [pid 5947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5946] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5944] <... futex resumed>) = 0 [pid 5943] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5944] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] <... futex resumed>) = 0 [pid 5947] <... ioctl resumed>) = 0 [pid 5946] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5943] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5950] <... setpgid resumed>) = 0 [pid 5949] <... openat resumed>) = 3 [pid 5948] <... openat resumed>) = 3 [pid 5947] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... ioctl resumed>) = 0 [pid 5950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5948] write(3, "1000", 4 [pid 5946] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] <... futex resumed>) = 0 [pid 5950] <... openat resumed>) = 3 [pid 5949] write(3, "1000", 4 [pid 5948] <... write resumed>) = 4 [pid 5947] <... futex resumed>) = 1 [pid 5944] exit_group(0 [pid 5950] write(3, "1000", 4 [pid 5949] <... write resumed>) = 4 [pid 5948] close(3 [pid 5950] <... write resumed>) = 4 [pid 5949] close(3 [pid 5948] <... close resumed>) = 0 [pid 5946] <... futex resumed>) = 1 [pid 5944] <... exit_group resumed>) = ? [pid 5943] <... futex resumed>) = 0 [pid 5950] close(3 [pid 5949] <... close resumed>) = 0 [pid 5948] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] +++ exited with 0 +++ [pid 5943] exit_group(0 [pid 5950] <... close resumed>) = 0 [pid 5949] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] <... futex resumed>) = 0 [pid 5950] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] <... futex resumed>) = 0 [pid 5948] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5950] <... futex resumed>) = 0 [pid 5949] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5948] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5950] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5949] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5948] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5950] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5949] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5948] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5950] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5949] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5948] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5950] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5949] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5948] <... mmap resumed>) = 0x7ff12c95c000 [pid 5944] +++ exited with 0 +++ [pid 5943] <... exit_group resumed>) = ? [pid 5950] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5949] <... mmap resumed>) = 0x7ff12c95c000 [pid 5946] +++ exited with 0 +++ [pid 5948] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5944, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5950] <... mmap resumed>) = 0x7ff12c95c000 [pid 5948] <... mprotect resumed>) = 0 [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5950] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5949] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5948] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] <... restart_syscall resumed>) = 0 [pid 5950] <... mprotect resumed>) = 0 [pid 5949] <... mprotect resumed>) = 0 [pid 5943] +++ exited with 0 +++ [pid 5950] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5949] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5948] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5950] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5948] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5943, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5949] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5950] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5072] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5951 attached ) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5951] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5950] <... clone3 resumed> => {parent_tid=[5951]}, 88) = 5951 ./strace-static-x86_64: Process 5953 attached ./strace-static-x86_64: Process 5952 attached [pid 5951] <... rseq resumed>) = 0 [pid 5950] rt_sigprocmask(SIG_SETMASK, [], [pid 5949] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5951] set_robust_list(0x7ff12c97c9a0, 24 [pid 5950] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5953] set_robust_list(0x555581d606a0, 24 [pid 5952] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5948] <... clone3 resumed> => {parent_tid=[5952]}, 88) = 5952 ./strace-static-x86_64: Process 5955 attached [pid 5952] <... rseq resumed>) = 0 [pid 5955] set_robust_list(0x555581d606a0, 24 [pid 5952] set_robust_list(0x7ff12c97c9a0, 24 [pid 5953] <... set_robust_list resumed>) = 0 [pid 5951] <... set_robust_list resumed>) = 0 [pid 5950] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5954 attached [pid 5955] <... set_robust_list resumed>) = 0 [pid 5952] <... set_robust_list resumed>) = 0 [pid 5951] rt_sigprocmask(SIG_SETMASK, [], [pid 5950] <... futex resumed>) = 0 [pid 5949] <... clone3 resumed> => {parent_tid=[5954]}, 88) = 5954 [pid 5953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5948] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5955 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5953 [pid 5955] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5954] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5952] rt_sigprocmask(SIG_SETMASK, [], [pid 5951] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5950] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5949] rt_sigprocmask(SIG_SETMASK, [], [pid 5955] <... prctl resumed>) = 0 [pid 5954] <... rseq resumed>) = 0 [pid 5953] <... prctl resumed>) = 0 [pid 5952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5951] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5949] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5948] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5955] setpgid(0, 0 [pid 5954] set_robust_list(0x7ff12c97c9a0, 24 [pid 5953] setpgid(0, 0 [pid 5952] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5951] <... openat resumed>) = 3 [pid 5949] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... set_robust_list resumed>) = 0 [pid 5955] <... setpgid resumed>) = 0 [pid 5954] rt_sigprocmask(SIG_SETMASK, [], [pid 5953] <... setpgid resumed>) = 0 [pid 5951] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] <... futex resumed>) = 0 [pid 5948] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5952] <... futex resumed>) = 0 [pid 5951] <... futex resumed>) = 1 [pid 5950] <... futex resumed>) = 0 [pid 5949] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5948] <... futex resumed>) = 1 [pid 5955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5954] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5952] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5951] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5950] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5954] <... openat resumed>) = 3 [pid 5952] <... openat resumed>) = 3 [pid 5951] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5950] <... futex resumed>) = 0 [pid 5954] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5950] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5954] <... futex resumed>) = 1 [pid 5951] <... ioctl resumed>) = 0 [pid 5949] <... futex resumed>) = 0 [pid 5954] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5951] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] <... futex resumed>) = 0 [pid 5954] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5951] <... futex resumed>) = 1 [pid 5950] <... futex resumed>) = 0 [pid 5949] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5954] <... ioctl resumed>) = 0 [pid 5951] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5950] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5950] <... futex resumed>) = 0 [pid 5954] <... futex resumed>) = 1 [pid 5951] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5950] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5949] <... futex resumed>) = 0 [pid 5955] <... openat resumed>) = 3 [pid 5954] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5951] <... ioctl resumed>) = 0 [pid 5949] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... openat resumed>) = 3 [pid 5955] write(3, "1000", 4 [pid 5954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5953] write(3, "1000", 4 [pid 5952] <... futex resumed>) = 1 [pid 5951] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] <... futex resumed>) = 0 [pid 5948] <... futex resumed>) = 0 [pid 5955] <... write resumed>) = 4 [pid 5954] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5953] <... write resumed>) = 4 [pid 5952] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5951] <... futex resumed>) = 1 [pid 5950] <... futex resumed>) = 0 [pid 5949] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5948] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] close(3 [pid 5954] <... ioctl resumed>) = 0 [pid 5953] close(3 [pid 5952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5951] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5950] exit_group(0 [pid 5948] <... futex resumed>) = 0 [pid 5955] <... close resumed>) = 0 [pid 5954] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... close resumed>) = 0 [pid 5952] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5951] <... futex resumed>) = ? [pid 5950] <... exit_group resumed>) = ? [pid 5955] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... futex resumed>) = 1 [pid 5953] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... ioctl resumed>) = 0 [pid 5949] <... futex resumed>) = 0 [pid 5948] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] <... futex resumed>) = 0 [pid 5954] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5953] <... futex resumed>) = 0 [pid 5952] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] exit_group(0 [pid 5948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5955] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5954] <... futex resumed>) = ? [pid 5953] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5952] <... futex resumed>) = 0 [pid 5949] <... exit_group resumed>) = ? [pid 5948] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5954] +++ exited with 0 +++ [pid 5953] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5952] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5948] <... futex resumed>) = 0 [pid 5955] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5953] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5952] <... ioctl resumed>) = 0 [pid 5948] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5952] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5953] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5952] <... futex resumed>) = 0 [pid 5948] exit_group(0 [pid 5955] <... mmap resumed>) = 0x7ff12c95c000 [pid 5953] <... mmap resumed>) = 0x7ff12c95c000 [pid 5951] +++ exited with 0 +++ [pid 5950] +++ exited with 0 +++ [pid 5949] +++ exited with 0 +++ [pid 5948] <... exit_group resumed>) = ? [pid 5955] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5953] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5952] +++ exited with 0 +++ [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5950, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5955] <... mprotect resumed>) = 0 [pid 5953] <... mprotect resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5949, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5953] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5955] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5953] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5948] +++ exited with 0 +++ [pid 5068] <... restart_syscall resumed>) = 0 [pid 5953] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5955] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5956 attached [pid 5955] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5948, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... restart_syscall resumed>) = 0 [pid 5956] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 5957 attached [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5959 attached ./strace-static-x86_64: Process 5958 attached [pid 5957] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5956] <... rseq resumed>) = 0 [pid 5955] <... clone3 resumed> => {parent_tid=[5957]}, 88) = 5957 [pid 5953] <... clone3 resumed> => {parent_tid=[5956]}, 88) = 5956 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5958 ./strace-static-x86_64: Process 5960 attached [pid 5959] set_robust_list(0x555581d606a0, 24 [pid 5958] set_robust_list(0x555581d606a0, 24 [pid 5957] <... rseq resumed>) = 0 [pid 5956] set_robust_list(0x7ff12c97c9a0, 24 [pid 5955] rt_sigprocmask(SIG_SETMASK, [], [pid 5953] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5959] <... set_robust_list resumed>) = 0 [pid 5956] <... set_robust_list resumed>) = 0 [pid 5955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5953] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] set_robust_list(0x555581d606a0, 24 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5960 [pid 5960] <... set_robust_list resumed>) = 0 [pid 5959] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5955] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] rt_sigprocmask(SIG_SETMASK, [], [pid 5953] <... futex resumed>) = 0 [pid 5960] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5960] setpgid(0, 0 [pid 5953] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5958] <... set_robust_list resumed>) = 0 [pid 5957] set_robust_list(0x7ff12c97c9a0, 24 [pid 5955] <... futex resumed>) = 0 [pid 5956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5959] <... prctl resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5959 [pid 5960] <... setpgid resumed>) = 0 [pid 5960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5959] setpgid(0, 0 [pid 5957] <... set_robust_list resumed>) = 0 [pid 5956] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5955] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5960] <... openat resumed>) = 3 [pid 5959] <... setpgid resumed>) = 0 [pid 5958] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5958] setpgid(0, 0) = 0 [pid 5960] write(3, "1000", 4 [pid 5957] rt_sigprocmask(SIG_SETMASK, [], [pid 5958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5957] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5960] <... write resumed>) = 4 [pid 5959] <... openat resumed>) = 3 [pid 5957] <... openat resumed>) = 3 [pid 5956] <... openat resumed>) = 3 [pid 5960] close(3 [pid 5957] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... close resumed>) = 0 [pid 5959] write(3, "1000", 4 [pid 5958] <... openat resumed>) = 3 [pid 5957] <... futex resumed>) = 1 [pid 5956] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... futex resumed>) = 0 [pid 5960] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... futex resumed>) = 0 [pid 5956] <... futex resumed>) = 1 [pid 5960] <... futex resumed>) = 0 [pid 5959] <... write resumed>) = 4 [pid 5958] write(3, "1000", 4 [pid 5957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5956] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5955] <... futex resumed>) = 0 [pid 5953] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5959] close(3 [pid 5957] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5955] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5960] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5957] <... ioctl resumed>) = 0 [pid 5953] <... futex resumed>) = 0 [pid 5960] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5957] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5959] <... close resumed>) = 0 [pid 5957] <... futex resumed>) = 1 [pid 5956] <... ioctl resumed>) = 0 [pid 5955] <... futex resumed>) = 0 [pid 5953] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5960] <... mmap resumed>) = 0x7ff12c95c000 [pid 5959] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5958] <... write resumed>) = 4 [pid 5956] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5960] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5959] <... futex resumed>) = 0 [pid 5958] close(3 [pid 5957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5956] <... futex resumed>) = 0 [pid 5955] <... futex resumed>) = 0 [pid 5960] <... mprotect resumed>) = 0 [pid 5959] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5958] <... close resumed>) = 0 [pid 5957] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5956] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5955] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5953] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5959] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5958] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] <... ioctl resumed>) = 0 [pid 5953] <... futex resumed>) = 0 [pid 5956] <... ioctl resumed>) = 0 [pid 5959] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5958] <... futex resumed>) = 0 [pid 5953] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5958] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5956] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5960] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5959] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5958] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5957] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] <... futex resumed>) = 0 [pid 5960] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5959] <... mmap resumed>) = 0x7ff12c95c000 [pid 5958] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5957] <... futex resumed>) = 1 [pid 5956] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] <... futex resumed>) = 0 [pid 5953] exit_group(0./strace-static-x86_64: Process 5961 attached [pid 5959] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5958] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5957] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5956] <... futex resumed>) = ? [pid 5955] exit_group(0 [pid 5953] <... exit_group resumed>) = ? [pid 5961] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5958] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5956] +++ exited with 0 +++ [pid 5960] <... clone3 resumed> => {parent_tid=[5961]}, 88) = 5961 [pid 5958] <... mmap resumed>) = 0x7ff12c95c000 [pid 5957] <... futex resumed>) = ? [pid 5955] <... exit_group resumed>) = ? [pid 5961] <... rseq resumed>) = 0 [pid 5960] rt_sigprocmask(SIG_SETMASK, [], [pid 5959] <... mprotect resumed>) = 0 [pid 5958] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5957] +++ exited with 0 +++ [pid 5955] +++ exited with 0 +++ [pid 5953] +++ exited with 0 +++ [pid 5961] set_robust_list(0x7ff12c97c9a0, 24 [pid 5960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5955, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5953, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5960] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5960] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5961] <... set_robust_list resumed>) = 0 [pid 5959] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5958] <... mprotect resumed>) = 0 [pid 5961] rt_sigprocmask(SIG_SETMASK, [], [pid 5959] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5958] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5961] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5959] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5958] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5964 attached ./strace-static-x86_64: Process 5963 attached ./strace-static-x86_64: Process 5962 attached [pid 5961] <... openat resumed>) = 3 [pid 5958] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5965 attached [pid 5964] set_robust_list(0x555581d606a0, 24 [pid 5962] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5959] <... clone3 resumed> => {parent_tid=[5962]}, 88) = 5962 [pid 5965] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5959] rt_sigprocmask(SIG_SETMASK, [], [pid 5958] <... clone3 resumed> => {parent_tid=[5965]}, 88) = 5965 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5964 [pid 5965] <... rseq resumed>) = 0 [pid 5959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5958] rt_sigprocmask(SIG_SETMASK, [], [pid 5965] set_robust_list(0x7ff12c97c9a0, 24 [pid 5959] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5965] <... set_robust_list resumed>) = 0 [pid 5959] <... futex resumed>) = 0 [pid 5958] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] rt_sigprocmask(SIG_SETMASK, [], [pid 5959] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5958] <... futex resumed>) = 0 [pid 5965] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5958] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5965] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3 [pid 5965] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... set_robust_list resumed>) = 0 [pid 5963] set_robust_list(0x555581d606a0, 24 [pid 5962] <... rseq resumed>) = 0 [pid 5961] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5963 [pid 5962] set_robust_list(0x7ff12c97c9a0, 24 [pid 5961] <... futex resumed>) = 1 [pid 5962] <... set_robust_list resumed>) = 0 [pid 5961] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5962] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5965] <... futex resumed>) = 1 [pid 5964] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5963] <... set_robust_list resumed>) = 0 [pid 5962] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5960] <... futex resumed>) = 0 [pid 5958] <... futex resumed>) = 0 [pid 5965] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5964] <... prctl resumed>) = 0 [pid 5958] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5960] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] <... futex resumed>) = 0 [pid 5965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5964] setpgid(0, 0 [pid 5962] <... openat resumed>) = 3 [pid 5961] <... futex resumed>) = 0 [pid 5963] <... prctl resumed>) = 0 [pid 5960] <... futex resumed>) = 1 [pid 5958] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5965] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5964] <... setpgid resumed>) = 0 [pid 5963] setpgid(0, 0 [pid 5962] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5960] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5965] <... ioctl resumed>) = 0 [pid 5964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5963] <... setpgid resumed>) = 0 [pid 5962] <... futex resumed>) = 1 [pid 5961] <... ioctl resumed>) = 0 [pid 5959] <... futex resumed>) = 0 [pid 5965] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... openat resumed>) = 3 [pid 5963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5961] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] <... futex resumed>) = 1 [pid 5964] write(3, "1000", 4 [pid 5962] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] <... futex resumed>) = 0 [pid 5961] <... futex resumed>) = 1 [pid 5965] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5964] <... write resumed>) = 4 [pid 5963] <... openat resumed>) = 3 [pid 5962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5960] <... futex resumed>) = 0 [pid 5959] <... futex resumed>) = 0 [pid 5958] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5964] close(3 [pid 5963] write(3, "1000", 4 [pid 5962] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5961] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5958] <... futex resumed>) = 0 [pid 5965] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5964] <... close resumed>) = 0 [pid 5963] <... write resumed>) = 4 [pid 5962] <... ioctl resumed>) = 0 [pid 5961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5960] <... futex resumed>) = 0 [pid 5958] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5965] <... ioctl resumed>) = 0 [pid 5964] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] close(3 [pid 5962] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5960] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5965] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... futex resumed>) = 0 [pid 5963] <... close resumed>) = 0 [pid 5962] <... futex resumed>) = 1 [pid 5961] <... ioctl resumed>) = 0 [pid 5959] <... futex resumed>) = 0 [pid 5965] <... futex resumed>) = 1 [pid 5964] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5962] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] <... futex resumed>) = 0 [pid 5963] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5964] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5961] <... futex resumed>) = 1 [pid 5960] <... futex resumed>) = 0 [pid 5959] <... futex resumed>) = 0 [pid 5964] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5963] <... futex resumed>) = 0 [pid 5962] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5961] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] exit_group(0 [pid 5958] exit_group(0 [pid 5959] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5965] <... futex resumed>) = ? [pid 5964] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5963] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5962] <... ioctl resumed>) = 0 [pid 5961] <... futex resumed>) = ? [pid 5960] <... exit_group resumed>) = ? [pid 5958] <... exit_group resumed>) = ? [pid 5965] +++ exited with 0 +++ [pid 5964] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5963] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5961] +++ exited with 0 +++ [pid 5962] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... mmap resumed>) = 0x7ff12c95c000 [pid 5964] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5964] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5960] +++ exited with 0 +++ [pid 5964] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5963] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5962] <... futex resumed>) = 1 [pid 5959] <... futex resumed>) = 0 [pid 5964] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5963] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5962] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5960, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5966 attached [pid 5963] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5959] exit_group(0 [pid 5958] +++ exited with 0 +++ [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5966] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5964] <... clone3 resumed> => {parent_tid=[5966]}, 88) = 5966 [pid 5963] <... mmap resumed>) = 0x7ff12c95c000 [pid 5962] <... futex resumed>) = ? [pid 5959] <... exit_group resumed>) = ? [pid 5070] <... restart_syscall resumed>) = 0 [pid 5966] <... rseq resumed>) = 0 [pid 5964] rt_sigprocmask(SIG_SETMASK, [], [pid 5962] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5958, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5966] set_robust_list(0x7ff12c97c9a0, 24 [pid 5964] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5966] <... set_robust_list resumed>) = 0 [pid 5964] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5966] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5967 attached [pid 5964] <... futex resumed>) = 0 [pid 5964] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5963] <... mprotect resumed>) = 0 [pid 5967] set_robust_list(0x555581d606a0, 24 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5966] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5966] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3 [pid 5966] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... futex resumed>) = 0 [pid 5964] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5964] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5966] <... futex resumed>) = 1 [pid 5966] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5967] <... set_robust_list resumed>) = 0 [pid 5966] <... ioctl resumed>) = 0 [pid 5959] +++ exited with 0 +++ [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5967 [pid 5966] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5959, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5966] <... futex resumed>) = 1 [pid 5964] <... futex resumed>) = 0 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5966] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5964] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5968 attached [pid 5966] <... ioctl resumed>) = 0 [pid 5964] <... futex resumed>) = 0 [pid 5967] <... prctl resumed>) = 0 [pid 5963] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5968 [pid 5968] set_robust_list(0x555581d606a0, 24 [pid 5967] setpgid(0, 0 [pid 5966] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5963] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5968] <... set_robust_list resumed>) = 0 [pid 5967] <... setpgid resumed>) = 0 [pid 5966] <... futex resumed>) = 0 [pid 5964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5969 attached [pid 5968] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5966] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5964] exit_group(0 [pid 5963] <... clone3 resumed> => {parent_tid=[5969]}, 88) = 5969 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5969] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5968] <... prctl resumed>) = 0 [pid 5967] <... openat resumed>) = 3 [pid 5966] <... futex resumed>) = ? [pid 5964] <... exit_group resumed>) = ? [pid 5963] rt_sigprocmask(SIG_SETMASK, [], [pid 5969] <... rseq resumed>) = 0 [pid 5967] write(3, "1000", 4 [pid 5963] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5968] setpgid(0, 0 [pid 5969] set_robust_list(0x7ff12c97c9a0, 24 [pid 5967] <... write resumed>) = 4 [pid 5963] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... setpgid resumed>) = 0 [pid 5969] <... set_robust_list resumed>) = 0 [pid 5967] close(3 [pid 5963] <... futex resumed>) = 0 [pid 5967] <... close resumed>) = 0 [pid 5963] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5967] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5967] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5969] rt_sigprocmask(SIG_SETMASK, [], [pid 5967] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5969] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5967] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5970 attached [pid 5969] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5970 [pid 5970] set_robust_list(0x555581d606a0, 24 [pid 5969] <... openat resumed>) = 3 [pid 5967] <... mmap resumed>) = 0x7ff12c95c000 [pid 5970] <... set_robust_list resumed>) = 0 [pid 5969] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... openat resumed>) = 3 [pid 5970] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5969] <... futex resumed>) = 1 [pid 5968] write(3, "1000", 4 [pid 5967] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5966] +++ exited with 0 +++ [pid 5964] +++ exited with 0 +++ [pid 5963] <... futex resumed>) = 0 [pid 5970] <... prctl resumed>) = 0 [pid 5969] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] <... write resumed>) = 4 [pid 5967] <... mprotect resumed>) = 0 [pid 5963] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5964, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5970] setpgid(0, 0 [pid 5969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5968] close(3 [pid 5967] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5963] <... futex resumed>) = 0 [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5970] <... setpgid resumed>) = 0 [pid 5969] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5968] <... close resumed>) = 0 [pid 5963] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5969] <... ioctl resumed>) = 0 [pid 5967] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] <... restart_syscall resumed>) = 0 [pid 5969] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5971 attached [pid 5970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5969] <... futex resumed>) = 1 [pid 5968] <... futex resumed>) = 0 [pid 5963] <... futex resumed>) = 0 [pid 5971] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5969] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5963] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] <... rseq resumed>) = 0 [pid 5969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5968] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5967] <... clone3 resumed> => {parent_tid=[5971]}, 88) = 5971 [pid 5963] <... futex resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5971] set_robust_list(0x7ff12c97c9a0, 24 [pid 5970] <... openat resumed>) = 3 [pid 5969] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5968] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5967] rt_sigprocmask(SIG_SETMASK, [], [pid 5963] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5967] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5967] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] <... set_robust_list resumed>) = 0 [pid 5970] write(3, "1000", 4 [pid 5969] <... ioctl resumed>) = 0 [pid 5968] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5967] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5972 attached [pid 5971] rt_sigprocmask(SIG_SETMASK, [], [pid 5970] <... write resumed>) = 4 [pid 5969] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5971] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5970] close(3 [pid 5969] <... futex resumed>) = 1 [pid 5968] <... mmap resumed>) = 0x7ff12c95c000 [pid 5972] set_robust_list(0x555581d606a0, 24 [pid 5967] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5963] <... futex resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5972 [pid 5970] <... close resumed>) = 0 [pid 5969] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5971] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5968] <... mprotect resumed>) = 0 [pid 5971] <... openat resumed>) = 3 [pid 5970] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] <... set_robust_list resumed>) = 0 [pid 5970] <... futex resumed>) = 0 [pid 5963] exit_group(0 [pid 5971] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5970] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5969] <... futex resumed>) = ? [pid 5968] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5963] <... exit_group resumed>) = ? [pid 5972] <... prctl resumed>) = 0 [pid 5971] <... futex resumed>) = 1 [pid 5970] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5969] +++ exited with 0 +++ [pid 5968] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5967] <... futex resumed>) = 0 [pid 5972] setpgid(0, 0 [pid 5971] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5970] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5968] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5967] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] +++ exited with 0 +++ ./strace-static-x86_64: Process 5973 attached [pid 5972] <... setpgid resumed>) = 0 [pid 5971] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5970] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5967] <... futex resumed>) = 0 [pid 5973] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5971] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5970] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5968] <... clone3 resumed> => {parent_tid=[5973]}, 88) = 5973 [pid 5967] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5963, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5973] <... rseq resumed>) = 0 [pid 5972] <... openat resumed>) = 3 [pid 5971] <... ioctl resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5970] <... mmap resumed>) = 0x7ff12c95c000 [pid 5968] rt_sigprocmask(SIG_SETMASK, [], [pid 5973] set_robust_list(0x7ff12c97c9a0, 24 [pid 5972] write(3, "1000", 4 [pid 5971] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... set_robust_list resumed>) = 0 [pid 5970] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5968] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5973] rt_sigprocmask(SIG_SETMASK, [], [pid 5972] <... write resumed>) = 4 [pid 5971] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5974 attached [pid 5973] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5972] close(3 [pid 5971] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5970] <... mprotect resumed>) = 0 [pid 5968] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] <... futex resumed>) = 0 [pid 5972] <... close resumed>) = 0 [pid 5974] set_robust_list(0x555581d606a0, 24 [pid 5973] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5972] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5968] <... futex resumed>) = 0 [pid 5967] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5974 [pid 5974] <... set_robust_list resumed>) = 0 [pid 5971] <... futex resumed>) = 0 [pid 5967] <... futex resumed>) = 1 [pid 5974] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5971] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5967] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5972] <... futex resumed>) = 0 [pid 5968] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5974] <... prctl resumed>) = 0 [pid 5972] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5973] <... openat resumed>) = 3 [pid 5971] <... ioctl resumed>) = 0 [pid 5970] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5974] setpgid(0, 0 [pid 5972] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5971] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5973] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... setpgid resumed>) = 0 [pid 5972] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5971] <... futex resumed>) = 1 [pid 5967] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5975 attached [pid 5974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5973] <... futex resumed>) = 1 [pid 5972] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5971] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] <... futex resumed>) = 0 [pid 5967] exit_group(0 [pid 5975] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5973] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5970] <... clone3 resumed> => {parent_tid=[5975]}, 88) = 5975 [pid 5968] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5975] <... rseq resumed>) = 0 [pid 5974] <... openat resumed>) = 3 [pid 5973] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5972] <... mmap resumed>) = 0x7ff12c95c000 [pid 5971] <... futex resumed>) = ? [pid 5970] rt_sigprocmask(SIG_SETMASK, [], [pid 5968] <... futex resumed>) = 0 [pid 5967] <... exit_group resumed>) = ? [pid 5975] set_robust_list(0x7ff12c97c9a0, 24 [pid 5974] write(3, "1000", 4 [pid 5973] <... ioctl resumed>) = 0 [pid 5972] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5971] +++ exited with 0 +++ [pid 5970] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5968] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5967] +++ exited with 0 +++ [pid 5975] <... set_robust_list resumed>) = 0 [pid 5974] <... write resumed>) = 4 [pid 5975] rt_sigprocmask(SIG_SETMASK, [], [pid 5974] close(3 [pid 5970] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5967, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5975] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5974] <... close resumed>) = 0 [pid 5972] <... mprotect resumed>) = 0 [pid 5970] <... futex resumed>) = 0 [pid 5975] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5974] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5973] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5972] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5973] <... futex resumed>) = 1 [pid 5968] <... futex resumed>) = 0 [pid 5973] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5968] <... futex resumed>) = 0 [pid 5973] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5972] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5968] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5975] <... openat resumed>) = 3 [pid 5974] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5973] <... ioctl resumed>) = 0 [pid 5972] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5975] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5973] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5976 attached [pid 5975] <... futex resumed>) = 1 [pid 5974] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5970] <... futex resumed>) = 0 [pid 5968] <... futex resumed>) = 0 [pid 5976] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5975] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5974] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5970] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... rseq resumed>) = 0 [pid 5975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5974] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5970] <... futex resumed>) = 0 [pid 5976] set_robust_list(0x7ff12c97c9a0, 24 [pid 5975] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5974] <... mmap resumed>) = 0x7ff12c95c000 [pid 5973] <... futex resumed>) = 1 [pid 5972] <... clone3 resumed> => {parent_tid=[5976]}, 88) = 5976 [pid 5970] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] exit_group(0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5976] <... set_robust_list resumed>) = 0 [pid 5975] <... ioctl resumed>) = 0 [pid 5974] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5972] rt_sigprocmask(SIG_SETMASK, [], [pid 5968] <... exit_group resumed>) = ? [pid 5976] rt_sigprocmask(SIG_SETMASK, [], [pid 5975] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... mprotect resumed>) = 0 [pid 5973] +++ exited with 0 +++ [pid 5976] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5975] <... futex resumed>) = 1 [pid 5974] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5970] <... futex resumed>) = 0 [pid 5976] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5975] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5970] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5970] <... futex resumed>) = 0 [pid 5975] <... ioctl resumed>) = 0 [pid 5974] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5970] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5975] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5970] <... futex resumed>) = 0 [pid 5975] <... futex resumed>) = 1 [pid 5970] exit_group(0 [pid 5968] +++ exited with 0 +++ [pid 5972] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5970] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5977 attached [pid 5975] +++ exited with 0 +++ [pid 5974] <... clone3 resumed> => {parent_tid=[5977]}, 88) = 5977 [pid 5972] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] +++ exited with 0 +++ ./strace-static-x86_64: Process 5978 attached [pid 5977] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5976] <... futex resumed>) = 0 [pid 5974] rt_sigprocmask(SIG_SETMASK, [], [pid 5972] <... futex resumed>) = 1 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5968, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5978 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5970, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5978] set_robust_list(0x555581d606a0, 24 [pid 5977] <... rseq resumed>) = 0 [pid 5976] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5974] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5972] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5977] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5977] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5977] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5978] <... set_robust_list resumed>) = 0 [pid 5976] <... openat resumed>) = 3 [pid 5974] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5976] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... futex resumed>) = 1 [pid 5978] <... prctl resumed>) = 0 [pid 5976] <... futex resumed>) = 1 [pid 5974] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] setpgid(0, 0 [pid 5976] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5978] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5979 attached [pid 5977] <... futex resumed>) = 0 [pid 5972] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5979 [pid 5979] set_robust_list(0x555581d606a0, 24 [pid 5978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5977] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5972] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] <... set_robust_list resumed>) = 0 [pid 5976] <... futex resumed>) = 0 [pid 5972] <... futex resumed>) = 1 [pid 5976] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5972] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5979] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5976] <... ioctl resumed>) = 0 [pid 5977] <... openat resumed>) = 3 [pid 5978] <... openat resumed>) = 3 [pid 5976] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] <... prctl resumed>) = 0 [pid 5977] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5977] <... futex resumed>) = 1 [pid 5974] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5980 attached [pid 5977] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5974] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] setpgid(0, 0 [pid 5976] <... futex resumed>) = 1 [pid 5977] <... ioctl resumed>) = 0 [pid 5974] <... futex resumed>) = 0 [pid 5980] set_robust_list(0x555581d606a0, 24 [pid 5974] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5980] <... set_robust_list resumed>) = 0 [pid 5972] <... futex resumed>) = 0 [pid 5980] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5979] <... setpgid resumed>) = 0 [pid 5977] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5978] write(3, "1000", 4 [pid 5977] <... futex resumed>) = 1 [pid 5974] <... futex resumed>) = 0 [pid 5979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5972] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] <... write resumed>) = 4 [pid 5977] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5974] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] <... prctl resumed>) = 0 [pid 5980] setpgid(0, 0 [pid 5978] close(3 [pid 5977] <... ioctl resumed>) = 0 [pid 5976] <... futex resumed>) = 0 [pid 5974] <... futex resumed>) = 0 [pid 5972] <... futex resumed>) = 1 [pid 5980] <... setpgid resumed>) = 0 [pid 5978] <... close resumed>) = 0 [pid 5977] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5974] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5972] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5980 [pid 5980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5977] <... futex resumed>) = 0 [pid 5978] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... ioctl resumed>) = 0 [pid 5974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5979] <... openat resumed>) = 3 [pid 5978] <... futex resumed>) = 0 [pid 5977] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5976] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] exit_group(0 [pid 5980] <... openat resumed>) = 3 [pid 5979] write(3, "1000", 4 [pid 5978] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5977] <... futex resumed>) = ? [pid 5976] <... futex resumed>) = 1 [pid 5974] <... exit_group resumed>) = ? [pid 5972] <... futex resumed>) = 0 [pid 5980] write(3, "1000", 4 [pid 5979] <... write resumed>) = 4 [pid 5978] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5977] +++ exited with 0 +++ [pid 5974] +++ exited with 0 +++ [pid 5972] exit_group(0 [pid 5980] <... write resumed>) = 4 [pid 5979] close(3 [pid 5978] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5972] <... exit_group resumed>) = ? [pid 5980] close(3 [pid 5979] <... close resumed>) = 0 [pid 5978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5976] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5974, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5979] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5979] <... futex resumed>) = 0 [pid 5979] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5979] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5979] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5981 attached [pid 5980] <... close resumed>) = 0 [pid 5979] <... mmap resumed>) = 0x7ff12c95c000 [pid 5978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5972] +++ exited with 0 +++ [pid 5981] set_robust_list(0x555581d606a0, 24 [pid 5980] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5978] <... mmap resumed>) = 0x7ff12c95c000 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5972, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5979] <... mprotect resumed>) = 0 [pid 5981] <... set_robust_list resumed>) = 0 [pid 5980] <... futex resumed>) = 0 [pid 5978] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5980] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5065] <... restart_syscall resumed>) = 0 [pid 5979] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5981 [pid 5979] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5979] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5978] <... mprotect resumed>) = 0 [pid 5981] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5980] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5982 attached [pid 5979] <... clone3 resumed> => {parent_tid=[5982]}, 88) = 5982 [pid 5982] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5980] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5979] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5979] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5979] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5981] <... prctl resumed>) = 0 [pid 5982] <... rseq resumed>) = 0 [pid 5980] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5978] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5978] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5983 attached [pid 5983] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 5978] <... clone3 resumed> => {parent_tid=[5983]}, 88) = 5983 [pid 5983] set_robust_list(0x7ff12c97c9a0, 24 [pid 5978] rt_sigprocmask(SIG_SETMASK, [], [pid 5983] <... set_robust_list resumed>) = 0 [pid 5978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5983] rt_sigprocmask(SIG_SETMASK, [], [pid 5978] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5978] <... futex resumed>) = 0 [pid 5983] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5978] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5983] <... openat resumed>) = 3 [pid 5983] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5984 attached [pid 5982] set_robust_list(0x7ff12c97c9a0, 24 [pid 5981] setpgid(0, 0 [pid 5980] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5984] set_robust_list(0x555581d606a0, 24 [pid 5983] <... futex resumed>) = 1 [pid 5982] <... set_robust_list resumed>) = 0 [pid 5981] <... setpgid resumed>) = 0 [pid 5980] <... mmap resumed>) = 0x7ff12c95c000 [pid 5978] <... futex resumed>) = 0 [pid 5982] rt_sigprocmask(SIG_SETMASK, [], [pid 5980] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5984 [pid 5982] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5984] <... set_robust_list resumed>) = 0 [pid 5983] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5980] <... mprotect resumed>) = 0 [pid 5978] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5982] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5984] <... prctl resumed>) = 0 [pid 5983] <... ioctl resumed>) = 0 [pid 5982] <... openat resumed>) = 3 [pid 5981] <... openat resumed>) = 3 [pid 5980] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5978] <... futex resumed>) = 0 [pid 5982] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5982] <... futex resumed>) = 1 [pid 5980] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5979] <... futex resumed>) = 0 [pid 5982] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5979] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5985 attached [pid 5984] setpgid(0, 0 [pid 5983] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5981] write(3, "1000", 4 [pid 5979] <... futex resumed>) = 0 [pid 5978] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5985] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5984] <... setpgid resumed>) = 0 [pid 5983] <... futex resumed>) = 0 [pid 5982] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5981] <... write resumed>) = 4 [pid 5980] <... clone3 resumed> => {parent_tid=[5985]}, 88) = 5985 [pid 5979] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5985] <... rseq resumed>) = 0 [pid 5984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5983] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] <... ioctl resumed>) = 0 [pid 5981] close(3 [pid 5980] rt_sigprocmask(SIG_SETMASK, [], [pid 5978] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] set_robust_list(0x7ff12c97c9a0, 24 [pid 5984] <... openat resumed>) = 3 [pid 5983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5982] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] <... close resumed>) = 0 [pid 5980] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5978] <... futex resumed>) = 0 [pid 5985] <... set_robust_list resumed>) = 0 [pid 5983] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5982] <... futex resumed>) = 1 [pid 5981] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] <... futex resumed>) = 0 [pid 5978] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5985] rt_sigprocmask(SIG_SETMASK, [], [pid 5984] write(3, "1000", 4 [pid 5983] <... ioctl resumed>) = 0 [pid 5982] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5981] <... futex resumed>) = 0 [pid 5980] <... futex resumed>) = 0 [pid 5979] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5984] <... write resumed>) = 4 [pid 5983] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5981] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5980] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5979] <... futex resumed>) = 0 [pid 5985] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5984] close(3 [pid 5983] <... futex resumed>) = 1 [pid 5982] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5981] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5978] <... futex resumed>) = 0 [pid 5985] <... openat resumed>) = 3 [pid 5984] <... close resumed>) = 0 [pid 5983] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] <... ioctl resumed>) = 0 [pid 5981] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5979] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] exit_group(0 [pid 5985] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] <... futex resumed>) = ? [pid 5982] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5978] <... exit_group resumed>) = ? [pid 5985] <... futex resumed>) = 1 [pid 5984] <... futex resumed>) = 0 [pid 5983] +++ exited with 0 +++ [pid 5982] <... futex resumed>) = 1 [pid 5981] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5980] <... futex resumed>) = 0 [pid 5979] <... futex resumed>) = 0 [pid 5985] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5984] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5982] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5981] <... mmap resumed>) = 0x7ff12c95c000 [pid 5980] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] exit_group(0 [pid 5978] +++ exited with 0 +++ [pid 5985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5984] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5982] <... futex resumed>) = ? [pid 5981] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5980] <... futex resumed>) = 0 [pid 5979] <... exit_group resumed>) = ? [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5978, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5985] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5984] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5982] +++ exited with 0 +++ [pid 5981] <... mprotect resumed>) = 0 [pid 5980] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5984] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5981] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5979] +++ exited with 0 +++ [pid 5068] <... restart_syscall resumed>) = 0 [pid 5985] <... ioctl resumed>) = 0 [pid 5984] <... mmap resumed>) = 0x7ff12c95c000 [pid 5985] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5985] <... futex resumed>) = 1 [pid 5984] <... mprotect resumed>) = 0 [pid 5981] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5980] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5979, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5985] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5980] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5980] <... futex resumed>) = 0 [pid 5984] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5981] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5986 attached ./strace-static-x86_64: Process 5988 attached [pid 5985] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5980] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5986] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5985] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5987 attached [pid 5988] set_robust_list(0x555581d606a0, 24 [pid 5986] <... rseq resumed>) = 0 [pid 5985] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5981] <... clone3 resumed> => {parent_tid=[5986]}, 88) = 5986 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5987 [pid 5988] <... set_robust_list resumed>) = 0 [pid 5987] set_robust_list(0x555581d606a0, 24 [pid 5986] set_robust_list(0x7ff12c97c9a0, 24 [pid 5985] <... futex resumed>) = 1 [pid 5984] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5981] rt_sigprocmask(SIG_SETMASK, [], [pid 5980] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5989 attached [pid 5988] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5987] <... set_robust_list resumed>) = 0 [pid 5986] <... set_robust_list resumed>) = 0 [pid 5985] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5981] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5988 [pid 5989] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5988] <... prctl resumed>) = 0 [pid 5987] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5986] rt_sigprocmask(SIG_SETMASK, [], [pid 5984] <... clone3 resumed> => {parent_tid=[5989]}, 88) = 5989 [pid 5981] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] exit_group(0 [pid 5989] <... rseq resumed>) = 0 [pid 5988] setpgid(0, 0 [pid 5987] <... prctl resumed>) = 0 [pid 5986] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5985] <... futex resumed>) = ? [pid 5984] rt_sigprocmask(SIG_SETMASK, [], [pid 5981] <... futex resumed>) = 0 [pid 5980] <... exit_group resumed>) = ? [pid 5989] set_robust_list(0x7ff12c97c9a0, 24 [pid 5988] <... setpgid resumed>) = 0 [pid 5987] setpgid(0, 0 [pid 5986] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5985] +++ exited with 0 +++ [pid 5984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5981] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5987] <... setpgid resumed>) = 0 [pid 5984] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5984] <... futex resumed>) = 0 [pid 5984] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5987] <... openat resumed>) = 3 [pid 5980] +++ exited with 0 +++ [pid 5989] <... set_robust_list resumed>) = 0 [pid 5989] rt_sigprocmask(SIG_SETMASK, [], [pid 5988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5989] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5987] write(3, "1000", 4 [pid 5986] <... openat resumed>) = 3 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5980, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5989] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5986] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... openat resumed>) = 3 [pid 5988] <... openat resumed>) = 3 [pid 5987] <... write resumed>) = 4 [pid 5986] <... futex resumed>) = 1 [pid 5981] <... futex resumed>) = 0 [pid 5989] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] write(3, "1000", 4 [pid 5987] close(3 [pid 5986] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5981] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... futex resumed>) = 1 [pid 5988] <... write resumed>) = 4 [pid 5987] <... close resumed>) = 0 [pid 5986] <... ioctl resumed>) = 0 [pid 5984] <... futex resumed>) = 0 [pid 5981] <... futex resumed>) = 0 [pid 5989] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5988] close(3 [pid 5987] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5988] <... close resumed>) = 0 [pid 5987] <... futex resumed>) = 0 [pid 5986] <... futex resumed>) = 0 [pid 5984] <... futex resumed>) = 0 [pid 5981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5989] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5988] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5986] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5984] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5981] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... ioctl resumed>) = 0 [pid 5988] <... futex resumed>) = 0 [pid 5987] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5981] <... futex resumed>) = 0 [pid 5989] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5987] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5981] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5989] <... futex resumed>) = 0 [pid 5988] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5987] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5986] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5984] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5987] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5984] <... futex resumed>) = 0 [pid 5989] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5988] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5987] <... mprotect resumed>) = 0 [pid 5984] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5986] <... ioctl resumed>) = 0 [pid 5988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5987] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5989] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5990 attached [pid 5989] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5987] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5986] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 5990 [pid 5990] set_robust_list(0x555581d606a0, 24 [pid 5989] <... futex resumed>) = 1 [pid 5984] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5991 attached [pid 5990] <... set_robust_list resumed>) = 0 [pid 5989] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5988] <... mmap resumed>) = 0x7ff12c95c000 [pid 5986] <... futex resumed>) = 1 [pid 5984] exit_group(0 [pid 5981] <... futex resumed>) = 0 [pid 5991] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5990] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5989] <... futex resumed>) = ? [pid 5988] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5986] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5984] <... exit_group resumed>) = ? [pid 5981] exit_group(0 [pid 5991] <... rseq resumed>) = 0 [pid 5990] <... prctl resumed>) = 0 [pid 5988] <... mprotect resumed>) = 0 [pid 5987] <... clone3 resumed> => {parent_tid=[5991]}, 88) = 5991 [pid 5986] <... futex resumed>) = ? [pid 5981] <... exit_group resumed>) = ? [pid 5990] setpgid(0, 0 [pid 5986] +++ exited with 0 +++ [pid 5990] <... setpgid resumed>) = 0 [pid 5988] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5991] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5989] +++ exited with 0 +++ [pid 5988] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5987] rt_sigprocmask(SIG_SETMASK, [], [pid 5984] +++ exited with 0 +++ [pid 5981] +++ exited with 0 +++ [pid 5991] rt_sigprocmask(SIG_SETMASK, [], [pid 5990] <... openat resumed>) = 3 [pid 5988] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5987] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5992 attached [pid 5991] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5990] write(3, "1000", 4 [pid 5987] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5981, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5984, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5987] <... futex resumed>) = 0 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5992] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5987] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] <... restart_syscall resumed>) = 0 [pid 5992] <... rseq resumed>) = 0 [pid 5991] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5990] <... write resumed>) = 4 [pid 5988] <... clone3 resumed> => {parent_tid=[5992]}, 88) = 5992 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5992] set_robust_list(0x7ff12c97c9a0, 24 [pid 5990] close(3 [pid 5988] rt_sigprocmask(SIG_SETMASK, [], [pid 5990] <... close resumed>) = 0 [pid 5988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5988] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] <... set_robust_list resumed>) = 0 [pid 5990] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5992] rt_sigprocmask(SIG_SETMASK, [], [pid 5991] <... openat resumed>) = 3 [pid 5990] <... futex resumed>) = 0 [pid 5988] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5991] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 5993 [pid 5991] <... futex resumed>) = 1 [pid 5990] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5991] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5994 attached ./strace-static-x86_64: Process 5993 attached [pid 5992] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5990] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5987] <... futex resumed>) = 0 [pid 5994] set_robust_list(0x555581d606a0, 24 [pid 5993] set_robust_list(0x555581d606a0, 24 [pid 5992] <... openat resumed>) = 3 [pid 5990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5987] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] <... set_robust_list resumed>) = 0 [pid 5993] <... set_robust_list resumed>) = 0 [pid 5992] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] <... futex resumed>) = 0 [pid 5990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5987] <... futex resumed>) = 1 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 5994 [pid 5994] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5993] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5992] <... futex resumed>) = 1 [pid 5991] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5990] <... mmap resumed>) = 0x7ff12c95c000 [pid 5988] <... futex resumed>) = 0 [pid 5987] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5994] <... prctl resumed>) = 0 [pid 5993] <... prctl resumed>) = 0 [pid 5992] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5991] <... ioctl resumed>) = 0 [pid 5990] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5988] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] setpgid(0, 0 [pid 5993] setpgid(0, 0 [pid 5992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5991] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] <... mprotect resumed>) = 0 [pid 5988] <... futex resumed>) = 0 [pid 5994] <... setpgid resumed>) = 0 [pid 5993] <... setpgid resumed>) = 0 [pid 5992] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5988] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5990] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5992] <... ioctl resumed>) = 0 [pid 5991] <... futex resumed>) = 1 [pid 5990] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5987] <... futex resumed>) = 0 [pid 5994] <... openat resumed>) = 3 [pid 5993] <... openat resumed>) = 3 [pid 5992] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5990] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5987] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5995 attached [pid 5993] write(3, "1000", 4 [pid 5992] <... futex resumed>) = 1 [pid 5991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5988] <... futex resumed>) = 0 [pid 5987] <... futex resumed>) = 0 [pid 5995] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5994] write(3, "1000", 4 [pid 5993] <... write resumed>) = 4 [pid 5992] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5991] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5990] <... clone3 resumed> => {parent_tid=[5995]}, 88) = 5995 [pid 5988] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5995] <... rseq resumed>) = 0 [pid 5994] <... write resumed>) = 4 [pid 5993] close(3 [pid 5992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5991] <... ioctl resumed>) = 0 [pid 5990] rt_sigprocmask(SIG_SETMASK, [], [pid 5988] <... futex resumed>) = 0 [pid 5995] set_robust_list(0x7ff12c97c9a0, 24 [pid 5994] close(3 [pid 5993] <... close resumed>) = 0 [pid 5995] <... set_robust_list resumed>) = 0 [pid 5994] <... close resumed>) = 0 [pid 5992] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5991] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5988] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5995] rt_sigprocmask(SIG_SETMASK, [], [pid 5994] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] <... ioctl resumed>) = 0 [pid 5991] <... futex resumed>) = 1 [pid 5990] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... futex resumed>) = 0 [pid 5995] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5994] <... futex resumed>) = 0 [pid 5993] <... futex resumed>) = 0 [pid 5992] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5990] <... futex resumed>) = 0 [pid 5987] exit_group(0 [pid 5995] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5994] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5993] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5992] <... futex resumed>) = 1 [pid 5988] <... futex resumed>) = 0 [pid 5987] <... exit_group resumed>) = ? [pid 5995] <... openat resumed>) = 3 [pid 5994] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5993] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5992] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5991] <... futex resumed>) = ? [pid 5990] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5988] exit_group(0 [pid 5995] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5993] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5992] <... futex resumed>) = ? [pid 5990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5988] <... exit_group resumed>) = ? [pid 5995] <... futex resumed>) = 0 [pid 5994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5990] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5993] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5994] <... mmap resumed>) = 0x7ff12c95c000 [pid 5993] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5994] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5993] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5994] <... mprotect resumed>) = 0 [pid 5993] <... mprotect resumed>) = 0 [pid 5991] +++ exited with 0 +++ [pid 5987] +++ exited with 0 +++ [pid 5994] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5993] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5994] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5993] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5994] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 5996 attached [pid 5993] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5992] +++ exited with 0 +++ [pid 5990] <... futex resumed>) = 0 [pid 5988] +++ exited with 0 +++ [pid 5995] <... ioctl resumed>) = 0 [pid 5996] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5995] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5987, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5988, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5997 attached [pid 5996] <... rseq resumed>) = 0 [pid 5995] <... futex resumed>) = 0 [pid 5994] <... clone3 resumed> => {parent_tid=[5996]}, 88) = 5996 [pid 5990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5997] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5995] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5990] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] <... rseq resumed>) = 0 [pid 5995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5997] set_robust_list(0x7ff12c97c9a0, 24 [pid 5995] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5990] <... futex resumed>) = 0 [pid 5997] <... set_robust_list resumed>) = 0 [pid 5997] rt_sigprocmask(SIG_SETMASK, [], [pid 5996] set_robust_list(0x7ff12c97c9a0, 24 [pid 5995] <... ioctl resumed>) = 0 [pid 5994] rt_sigprocmask(SIG_SETMASK, [], [pid 5993] <... clone3 resumed> => {parent_tid=[5997]}, 88) = 5997 [pid 5990] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5997] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5996] <... set_robust_list resumed>) = 0 [pid 5995] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5993] rt_sigprocmask(SIG_SETMASK, [], [pid 5990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... restart_syscall resumed>) = 0 [pid 5996] rt_sigprocmask(SIG_SETMASK, [], [pid 5994] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5996] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5996] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5994] <... futex resumed>) = 0 [pid 5993] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5998 attached [pid 5997] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5996] <... openat resumed>) = 3 [pid 5995] <... futex resumed>) = 0 [pid 5994] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5993] <... futex resumed>) = 0 [pid 5990] exit_group(0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 5998 [pid 5998] set_robust_list(0x555581d606a0, 24 [pid 5997] <... openat resumed>) = 3 [pid 5998] <... set_robust_list resumed>) = 0 [pid 5997] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] +++ exited with 0 +++ [pid 5993] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5990] <... exit_group resumed>) = ? [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5998] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5997] <... futex resumed>) = 0 [pid 5996] <... futex resumed>) = 1 [pid 5994] <... futex resumed>) = 0 [pid 5993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5996] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5994] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5999 attached [pid 5998] <... prctl resumed>) = 0 [pid 5997] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5999] set_robust_list(0x555581d606a0, 24 [pid 5998] setpgid(0, 0 [pid 5997] <... ioctl resumed>) = 0 [pid 5994] <... futex resumed>) = 0 [pid 5993] <... futex resumed>) = 0 [pid 5999] <... set_robust_list resumed>) = 0 [pid 5998] <... setpgid resumed>) = 0 [pid 5997] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5994] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5993] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5990] +++ exited with 0 +++ [pid 5998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5997] <... futex resumed>) = 0 [pid 5996] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5999] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5997] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5996] <... ioctl resumed>) = 0 [pid 5993] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... prctl resumed>) = 0 [pid 5998] <... openat resumed>) = 3 [pid 5997] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5996] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 5999 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5990, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5999] setpgid(0, 0 [pid 5998] write(3, "1000", 4 [pid 5997] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5996] <... futex resumed>) = 1 [pid 5994] <... futex resumed>) = 0 [pid 5993] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] <... setpgid resumed>) = 0 [pid 5998] <... write resumed>) = 4 [pid 5997] <... ioctl resumed>) = 0 [pid 5996] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5994] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5998] close(3 [pid 5997] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] <... ioctl resumed>) = 0 [pid 5994] <... futex resumed>) = 0 [pid 5066] <... restart_syscall resumed>) = 0 [pid 5998] <... close resumed>) = 0 [pid 5997] <... futex resumed>) = 1 [pid 5996] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5993] <... futex resumed>) = 0 [pid 5999] <... openat resumed>) = 3 [pid 5998] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5996] <... futex resumed>) = 0 [pid 5994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5999] write(3, "1000", 4 [pid 5998] <... futex resumed>) = 0 [pid 5996] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5994] exit_group(0 [pid 5993] exit_group(0 [pid 5999] <... write resumed>) = 4 [pid 5998] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5996] <... futex resumed>) = ? [pid 5994] <... exit_group resumed>) = ? [pid 5999] close(3 [pid 5998] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5997] <... futex resumed>) = ? [pid 5996] +++ exited with 0 +++ [pid 5993] <... exit_group resumed>) = ? [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5999] <... close resumed>) = 0 [pid 5998] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5997] +++ exited with 0 +++ [pid 5994] +++ exited with 0 +++ [pid 5993] +++ exited with 0 +++ [pid 5999] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5994, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5993, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5999] <... futex resumed>) = 0 [pid 5998] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5072] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5999] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5998] <... mmap resumed>) = 0x7ff12c95c000 [pid 5999] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5998] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5999] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5998] <... mprotect resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6000 attached [pid 5999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5998] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6001 attached [pid 6000] set_robust_list(0x555581d606a0, 24 [pid 5999] <... mmap resumed>) = 0x7ff12c95c000 [pid 5998] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6000 [pid 6001] set_robust_list(0x555581d606a0, 24 [pid 5999] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6001 ./strace-static-x86_64: Process 6002 attached [pid 6001] <... set_robust_list resumed>) = 0 [pid 6000] <... set_robust_list resumed>) = 0 [pid 5999] <... mprotect resumed>) = 0 [pid 5998] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 6003 attached [pid 6002] set_robust_list(0x555581d606a0, 24 [pid 6001] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6000] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6002 [pid 6002] <... set_robust_list resumed>) = 0 [pid 6001] <... prctl resumed>) = 0 [pid 5999] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5998] <... clone3 resumed> => {parent_tid=[6003]}, 88) = 6003 [pid 6003] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6002] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6001] setpgid(0, 0 [pid 6000] <... prctl resumed>) = 0 [pid 5999] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5998] rt_sigprocmask(SIG_SETMASK, [], [pid 6003] <... rseq resumed>) = 0 [pid 6002] <... prctl resumed>) = 0 [pid 6001] <... setpgid resumed>) = 0 [pid 6000] setpgid(0, 0 [pid 5999] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5998] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6003] set_robust_list(0x7ff12c97c9a0, 24 [pid 6002] setpgid(0, 0 [pid 6001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6000] <... setpgid resumed>) = 0 [pid 5998] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] <... set_robust_list resumed>) = 0 [pid 6000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6004 attached [pid 6003] rt_sigprocmask(SIG_SETMASK, [], [pid 6002] <... setpgid resumed>) = 0 [pid 5998] <... futex resumed>) = 0 [pid 6003] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6004] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6003] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6001] <... openat resumed>) = 3 [pid 5998] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] <... clone3 resumed> => {parent_tid=[6004]}, 88) = 6004 [pid 6004] <... rseq resumed>) = 0 [pid 6003] <... openat resumed>) = 3 [pid 6002] <... openat resumed>) = 3 [pid 6001] write(3, "1000", 4 [pid 6000] <... openat resumed>) = 3 [pid 5999] rt_sigprocmask(SIG_SETMASK, [], [pid 6004] set_robust_list(0x7ff12c97c9a0, 24 [pid 6003] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] write(3, "1000", 4 [pid 6001] <... write resumed>) = 4 [pid 5999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6004] <... set_robust_list resumed>) = 0 [pid 6003] <... futex resumed>) = 1 [pid 6002] <... write resumed>) = 4 [pid 6001] close(3 [pid 6000] write(3, "1000", 4 [pid 5999] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... futex resumed>) = 0 [pid 6004] rt_sigprocmask(SIG_SETMASK, [], [pid 6003] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6002] close(3 [pid 6001] <... close resumed>) = 0 [pid 6000] <... write resumed>) = 4 [pid 5999] <... futex resumed>) = 0 [pid 5998] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6002] <... close resumed>) = 0 [pid 6001] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] close(3 [pid 5999] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] <... futex resumed>) = 0 [pid 6004] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6003] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6002] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] <... futex resumed>) = 0 [pid 6000] <... close resumed>) = 0 [pid 6004] <... openat resumed>) = 3 [pid 6003] <... ioctl resumed>) = 0 [pid 6002] <... futex resumed>) = 0 [pid 6001] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6000] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6004] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6001] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6000] <... futex resumed>) = 0 [pid 6004] <... futex resumed>) = 1 [pid 6003] <... futex resumed>) = 1 [pid 6002] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6001] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6000] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5999] <... futex resumed>) = 0 [pid 5998] <... futex resumed>) = 0 [pid 6004] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6002] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5999] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6001] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5999] <... futex resumed>) = 0 [pid 5998] <... futex resumed>) = 0 [pid 6004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6003] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6002] <... mmap resumed>) = 0x7ff12c95c000 [pid 6001] <... mmap resumed>) = 0x7ff12c95c000 [pid 6000] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5999] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6004] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6003] <... ioctl resumed>) = 0 [pid 6002] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6001] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6000] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6004] <... ioctl resumed>) = 0 [pid 6003] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... mprotect resumed>) = 0 [pid 6001] <... mprotect resumed>) = 0 [pid 6000] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6004] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] <... futex resumed>) = 1 [pid 6000] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6004] <... futex resumed>) = 1 [pid 6002] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6001] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6000] <... mmap resumed>) = 0x7ff12c95c000 [pid 5999] <... futex resumed>) = 0 [pid 5998] <... futex resumed>) = 0 [pid 6002] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6001] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5999] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6001] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5999] <... futex resumed>) = 0 [pid 5998] exit_group(0 [pid 6004] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6003] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6000] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6006 attached ./strace-static-x86_64: Process 6005 attached [pid 6004] <... ioctl resumed>) = 0 [pid 6003] <... futex resumed>) = ? [pid 6002] <... clone3 resumed> => {parent_tid=[6005]}, 88) = 6005 [pid 6000] <... mprotect resumed>) = 0 [pid 5999] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] <... exit_group resumed>) = ? [pid 6006] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6005] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6004] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] +++ exited with 0 +++ [pid 6002] rt_sigprocmask(SIG_SETMASK, [], [pid 6001] <... clone3 resumed> => {parent_tid=[6006]}, 88) = 6006 [pid 6000] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6006] <... rseq resumed>) = 0 [pid 6005] <... rseq resumed>) = 0 [pid 6004] <... futex resumed>) = 0 [pid 6002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6006] set_robust_list(0x7ff12c97c9a0, 24 [pid 6005] set_robust_list(0x7ff12c97c9a0, 24 [pid 6004] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6002] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] rt_sigprocmask(SIG_SETMASK, [], [pid 6000] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6006] <... set_robust_list resumed>) = 0 [pid 6005] <... set_robust_list resumed>) = 0 [pid 6002] <... futex resumed>) = 0 [pid 6001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6000] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5999] exit_group(0 [pid 6006] rt_sigprocmask(SIG_SETMASK, [], [pid 6005] rt_sigprocmask(SIG_SETMASK, [], [pid 6004] <... futex resumed>) = ? [pid 6002] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6001] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6007 attached [pid 6006] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6005] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6004] +++ exited with 0 +++ [pid 6001] <... futex resumed>) = 0 [pid 6000] <... clone3 resumed> => {parent_tid=[6007]}, 88) = 6007 [pid 5998] +++ exited with 0 +++ [pid 6007] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6006] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6005] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6001] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6000] rt_sigprocmask(SIG_SETMASK, [], [pid 6007] <... rseq resumed>) = 0 [pid 6006] <... openat resumed>) = 3 [pid 6005] <... openat resumed>) = 3 [pid 6000] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5998, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6007] set_robust_list(0x7ff12c97c9a0, 24 [pid 6000] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6007] <... set_robust_list resumed>) = 0 [pid 6005] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 6007] rt_sigprocmask(SIG_SETMASK, [], [pid 6006] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... futex resumed>) = 1 [pid 6002] <... futex resumed>) = 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 6007] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6006] <... futex resumed>) = 1 [pid 6005] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6002] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] <... futex resumed>) = 0 [pid 6007] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6006] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6002] <... futex resumed>) = 0 [pid 6001] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] +++ exited with 0 +++ [pid 6007] <... openat resumed>) = 3 [pid 6006] <... ioctl resumed>) = 0 [pid 6005] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6002] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6001] <... futex resumed>) = 0 [pid 6007] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... ioctl resumed>) = 0 [pid 6001] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6007] <... futex resumed>) = 1 [pid 6006] <... futex resumed>) = 0 [pid 6005] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5999, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6007] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6006] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6005] <... futex resumed>) = 1 [pid 6002] <... futex resumed>) = 0 [pid 6001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6000] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6007] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6005] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6002] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6009 attached [pid 6007] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6006] <... futex resumed>) = 0 [pid 6005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6002] <... futex resumed>) = 0 [pid 6001] <... futex resumed>) = 1 [pid 6000] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6008 attached [pid 6007] <... ioctl resumed>) = 0 [pid 6006] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6005] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6002] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6001] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6009] set_robust_list(0x555581d606a0, 24 [pid 6006] <... ioctl resumed>) = 0 [pid 6009] <... set_robust_list resumed>) = 0 [pid 6005] <... ioctl resumed>) = 0 [pid 6009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6008] set_robust_list(0x555581d606a0, 24 [pid 6007] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6008 [pid 6009] <... prctl resumed>) = 0 [pid 6007] <... futex resumed>) = 1 [pid 6006] <... futex resumed>) = 1 [pid 6005] <... futex resumed>) = 1 [pid 6002] <... futex resumed>) = 0 [pid 6001] <... futex resumed>) = 0 [pid 6005] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6002] exit_group(0 [pid 6001] exit_group(0 [pid 6005] <... futex resumed>) = ? [pid 6002] <... exit_group resumed>) = ? [pid 6001] <... exit_group resumed>) = ? [pid 6007] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6009] setpgid(0, 0 [pid 6008] <... set_robust_list resumed>) = 0 [pid 6000] <... futex resumed>) = 0 [pid 6008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6000] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6009 [pid 6008] <... prctl resumed>) = 0 [pid 6000] <... futex resumed>) = 1 [pid 6009] <... setpgid resumed>) = 0 [pid 6008] setpgid(0, 0 [pid 6000] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6007] <... futex resumed>) = 0 [pid 6009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6008] <... setpgid resumed>) = 0 [pid 6007] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6007] <... ioctl resumed>) = 0 [pid 6008] <... openat resumed>) = 3 [pid 6007] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] <... openat resumed>) = 3 [pid 6007] <... futex resumed>) = 1 [pid 6000] <... futex resumed>) = 0 [pid 6009] write(3, "1000", 4 [pid 6008] write(3, "1000", 4 [pid 6007] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6000] exit_group(0 [pid 6008] <... write resumed>) = 4 [pid 6000] <... exit_group resumed>) = ? [pid 6008] close(3 [pid 6007] <... futex resumed>) = ? [pid 6009] <... write resumed>) = 4 [pid 6008] <... close resumed>) = 0 [pid 6005] +++ exited with 0 +++ [pid 6006] +++ exited with 0 +++ [pid 6002] +++ exited with 0 +++ [pid 6001] +++ exited with 0 +++ [pid 6008] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6001, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6002, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6008] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6010 attached ./strace-static-x86_64: Process 6011 attached [pid 6009] close(3 [pid 6007] +++ exited with 0 +++ [pid 6000] +++ exited with 0 +++ [pid 6009] <... close resumed>) = 0 [pid 6011] set_robust_list(0x555581d606a0, 24 [pid 6010] set_robust_list(0x555581d606a0, 24 [pid 6009] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6000, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6011] <... set_robust_list resumed>) = 0 [pid 6010] <... set_robust_list resumed>) = 0 [pid 6009] <... futex resumed>) = 0 [pid 6008] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6011] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6009] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6011 [pid 6010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6009] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6011] <... prctl resumed>) = 0 [pid 6010] <... prctl resumed>) = 0 [pid 6009] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6008] <... mmap resumed>) = 0x7ff12c95c000 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6010 [pid 6011] setpgid(0, 0 [pid 6010] setpgid(0, 0 [pid 6009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6008] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6011] <... setpgid resumed>) = 0 [pid 6010] <... setpgid resumed>) = 0 [pid 6009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6008] <... mprotect resumed>) = 0 [pid 6011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6009] <... mmap resumed>) = 0x7ff12c95c000 [pid 6008] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6008] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6011] <... openat resumed>) = 3 [pid 6009] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6013 attached ./strace-static-x86_64: Process 6012 attached [pid 6013] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6012] set_robust_list(0x555581d606a0, 24 [pid 6010] <... openat resumed>) = 3 [pid 6013] <... rseq resumed>) = 0 [pid 6012] <... set_robust_list resumed>) = 0 [pid 6011] write(3, "1000", 4 [pid 6010] write(3, "1000", 4 [pid 6009] <... mprotect resumed>) = 0 [pid 6008] <... clone3 resumed> => {parent_tid=[6013]}, 88) = 6013 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6012 [pid 6013] set_robust_list(0x7ff12c97c9a0, 24 [pid 6012] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6011] <... write resumed>) = 4 [pid 6010] <... write resumed>) = 4 [pid 6009] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6008] rt_sigprocmask(SIG_SETMASK, [], [pid 6013] <... set_robust_list resumed>) = 0 [pid 6012] <... prctl resumed>) = 0 [pid 6011] close(3 [pid 6010] close(3 [pid 6009] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6013] rt_sigprocmask(SIG_SETMASK, [], [pid 6012] setpgid(0, 0 [pid 6011] <... close resumed>) = 0 [pid 6010] <... close resumed>) = 0 [pid 6009] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6008] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6012] <... setpgid resumed>) = 0 [pid 6008] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6014 attached [pid 6013] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6011] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6013] <... openat resumed>) = 3 [pid 6012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6011] <... futex resumed>) = 0 [pid 6010] <... futex resumed>) = 0 [pid 6009] <... clone3 resumed> => {parent_tid=[6014]}, 88) = 6014 [pid 6008] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6014] <... rseq resumed>) = 0 [pid 6013] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6010] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6009] rt_sigprocmask(SIG_SETMASK, [], [pid 6008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6014] set_robust_list(0x7ff12c97c9a0, 24 [pid 6013] <... futex resumed>) = 0 [pid 6012] <... openat resumed>) = 3 [pid 6011] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6010] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6008] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] <... set_robust_list resumed>) = 0 [pid 6013] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6012] write(3, "1000", 4 [pid 6011] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6010] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6009] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] <... futex resumed>) = 0 [pid 6014] rt_sigprocmask(SIG_SETMASK, [], [pid 6013] <... ioctl resumed>) = 0 [pid 6012] <... write resumed>) = 4 [pid 6011] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6010] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6009] <... futex resumed>) = 0 [pid 6008] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6014] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6013] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] close(3 [pid 6011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6009] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6014] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6013] <... futex resumed>) = 0 [pid 6012] <... close resumed>) = 0 [pid 6011] <... mmap resumed>) = 0x7ff12c95c000 [pid 6010] <... mmap resumed>) = 0x7ff12c95c000 [pid 6008] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] <... openat resumed>) = 3 [pid 6013] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6012] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6010] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6008] <... futex resumed>) = 0 [pid 6014] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] <... ioctl resumed>) = 0 [pid 6012] <... futex resumed>) = 0 [pid 6008] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6014] <... futex resumed>) = 1 [pid 6012] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6011] <... mprotect resumed>) = 0 [pid 6010] <... mprotect resumed>) = 0 [pid 6009] <... futex resumed>) = 0 [pid 6014] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6013] <... futex resumed>) = 1 [pid 6011] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6009] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] <... futex resumed>) = 0 [pid 6014] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6013] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6012] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6011] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6010] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6009] <... futex resumed>) = 0 [pid 6008] exit_group(0 [pid 6014] <... ioctl resumed>) = 0 [pid 6013] <... futex resumed>) = ? [pid 6012] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6011] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6010] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6009] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6008] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6015 attached [pid 6014] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] +++ exited with 0 +++ [pid 6012] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6010] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6008] +++ exited with 0 +++ [pid 6015] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6014] <... futex resumed>) = 0 [pid 6012] <... mmap resumed>) = 0x7ff12c95c000 [pid 6011] <... clone3 resumed> => {parent_tid=[6015]}, 88) = 6015 ./strace-static-x86_64: Process 6016 attached [pid 6015] <... rseq resumed>) = 0 [pid 6014] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6012] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6011] rt_sigprocmask(SIG_SETMASK, [], [pid 6009] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6015] set_robust_list(0x7ff12c97c9a0, 24 [pid 6014] <... ioctl resumed>) = 0 [pid 6012] <... mprotect resumed>) = 0 [pid 6011] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6010] <... clone3 resumed> => {parent_tid=[6016]}, 88) = 6016 [pid 6009] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6008, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6016] <... rseq resumed>) = 0 [pid 6015] <... set_robust_list resumed>) = 0 [pid 6014] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6011] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] rt_sigprocmask(SIG_SETMASK, [], [pid 6009] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6016] set_robust_list(0x7ff12c97c9a0, 24 [pid 6014] <... futex resumed>) = 0 [pid 6011] <... futex resumed>) = 0 [pid 6010] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6015] rt_sigprocmask(SIG_SETMASK, [], [pid 6012] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6015] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6012] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 6017 attached ./strace-static-x86_64: Process 6018 attached [pid 6016] <... set_robust_list resumed>) = 0 [pid 6015] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6014] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] exit_group(0 [pid 6017] set_robust_list(0x555581d606a0, 24 [pid 6018] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6016] rt_sigprocmask(SIG_SETMASK, [], [pid 6015] <... openat resumed>) = 3 [pid 6014] <... futex resumed>) = ? [pid 6012] <... clone3 resumed> => {parent_tid=[6018]}, 88) = 6018 [pid 6010] <... futex resumed>) = 0 [pid 6009] <... exit_group resumed>) = ? [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6017 [pid 6017] <... set_robust_list resumed>) = 0 [pid 6018] <... rseq resumed>) = 0 [pid 6016] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6015] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] +++ exited with 0 +++ [pid 6012] rt_sigprocmask(SIG_SETMASK, [], [pid 6010] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] set_robust_list(0x7ff12c97c9a0, 24 [pid 6016] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6015] <... futex resumed>) = 1 [pid 6012] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6017] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6018] <... set_robust_list resumed>) = 0 [pid 6015] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] rt_sigprocmask(SIG_SETMASK, [], [pid 6016] <... openat resumed>) = 3 [pid 6012] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] <... prctl resumed>) = 0 [pid 6018] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6012] <... futex resumed>) = 0 [pid 6011] <... futex resumed>) = 0 [pid 6016] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] setpgid(0, 0 [pid 6018] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6016] <... futex resumed>) = 1 [pid 6012] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6011] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... futex resumed>) = 0 [pid 6017] <... setpgid resumed>) = 0 [pid 6018] <... openat resumed>) = 3 [pid 6016] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6015] <... futex resumed>) = 0 [pid 6011] <... futex resumed>) = 1 [pid 6010] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] +++ exited with 0 +++ [pid 6017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6018] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6015] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6011] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6009, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6017] <... openat resumed>) = 3 [pid 6018] <... futex resumed>) = 1 [pid 6016] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6015] <... ioctl resumed>) = 0 [pid 6012] <... futex resumed>) = 0 [pid 6010] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6017] write(3, "1000", 4 [pid 6016] <... ioctl resumed>) = 0 [pid 6017] <... write resumed>) = 4 [pid 6017] close(3 [pid 6016] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] <... close resumed>) = 0 [pid 6018] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6016] <... futex resumed>) = 1 [pid 6015] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... futex resumed>) = 0 [pid 6017] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] <... ioctl resumed>) = 0 [pid 6016] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6015] <... futex resumed>) = 1 [pid 6012] <... futex resumed>) = 0 [pid 6011] <... futex resumed>) = 0 [pid 6010] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] <... futex resumed>) = 0 [pid 6018] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6012] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6017] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6018] <... futex resumed>) = 0 [pid 6016] <... ioctl resumed>) = 0 [pid 6015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6011] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... futex resumed>) = 0 [pid 6017] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6018] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6016] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6012] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... futex resumed>) = 0 [pid 6010] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6017] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6016] <... futex resumed>) = 0 [pid 6015] <... ioctl resumed>) = 0 [pid 6012] <... futex resumed>) = 0 [pid 6011] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6017] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6016] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6015] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6010] exit_group(0 [pid 6017] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6011] exit_group(0 [pid 6010] <... exit_group resumed>) = ? [pid 6017] <... mmap resumed>) = 0x7ff12c95c000 [pid 6018] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6016] <... futex resumed>) = ? [pid 6015] <... futex resumed>) = ? [pid 6011] <... exit_group resumed>) = ? [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6018] <... ioctl resumed>) = 0 [pid 6015] +++ exited with 0 +++ [pid 6018] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6011, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6018] <... futex resumed>) = 1 [pid 6018] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6012] <... futex resumed>) = 0 [pid 6012] exit_group(0 [pid 6018] <... futex resumed>) = ? [pid 6012] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6019 attached [pid 6017] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6018] +++ exited with 0 +++ [pid 6016] +++ exited with 0 +++ [pid 6012] +++ exited with 0 +++ [pid 6010] +++ exited with 0 +++ [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6010, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6019] set_robust_list(0x555581d606a0, 24 [pid 6017] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6020 attached [pid 6019] <... set_robust_list resumed>) = 0 [pid 6020] set_robust_list(0x555581d606a0, 24 [pid 6017] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6019 [pid 6020] <... set_robust_list resumed>) = 0 [pid 6019] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6017] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6012, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6019] <... prctl resumed>) = 0 [pid 6017] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6020 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6022 attached ./strace-static-x86_64: Process 6021 attached [pid 6020] <... prctl resumed>) = 0 [pid 6019] setpgid(0, 0 [pid 6017] <... clone3 resumed> => {parent_tid=[6022]}, 88) = 6022 [pid 6020] setpgid(0, 0 [pid 6019] <... setpgid resumed>) = 0 [pid 6017] rt_sigprocmask(SIG_SETMASK, [], [pid 6021] set_robust_list(0x555581d606a0, 24 [pid 6017] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6020] <... setpgid resumed>) = 0 [pid 6022] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6017] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6021 [pid 6019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6022] <... rseq resumed>) = 0 [pid 6022] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 6021] <... set_robust_list resumed>) = 0 [pid 6020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6017] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6023 attached [pid 6022] rt_sigprocmask(SIG_SETMASK, [], [pid 6021] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6023] set_robust_list(0x555581d606a0, 24 [pid 6022] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6020] <... openat resumed>) = 3 [pid 6019] <... openat resumed>) = 3 [pid 6017] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6023 [pid 6023] <... set_robust_list resumed>) = 0 [pid 6022] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6021] <... prctl resumed>) = 0 [pid 6020] write(3, "1000", 4 [pid 6019] write(3, "1000", 4 [pid 6023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6022] <... openat resumed>) = 3 [pid 6021] setpgid(0, 0 [pid 6020] <... write resumed>) = 4 [pid 6019] <... write resumed>) = 4 [pid 6021] <... setpgid resumed>) = 0 [pid 6020] close(3 [pid 6019] close(3 [pid 6020] <... close resumed>) = 0 [pid 6023] <... prctl resumed>) = 0 [pid 6022] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6020] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] <... close resumed>) = 0 [pid 6023] setpgid(0, 0 [pid 6022] <... futex resumed>) = 1 [pid 6022] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6021] <... openat resumed>) = 3 [pid 6020] <... futex resumed>) = 0 [pid 6023] <... setpgid resumed>) = 0 [pid 6020] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6019] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] <... futex resumed>) = 0 [pid 6023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6021] write(3, "1000", 4 [pid 6020] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6019] <... futex resumed>) = 0 [pid 6017] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] <... openat resumed>) = 3 [pid 6022] <... futex resumed>) = 0 [pid 6021] <... write resumed>) = 4 [pid 6020] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6019] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6017] <... futex resumed>) = 1 [pid 6023] write(3, "1000", 4 [pid 6022] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6021] close(3 [pid 6020] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6019] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6017] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6021] <... close resumed>) = 0 [pid 6020] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6019] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6021] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] <... mmap resumed>) = 0x7ff12c95c000 [pid 6019] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6021] <... futex resumed>) = 0 [pid 6019] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6021] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 6020] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6019] <... mmap resumed>) = 0x7ff12c95c000 [pid 6021] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6020] <... mprotect resumed>) = 0 [pid 6021] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6021] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6019] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6023] <... write resumed>) = 4 [pid 6022] <... ioctl resumed>) = 0 [pid 6021] <... mmap resumed>) = 0x7ff12c95c000 [pid 6019] <... mprotect resumed>) = 0 [pid 6021] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6020] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6023] close(3 [pid 6022] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6023] <... close resumed>) = 0 [pid 6022] <... futex resumed>) = 1 [pid 6020] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6021] <... mprotect resumed>) = 0 [pid 6017] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6024 attached [pid 6023] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6021] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6019] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6017] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6023] <... futex resumed>) = 0 [pid 6022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6021] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6020] <... clone3 resumed> => {parent_tid=[6024]}, 88) = 6024 [pid 6019] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6017] <... futex resumed>) = 0 [pid 6024] <... rseq resumed>) = 0 [pid 6023] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6022] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6021] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6020] rt_sigprocmask(SIG_SETMASK, [], [pid 6019] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6017] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6024] set_robust_list(0x7ff12c97c9a0, 24 [pid 6023] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6022] <... ioctl resumed>) = 0 [pid 6020] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6026 attached ./strace-static-x86_64: Process 6025 attached [pid 6024] <... set_robust_list resumed>) = 0 [pid 6023] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6021] <... clone3 resumed> => {parent_tid=[6025]}, 88) = 6025 [pid 6020] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6025] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6024] rt_sigprocmask(SIG_SETMASK, [], [pid 6023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6022] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] rt_sigprocmask(SIG_SETMASK, [], [pid 6020] <... futex resumed>) = 0 [pid 6019] <... clone3 resumed> => {parent_tid=[6026]}, 88) = 6026 [pid 6026] <... rseq resumed>) = 0 [pid 6025] <... rseq resumed>) = 0 [pid 6024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6022] <... futex resumed>) = 1 [pid 6021] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6020] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6019] rt_sigprocmask(SIG_SETMASK, [], [pid 6017] <... futex resumed>) = 0 [pid 6026] set_robust_list(0x7ff12c97c9a0, 24 [pid 6025] set_robust_list(0x7ff12c97c9a0, 24 [pid 6024] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6023] <... mmap resumed>) = 0x7ff12c95c000 [pid 6022] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6021] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6017] exit_group(0 [pid 6024] <... openat resumed>) = 3 [pid 6024] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6020] <... futex resumed>) = 0 [pid 6024] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6020] <... futex resumed>) = 0 [pid 6024] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6020] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6024] <... ioctl resumed>) = 0 [pid 6024] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6020] <... futex resumed>) = 0 [pid 6024] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6020] <... futex resumed>) = 0 [pid 6024] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6020] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6024] <... ioctl resumed>) = 0 [pid 6024] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6020] <... futex resumed>) = 0 [pid 6024] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] exit_group(0 [pid 6024] <... futex resumed>) = ? [pid 6020] <... exit_group resumed>) = ? [pid 6026] <... set_robust_list resumed>) = 0 [pid 6025] <... set_robust_list resumed>) = 0 [pid 6024] +++ exited with 0 +++ [pid 6023] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6022] <... futex resumed>) = ? [pid 6021] <... futex resumed>) = 0 [pid 6019] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] <... exit_group resumed>) = ? [pid 6026] rt_sigprocmask(SIG_SETMASK, [], [pid 6025] rt_sigprocmask(SIG_SETMASK, [], [pid 6023] <... mprotect resumed>) = 0 [pid 6022] +++ exited with 0 +++ [pid 6021] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6020] +++ exited with 0 +++ [pid 6019] <... futex resumed>) = 0 [pid 6026] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6025] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6019] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6023] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6020, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6026] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6026] <... openat resumed>) = 3 [pid 6025] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6023] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6017] +++ exited with 0 +++ ./strace-static-x86_64: Process 6027 attached [pid 6026] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... openat resumed>) = 3 [pid 6023] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6017, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6026] <... futex resumed>) = 1 [pid 6019] <... futex resumed>) = 0 [pid 6025] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6025] <... futex resumed>) = 1 [pid 6023] <... clone3 resumed> => {parent_tid=[6028]}, 88) = 6028 [pid 6019] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6025] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6023] rt_sigprocmask(SIG_SETMASK, [], [pid 6019] <... futex resumed>) = 0 [pid 6026] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6019] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6026] <... ioctl resumed>) = 0 [pid 6023] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6027 [pid 6026] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] <... futex resumed>) = 0 [pid 6026] <... futex resumed>) = 1 [pid 6023] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6019] <... futex resumed>) = 0 [pid 6026] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6019] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6019] <... futex resumed>) = 0 [pid 6026] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6019] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6026] <... ioctl resumed>) = 0 [pid 6026] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6028 attached [pid 6027] set_robust_list(0x555581d606a0, 24 [pid 6021] <... futex resumed>) = 0 [pid 6028] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6027] <... set_robust_list resumed>) = 0 [pid 6026] <... futex resumed>) = 1 [pid 6021] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] <... futex resumed>) = 0 [pid 6019] exit_group(0 [pid 6028] <... rseq resumed>) = 0 [pid 6027] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6025] <... futex resumed>) = 0 [pid 6021] <... futex resumed>) = 1 [pid 6019] <... exit_group resumed>) = ? [pid 6028] set_robust_list(0x7ff12c97c9a0, 24 [pid 6027] <... prctl resumed>) = 0 [pid 6025] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6021] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6025] <... ioctl resumed>) = 0 [pid 6028] <... set_robust_list resumed>) = 0 [pid 6027] setpgid(0, 0 [pid 6026] +++ exited with 0 +++ [pid 6025] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6019] +++ exited with 0 +++ [pid 6028] rt_sigprocmask(SIG_SETMASK, [], [pid 6027] <... setpgid resumed>) = 0 [pid 6025] <... futex resumed>) = 0 [pid 6021] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6021] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6019, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6028] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6025] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6030 attached ./strace-static-x86_64: Process 6029 attached [pid 6028] <... openat resumed>) = 3 [pid 6027] <... openat resumed>) = 3 [pid 6025] <... ioctl resumed>) = 0 [pid 6021] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6029 [pid 6025] <... futex resumed>) = 1 [pid 6028] <... futex resumed>) = 1 [pid 6025] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6028] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6023] <... futex resumed>) = 0 [pid 6023] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] <... futex resumed>) = 0 [pid 6028] <... futex resumed>) = 0 [pid 6023] <... futex resumed>) = 1 [pid 6021] exit_group(0 [pid 6028] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6025] <... futex resumed>) = ? [pid 6023] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6021] <... exit_group resumed>) = ? [pid 6030] set_robust_list(0x555581d606a0, 24 [pid 6029] set_robust_list(0x555581d606a0, 24 [pid 6028] <... ioctl resumed>) = 0 [pid 6027] write(3, "1000", 4 [pid 6025] +++ exited with 0 +++ [pid 6021] +++ exited with 0 +++ [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6030 [pid 6030] <... set_robust_list resumed>) = 0 [pid 6029] <... set_robust_list resumed>) = 0 [pid 6028] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] <... write resumed>) = 4 [pid 6028] <... futex resumed>) = 1 [pid 6023] <... futex resumed>) = 0 [pid 6028] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6023] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6023] <... futex resumed>) = 0 [pid 6028] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6023] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] <... ioctl resumed>) = 0 [pid 6028] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6029] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6027] close(3 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6021, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6030] <... prctl resumed>) = 0 [pid 6028] <... futex resumed>) = 1 [pid 6027] <... close resumed>) = 0 [pid 6023] <... futex resumed>) = 0 [pid 6030] setpgid(0, 0 [pid 6028] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6027] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] exit_group(0 [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 6030] <... setpgid resumed>) = 0 [pid 6028] <... futex resumed>) = ? [pid 6027] <... futex resumed>) = 0 [pid 6023] <... exit_group resumed>) = ? [pid 5065] <... restart_syscall resumed>) = 0 [pid 6030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6029] <... prctl resumed>) = 0 [pid 6028] +++ exited with 0 +++ [pid 6023] +++ exited with 0 +++ [pid 6030] <... openat resumed>) = 3 [pid 6029] setpgid(0, 0 [pid 6027] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6030] write(3, "1000", 4 [pid 6029] <... setpgid resumed>) = 0 [pid 6027] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6023, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6030] <... write resumed>) = 4 [pid 6027] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6030] close(3 [pid 6029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6027] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6030] <... close resumed>) = 0 [pid 6029] <... openat resumed>) = 3 [pid 6027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6031 attached [pid 6029] write(3, "1000", 4 [pid 6027] <... mmap resumed>) = 0x7ff12c95c000 [pid 6029] <... write resumed>) = 4 [pid 6030] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] close(3 [pid 6027] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6031] set_robust_list(0x555581d606a0, 24 [pid 6029] <... close resumed>) = 0 [pid 6027] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6032 attached [pid 6031] <... set_robust_list resumed>) = 0 [pid 6030] <... futex resumed>) = 0 [pid 6029] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6030] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6029] <... futex resumed>) = 0 [pid 6027] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6031 [pid 6029] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6032] set_robust_list(0x555581d606a0, 24 [pid 6029] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6027] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 6033 attached [pid 6030] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6029] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6033] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6030] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6032 [pid 6031] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6033] <... rseq resumed>) = 0 [pid 6032] <... set_robust_list resumed>) = 0 [pid 6031] <... prctl resumed>) = 0 [pid 6030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6027] <... clone3 resumed> => {parent_tid=[6033]}, 88) = 6033 [pid 6033] set_robust_list(0x7ff12c97c9a0, 24 [pid 6030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6027] rt_sigprocmask(SIG_SETMASK, [], [pid 6033] <... set_robust_list resumed>) = 0 [pid 6032] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6031] setpgid(0, 0 [pid 6030] <... mmap resumed>) = 0x7ff12c95c000 [pid 6029] <... mmap resumed>) = 0x7ff12c95c000 [pid 6027] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6033] rt_sigprocmask(SIG_SETMASK, [], [pid 6031] <... setpgid resumed>) = 0 [pid 6030] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6029] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6027] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6032] <... prctl resumed>) = 0 [pid 6031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6030] <... mprotect resumed>) = 0 [pid 6029] <... mprotect resumed>) = 0 [pid 6027] <... futex resumed>) = 0 [pid 6033] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6032] setpgid(0, 0 [pid 6030] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6027] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6033] <... openat resumed>) = 3 [pid 6029] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6033] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6033] <... futex resumed>) = 1 [pid 6032] <... setpgid resumed>) = 0 [pid 6031] <... openat resumed>) = 3 [pid 6030] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6029] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6027] <... futex resumed>) = 0 [pid 6033] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6031] write(3, "1000", 4 [pid 6029] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6027] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6034 attached [pid 6033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6031] <... write resumed>) = 4 [pid 6027] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6035 attached [pid 6034] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6033] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6030] <... clone3 resumed> => {parent_tid=[6034]}, 88) = 6034 [pid 6029] <... clone3 resumed> => {parent_tid=[6035]}, 88) = 6035 [pid 6027] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6035] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6034] <... rseq resumed>) = 0 [pid 6033] <... ioctl resumed>) = 0 [pid 6032] <... openat resumed>) = 3 [pid 6031] close(3 [pid 6030] rt_sigprocmask(SIG_SETMASK, [], [pid 6029] rt_sigprocmask(SIG_SETMASK, [], [pid 6035] <... rseq resumed>) = 0 [pid 6034] set_robust_list(0x7ff12c97c9a0, 24 [pid 6033] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6035] set_robust_list(0x7ff12c97c9a0, 24 [pid 6034] <... set_robust_list resumed>) = 0 [pid 6033] <... futex resumed>) = 1 [pid 6031] <... close resumed>) = 0 [pid 6030] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] <... futex resumed>) = 0 [pid 6029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6035] <... set_robust_list resumed>) = 0 [pid 6034] rt_sigprocmask(SIG_SETMASK, [], [pid 6033] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6032] write(3, "1000", 4 [pid 6031] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] <... futex resumed>) = 0 [pid 6029] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] rt_sigprocmask(SIG_SETMASK, [], [pid 6034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6032] <... write resumed>) = 4 [pid 6031] <... futex resumed>) = 0 [pid 6030] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6029] <... futex resumed>) = 0 [pid 6027] <... futex resumed>) = 0 [pid 6035] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6033] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6031] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6029] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6027] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6032] close(3 [pid 6033] <... ioctl resumed>) = 0 [pid 6035] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6034] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6033] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] <... close resumed>) = 0 [pid 6031] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6035] <... openat resumed>) = 3 [pid 6033] <... futex resumed>) = 1 [pid 6032] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6027] <... futex resumed>) = 0 [pid 6035] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] <... openat resumed>) = 3 [pid 6033] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6032] <... futex resumed>) = 0 [pid 6031] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6027] exit_group(0 [pid 6035] <... futex resumed>) = 1 [pid 6033] <... futex resumed>) = ? [pid 6027] <... exit_group resumed>) = ? [pid 6035] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] +++ exited with 0 +++ [pid 6032] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6031] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6029] <... futex resumed>) = 0 [pid 6027] +++ exited with 0 +++ [pid 6034] <... futex resumed>) = 1 [pid 6032] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6031] <... mmap resumed>) = 0x7ff12c95c000 [pid 6030] <... futex resumed>) = 0 [pid 6029] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] <... futex resumed>) = 0 [pid 6034] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6032] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6031] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6030] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... futex resumed>) = 1 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6027, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6035] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6031] <... mprotect resumed>) = 0 [pid 6030] <... futex resumed>) = 0 [pid 6029] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6032] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6035] <... ioctl resumed>) = 0 [pid 6034] <... ioctl resumed>) = 0 [pid 6032] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6031] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6030] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6035] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6035] <... futex resumed>) = 1 [pid 6034] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] <... mmap resumed>) = 0x7ff12c95c000 [pid 6031] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6029] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6036 attached [pid 6035] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] <... futex resumed>) = 1 [pid 6032] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6030] <... futex resumed>) = 0 [pid 6029] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] set_robust_list(0x555581d606a0, 24) = 0 [pid 6034] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6029] <... futex resumed>) = 0 [pid 6032] <... mprotect resumed>) = 0 [pid 6031] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6029] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6030] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6034] <... futex resumed>) = 0 [pid 6030] <... futex resumed>) = 1 [pid 6034] ioctl(3, SNDRV_TIMER_IOCTL_START, 0./strace-static-x86_64: Process 6037 attached [pid 6035] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6036] <... prctl resumed>) = 0 [pid 6034] <... ioctl resumed>) = 0 [pid 6030] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6037] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6035] <... ioctl resumed>) = 0 [pid 6037] <... rseq resumed>) = 0 [pid 6035] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6036 [pid 6037] set_robust_list(0x7ff12c97c9a0, 24 [pid 6035] <... futex resumed>) = 1 [pid 6029] <... futex resumed>) = 0 [pid 6037] <... set_robust_list resumed>) = 0 [pid 6035] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6029] exit_group(0 [pid 6037] rt_sigprocmask(SIG_SETMASK, [], [pid 6035] <... futex resumed>) = ? [pid 6029] <... exit_group resumed>) = ? [pid 6037] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6036] setpgid(0, 0 [pid 6035] +++ exited with 0 +++ [pid 6034] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6029] +++ exited with 0 +++ [pid 6037] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] <... setpgid resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6029, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6034] <... futex resumed>) = 1 [pid 6032] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6031] <... clone3 resumed> => {parent_tid=[6037]}, 88) = 6037 [pid 6030] <... futex resumed>) = 0 [pid 6030] exit_group(0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6036] <... openat resumed>) = 3 [pid 6032] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6031] rt_sigprocmask(SIG_SETMASK, [], [pid 6030] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6038 attached [pid 6036] write(3, "1000", 4 [pid 6034] +++ exited with 0 +++ [pid 6031] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6030] +++ exited with 0 +++ [pid 6032] <... clone3 resumed> => {parent_tid=[6039]}, 88) = 6039 [pid 6031] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] <... write resumed>) = 4 [pid 6032] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6039 attached [pid 6038] set_robust_list(0x555581d606a0, 24 [pid 6037] <... futex resumed>) = 0 [pid 6036] close(3 [pid 6032] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6031] <... futex resumed>) = 1 [pid 6039] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6038] <... set_robust_list resumed>) = 0 [pid 6037] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6036] <... close resumed>) = 0 [pid 6032] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6030, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6038 [pid 6039] <... rseq resumed>) = 0 [pid 6037] <... openat resumed>) = 3 [pid 6032] <... futex resumed>) = 0 [pid 6039] set_robust_list(0x7ff12c97c9a0, 24 [pid 6038] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6037] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] <... set_robust_list resumed>) = 0 [pid 6038] <... prctl resumed>) = 0 [pid 6037] <... futex resumed>) = 1 [pid 6036] <... futex resumed>) = 0 [pid 6031] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6039] rt_sigprocmask(SIG_SETMASK, [], [pid 6037] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6031] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6040 attached [pid 6039] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6038] setpgid(0, 0 [pid 6037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6036] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6031] <... futex resumed>) = 0 [pid 6039] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6038] <... setpgid resumed>) = 0 [pid 6037] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6036] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6031] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6040] set_robust_list(0x555581d606a0, 24 [pid 6036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6040] <... set_robust_list resumed>) = 0 [pid 6039] <... openat resumed>) = 3 [pid 6037] <... ioctl resumed>) = 0 [pid 6036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6038] <... openat resumed>) = 3 [pid 6037] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6031] <... futex resumed>) = 0 [pid 6039] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6031] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] <... futex resumed>) = 1 [pid 6037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6032] <... futex resumed>) = 0 [pid 6031] <... futex resumed>) = 0 [pid 6039] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6037] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6032] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6040 [pid 6039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6037] <... ioctl resumed>) = 0 [pid 6032] <... futex resumed>) = 0 [pid 6039] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6037] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] <... ioctl resumed>) = 0 [pid 6037] <... futex resumed>) = 1 [pid 6031] <... futex resumed>) = 0 [pid 6037] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6031] exit_group(0 [pid 6039] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... futex resumed>) = ? [pid 6031] <... exit_group resumed>) = ? [pid 6039] <... futex resumed>) = 1 [pid 6037] +++ exited with 0 +++ [pid 6032] <... futex resumed>) = 0 [pid 6039] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6036] <... mmap resumed>) = 0x7ff12c95c000 [pid 6032] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6039] <... ioctl resumed>) = 0 [pid 6038] write(3, "1000", 4 [pid 6036] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6032] <... futex resumed>) = 0 [pid 6040] <... prctl resumed>) = 0 [pid 6039] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] <... write resumed>) = 4 [pid 6036] <... mprotect resumed>) = 0 [pid 6032] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6031] +++ exited with 0 +++ [pid 6039] <... futex resumed>) = 0 [pid 6038] close(3 [pid 6032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6036] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6040] setpgid(0, 0) = 0 [pid 6039] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6038] <... close resumed>) = 0 [pid 6036] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6032] exit_group(0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6031, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6039] <... futex resumed>) = ? [pid 6038] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6032] <... exit_group resumed>) = ? [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 6040] <... openat resumed>) = 3 [pid 6039] +++ exited with 0 +++ [pid 6038] <... futex resumed>) = 0 [pid 6032] +++ exited with 0 +++ [pid 5065] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6041 attached [pid 6040] write(3, "1000", 4 [pid 6038] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6036] <... clone3 resumed> => {parent_tid=[6041]}, 88) = 6041 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6032, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6041] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6040] <... write resumed>) = 4 [pid 6038] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6036] rt_sigprocmask(SIG_SETMASK, [], [pid 6041] <... rseq resumed>) = 0 [pid 6040] close(3 [pid 6038] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6041] set_robust_list(0x7ff12c97c9a0, 24 [pid 6040] <... close resumed>) = 0 [pid 6038] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6036] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6042 attached [pid 6041] <... set_robust_list resumed>) = 0 [pid 6040] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6036] <... futex resumed>) = 0 [pid 6040] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6043 attached [pid 6042] set_robust_list(0x555581d606a0, 24 [pid 6041] rt_sigprocmask(SIG_SETMASK, [], [pid 6040] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6038] <... mmap resumed>) = 0x7ff12c95c000 [pid 6036] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6042] <... set_robust_list resumed>) = 0 [pid 6041] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6040] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6038] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6042] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6041] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6040] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6043] set_robust_list(0x555581d606a0, 24 [pid 6042] <... prctl resumed>) = 0 [pid 6041] <... openat resumed>) = 3 [pid 6040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6038] <... mprotect resumed>) = 0 [pid 6041] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6042 [pid 6041] <... futex resumed>) = 1 [pid 6040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6036] <... futex resumed>) = 0 [pid 6041] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6038] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6036] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6043 [pid 6041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6040] <... mmap resumed>) = 0x7ff12c95c000 [pid 6036] <... futex resumed>) = 0 [pid 6041] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6042] setpgid(0, 0 [pid 6043] <... set_robust_list resumed>) = 0 [pid 6040] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6038] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6036] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6041] <... ioctl resumed>) = 0 [pid 6040] <... mprotect resumed>) = 0 [pid 6038] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6042] <... setpgid resumed>) = 0 [pid 6041] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6044 attached ) = 1 [pid 6036] <... futex resumed>) = 0 [pid 6044] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6043] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6041] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6036] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] <... rseq resumed>) = 0 [pid 6041] <... ioctl resumed>) = 0 [pid 6040] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6036] <... futex resumed>) = 0 [pid 6044] set_robust_list(0x7ff12c97c9a0, 24 [pid 6042] <... openat resumed>) = 3 [pid 6041] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6044] <... set_robust_list resumed>) = 0 [pid 6043] <... prctl resumed>) = 0 [pid 6041] <... futex resumed>) = 0 [pid 6040] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6038] <... clone3 resumed> => {parent_tid=[6044]}, 88) = 6044 [pid 6036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6044] rt_sigprocmask(SIG_SETMASK, [], [pid 6043] setpgid(0, 0 [pid 6042] write(3, "1000", 4 [pid 6041] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6038] rt_sigprocmask(SIG_SETMASK, [], [pid 6036] exit_group(0 [pid 6044] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6043] <... setpgid resumed>) = 0 [pid 6042] <... write resumed>) = 4 [pid 6041] <... futex resumed>) = ? [pid 6036] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6045 attached [pid 6044] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6042] close(3 [pid 6041] +++ exited with 0 +++ [pid 6038] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6036] +++ exited with 0 +++ [pid 6045] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6042] <... close resumed>) = 0 [pid 6038] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] <... rseq resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6036, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6045] set_robust_list(0x7ff12c97c9a0, 24 [pid 6044] <... futex resumed>) = 0 [pid 6043] <... openat resumed>) = 3 [pid 6040] <... clone3 resumed> => {parent_tid=[6045]}, 88) = 6045 [pid 6042] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] <... futex resumed>) = 1 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 6045] <... set_robust_list resumed>) = 0 [pid 6044] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6042] <... futex resumed>) = 0 [pid 6040] rt_sigprocmask(SIG_SETMASK, [], [pid 6038] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] <... restart_syscall resumed>) = 0 [pid 6045] rt_sigprocmask(SIG_SETMASK, [], [pid 6044] <... openat resumed>) = 3 [pid 6043] write(3, "1000", 4 [pid 6042] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6045] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6044] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] <... write resumed>) = 4 [pid 6042] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6040] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6044] <... futex resumed>) = 1 [pid 6043] close(3 [pid 6042] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6040] <... futex resumed>) = 0 [pid 6038] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6046 attached [pid 6045] <... openat resumed>) = 3 [pid 6044] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6043] <... close resumed>) = 0 [pid 6042] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6040] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6038] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6038] <... futex resumed>) = 0 [pid 6046] set_robust_list(0x555581d606a0, 24 [pid 6038] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6045] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... set_robust_list resumed>) = 0 [pid 6044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6043] <... futex resumed>) = 0 [pid 6042] <... mmap resumed>) = 0x7ff12c95c000 [pid 6045] <... futex resumed>) = 1 [pid 6044] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6043] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6040] <... futex resumed>) = 0 [pid 6046] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6045] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6044] <... ioctl resumed>) = 0 [pid 6043] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6042] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6040] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6046 [pid 6045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6044] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... futex resumed>) = 0 [pid 6045] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6044] <... futex resumed>) = 1 [pid 6043] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6040] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6038] <... futex resumed>) = 0 [pid 6046] <... prctl resumed>) = 0 [pid 6045] <... ioctl resumed>) = 0 [pid 6044] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6042] <... mprotect resumed>) = 0 [pid 6038] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6046] setpgid(0, 0 [pid 6045] <... futex resumed>) = 1 [pid 6044] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6040] <... futex resumed>) = 0 [pid 6038] <... futex resumed>) = 0 [pid 6046] <... setpgid resumed>) = 0 [pid 6045] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6044] <... ioctl resumed>) = 0 [pid 6042] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6040] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6044] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... futex resumed>) = 0 [pid 6038] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6042] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6045] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6044] <... futex resumed>) = 0 [pid 6043] <... mmap resumed>) = 0x7ff12c95c000 [pid 6042] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6040] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6045] <... ioctl resumed>) = 0 [pid 6044] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6045] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6040] <... futex resumed>) = 0 [pid 6045] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] exit_group(0 [pid 6045] <... futex resumed>) = ? [pid 6040] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6047 attached [pid 6046] <... openat resumed>) = 3 [pid 6045] +++ exited with 0 +++ [pid 6043] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6040] +++ exited with 0 +++ [pid 6038] exit_group(0 [pid 6047] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6044] <... futex resumed>) = ? [pid 6038] <... exit_group resumed>) = ? [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6040, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6046] write(3, "1000", 4 [pid 6047] <... rseq resumed>) = 0 [pid 6044] +++ exited with 0 +++ [pid 6043] <... mprotect resumed>) = 0 [pid 6047] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6047] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6046] <... write resumed>) = 4 [pid 6043] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6042] <... clone3 resumed> => {parent_tid=[6047]}, 88) = 6047 [pid 6038] +++ exited with 0 +++ ./strace-static-x86_64: Process 6048 attached [pid 6047] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] close(3) = 0 [pid 6042] rt_sigprocmask(SIG_SETMASK, [], [pid 6043] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6038, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6042] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6046] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... futex resumed>) = 0 [pid 6043] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6042] <... futex resumed>) = 1 [pid 6046] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6047] <... futex resumed>) = 0 [pid 6042] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6049 attached [pid 6046] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6049] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6046] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6049] <... rseq resumed>) = 0 [pid 6043] <... clone3 resumed> => {parent_tid=[6049]}, 88) = 6049 [pid 6049] set_robust_list(0x7ff12c97c9a0, 24 [pid 6046] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6049] <... set_robust_list resumed>) = 0 [pid 6048] set_robust_list(0x555581d606a0, 24 [pid 6047] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6046] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6043] rt_sigprocmask(SIG_SETMASK, [], [pid 6049] rt_sigprocmask(SIG_SETMASK, [], [pid 6048] <... set_robust_list resumed>) = 0 [pid 6047] <... openat resumed>) = 3 [pid 6046] <... mmap resumed>) = 0x7ff12c95c000 [pid 6043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6048] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6047] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6048 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6050 attached [pid 6049] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6048] <... prctl resumed>) = 0 [pid 6047] <... futex resumed>) = 1 [pid 6046] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6043] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... futex resumed>) = 0 [pid 6048] setpgid(0, 0 [pid 6047] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6042] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] <... openat resumed>) = 3 [pid 6043] <... futex resumed>) = 0 [pid 6046] <... mprotect resumed>) = 0 [pid 6048] <... setpgid resumed>) = 0 [pid 6047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6047] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6047] <... ioctl resumed>) = 0 [pid 6050] set_robust_list(0x555581d606a0, 24 [pid 6048] <... openat resumed>) = 3 [pid 6047] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... futex resumed>) = 0 [pid 6047] <... futex resumed>) = 0 [pid 6043] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6049] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6050] <... set_robust_list resumed>) = 0 [pid 6046] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6042] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6049] <... futex resumed>) = 0 [pid 6048] write(3, "1000", 4 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6050 [pid 6050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6049] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6048] <... write resumed>) = 4 [pid 6046] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6043] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6048] close(3 [pid 6043] <... futex resumed>) = 0 [pid 6042] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] <... ioctl resumed>) = 0 [pid 6048] <... close resumed>) = 0 [pid 6047] <... futex resumed>) = 0 [pid 6046] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6043] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6042] <... futex resumed>) = 1 [pid 6050] <... prctl resumed>) = 0 [pid 6049] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6048] <... futex resumed>) = 0 [pid 6047] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6051 attached [pid 6049] <... futex resumed>) = 0 [pid 6048] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6047] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6042] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6050] setpgid(0, 0 [pid 6051] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6049] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6048] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6047] <... futex resumed>) = 0 [pid 6051] <... rseq resumed>) = 0 [pid 6050] <... setpgid resumed>) = 0 [pid 6048] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6047] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6043] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6051] set_robust_list(0x7ff12c97c9a0, 24 [pid 6050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6046] <... clone3 resumed> => {parent_tid=[6051]}, 88) = 6051 [pid 6043] <... futex resumed>) = 0 [pid 6042] exit_group(0 [pid 6051] <... set_robust_list resumed>) = 0 [pid 6049] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6047] <... futex resumed>) = ? [pid 6043] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6042] <... exit_group resumed>) = ? [pid 6051] rt_sigprocmask(SIG_SETMASK, [], [pid 6049] <... ioctl resumed>) = 0 [pid 6048] <... mmap resumed>) = 0x7ff12c95c000 [pid 6047] +++ exited with 0 +++ [pid 6051] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6051] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6048] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6048] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6048] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6042] +++ exited with 0 +++ [pid 6049] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6052 attached [pid 6050] <... openat resumed>) = 3 [pid 6049] <... futex resumed>) = 1 [pid 6046] rt_sigprocmask(SIG_SETMASK, [], [pid 6043] <... futex resumed>) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6042, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6052] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6050] write(3, "1000", 4 [pid 6049] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6048] <... clone3 resumed> => {parent_tid=[6052]}, 88) = 6052 [pid 6046] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 6052] <... rseq resumed>) = 0 [pid 6050] <... write resumed>) = 4 [pid 6048] rt_sigprocmask(SIG_SETMASK, [], [pid 6046] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] exit_group(0 [pid 5066] <... restart_syscall resumed>) = 0 [pid 6052] set_robust_list(0x7ff12c97c9a0, 24 [pid 6051] <... futex resumed>) = 0 [pid 6050] close(3 [pid 6049] <... futex resumed>) = ? [pid 6048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6046] <... futex resumed>) = 1 [pid 6043] <... exit_group resumed>) = ? [pid 6052] <... set_robust_list resumed>) = 0 [pid 6051] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6049] +++ exited with 0 +++ [pid 6048] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6052] rt_sigprocmask(SIG_SETMASK, [], [pid 6048] <... futex resumed>) = 0 [pid 6052] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6051] <... openat resumed>) = 3 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6052] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6050] <... close resumed>) = 0 [pid 6048] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6043] +++ exited with 0 +++ [pid 6052] <... openat resumed>) = 3 [pid 6050] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6043, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6052] <... futex resumed>) = 1 [pid 6048] <... futex resumed>) = 0 [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 6052] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6048] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... restart_syscall resumed>) = 0 [pid 6048] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6053 attached [pid 6052] <... ioctl resumed>) = 0 [pid 6050] <... futex resumed>) = 0 [pid 6048] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6053] set_robust_list(0x555581d606a0, 24 [pid 6052] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... set_robust_list resumed>) = 0 [pid 6052] <... futex resumed>) = 1 [pid 6048] <... futex resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6054 attached [pid 6053] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6052] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6051] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6048] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6053 [pid 6051] <... futex resumed>) = 1 [pid 6050] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6046] <... futex resumed>) = 0 [pid 6051] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6050] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6046] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] set_robust_list(0x555581d606a0, 24 [pid 6053] <... prctl resumed>) = 0 [pid 6052] <... ioctl resumed>) = 0 [pid 6051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6048] <... futex resumed>) = 0 [pid 6046] <... futex resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6054 [pid 6054] <... set_robust_list resumed>) = 0 [pid 6053] setpgid(0, 0 [pid 6052] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6048] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6046] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6053] <... setpgid resumed>) = 0 [pid 6052] <... futex resumed>) = 0 [pid 6050] <... mmap resumed>) = 0x7ff12c95c000 [pid 6048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6051] <... ioctl resumed>) = 0 [pid 6054] <... prctl resumed>) = 0 [pid 6053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6052] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6050] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6051] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] exit_group(0 [pid 6054] setpgid(0, 0 [pid 6053] <... openat resumed>) = 3 [pid 6052] <... futex resumed>) = ? [pid 6051] <... futex resumed>) = 1 [pid 6050] <... mprotect resumed>) = 0 [pid 6048] <... exit_group resumed>) = ? [pid 6046] <... futex resumed>) = 0 [pid 6054] <... setpgid resumed>) = 0 [pid 6052] +++ exited with 0 +++ [pid 6051] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6050] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6048] +++ exited with 0 +++ [pid 6046] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6053] write(3, "1000", 4 [pid 6051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6050] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6046] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6048, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6054] <... openat resumed>) = 3 [pid 6053] <... write resumed>) = 4 [pid 6051] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6050] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6046] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6055 attached [pid 6054] write(3, "1000", 4 [pid 6053] close(3 [pid 6051] <... ioctl resumed>) = 0 [pid 6055] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6054] <... write resumed>) = 4 [pid 6053] <... close resumed>) = 0 [pid 6051] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] <... clone3 resumed> => {parent_tid=[6055]}, 88) = 6055 [pid 6055] <... rseq resumed>) = 0 [pid 6054] close(3 [pid 6053] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] <... futex resumed>) = 1 [pid 6050] rt_sigprocmask(SIG_SETMASK, [], [pid 6046] <... futex resumed>) = 0 [pid 6055] set_robust_list(0x7ff12c97c9a0, 24 [pid 6054] <... close resumed>) = 0 [pid 6053] <... futex resumed>) = 0 [pid 6051] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6046] exit_group(0 [pid 6055] <... set_robust_list resumed>) = 0 [pid 6054] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6051] <... futex resumed>) = ? [pid 6050] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... exit_group resumed>) = ? [pid 6055] rt_sigprocmask(SIG_SETMASK, [], [pid 6054] <... futex resumed>) = 0 [pid 6051] +++ exited with 0 +++ [pid 6050] <... futex resumed>) = 0 [pid 6053] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6053] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6054] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6046] +++ exited with 0 +++ [pid 6050] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6055] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6054] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6054] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 6056 attached [pid 6055] <... openat resumed>) = 3 [pid 6054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6056] set_robust_list(0x555581d606a0, 24 [pid 6055] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6053] <... mmap resumed>) = 0x7ff12c95c000 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6046, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6056] <... set_robust_list resumed>) = 0 [pid 6055] <... futex resumed>) = 1 [pid 6054] <... mmap resumed>) = 0x7ff12c95c000 [pid 6053] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6050] <... futex resumed>) = 0 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6056 [pid 6056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6055] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6054] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6053] <... mprotect resumed>) = 0 [pid 6050] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... restart_syscall resumed>) = 0 [pid 6056] <... prctl resumed>) = 0 [pid 6055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6054] <... mprotect resumed>) = 0 [pid 6053] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6050] <... futex resumed>) = 0 [pid 6056] setpgid(0, 0 [pid 6055] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6054] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6050] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6056] <... setpgid resumed>) = 0 [pid 6055] <... ioctl resumed>) = 0 [pid 6054] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6053] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6055] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6053] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 6057 attached ./strace-static-x86_64: Process 6058 attached [pid 6056] <... openat resumed>) = 3 [pid 6055] <... futex resumed>) = 1 [pid 6050] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6058] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6057] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6055] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6054] <... clone3 resumed> => {parent_tid=[6057]}, 88) = 6057 [pid 6050] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6059 attached [pid 6058] <... rseq resumed>) = 0 [pid 6057] <... rseq resumed>) = 0 [pid 6056] write(3, "1000", 4 [pid 6055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6054] rt_sigprocmask(SIG_SETMASK, [], [pid 6053] <... clone3 resumed> => {parent_tid=[6058]}, 88) = 6058 [pid 6050] <... futex resumed>) = 0 [pid 6056] <... write resumed>) = 4 [pid 6053] rt_sigprocmask(SIG_SETMASK, [], [pid 6059] set_robust_list(0x555581d606a0, 24 [pid 6058] set_robust_list(0x7ff12c97c9a0, 24 [pid 6057] set_robust_list(0x7ff12c97c9a0, 24 [pid 6055] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6050] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6059] <... set_robust_list resumed>) = 0 [pid 6058] <... set_robust_list resumed>) = 0 [pid 6057] <... set_robust_list resumed>) = 0 [pid 6056] close(3 [pid 6055] <... ioctl resumed>) = 0 [pid 6054] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6059] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6058] rt_sigprocmask(SIG_SETMASK, [], [pid 6057] rt_sigprocmask(SIG_SETMASK, [], [pid 6055] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] <... futex resumed>) = 0 [pid 6058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6055] <... futex resumed>) = 1 [pid 6054] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6050] <... futex resumed>) = 0 [pid 6059] <... prctl resumed>) = 0 [pid 6058] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6057] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6056] <... close resumed>) = 0 [pid 6055] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6053] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] exit_group(0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6059 [pid 6059] setpgid(0, 0 [pid 6058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6057] <... openat resumed>) = 3 [pid 6056] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... futex resumed>) = ? [pid 6053] <... futex resumed>) = 0 [pid 6050] <... exit_group resumed>) = ? [pid 6058] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6056] <... futex resumed>) = 0 [pid 6055] +++ exited with 0 +++ [pid 6053] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6056] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 6056] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6059] <... setpgid resumed>) = 0 [pid 6058] <... openat resumed>) = 3 [pid 6057] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6058] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... futex resumed>) = 1 [pid 6054] <... futex resumed>) = 0 [pid 6059] <... openat resumed>) = 3 [pid 6058] <... futex resumed>) = 1 [pid 6057] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6054] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... futex resumed>) = 0 [pid 6059] write(3, "1000", 4 [pid 6058] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6056] <... mmap resumed>) = 0x7ff12c95c000 [pid 6054] <... futex resumed>) = 0 [pid 6053] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] +++ exited with 0 +++ [pid 6059] <... write resumed>) = 4 [pid 6058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6057] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6056] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6054] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6053] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6050, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6059] close(3 [pid 6058] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6057] <... ioctl resumed>) = 0 [pid 6053] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6056] <... mprotect resumed>) = 0 [pid 6059] <... close resumed>) = 0 [pid 6058] <... ioctl resumed>) = 0 [pid 6057] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... futex resumed>) = 1 [pid 6054] <... futex resumed>) = 0 [pid 6059] <... futex resumed>) = 0 [pid 6058] <... futex resumed>) = 0 [pid 6057] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6054] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6058] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6054] <... futex resumed>) = 0 [pid 6059] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6057] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6054] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6059] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6057] <... ioctl resumed>) = 0 [pid 6059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6057] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6057] <... futex resumed>) = 1 [pid 6054] <... futex resumed>) = 0 [pid 6059] <... mmap resumed>) = 0x7ff12c95c000 [pid 6057] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6056] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6054] exit_group(0 [pid 6053] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6059] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6058] <... futex resumed>) = 0 [pid 6057] <... futex resumed>) = ? [pid 6056] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6054] <... exit_group resumed>) = ? [pid 6053] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6061 attached [pid 6059] <... mprotect resumed>) = 0 [pid 6058] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6057] +++ exited with 0 +++ [pid 6054] +++ exited with 0 +++ ./strace-static-x86_64: Process 6062 attached [pid 6061] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6059] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6058] <... ioctl resumed>) = 0 [pid 6056] <... clone3 resumed> => {parent_tid=[6061]}, 88) = 6061 [pid 6053] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6062 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6054, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6062] set_robust_list(0x555581d606a0, 24 [pid 6061] <... rseq resumed>) = 0 [pid 6056] rt_sigprocmask(SIG_SETMASK, [], [pid 6062] <... set_robust_list resumed>) = 0 [pid 6061] set_robust_list(0x7ff12c97c9a0, 24 [pid 6059] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6058] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6061] <... set_robust_list resumed>) = 0 [pid 6059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6058] <... futex resumed>) = 1 [pid 6056] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6063 attached [pid 6062] <... prctl resumed>) = 0 [pid 6061] rt_sigprocmask(SIG_SETMASK, [], [pid 6058] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6056] <... futex resumed>) = 0 [pid 6053] exit_group(0 [pid 6063] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6062] setpgid(0, 0 [pid 6061] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6059] <... clone3 resumed> => {parent_tid=[6063]}, 88) = 6063 [pid 6058] <... futex resumed>) = ? [pid 6056] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6053] <... exit_group resumed>) = ? [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6063] <... rseq resumed>) = 0 [pid 6061] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6059] rt_sigprocmask(SIG_SETMASK, [], [pid 6058] +++ exited with 0 +++ [pid 6063] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 6061] <... openat resumed>) = 3 [pid 6059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6063] rt_sigprocmask(SIG_SETMASK, [], [pid 6059] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6059] <... futex resumed>) = 0 [pid 6061] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6061] <... futex resumed>) = 0 [pid 6059] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] <... openat resumed>) = 3 [pid 6061] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6063] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6064 attached [pid 6062] <... setpgid resumed>) = 0 [pid 6056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6053] +++ exited with 0 +++ [pid 6056] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6064] set_robust_list(0x555581d606a0, 24 [pid 6063] <... futex resumed>) = 1 [pid 6061] <... futex resumed>) = 0 [pid 6062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6059] <... futex resumed>) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6053, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6064] <... set_robust_list resumed>) = 0 [pid 6063] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6061] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6059] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6064 [pid 6064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6062] <... openat resumed>) = 3 [pid 6061] <... ioctl resumed>) = 0 [pid 6059] <... futex resumed>) = 0 [pid 6064] <... prctl resumed>) = 0 [pid 6063] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6061] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] write(3, "1000", 4 [pid 6059] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6064] setpgid(0, 0 [pid 6063] <... ioctl resumed>) = 0 [pid 6062] <... write resumed>) = 4 [pid 6061] <... futex resumed>) = 1 [pid 6056] <... futex resumed>) = 0 [pid 6064] <... setpgid resumed>) = 0 [pid 6063] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] close(3 [pid 6061] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6056] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... close resumed>) = 0 [pid 6061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6056] <... futex resumed>) = 0 [pid 6064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6063] <... futex resumed>) = 1 [pid 6062] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6059] <... futex resumed>) = 0 [pid 6056] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6065 attached [pid 6063] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6062] <... futex resumed>) = 0 [pid 6061] <... ioctl resumed>) = 0 [pid 6059] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] set_robust_list(0x555581d606a0, 24 [pid 6063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6062] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 6062] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6065] <... set_robust_list resumed>) = 0 [pid 6064] <... openat resumed>) = 3 [pid 6063] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6061] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... futex resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6065 [pid 6065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6059] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6065] <... prctl resumed>) = 0 [pid 6064] write(3, "1000", 4 [pid 6063] <... ioctl resumed>) = 0 [pid 6061] <... futex resumed>) = 1 [pid 6056] <... futex resumed>) = 0 [pid 6065] setpgid(0, 0 [pid 6064] <... write resumed>) = 4 [pid 6063] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... mmap resumed>) = 0x7ff12c95c000 [pid 6061] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6056] exit_group(0 [pid 6065] <... setpgid resumed>) = 0 [pid 6064] close(3 [pid 6063] <... futex resumed>) = 1 [pid 6062] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6061] <... futex resumed>) = ? [pid 6059] <... futex resumed>) = 0 [pid 6056] <... exit_group resumed>) = ? [pid 6065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6064] <... close resumed>) = 0 [pid 6063] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6062] <... mprotect resumed>) = 0 [pid 6062] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6065] <... openat resumed>) = 3 [pid 6064] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] +++ exited with 0 +++ [pid 6059] exit_group(0 [pid 6056] +++ exited with 0 +++ [pid 6065] write(3, "1000", 4 [pid 6064] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = ? [pid 6062] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6059] <... exit_group resumed>) = ? [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6056, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6066 attached [pid 6065] <... write resumed>) = 4 [pid 6064] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6063] +++ exited with 0 +++ [pid 6059] +++ exited with 0 +++ [pid 6066] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6065] close(3 [pid 6064] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6062] <... clone3 resumed> => {parent_tid=[6066]}, 88) = 6066 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6059, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6066] <... rseq resumed>) = 0 [pid 6065] <... close resumed>) = 0 [pid 6064] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6062] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6066] set_robust_list(0x7ff12c97c9a0, 24 [pid 6065] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6062] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6067 attached [pid 6066] <... set_robust_list resumed>) = 0 [pid 6065] <... futex resumed>) = 0 [pid 6064] <... mmap resumed>) = 0x7ff12c95c000 [pid 6062] <... futex resumed>) = 0 [pid 6065] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6066] rt_sigprocmask(SIG_SETMASK, [], [pid 6065] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6067] set_robust_list(0x555581d606a0, 24 [pid 6064] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6062] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6068 attached [pid 6067] <... set_robust_list resumed>) = 0 [pid 6066] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6065] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6064] <... mprotect resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6067 [pid 6067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6066] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6064] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6068] set_robust_list(0x555581d606a0, 24 [pid 6067] <... prctl resumed>) = 0 [pid 6065] <... mmap resumed>) = 0x7ff12c95c000 [pid 6064] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6068 [pid 6067] setpgid(0, 0 [pid 6065] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6064] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6068] <... set_robust_list resumed>) = 0 [pid 6067] <... setpgid resumed>) = 0 [pid 6066] <... openat resumed>) = 3 [pid 6065] <... mprotect resumed>) = 0 [pid 6068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6065] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6066] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6069 attached [pid 6068] <... prctl resumed>) = 0 [pid 6067] <... openat resumed>) = 3 [pid 6069] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6066] <... futex resumed>) = 1 [pid 6065] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6062] <... futex resumed>) = 0 [pid 6069] <... rseq resumed>) = 0 [pid 6068] setpgid(0, 0 [pid 6067] write(3, "1000", 4 [pid 6064] <... clone3 resumed> => {parent_tid=[6069]}, 88) = 6069 [pid 6062] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] set_robust_list(0x7ff12c97c9a0, 24 [pid 6067] <... write resumed>) = 4 [pid 6064] rt_sigprocmask(SIG_SETMASK, [], [pid 6062] <... futex resumed>) = 0 [pid 6069] <... set_robust_list resumed>) = 0 [pid 6067] close(3 [pid 6064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6062] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] rt_sigprocmask(SIG_SETMASK, [], [pid 6067] <... close resumed>) = 0 [pid 6064] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6067] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] <... futex resumed>) = 0 [pid 6069] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6067] <... futex resumed>) = 0 [pid 6064] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] <... openat resumed>) = 3 [pid 6067] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 6067] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6069] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6069] <... futex resumed>) = 1 [pid 6067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6064] <... futex resumed>) = 0 [pid 6069] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] <... mmap resumed>) = 0x7ff12c95c000 [pid 6069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6064] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6067] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6064] <... futex resumed>) = 0 [pid 6069] <... ioctl resumed>) = 0 [pid 6067] <... mprotect resumed>) = 0 [pid 6064] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6069] <... futex resumed>) = 0 [pid 6067] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6064] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] ioctl(3, SNDRV_TIMER_IOCTL_START, 0) = 0 [pid 6069] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] <... futex resumed>) = 0 [pid 6069] <... futex resumed>) = 0 [pid 6067] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6064] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6064] exit_group(0 [pid 6069] <... futex resumed>) = ? [pid 6064] <... exit_group resumed>) = ? [pid 6068] <... setpgid resumed>) = 0 [pid 6066] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 6071 attached ./strace-static-x86_64: Process 6070 attached [pid 6069] +++ exited with 0 +++ [pid 6068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6067] <... clone3 resumed> => {parent_tid=[6070]}, 88) = 6070 [pid 6066] <... ioctl resumed>) = 0 [pid 6064] +++ exited with 0 +++ [pid 6070] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6067] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6064, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6065] <... clone3 resumed> => {parent_tid=[6071]}, 88) = 6071 [pid 6071] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6070] <... rseq resumed>) = 0 [pid 6068] <... openat resumed>) = 3 [pid 6067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6066] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] rt_sigprocmask(SIG_SETMASK, [], [pid 6071] <... rseq resumed>) = 0 [pid 6070] set_robust_list(0x7ff12c97c9a0, 24 [pid 6068] write(3, "1000", 4 [pid 6067] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] <... futex resumed>) = 1 [pid 6065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6062] <... futex resumed>) = 0 [pid 6070] <... set_robust_list resumed>) = 0 [pid 6067] <... futex resumed>) = 0 [pid 6062] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] rt_sigprocmask(SIG_SETMASK, [], [pid 6067] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6066] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6068] <... write resumed>) = 4 [pid 6071] set_robust_list(0x7ff12c97c9a0, 24 [pid 6065] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... futex resumed>) = 0 [pid 6071] <... set_robust_list resumed>) = 0 [pid 6070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6068] close(3 [pid 6066] <... ioctl resumed>) = 0 [pid 6065] <... futex resumed>) = 0 [pid 6062] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6071] rt_sigprocmask(SIG_SETMASK, [], [pid 6070] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6068] <... close resumed>) = 0 [pid 6066] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6070] <... openat resumed>) = 3 [pid 6068] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] <... futex resumed>) = 0 [pid 6062] exit_group(0) = ? [pid 6070] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6067] <... futex resumed>) = 0 [pid 6070] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6067] <... futex resumed>) = 0 [pid 6070] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6067] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6070] <... ioctl resumed>) = 0 [pid 6070] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] <... futex resumed>) = 0 [pid 6070] <... futex resumed>) = 1 [pid 6067] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6067] <... futex resumed>) = 0 [pid 6070] <... ioctl resumed>) = 0 [pid 6067] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6071] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6068] <... futex resumed>) = 0 [pid 6070] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6067] <... futex resumed>) = 0 [pid 6070] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] exit_group(0 [pid 6070] <... futex resumed>) = ? [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6071] <... openat resumed>) = 3 [pid 6068] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 6068] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 6072 attached [pid 6071] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6072] set_robust_list(0x555581d606a0, 24 [pid 6071] <... futex resumed>) = 1 [pid 6070] +++ exited with 0 +++ [pid 6067] <... exit_group resumed>) = ? [pid 6066] +++ exited with 0 +++ [pid 6065] <... futex resumed>) = 0 [pid 6062] +++ exited with 0 +++ [pid 6068] <... mmap resumed>) = 0x7ff12c95c000 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6072 [pid 6072] <... set_robust_list resumed>) = 0 [pid 6071] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6067] +++ exited with 0 +++ [pid 6065] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6062, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6068] <... mprotect resumed>) = 0 [pid 6065] <... futex resumed>) = 0 [pid 6072] <... prctl resumed>) = 0 [pid 6071] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6065] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6067, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6072] setpgid(0, 0 [pid 6071] <... ioctl resumed>) = 0 [pid 6068] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6072] <... setpgid resumed>) = 0 [pid 6071] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6073 attached [pid 6071] <... futex resumed>) = 1 [pid 6068] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6065] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6073 [pid 6073] set_robust_list(0x555581d606a0, 24 [pid 6072] <... openat resumed>) = 3 [pid 6071] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6065] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... set_robust_list resumed>) = 0 [pid 6071] <... ioctl resumed>) = 0 [pid 6065] <... futex resumed>) = 0 [pid 6071] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6074 attached ./strace-static-x86_64: Process 6075 attached [pid 6073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6072] write(3, "1000", 4 [pid 6071] <... futex resumed>) = 0 [pid 6068] <... clone3 resumed> => {parent_tid=[6074]}, 88) = 6074 [pid 6065] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6075] set_robust_list(0x555581d606a0, 24 [pid 6074] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6073] <... prctl resumed>) = 0 [pid 6072] <... write resumed>) = 4 [pid 6071] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6075] <... set_robust_list resumed>) = 0 [pid 6074] <... rseq resumed>) = 0 [pid 6072] close(3 [pid 6073] setpgid(0, 0 [pid 6068] rt_sigprocmask(SIG_SETMASK, [], [pid 6065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6075 [pid 6075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6074] set_robust_list(0x7ff12c97c9a0, 24 [pid 6073] <... setpgid resumed>) = 0 [pid 6072] <... close resumed>) = 0 [pid 6068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6065] exit_group(0 [pid 6075] <... prctl resumed>) = 0 [pid 6074] <... set_robust_list resumed>) = 0 [pid 6073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6072] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] <... futex resumed>) = ? [pid 6068] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... exit_group resumed>) = ? [pid 6075] setpgid(0, 0 [pid 6074] rt_sigprocmask(SIG_SETMASK, [], [pid 6072] <... futex resumed>) = 0 [pid 6074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6071] +++ exited with 0 +++ [pid 6075] <... setpgid resumed>) = 0 [pid 6068] <... futex resumed>) = 0 [pid 6075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6074] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6072] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6068] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6074] <... openat resumed>) = 3 [pid 6072] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6072] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6074] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6073] <... openat resumed>) = 3 [pid 6072] <... mmap resumed>) = 0x7ff12c95c000 [pid 6068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6065] +++ exited with 0 +++ [pid 6074] <... futex resumed>) = 0 [pid 6075] <... openat resumed>) = 3 [pid 6074] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6073] write(3, "1000", 4 [pid 6072] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6068] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6065, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6075] write(3, "1000", 4 [pid 6074] <... ioctl resumed>) = 0 [pid 6073] <... write resumed>) = 4 [pid 6072] <... mprotect resumed>) = 0 [pid 6068] <... futex resumed>) = 0 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 6075] <... write resumed>) = 4 [pid 6074] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] close(3 [pid 5066] <... restart_syscall resumed>) = 0 [pid 6075] close(3 [pid 6074] <... futex resumed>) = 0 [pid 6073] <... close resumed>) = 0 [pid 6072] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6068] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6075] <... close resumed>) = 0 [pid 6074] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6073] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6073] <... futex resumed>) = 0 [pid 6073] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6068] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6072] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6076 attached ./strace-static-x86_64: Process 6077 attached [pid 6075] <... futex resumed>) = 0 [pid 6074] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6073] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6068] <... futex resumed>) = 0 [pid 6077] set_robust_list(0x555581d606a0, 24 [pid 6076] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6075] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6074] <... ioctl resumed>) = 0 [pid 6073] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6068] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6077] <... set_robust_list resumed>) = 0 [pid 6076] <... rseq resumed>) = 0 [pid 6076] set_robust_list(0x7ff12c97c9a0, 24 [pid 6075] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6074] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] <... clone3 resumed> => {parent_tid=[6076]}, 88) = 6076 [pid 6077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6076] <... set_robust_list resumed>) = 0 [pid 6075] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6074] <... futex resumed>) = 0 [pid 6073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6072] rt_sigprocmask(SIG_SETMASK, [], [pid 6068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6077 [pid 6077] <... prctl resumed>) = 0 [pid 6076] rt_sigprocmask(SIG_SETMASK, [], [pid 6075] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6074] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6068] exit_group(0 [pid 6077] setpgid(0, 0 [pid 6076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6072] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... mmap resumed>) = 0x7ff12c95c000 [pid 6077] <... setpgid resumed>) = 0 [pid 6076] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6075] <... mmap resumed>) = 0x7ff12c95c000 [pid 6074] <... futex resumed>) = ? [pid 6072] <... futex resumed>) = 0 [pid 6068] <... exit_group resumed>) = ? [pid 6073] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6076] <... openat resumed>) = 3 [pid 6075] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6074] +++ exited with 0 +++ [pid 6072] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6075] <... mprotect resumed>) = 0 [pid 6075] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6073] <... mprotect resumed>) = 0 [pid 6077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6076] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6075] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6076] <... futex resumed>) = 1 [pid 6073] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6072] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6078 attached [pid 6075] <... clone3 resumed> => {parent_tid=[6078]}, 88) = 6078 [pid 6072] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6075] rt_sigprocmask(SIG_SETMASK, [], [pid 6072] <... futex resumed>) = 0 [pid 6078] <... rseq resumed>) = 0 [pid 6075] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6072] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6078] set_robust_list(0x7ff12c97c9a0, 24 [pid 6075] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] <... set_robust_list resumed>) = 0 [pid 6075] <... futex resumed>) = 0 [pid 6078] rt_sigprocmask(SIG_SETMASK, [], [pid 6075] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6076] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6068] +++ exited with 0 +++ [pid 6078] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6076] <... ioctl resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6068, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6078] <... openat resumed>) = 3 [pid 6077] <... openat resumed>) = 3 [pid 6076] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 6078] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] <... futex resumed>) = 0 [pid 6078] <... futex resumed>) = 1 [pid 6077] write(3, "1000", 4 [pid 6076] <... futex resumed>) = 1 [pid 6075] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6072] <... futex resumed>) = 0 [pid 5072] <... restart_syscall resumed>) = 0 [pid 6078] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6077] <... write resumed>) = 4 [pid 6076] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6075] <... futex resumed>) = 0 [pid 6072] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6079 attached [pid 6078] <... ioctl resumed>) = 0 [pid 6077] close(3 [pid 6076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6075] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6072] <... futex resumed>) = 0 [pid 6079] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6078] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] <... close resumed>) = 0 [pid 6076] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6073] <... clone3 resumed> => {parent_tid=[6079]}, 88) = 6079 [pid 6072] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6079] <... rseq resumed>) = 0 [pid 6078] <... futex resumed>) = 1 [pid 6075] <... futex resumed>) = 0 [pid 6079] set_robust_list(0x7ff12c97c9a0, 24 [pid 6078] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6077] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... ioctl resumed>) = 0 [pid 6075] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6079] <... set_robust_list resumed>) = 0 [pid 6078] <... ioctl resumed>) = 0 [pid 6077] <... futex resumed>) = 0 [pid 6076] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] <... futex resumed>) = 0 [pid 6073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6079] rt_sigprocmask(SIG_SETMASK, [], [pid 6078] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6076] <... futex resumed>) = 1 [pid 6075] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] <... futex resumed>) = 0 [pid 6079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6078] <... futex resumed>) = 0 [pid 6077] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6076] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6073] <... futex resumed>) = 0 [pid 6072] exit_group(0 [pid 6079] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6078] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6077] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6076] <... futex resumed>) = ? [pid 6075] exit_group(0 [pid 6073] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6072] <... exit_group resumed>) = ? [pid 6077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6076] +++ exited with 0 +++ ./strace-static-x86_64: Process 6080 attached [pid 6079] <... openat resumed>) = 3 [pid 6078] <... futex resumed>) = ? [pid 6077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6075] <... exit_group resumed>) = ? [pid 6072] +++ exited with 0 +++ [pid 6080] set_robust_list(0x555581d606a0, 24 [pid 6079] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] +++ exited with 0 +++ [pid 6077] <... mmap resumed>) = 0x7ff12c95c000 [pid 6075] +++ exited with 0 +++ [pid 6080] <... set_robust_list resumed>) = 0 [pid 6079] <... futex resumed>) = 1 [pid 6077] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6073] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6075, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6072, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6079] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6077] <... mprotect resumed>) = 0 [pid 6073] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6080 [pid 6080] <... prctl resumed>) = 0 [pid 6079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6077] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6073] <... futex resumed>) = 0 [pid 6080] setpgid(0, 0 [pid 6079] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6077] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6073] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6080] <... setpgid resumed>) = 0 [pid 6079] <... ioctl resumed>) = 0 [pid 6077] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6079] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6081 attached [pid 6081] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6077] <... clone3 resumed> => {parent_tid=[6081]}, 88) = 6081 [pid 6081] <... rseq resumed>) = 0 [pid 6077] rt_sigprocmask(SIG_SETMASK, [], [pid 6081] set_robust_list(0x7ff12c97c9a0, 24./strace-static-x86_64: Process 6082 attached ) = 0 [pid 6080] <... openat resumed>) = 3 [pid 6079] <... futex resumed>) = 1 [pid 6077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6073] <... futex resumed>) = 0 [pid 6082] set_robust_list(0x555581d606a0, 24 [pid 6081] rt_sigprocmask(SIG_SETMASK, [], [pid 6080] write(3, "1000", 4 [pid 6079] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6077] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... set_robust_list resumed>) = 0 [pid 6081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6080] <... write resumed>) = 4 [pid 6077] <... futex resumed>) = 0 [pid 6082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6073] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6081] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY./strace-static-x86_64: Process 6083 attached [pid 6082] <... prctl resumed>) = 0 [pid 6080] close(3 [pid 6079] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6077] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] <... futex resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6082 [pid 6083] set_robust_list(0x555581d606a0, 24 [pid 6082] setpgid(0, 0 [pid 6081] <... openat resumed>) = 3 [pid 6080] <... close resumed>) = 0 [pid 6079] <... ioctl resumed>) = 0 [pid 6073] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] <... set_robust_list resumed>) = 0 [pid 6082] <... setpgid resumed>) = 0 [pid 6081] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6073] <... futex resumed>) = 0 [pid 6080] <... futex resumed>) = 0 [pid 6081] <... futex resumed>) = 1 [pid 6083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6081] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6079] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6077] <... futex resumed>) = 0 [pid 6073] exit_group(0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6083 [pid 6083] <... prctl resumed>) = 0 [pid 6082] <... openat resumed>) = 3 [pid 6080] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6079] <... futex resumed>) = ? [pid 6077] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... exit_group resumed>) = ? [pid 6083] setpgid(0, 0 [pid 6082] write(3, "1000", 4 [pid 6081] <... futex resumed>) = 0 [pid 6080] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6079] +++ exited with 0 +++ [pid 6077] <... futex resumed>) = 1 [pid 6073] +++ exited with 0 +++ [pid 6083] <... setpgid resumed>) = 0 [pid 6082] <... write resumed>) = 4 [pid 6081] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6077] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6073, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6082] close(3 [pid 6081] <... ioctl resumed>) = 0 [pid 6080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6082] <... close resumed>) = 0 [pid 6082] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... mmap resumed>) = 0x7ff12c95c000 [pid 6083] <... openat resumed>) = 3 [pid 6082] <... futex resumed>) = 0 [pid 6081] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] write(3, "1000", 4 [pid 6082] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6080] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6077] <... futex resumed>) = 0 [pid 6083] <... write resumed>) = 4 [pid 6082] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6081] <... futex resumed>) = 1 [pid 6077] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... mprotect resumed>) = 0 [pid 6077] <... futex resumed>) = 0 [pid 6083] close(3 [pid 6082] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6081] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6077] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] <... close resumed>) = 0 [pid 6082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6081] <... ioctl resumed>) = 0 [pid 6083] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6081] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6083] <... futex resumed>) = 0 [pid 6082] <... mmap resumed>) = 0x7ff12c95c000 [pid 6081] <... futex resumed>) = 1 [pid 6083] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6082] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6081] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6077] <... futex resumed>) = 0 [pid 6083] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6082] <... mprotect resumed>) = 0 [pid 6080] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6077] exit_group(0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6083] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6082] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6085 attached ./strace-static-x86_64: Process 6084 attached [pid 6083] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6082] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6081] <... futex resumed>) = ? [pid 6077] <... exit_group resumed>) = ? [pid 6085] set_robust_list(0x555581d606a0, 24 [pid 6084] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6082] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6081] +++ exited with 0 +++ [pid 6080] <... clone3 resumed> => {parent_tid=[6084]}, 88) = 6084 [pid 6085] <... set_robust_list resumed>) = 0 [pid 6085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6080] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6085 [pid 6085] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6086 attached [pid 6084] <... rseq resumed>) = 0 [pid 6083] <... mmap resumed>) = 0x7ff12c95c000 [pid 6080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6077] +++ exited with 0 +++ [pid 6084] set_robust_list(0x7ff12c97c9a0, 24 [pid 6083] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6080] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6085] setpgid(0, 0 [pid 6086] <... rseq resumed>) = 0 [pid 6085] <... setpgid resumed>) = 0 [pid 6084] <... set_robust_list resumed>) = 0 [pid 6083] <... mprotect resumed>) = 0 [pid 6082] <... clone3 resumed> => {parent_tid=[6086]}, 88) = 6086 [pid 6080] <... futex resumed>) = 0 [pid 6086] set_robust_list(0x7ff12c97c9a0, 24 [pid 6085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6084] rt_sigprocmask(SIG_SETMASK, [], [pid 6083] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6080] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6082] rt_sigprocmask(SIG_SETMASK, [], [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6077, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6086] <... set_robust_list resumed>) = 0 [pid 6084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6083] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 6086] rt_sigprocmask(SIG_SETMASK, [], [pid 6085] <... openat resumed>) = 3 [pid 6084] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] <... restart_syscall resumed>) = 0 [pid 6086] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6085] write(3, "1000", 4 [pid 6084] <... openat resumed>) = 3 [pid 6083] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6082] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6087 attached [pid 6086] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6085] <... write resumed>) = 4 [pid 6084] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... futex resumed>) = 0 [pid 6087] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6086] <... openat resumed>) = 3 [pid 6085] close(3 [pid 6084] <... futex resumed>) = 1 [pid 6082] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6080] <... futex resumed>) = 0 [pid 6087] <... rseq resumed>) = 0 [pid 6086] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] <... close resumed>) = 0 [pid 6084] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6083] <... clone3 resumed> => {parent_tid=[6087]}, 88) = 6087 [pid 6082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6080] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6087] set_robust_list(0x7ff12c97c9a0, 24 [pid 6086] <... futex resumed>) = 0 [pid 6085] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] <... ioctl resumed>) = 0 [pid 6083] rt_sigprocmask(SIG_SETMASK, [], [pid 6082] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6088 attached [pid 6087] <... set_robust_list resumed>) = 0 [pid 6086] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6085] <... futex resumed>) = 0 [pid 6084] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6082] <... futex resumed>) = 0 [pid 6080] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6084] <... futex resumed>) = 0 [pid 6083] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] set_robust_list(0x555581d606a0, 24 [pid 6084] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6083] <... futex resumed>) = 0 [pid 6080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6088 [pid 6088] <... set_robust_list resumed>) = 0 [pid 6083] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6080] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] rt_sigprocmask(SIG_SETMASK, [], [pid 6086] <... ioctl resumed>) = 0 [pid 6085] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6080] <... futex resumed>) = 1 [pid 6084] <... futex resumed>) = 0 [pid 6088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6086] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6084] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6080] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] <... prctl resumed>) = 0 [pid 6087] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6086] <... futex resumed>) = 1 [pid 6085] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6084] <... ioctl resumed>) = 0 [pid 6082] <... futex resumed>) = 0 [pid 6088] setpgid(0, 0 [pid 6087] <... openat resumed>) = 3 [pid 6086] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6084] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] <... setpgid resumed>) = 0 [pid 6087] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6084] <... futex resumed>) = 1 [pid 6082] <... futex resumed>) = 0 [pid 6080] <... futex resumed>) = 0 [pid 6088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6087] <... futex resumed>) = 1 [pid 6086] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6085] <... mmap resumed>) = 0x7ff12c95c000 [pid 6084] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6083] <... futex resumed>) = 0 [pid 6082] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6080] exit_group(0 [pid 6088] <... openat resumed>) = 3 [pid 6087] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6086] <... ioctl resumed>) = 0 [pid 6085] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6084] <... futex resumed>) = ? [pid 6083] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... exit_group resumed>) = ? [pid 6087] <... ioctl resumed>) = 0 [pid 6086] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] <... mprotect resumed>) = 0 [pid 6084] +++ exited with 0 +++ [pid 6083] <... futex resumed>) = 0 [pid 6086] <... futex resumed>) = 1 [pid 6082] <... futex resumed>) = 0 [pid 6088] write(3, "1000", 4 [pid 6087] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6083] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6082] exit_group(0 [pid 6080] +++ exited with 0 +++ [pid 6088] <... write resumed>) = 4 [pid 6087] <... futex resumed>) = 0 [pid 6086] <... futex resumed>) = ? [pid 6085] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6082] <... exit_group resumed>) = ? [pid 6088] close(3 [pid 6086] +++ exited with 0 +++ [pid 6085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6083] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] <... close resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6080, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6088] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6088] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 6082] +++ exited with 0 +++ [pid 6087] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6089 attached [pid 6088] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6087] <... ioctl resumed>) = 0 [pid 6083] <... futex resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6082, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 6090 attached [pid 6089] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6087] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] <... clone3 resumed> => {parent_tid=[6089]}, 88) = 6089 [pid 6083] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 6090] set_robust_list(0x555581d606a0, 24 [pid 6089] <... rseq resumed>) = 0 [pid 6088] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6087] <... futex resumed>) = 0 [pid 6085] rt_sigprocmask(SIG_SETMASK, [], [pid 6083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6090] <... set_robust_list resumed>) = 0 [pid 6089] set_robust_list(0x7ff12c97c9a0, 24 [pid 6087] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6083] exit_group(0 [pid 6090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6089] <... set_robust_list resumed>) = 0 [pid 6088] <... mmap resumed>) = 0x7ff12c95c000 [pid 6087] <... futex resumed>) = ? [pid 6085] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] <... exit_group resumed>) = ? [pid 5065] <... restart_syscall resumed>) = 0 [pid 6090] <... prctl resumed>) = 0 [pid 6089] rt_sigprocmask(SIG_SETMASK, [], [pid 6088] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6090 [pid 6090] setpgid(0, 0 [pid 6089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6088] <... mprotect resumed>) = 0 [pid 6085] <... futex resumed>) = 0 [pid 6090] <... setpgid resumed>) = 0 [pid 6089] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6088] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6091 attached [pid 6090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6088] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6087] +++ exited with 0 +++ [pid 6089] <... openat resumed>) = 3 [pid 6085] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] +++ exited with 0 +++ [pid 6091] set_robust_list(0x555581d606a0, 24 [pid 6090] <... openat resumed>) = 3 [pid 6089] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6083, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6091] <... set_robust_list resumed>) = 0 [pid 6090] write(3, "1000", 4 [pid 6089] <... futex resumed>) = 1 [pid 6085] <... futex resumed>) = 0 [pid 6089] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... write resumed>) = 4 [pid 6089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6085] <... futex resumed>) = 0 [pid 6090] close(3 [pid 6089] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6085] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6092 attached [pid 6091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6090] <... close resumed>) = 0 [pid 6089] <... ioctl resumed>) = 0 [pid 6092] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6091] <... prctl resumed>) = 0 [pid 6090] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] <... rseq resumed>) = 0 [pid 6090] <... futex resumed>) = 0 [pid 6092] set_robust_list(0x7ff12c97c9a0, 24 [pid 6091] setpgid(0, 0 [pid 6090] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6089] <... futex resumed>) = 1 [pid 6085] <... futex resumed>) = 0 [pid 6092] <... set_robust_list resumed>) = 0 [pid 6091] <... setpgid resumed>) = 0 [pid 6090] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6089] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6090] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6088] <... clone3 resumed> => {parent_tid=[6092]}, 88) = 6092 [pid 6085] <... futex resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6091 [pid 6092] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6089] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6088] rt_sigprocmask(SIG_SETMASK, [], [pid 6085] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6091] <... openat resumed>) = 3 [pid 6090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6089] <... ioctl resumed>) = 0 [pid 6088] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6091] write(3, "1000", 4 [pid 6090] <... mmap resumed>) = 0x7ff12c95c000 [pid 6089] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6093 attached [pid 6092] <... openat resumed>) = 3 [pid 6091] <... write resumed>) = 4 [pid 6090] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6089] <... futex resumed>) = 1 [pid 6088] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6085] <... futex resumed>) = 0 [pid 6093] set_robust_list(0x555581d606a0, 24 [pid 6092] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] close(3 [pid 6090] <... mprotect resumed>) = 0 [pid 6089] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6093] <... set_robust_list resumed>) = 0 [pid 6092] <... futex resumed>) = 1 [pid 6091] <... close resumed>) = 0 [pid 6093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6092] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6091] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] <... futex resumed>) = 0 [pid 6093] <... prctl resumed>) = 0 [pid 6091] <... futex resumed>) = 0 [pid 6090] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6088] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] exit_group(0 [pid 6093] setpgid(0, 0 [pid 6092] <... futex resumed>) = 0 [pid 6091] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6090] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6088] <... futex resumed>) = 1 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6093 [pid 6093] <... setpgid resumed>) = 0 [pid 6092] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6091] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6090] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6089] <... futex resumed>) = ? [pid 6088] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6085] <... exit_group resumed>) = ? [pid 6093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6092] <... ioctl resumed>) = 0 [pid 6091] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6089] +++ exited with 0 +++ [pid 6092] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6088] <... futex resumed>) = 0 [pid 6092] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6088] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] <... ioctl resumed>) = 0 [pid 6088] <... futex resumed>) = 0 [pid 6088] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6092] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6088] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6094 attached [pid 6093] <... openat resumed>) = 3 [pid 6092] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6090] <... clone3 resumed> => {parent_tid=[6094]}, 88) = 6094 [pid 6088] exit_group(0 [pid 6085] +++ exited with 0 +++ [pid 6094] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6093] write(3, "1000", 4 [pid 6091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6090] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6085, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6094] <... rseq resumed>) = 0 [pid 6093] <... write resumed>) = 4 [pid 6092] <... futex resumed>) = ? [pid 6091] <... mmap resumed>) = 0x7ff12c95c000 [pid 6090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6088] <... exit_group resumed>) = ? [pid 6094] set_robust_list(0x7ff12c97c9a0, 24 [pid 6093] close(3 [pid 6092] +++ exited with 0 +++ [pid 6091] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6090] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] +++ exited with 0 +++ [pid 6094] <... set_robust_list resumed>) = 0 [pid 6093] <... close resumed>) = 0 [pid 6090] <... futex resumed>) = 0 [pid 6094] rt_sigprocmask(SIG_SETMASK, [], [pid 6093] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... mprotect resumed>) = 0 [pid 6090] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6088, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6094] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6093] <... futex resumed>) = 0 [pid 6091] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6094] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6093] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6091] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6093] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6091] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6094] <... openat resumed>) = 3 [pid 6093] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 ./strace-static-x86_64: Process 6095 attached [pid 6093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6094] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... mmap resumed>) = 0x7ff12c95c000 [pid 6091] <... clone3 resumed> => {parent_tid=[6095]}, 88) = 6095 [pid 6094] <... futex resumed>) = 1 [pid 6094] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6093] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6091] rt_sigprocmask(SIG_SETMASK, [], [pid 6090] <... futex resumed>) = 0 [pid 6093] <... mprotect resumed>) = 0 [pid 6091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6090] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] <... futex resumed>) = 0 [pid 6090] <... futex resumed>) = 1 [pid 6094] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6093] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6091] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6096 attached [pid 6095] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6094] <... ioctl resumed>) = 0 [pid 6095] <... rseq resumed>) = 0 [pid 6094] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6091] <... futex resumed>) = 0 [pid 6094] <... futex resumed>) = 1 [pid 6093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6091] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6090] <... futex resumed>) = 0 [pid 6096] set_robust_list(0x555581d606a0, 24 [pid 6094] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6090] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6097 attached [pid 6096] <... set_robust_list resumed>) = 0 [pid 6095] set_robust_list(0x7ff12c97c9a0, 24 [pid 6094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6090] <... futex resumed>) = 0 [pid 6097] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6094] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6093] <... clone3 resumed> => {parent_tid=[6097]}, 88) = 6097 [pid 6090] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6097] <... rseq resumed>) = 0 [pid 6096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6095] <... set_robust_list resumed>) = 0 [pid 6094] <... ioctl resumed>) = 0 [pid 6093] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6096 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6098 attached [pid 6097] set_robust_list(0x7ff12c97c9a0, 24 [pid 6096] <... prctl resumed>) = 0 [pid 6095] rt_sigprocmask(SIG_SETMASK, [], [pid 6094] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6098] set_robust_list(0x555581d606a0, 24 [pid 6097] <... set_robust_list resumed>) = 0 [pid 6096] setpgid(0, 0 [pid 6095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6094] <... futex resumed>) = 1 [pid 6093] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... futex resumed>) = 0 [pid 6098] <... set_robust_list resumed>) = 0 [pid 6097] rt_sigprocmask(SIG_SETMASK, [], [pid 6096] <... setpgid resumed>) = 0 [pid 6095] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6094] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6093] <... futex resumed>) = 0 [pid 6090] exit_group(0 [pid 6098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6095] <... openat resumed>) = 3 [pid 6094] <... futex resumed>) = ? [pid 6093] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6090] <... exit_group resumed>) = ? [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6098 [pid 6098] <... prctl resumed>) = 0 [pid 6097] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6096] <... openat resumed>) = 3 [pid 6095] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] <... openat resumed>) = 3 [pid 6098] setpgid(0, 0 [pid 6097] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] <... futex resumed>) = 1 [pid 6091] <... futex resumed>) = 0 [pid 6098] <... setpgid resumed>) = 0 [pid 6097] <... futex resumed>) = 1 [pid 6096] write(3, "1000", 4 [pid 6095] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6094] +++ exited with 0 +++ [pid 6093] <... futex resumed>) = 0 [pid 6091] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] +++ exited with 0 +++ [pid 6098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6097] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6096] <... write resumed>) = 4 [pid 6095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6093] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6090, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6098] <... openat resumed>) = 3 [pid 6097] <... ioctl resumed>) = 0 [pid 6096] close(3 [pid 6095] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6093] <... futex resumed>) = 0 [pid 6091] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6098] write(3, "1000", 4 [pid 6097] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] <... close resumed>) = 0 [pid 6095] <... ioctl resumed>) = 0 [pid 6093] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6098] <... write resumed>) = 4 [pid 6097] <... futex resumed>) = 0 [pid 6096] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6098] close(3 [pid 6097] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6096] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = 1 [pid 6093] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... futex resumed>) = 0 [pid 6098] <... close resumed>) = 0 [pid 6097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6096] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6095] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6093] <... futex resumed>) = 0 [pid 6091] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6096] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6093] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6091] <... futex resumed>) = 0 [pid 6098] <... futex resumed>) = 0 [pid 6097] <... ioctl resumed>) = 0 [pid 6096] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6095] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6091] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6099 attached [pid 6098] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6097] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6095] <... ioctl resumed>) = 0 [pid 6099] set_robust_list(0x555581d606a0, 24 [pid 6098] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6099] <... set_robust_list resumed>) = 0 [pid 6098] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6097] <... futex resumed>) = 1 [pid 6096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6095] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... futex resumed>) = 0 [pid 6098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6095] <... futex resumed>) = 1 [pid 6093] exit_group(0 [pid 6099] <... prctl resumed>) = 0 [pid 6098] <... mmap resumed>) = 0x7ff12c95c000 [pid 6096] <... mmap resumed>) = 0x7ff12c95c000 [pid 6095] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6093] <... exit_group resumed>) = ? [pid 6091] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6099 [pid 6099] setpgid(0, 0 [pid 6098] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6097] +++ exited with 0 +++ [pid 6096] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6091] exit_group(0 [pid 6096] <... mprotect resumed>) = 0 [pid 6096] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6093] +++ exited with 0 +++ [pid 6098] <... mprotect resumed>) = 0 [pid 6099] <... setpgid resumed>) = 0 [pid 6095] <... futex resumed>) = ? [pid 6091] <... exit_group resumed>) = ? [pid 6099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6096] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6095] +++ exited with 0 +++ [pid 6098] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6093, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6096] <... clone3 resumed> => {parent_tid=[6100]}, 88) = 6100 [pid 6096] rt_sigprocmask(SIG_SETMASK, [], [pid 6091] +++ exited with 0 +++ ./strace-static-x86_64: Process 6100 attached [pid 6099] <... openat resumed>) = 3 [pid 6098] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6091, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6100] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6099] write(3, "1000", 4 [pid 6098] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6100] <... rseq resumed>) = 0 [pid 6099] <... write resumed>) = 4 ./strace-static-x86_64: Process 6101 attached ./strace-static-x86_64: Process 6102 attached [pid 6100] set_robust_list(0x7ff12c97c9a0, 24 [pid 6099] close(3 [pid 6096] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 6101] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6100] <... set_robust_list resumed>) = 0 [pid 6099] <... close resumed>) = 0 [pid 6098] <... clone3 resumed> => {parent_tid=[6101]}, 88) = 6101 [pid 6102] set_robust_list(0x555581d606a0, 24 [pid 6101] <... rseq resumed>) = 0 [pid 6100] rt_sigprocmask(SIG_SETMASK, [], [pid 6102] <... set_robust_list resumed>) = 0 [pid 6099] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] rt_sigprocmask(SIG_SETMASK, [], [pid 6101] set_robust_list(0x7ff12c97c9a0, 24 [pid 6100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6101] <... set_robust_list resumed>) = 0 [pid 6100] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6099] <... futex resumed>) = 0 [pid 6098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6096] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6102 [pid 5065] <... restart_syscall resumed>) = 0 [pid 6102] <... prctl resumed>) = 0 [pid 6101] rt_sigprocmask(SIG_SETMASK, [], [pid 6100] <... openat resumed>) = 3 [pid 6099] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6098] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] setpgid(0, 0 [pid 6101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6100] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6098] <... futex resumed>) = 0 [pid 6096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6102] <... setpgid resumed>) = 0 [pid 6101] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6100] <... futex resumed>) = 0 [pid 6099] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6098] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6096] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6101] <... openat resumed>) = 3 [pid 6100] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6096] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6103 attached [pid 6102] <... openat resumed>) = 3 [pid 6101] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... ioctl resumed>) = 0 [pid 6099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6096] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6103 [pid 6103] set_robust_list(0x555581d606a0, 24 [pid 6102] write(3, "1000", 4 [pid 6101] <... futex resumed>) = 1 [pid 6100] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] <... mmap resumed>) = 0x7ff12c95c000 [pid 6098] <... futex resumed>) = 0 [pid 6103] <... set_robust_list resumed>) = 0 [pid 6102] <... write resumed>) = 4 [pid 6101] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6100] <... futex resumed>) = 1 [pid 6099] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6098] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] <... futex resumed>) = 0 [pid 6103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6102] close(3 [pid 6101] <... ioctl resumed>) = 0 [pid 6100] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] <... mprotect resumed>) = 0 [pid 6098] <... futex resumed>) = 0 [pid 6096] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] <... prctl resumed>) = 0 [pid 6102] <... close resumed>) = 0 [pid 6101] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6099] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6098] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6096] <... futex resumed>) = 0 [pid 6103] setpgid(0, 0 [pid 6102] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] <... futex resumed>) = 0 [pid 6100] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6099] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6096] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6103] <... setpgid resumed>) = 0 [pid 6102] <... futex resumed>) = 0 [pid 6101] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] <... ioctl resumed>) = 0 [pid 6099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6098] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6102] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6100] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6104 attached [pid 6103] <... openat resumed>) = 3 [pid 6102] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6101] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6099] <... clone3 resumed> => {parent_tid=[6104]}, 88) = 6104 [pid 6098] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6104] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6103] write(3, "1000", 4 [pid 6102] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6101] <... ioctl resumed>) = 0 [pid 6100] <... futex resumed>) = 1 [pid 6099] rt_sigprocmask(SIG_SETMASK, [], [pid 6096] <... futex resumed>) = 0 [pid 6104] <... rseq resumed>) = 0 [pid 6103] <... write resumed>) = 4 [pid 6102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6101] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6096] exit_group(0 [pid 6104] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 6104] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6103] close(3 [pid 6102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6101] <... futex resumed>) = 1 [pid 6100] <... futex resumed>) = ? [pid 6099] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... futex resumed>) = 0 [pid 6096] <... exit_group resumed>) = ? [pid 6100] +++ exited with 0 +++ [pid 6098] exit_group(0 [pid 6104] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6103] <... close resumed>) = 0 [pid 6102] <... mmap resumed>) = 0x7ff12c95c000 [pid 6099] <... futex resumed>) = 0 [pid 6104] <... openat resumed>) = 3 [pid 6103] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6099] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6103] <... futex resumed>) = 0 [pid 6103] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6102] <... mprotect resumed>) = 0 [pid 6096] +++ exited with 0 +++ [pid 6104] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6103] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6102] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6099] <... futex resumed>) = 0 [pid 6098] <... exit_group resumed>) = ? [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6096, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6104] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6103] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6101] +++ exited with 0 +++ [pid 6103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6099] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 6104] <... futex resumed>) = 0 [pid 6103] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6102] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6099] <... futex resumed>) = 1 [pid 5070] <... restart_syscall resumed>) = 0 [pid 6104] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6103] <... mmap resumed>) = 0x7ff12c95c000 [pid 6102] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6099] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6098] +++ exited with 0 +++ [pid 6104] <... ioctl resumed>) = 0 [pid 6103] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6104] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6105 attached [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6098, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6105] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 6104] <... futex resumed>) = 1 [pid 6103] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6099] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6106 attached [pid 6105] set_robust_list(0x7ff12c97c9a0, 24 [pid 6104] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6102] <... clone3 resumed> => {parent_tid=[6105]}, 88) = 6105 [pid 6099] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... restart_syscall resumed>) = 0 [pid 6105] <... set_robust_list resumed>) = 0 [pid 6104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6103] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6102] rt_sigprocmask(SIG_SETMASK, [], [pid 6099] <... futex resumed>) = 0 [pid 6105] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6105] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6104] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6103] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6104] <... ioctl resumed>) = 0 [pid 6102] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] set_robust_list(0x555581d606a0, 24./strace-static-x86_64: Process 6107 attached ) = 0 [pid 6107] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6104] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... futex resumed>) = 1 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6108 attached [pid 6107] <... rseq resumed>) = 0 [pid 6106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6105] <... futex resumed>) = 0 [pid 6104] <... futex resumed>) = 1 [pid 6103] <... clone3 resumed> => {parent_tid=[6107]}, 88) = 6107 [pid 6102] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6099] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6106 [pid 6108] set_robust_list(0x555581d606a0, 24 [pid 6107] set_robust_list(0x7ff12c97c9a0, 24 [pid 6106] <... prctl resumed>) = 0 [pid 6105] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6104] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6103] rt_sigprocmask(SIG_SETMASK, [], [pid 6099] exit_group(0 [pid 6104] <... futex resumed>) = ? [pid 6099] <... exit_group resumed>) = ? [pid 6108] <... set_robust_list resumed>) = 0 [pid 6107] <... set_robust_list resumed>) = 0 [pid 6106] setpgid(0, 0 [pid 6105] <... openat resumed>) = 3 [pid 6104] +++ exited with 0 +++ [pid 6103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6099] +++ exited with 0 +++ [pid 6107] rt_sigprocmask(SIG_SETMASK, [], [pid 6106] <... setpgid resumed>) = 0 [pid 6105] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6105] <... futex resumed>) = 1 [pid 6103] <... futex resumed>) = 0 [pid 6102] <... futex resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6108 [pid 6108] <... prctl resumed>) = 0 [pid 6107] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6105] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6103] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6099, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6108] setpgid(0, 0 [pid 6107] <... openat resumed>) = 3 [pid 6105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6102] <... futex resumed>) = 0 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 6106] <... openat resumed>) = 3 [pid 6108] <... setpgid resumed>) = 0 [pid 6107] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] write(3, "1000", 4 [pid 6105] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6102] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] <... restart_syscall resumed>) = 0 [pid 6105] <... ioctl resumed>) = 0 [pid 6107] <... futex resumed>) = 1 [pid 6103] <... futex resumed>) = 0 [pid 6108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6106] <... write resumed>) = 4 [pid 6105] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6106] close(3 [pid 6105] <... futex resumed>) = 1 [pid 6103] <... futex resumed>) = 0 [pid 6102] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6109 attached [pid 6108] <... openat resumed>) = 3 [pid 6107] <... ioctl resumed>) = 0 [pid 6106] <... close resumed>) = 0 [pid 6105] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6103] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6102] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6109 [pid 6109] set_robust_list(0x555581d606a0, 24 [pid 6108] write(3, "1000", 4 [pid 6107] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] <... ioctl resumed>) = 0 [pid 6109] <... set_robust_list resumed>) = 0 [pid 6108] <... write resumed>) = 4 [pid 6107] <... futex resumed>) = 1 [pid 6106] <... futex resumed>) = 0 [pid 6105] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] <... futex resumed>) = 0 [pid 6109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6108] close(3 [pid 6107] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6106] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6105] <... futex resumed>) = 1 [pid 6103] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... futex resumed>) = 0 [pid 6109] <... prctl resumed>) = 0 [pid 6108] <... close resumed>) = 0 [pid 6107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6106] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6105] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6103] <... futex resumed>) = 0 [pid 6102] exit_group(0 [pid 6109] setpgid(0, 0 [pid 6108] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6106] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6105] <... futex resumed>) = ? [pid 6103] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] <... exit_group resumed>) = ? [pid 6109] <... setpgid resumed>) = 0 [pid 6108] <... futex resumed>) = 0 [pid 6107] <... ioctl resumed>) = 0 [pid 6106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6105] +++ exited with 0 +++ [pid 6102] +++ exited with 0 +++ [pid 6109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6108] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6102, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6109] <... openat resumed>) = 3 [pid 6108] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6107] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] <... mmap resumed>) = 0x7ff12c95c000 [pid 6108] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6107] <... futex resumed>) = 1 [pid 6103] <... futex resumed>) = 0 [pid 6109] write(3, "1000", 4 [pid 6108] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6107] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6106] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6103] exit_group(0 [pid 6109] <... write resumed>) = 4 [pid 6108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6107] <... futex resumed>) = ? [pid 6106] <... mprotect resumed>) = 0 [pid 6103] <... exit_group resumed>) = ? [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6109] close(3 [pid 6108] <... mmap resumed>) = 0x7ff12c95c000 [pid 6107] +++ exited with 0 +++ [pid 6103] +++ exited with 0 +++ ./strace-static-x86_64: Process 6110 attached [pid 6109] <... close resumed>) = 0 [pid 6108] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6106] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6109] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] set_robust_list(0x555581d606a0, 24 [pid 6109] <... futex resumed>) = 0 [pid 6108] <... mprotect resumed>) = 0 [pid 6106] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6110 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6103, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6110] <... set_robust_list resumed>) = 0 [pid 6109] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6108] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6106] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 6111 attached [pid 6110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6109] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6108] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6110] <... prctl resumed>) = 0 [pid 6109] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6111] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6108] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6106] <... clone3 resumed> => {parent_tid=[6111]}, 88) = 6111 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6112 attached [pid 6111] <... rseq resumed>) = 0 [pid 6110] setpgid(0, 0 [pid 6109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6106] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6113 attached [pid 6112] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6111] set_robust_list(0x7ff12c97c9a0, 24 [pid 6110] <... setpgid resumed>) = 0 [pid 6109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6113] set_robust_list(0x555581d606a0, 24 [pid 6112] <... rseq resumed>) = 0 [pid 6111] <... set_robust_list resumed>) = 0 [pid 6109] <... mmap resumed>) = 0x7ff12c95c000 [pid 6106] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... set_robust_list resumed>) = 0 [pid 6112] set_robust_list(0x7ff12c97c9a0, 24 [pid 6111] rt_sigprocmask(SIG_SETMASK, [], [pid 6110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6109] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6108] <... clone3 resumed> => {parent_tid=[6112]}, 88) = 6112 [pid 6106] <... futex resumed>) = 0 [pid 6113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6112] <... set_robust_list resumed>) = 0 [pid 6111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6110] <... openat resumed>) = 3 [pid 6109] <... mprotect resumed>) = 0 [pid 6108] rt_sigprocmask(SIG_SETMASK, [], [pid 6106] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6113 [pid 6112] rt_sigprocmask(SIG_SETMASK, [], [pid 6111] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6110] write(3, "1000", 4 [pid 6109] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6108] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6113] <... prctl resumed>) = 0 [pid 6112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6111] <... openat resumed>) = 3 [pid 6110] <... write resumed>) = 4 [pid 6109] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6108] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] close(3 [pid 6109] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6108] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6114 attached [pid 6113] setpgid(0, 0 [pid 6112] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6111] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... close resumed>) = 0 [pid 6108] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6113] <... setpgid resumed>) = 0 [pid 6111] <... futex resumed>) = 1 [pid 6106] <... futex resumed>) = 0 [pid 6110] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... futex resumed>) = 0 [pid 6109] <... clone3 resumed> => {parent_tid=[6114]}, 88) = 6114 [pid 6106] <... futex resumed>) = 0 [pid 6110] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6109] rt_sigprocmask(SIG_SETMASK, [], [pid 6106] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] <... openat resumed>) = 3 [pid 6111] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6110] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6114] <... rseq resumed>) = 0 [pid 6113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6111] <... ioctl resumed>) = 0 [pid 6110] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6109] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] set_robust_list(0x7ff12c97c9a0, 24 [pid 6110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6109] <... futex resumed>) = 0 [pid 6114] <... set_robust_list resumed>) = 0 [pid 6112] <... futex resumed>) = 1 [pid 6111] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6109] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6108] <... futex resumed>) = 0 [pid 6114] rt_sigprocmask(SIG_SETMASK, [], [pid 6113] <... openat resumed>) = 3 [pid 6112] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6111] <... futex resumed>) = 1 [pid 6110] <... mmap resumed>) = 0x7ff12c95c000 [pid 6108] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] <... futex resumed>) = 0 [pid 6114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6110] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6108] <... futex resumed>) = 0 [pid 6106] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... mprotect resumed>) = 0 [pid 6108] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] <... futex resumed>) = 0 [pid 6106] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6110] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6114] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6113] write(3, "1000", 4 [pid 6112] <... ioctl resumed>) = 0 [pid 6111] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6114] <... openat resumed>) = 3 [pid 6113] <... write resumed>) = 4 [pid 6112] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... ioctl resumed>) = 0 [pid 6110] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6113] close(3 [pid 6112] <... futex resumed>) = 1 [pid 6111] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] <... futex resumed>) = 0 [pid 6108] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... futex resumed>) = 1 [pid 6112] ioctl(3, SNDRV_TIMER_IOCTL_START, 0./strace-static-x86_64: Process 6115 attached [pid 6114] <... futex resumed>) = 1 [pid 6113] <... close resumed>) = 0 [pid 6111] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6110] <... clone3 resumed> => {parent_tid=[6115]}, 88) = 6115 [pid 6109] <... futex resumed>) = 0 [pid 6108] <... futex resumed>) = 0 [pid 6106] <... futex resumed>) = 0 [pid 6112] <... ioctl resumed>) = 0 [pid 6115] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6114] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] rt_sigprocmask(SIG_SETMASK, [], [pid 6109] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] exit_group(0 [pid 6115] <... rseq resumed>) = 0 [pid 6113] <... futex resumed>) = 0 [pid 6110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6109] <... futex resumed>) = 0 [pid 6106] <... exit_group resumed>) = ? [pid 6115] set_robust_list(0x7ff12c97c9a0, 24 [pid 6113] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6110] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6115] <... set_robust_list resumed>) = 0 [pid 6113] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6110] <... futex resumed>) = 0 [pid 6115] rt_sigprocmask(SIG_SETMASK, [], [pid 6113] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6110] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6115] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 6115] <... openat resumed>) = 3 [pid 6114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6112] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... futex resumed>) = ? [pid 6108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6112] <... futex resumed>) = 0 [pid 6115] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6113] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6112] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6111] +++ exited with 0 +++ [pid 6108] exit_group(0 [pid 6106] +++ exited with 0 +++ [pid 6115] <... futex resumed>) = 1 [pid 6114] <... ioctl resumed>) = 0 [pid 6113] <... mprotect resumed>) = 0 [pid 6112] <... futex resumed>) = ? [pid 6110] <... futex resumed>) = 0 [pid 6108] <... exit_group resumed>) = ? [pid 6115] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6114] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6112] +++ exited with 0 +++ [pid 6110] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] +++ exited with 0 +++ [pid 6115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6109] <... futex resumed>) = 0 [pid 6115] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6114] <... futex resumed>) = 1 [pid 6113] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6110] <... futex resumed>) = 0 [pid 6109] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] <... ioctl resumed>) = 0 [pid 6114] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6113] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6110] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6109] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6106, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6108, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6115] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... ioctl resumed>) = 0 [pid 6110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6109] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 6115] <... futex resumed>) = 0 [pid 6114] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... clone3 resumed> => {parent_tid=[6116]}, 88) = 6116 [pid 6110] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] <... restart_syscall resumed>) = 0 [pid 6115] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6114] <... futex resumed>) = 0 [pid 6113] rt_sigprocmask(SIG_SETMASK, [], [pid 6110] <... futex resumed>) = 0 [pid 6109] exit_group(0 [pid 6115] <... ioctl resumed>) = 0 [pid 6113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6110] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6115] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] +++ exited with 0 +++ [pid 6113] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6116 attached [pid 6115] <... futex resumed>) = 1 [pid 6113] <... futex resumed>) = 0 [pid 6110] <... futex resumed>) = 0 [pid 6109] +++ exited with 0 +++ [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6116] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6115] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6110] exit_group(0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6109, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6118 attached ./strace-static-x86_64: Process 6117 attached [pid 6116] <... rseq resumed>) = 0 [pid 6115] <... futex resumed>) = ? [pid 6110] <... exit_group resumed>) = ? [pid 6117] set_robust_list(0x555581d606a0, 24 [pid 6116] set_robust_list(0x7ff12c97c9a0, 24 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6118 [pid 6116] <... set_robust_list resumed>) = 0 [pid 6117] <... set_robust_list resumed>) = 0 [pid 6116] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6118] set_robust_list(0x555581d606a0, 24 [pid 6117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6116] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6115] +++ exited with 0 +++ [pid 6110] +++ exited with 0 +++ [pid 6117] <... prctl resumed>) = 0 [pid 6118] <... set_robust_list resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6117] setpgid(0, 0 [pid 6116] <... openat resumed>) = 3 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6110, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 6119 attached [pid 6118] <... prctl resumed>) = 0 [pid 6117] <... setpgid resumed>) = 0 [pid 6116] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6117 [pid 6118] setpgid(0, 0 [pid 5068] <... restart_syscall resumed>) = 0 [pid 6117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6116] <... futex resumed>) = 1 [pid 6119] set_robust_list(0x555581d606a0, 24) = 0 [pid 6116] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6118] <... setpgid resumed>) = 0 [pid 6113] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6113] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6120 attached [pid 6119] <... prctl resumed>) = 0 [pid 6118] <... openat resumed>) = 3 [pid 6117] <... openat resumed>) = 3 [pid 6116] <... futex resumed>) = 0 [pid 6113] <... futex resumed>) = 1 [pid 6120] set_robust_list(0x555581d606a0, 24 [pid 6119] setpgid(0, 0 [pid 6118] write(3, "1000", 4 [pid 6117] write(3, "1000", 4 [pid 6116] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6113] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6119 [pid 6120] <... set_robust_list resumed>) = 0 [pid 6119] <... setpgid resumed>) = 0 [pid 6118] <... write resumed>) = 4 [pid 6117] <... write resumed>) = 4 [pid 6116] <... ioctl resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6120 [pid 6119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6118] close(3 [pid 6117] close(3 [pid 6116] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6119] <... openat resumed>) = 3 [pid 6118] <... close resumed>) = 0 [pid 6120] <... prctl resumed>) = 0 [pid 6118] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] <... close resumed>) = 0 [pid 6116] <... futex resumed>) = 1 [pid 6113] <... futex resumed>) = 0 [pid 6120] setpgid(0, 0 [pid 6119] write(3, "1000", 4 [pid 6118] <... futex resumed>) = 0 [pid 6117] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6113] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] <... setpgid resumed>) = 0 [pid 6119] <... write resumed>) = 4 [pid 6118] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6117] <... futex resumed>) = 0 [pid 6113] <... futex resumed>) = 0 [pid 6120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6119] close(3 [pid 6118] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6117] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6116] <... ioctl resumed>) = 0 [pid 6113] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6120] <... openat resumed>) = 3 [pid 6119] <... close resumed>) = 0 [pid 6118] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6117] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6116] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6119] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6117] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6116] <... futex resumed>) = 0 [pid 6113] exit_group(0 [pid 6120] write(3, "1000", 4 [pid 6119] <... futex resumed>) = 0 [pid 6118] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6113] <... exit_group resumed>) = ? [pid 6120] <... write resumed>) = 4 [pid 6119] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6118] <... mmap resumed>) = 0x7ff12c95c000 [pid 6117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6116] +++ exited with 0 +++ [pid 6120] close(3 [pid 6119] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6118] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6120] <... close resumed>) = 0 [pid 6119] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6120] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6118] <... mprotect resumed>) = 0 [pid 6120] <... futex resumed>) = 0 [pid 6119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6118] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6117] <... mmap resumed>) = 0x7ff12c95c000 [pid 6113] +++ exited with 0 +++ [pid 6120] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6119] <... mmap resumed>) = 0x7ff12c95c000 [pid 6117] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6120] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6119] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6113, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6117] <... mprotect resumed>) = 0 [pid 6120] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6119] <... mprotect resumed>) = 0 [pid 6118] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 6120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6119] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6118] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5065] <... restart_syscall resumed>) = 0 [pid 6120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 ./strace-static-x86_64: Process 6121 attached [pid 6120] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6119] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6117] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6121] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6120] <... mprotect resumed>) = 0 [pid 6119] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6118] <... clone3 resumed> => {parent_tid=[6121]}, 88) = 6121 [pid 6117] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6122 attached ./strace-static-x86_64: Process 6123 attached [pid 6121] <... rseq resumed>) = 0 [pid 6120] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6118] rt_sigprocmask(SIG_SETMASK, [], [pid 6117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6122] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6121] set_robust_list(0x7ff12c97c9a0, 24 [pid 6120] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6119] <... clone3 resumed> => {parent_tid=[6122]}, 88) = 6122 [pid 6118] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6124 attached [pid 6123] set_robust_list(0x555581d606a0, 24 [pid 6122] <... rseq resumed>) = 0 [pid 6121] <... set_robust_list resumed>) = 0 [pid 6120] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6119] rt_sigprocmask(SIG_SETMASK, [], [pid 6118] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6123] <... set_robust_list resumed>) = 0 [pid 6122] set_robust_list(0x7ff12c97c9a0, 24 [pid 6121] rt_sigprocmask(SIG_SETMASK, [], [pid 6119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6118] <... futex resumed>) = 0 [pid 6117] <... clone3 resumed> => {parent_tid=[6124]}, 88) = 6124 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6123 ./strace-static-x86_64: Process 6125 attached [pid 6124] <... rseq resumed>) = 0 [pid 6123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6122] <... set_robust_list resumed>) = 0 [pid 6121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6120] <... clone3 resumed> => {parent_tid=[6125]}, 88) = 6125 [pid 6119] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6117] rt_sigprocmask(SIG_SETMASK, [], [pid 6125] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6124] set_robust_list(0x7ff12c97c9a0, 24 [pid 6123] <... prctl resumed>) = 0 [pid 6122] rt_sigprocmask(SIG_SETMASK, [], [pid 6121] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6120] rt_sigprocmask(SIG_SETMASK, [], [pid 6119] <... futex resumed>) = 0 [pid 6117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6125] <... rseq resumed>) = 0 [pid 6124] <... set_robust_list resumed>) = 0 [pid 6123] setpgid(0, 0 [pid 6122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6121] <... openat resumed>) = 3 [pid 6120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6119] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6117] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] set_robust_list(0x7ff12c97c9a0, 24 [pid 6124] rt_sigprocmask(SIG_SETMASK, [], [pid 6123] <... setpgid resumed>) = 0 [pid 6122] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6121] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] <... futex resumed>) = 0 [pid 6125] <... set_robust_list resumed>) = 0 [pid 6124] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6122] <... openat resumed>) = 3 [pid 6121] <... futex resumed>) = 1 [pid 6120] <... futex resumed>) = 0 [pid 6118] <... futex resumed>) = 0 [pid 6117] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6125] rt_sigprocmask(SIG_SETMASK, [], [pid 6124] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6118] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6123] <... openat resumed>) = 3 [pid 6122] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6120] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6118] <... futex resumed>) = 0 [pid 6125] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6124] <... openat resumed>) = 3 [pid 6122] <... futex resumed>) = 1 [pid 6121] <... ioctl resumed>) = 0 [pid 6119] <... futex resumed>) = 0 [pid 6118] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6122] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6121] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6122] <... ioctl resumed>) = 0 [pid 6121] <... futex resumed>) = 0 [pid 6119] <... futex resumed>) = 0 [pid 6118] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6119] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6118] <... futex resumed>) = 0 [pid 6122] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] <... ioctl resumed>) = 0 [pid 6119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6118] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6122] <... futex resumed>) = 0 [pid 6119] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6121] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] <... futex resumed>) = 0 [pid 6122] <... ioctl resumed>) = 0 [pid 6121] <... futex resumed>) = 1 [pid 6119] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6118] <... futex resumed>) = 0 [pid 6122] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6118] exit_group(0 [pid 6122] <... futex resumed>) = 1 [pid 6121] <... futex resumed>) = ? [pid 6119] <... futex resumed>) = 0 [pid 6118] <... exit_group resumed>) = ? [pid 6125] <... openat resumed>) = 3 [pid 6124] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] write(3, "1000", 4 [pid 6122] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] +++ exited with 0 +++ [pid 6119] exit_group(0 [pid 6118] +++ exited with 0 +++ [pid 6122] <... futex resumed>) = ? [pid 6119] <... exit_group resumed>) = ? [pid 6125] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] <... futex resumed>) = 1 [pid 6123] <... write resumed>) = 4 [pid 6122] +++ exited with 0 +++ [pid 6119] +++ exited with 0 +++ [pid 6124] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6123] close(3 [pid 6125] <... futex resumed>) = 1 [pid 6123] <... close resumed>) = 0 [pid 6125] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6123] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] <... futex resumed>) = 0 [pid 6117] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6118, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6120] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6119, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 6125] <... futex resumed>) = 0 [pid 6120] <... futex resumed>) = 1 [pid 6117] <... futex resumed>) = 1 [pid 5070] <... restart_syscall resumed>) = 0 [pid 6125] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6120] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6117] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6125] <... ioctl resumed>) = 0 [pid 6125] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6125] <... futex resumed>) = 1 [pid 6124] <... futex resumed>) = 0 [pid 6123] <... futex resumed>) = 0 [pid 6120] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6126 attached [pid 6124] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6123] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6120] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] set_robust_list(0x555581d606a0, 24) = 0 [pid 6125] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6124] <... ioctl resumed>) = 0 [pid 6123] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6120] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6127 attached [pid 6126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6125] <... ioctl resumed>) = 0 [pid 6124] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6120] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6126] <... prctl resumed>) = 0 [pid 6125] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] <... futex resumed>) = 1 [pid 6123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6117] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6126 [pid 6127] set_robust_list(0x555581d606a0, 24 [pid 6126] setpgid(0, 0 [pid 6124] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6127] <... set_robust_list resumed>) = 0 [pid 6126] <... setpgid resumed>) = 0 [pid 6125] <... futex resumed>) = 0 [pid 6120] exit_group(0 [pid 6117] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] <... futex resumed>) = 0 [pid 6123] <... mmap resumed>) = 0x7ff12c95c000 [pid 6120] <... exit_group resumed>) = ? [pid 6117] <... futex resumed>) = 1 [pid 6127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6125] +++ exited with 0 +++ [pid 6124] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6123] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6120] +++ exited with 0 +++ [pid 6117] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6127 [pid 6124] <... ioctl resumed>) = 0 [pid 6123] <... mprotect resumed>) = 0 [pid 6124] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6117] <... futex resumed>) = 0 [pid 6124] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6123] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6117] exit_group(0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6120, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6124] <... futex resumed>) = ? [pid 6123] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6117] <... exit_group resumed>) = ? [pid 6127] <... prctl resumed>) = 0 [pid 6126] <... openat resumed>) = 3 [pid 6124] +++ exited with 0 +++ [pid 6123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6117] +++ exited with 0 +++ [pid 6127] setpgid(0, 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6117, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6126] write(3, "1000", 4 [pid 5066] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6128 attached [pid 6127] <... setpgid resumed>) = 0 [pid 6126] <... write resumed>) = 4 [pid 5066] <... restart_syscall resumed>) = 0 [pid 6128] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6126] close(3 [pid 6123] <... clone3 resumed> => {parent_tid=[6128]}, 88) = 6128 [pid 6128] <... rseq resumed>) = 0 [pid 6128] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 6128] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6128] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6129 ./strace-static-x86_64: Process 6129 attached [pid 6127] <... openat resumed>) = 3 [pid 6126] <... close resumed>) = 0 [pid 6123] rt_sigprocmask(SIG_SETMASK, [], [pid 6129] set_robust_list(0x555581d606a0, 24 [pid 6127] write(3, "1000", 4 [pid 6126] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6129] <... set_robust_list resumed>) = 0 [pid 6127] <... write resumed>) = 4 [pid 6123] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6128] <... futex resumed>) = 0 [pid 6127] close(3 [pid 6123] <... futex resumed>) = 1 [pid 6128] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6123] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6129] <... prctl resumed>) = 0 [pid 6128] <... openat resumed>) = 3 [pid 6127] <... close resumed>) = 0 [pid 6129] setpgid(0, 0 [pid 6127] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] <... setpgid resumed>) = 0 [pid 6127] <... futex resumed>) = 0 [pid 6129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6128] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6128] <... futex resumed>) = 1 [pid 6127] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6126] <... futex resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6129] <... openat resumed>) = 3 [pid 6128] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6127] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6123] <... futex resumed>) = 0 [pid 6123] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6123] <... futex resumed>) = 0 [pid 6129] write(3, "1000", 4 [pid 6128] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6127] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6123] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6130 attached [pid 6129] <... write resumed>) = 4 [pid 6128] <... ioctl resumed>) = 0 [pid 6127] <... mmap resumed>) = 0x7ff12c95c000 [pid 6126] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6130] set_robust_list(0x555581d606a0, 24 [pid 6129] close(3 [pid 6128] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6126] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6130 [pid 6130] <... set_robust_list resumed>) = 0 [pid 6129] <... close resumed>) = 0 [pid 6128] <... futex resumed>) = 1 [pid 6127] <... mprotect resumed>) = 0 [pid 6126] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6123] <... futex resumed>) = 0 [pid 6130] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6129] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6127] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6123] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6130] <... prctl resumed>) = 0 [pid 6129] <... futex resumed>) = 0 [pid 6128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6127] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6123] <... futex resumed>) = 0 [pid 6130] setpgid(0, 0 [pid 6129] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6128] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6127] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6126] <... mmap resumed>) = 0x7ff12c95c000 [pid 6123] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6131 attached [pid 6130] <... setpgid resumed>) = 0 [pid 6129] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6128] <... ioctl resumed>) = 0 [pid 6126] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6129] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6131] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6126] <... mprotect resumed>) = 0 [pid 6131] <... rseq resumed>) = 0 [pid 6131] set_robust_list(0x7ff12c97c9a0, 24 [pid 6130] <... openat resumed>) = 3 [pid 6129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6128] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] <... clone3 resumed> => {parent_tid=[6131]}, 88) = 6131 [pid 6126] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6131] <... set_robust_list resumed>) = 0 [pid 6129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6128] <... futex resumed>) = 1 [pid 6127] rt_sigprocmask(SIG_SETMASK, [], [pid 6126] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6123] <... futex resumed>) = 0 [pid 6131] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6130] write(3, "1000", 4 [pid 6129] <... mmap resumed>) = 0x7ff12c95c000 [pid 6128] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6126] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6123] exit_group(0 [pid 6131] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6130] <... write resumed>) = 4 [pid 6129] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6128] <... futex resumed>) = ? [pid 6127] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6132 attached [pid 6131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6130] close(3 [pid 6129] <... mprotect resumed>) = 0 [pid 6128] +++ exited with 0 +++ [pid 6127] <... futex resumed>) = 0 [pid 6123] +++ exited with 0 +++ [pid 6132] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6131] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6130] <... close resumed>) = 0 [pid 6129] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6127] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6126] <... clone3 resumed> => {parent_tid=[6132]}, 88) = 6132 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6123, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6132] <... rseq resumed>) = 0 [pid 6131] <... openat resumed>) = 3 [pid 6130] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] rt_sigprocmask(SIG_SETMASK, [], [pid 6132] set_robust_list(0x7ff12c97c9a0, 24 [pid 6131] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6130] <... futex resumed>) = 0 [pid 6129] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6132] <... set_robust_list resumed>) = 0 [pid 6131] <... futex resumed>) = 1 [pid 6127] <... futex resumed>) = 0 [pid 6126] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6132] rt_sigprocmask(SIG_SETMASK, [], [pid 6131] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6130] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6129] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6127] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6133 attached [pid 6132] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6130] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6127] <... futex resumed>) = 0 [pid 6126] <... futex resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6133] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6132] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6131] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6130] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6129] <... clone3 resumed> => {parent_tid=[6133]}, 88) = 6133 [pid 6127] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6126] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6134 attached [pid 6133] <... rseq resumed>) = 0 [pid 6132] <... openat resumed>) = 3 [pid 6131] <... ioctl resumed>) = 0 [pid 6130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6129] rt_sigprocmask(SIG_SETMASK, [], [pid 6134] set_robust_list(0x555581d606a0, 24 [pid 6133] set_robust_list(0x7ff12c97c9a0, 24 [pid 6132] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6134] <... set_robust_list resumed>) = 0 [pid 6132] <... futex resumed>) = 1 [pid 6131] <... futex resumed>) = 1 [pid 6126] <... futex resumed>) = 0 [pid 6129] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6126] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] <... futex resumed>) = 0 [pid 6132] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6129] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6126] <... futex resumed>) = 0 [pid 6127] <... futex resumed>) = 0 [pid 6126] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6133] <... set_robust_list resumed>) = 0 [pid 6132] <... ioctl resumed>) = 0 [pid 6130] <... mmap resumed>) = 0x7ff12c95c000 [pid 6127] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6133] rt_sigprocmask(SIG_SETMASK, [], [pid 6132] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] <... futex resumed>) = 1 [pid 6134] <... prctl resumed>) = 0 [pid 6133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6132] <... futex resumed>) = 1 [pid 6131] <... futex resumed>) = 0 [pid 6127] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6126] <... futex resumed>) = 0 [pid 6134] setpgid(0, 0 [pid 6133] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6132] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6131] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6130] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6126] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... setpgid resumed>) = 0 [pid 6133] <... openat resumed>) = 3 [pid 6132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6130] <... mprotect resumed>) = 0 [pid 6126] <... futex resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6134 [pid 6134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6133] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6132] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6131] <... ioctl resumed>) = 0 [pid 6130] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6126] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6133] <... futex resumed>) = 1 [pid 6132] <... ioctl resumed>) = 0 [pid 6131] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6129] <... futex resumed>) = 0 [pid 6133] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6130] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6129] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6135 attached [pid 6134] <... openat resumed>) = 3 [pid 6133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6132] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... futex resumed>) = 1 [pid 6129] <... futex resumed>) = 0 [pid 6127] <... futex resumed>) = 0 [pid 6135] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6133] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6132] <... futex resumed>) = 1 [pid 6134] write(3, "1000", 4 [pid 6131] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6130] <... clone3 resumed> => {parent_tid=[6135]}, 88) = 6135 [pid 6129] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6127] exit_group(0 [pid 6126] <... futex resumed>) = 0 [pid 6135] <... rseq resumed>) = 0 [pid 6134] <... write resumed>) = 4 [pid 6133] <... ioctl resumed>) = 0 [pid 6132] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6131] <... futex resumed>) = ? [pid 6130] rt_sigprocmask(SIG_SETMASK, [], [pid 6127] <... exit_group resumed>) = ? [pid 6126] exit_group(0 [pid 6135] set_robust_list(0x7ff12c97c9a0, 24 [pid 6134] close(3 [pid 6133] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6132] <... futex resumed>) = ? [pid 6131] +++ exited with 0 +++ [pid 6130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6127] +++ exited with 0 +++ [pid 6126] <... exit_group resumed>) = ? [pid 6135] <... set_robust_list resumed>) = 0 [pid 6134] <... close resumed>) = 0 [pid 6133] <... futex resumed>) = 1 [pid 6132] +++ exited with 0 +++ [pid 6130] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] <... futex resumed>) = 0 [pid 6135] rt_sigprocmask(SIG_SETMASK, [], [pid 6133] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6130] <... futex resumed>) = 0 [pid 6129] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6130] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6129] <... futex resumed>) = 0 [pid 6133] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6129] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6133] <... ioctl resumed>) = 0 [pid 6133] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6134] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6127, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6135] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6134] <... futex resumed>) = 0 [pid 6133] <... futex resumed>) = 1 [pid 6129] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6135] <... openat resumed>) = 3 [pid 6134] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6133] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] exit_group(0 [pid 6135] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6133] <... futex resumed>) = ? [pid 6129] <... exit_group resumed>) = ? [pid 6135] <... futex resumed>) = 1 [pid 6134] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6133] +++ exited with 0 +++ [pid 6130] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6137 attached ./strace-static-x86_64: Process 6136 attached [pid 6135] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6130] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] +++ exited with 0 +++ [pid 6137] set_robust_list(0x555581d606a0, 24 [pid 6136] set_robust_list(0x555581d606a0, 24 [pid 6135] <... ioctl resumed>) = 0 [pid 6134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6130] <... futex resumed>) = 0 [pid 6136] <... set_robust_list resumed>) = 0 [pid 6135] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... mmap resumed>) = 0x7ff12c95c000 [pid 6130] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6135] <... futex resumed>) = 0 [pid 6134] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6137] <... set_robust_list resumed>) = 0 [pid 6135] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6134] <... mprotect resumed>) = 0 [pid 6130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6136] <... prctl resumed>) = 0 [pid 6134] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6130] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6137 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6136 [pid 6137] <... prctl resumed>) = 0 [pid 6136] setpgid(0, 0 [pid 6135] <... futex resumed>) = 0 [pid 6134] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6130] <... futex resumed>) = 1 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6137] setpgid(0, 0 [pid 6136] <... setpgid resumed>) = 0 [pid 6135] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6134] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6130] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6137] <... setpgid resumed>) = 0 [pid 6136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6135] <... ioctl resumed>) = 0 [pid 6135] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6138 attached [pid 6136] <... openat resumed>) = 3 [pid 6135] <... futex resumed>) = 1 [pid 6130] <... futex resumed>) = 0 [pid 6137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6135] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6130] exit_group(0 [pid 6135] <... futex resumed>) = ? [pid 6130] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6139 attached [pid 6138] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6137] <... openat resumed>) = 3 [pid 6136] write(3, "1000", 4 [pid 6135] +++ exited with 0 +++ [pid 6134] <... clone3 resumed> => {parent_tid=[6138]}, 88) = 6138 [pid 6139] set_robust_list(0x555581d606a0, 24 [pid 6138] <... rseq resumed>) = 0 [pid 6137] write(3, "1000", 4 [pid 6136] <... write resumed>) = 4 [pid 6134] rt_sigprocmask(SIG_SETMASK, [], [pid 6139] <... set_robust_list resumed>) = 0 [pid 6139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6130] +++ exited with 0 +++ [pid 6134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6138] set_robust_list(0x7ff12c97c9a0, 24 [pid 6139] <... prctl resumed>) = 0 [pid 6137] <... write resumed>) = 4 [pid 6138] <... set_robust_list resumed>) = 0 [pid 6136] close(3 [pid 6134] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6139 [pid 6138] rt_sigprocmask(SIG_SETMASK, [], [pid 6137] close(3 [pid 6136] <... close resumed>) = 0 [pid 6139] setpgid(0, 0 [pid 6138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6137] <... close resumed>) = 0 [pid 6139] <... setpgid resumed>) = 0 [pid 6134] <... futex resumed>) = 0 [pid 6136] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6138] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6137] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... futex resumed>) = 0 [pid 6134] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6138] <... openat resumed>) = 3 [pid 6137] <... futex resumed>) = 0 [pid 6136] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6139] <... openat resumed>) = 3 [pid 6138] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6136] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6139] write(3, "1000", 4 [pid 6138] <... futex resumed>) = 1 [pid 6137] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6136] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6134] <... futex resumed>) = 0 [pid 6138] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6137] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6134] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] <... write resumed>) = 4 [pid 6138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6134] <... futex resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6139] close(3 [pid 6138] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6137] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6134] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6139] <... close resumed>) = 0 [pid 6137] <... mmap resumed>) = 0x7ff12c95c000 [pid 6136] <... mmap resumed>) = 0x7ff12c95c000 [pid 6138] <... ioctl resumed>) = 0 [pid 6139] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6139] <... futex resumed>) = 0 [pid 6138] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6136] <... mprotect resumed>) = 0 [pid 6139] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, ./strace-static-x86_64: Process 6140 attached [pid 6138] <... futex resumed>) = 1 [pid 6137] <... mprotect resumed>) = 0 [pid 6136] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6134] <... futex resumed>) = 0 [pid 6140] set_robust_list(0x555581d606a0, 24 [pid 6139] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6140] <... set_robust_list resumed>) = 0 [pid 6139] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6138] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6137] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6136] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6134] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6140 [pid 6140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6137] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6136] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6134] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6141 attached [pid 6140] <... prctl resumed>) = 0 [pid 6139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6138] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6137] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6134] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6142 attached [pid 6141] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6140] setpgid(0, 0 [pid 6139] <... mmap resumed>) = 0x7ff12c95c000 [pid 6138] <... ioctl resumed>) = 0 [pid 6142] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6141] <... rseq resumed>) = 0 [pid 6137] <... clone3 resumed> => {parent_tid=[6142]}, 88) = 6142 [pid 6142] <... rseq resumed>) = 0 [pid 6141] set_robust_list(0x7ff12c97c9a0, 24 [pid 6142] set_robust_list(0x7ff12c97c9a0, 24 [pid 6137] rt_sigprocmask(SIG_SETMASK, [], [pid 6141] <... set_robust_list resumed>) = 0 [pid 6142] <... set_robust_list resumed>) = 0 [pid 6137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6142] rt_sigprocmask(SIG_SETMASK, [], [pid 6141] rt_sigprocmask(SIG_SETMASK, [], [pid 6137] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6137] <... futex resumed>) = 0 [pid 6142] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6141] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] <... setpgid resumed>) = 0 [pid 6139] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6138] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6136] <... clone3 resumed> => {parent_tid=[6141]}, 88) = 6141 [pid 6142] <... openat resumed>) = 3 [pid 6140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6139] <... mprotect resumed>) = 0 [pid 6138] <... futex resumed>) = 1 [pid 6136] rt_sigprocmask(SIG_SETMASK, [], [pid 6134] <... futex resumed>) = 0 [pid 6142] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] <... openat resumed>) = 3 [pid 6139] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6138] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6134] exit_group(0 [pid 6142] <... futex resumed>) = 1 [pid 6140] write(3, "1000", 4 [pid 6139] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6137] <... futex resumed>) = 0 [pid 6136] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] <... write resumed>) = 4 [pid 6139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6141] <... futex resumed>) = 0 [pid 6137] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... futex resumed>) = 1 [pid 6142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6140] close(3./strace-static-x86_64: Process 6143 attached [pid 6138] <... futex resumed>) = ? [pid 6134] <... exit_group resumed>) = ? [pid 6143] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6142] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6141] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6140] <... close resumed>) = 0 [pid 6139] <... clone3 resumed> => {parent_tid=[6143]}, 88) = 6143 [pid 6138] +++ exited with 0 +++ [pid 6137] <... futex resumed>) = 0 [pid 6136] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6134] +++ exited with 0 +++ [pid 6143] <... rseq resumed>) = 0 [pid 6142] <... ioctl resumed>) = 0 [pid 6141] <... openat resumed>) = 3 [pid 6140] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] rt_sigprocmask(SIG_SETMASK, [], [pid 6137] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6134, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6143] set_robust_list(0x7ff12c97c9a0, 24 [pid 6142] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] <... futex resumed>) = 0 [pid 6139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6143] <... set_robust_list resumed>) = 0 [pid 6142] <... futex resumed>) = 0 [pid 6141] <... futex resumed>) = 1 [pid 6140] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6139] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... futex resumed>) = 0 [pid 6143] rt_sigprocmask(SIG_SETMASK, [], [pid 6142] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6143] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6143] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3 [pid 6142] <... ioctl resumed>) = 0 [pid 6140] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6141] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6139] <... futex resumed>) = 0 [pid 6137] <... futex resumed>) = 0 [pid 6136] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6143] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6139] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6137] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6136] <... futex resumed>) = 0 [pid 6143] <... futex resumed>) = 0 [pid 6141] <... ioctl resumed>) = 0 [pid 6136] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] <... futex resumed>) = 0 [pid 6140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6143] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6142] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6141] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6139] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] <... futex resumed>) = 0 [pid 6139] <... futex resumed>) = 1 [pid 6143] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6141] <... futex resumed>) = 1 [pid 6140] <... mmap resumed>) = 0x7ff12c95c000 [pid 6139] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6137] exit_group(0 [pid 6136] <... futex resumed>) = 0 [pid 6142] <... futex resumed>) = ? [pid 6141] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6137] <... exit_group resumed>) = ? [pid 6136] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6143] <... ioctl resumed>) = 0 [pid 6142] +++ exited with 0 +++ [pid 6141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6136] <... futex resumed>) = 0 [pid 6143] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6143] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6139] <... futex resumed>) = 0 [pid 6139] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] <... futex resumed>) = 0 [pid 6139] <... futex resumed>) = 1 [pid 6143] ioctl(3, SNDRV_TIMER_IOCTL_START, 0) = 0 [pid 6143] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6143] <... futex resumed>) = 0 [pid 6139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6143] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6139] exit_group(0 [pid 6143] <... futex resumed>) = ? [pid 6139] <... exit_group resumed>) = ? [pid 6136] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6144 attached [pid 6143] +++ exited with 0 +++ [pid 6141] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6140] <... mprotect resumed>) = 0 [pid 6139] +++ exited with 0 +++ [pid 6137] +++ exited with 0 +++ [pid 6144] set_robust_list(0x555581d606a0, 24 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6144 [pid 6144] <... set_robust_list resumed>) = 0 [pid 6144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6140] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6137, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6141] <... ioctl resumed>) = 0 [pid 6140] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6141] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] <... prctl resumed>) = 0 [pid 6144] setpgid(0, 0) = 0 [pid 6144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6141] <... futex resumed>) = 1 [pid 6136] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6145 attached [pid 6144] <... openat resumed>) = 3 [pid 6145] set_robust_list(0x555581d606a0, 24) = 0 [pid 6145] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6146 attached [pid 6144] write(3, "1000", 4 [pid 6141] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6136] exit_group(0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6145 [pid 6146] set_robust_list(0x555581d606a0, 24 [pid 6144] <... write resumed>) = 4 [pid 6136] <... exit_group resumed>) = ? [pid 6145] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6147 attached [pid 6146] <... set_robust_list resumed>) = 0 [pid 6145] setpgid(0, 0 [pid 6141] <... futex resumed>) = ? [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6146 [pid 6145] <... setpgid resumed>) = 0 [pid 6144] close(3 [pid 6145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6144] <... close resumed>) = 0 [pid 6146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6145] <... openat resumed>) = 3 [pid 6144] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] <... clone3 resumed> => {parent_tid=[6147]}, 88) = 6147 [pid 6147] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6146] <... prctl resumed>) = 0 [pid 6144] <... futex resumed>) = 0 [pid 6140] rt_sigprocmask(SIG_SETMASK, [], [pid 6147] <... rseq resumed>) = 0 [pid 6146] setpgid(0, 0 [pid 6144] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6147] set_robust_list(0x7ff12c97c9a0, 24 [pid 6146] <... setpgid resumed>) = 0 [pid 6145] write(3, "1000", 4 [pid 6144] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6140] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] +++ exited with 0 +++ [pid 6140] <... futex resumed>) = 0 [pid 6136] +++ exited with 0 +++ [pid 6146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6140] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 6147] <... set_robust_list resumed>) = 0 [pid 6146] <... openat resumed>) = 3 [pid 5070] <... restart_syscall resumed>) = 0 [pid 6147] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6146] write(3, "1000", 4 [pid 6145] <... write resumed>) = 4 [pid 6144] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6146] <... write resumed>) = 4 [pid 6147] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6145] close(3 [pid 6144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6145] <... close resumed>) = 0 [pid 6144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6146] close(3) = 0 [pid 6145] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] <... mmap resumed>) = 0x7ff12c95c000 [pid 6147] <... openat resumed>) = 3 [pid 6147] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] <... futex resumed>) = 1 [pid 6146] <... futex resumed>) = 0 [pid 6140] <... futex resumed>) = 0 [pid 6147] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6146] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 6140] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6147] <... futex resumed>) = 0 [pid 6146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6146] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6140] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6149 attached [pid 6147] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6140] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6145] <... futex resumed>) = 0 [pid 6144] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6149 [pid 6149] set_robust_list(0x555581d606a0, 24 [pid 6147] <... ioctl resumed>) = 0 [pid 6146] <... mmap resumed>) = 0x7ff12c95c000 [pid 6144] <... mprotect resumed>) = 0 [pid 6149] <... set_robust_list resumed>) = 0 [pid 6147] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6145] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6144] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6147] <... futex resumed>) = 1 [pid 6146] <... mprotect resumed>) = 0 [pid 6145] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6144] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6140] <... futex resumed>) = 0 [pid 6149] <... prctl resumed>) = 0 [pid 6147] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6146] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6145] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6144] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6149] setpgid(0, 0 [pid 6146] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6140] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6150 attached [pid 6149] <... setpgid resumed>) = 0 [pid 6147] <... futex resumed>) = 0 [pid 6146] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6144] <... clone3 resumed> => {parent_tid=[6150]}, 88) = 6150 [pid 6140] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6151 attached [pid 6150] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6147] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6145] <... mmap resumed>) = 0x7ff12c95c000 [pid 6144] rt_sigprocmask(SIG_SETMASK, [], [pid 6140] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6151] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6150] <... rseq resumed>) = 0 [pid 6149] <... openat resumed>) = 3 [pid 6147] <... ioctl resumed>) = 0 [pid 6146] <... clone3 resumed> => {parent_tid=[6151]}, 88) = 6151 [pid 6145] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6151] <... rseq resumed>) = 0 [pid 6150] set_robust_list(0x7ff12c97c9a0, 24 [pid 6147] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] rt_sigprocmask(SIG_SETMASK, [], [pid 6145] <... mprotect resumed>) = 0 [pid 6144] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] set_robust_list(0x7ff12c97c9a0, 24 [pid 6150] <... set_robust_list resumed>) = 0 [pid 6149] write(3, "1000", 4 [pid 6147] <... futex resumed>) = 1 [pid 6146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6140] <... futex resumed>) = 0 [pid 6151] <... set_robust_list resumed>) = 0 [pid 6150] rt_sigprocmask(SIG_SETMASK, [], [pid 6149] <... write resumed>) = 4 [pid 6147] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6146] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6144] <... futex resumed>) = 0 [pid 6140] exit_group(0 [pid 6151] rt_sigprocmask(SIG_SETMASK, [], [pid 6150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6149] close(3 [pid 6147] <... futex resumed>) = ? [pid 6146] <... futex resumed>) = 0 [pid 6144] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6140] <... exit_group resumed>) = ? [pid 6151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6150] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6149] <... close resumed>) = 0 [pid 6147] +++ exited with 0 +++ [pid 6146] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6145] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6140] +++ exited with 0 +++ [pid 6151] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6150] <... openat resumed>) = 3 [pid 6149] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6151] <... openat resumed>) = 3 [pid 6149] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6152 attached [pid 6151] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6145] <... clone3 resumed> => {parent_tid=[6152]}, 88) = 6152 [pid 6152] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6151] <... futex resumed>) = 1 [pid 6150] <... futex resumed>) = 1 [pid 6149] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6146] <... futex resumed>) = 0 [pid 6145] rt_sigprocmask(SIG_SETMASK, [], [pid 6144] <... futex resumed>) = 0 [pid 6152] <... rseq resumed>) = 0 [pid 6151] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6150] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6149] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6146] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6152] set_robust_list(0x7ff12c97c9a0, 24 [pid 6151] <... ioctl resumed>) = 0 [pid 6150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6146] <... futex resumed>) = 0 [pid 6145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6144] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... set_robust_list resumed>) = 0 [pid 6151] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6146] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6153 attached [pid 6152] rt_sigprocmask(SIG_SETMASK, [], [pid 6151] <... futex resumed>) = 0 [pid 6150] <... ioctl resumed>) = 0 [pid 6149] <... mmap resumed>) = 0x7ff12c95c000 [pid 6146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6145] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] <... futex resumed>) = 0 [pid 6152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6145] <... futex resumed>) = 0 [pid 6153] set_robust_list(0x555581d606a0, 24 [pid 6144] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6152] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6145] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6151] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6146] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... openat resumed>) = 3 [pid 6153] <... set_robust_list resumed>) = 0 [pid 6151] <... futex resumed>) = 0 [pid 6150] <... futex resumed>) = 1 [pid 6149] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6146] <... futex resumed>) = 1 [pid 6144] <... futex resumed>) = 0 [pid 6144] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6152] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6150] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6149] <... mprotect resumed>) = 0 [pid 6146] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6144] <... futex resumed>) = 0 [pid 6152] <... futex resumed>) = 1 [pid 6151] <... ioctl resumed>) = 0 [pid 6150] <... ioctl resumed>) = 0 [pid 6145] <... futex resumed>) = 0 [pid 6144] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6153] <... prctl resumed>) = 0 [pid 6151] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6145] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6153 [pid 6153] setpgid(0, 0 [pid 6152] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6151] <... futex resumed>) = 1 [pid 6150] <... futex resumed>) = 1 [pid 6149] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6146] <... futex resumed>) = 0 [pid 6145] <... futex resumed>) = 0 [pid 6144] <... futex resumed>) = 0 [pid 6153] <... setpgid resumed>) = 0 [pid 6152] <... ioctl resumed>) = 0 [pid 6151] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6150] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6149] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6146] exit_group(0 [pid 6145] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6144] exit_group(0./strace-static-x86_64: Process 6154 attached [pid 6153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6152] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] <... futex resumed>) = ? [pid 6150] <... futex resumed>) = ? [pid 6146] <... exit_group resumed>) = ? [pid 6145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6144] <... exit_group resumed>) = ? [pid 6154] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6152] <... futex resumed>) = 0 [pid 6151] +++ exited with 0 +++ [pid 6150] +++ exited with 0 +++ [pid 6145] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... rseq resumed>) = 0 [pid 6152] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6149] <... clone3 resumed> => {parent_tid=[6154]}, 88) = 6154 [pid 6146] +++ exited with 0 +++ [pid 6145] <... futex resumed>) = 0 [pid 6144] +++ exited with 0 +++ [pid 6154] set_robust_list(0x7ff12c97c9a0, 24 [pid 6153] <... openat resumed>) = 3 [pid 6149] rt_sigprocmask(SIG_SETMASK, [], [pid 6145] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6146, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6154] <... set_robust_list resumed>) = 0 [pid 6149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6154] rt_sigprocmask(SIG_SETMASK, [], [pid 6149] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6153] write(3, "1000", 4 [pid 6152] <... ioctl resumed>) = 0 [pid 6149] <... futex resumed>) = 0 [pid 6154] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6149] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6152] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] <... write resumed>) = 4 [pid 6152] <... futex resumed>) = 1 [pid 6145] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6155 attached [pid 6154] <... openat resumed>) = 3 [pid 6153] close(3 [pid 6152] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6145] exit_group(0 [pid 6153] <... close resumed>) = 0 [pid 6152] <... futex resumed>) = ? [pid 6145] <... exit_group resumed>) = ? [pid 6155] set_robust_list(0x555581d606a0, 24 [pid 6154] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6155] <... set_robust_list resumed>) = 0 [pid 6154] <... futex resumed>) = 1 [pid 6149] <... futex resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6155 [pid 6155] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6154] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6149] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6154] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6149] <... futex resumed>) = 0 [pid 6155] <... prctl resumed>) = 0 [pid 6154] <... ioctl resumed>) = 0 [pid 6149] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6155] setpgid(0, 0 [pid 6154] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] <... setpgid resumed>) = 0 [pid 6154] <... futex resumed>) = 1 [pid 6149] <... futex resumed>) = 0 [pid 6154] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6149] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6154] <... ioctl resumed>) = 0 [pid 6149] <... futex resumed>) = 0 [pid 6154] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6155] <... openat resumed>) = 3 [pid 6154] <... futex resumed>) = 0 [pid 6149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6156 [pid 6154] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6149] exit_group(0 [pid 6154] <... futex resumed>) = ? [pid 6149] <... exit_group resumed>) = ? [pid 6155] write(3, "1000", 4 [pid 6154] +++ exited with 0 +++ [pid 6149] +++ exited with 0 +++ [pid 6155] <... write resumed>) = 4 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6155] close(3 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 6155] <... close resumed>) = 0 [pid 6155] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6156 attached [pid 6155] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6153] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] +++ exited with 0 +++ [pid 6145] +++ exited with 0 +++ [pid 5070] <... restart_syscall resumed>) = 0 [pid 6156] set_robust_list(0x555581d606a0, 24 [pid 6155] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6153] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6145, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6156] <... set_robust_list resumed>) = 0 [pid 6155] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6153] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6156] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6155] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6153] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6156] <... prctl resumed>) = 0 [pid 6155] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6157 attached [pid 6156] setpgid(0, 0 [pid 6155] <... mmap resumed>) = 0x7ff12c95c000 [pid 6153] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6156] <... setpgid resumed>) = 0 [pid 6156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6155] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6153] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6158 attached [pid 6157] set_robust_list(0x555581d606a0, 24 [pid 6153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6158] set_robust_list(0x555581d606a0, 24 [pid 6157] <... set_robust_list resumed>) = 0 [pid 6156] <... openat resumed>) = 3 [pid 6155] <... mprotect resumed>) = 0 [pid 6153] <... mmap resumed>) = 0x7ff12c95c000 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6157 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6158 [pid 6158] <... set_robust_list resumed>) = 0 [pid 6157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6156] write(3, "1000", 4 [pid 6155] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6153] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6158] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6157] <... prctl resumed>) = 0 [pid 6156] <... write resumed>) = 4 [pid 6155] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6153] <... mprotect resumed>) = 0 [pid 6158] <... prctl resumed>) = 0 [pid 6157] setpgid(0, 0 [pid 6156] close(3 [pid 6155] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6153] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6159 attached [pid 6158] setpgid(0, 0 [pid 6157] <... setpgid resumed>) = 0 [pid 6156] <... close resumed>) = 0 [pid 6158] <... setpgid resumed>) = 0 [pid 6158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6156] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] <... clone3 resumed> => {parent_tid=[6159]}, 88) = 6159 [pid 6157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6156] <... futex resumed>) = 0 [pid 6155] rt_sigprocmask(SIG_SETMASK, [], [pid 6153] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6159] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6158] <... openat resumed>) = 3 [pid 6157] <... openat resumed>) = 3 [pid 6156] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6155] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6153] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6159] <... rseq resumed>) = 0 [pid 6158] write(3, "1000", 4 [pid 6157] write(3, "1000", 4 [pid 6156] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6155] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6160 attached [pid 6159] set_robust_list(0x7ff12c97c9a0, 24 [pid 6158] <... write resumed>) = 4 [pid 6157] <... write resumed>) = 4 [pid 6156] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6155] <... futex resumed>) = 0 [pid 6160] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6159] <... set_robust_list resumed>) = 0 [pid 6158] close(3 [pid 6157] close(3 [pid 6156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6155] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6153] <... clone3 resumed> => {parent_tid=[6160]}, 88) = 6160 [pid 6160] <... rseq resumed>) = 0 [pid 6159] rt_sigprocmask(SIG_SETMASK, [], [pid 6158] <... close resumed>) = 0 [pid 6157] <... close resumed>) = 0 [pid 6156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6160] set_robust_list(0x7ff12c97c9a0, 24 [pid 6159] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6158] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] <... mmap resumed>) = 0x7ff12c95c000 [pid 6153] rt_sigprocmask(SIG_SETMASK, [], [pid 6160] <... set_robust_list resumed>) = 0 [pid 6159] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6158] <... futex resumed>) = 0 [pid 6157] <... futex resumed>) = 0 [pid 6156] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6160] rt_sigprocmask(SIG_SETMASK, [], [pid 6158] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6157] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6156] <... mprotect resumed>) = 0 [pid 6153] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6157] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6156] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6153] <... futex resumed>) = 0 [pid 6160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6159] <... openat resumed>) = 3 [pid 6158] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6156] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6153] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6160] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6159] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6156] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6159] <... futex resumed>) = 1 [pid 6158] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6161 attached [pid 6160] <... openat resumed>) = 3 [pid 6159] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6157] <... mmap resumed>) = 0x7ff12c95c000 [pid 6156] <... clone3 resumed> => {parent_tid=[6161]}, 88) = 6161 [pid 6155] <... futex resumed>) = 0 [pid 6161] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6160] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6158] <... mmap resumed>) = 0x7ff12c95c000 [pid 6157] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6156] rt_sigprocmask(SIG_SETMASK, [], [pid 6155] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] <... rseq resumed>) = 0 [pid 6160] <... futex resumed>) = 1 [pid 6159] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6158] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6157] <... mprotect resumed>) = 0 [pid 6156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6155] <... futex resumed>) = 0 [pid 6153] <... futex resumed>) = 0 [pid 6161] set_robust_list(0x7ff12c97c9a0, 24 [pid 6160] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6159] <... ioctl resumed>) = 0 [pid 6158] <... mprotect resumed>) = 0 [pid 6157] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6156] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6153] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] <... set_robust_list resumed>) = 0 [pid 6160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6159] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6157] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6156] <... futex resumed>) = 0 [pid 6155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6153] <... futex resumed>) = 0 [pid 6161] rt_sigprocmask(SIG_SETMASK, [], [pid 6160] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6159] <... futex resumed>) = 0 [pid 6158] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6157] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6156] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6155] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6162 attached [pid 6161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6160] <... ioctl resumed>) = 0 [pid 6159] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6158] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6155] <... futex resumed>) = 0 [pid 6162] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6161] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6160] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... ioctl resumed>) = 0 [pid 6155] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6163 attached [pid 6162] <... rseq resumed>) = 0 [pid 6161] <... openat resumed>) = 3 [pid 6160] <... futex resumed>) = 1 [pid 6159] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] <... clone3 resumed> => {parent_tid=[6162]}, 88) = 6162 [pid 6155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6153] <... futex resumed>) = 0 [pid 6163] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6162] set_robust_list(0x7ff12c97c9a0, 24 [pid 6161] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6159] <... futex resumed>) = 0 [pid 6153] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... rseq resumed>) = 0 [pid 6161] <... futex resumed>) = 1 [pid 6156] <... futex resumed>) = 0 [pid 6153] <... futex resumed>) = 0 [pid 6163] set_robust_list(0x7ff12c97c9a0, 24 [pid 6161] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6156] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] exit_group(0 [pid 6153] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6163] <... set_robust_list resumed>) = 0 [pid 6163] rt_sigprocmask(SIG_SETMASK, [], [pid 6161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6156] <... futex resumed>) = 0 [pid 6155] <... exit_group resumed>) = ? [pid 6163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6161] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6156] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6163] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6162] <... set_robust_list resumed>) = 0 [pid 6161] <... ioctl resumed>) = 0 [pid 6160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6158] <... clone3 resumed> => {parent_tid=[6163]}, 88) = 6163 [pid 6157] rt_sigprocmask(SIG_SETMASK, [], [pid 6162] rt_sigprocmask(SIG_SETMASK, [], [pid 6161] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6159] +++ exited with 0 +++ [pid 6158] rt_sigprocmask(SIG_SETMASK, [], [pid 6157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6155] +++ exited with 0 +++ [pid 6162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6160] <... ioctl resumed>) = 0 [pid 6158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6157] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6160] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] <... futex resumed>) = 0 [pid 6162] <... openat resumed>) = 3 [pid 6160] <... futex resumed>) = 1 [pid 6158] <... futex resumed>) = 1 [pid 6157] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6162] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6158] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6162] <... futex resumed>) = 0 [pid 6157] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6157] <... futex resumed>) = 0 [pid 6162] <... ioctl resumed>) = 0 [pid 6157] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6162] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... futex resumed>) = 0 [pid 6161] <... futex resumed>) = 1 [pid 6156] <... futex resumed>) = 0 [pid 6153] <... futex resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6155, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6156] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6163] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6162] <... futex resumed>) = 1 [pid 6161] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6157] <... futex resumed>) = 0 [pid 6156] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6153] exit_group(0 [pid 6162] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6161] <... ioctl resumed>) = 0 [pid 6160] <... futex resumed>) = ? [pid 6157] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] <... exit_group resumed>) = ? [pid 6163] <... openat resumed>) = 3 [pid 6162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6161] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] +++ exited with 0 +++ [pid 6157] <... futex resumed>) = 0 [pid 6153] +++ exited with 0 +++ [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6163] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6161] <... futex resumed>) = 1 [pid 6157] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6156] <... futex resumed>) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6153, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6162] <... ioctl resumed>) = 0 [pid 6161] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6156] exit_group(0 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 6163] <... futex resumed>) = 1 [pid 6162] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] <... futex resumed>) = ? [pid 6158] <... futex resumed>) = 0 [pid 6156] <... exit_group resumed>) = ? [pid 5066] <... restart_syscall resumed>) = 0 [pid 6163] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6162] <... futex resumed>) = 1 [pid 6161] +++ exited with 0 +++ [pid 6158] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] <... futex resumed>) = 0 [pid 6162] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6158] <... futex resumed>) = 0 [pid 6157] exit_group(0 [pid 6162] <... futex resumed>) = ? [pid 6157] <... exit_group resumed>) = ? [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6162] +++ exited with 0 +++ [pid 6158] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6157] +++ exited with 0 +++ [pid 6156] +++ exited with 0 +++ ./strace-static-x86_64: Process 6165 attached ./strace-static-x86_64: Process 6164 attached [pid 6163] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6156, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6157, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 6164] set_robust_list(0x555581d606a0, 24 [pid 6163] <... ioctl resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6165] set_robust_list(0x555581d606a0, 24 [pid 6163] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6158] <... futex resumed>) = 0 [pid 6164] <... set_robust_list resumed>) = 0 [pid 6158] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... set_robust_list resumed>) = 0 [pid 6163] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6158] <... futex resumed>) = 0 [pid 6164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6158] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... restart_syscall resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6164 [pid 6163] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6166 attached [pid 6165] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6164] <... prctl resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6165 [pid 6166] set_robust_list(0x555581d606a0, 24 [pid 6165] <... prctl resumed>) = 0 [pid 6164] setpgid(0, 0 [pid 6163] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] <... set_robust_list resumed>) = 0 [pid 6165] setpgid(0, 0 [pid 6164] <... setpgid resumed>) = 0 [pid 6163] <... futex resumed>) = 1 [pid 6158] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6166 [pid 6166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6163] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6158] exit_group(0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6158] <... exit_group resumed>) = ? [pid 6166] <... prctl resumed>) = 0 [pid 6165] <... setpgid resumed>) = 0 [pid 6164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6163] <... futex resumed>) = ? [pid 6166] setpgid(0, 0 [pid 6165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6163] +++ exited with 0 +++ [pid 6166] <... setpgid resumed>) = 0 [pid 6165] <... openat resumed>) = 3 [pid 6164] <... openat resumed>) = 3 [pid 6166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6167 attached ) = 3 [pid 6158] +++ exited with 0 +++ [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6167 [pid 6165] write(3, "1000", 4 [pid 6164] write(3, "1000", 4 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6158, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6167] set_robust_list(0x555581d606a0, 24 [pid 6166] write(3, "1000", 4 [pid 6165] <... write resumed>) = 4 [pid 6164] <... write resumed>) = 4 [pid 6167] <... set_robust_list resumed>) = 0 [pid 6166] <... write resumed>) = 4 [pid 6164] close(3 [pid 6167] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6166] close(3 [pid 6165] close(3 [pid 6164] <... close resumed>) = 0 [pid 6166] <... close resumed>) = 0 [pid 6165] <... close resumed>) = 0 [pid 6167] <... prctl resumed>) = 0 [pid 6166] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6167] setpgid(0, 0 [pid 6166] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = 0 [pid 6164] <... futex resumed>) = 0 [pid 6167] <... setpgid resumed>) = 0 [pid 6166] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6165] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6166] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6164] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6166] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6165] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6164] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6165] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6164] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 6168 attached [pid 6167] <... openat resumed>) = 3 [pid 6166] <... mmap resumed>) = 0x7ff12c95c000 [pid 6165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6164] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6166] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6168 [pid 6168] set_robust_list(0x555581d606a0, 24 [pid 6166] <... mprotect resumed>) = 0 [pid 6165] <... mmap resumed>) = 0x7ff12c95c000 [pid 6164] <... mmap resumed>) = 0x7ff12c95c000 [pid 6168] <... set_robust_list resumed>) = 0 [pid 6167] write(3, "1000", 4 [pid 6165] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6164] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6166] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6167] <... write resumed>) = 4 [pid 6166] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6164] <... mprotect resumed>) = 0 [pid 6168] <... prctl resumed>) = 0 [pid 6167] close(3 [pid 6166] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6165] <... mprotect resumed>) = 0 [pid 6168] setpgid(0, 0 [pid 6167] <... close resumed>) = 0 [pid 6164] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6167] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6169 attached [pid 6168] <... setpgid resumed>) = 0 [pid 6167] <... futex resumed>) = 0 [pid 6165] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6169] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6167] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6169] <... rseq resumed>) = 0 [pid 6164] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6165] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6166] <... clone3 resumed> => {parent_tid=[6169]}, 88) = 6169 [pid 6169] set_robust_list(0x7ff12c97c9a0, 24 [pid 6168] <... openat resumed>) = 3 [pid 6167] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6164] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6169] <... set_robust_list resumed>) = 0 [pid 6166] rt_sigprocmask(SIG_SETMASK, [], [pid 6165] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6169] rt_sigprocmask(SIG_SETMASK, [], [pid 6167] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6169] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6168] write(3, "1000", 4 [pid 6167] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6171 attached ./strace-static-x86_64: Process 6170 attached [pid 6169] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6168] <... write resumed>) = 4 [pid 6167] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6171] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6170] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6168] close(3 [pid 6167] <... mmap resumed>) = 0x7ff12c95c000 [pid 6165] <... clone3 resumed> => {parent_tid=[6170]}, 88) = 6170 [pid 6171] <... rseq resumed>) = 0 [pid 6170] <... rseq resumed>) = 0 [pid 6168] <... close resumed>) = 0 [pid 6167] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6166] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] <... clone3 resumed> => {parent_tid=[6171]}, 88) = 6171 [pid 6165] rt_sigprocmask(SIG_SETMASK, [], [pid 6171] set_robust_list(0x7ff12c97c9a0, 24 [pid 6170] set_robust_list(0x7ff12c97c9a0, 24 [pid 6168] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... mprotect resumed>) = 0 [pid 6171] <... set_robust_list resumed>) = 0 [pid 6170] <... set_robust_list resumed>) = 0 [pid 6169] <... futex resumed>) = 0 [pid 6168] <... futex resumed>) = 0 [pid 6166] <... futex resumed>) = 1 [pid 6165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6164] rt_sigprocmask(SIG_SETMASK, [], [pid 6171] rt_sigprocmask(SIG_SETMASK, [], [pid 6170] rt_sigprocmask(SIG_SETMASK, [], [pid 6169] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6168] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6167] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6166] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6165] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6168] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6167] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6165] <... futex resumed>) = 0 [pid 6164] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6170] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6168] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6167] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6165] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6164] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6172 attached [pid 6171] <... openat resumed>) = 3 [pid 6170] <... openat resumed>) = 3 [pid 6168] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6164] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6172] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6172] <... rseq resumed>) = 0 [pid 6171] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... mmap resumed>) = 0x7ff12c95c000 [pid 6167] <... clone3 resumed> => {parent_tid=[6172]}, 88) = 6172 [pid 6172] set_robust_list(0x7ff12c97c9a0, 24 [pid 6171] <... futex resumed>) = 1 [pid 6170] <... futex resumed>) = 1 [pid 6168] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6167] rt_sigprocmask(SIG_SETMASK, [], [pid 6165] <... futex resumed>) = 0 [pid 6164] <... futex resumed>) = 0 [pid 6172] <... set_robust_list resumed>) = 0 [pid 6171] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6168] <... mprotect resumed>) = 0 [pid 6167] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6172] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6169] <... openat resumed>) = 3 [pid 6168] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6167] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6165] <... futex resumed>) = 1 [pid 6164] <... futex resumed>) = 1 [pid 6169] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6164] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6169] <... futex resumed>) = 1 [pid 6166] <... futex resumed>) = 0 [pid 6172] <... openat resumed>) = 3 [pid 6171] <... futex resumed>) = 0 [pid 6170] <... futex resumed>) = 0 [pid 6169] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6168] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6167] <... futex resumed>) = 0 [pid 6166] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6170] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6169] <... ioctl resumed>) = 0 [pid 6168] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6167] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6166] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6173 attached [pid 6172] <... futex resumed>) = 0 [pid 6171] <... ioctl resumed>) = 0 [pid 6170] <... ioctl resumed>) = 0 [pid 6169] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6166] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6173] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6172] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6171] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... futex resumed>) = 0 [pid 6168] <... clone3 resumed> => {parent_tid=[6173]}, 88) = 6173 [pid 6167] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6173] <... rseq resumed>) = 0 [pid 6172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6171] <... futex resumed>) = 1 [pid 6170] <... futex resumed>) = 1 [pid 6169] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6168] rt_sigprocmask(SIG_SETMASK, [], [pid 6167] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = 0 [pid 6164] <... futex resumed>) = 0 [pid 6173] set_robust_list(0x7ff12c97c9a0, 24 [pid 6172] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6171] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6168] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6167] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6166] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] <... set_robust_list resumed>) = 0 [pid 6172] <... ioctl resumed>) = 0 [pid 6171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6169] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6168] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = 0 [pid 6164] <... futex resumed>) = 0 [pid 6173] rt_sigprocmask(SIG_SETMASK, [], [pid 6172] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6170] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6168] <... futex resumed>) = 0 [pid 6166] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6172] <... futex resumed>) = 1 [pid 6171] <... ioctl resumed>) = 0 [pid 6170] <... ioctl resumed>) = 0 [pid 6169] <... ioctl resumed>) = 0 [pid 6168] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6167] <... futex resumed>) = 0 [pid 6165] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6164] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6173] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6172] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6171] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6171] <... futex resumed>) = 0 [pid 6170] <... futex resumed>) = 0 [pid 6167] <... futex resumed>) = 0 [pid 6172] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6171] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6167] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6172] <... ioctl resumed>) = 0 [pid 6172] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] <... openat resumed>) = 3 [pid 6169] <... futex resumed>) = 1 [pid 6166] <... futex resumed>) = 0 [pid 6165] exit_group(0 [pid 6164] exit_group(0 [pid 6171] <... futex resumed>) = ? [pid 6169] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6166] exit_group(0 [pid 6164] <... exit_group resumed>) = ? [pid 6173] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... futex resumed>) = 1 [pid 6171] +++ exited with 0 +++ [pid 6170] <... futex resumed>) = ? [pid 6169] <... futex resumed>) = ? [pid 6167] <... futex resumed>) = 0 [pid 6166] <... exit_group resumed>) = ? [pid 6165] <... exit_group resumed>) = ? [pid 6169] +++ exited with 0 +++ [pid 6170] +++ exited with 0 +++ [pid 6173] <... futex resumed>) = 1 [pid 6172] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6173] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6168] <... futex resumed>) = 0 [pid 6167] exit_group(0 [pid 6166] +++ exited with 0 +++ [pid 6165] +++ exited with 0 +++ [pid 6173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6172] <... futex resumed>) = ? [pid 6168] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... exit_group resumed>) = ? [pid 6172] +++ exited with 0 +++ [pid 6168] <... futex resumed>) = 0 [pid 6173] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6168] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6167] +++ exited with 0 +++ [pid 6164] +++ exited with 0 +++ [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6165, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6173] <... ioctl resumed>) = 0 [pid 6173] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6164, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6173] <... futex resumed>) = 0 [pid 6168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6167, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6173] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... restart_syscall resumed>) = 0 [pid 6173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6168] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6174 attached [pid 6173] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6174] set_robust_list(0x555581d606a0, 24 [pid 6173] <... ioctl resumed>) = 0 [pid 6168] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6173] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6173] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6174] <... set_robust_list resumed>) = 0 [pid 6168] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6174 ./strace-static-x86_64: Process 6176 attached ./strace-static-x86_64: Process 6175 attached [pid 6174] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6177 attached [pid 6176] set_robust_list(0x555581d606a0, 24 [pid 6175] set_robust_list(0x555581d606a0, 24 [pid 6174] <... prctl resumed>) = 0 [pid 6168] exit_group(0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6175 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6176 [pid 6177] set_robust_list(0x555581d606a0, 24 [pid 6176] <... set_robust_list resumed>) = 0 [pid 6175] <... set_robust_list resumed>) = 0 [pid 6174] setpgid(0, 0 [pid 6173] <... futex resumed>) = ? [pid 6168] <... exit_group resumed>) = ? [pid 6177] <... set_robust_list resumed>) = 0 [pid 6176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6174] <... setpgid resumed>) = 0 [pid 6177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6176] <... prctl resumed>) = 0 [pid 6175] <... prctl resumed>) = 0 [pid 6174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6177 [pid 6177] <... prctl resumed>) = 0 [pid 6176] setpgid(0, 0 [pid 6177] setpgid(0, 0 [pid 6176] <... setpgid resumed>) = 0 [pid 6175] setpgid(0, 0 [pid 6177] <... setpgid resumed>) = 0 [pid 6176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6175] <... setpgid resumed>) = 0 [pid 6174] <... openat resumed>) = 3 [pid 6173] +++ exited with 0 +++ [pid 6168] +++ exited with 0 +++ [pid 6177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6176] <... openat resumed>) = 3 [pid 6175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6174] write(3, "1000", 4 [pid 6177] <... openat resumed>) = 3 [pid 6176] write(3, "1000", 4 [pid 6175] <... openat resumed>) = 3 [pid 6174] <... write resumed>) = 4 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6177] write(3, "1000", 4 [pid 6176] <... write resumed>) = 4 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6177] <... write resumed>) = 4 [pid 6176] close(3 [pid 6174] close(3 [pid 6177] close(3 [pid 6176] <... close resumed>) = 0 [pid 6174] <... close resumed>) = 0 [pid 6177] <... close resumed>) = 0 [pid 6176] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] write(3, "1000", 4 [pid 6174] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6178 attached [pid 6177] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] <... futex resumed>) = 0 [pid 6175] <... write resumed>) = 4 [pid 6174] <... futex resumed>) = 0 [pid 6178] set_robust_list(0x555581d606a0, 24 [pid 6177] <... futex resumed>) = 0 [pid 6176] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6175] close(3 [pid 6174] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 6175] <... close resumed>) = 0 [pid 6175] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6175] <... futex resumed>) = 0 [pid 6174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6178] <... set_robust_list resumed>) = 0 [pid 6177] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6176] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6175] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6177] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6176] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6175] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6174] <... mmap resumed>) = 0x7ff12c95c000 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6178 [pid 6178] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6177] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6175] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6174] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6178] <... prctl resumed>) = 0 [pid 6177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6174] <... mprotect resumed>) = 0 [pid 6177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6176] <... mmap resumed>) = 0x7ff12c95c000 [pid 6175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6178] setpgid(0, 0 [pid 6177] <... mmap resumed>) = 0x7ff12c95c000 [pid 6176] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6175] <... mmap resumed>) = 0x7ff12c95c000 [pid 6174] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6177] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6176] <... mprotect resumed>) = 0 [pid 6175] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6176] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6175] <... mprotect resumed>) = 0 [pid 6174] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6175] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6174] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 6179 attached [pid 6178] <... setpgid resumed>) = 0 [pid 6177] <... mprotect resumed>) = 0 [pid 6176] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6175] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6179] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6176] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6175] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6174] <... clone3 resumed> => {parent_tid=[6179]}, 88) = 6179 ./strace-static-x86_64: Process 6180 attached [pid 6179] <... rseq resumed>) = 0 [pid 6177] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6174] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6181 attached [pid 6180] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6179] set_robust_list(0x7ff12c97c9a0, 24 [pid 6181] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6180] <... rseq resumed>) = 0 [pid 6179] <... set_robust_list resumed>) = 0 [pid 6175] <... clone3 resumed> => {parent_tid=[6181]}, 88) = 6181 [pid 6174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6181] <... rseq resumed>) = 0 [pid 6180] set_robust_list(0x7ff12c97c9a0, 24 [pid 6179] rt_sigprocmask(SIG_SETMASK, [], [pid 6176] <... clone3 resumed> => {parent_tid=[6180]}, 88) = 6180 [pid 6175] rt_sigprocmask(SIG_SETMASK, [], [pid 6174] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] set_robust_list(0x7ff12c97c9a0, 24 [pid 6180] <... set_robust_list resumed>) = 0 [pid 6177] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6174] <... futex resumed>) = 0 [pid 6180] rt_sigprocmask(SIG_SETMASK, [], [pid 6175] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6175] <... futex resumed>) = 0 [pid 6180] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6175] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6178] <... openat resumed>) = 3 [pid 6178] write(3, "1000", 4) = 4 [pid 6178] close(3 [pid 6181] <... set_robust_list resumed>) = 0 [pid 6179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6177] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6176] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6182 attached [pid 6181] rt_sigprocmask(SIG_SETMASK, [], [pid 6179] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6178] <... close resumed>) = 0 [pid 6176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6182] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6177] <... clone3 resumed> => {parent_tid=[6182]}, 88) = 6182 [pid 6182] <... rseq resumed>) = 0 [pid 6182] set_robust_list(0x7ff12c97c9a0, 24 [pid 6177] rt_sigprocmask(SIG_SETMASK, [], [pid 6182] <... set_robust_list resumed>) = 0 [pid 6177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6182] rt_sigprocmask(SIG_SETMASK, [], [pid 6177] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6177] <... futex resumed>) = 0 [pid 6182] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6179] <... openat resumed>) = 3 [pid 6178] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6176] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] <... openat resumed>) = 3 [pid 6181] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6180] <... futex resumed>) = 0 [pid 6179] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] <... futex resumed>) = 0 [pid 6176] <... futex resumed>) = 1 [pid 6182] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] <... openat resumed>) = 3 [pid 6180] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6179] <... futex resumed>) = 1 [pid 6178] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6174] <... futex resumed>) = 0 [pid 6182] <... futex resumed>) = 1 [pid 6177] <... futex resumed>) = 0 [pid 6182] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6177] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6177] <... futex resumed>) = 0 [pid 6182] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6177] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6182] <... ioctl resumed>) = 0 [pid 6181] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] <... openat resumed>) = 3 [pid 6179] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6178] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6176] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6174] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6178] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6174] <... futex resumed>) = 0 [pid 6180] <... futex resumed>) = 0 [pid 6179] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6176] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6180] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6179] <... ioctl resumed>) = 0 [pid 6178] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6176] <... futex resumed>) = 0 [pid 6180] <... ioctl resumed>) = 0 [pid 6179] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] <... mmap resumed>) = 0x7ff12c95c000 [pid 6176] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6180] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] <... futex resumed>) = 1 [pid 6178] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6174] <... futex resumed>) = 0 [pid 6180] <... futex resumed>) = 1 [pid 6179] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6178] <... mprotect resumed>) = 0 [pid 6176] <... futex resumed>) = 0 [pid 6174] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6176] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] <... futex resumed>) = 0 [pid 6180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6179] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6178] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6176] <... futex resumed>) = 0 [pid 6174] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6180] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6179] <... ioctl resumed>) = 0 [pid 6176] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6180] <... ioctl resumed>) = 0 [pid 6179] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] <... futex resumed>) = 1 [pid 6178] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6175] <... futex resumed>) = 0 [pid 6182] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] <... futex resumed>) = 1 [pid 6178] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6174] <... futex resumed>) = 0 [pid 6180] <... futex resumed>) = 1 [pid 6179] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6176] <... futex resumed>) = 0 [pid 6174] exit_group(0./strace-static-x86_64: Process 6183 attached [pid 6180] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6176] exit_group(0 [pid 6174] <... exit_group resumed>) = ? [pid 6183] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6180] <... futex resumed>) = ? [pid 6179] <... futex resumed>) = ? [pid 6178] <... clone3 resumed> => {parent_tid=[6183]}, 88) = 6183 [pid 6176] <... exit_group resumed>) = ? [pid 6183] <... rseq resumed>) = 0 [pid 6182] <... futex resumed>) = 1 [pid 6181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6180] +++ exited with 0 +++ [pid 6179] +++ exited with 0 +++ [pid 6178] rt_sigprocmask(SIG_SETMASK, [], [pid 6177] <... futex resumed>) = 0 [pid 6176] +++ exited with 0 +++ [pid 6175] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] +++ exited with 0 +++ [pid 6183] set_robust_list(0x7ff12c97c9a0, 24 [pid 6182] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6183] <... set_robust_list resumed>) = 0 [pid 6178] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] rt_sigprocmask(SIG_SETMASK, [], [pid 6178] <... futex resumed>) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6174, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6178] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6183] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3 [pid 6181] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6177] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6184 attached [pid 6183] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6181] <... ioctl resumed>) = 0 [pid 6177] <... futex resumed>) = 0 [pid 6175] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6184] set_robust_list(0x555581d606a0, 24 [pid 6183] <... futex resumed>) = 1 [pid 6182] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6181] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] <... futex resumed>) = 0 [pid 6177] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6175] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6176, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6181] <... futex resumed>) = 0 [pid 6175] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] <... ioctl resumed>) = 0 [pid 6181] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6175] <... futex resumed>) = 0 [pid 6183] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6178] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] <... ioctl resumed>) = 0 [pid 6183] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] <... futex resumed>) = 0 [pid 6183] <... futex resumed>) = 0 [pid 6178] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6183] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6184 [pid 6178] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] <... futex resumed>) = 0 [pid 6178] <... futex resumed>) = 1 [pid 6183] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6178] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6185 attached [pid 6183] <... ioctl resumed>) = 0 [pid 6181] <... ioctl resumed>) = 0 [pid 6175] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6185] set_robust_list(0x555581d606a0, 24 [pid 6184] <... set_robust_list resumed>) = 0 [pid 6183] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6185] <... set_robust_list resumed>) = 0 [pid 6184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6183] <... futex resumed>) = 1 [pid 6181] <... futex resumed>) = 0 [pid 6178] <... futex resumed>) = 0 [pid 6175] exit_group(0 [pid 6177] <... futex resumed>) = 0 [pid 6182] <... futex resumed>) = 1 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6185 [pid 6182] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6177] exit_group(0 [pid 6175] <... exit_group resumed>) = ? [pid 6181] +++ exited with 0 +++ [pid 6185] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6184] <... prctl resumed>) = 0 [pid 6183] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6182] <... futex resumed>) = ? [pid 6178] exit_group(0 [pid 6185] <... prctl resumed>) = 0 [pid 6184] setpgid(0, 0 [pid 6183] <... futex resumed>) = ? [pid 6178] <... exit_group resumed>) = ? [pid 6184] <... setpgid resumed>) = 0 [pid 6183] +++ exited with 0 +++ [pid 6182] +++ exited with 0 +++ [pid 6178] +++ exited with 0 +++ [pid 6177] <... exit_group resumed>) = ? [pid 6175] +++ exited with 0 +++ [pid 6185] setpgid(0, 0 [pid 6184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6185] <... setpgid resumed>) = 0 [pid 6185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6175, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6184] <... openat resumed>) = 3 [pid 6185] <... openat resumed>) = 3 [pid 6177] +++ exited with 0 +++ [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6177, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5072] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6186 attached [pid 6186] set_robust_list(0x555581d606a0, 24 [pid 6185] write(3, "1000", 4 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6187 attached [pid 6186] <... set_robust_list resumed>) = 0 [pid 6184] write(3, "1000", 4 [pid 6187] set_robust_list(0x555581d606a0, 24) = 0 [pid 6186] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6185] <... write resumed>) = 4 [pid 6184] <... write resumed>) = 4 [pid 6187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6186] <... prctl resumed>) = 0 [pid 6185] close(3 [pid 6184] close(3 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6186 ./strace-static-x86_64: Process 6188 attached [pid 6187] <... prctl resumed>) = 0 [pid 6186] setpgid(0, 0 [pid 6185] <... close resumed>) = 0 [pid 6184] <... close resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6187 [pid 6188] set_robust_list(0x555581d606a0, 24 [pid 6187] setpgid(0, 0 [pid 6186] <... setpgid resumed>) = 0 [pid 6185] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... set_robust_list resumed>) = 0 [pid 6187] <... setpgid resumed>) = 0 [pid 6185] <... futex resumed>) = 0 [pid 6184] <... futex resumed>) = 0 [pid 6185] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6184] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6185] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6184] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6188] <... prctl resumed>) = 0 [pid 6185] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6184] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6187] <... openat resumed>) = 3 [pid 6186] <... openat resumed>) = 3 [pid 6185] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6184] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6188] setpgid(0, 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6188 [pid 6187] write(3, "1000", 4 [pid 6186] write(3, "1000", 4 [pid 6185] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6188] <... setpgid resumed>) = 0 [pid 6184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6187] <... write resumed>) = 4 [pid 6186] <... write resumed>) = 4 [pid 6185] <... mmap resumed>) = 0x7ff12c95c000 [pid 6184] <... mmap resumed>) = 0x7ff12c95c000 [pid 6185] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6184] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6185] <... mprotect resumed>) = 0 [pid 6184] <... mprotect resumed>) = 0 [pid 6188] <... openat resumed>) = 3 [pid 6187] close(3 [pid 6186] close(3 [pid 6188] write(3, "1000", 4 [pid 6187] <... close resumed>) = 0 [pid 6186] <... close resumed>) = 0 [pid 6185] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6184] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6188] <... write resumed>) = 4 [pid 6187] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6188] close(3 [pid 6187] <... futex resumed>) = 0 [pid 6186] <... futex resumed>) = 0 [pid 6185] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6184] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6189 attached [pid 6188] <... close resumed>) = 0 [pid 6187] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6186] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6189] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6188] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6186] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6185] <... clone3 resumed> => {parent_tid=[6189]}, 88) = 6189 [pid 6184] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 6190 attached [pid 6189] <... rseq resumed>) = 0 [pid 6188] <... futex resumed>) = 0 [pid 6187] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6186] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6185] rt_sigprocmask(SIG_SETMASK, [], [pid 6190] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6189] set_robust_list(0x7ff12c97c9a0, 24 [pid 6188] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6185] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6190] <... rseq resumed>) = 0 [pid 6189] <... set_robust_list resumed>) = 0 [pid 6188] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6187] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6190] set_robust_list(0x7ff12c97c9a0, 24 [pid 6189] rt_sigprocmask(SIG_SETMASK, [], [pid 6188] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6187] <... mmap resumed>) = 0x7ff12c95c000 [pid 6190] <... set_robust_list resumed>) = 0 [pid 6189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6187] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6186] <... mmap resumed>) = 0x7ff12c95c000 [pid 6185] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] <... clone3 resumed> => {parent_tid=[6190]}, 88) = 6190 [pid 6190] rt_sigprocmask(SIG_SETMASK, [], [pid 6189] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6187] <... mprotect resumed>) = 0 [pid 6186] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6185] <... futex resumed>) = 0 [pid 6184] rt_sigprocmask(SIG_SETMASK, [], [pid 6190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6189] <... openat resumed>) = 3 [pid 6188] <... mmap resumed>) = 0x7ff12c95c000 [pid 6186] <... mprotect resumed>) = 0 [pid 6185] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6184] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6190] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6187] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6186] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6184] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6189] <... futex resumed>) = 0 [pid 6188] <... mprotect resumed>) = 0 [pid 6187] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6186] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6185] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] <... futex resumed>) = 0 [pid 6190] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6189] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6188] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6187] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6186] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6185] <... futex resumed>) = 0 [pid 6184] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6192 attached ./strace-static-x86_64: Process 6191 attached [pid 6190] <... openat resumed>) = 3 [pid 6189] <... ioctl resumed>) = 0 [pid 6188] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6185] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6192] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6191] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6190] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6187] <... clone3 resumed> => {parent_tid=[6191]}, 88) = 6191 [pid 6186] <... clone3 resumed> => {parent_tid=[6192]}, 88) = 6192 [pid 6185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6192] <... rseq resumed>) = 0 [pid 6191] <... rseq resumed>) = 0 [pid 6190] <... futex resumed>) = 1 [pid 6189] <... futex resumed>) = 0 [pid 6187] rt_sigprocmask(SIG_SETMASK, [], [pid 6186] rt_sigprocmask(SIG_SETMASK, [], [pid 6185] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] <... futex resumed>) = 0 [pid 6192] set_robust_list(0x7ff12c97c9a0, 24 [pid 6190] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6188] <... clone3 resumed> => {parent_tid=[6193]}, 88) = 6193 [pid 6187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6185] <... futex resumed>) = 0 [pid 6184] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6193 attached [pid 6192] <... set_robust_list resumed>) = 0 [pid 6191] set_robust_list(0x7ff12c97c9a0, 24 [pid 6190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6189] <... ioctl resumed>) = 0 [pid 6188] rt_sigprocmask(SIG_SETMASK, [], [pid 6187] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6184] <... futex resumed>) = 0 [pid 6193] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6192] rt_sigprocmask(SIG_SETMASK, [], [pid 6191] <... set_robust_list resumed>) = 0 [pid 6190] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6189] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6187] <... futex resumed>) = 0 [pid 6186] <... futex resumed>) = 0 [pid 6184] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6193] <... rseq resumed>) = 0 [pid 6192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6191] rt_sigprocmask(SIG_SETMASK, [], [pid 6190] <... ioctl resumed>) = 0 [pid 6189] <... futex resumed>) = 1 [pid 6188] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6186] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6185] <... futex resumed>) = 0 [pid 6193] set_robust_list(0x7ff12c97c9a0, 24 [pid 6192] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6190] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6188] <... futex resumed>) = 0 [pid 6185] exit_group(0 [pid 6193] <... set_robust_list resumed>) = 0 [pid 6192] <... openat resumed>) = 3 [pid 6191] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6190] <... futex resumed>) = 1 [pid 6189] <... futex resumed>) = ? [pid 6188] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6185] <... exit_group resumed>) = ? [pid 6184] <... futex resumed>) = 0 [pid 6193] rt_sigprocmask(SIG_SETMASK, [], [pid 6192] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] <... openat resumed>) = 3 [pid 6190] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6184] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6184] <... futex resumed>) = 0 [pid 6193] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6191] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6191] <... futex resumed>) = 1 [pid 6192] <... futex resumed>) = 1 [pid 6190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6187] <... futex resumed>) = 0 [pid 6186] <... futex resumed>) = 0 [pid 6192] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6190] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6187] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6190] <... ioctl resumed>) = 0 [pid 6187] <... futex resumed>) = 0 [pid 6192] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6186] <... futex resumed>) = 0 [pid 6190] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6192] <... ioctl resumed>) = 0 [pid 6190] <... futex resumed>) = 1 [pid 6186] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6193] <... openat resumed>) = 3 [pid 6192] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6190] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] +++ exited with 0 +++ [pid 6186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6185] +++ exited with 0 +++ [pid 6184] <... futex resumed>) = 0 [pid 6193] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] <... futex resumed>) = 0 [pid 6191] <... ioctl resumed>) = 0 [pid 6186] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] exit_group(0 [pid 6193] <... futex resumed>) = 1 [pid 6192] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6191] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... futex resumed>) = ? [pid 6188] <... futex resumed>) = 0 [pid 6186] <... futex resumed>) = 0 [pid 6184] <... exit_group resumed>) = ? [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6185, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6193] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6192] <... ioctl resumed>) = 0 [pid 6191] <... futex resumed>) = 1 [pid 6190] +++ exited with 0 +++ [pid 6188] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] <... futex resumed>) = 0 [pid 6186] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6192] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6188] <... futex resumed>) = 0 [pid 6187] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6193] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6192] <... futex resumed>) = 0 [pid 6191] <... ioctl resumed>) = 0 [pid 6188] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6187] <... futex resumed>) = 0 [pid 6186] exit_group(0 [pid 6193] <... ioctl resumed>) = 0 [pid 6192] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6187] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6193] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6191] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] <... futex resumed>) = 1 [pid 6192] <... futex resumed>) = ? [pid 6188] <... futex resumed>) = 0 [pid 6186] <... exit_group resumed>) = ? [pid 6193] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6192] +++ exited with 0 +++ [pid 6191] <... futex resumed>) = 1 [pid 6188] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] <... futex resumed>) = 0 [pid 6186] +++ exited with 0 +++ [pid 6184] +++ exited with 0 +++ [pid 6188] <... futex resumed>) = 0 [pid 6188] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6187] exit_group(0) = ? [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6184, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6193] <... ioctl resumed>) = 0 [pid 6193] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6194 attached [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6194] set_robust_list(0x555581d606a0, 24) = 0 [pid 6194] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 6195 attached [pid 6193] <... futex resumed>) = 1 [pid 6191] +++ exited with 0 +++ [pid 6188] <... futex resumed>) = 0 [pid 6187] +++ exited with 0 +++ [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6194 [pid 6193] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6188] exit_group(0) = ? [pid 6194] setpgid(0, 0) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6187, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6195] set_robust_list(0x555581d606a0, 24 [pid 6194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6193] <... futex resumed>) = ? [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6195] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6196 attached [pid 6195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6194] <... openat resumed>) = 3 [pid 6193] +++ exited with 0 +++ [pid 6188] +++ exited with 0 +++ [pid 6196] set_robust_list(0x555581d606a0, 24 [pid 6195] <... prctl resumed>) = 0 [pid 6194] write(3, "1000", 4 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6197 attached [pid 6196] <... set_robust_list resumed>) = 0 [pid 6194] <... write resumed>) = 4 [pid 6197] set_robust_list(0x555581d606a0, 24 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6195 [pid 6196] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6197 [pid 6197] <... set_robust_list resumed>) = 0 [pid 6196] <... prctl resumed>) = 0 [pid 6195] setpgid(0, 0 [pid 6194] close(3 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6196 [pid 6197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6196] setpgid(0, 0 [pid 6195] <... setpgid resumed>) = 0 [pid 6194] <... close resumed>) = 0 [pid 6195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6196] <... setpgid resumed>) = 0 [pid 6194] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] <... prctl resumed>) = 0 [pid 6196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6194] <... futex resumed>) = 0 [pid 6197] setpgid(0, 0 [pid 6195] <... openat resumed>) = 3 [pid 6194] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6197] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6198 attached [pid 6197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6196] <... openat resumed>) = 3 [pid 6195] write(3, "1000", 4 [pid 6194] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6194] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6196] write(3, "1000", 4 [pid 6194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6197] <... openat resumed>) = 3 [pid 6195] <... write resumed>) = 4 [pid 6198] set_robust_list(0x555581d606a0, 24 [pid 6196] <... write resumed>) = 4 [pid 6194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6196] close(3 [pid 6194] <... mmap resumed>) = 0x7ff12c95c000 [pid 6196] <... close resumed>) = 0 [pid 6194] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6196] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] <... mprotect resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6198 [pid 6196] <... futex resumed>) = 0 [pid 6196] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6194] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6196] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6196] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6194] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6196] <... mmap resumed>) = 0x7ff12c95c000 [pid 6194] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6196] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 6199 attached [pid 6199] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 6196] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6199] set_robust_list(0x7ff12c97c9a0, 24 [pid 6194] <... clone3 resumed> => {parent_tid=[6199]}, 88) = 6199 [pid 6199] <... set_robust_list resumed>) = 0 [pid 6198] <... set_robust_list resumed>) = 0 [pid 6195] close(3 [pid 6194] rt_sigprocmask(SIG_SETMASK, [], [pid 6197] write(3, "1000", 4 [pid 6199] rt_sigprocmask(SIG_SETMASK, [], [pid 6198] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6197] <... write resumed>) = 4 [pid 6196] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6195] <... close resumed>) = 0 [pid 6194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6198] <... prctl resumed>) = 0 [pid 6197] close(3 [pid 6196] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6194] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6198] setpgid(0, 0 [pid 6197] <... close resumed>) = 0 [pid 6195] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6200 attached [pid 6198] <... setpgid resumed>) = 0 [pid 6197] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] <... futex resumed>) = 0 [pid 6200] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6197] <... futex resumed>) = 0 [pid 6195] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6200] <... rseq resumed>) = 0 [pid 6197] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6195] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6200] set_robust_list(0x7ff12c97c9a0, 24 [pid 6199] <... openat resumed>) = 3 [pid 6198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6197] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6196] <... clone3 resumed> => {parent_tid=[6200]}, 88) = 6200 [pid 6195] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6194] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6200] <... set_robust_list resumed>) = 0 [pid 6197] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6196] rt_sigprocmask(SIG_SETMASK, [], [pid 6195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6196] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6197] <... mmap resumed>) = 0x7ff12c95c000 [pid 6196] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] <... mmap resumed>) = 0x7ff12c95c000 [pid 6196] <... futex resumed>) = 0 [pid 6200] rt_sigprocmask(SIG_SETMASK, [], [pid 6198] <... openat resumed>) = 3 [pid 6197] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6196] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6198] write(3, "1000", 4 [pid 6195] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6200] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6199] <... futex resumed>) = 1 [pid 6198] <... write resumed>) = 4 [pid 6197] <... mprotect resumed>) = 0 [pid 6195] <... mprotect resumed>) = 0 [pid 6194] <... futex resumed>) = 0 [pid 6199] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6198] close(3 [pid 6197] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6194] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] <... openat resumed>) = 3 [pid 6199] <... ioctl resumed>) = 0 [pid 6194] <... futex resumed>) = 0 [pid 6200] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] <... close resumed>) = 0 [pid 6197] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6195] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6194] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6200] <... futex resumed>) = 1 [pid 6199] <... futex resumed>) = 0 [pid 6198] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6196] <... futex resumed>) = 0 [pid 6195] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6200] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6199] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6198] <... futex resumed>) = 0 [pid 6196] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6194] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6202 attached ./strace-static-x86_64: Process 6201 attached [pid 6200] <... ioctl resumed>) = 0 [pid 6199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6198] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6197] <... clone3 resumed> => {parent_tid=[6201]}, 88) = 6201 [pid 6196] <... futex resumed>) = 0 [pid 6194] <... futex resumed>) = 0 [pid 6202] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6201] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6200] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6198] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6197] rt_sigprocmask(SIG_SETMASK, [], [pid 6196] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6195] <... clone3 resumed> => {parent_tid=[6202]}, 88) = 6202 [pid 6194] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6202] <... rseq resumed>) = 0 [pid 6201] <... rseq resumed>) = 0 [pid 6200] <... futex resumed>) = 0 [pid 6199] <... ioctl resumed>) = 0 [pid 6198] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6195] rt_sigprocmask(SIG_SETMASK, [], [pid 6202] set_robust_list(0x7ff12c97c9a0, 24 [pid 6201] set_robust_list(0x7ff12c97c9a0, 24 [pid 6200] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6199] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6197] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6202] <... set_robust_list resumed>) = 0 [pid 6201] <... set_robust_list resumed>) = 0 [pid 6202] rt_sigprocmask(SIG_SETMASK, [], [pid 6201] rt_sigprocmask(SIG_SETMASK, [], [pid 6200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6199] <... futex resumed>) = 1 [pid 6198] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6197] <... futex resumed>) = 0 [pid 6196] <... futex resumed>) = 0 [pid 6195] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] <... futex resumed>) = 0 [pid 6202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6200] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6199] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6197] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6198] <... mmap resumed>) = 0x7ff12c95c000 [pid 6196] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6195] <... futex resumed>) = 0 [pid 6202] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6201] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6200] <... ioctl resumed>) = 0 [pid 6198] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6194] exit_group(0 [pid 6202] <... openat resumed>) = 3 [pid 6201] <... openat resumed>) = 3 [pid 6200] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] <... futex resumed>) = ? [pid 6198] <... mprotect resumed>) = 0 [pid 6195] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6194] <... exit_group resumed>) = ? [pid 6202] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] <... futex resumed>) = 1 [pid 6199] +++ exited with 0 +++ [pid 6196] <... futex resumed>) = 0 [pid 6195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6202] <... futex resumed>) = 0 [pid 6201] <... futex resumed>) = 1 [pid 6200] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6198] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6197] <... futex resumed>) = 0 [pid 6196] exit_group(0 [pid 6195] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] +++ exited with 0 +++ [pid 6202] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6200] <... futex resumed>) = ? [pid 6198] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6196] <... exit_group resumed>) = ? [pid 6195] <... futex resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6200] +++ exited with 0 +++ [pid 6201] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6197] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6197] <... futex resumed>) = 0 [pid 6201] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080) = 0 [pid 6197] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6201] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6197] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6201] <... futex resumed>) = 0 [pid 6197] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6201] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6202] <... ioctl resumed>) = 0 [pid 6198] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6202] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] <... ioctl resumed>) = 0 [pid 6196] +++ exited with 0 +++ [pid 6195] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6203 attached [pid 6202] <... futex resumed>) = 0 [pid 6195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6203] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6202] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6201] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] <... clone3 resumed> => {parent_tid=[6203]}, 88) = 6203 [pid 6195] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] <... rseq resumed>) = 0 [pid 6202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6201] <... futex resumed>) = 1 [pid 6198] rt_sigprocmask(SIG_SETMASK, [], [pid 6197] <... futex resumed>) = 0 [pid 6195] <... futex resumed>) = 0 [pid 6203] set_robust_list(0x7ff12c97c9a0, 24 [pid 6202] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6201] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6198] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6197] exit_group(0 [pid 6195] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6203] <... set_robust_list resumed>) = 0 [pid 6202] <... ioctl resumed>) = 0 [pid 6201] <... futex resumed>) = ? [pid 6198] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] <... exit_group resumed>) = ? [pid 6203] rt_sigprocmask(SIG_SETMASK, [], [pid 6202] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] +++ exited with 0 +++ [pid 6198] <... futex resumed>) = 0 [pid 6197] +++ exited with 0 +++ [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6203] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6202] <... futex resumed>) = 1 [pid 6198] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6195] <... futex resumed>) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6197, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6203] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6202] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6195] exit_group(0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6204 attached [pid 6202] <... futex resumed>) = ? [pid 6195] <... exit_group resumed>) = ? [pid 6204] set_robust_list(0x555581d606a0, 24) = 0 [pid 6204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6203] <... openat resumed>) = 3 [pid 6202] +++ exited with 0 +++ ./strace-static-x86_64: Process 6205 attached [pid 6205] set_robust_list(0x555581d606a0, 24) = 0 [pid 6205] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6204] <... prctl resumed>) = 0 [pid 6204] setpgid(0, 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6205 [pid 6205] <... prctl resumed>) = 0 [pid 6204] <... setpgid resumed>) = 0 [pid 6205] setpgid(0, 0 [pid 6204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6195] +++ exited with 0 +++ [pid 6203] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6206 attached [pid 6205] <... setpgid resumed>) = 0 [pid 6203] <... futex resumed>) = 1 [pid 6198] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6206 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6204 [pid 6206] set_robust_list(0x555581d606a0, 24 [pid 6205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6204] <... openat resumed>) = 3 [pid 6203] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6198] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6195, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6198] <... futex resumed>) = 0 [pid 6206] <... set_robust_list resumed>) = 0 [pid 6198] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6205] <... openat resumed>) = 3 [pid 6204] write(3, "1000", 4 [pid 6203] <... ioctl resumed>) = 0 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 6206] <... prctl resumed>) = 0 [pid 6204] <... write resumed>) = 4 [pid 6203] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... restart_syscall resumed>) = 0 [pid 6206] setpgid(0, 0 [pid 6205] write(3, "1000", 4 [pid 6204] close(3 [pid 6203] <... futex resumed>) = 1 [pid 6198] <... futex resumed>) = 0 [pid 6206] <... setpgid resumed>) = 0 [pid 6205] <... write resumed>) = 4 [pid 6204] <... close resumed>) = 0 [pid 6203] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6198] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] close(3 [pid 6204] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] <... ioctl resumed>) = 0 [pid 6198] <... futex resumed>) = 0 [pid 6206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6205] <... close resumed>) = 0 [pid 6204] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6204] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6206] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6207 attached [pid 6206] write(3, "1000", 4 [pid 6205] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6203] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6206] <... write resumed>) = 4 [pid 6205] <... futex resumed>) = 0 [pid 6204] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6203] <... futex resumed>) = 0 [pid 6198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6207] set_robust_list(0x555581d606a0, 24 [pid 6206] close(3 [pid 6205] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6204] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6203] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6205] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6207] <... set_robust_list resumed>) = 0 [pid 6198] exit_group(0 [pid 6206] <... close resumed>) = 0 [pid 6205] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6204] <... mmap resumed>) = 0x7ff12c95c000 [pid 6207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6204] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6206] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] <... futex resumed>) = ? [pid 6198] <... exit_group resumed>) = ? [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6207 [pid 6207] <... prctl resumed>) = 0 [pid 6206] <... futex resumed>) = 0 [pid 6205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6204] <... mprotect resumed>) = 0 [pid 6203] +++ exited with 0 +++ [pid 6198] +++ exited with 0 +++ [pid 6207] setpgid(0, 0 [pid 6206] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6204] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6204] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6207] <... setpgid resumed>) = 0 [pid 6206] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6205] <... mmap resumed>) = 0x7ff12c95c000 [pid 6204] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6206] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 6208 attached [pid 6207] <... openat resumed>) = 3 [pid 6206] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6205] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6208] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6204] <... clone3 resumed> => {parent_tid=[6208]}, 88) = 6208 [pid 6207] write(3, "1000", 4 [pid 6205] <... mprotect resumed>) = 0 [pid 6207] <... write resumed>) = 4 [pid 6208] <... rseq resumed>) = 0 [pid 6207] close(3 [pid 6205] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6206] <... mmap resumed>) = 0x7ff12c95c000 ./strace-static-x86_64: Process 6209 attached [pid 6208] set_robust_list(0x7ff12c97c9a0, 24 [pid 6207] <... close resumed>) = 0 [pid 6206] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6204] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6209 [pid 6209] set_robust_list(0x555581d606a0, 24 [pid 6208] <... set_robust_list resumed>) = 0 [pid 6204] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6204] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] rt_sigprocmask(SIG_SETMASK, [], [pid 6204] <... futex resumed>) = 0 [pid 6209] <... set_robust_list resumed>) = 0 [pid 6208] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6206] <... mprotect resumed>) = 0 [pid 6204] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6209] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6208] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6207] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6209] <... prctl resumed>) = 0 [pid 6208] <... openat resumed>) = 3 [pid 6207] <... futex resumed>) = 0 [pid 6206] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6205] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 6210 attached [pid 6209] setpgid(0, 0 [pid 6208] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6206] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6210] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6207] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6205] <... clone3 resumed> => {parent_tid=[6210]}, 88) = 6210 [pid 6210] <... rseq resumed>) = 0 [pid 6207] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6206] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6208] <... futex resumed>) = 1 [pid 6205] rt_sigprocmask(SIG_SETMASK, [], [pid 6210] set_robust_list(0x7ff12c97c9a0, 24 [pid 6209] <... setpgid resumed>) = 0 [pid 6207] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6204] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6211 attached [pid 6210] <... set_robust_list resumed>) = 0 [pid 6208] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6207] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6205] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6210] rt_sigprocmask(SIG_SETMASK, [], [pid 6209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6208] <... ioctl resumed>) = 0 [pid 6207] <... mmap resumed>) = 0x7ff12c95c000 [pid 6205] <... futex resumed>) = 0 [pid 6204] <... futex resumed>) = 0 [pid 6211] <... rseq resumed>) = 0 [pid 6210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6207] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6205] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6211] set_robust_list(0x7ff12c97c9a0, 24 [pid 6210] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6208] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] <... mprotect resumed>) = 0 [pid 6206] <... clone3 resumed> => {parent_tid=[6211]}, 88) = 6211 [pid 6204] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6211] <... set_robust_list resumed>) = 0 [pid 6210] <... openat resumed>) = 3 [pid 6209] <... openat resumed>) = 3 [pid 6208] <... futex resumed>) = 0 [pid 6207] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6206] rt_sigprocmask(SIG_SETMASK, [], [pid 6204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6211] rt_sigprocmask(SIG_SETMASK, [], [pid 6210] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] write(3, "1000", 4 [pid 6208] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6211] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6210] <... futex resumed>) = 1 [pid 6209] <... write resumed>) = 4 [pid 6208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6207] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6206] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6205] <... futex resumed>) = 0 [pid 6204] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6210] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6208] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6207] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6206] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] close(3 [pid 6205] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6212 attached [pid 6211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6209] <... close resumed>) = 0 [pid 6208] <... ioctl resumed>) = 0 [pid 6206] <... futex resumed>) = 0 [pid 6205] <... futex resumed>) = 0 [pid 6204] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6212] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6211] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6210] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6208] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] <... clone3 resumed> => {parent_tid=[6212]}, 88) = 6212 [pid 6205] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6212] <... rseq resumed>) = 0 [pid 6211] <... openat resumed>) = 3 [pid 6210] <... ioctl resumed>) = 0 [pid 6207] rt_sigprocmask(SIG_SETMASK, [], [pid 6204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6207] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6211] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] <... futex resumed>) = 0 [pid 6205] <... futex resumed>) = 0 [pid 6211] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6210] <... futex resumed>) = 1 [pid 6207] <... futex resumed>) = 0 [pid 6205] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6207] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6205] <... futex resumed>) = 0 [pid 6210] <... ioctl resumed>) = 0 [pid 6205] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6210] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6206] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6205] <... futex resumed>) = 0 [pid 6212] set_robust_list(0x7ff12c97c9a0, 24 [pid 6210] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6209] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] <... futex resumed>) = 0 [pid 6206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6205] exit_group(0 [pid 6204] exit_group(0 [pid 6212] <... set_robust_list resumed>) = 0 [pid 6210] <... futex resumed>) = ? [pid 6209] <... futex resumed>) = 0 [pid 6208] read(-256, [pid 6205] <... exit_group resumed>) = ? [pid 6212] rt_sigprocmask(SIG_SETMASK, [], [pid 6210] +++ exited with 0 +++ [pid 6209] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6208] +++ exited with 0 +++ [pid 6206] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] +++ exited with 0 +++ [pid 6204] <... exit_group resumed>) = ? [pid 6212] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6209] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6206] <... futex resumed>) = 1 [pid 6206] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6211] <... futex resumed>) = 0 [pid 6212] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6211] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6205, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6211] <... ioctl resumed>) = 0 [pid 6211] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6206] <... futex resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6212] <... openat resumed>) = 3 [pid 6211] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6209] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6206] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] +++ exited with 0 +++ [pid 6211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6206] <... futex resumed>) = 0 [pid 6206] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6204, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6212] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] ioctl(3, SNDRV_TIMER_IOCTL_START, 0./strace-static-x86_64: Process 6213 attached [pid 6212] <... futex resumed>) = 1 [pid 6211] <... ioctl resumed>) = 0 [pid 6209] <... mmap resumed>) = 0x7ff12c95c000 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6213] set_robust_list(0x555581d606a0, 24 [pid 6212] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6214 attached [pid 6211] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6207] <... futex resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6213 [pid 6214] set_robust_list(0x555581d606a0, 24 [pid 6213] <... set_robust_list resumed>) = 0 [pid 6211] <... futex resumed>) = 1 [pid 6206] <... futex resumed>) = 0 [pid 6214] <... set_robust_list resumed>) = 0 [pid 6213] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6211] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6209] <... mprotect resumed>) = 0 [pid 6207] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] exit_group(0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6214 [pid 6214] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6212] <... futex resumed>) = 0 [pid 6211] <... futex resumed>) = ? [pid 6207] <... futex resumed>) = 1 [pid 6206] <... exit_group resumed>) = ? [pid 6214] <... prctl resumed>) = 0 [pid 6213] <... prctl resumed>) = 0 [pid 6212] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6211] +++ exited with 0 +++ [pid 6209] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6207] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6206] +++ exited with 0 +++ [pid 6214] setpgid(0, 0 [pid 6213] setpgid(0, 0 [pid 6212] <... ioctl resumed>) = 0 [pid 6209] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6213] <... setpgid resumed>) = 0 [pid 6209] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 6215 attached [pid 6214] <... setpgid resumed>) = 0 [pid 6213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6212] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] <... clone3 resumed> => {parent_tid=[6215]}, 88) = 6215 [pid 6215] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6213] <... openat resumed>) = 3 [pid 6212] <... futex resumed>) = 1 [pid 6209] rt_sigprocmask(SIG_SETMASK, [], [pid 6207] <... futex resumed>) = 0 [pid 6215] <... rseq resumed>) = 0 [pid 6209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6213] write(3, "1000", 4 [pid 6209] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] <... write resumed>) = 4 [pid 6209] <... futex resumed>) = 0 [pid 6214] <... openat resumed>) = 3 [pid 6213] close(3 [pid 6209] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6212] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6215] set_robust_list(0x7ff12c97c9a0, 24 [pid 6214] write(3, "1000", 4 [pid 6213] <... close resumed>) = 0 [pid 6212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6207] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6216 attached [pid 6215] <... set_robust_list resumed>) = 0 [pid 6214] <... write resumed>) = 4 [pid 6212] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6207] <... futex resumed>) = 0 [pid 6215] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6213] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6213] <... futex resumed>) = 0 [pid 6212] <... ioctl resumed>) = 0 [pid 6207] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6214] close(3 [pid 6213] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6216 [pid 6213] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6213] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 6213] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6213] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6216] set_robust_list(0x555581d606a0, 24 [pid 6213] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6213] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 6217 attached [pid 6216] <... set_robust_list resumed>) = 0 [pid 6215] <... openat resumed>) = 3 [pid 6214] <... close resumed>) = 0 [pid 6212] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] <... clone3 resumed> => {parent_tid=[6217]}, 88) = 6217 [pid 6217] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6215] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] <... futex resumed>) = 1 [pid 6207] <... futex resumed>) = 0 [pid 6216] <... prctl resumed>) = 0 [pid 6214] <... futex resumed>) = 0 [pid 6212] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6207] exit_group(0 [pid 6216] setpgid(0, 0 [pid 6214] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6216] <... setpgid resumed>) = 0 [pid 6212] <... futex resumed>) = ? [pid 6207] <... exit_group resumed>) = ? [pid 6214] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6217] <... rseq resumed>) = 0 [pid 6215] <... futex resumed>) = 1 [pid 6214] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6213] rt_sigprocmask(SIG_SETMASK, [], [pid 6209] <... futex resumed>) = 0 [pid 6217] set_robust_list(0x7ff12c97c9a0, 24 [pid 6215] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6213] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6209] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] <... set_robust_list resumed>) = 0 [pid 6215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6213] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] <... futex resumed>) = 0 [pid 6217] rt_sigprocmask(SIG_SETMASK, [], [pid 6215] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6209] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6215] <... ioctl resumed>) = 0 [pid 6213] <... futex resumed>) = 0 [pid 6217] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6213] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6212] +++ exited with 0 +++ [pid 6207] +++ exited with 0 +++ [pid 6215] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] <... openat resumed>) = 3 [pid 6216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6215] <... futex resumed>) = 1 [pid 6214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6209] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6207, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6216] <... openat resumed>) = 3 [pid 6215] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6209] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 6217] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] write(3, "1000", 4 [pid 6215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6209] <... futex resumed>) = 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 6217] <... futex resumed>) = 1 [pid 6216] <... write resumed>) = 4 [pid 6215] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6214] <... mmap resumed>) = 0x7ff12c95c000 [pid 6213] <... futex resumed>) = 0 [pid 6209] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6217] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6216] close(3 [pid 6215] <... ioctl resumed>) = 0 [pid 6214] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6213] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] <... ioctl resumed>) = 0 [pid 6216] <... close resumed>) = 0 [pid 6215] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] <... mprotect resumed>) = 0 [pid 6213] <... futex resumed>) = 0 [pid 6217] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... futex resumed>) = 1 [pid 6213] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6209] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6218 attached [pid 6217] <... futex resumed>) = 0 [pid 6216] <... futex resumed>) = 0 [pid 6215] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6214] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6209] exit_group(0 [pid 6217] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6215] <... futex resumed>) = ? [pid 6213] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] <... exit_group resumed>) = ? [pid 6213] <... futex resumed>) = 0 [pid 6213] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] set_robust_list(0x555581d606a0, 24 [pid 6216] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6215] +++ exited with 0 +++ [pid 6214] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6209] +++ exited with 0 +++ [pid 6216] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6218] <... set_robust_list resumed>) = 0 [pid 6216] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6218 [pid 6217] ioctl(3, SNDRV_TIMER_IOCTL_START, 0) = 0 [pid 6217] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6213] <... futex resumed>) = 0 [pid 6217] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6213] exit_group(0 [pid 6217] <... futex resumed>) = ? [pid 6213] <... exit_group resumed>) = ? [pid 6218] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6217] +++ exited with 0 +++ [pid 6216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6213] +++ exited with 0 +++ ./strace-static-x86_64: Process 6219 attached [pid 6219] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6218] <... prctl resumed>) = 0 [pid 6216] <... mmap resumed>) = 0x7ff12c95c000 [pid 6219] <... rseq resumed>) = 0 [pid 6219] set_robust_list(0x7ff12c97c9a0, 24 [pid 6218] setpgid(0, 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6219] <... set_robust_list resumed>) = 0 [pid 6214] <... clone3 resumed> => {parent_tid=[6219]}, 88) = 6219 [pid 6219] rt_sigprocmask(SIG_SETMASK, [], [pid 6218] <... setpgid resumed>) = 0 [pid 6216] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6214] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6209, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6219] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6216] <... mprotect resumed>) = 0 [pid 6214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6218] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6220 attached [pid 6216] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6214] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6220 ./strace-static-x86_64: Process 6221 attached [pid 6220] set_robust_list(0x555581d606a0, 24 [pid 6219] <... futex resumed>) = 0 [pid 6218] write(3, "1000", 4 [pid 6216] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6214] <... futex resumed>) = 1 [pid 6220] <... set_robust_list resumed>) = 0 [pid 6218] <... write resumed>) = 4 [pid 6216] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6214] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6220] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6222 attached [pid 6221] set_robust_list(0x555581d606a0, 24 [pid 6220] <... prctl resumed>) = 0 [pid 6219] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6218] close(3 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6221 [pid 6222] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6221] <... set_robust_list resumed>) = 0 [pid 6220] setpgid(0, 0 [pid 6219] <... openat resumed>) = 3 [pid 6218] <... close resumed>) = 0 [pid 6216] <... clone3 resumed> => {parent_tid=[6222]}, 88) = 6222 [pid 6222] <... rseq resumed>) = 0 [pid 6221] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6220] <... setpgid resumed>) = 0 [pid 6219] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] rt_sigprocmask(SIG_SETMASK, [], [pid 6222] set_robust_list(0x7ff12c97c9a0, 24 [pid 6220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6219] <... futex resumed>) = 1 [pid 6218] <... futex resumed>) = 0 [pid 6216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6214] <... futex resumed>) = 0 [pid 6222] <... set_robust_list resumed>) = 0 [pid 6221] <... prctl resumed>) = 0 [pid 6220] <... openat resumed>) = 3 [pid 6219] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6218] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6216] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] rt_sigprocmask(SIG_SETMASK, [], [pid 6221] setpgid(0, 0 [pid 6219] <... ioctl resumed>) = 0 [pid 6218] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6216] <... futex resumed>) = 0 [pid 6214] <... futex resumed>) = 0 [pid 6222] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6221] <... setpgid resumed>) = 0 [pid 6220] write(3, "1000", 4 [pid 6219] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6216] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6214] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6222] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6220] <... write resumed>) = 4 [pid 6219] <... futex resumed>) = 0 [pid 6218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6222] <... openat resumed>) = 3 [pid 6221] <... openat resumed>) = 3 [pid 6220] close(3 [pid 6219] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6214] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6214] <... futex resumed>) = 0 [pid 6222] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] <... close resumed>) = 0 [pid 6219] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6218] <... mmap resumed>) = 0x7ff12c95c000 [pid 6214] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6222] <... futex resumed>) = 1 [pid 6221] write(3, "1000", 4 [pid 6220] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... ioctl resumed>) = 0 [pid 6216] <... futex resumed>) = 0 [pid 6222] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6221] <... write resumed>) = 4 [pid 6220] <... futex resumed>) = 0 [pid 6219] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6216] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6221] close(3 [pid 6220] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6219] <... futex resumed>) = 1 [pid 6218] <... mprotect resumed>) = 0 [pid 6216] <... futex resumed>) = 0 [pid 6214] <... futex resumed>) = 0 [pid 6222] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6221] <... close resumed>) = 0 [pid 6220] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6219] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6218] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6216] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6214] exit_group(0 [pid 6222] <... ioctl resumed>) = 0 [pid 6221] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6222] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... futex resumed>) = 0 [pid 6220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6219] <... futex resumed>) = ? [pid 6218] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6214] <... exit_group resumed>) = ? [pid 6222] <... futex resumed>) = 1 [pid 6221] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6219] +++ exited with 0 +++ [pid 6218] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6216] <... futex resumed>) = 0 [pid 6214] +++ exited with 0 +++ [pid 6222] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6221] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6220] <... mmap resumed>) = 0x7ff12c95c000 [pid 6216] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6221] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6222] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6220] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6218] <... clone3 resumed> => {parent_tid=[6223]}, 88) = 6223 [pid 6216] <... futex resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6222] <... ioctl resumed>) = 0 [pid 6221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6220] <... mprotect resumed>) = 0 [pid 6218] rt_sigprocmask(SIG_SETMASK, [], [pid 6216] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 6222] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... mmap resumed>) = 0x7ff12c95c000 [pid 6220] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5065] <... restart_syscall resumed>) = 0 [pid 6222] <... futex resumed>) = 0 [pid 6218] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] exit_group(0 [pid 6221] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6220] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6218] <... futex resumed>) = 0 [pid 6216] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6223 attached [pid 6222] +++ exited with 0 +++ [pid 6221] <... mprotect resumed>) = 0 [pid 6220] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6218] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6216] +++ exited with 0 +++ [pid 6221] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6224 attached [pid 6223] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6224] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6223] <... rseq resumed>) = 0 ./strace-static-x86_64: Process 6225 attached [pid 6224] <... rseq resumed>) = 0 [pid 6223] set_robust_list(0x7ff12c97c9a0, 24 [pid 6221] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6220] <... clone3 resumed> => {parent_tid=[6224]}, 88) = 6224 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6221] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6220] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6226 attached [pid 6225] set_robust_list(0x555581d606a0, 24 [pid 6224] set_robust_list(0x7ff12c97c9a0, 24 [pid 6223] <... set_robust_list resumed>) = 0 [pid 6221] <... clone3 resumed> => {parent_tid=[6226]}, 88) = 6226 [pid 6220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6225 [pid 6226] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6225] <... set_robust_list resumed>) = 0 [pid 6224] <... set_robust_list resumed>) = 0 [pid 6221] rt_sigprocmask(SIG_SETMASK, [], [pid 6220] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] <... rseq resumed>) = 0 [pid 6225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6224] rt_sigprocmask(SIG_SETMASK, [], [pid 6223] rt_sigprocmask(SIG_SETMASK, [], [pid 6221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6220] <... futex resumed>) = 0 [pid 6226] set_robust_list(0x7ff12c97c9a0, 24 [pid 6225] <... prctl resumed>) = 0 [pid 6224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6221] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6227 attached [pid 6226] <... set_robust_list resumed>) = 0 [pid 6225] setpgid(0, 0 [pid 6224] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6223] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6221] <... futex resumed>) = 0 [pid 6226] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6227] set_robust_list(0x555581d606a0, 24 [pid 6226] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6225] <... setpgid resumed>) = 0 [pid 6224] <... openat resumed>) = 3 [pid 6223] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6221] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6227] <... set_robust_list resumed>) = 0 [pid 6225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6224] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6226] <... openat resumed>) = 3 [pid 6225] <... openat resumed>) = 3 [pid 6224] <... futex resumed>) = 1 [pid 6223] <... openat resumed>) = 3 [pid 6220] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6227 [pid 6226] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] <... futex resumed>) = 1 [pid 6224] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6221] <... futex resumed>) = 0 [pid 6220] <... futex resumed>) = 0 [pid 6226] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6225] write(3, "1000", 4 [pid 6224] <... ioctl resumed>) = 0 [pid 6221] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6225] <... write resumed>) = 4 [pid 6224] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... futex resumed>) = 0 [pid 6220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6226] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6225] close(3 [pid 6224] <... futex resumed>) = 0 [pid 6221] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6220] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] <... ioctl resumed>) = 0 [pid 6225] <... close resumed>) = 0 [pid 6224] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6220] <... futex resumed>) = 0 [pid 6220] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6227] <... prctl resumed>) = 0 [pid 6226] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... ioctl resumed>) = 0 [pid 6223] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] setpgid(0, 0 [pid 6226] <... futex resumed>) = 1 [pid 6225] <... futex resumed>) = 0 [pid 6224] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... futex resumed>) = 0 [pid 6226] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6225] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6224] <... futex resumed>) = 1 [pid 6221] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] <... futex resumed>) = 0 [pid 6223] <... futex resumed>) = 1 [pid 6227] <... setpgid resumed>) = 0 [pid 6226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6225] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6224] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6223] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6221] <... futex resumed>) = 0 [pid 6220] exit_group(0 [pid 6218] <... futex resumed>) = 0 [pid 6227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6226] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6225] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6224] <... futex resumed>) = ? [pid 6221] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6220] <... exit_group resumed>) = ? [pid 6218] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... openat resumed>) = 3 [pid 6226] <... ioctl resumed>) = 0 [pid 6225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6224] +++ exited with 0 +++ [pid 6223] <... futex resumed>) = 0 [pid 6220] +++ exited with 0 +++ [pid 6218] <... futex resumed>) = 1 [pid 6227] write(3, "1000", 4 [pid 6226] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6223] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6218] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6220, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6227] <... write resumed>) = 4 [pid 6226] <... futex resumed>) = 1 [pid 6225] <... mmap resumed>) = 0x7ff12c95c000 [pid 6223] <... ioctl resumed>) = 0 [pid 6221] <... futex resumed>) = 0 [pid 6227] close(3 [pid 6226] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6225] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6223] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] exit_group(0 [pid 6227] <... close resumed>) = 0 [pid 6226] <... futex resumed>) = ? [pid 6225] <... mprotect resumed>) = 0 [pid 6223] <... futex resumed>) = 1 [pid 6221] <... exit_group resumed>) = ? [pid 6218] <... futex resumed>) = 0 [pid 6227] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] +++ exited with 0 +++ [pid 6223] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6221] +++ exited with 0 +++ [pid 6218] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... futex resumed>) = 0 [pid 6225] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6223] <... ioctl resumed>) = 0 [pid 6218] <... futex resumed>) = 0 [pid 6227] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6223] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6221, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6227] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6223] <... futex resumed>) = 0 [pid 6218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6225] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6218] exit_group(0 [pid 6227] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6225] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6218] <... exit_group resumed>) = ? [pid 6227] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6228 attached [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6228] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6225] <... clone3 resumed> => {parent_tid=[6228]}, 88) = 6228 [pid 6223] +++ exited with 0 +++ [pid 6218] +++ exited with 0 +++ ./strace-static-x86_64: Process 6230 attached ./strace-static-x86_64: Process 6229 attached [pid 6228] <... rseq resumed>) = 0 [pid 6227] <... mmap resumed>) = 0x7ff12c95c000 [pid 6225] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6218, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6229] set_robust_list(0x555581d606a0, 24 [pid 6228] set_robust_list(0x7ff12c97c9a0, 24 [pid 6225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6225] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6231 attached [pid 6230] set_robust_list(0x555581d606a0, 24 [pid 6229] <... set_robust_list resumed>) = 0 [pid 6227] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6225] <... futex resumed>) = 0 [pid 6228] <... set_robust_list resumed>) = 0 [pid 6225] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6228] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6228] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6230 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6229 [pid 6231] set_robust_list(0x555581d606a0, 24 [pid 6228] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] <... set_robust_list resumed>) = 0 [pid 6228] <... futex resumed>) = 1 [pid 6227] <... mprotect resumed>) = 0 [pid 6225] <... futex resumed>) = 0 [pid 6231] <... set_robust_list resumed>) = 0 [pid 6230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6228] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6225] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6231 [pid 6231] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6230] <... prctl resumed>) = 0 [pid 6229] <... prctl resumed>) = 0 [pid 6228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6225] <... futex resumed>) = 0 [pid 6231] <... prctl resumed>) = 0 [pid 6230] setpgid(0, 0 [pid 6229] setpgid(0, 0 [pid 6228] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6227] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6225] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6230] <... setpgid resumed>) = 0 [pid 6231] setpgid(0, 0 [pid 6229] <... setpgid resumed>) = 0 [pid 6228] <... ioctl resumed>) = 0 [pid 6227] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6228] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] <... setpgid resumed>) = 0 [pid 6230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6228] <... futex resumed>) = 1 [pid 6227] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6225] <... futex resumed>) = 0 [pid 6231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6228] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6225] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] <... ioctl resumed>) = 0 [pid 6225] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6232 attached [pid 6228] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6232] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6229] <... openat resumed>) = 3 [pid 6228] <... futex resumed>) = 0 [pid 6225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6232] <... rseq resumed>) = 0 [pid 6228] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6225] exit_group(0 [pid 6232] set_robust_list(0x7ff12c97c9a0, 24 [pid 6228] <... futex resumed>) = ? [pid 6225] <... exit_group resumed>) = ? [pid 6232] <... set_robust_list resumed>) = 0 [pid 6231] <... openat resumed>) = 3 [pid 6230] <... openat resumed>) = 3 [pid 6229] write(3, "1000", 4 [pid 6228] +++ exited with 0 +++ [pid 6227] <... clone3 resumed> => {parent_tid=[6232]}, 88) = 6232 [pid 6225] +++ exited with 0 +++ [pid 6232] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6232] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6231] write(3, "1000", 4 [pid 6230] write(3, "1000", 4 [pid 6229] <... write resumed>) = 4 [pid 6227] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6233 attached [pid 6231] <... write resumed>) = 4 [pid 6230] <... write resumed>) = 4 [pid 6229] close(3 [pid 6227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6233] set_robust_list(0x555581d606a0, 24 [pid 6229] <... close resumed>) = 0 [pid 6233] <... set_robust_list resumed>) = 0 [pid 6233] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6231] close(3 [pid 6230] close(3 [pid 6229] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] <... futex resumed>) = 0 [pid 6231] <... close resumed>) = 0 [pid 6230] <... close resumed>) = 0 [pid 6227] <... futex resumed>) = 1 [pid 6232] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6231] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6233 [pid 6233] <... prctl resumed>) = 0 [pid 6232] <... openat resumed>) = 3 [pid 6231] <... futex resumed>) = 0 [pid 6230] <... futex resumed>) = 0 [pid 6229] <... futex resumed>) = 0 [pid 6231] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6230] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6229] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6233] setpgid(0, 0 [pid 6232] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6230] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6229] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6233] <... setpgid resumed>) = 0 [pid 6232] <... futex resumed>) = 1 [pid 6231] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6230] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6229] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6227] <... futex resumed>) = 0 [pid 6233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6232] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6227] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6227] <... futex resumed>) = 0 [pid 6232] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6231] <... mmap resumed>) = 0x7ff12c95c000 [pid 6230] <... mmap resumed>) = 0x7ff12c95c000 [pid 6227] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6233] <... openat resumed>) = 3 [pid 6232] <... ioctl resumed>) = 0 [pid 6231] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6230] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6229] <... mmap resumed>) = 0x7ff12c95c000 [pid 6233] write(3, "1000", 4 [pid 6232] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] <... mprotect resumed>) = 0 [pid 6230] <... mprotect resumed>) = 0 [pid 6229] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6233] <... write resumed>) = 4 [pid 6232] <... futex resumed>) = 1 [pid 6231] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6230] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6229] <... mprotect resumed>) = 0 [pid 6227] <... futex resumed>) = 0 [pid 6233] close(3 [pid 6232] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6229] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6227] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... close resumed>) = 0 [pid 6232] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6231] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6230] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6227] <... futex resumed>) = 0 [pid 6233] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] <... ioctl resumed>) = 0 [pid 6231] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6230] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6229] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6227] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6235 attached [pid 6233] <... futex resumed>) = 0 [pid 6232] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6234 attached [pid 6235] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6233] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6232] <... futex resumed>) = 0 [pid 6231] <... clone3 resumed> => {parent_tid=[6234]}, 88) = 6234 [pid 6230] <... clone3 resumed> => {parent_tid=[6235]}, 88) = 6235 [pid 6229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6227] exit_group(0./strace-static-x86_64: Process 6236 attached [pid 6235] <... rseq resumed>) = 0 [pid 6233] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6231] rt_sigprocmask(SIG_SETMASK, [], [pid 6230] rt_sigprocmask(SIG_SETMASK, [], [pid 6227] <... exit_group resumed>) = ? [pid 6234] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6235] set_robust_list(0x7ff12c97c9a0, 24 [pid 6234] <... rseq resumed>) = 0 [pid 6233] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6232] +++ exited with 0 +++ [pid 6231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6229] <... clone3 resumed> => {parent_tid=[6236]}, 88) = 6236 [pid 6227] +++ exited with 0 +++ [pid 6236] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6235] <... set_robust_list resumed>) = 0 [pid 6234] set_robust_list(0x7ff12c97c9a0, 24 [pid 6233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6231] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6231] <... futex resumed>) = 0 [pid 6230] <... futex resumed>) = 0 [pid 6236] <... rseq resumed>) = 0 [pid 6235] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6234] <... set_robust_list resumed>) = 0 [pid 6233] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6231] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6230] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6229] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6227, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6236] set_robust_list(0x7ff12c97c9a0, 24 [pid 6234] rt_sigprocmask(SIG_SETMASK, [], [pid 6233] <... mmap resumed>) = 0x7ff12c95c000 [pid 6229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6236] <... set_robust_list resumed>) = 0 [pid 6234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6235] <... openat resumed>) = 3 [pid 6236] rt_sigprocmask(SIG_SETMASK, [], [pid 6234] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6233] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6229] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6235] <... futex resumed>) = 1 [pid 6234] <... openat resumed>) = 3 [pid 6230] <... futex resumed>) = 0 [pid 6229] <... futex resumed>) = 0 [pid 6236] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6235] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6233] <... mprotect resumed>) = 0 [pid 6230] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6234] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6230] <... futex resumed>) = 0 [pid 6235] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6230] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6235] <... ioctl resumed>) = 0 [pid 6234] <... futex resumed>) = 1 [pid 6231] <... futex resumed>) = 0 [pid 6231] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6236] <... openat resumed>) = 3 [pid 6235] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6236] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] <... futex resumed>) = 1 [pid 6234] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6233] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6230] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6236] <... futex resumed>) = 1 [pid 6235] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6234] <... ioctl resumed>) = 0 [pid 6233] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6230] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] <... futex resumed>) = 0 [pid 6235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6234] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6230] <... futex resumed>) = 0 [pid 6229] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6235] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6234] <... futex resumed>) = 1 [pid 6231] <... futex resumed>) = 0 [pid 6230] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6229] <... futex resumed>) = 0 [pid 6236] <... ioctl resumed>) = 0 [pid 6235] <... ioctl resumed>) = 0 [pid 6231] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] <... futex resumed>) = 0 [pid 6235] <... futex resumed>) = 1 [pid 6231] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6230] <... futex resumed>) = 0 [pid 6229] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6235] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6234] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6230] exit_group(0 [pid 6235] <... futex resumed>) = ? [pid 6234] <... ioctl resumed>) = 0 [pid 6230] <... exit_group resumed>) = ? [pid 6236] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6237 attached ) = 0 [pid 6235] +++ exited with 0 +++ [pid 6229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6236] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6234] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... clone3 resumed> => {parent_tid=[6237]}, 88) = 6237 [pid 6229] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6234] <... futex resumed>) = 1 [pid 6233] rt_sigprocmask(SIG_SETMASK, [], [pid 6229] <... futex resumed>) = 0 [pid 6234] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6229] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6236] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6233] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6238 attached [pid 6237] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6236] <... ioctl resumed>) = 0 [pid 6233] <... futex resumed>) = 0 [pid 6231] <... futex resumed>) = 0 [pid 6230] +++ exited with 0 +++ [pid 6238] set_robust_list(0x555581d606a0, 24 [pid 6237] <... rseq resumed>) = 0 [pid 6236] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6231] exit_group(0 [pid 6238] <... set_robust_list resumed>) = 0 [pid 6237] set_robust_list(0x7ff12c97c9a0, 24 [pid 6231] <... exit_group resumed>) = ? [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6230, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6238] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6237] <... set_robust_list resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6239 attached [pid 6238] <... prctl resumed>) = 0 [pid 6237] rt_sigprocmask(SIG_SETMASK, [], [pid 6236] <... futex resumed>) = 1 [pid 6234] <... futex resumed>) = ? [pid 6229] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6238 [pid 6238] setpgid(0, 0 [pid 6237] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6237] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6239] set_robust_list(0x555581d606a0, 24 [pid 6238] <... setpgid resumed>) = 0 [pid 6237] <... openat resumed>) = 3 [pid 6236] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6234] +++ exited with 0 +++ [pid 6231] +++ exited with 0 +++ [pid 6229] exit_group(0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6239 [pid 6239] <... set_robust_list resumed>) = 0 [pid 6238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6237] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] <... futex resumed>) = ? [pid 6229] <... exit_group resumed>) = ? [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6231, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6239] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6238] <... openat resumed>) = 3 [pid 6237] <... futex resumed>) = 1 [pid 6236] +++ exited with 0 +++ [pid 6233] <... futex resumed>) = 0 [pid 6229] +++ exited with 0 +++ [pid 6239] <... prctl resumed>) = 0 [pid 6233] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] setpgid(0, 0 [pid 6237] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6233] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6239] <... setpgid resumed>) = 0 [pid 6238] write(3, "1000", 4 [pid 6237] <... ioctl resumed>) = 0 [pid 6233] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6240 attached [pid 6239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6238] <... write resumed>) = 4 [pid 6237] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] set_robust_list(0x555581d606a0, 24 [pid 6237] <... futex resumed>) = 1 [pid 6240] <... set_robust_list resumed>) = 0 [pid 6239] <... openat resumed>) = 3 [pid 6238] close(3 [pid 6237] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6233] <... futex resumed>) = 0 [pid 6233] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6239] write(3, "1000", 4 [pid 6237] <... futex resumed>) = 0 [pid 6240] <... prctl resumed>) = 0 [pid 6239] <... write resumed>) = 4 [pid 6238] <... close resumed>) = 0 [pid 6237] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6233] <... futex resumed>) = 1 [pid 6240] setpgid(0, 0 [pid 6239] close(3 [pid 6238] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] <... ioctl resumed>) = 0 [pid 6233] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6240 [pid 6240] <... setpgid resumed>) = 0 [pid 6239] <... close resumed>) = 0 [pid 6238] <... futex resumed>) = 0 [pid 6237] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6239] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6237] <... futex resumed>) = 0 [pid 6233] exit_group(0 [pid 6239] <... futex resumed>) = 0 [pid 6238] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6233] <... exit_group resumed>) = ? [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6240] <... openat resumed>) = 3 [pid 6239] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6238] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6237] +++ exited with 0 +++ [pid 6238] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6241 attached [pid 6241] set_robust_list(0x555581d606a0, 24) = 0 [pid 6233] +++ exited with 0 +++ [pid 6241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6233, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6238] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 6240] write(3, "1000", 4 [pid 6239] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5065] <... restart_syscall resumed>) = 0 [pid 6241] <... prctl resumed>) = 0 [pid 6238] <... mprotect resumed>) = 0 [pid 6241] setpgid(0, 0 [pid 6240] <... write resumed>) = 4 [pid 6239] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6238] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6241] <... setpgid resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6241 [pid 6241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6240] close(3 [pid 6239] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6238] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6242 attached [pid 6240] <... close resumed>) = 0 [pid 6239] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6241] write(3, "1000", 4 [pid 6238] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 6243 attached [pid 6242] set_robust_list(0x555581d606a0, 24 [pid 6241] <... write resumed>) = 4 [pid 6240] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] <... mmap resumed>) = 0x7ff12c95c000 [pid 6238] <... clone3 resumed> => {parent_tid=[6243]}, 88) = 6243 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6242 [pid 6243] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6242] <... set_robust_list resumed>) = 0 [pid 6241] close(3 [pid 6240] <... futex resumed>) = 0 [pid 6239] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6238] rt_sigprocmask(SIG_SETMASK, [], [pid 6243] <... rseq resumed>) = 0 [pid 6242] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6241] <... close resumed>) = 0 [pid 6240] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6239] <... mprotect resumed>) = 0 [pid 6238] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6243] set_robust_list(0x7ff12c97c9a0, 24 [pid 6241] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6238] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] <... set_robust_list resumed>) = 0 [pid 6242] <... prctl resumed>) = 0 [pid 6241] <... futex resumed>) = 0 [pid 6240] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6239] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6238] <... futex resumed>) = 0 [pid 6243] rt_sigprocmask(SIG_SETMASK, [], [pid 6242] setpgid(0, 0 [pid 6241] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6240] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6242] <... setpgid resumed>) = 0 [pid 6241] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6239] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6238] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6243] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6241] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6240] <... mmap resumed>) = 0x7ff12c95c000 [pid 6239] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6243] <... openat resumed>) = 3 [pid 6241] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6244 attached [pid 6242] <... openat resumed>) = 3 [pid 6241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6240] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6243] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] <... mmap resumed>) = 0x7ff12c95c000 [pid 6240] <... mprotect resumed>) = 0 [pid 6243] <... futex resumed>) = 1 [pid 6242] write(3, "1000", 4 [pid 6241] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6240] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6239] <... clone3 resumed> => {parent_tid=[6244]}, 88) = 6244 [pid 6238] <... futex resumed>) = 0 [pid 6243] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6242] <... write resumed>) = 4 [pid 6241] <... mprotect resumed>) = 0 [pid 6239] rt_sigprocmask(SIG_SETMASK, [], [pid 6242] close(3 [pid 6240] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6239] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6238] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] <... futex resumed>) = 0 [pid 6242] <... close resumed>) = 0 [pid 6241] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6240] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6239] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] <... futex resumed>) = 1 [pid 6244] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6243] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6242] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6239] <... futex resumed>) = 0 [pid 6238] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6245 attached [pid 6244] <... rseq resumed>) = 0 [pid 6243] <... ioctl resumed>) = 0 [pid 6242] <... futex resumed>) = 0 [pid 6241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6240] <... clone3 resumed> => {parent_tid=[6245]}, 88) = 6245 [pid 6239] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6245] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6244] set_robust_list(0x7ff12c97c9a0, 24 [pid 6243] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6240] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6246 attached [pid 6245] <... rseq resumed>) = 0 [pid 6244] <... set_robust_list resumed>) = 0 [pid 6243] <... futex resumed>) = 1 [pid 6242] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6238] <... futex resumed>) = 0 [pid 6246] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6245] set_robust_list(0x7ff12c97c9a0, 24 [pid 6244] rt_sigprocmask(SIG_SETMASK, [], [pid 6246] <... rseq resumed>) = 0 [pid 6245] <... set_robust_list resumed>) = 0 [pid 6243] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6242] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6241] <... clone3 resumed> => {parent_tid=[6246]}, 88) = 6246 [pid 6240] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6238] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] set_robust_list(0x7ff12c97c9a0, 24 [pid 6245] rt_sigprocmask(SIG_SETMASK, [], [pid 6244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6243] <... ioctl resumed>) = 0 [pid 6242] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6241] rt_sigprocmask(SIG_SETMASK, [], [pid 6240] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] <... futex resumed>) = 0 [pid 6246] <... set_robust_list resumed>) = 0 [pid 6245] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6244] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6243] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6240] <... futex resumed>) = 0 [pid 6238] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6246] rt_sigprocmask(SIG_SETMASK, [], [pid 6245] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6244] <... openat resumed>) = 3 [pid 6243] <... futex resumed>) = 0 [pid 6242] <... mmap resumed>) = 0x7ff12c95c000 [pid 6241] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6246] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6245] <... openat resumed>) = 3 [pid 6244] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6242] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6241] <... futex resumed>) = 0 [pid 6238] exit_group(0 [pid 6246] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6245] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] <... futex resumed>) = 1 [pid 6243] <... futex resumed>) = ? [pid 6242] <... mprotect resumed>) = 0 [pid 6241] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6239] <... futex resumed>) = 0 [pid 6238] <... exit_group resumed>) = ? [pid 6246] <... openat resumed>) = 3 [pid 6245] <... futex resumed>) = 1 [pid 6244] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6243] +++ exited with 0 +++ [pid 6242] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6240] <... futex resumed>) = 0 [pid 6239] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] +++ exited with 0 +++ [pid 6246] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6239] <... futex resumed>) = 0 [pid 6246] <... futex resumed>) = 1 [pid 6244] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6242] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6241] <... futex resumed>) = 0 [pid 6240] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6246] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6245] <... futex resumed>) = 0 [pid 6244] <... ioctl resumed>) = 0 [pid 6242] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6241] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6247 attached [pid 6241] <... futex resumed>) = 0 [pid 6240] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6247] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6245] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6244] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] <... clone3 resumed> => {parent_tid=[6247]}, 88) = 6247 [pid 6241] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6247] <... rseq resumed>) = 0 [pid 6246] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6245] <... ioctl resumed>) = 0 [pid 6244] <... futex resumed>) = 1 [pid 6242] rt_sigprocmask(SIG_SETMASK, [], [pid 6239] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6248 attached [pid 6247] set_robust_list(0x7ff12c97c9a0, 24 [pid 6246] <... ioctl resumed>) = 0 [pid 6245] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6242] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6239] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] <... futex resumed>) = 1 [pid 6244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6239] <... futex resumed>) = 0 [pid 6248] set_robust_list(0x555581d606a0, 24 [pid 6246] <... futex resumed>) = 1 [pid 6245] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6248] <... set_robust_list resumed>) = 0 [pid 6246] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6244] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6239] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6247] <... set_robust_list resumed>) = 0 [pid 6244] <... ioctl resumed>) = 0 [pid 6242] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] <... futex resumed>) = 0 [pid 6240] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6248 [pid 6248] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6247] rt_sigprocmask(SIG_SETMASK, [], [pid 6244] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] <... futex resumed>) = 0 [pid 6241] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... prctl resumed>) = 0 [pid 6247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6246] <... futex resumed>) = 0 [pid 6245] <... futex resumed>) = 0 [pid 6244] <... futex resumed>) = 1 [pid 6242] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6241] <... futex resumed>) = 1 [pid 6240] <... futex resumed>) = 1 [pid 6239] <... futex resumed>) = 0 [pid 6248] setpgid(0, 0 [pid 6247] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6246] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6245] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6244] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6241] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6240] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6239] exit_group(0 [pid 6248] <... setpgid resumed>) = 0 [pid 6247] <... openat resumed>) = 3 [pid 6246] <... ioctl resumed>) = 0 [pid 6245] <... ioctl resumed>) = 0 [pid 6239] <... exit_group resumed>) = ? [pid 6244] <... futex resumed>) = ? [pid 6247] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] <... futex resumed>) = 1 [pid 6246] <... futex resumed>) = 1 [pid 6242] <... futex resumed>) = 0 [pid 6241] <... futex resumed>) = 0 [pid 6247] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6246] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6242] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] exit_group(0 [pid 6247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6246] <... futex resumed>) = ? [pid 6242] <... futex resumed>) = 0 [pid 6241] <... exit_group resumed>) = ? [pid 6248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6247] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6246] +++ exited with 0 +++ [pid 6245] <... futex resumed>) = 1 [pid 6242] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6241] +++ exited with 0 +++ [pid 6240] <... futex resumed>) = 0 [pid 6244] +++ exited with 0 +++ [pid 6239] +++ exited with 0 +++ [pid 6248] <... openat resumed>) = 3 [pid 6247] <... ioctl resumed>) = 0 [pid 6245] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6240] exit_group(0 [pid 6248] write(3, "1000", 4 [pid 6247] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] <... futex resumed>) = ? [pid 6240] <... exit_group resumed>) = ? [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6239, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6248] <... write resumed>) = 4 [pid 6247] <... futex resumed>) = 1 [pid 6245] +++ exited with 0 +++ [pid 6242] <... futex resumed>) = 0 [pid 6240] +++ exited with 0 +++ [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6248] close(3 [pid 6247] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6242] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6240, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6242] <... futex resumed>) = 0 [pid 6242] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6247] ioctl(3, SNDRV_TIMER_IOCTL_START, 0) = 0 [pid 6247] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] <... futex resumed>) = 0 [pid 6247] <... futex resumed>) = 1 [pid 6242] exit_group(0) = ? [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6249 ./strace-static-x86_64: Process 6249 attached [pid 6248] <... close resumed>) = 0 ./strace-static-x86_64: Process 6250 attached [pid 6249] set_robust_list(0x555581d606a0, 24 [pid 6248] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] +++ exited with 0 +++ [pid 6242] +++ exited with 0 +++ [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6250 [pid 6250] set_robust_list(0x555581d606a0, 24 [pid 6249] <... set_robust_list resumed>) = 0 [pid 6248] <... futex resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6242, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6250] <... set_robust_list resumed>) = 0 [pid 6250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6249] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6248] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6249] <... prctl resumed>) = 0 [pid 6248] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6248] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6250] <... prctl resumed>) = 0 [pid 6248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6250] setpgid(0, 0 [pid 6249] setpgid(0, 0 [pid 6248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6250] <... setpgid resumed>) = 0 [pid 6250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6252 attached ./strace-static-x86_64: Process 6251 attached [pid 6252] set_robust_list(0x555581d606a0, 24 [pid 6251] set_robust_list(0x555581d606a0, 24 [pid 6250] <... openat resumed>) = 3 [pid 6249] <... setpgid resumed>) = 0 [pid 6248] <... mmap resumed>) = 0x7ff12c95c000 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6252 [pid 6252] <... set_robust_list resumed>) = 0 [pid 6251] <... set_robust_list resumed>) = 0 [pid 6252] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6250] write(3, "1000", 4 [pid 6249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6248] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6252] <... prctl resumed>) = 0 [pid 6251] <... prctl resumed>) = 0 [pid 6250] <... write resumed>) = 4 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6251 [pid 6252] setpgid(0, 0 [pid 6251] setpgid(0, 0 [pid 6250] close(3 [pid 6248] <... mprotect resumed>) = 0 [pid 6252] <... setpgid resumed>) = 0 [pid 6251] <... setpgid resumed>) = 0 [pid 6250] <... close resumed>) = 0 [pid 6249] <... openat resumed>) = 3 [pid 6248] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6250] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] write(3, "1000", 4 [pid 6248] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6252] <... openat resumed>) = 3 [pid 6249] <... write resumed>) = 4 [pid 6251] <... openat resumed>) = 3 [pid 6250] <... futex resumed>) = 0 [pid 6249] close(3 [pid 6248] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 6253 attached [pid 6249] <... close resumed>) = 0 [pid 6253] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6252] write(3, "1000", 4 [pid 6251] write(3, "1000", 4 [pid 6250] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6249] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... clone3 resumed> => {parent_tid=[6253]}, 88) = 6253 [pid 6252] <... write resumed>) = 4 [pid 6251] <... write resumed>) = 4 [pid 6250] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6249] <... futex resumed>) = 0 [pid 6252] close(3 [pid 6251] close(3 [pid 6250] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6249] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6252] <... close resumed>) = 0 [pid 6251] <... close resumed>) = 0 [pid 6250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6249] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6252] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6249] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6252] <... futex resumed>) = 0 [pid 6251] <... futex resumed>) = 0 [pid 6249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6252] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6251] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6250] <... mmap resumed>) = 0x7ff12c95c000 [pid 6249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6252] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6251] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6250] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6249] <... mmap resumed>) = 0x7ff12c95c000 [pid 6252] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6251] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6250] <... mprotect resumed>) = 0 [pid 6249] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6252] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6250] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6249] <... mprotect resumed>) = 0 [pid 6252] <... mmap resumed>) = 0x7ff12c95c000 [pid 6251] <... mmap resumed>) = 0x7ff12c95c000 [pid 6251] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6250] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6249] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6252] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6251] <... mprotect resumed>) = 0 [pid 6250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 6254 attached [pid 6253] <... rseq resumed>) = 0 [pid 6252] <... mprotect resumed>) = 0 [pid 6251] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6249] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6248] rt_sigprocmask(SIG_SETMASK, [], [pid 6254] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6253] set_robust_list(0x7ff12c97c9a0, 24 [pid 6252] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6254] <... rseq resumed>) = 0 [pid 6248] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] set_robust_list(0x7ff12c97c9a0, 24 [pid 6253] <... set_robust_list resumed>) = 0 [pid 6248] <... futex resumed>) = 0 [pid 6254] <... set_robust_list resumed>) = 0 [pid 6253] rt_sigprocmask(SIG_SETMASK, [], [pid 6254] rt_sigprocmask(SIG_SETMASK, [], [pid 6253] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6248] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6254] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6254] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6253] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6252] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6251] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6250] <... clone3 resumed> => {parent_tid=[6254]}, 88) = 6254 [pid 6249] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6253] <... openat resumed>) = 3 [pid 6252] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6251] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6250] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6256 attached ./strace-static-x86_64: Process 6255 attached [pid 6253] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6249] <... clone3 resumed> => {parent_tid=[6255]}, 88) = 6255 ./strace-static-x86_64: Process 6257 attached [pid 6256] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6255] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6253] <... futex resumed>) = 1 [pid 6252] <... clone3 resumed> => {parent_tid=[6256]}, 88) = 6256 [pid 6251] <... clone3 resumed> => {parent_tid=[6257]}, 88) = 6257 [pid 6250] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] rt_sigprocmask(SIG_SETMASK, [], [pid 6248] <... futex resumed>) = 0 [pid 6257] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6256] <... rseq resumed>) = 0 [pid 6255] <... rseq resumed>) = 0 [pid 6254] <... futex resumed>) = 0 [pid 6253] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6252] rt_sigprocmask(SIG_SETMASK, [], [pid 6251] rt_sigprocmask(SIG_SETMASK, [], [pid 6250] <... futex resumed>) = 1 [pid 6249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6257] <... rseq resumed>) = 0 [pid 6256] set_robust_list(0x7ff12c97c9a0, 24 [pid 6255] set_robust_list(0x7ff12c97c9a0, 24 [pid 6254] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6250] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6248] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] set_robust_list(0x7ff12c97c9a0, 24 [pid 6256] <... set_robust_list resumed>) = 0 [pid 6255] <... set_robust_list resumed>) = 0 [pid 6254] <... openat resumed>) = 3 [pid 6253] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6252] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] <... set_robust_list resumed>) = 0 [pid 6256] rt_sigprocmask(SIG_SETMASK, [], [pid 6255] rt_sigprocmask(SIG_SETMASK, [], [pid 6254] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... ioctl resumed>) = 0 [pid 6252] <... futex resumed>) = 0 [pid 6251] <... futex resumed>) = 0 [pid 6249] <... futex resumed>) = 0 [pid 6248] <... futex resumed>) = 0 [pid 6257] rt_sigprocmask(SIG_SETMASK, [], [pid 6256] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6254] <... futex resumed>) = 1 [pid 6253] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6251] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6250] <... futex resumed>) = 0 [pid 6249] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6248] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6256] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6255] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6254] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6257] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6253] <... futex resumed>) = 0 [pid 6250] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6250] <... futex resumed>) = 0 [pid 6253] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6248] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6254] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6250] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6248] <... futex resumed>) = 0 [pid 6257] <... openat resumed>) = 3 [pid 6256] <... openat resumed>) = 3 [pid 6255] <... openat resumed>) = 3 [pid 6254] <... ioctl resumed>) = 0 [pid 6253] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6248] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6257] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... ioctl resumed>) = 0 [pid 6257] <... futex resumed>) = 1 [pid 6256] <... futex resumed>) = 1 [pid 6255] <... futex resumed>) = 1 [pid 6254] <... futex resumed>) = 1 [pid 6253] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... futex resumed>) = 0 [pid 6251] <... futex resumed>) = 0 [pid 6250] <... futex resumed>) = 0 [pid 6249] <... futex resumed>) = 0 [pid 6257] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6256] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6254] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6253] <... futex resumed>) = 1 [pid 6252] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... futex resumed>) = 0 [pid 6257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6253] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6252] <... futex resumed>) = 0 [pid 6251] <... futex resumed>) = 0 [pid 6250] <... futex resumed>) = 0 [pid 6249] <... futex resumed>) = 0 [pid 6248] exit_group(0 [pid 6257] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6256] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6255] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6254] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6253] <... futex resumed>) = ? [pid 6252] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6251] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6250] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6249] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6248] <... exit_group resumed>) = ? [pid 6255] <... ioctl resumed>) = 0 [pid 6254] <... ioctl resumed>) = 0 [pid 6253] +++ exited with 0 +++ [pid 6254] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6250] <... futex resumed>) = 0 [pid 6254] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6250] exit_group(0 [pid 6254] <... futex resumed>) = ? [pid 6250] <... exit_group resumed>) = ? [pid 6257] <... ioctl resumed>) = 0 [pid 6256] <... ioctl resumed>) = 0 [pid 6255] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] +++ exited with 0 +++ [pid 6250] +++ exited with 0 +++ [pid 6248] +++ exited with 0 +++ [pid 6256] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] <... futex resumed>) = 1 [pid 6249] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6248, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6257] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6255] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6249] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] <... futex resumed>) = 1 [pid 6256] <... futex resumed>) = 1 [pid 6255] <... ioctl resumed>) = 0 [pid 6251] <... futex resumed>) = 0 [pid 6249] <... futex resumed>) = 0 [pid 6257] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6256] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... futex resumed>) = 0 [pid 6251] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6255] <... futex resumed>) = 0 [pid 6252] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] <... futex resumed>) = 0 [pid 6249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6257] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6256] <... futex resumed>) = 0 [pid 6255] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6252] <... futex resumed>) = 1 [pid 6251] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6257] <... ioctl resumed>) = 0 [pid 6256] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6252] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6249] exit_group(0 [pid 6257] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... ioctl resumed>) = 0 [pid 6249] <... exit_group resumed>) = ? [pid 6257] <... futex resumed>) = 1 [pid 6256] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] <... futex resumed>) = ? [pid 6251] <... futex resumed>) = 0 [pid 6257] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6256] <... futex resumed>) = 1 [pid 6252] <... futex resumed>) = 0 [pid 6251] exit_group(0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6257] <... futex resumed>) = ? [pid 6256] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6252] exit_group(0 [pid 6251] <... exit_group resumed>) = ? [pid 6256] <... futex resumed>) = ? [pid 6252] <... exit_group resumed>) = ? [pid 6256] +++ exited with 0 +++ ./strace-static-x86_64: Process 6258 attached [pid 6258] set_robust_list(0x555581d606a0, 24) = 0 [pid 6258] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6258] setpgid(0, 0) = 0 [pid 6258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6257] +++ exited with 0 +++ [pid 6252] +++ exited with 0 +++ [pid 6251] +++ exited with 0 +++ [pid 6258] <... openat resumed>) = 3 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6251, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6255] +++ exited with 0 +++ [pid 6249] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6252, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6249, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6258] write(3, "1000", 4 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6259 attached ./strace-static-x86_64: Process 6261 attached [pid 6258] <... write resumed>) = 4 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6258 [pid 6258] close(3) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6261 [pid 6261] set_robust_list(0x555581d606a0, 24./strace-static-x86_64: Process 6260 attached [pid 6258] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] set_robust_list(0x555581d606a0, 24 [pid 6258] <... futex resumed>) = 0 [pid 6258] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6260] <... set_robust_list resumed>) = 0 [pid 6258] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6258] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6260 [pid 6260] <... prctl resumed>) = 0 [pid 6258] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6260] setpgid(0, 0 [pid 6258] <... mmap resumed>) = 0x7ff12c95c000 [pid 6260] <... setpgid resumed>) = 0 [pid 6258] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6261] <... set_robust_list resumed>) = 0 [pid 6260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6258] <... mprotect resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6259] set_robust_list(0x555581d606a0, 24 [pid 6261] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6260] <... openat resumed>) = 3 [pid 6259] <... set_robust_list resumed>) = 0 [pid 6258] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ./strace-static-x86_64: Process 6262 attached [pid 6261] <... prctl resumed>) = 0 [pid 6260] write(3, "1000", 4 [pid 6259] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6259 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6262 [pid 6262] set_robust_list(0x555581d606a0, 24 [pid 6261] setpgid(0, 0 [pid 6260] <... write resumed>) = 4 [pid 6259] <... prctl resumed>) = 0 [pid 6258] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6262] <... set_robust_list resumed>) = 0 [pid 6261] <... setpgid resumed>) = 0 [pid 6260] close(3 [pid 6259] setpgid(0, 0./strace-static-x86_64: Process 6263 attached [pid 6262] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6260] <... close resumed>) = 0 [pid 6259] <... setpgid resumed>) = 0 [pid 6263] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 6262] <... prctl resumed>) = 0 [pid 6261] <... openat resumed>) = 3 [pid 6260] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6263] set_robust_list(0x7ff12c97c9a0, 24 [pid 6262] setpgid(0, 0 [pid 6261] write(3, "1000", 4 [pid 6260] <... futex resumed>) = 0 [pid 6259] <... openat resumed>) = 3 [pid 6258] <... clone3 resumed> => {parent_tid=[6263]}, 88) = 6263 [pid 6263] <... set_robust_list resumed>) = 0 [pid 6262] <... setpgid resumed>) = 0 [pid 6261] <... write resumed>) = 4 [pid 6260] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6261] close(3 [pid 6263] rt_sigprocmask(SIG_SETMASK, [], [pid 6260] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6259] write(3, "1000", 4 [pid 6258] rt_sigprocmask(SIG_SETMASK, [], [pid 6263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6262] <... openat resumed>) = 3 [pid 6261] <... close resumed>) = 0 [pid 6260] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6259] <... write resumed>) = 4 [pid 6258] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6261] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6259] close(3 [pid 6258] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] write(3, "1000", 4 [pid 6261] <... futex resumed>) = 0 [pid 6260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6259] <... close resumed>) = 0 [pid 6258] <... futex resumed>) = 0 [pid 6262] <... write resumed>) = 4 [pid 6261] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6260] <... mmap resumed>) = 0x7ff12c95c000 [pid 6259] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6258] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6262] close(3 [pid 6261] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6260] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6259] <... futex resumed>) = 0 [pid 6262] <... close resumed>) = 0 [pid 6261] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6260] <... mprotect resumed>) = 0 [pid 6259] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6262] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6262] <... futex resumed>) = 0 [pid 6261] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6260] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6259] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6263] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6262] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6261] <... mmap resumed>) = 0x7ff12c95c000 [pid 6262] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6261] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6259] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6263] <... openat resumed>) = 3 [pid 6262] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6261] <... mprotect resumed>) = 0 [pid 6260] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6259] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6263] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6261] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6260] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6259] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6263] <... futex resumed>) = 1 [pid 6262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6258] <... futex resumed>) = 0 [pid 6263] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6262] <... mmap resumed>) = 0x7ff12c95c000 [pid 6261] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6259] <... mmap resumed>) = 0x7ff12c95c000 [pid 6258] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6261] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6263] <... ioctl resumed>) = 0 [pid 6258] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6264 attached [pid 6263] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6258] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6265 attached [pid 6264] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6263] <... futex resumed>) = 0 [pid 6262] <... mprotect resumed>) = 0 [pid 6260] <... clone3 resumed> => {parent_tid=[6264]}, 88) = 6264 [pid 6259] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6265] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6264] <... rseq resumed>) = 0 [pid 6263] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6262] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6265] <... rseq resumed>) = 0 [pid 6264] set_robust_list(0x7ff12c97c9a0, 24 [pid 6263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6258] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] set_robust_list(0x7ff12c97c9a0, 24 [pid 6264] <... set_robust_list resumed>) = 0 [pid 6263] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6258] <... futex resumed>) = 0 [pid 6265] <... set_robust_list resumed>) = 0 [pid 6264] rt_sigprocmask(SIG_SETMASK, [], [pid 6263] <... ioctl resumed>) = 0 [pid 6258] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6265] rt_sigprocmask(SIG_SETMASK, [], [pid 6264] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6263] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6265] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6263] <... futex resumed>) = 0 [pid 6258] exit_group(0 [pid 6263] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6262] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6261] <... clone3 resumed> => {parent_tid=[6265]}, 88) = 6265 [pid 6260] rt_sigprocmask(SIG_SETMASK, [], [pid 6259] <... mprotect resumed>) = 0 [pid 6264] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6263] <... futex resumed>) = ? [pid 6262] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6261] rt_sigprocmask(SIG_SETMASK, [], [pid 6260] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6259] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6258] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6266 attached [pid 6263] +++ exited with 0 +++ [pid 6261] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6260] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6266] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6264] <... futex resumed>) = 0 [pid 6262] <... clone3 resumed> => {parent_tid=[6266]}, 88) = 6266 [pid 6261] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] <... futex resumed>) = 1 [pid 6259] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6262] rt_sigprocmask(SIG_SETMASK, [], [pid 6261] <... futex resumed>) = 1 [pid 6260] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6267 attached [pid 6262] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6261] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6267] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6262] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] <... rseq resumed>) = 0 [pid 6262] <... futex resumed>) = 0 [pid 6259] <... clone3 resumed> => {parent_tid=[6267]}, 88) = 6267 [pid 6267] set_robust_list(0x7ff12c97c9a0, 24 [pid 6262] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] rt_sigprocmask(SIG_SETMASK, [], [pid 6267] <... set_robust_list resumed>) = 0 [pid 6267] rt_sigprocmask(SIG_SETMASK, [], [pid 6259] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6266] <... rseq resumed>) = 0 [pid 6265] <... futex resumed>) = 0 [pid 6258] +++ exited with 0 +++ [pid 6267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6259] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6259] <... futex resumed>) = 0 [pid 6259] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6267] <... openat resumed>) = 3 [pid 6267] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6259] <... futex resumed>) = 0 [pid 6267] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6266] set_robust_list(0x7ff12c97c9a0, 24 [pid 6264] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6259] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] <... ioctl resumed>) = 0 [pid 6266] <... set_robust_list resumed>) = 0 [pid 6265] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6259] <... futex resumed>) = 0 [pid 6266] rt_sigprocmask(SIG_SETMASK, [], [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6267] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6267] <... futex resumed>) = 0 [pid 6266] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 6267] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6259] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6266] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6259] <... futex resumed>) = 0 [pid 5066] <... restart_syscall resumed>) = 0 [pid 6267] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6264] <... openat resumed>) = 3 [pid 6259] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6267] <... ioctl resumed>) = 0 [pid 6266] <... openat resumed>) = 3 [pid 6265] <... openat resumed>) = 3 [pid 6264] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6259] <... futex resumed>) = 0 [pid 6267] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6266] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] <... futex resumed>) = 1 [pid 6260] <... futex resumed>) = 0 [pid 6266] <... futex resumed>) = 1 [pid 6265] <... futex resumed>) = 1 [pid 6264] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6262] <... futex resumed>) = 0 [pid 6261] <... futex resumed>) = 0 [pid 6260] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] exit_group(0 [pid 6267] <... futex resumed>) = ? [pid 6266] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6265] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6262] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] <... futex resumed>) = 0 [pid 6259] <... exit_group resumed>) = ? [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6267] +++ exited with 0 +++ [pid 6266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6264] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6262] <... futex resumed>) = 0 [pid 6261] <... futex resumed>) = 0 [pid 6260] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] +++ exited with 0 +++ [pid 6266] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6265] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6264] <... ioctl resumed>) = 0 [pid 6262] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6268 attached [pid 6266] <... ioctl resumed>) = 0 [pid 6265] <... ioctl resumed>) = 0 [pid 6264] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6268 [pid 6268] set_robust_list(0x555581d606a0, 24 [pid 6266] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] <... futex resumed>) = 0 [pid 6261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6260] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6268] <... set_robust_list resumed>) = 0 [pid 6266] <... futex resumed>) = 1 [pid 6265] <... futex resumed>) = 0 [pid 6264] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6262] <... futex resumed>) = 0 [pid 6261] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6269 attached [pid 6268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6266] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6265] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6264] <... ioctl resumed>) = 0 [pid 6262] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] <... futex resumed>) = 0 [pid 6260] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6268] <... prctl resumed>) = 0 [pid 6265] <... ioctl resumed>) = 0 [pid 6264] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] <... futex resumed>) = 0 [pid 6261] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6269] set_robust_list(0x555581d606a0, 24 [pid 6265] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] <... futex resumed>) = 0 [pid 6269] <... set_robust_list resumed>) = 0 [pid 6266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6265] <... futex resumed>) = 0 [pid 6264] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6262] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6260] exit_group(0 [pid 6269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6266] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6265] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6264] <... futex resumed>) = ? [pid 6261] exit_group(0 [pid 6260] <... exit_group resumed>) = ? [pid 6269] <... prctl resumed>) = 0 [pid 6268] setpgid(0, 0 [pid 6266] <... ioctl resumed>) = 0 [pid 6264] +++ exited with 0 +++ [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6269 [pid 6269] setpgid(0, 0 [pid 6268] <... setpgid resumed>) = 0 [pid 6266] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] <... futex resumed>) = ? [pid 6261] <... exit_group resumed>) = ? [pid 6260] +++ exited with 0 +++ [pid 6269] <... setpgid resumed>) = 0 [pid 6268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6262] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6269] <... openat resumed>) = 3 [pid 6268] <... openat resumed>) = 3 [pid 6266] <... futex resumed>) = 1 [pid 6262] exit_group(0 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 6262] <... exit_group resumed>) = ? [pid 6269] write(3, "1000", 4 [pid 6268] write(3, "1000", 4 [pid 5070] <... restart_syscall resumed>) = 0 [pid 6269] <... write resumed>) = 4 [pid 6269] close(3 [pid 6268] <... write resumed>) = 4 [pid 6269] <... close resumed>) = 0 [pid 6268] close(3 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6269] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] <... close resumed>) = 0 [pid 6268] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] <... futex resumed>) = 0 [pid 6269] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6268] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6270 attached [pid 6269] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6268] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6265] +++ exited with 0 +++ [pid 6261] +++ exited with 0 +++ [pid 6270] set_robust_list(0x555581d606a0, 24 [pid 6269] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6268] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6266] +++ exited with 0 +++ [pid 6262] +++ exited with 0 +++ [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6270 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6261, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6270] <... set_robust_list resumed>) = 0 [pid 6269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6268] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 6270] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... restart_syscall resumed>) = 0 [pid 6270] <... prctl resumed>) = 0 [pid 6269] <... mmap resumed>) = 0x7ff12c95c000 [pid 6268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6270] setpgid(0, 0 [pid 6269] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6268] <... mmap resumed>) = 0x7ff12c95c000 [pid 6270] <... setpgid resumed>) = 0 [pid 6268] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6269] <... mprotect resumed>) = 0 [pid 6268] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6271 attached [pid 6269] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6268] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6271] set_robust_list(0x555581d606a0, 24) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6271 [pid 6271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6270] <... openat resumed>) = 3 [pid 6269] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6268] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6271] <... prctl resumed>) = 0 [pid 6270] write(3, "1000", 4 [pid 6269] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 6272 attached [pid 6271] setpgid(0, 0 [pid 6270] <... write resumed>) = 4 [pid 6272] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6270] close(3 [pid 6271] <... setpgid resumed>) = 0 [pid 6272] <... rseq resumed>) = 0 [pid 6272] set_robust_list(0x7ff12c97c9a0, 24 [pid 6270] <... close resumed>) = 0 [pid 6272] <... set_robust_list resumed>) = 0 [pid 6272] rt_sigprocmask(SIG_SETMASK, [], [pid 6271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6270] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6272] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6269] <... clone3 resumed> => {parent_tid=[6272]}, 88) = 6272 [pid 6270] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6273 attached [pid 6269] rt_sigprocmask(SIG_SETMASK, [], [pid 6273] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 6271] <... openat resumed>) = 3 [pid 6270] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6268] <... clone3 resumed> => {parent_tid=[6273]}, 88) = 6273 [pid 6271] write(3, "1000", 4 [pid 6270] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6269] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] rt_sigprocmask(SIG_SETMASK, [], [pid 6271] <... write resumed>) = 4 [pid 6270] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6269] <... futex resumed>) = 1 [pid 6268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6271] close(3 [pid 6270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6269] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6268] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] <... close resumed>) = 0 [pid 6270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6268] <... futex resumed>) = 0 [pid 6273] set_robust_list(0x7ff12c97c9a0, 24 [pid 6272] <... futex resumed>) = 0 [pid 6271] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6274 attached [pid 6273] <... set_robust_list resumed>) = 0 [pid 6272] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6271] <... futex resumed>) = 0 [pid 6270] <... mmap resumed>) = 0x7ff12c95c000 [pid 6268] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6274 [pid 6274] set_robust_list(0x555581d606a0, 24 [pid 6273] rt_sigprocmask(SIG_SETMASK, [], [pid 6272] <... openat resumed>) = 3 [pid 6271] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6274] <... set_robust_list resumed>) = 0 [pid 6273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6272] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6270] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6274] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6273] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6272] <... futex resumed>) = 1 [pid 6271] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6269] <... futex resumed>) = 0 [pid 6270] <... mprotect resumed>) = 0 [pid 6273] <... openat resumed>) = 3 [pid 6272] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6269] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] <... prctl resumed>) = 0 [pid 6273] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6269] <... futex resumed>) = 0 [pid 6274] setpgid(0, 0 [pid 6273] <... futex resumed>) = 1 [pid 6272] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6270] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6269] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6268] <... futex resumed>) = 0 [pid 6274] <... setpgid resumed>) = 0 [pid 6273] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6272] <... ioctl resumed>) = 0 [pid 6268] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6272] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] <... futex resumed>) = 0 [pid 6273] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6272] <... futex resumed>) = 1 [pid 6271] <... mmap resumed>) = 0x7ff12c95c000 [pid 6270] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6269] <... futex resumed>) = 0 [pid 6268] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6273] <... ioctl resumed>) = 0 [pid 6272] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6269] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... ioctl resumed>) = 0 [pid 6270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6269] <... futex resumed>) = 0 [pid 6273] <... futex resumed>) = 1 [pid 6272] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6268] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6275 attached [pid 6273] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6272] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6268] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6274] <... openat resumed>) = 3 [pid 6273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6272] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6271] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6269] exit_group(0 [pid 6268] <... futex resumed>) = 0 [pid 6275] <... rseq resumed>) = 0 [pid 6273] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6272] <... futex resumed>) = ? [pid 6271] <... mprotect resumed>) = 0 [pid 6269] <... exit_group resumed>) = ? [pid 6270] <... clone3 resumed> => {parent_tid=[6275]}, 88) = 6275 [pid 6268] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6274] write(3, "1000", 4 [pid 6275] set_robust_list(0x7ff12c97c9a0, 24 [pid 6273] <... ioctl resumed>) = 0 [pid 6272] +++ exited with 0 +++ [pid 6271] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6270] rt_sigprocmask(SIG_SETMASK, [], [pid 6275] <... set_robust_list resumed>) = 0 [pid 6274] <... write resumed>) = 4 [pid 6273] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6269] +++ exited with 0 +++ [pid 6275] rt_sigprocmask(SIG_SETMASK, [], [pid 6274] close(3 [pid 6273] <... futex resumed>) = 1 [pid 6271] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6270] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6269, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6274] <... close resumed>) = 0 [pid 6273] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6271] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6270] <... futex resumed>) = 0 [pid 6268] exit_group(0 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 6275] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6274] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] <... futex resumed>) = ? [pid 6270] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6268] <... exit_group resumed>) = ? [pid 5068] <... restart_syscall resumed>) = 0 [pid 6274] <... futex resumed>) = 0 [pid 6273] +++ exited with 0 +++ [pid 6275] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6276 attached [pid 6275] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6276] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6275] <... futex resumed>) = 1 [pid 6270] <... futex resumed>) = 0 [pid 6274] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6271] <... clone3 resumed> => {parent_tid=[6276]}, 88) = 6276 [pid 6276] <... rseq resumed>) = 0 [pid 6275] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6274] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6271] rt_sigprocmask(SIG_SETMASK, [], [pid 6270] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] set_robust_list(0x7ff12c97c9a0, 24 [pid 6275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6274] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6274] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6271] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6271] <... futex resumed>) = 0 [pid 6274] <... mmap resumed>) = 0x7ff12c95c000 [pid 6271] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6277 attached [pid 6276] <... set_robust_list resumed>) = 0 [pid 6275] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6274] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6270] <... futex resumed>) = 0 [pid 6268] +++ exited with 0 +++ [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6277 [pid 6277] set_robust_list(0x555581d606a0, 24 [pid 6276] rt_sigprocmask(SIG_SETMASK, [], [pid 6275] <... ioctl resumed>) = 0 [pid 6274] <... mprotect resumed>) = 0 [pid 6270] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6268, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6277] <... set_robust_list resumed>) = 0 [pid 6276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6275] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 6274] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5066] <... restart_syscall resumed>) = 0 [pid 6276] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6274] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6270] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6278 attached [pid 6277] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6276] <... openat resumed>) = 3 [pid 6275] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6270] <... futex resumed>) = 0 [pid 6278] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6277] <... prctl resumed>) = 0 [pid 6276] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... ioctl resumed>) = 0 [pid 6270] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6278] <... rseq resumed>) = 0 [pid 6277] setpgid(0, 0 [pid 6275] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] <... clone3 resumed> => {parent_tid=[6278]}, 88) = 6278 [pid 6270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6276] <... futex resumed>) = 1 [pid 6271] <... futex resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6278] set_robust_list(0x7ff12c97c9a0, 24 [pid 6277] <... setpgid resumed>) = 0 [pid 6276] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6275] <... futex resumed>) = 0 [pid 6274] rt_sigprocmask(SIG_SETMASK, [], [pid 6271] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] exit_group(0 [pid 6278] <... set_robust_list resumed>) = 0 [pid 6277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6274] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6271] <... futex resumed>) = 0 [pid 6270] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6279 attached [pid 6278] rt_sigprocmask(SIG_SETMASK, [], [pid 6276] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6275] +++ exited with 0 +++ [pid 6274] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6279] set_robust_list(0x555581d606a0, 24 [pid 6278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6274] <... futex resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6279 [pid 6279] <... set_robust_list resumed>) = 0 [pid 6278] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6274] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6279] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6278] <... openat resumed>) = 3 [pid 6270] +++ exited with 0 +++ [pid 6279] <... prctl resumed>) = 0 [pid 6279] setpgid(0, 0 [pid 6278] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... setpgid resumed>) = 0 [pid 6278] <... futex resumed>) = 1 [pid 6274] <... futex resumed>) = 0 [pid 6279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6278] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6274] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... openat resumed>) = 3 [pid 6276] <... ioctl resumed>) = 0 [pid 6278] <... ioctl resumed>) = 0 [pid 6277] write(3, "1000", 4 [pid 6276] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6270, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6279] <... openat resumed>) = 3 [pid 6278] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... write resumed>) = 4 [pid 6276] <... futex resumed>) = 1 [pid 6274] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6271] <... futex resumed>) = 0 [pid 6277] close(3 [pid 6276] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6271] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... close resumed>) = 0 [pid 6276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6271] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6280 attached [pid 6279] write(3, "1000", 4 [pid 6278] <... futex resumed>) = 0 [pid 6277] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6271] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] set_robust_list(0x555581d606a0, 24 [pid 6279] <... write resumed>) = 4 [pid 6278] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6277] <... futex resumed>) = 0 [pid 6276] <... ioctl resumed>) = 0 [pid 6274] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... set_robust_list resumed>) = 0 [pid 6279] close(3 [pid 6278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6274] <... futex resumed>) = 0 [pid 6274] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6279] <... close resumed>) = 0 [pid 6277] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6276] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6277] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6276] <... futex resumed>) = 1 [pid 6271] <... futex resumed>) = 0 [pid 6278] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6279] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6276] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6271] exit_group(0 [pid 6280] <... prctl resumed>) = 0 [pid 6279] <... futex resumed>) = 0 [pid 6278] <... ioctl resumed>) = 0 [pid 6277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6276] <... futex resumed>) = ? [pid 6271] <... exit_group resumed>) = ? [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6280 [pid 6280] setpgid(0, 0 [pid 6279] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6278] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6276] +++ exited with 0 +++ [pid 6271] +++ exited with 0 +++ [pid 6280] <... setpgid resumed>) = 0 [pid 6279] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6278] <... futex resumed>) = 1 [pid 6277] <... mmap resumed>) = 0x7ff12c95c000 [pid 6274] <... futex resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6271, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6279] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6278] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6277] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6277] <... mprotect resumed>) = 0 [pid 6277] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6277] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6274] exit_group(0 [pid 6280] <... openat resumed>) = 3 [pid 6279] <... mmap resumed>) = 0x7ff12c95c000 [pid 6274] <... exit_group resumed>) = ? [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6281 attached [pid 6278] <... futex resumed>) = ? [pid 6281] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6279] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6278] +++ exited with 0 +++ [pid 6281] <... rseq resumed>) = 0 [pid 6279] <... mprotect resumed>) = 0 [pid 6281] set_robust_list(0x7ff12c97c9a0, 24./strace-static-x86_64: Process 6282 attached ) = 0 [pid 6280] write(3, "1000", 4 [pid 6279] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6277] <... clone3 resumed> => {parent_tid=[6281]}, 88) = 6281 [pid 6281] rt_sigprocmask(SIG_SETMASK, [], [pid 6274] +++ exited with 0 +++ [pid 6281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6282] set_robust_list(0x555581d606a0, 24 [pid 6281] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6280] <... write resumed>) = 4 [pid 6282] <... set_robust_list resumed>) = 0 [pid 6279] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6282 [pid 6277] rt_sigprocmask(SIG_SETMASK, [], [pid 6280] close(3 [pid 6282] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6280] <... close resumed>) = 0 [pid 6279] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6282] <... prctl resumed>) = 0 [pid 6277] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] setpgid(0, 0) = 0 [pid 6281] <... futex resumed>) = 0 [pid 6277] <... futex resumed>) = 1 [pid 6282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6280] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6283 attached [pid 6281] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6280] <... futex resumed>) = 0 [pid 6279] <... clone3 resumed> => {parent_tid=[6283]}, 88) = 6283 [pid 6277] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6283] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 6282] <... openat resumed>) = 3 [pid 6283] set_robust_list(0x7ff12c97c9a0, 24 [pid 6281] <... openat resumed>) = 3 [pid 6280] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6279] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6283] <... set_robust_list resumed>) = 0 [pid 6281] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6279] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6281] <... futex resumed>) = 1 [pid 6277] <... futex resumed>) = 0 [pid 6280] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6279] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6277] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6277] <... futex resumed>) = 0 [pid 6283] rt_sigprocmask(SIG_SETMASK, [], [pid 6282] write(3, "1000", 4 [pid 6283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6282] <... write resumed>) = 4 [pid 6283] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6282] close(3 [pid 6283] <... openat resumed>) = 3 [pid 6282] <... close resumed>) = 0 [pid 6283] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6284 attached [pid 6283] <... futex resumed>) = 1 [pid 6282] <... futex resumed>) = 0 [pid 6284] set_robust_list(0x555581d606a0, 24 [pid 6283] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6282] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6284] <... set_robust_list resumed>) = 0 [pid 6282] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6284] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6282] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6279] <... futex resumed>) = 0 [pid 6284] <... prctl resumed>) = 0 [pid 6282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6281] <... ioctl resumed>) = 0 [pid 6279] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6284] setpgid(0, 0 [pid 6283] <... futex resumed>) = 0 [pid 6282] <... mmap resumed>) = 0x7ff12c95c000 [pid 6281] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... mmap resumed>) = 0x7ff12c95c000 [pid 6279] <... futex resumed>) = 1 [pid 6284] <... setpgid resumed>) = 0 [pid 6283] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6282] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6281] <... futex resumed>) = 0 [pid 6280] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6279] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6284 [pid 6284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6283] <... ioctl resumed>) = 0 [pid 6282] <... mprotect resumed>) = 0 [pid 6281] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6277] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6280] <... mprotect resumed>) = 0 [pid 6277] <... futex resumed>) = 0 [pid 6284] <... openat resumed>) = 3 [pid 6283] <... futex resumed>) = 1 [pid 6282] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6281] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6280] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6279] <... futex resumed>) = 0 [pid 6277] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6284] write(3, "1000", 4 [pid 6283] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6282] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6281] <... ioctl resumed>) = 0 [pid 6280] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6279] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] <... write resumed>) = 4 [pid 6283] <... ioctl resumed>) = 0 [pid 6282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6281] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6279] <... futex resumed>) = 0 [pid 6284] close(3 [pid 6283] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6285 attached [pid 6284] <... close resumed>) = 0 [pid 6283] <... futex resumed>) = 0 [pid 6285] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6284] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6281] <... futex resumed>) = 1 [pid 6279] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6277] <... futex resumed>) = 0 [pid 6285] <... rseq resumed>) = 0 [pid 6284] <... futex resumed>) = 0 [pid 6282] <... clone3 resumed> => {parent_tid=[6285]}, 88) = 6285 [pid 6281] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6277] exit_group(0./strace-static-x86_64: Process 6286 attached [pid 6285] set_robust_list(0x7ff12c97c9a0, 24 [pid 6284] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6282] rt_sigprocmask(SIG_SETMASK, [], [pid 6280] <... clone3 resumed> => {parent_tid=[6286]}, 88) = 6286 [pid 6279] exit_group(0 [pid 6286] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6285] <... set_robust_list resumed>) = 0 [pid 6284] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6283] <... futex resumed>) = ? [pid 6282] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6281] <... futex resumed>) = ? [pid 6280] rt_sigprocmask(SIG_SETMASK, [], [pid 6279] <... exit_group resumed>) = ? [pid 6277] <... exit_group resumed>) = ? [pid 6286] <... rseq resumed>) = 0 [pid 6285] rt_sigprocmask(SIG_SETMASK, [], [pid 6284] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6282] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] +++ exited with 0 +++ [pid 6286] set_robust_list(0x7ff12c97c9a0, 24 [pid 6285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6282] <... futex resumed>) = 0 [pid 6286] <... set_robust_list resumed>) = 0 [pid 6285] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6282] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6286] rt_sigprocmask(SIG_SETMASK, [], [pid 6285] <... openat resumed>) = 3 [pid 6284] <... mmap resumed>) = 0x7ff12c95c000 [pid 6283] +++ exited with 0 +++ [pid 6286] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6286] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6284] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6280] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] <... futex resumed>) = 0 [pid 6285] <... futex resumed>) = 1 [pid 6282] <... futex resumed>) = 0 [pid 6280] <... futex resumed>) = 1 [pid 6286] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6285] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6282] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] <... openat resumed>) = 3 [pid 6285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6282] <... futex resumed>) = 0 [pid 6280] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6286] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6284] <... mprotect resumed>) = 0 [pid 6282] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6286] <... futex resumed>) = 0 [pid 6285] <... ioctl resumed>) = 0 [pid 6284] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6286] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6279] +++ exited with 0 +++ [pid 6285] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6284] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6282] <... futex resumed>) = 0 [pid 6285] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6284] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6282] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6282] <... futex resumed>) = 0 [pid 6280] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6279, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6287 attached [pid 6286] <... futex resumed>) = 0 [pid 6285] <... ioctl resumed>) = 0 [pid 6282] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] <... futex resumed>) = 1 [pid 6286] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6285] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] <... clone3 resumed> => {parent_tid=[6287]}, 88) = 6287 [pid 6280] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6286] <... ioctl resumed>) = 0 [pid 6285] <... futex resumed>) = 1 [pid 6284] rt_sigprocmask(SIG_SETMASK, [], [pid 6282] <... futex resumed>) = 0 [pid 6287] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6286] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6282] exit_group(0 [pid 6280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6277] +++ exited with 0 +++ [pid 6287] <... rseq resumed>) = 0 [pid 6286] <... futex resumed>) = 0 [pid 6284] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 6287] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6286] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6285] <... futex resumed>) = ? [pid 6284] <... futex resumed>) = 0 [pid 6282] <... exit_group resumed>) = ? [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6287] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY./strace-static-x86_64: Process 6288 attached [pid 6286] <... ioctl resumed>) = 0 [pid 6285] +++ exited with 0 +++ [pid 6284] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6282] +++ exited with 0 +++ [pid 6280] <... futex resumed>) = 0 [pid 6288] set_robust_list(0x555581d606a0, 24 [pid 6287] <... openat resumed>) = 3 [pid 6286] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6282, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6288] <... set_robust_list resumed>) = 0 [pid 6287] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] <... futex resumed>) = 0 [pid 6280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6288 [pid 6286] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6287] <... futex resumed>) = 1 [pid 6284] <... futex resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6288] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6287] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6284] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] exit_group(0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6290 attached [pid 6288] <... prctl resumed>) = 0 [pid 6287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6284] <... futex resumed>) = 0 [pid 6280] <... exit_group resumed>) = ? [pid 6287] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6288] setpgid(0, 0 [pid 6287] <... ioctl resumed>) = 0 [pid 6284] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6290] set_robust_list(0x555581d606a0, 24 [pid 6288] <... setpgid resumed>) = 0 [pid 6287] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6289 [pid 6290] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6289 attached [pid 6286] <... futex resumed>) = ? [pid 6284] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6289] set_robust_list(0x555581d606a0, 24 [pid 6288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6287] <... futex resumed>) = 0 [pid 6286] +++ exited with 0 +++ [pid 6284] <... futex resumed>) = 0 [pid 6280] +++ exited with 0 +++ [pid 6290] <... prctl resumed>) = 0 [pid 6289] <... set_robust_list resumed>) = 0 [pid 6287] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6284] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6280, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6290 [pid 6290] setpgid(0, 0 [pid 6289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 6290] <... setpgid resumed>) = 0 [pid 6289] <... prctl resumed>) = 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 6289] setpgid(0, 0 [pid 6290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6289] <... setpgid resumed>) = 0 [pid 6288] <... openat resumed>) = 3 [pid 6289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6287] <... ioctl resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6290] <... openat resumed>) = 3 [pid 6288] write(3, "1000", 4 [pid 6287] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] <... openat resumed>) = 3 [pid 6287] <... futex resumed>) = 1 [pid 6284] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6291 attached [pid 6290] write(3, "1000", 4 [pid 6288] <... write resumed>) = 4 [pid 6287] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6291] set_robust_list(0x555581d606a0, 24 [pid 6288] close(3 [pid 6290] <... write resumed>) = 4 [pid 6288] <... close resumed>) = 0 [pid 6291] <... set_robust_list resumed>) = 0 [pid 6290] close(3 [pid 6288] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6290] <... close resumed>) = 0 [pid 6288] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 6288] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6290] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] write(3, "1000", 4 [pid 6284] exit_group(0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6291 [pid 6291] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6289] <... write resumed>) = 4 [pid 6287] <... futex resumed>) = ? [pid 6284] <... exit_group resumed>) = ? [pid 6291] <... prctl resumed>) = 0 [pid 6290] <... futex resumed>) = 0 [pid 6289] close(3 [pid 6288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6287] +++ exited with 0 +++ [pid 6284] +++ exited with 0 +++ [pid 6289] <... close resumed>) = 0 [pid 6290] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6289] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] <... mmap resumed>) = 0x7ff12c95c000 [pid 6290] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6289] <... futex resumed>) = 0 [pid 6288] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6290] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6289] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6289] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6288] <... mprotect resumed>) = 0 [pid 6290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6289] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 6289] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6291] setpgid(0, 0 [pid 6289] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6291] <... setpgid resumed>) = 0 [pid 6290] <... mmap resumed>) = 0x7ff12c95c000 [pid 6288] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6290] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6288] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6290] <... mprotect resumed>) = 0 [pid 6288] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 6293 attached [pid 6290] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6289] <... clone3 resumed> => {parent_tid=[6292]}, 88) = 6292 ./strace-static-x86_64: Process 6292 attached [pid 6293] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6291] <... openat resumed>) = 3 [pid 6290] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6289] rt_sigprocmask(SIG_SETMASK, [], [pid 6288] <... clone3 resumed> => {parent_tid=[6293]}, 88) = 6293 ./strace-static-x86_64: Process 6294 attached [pid 6293] <... rseq resumed>) = 0 [pid 6292] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6291] write(3, "1000", 4 [pid 6290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6288] rt_sigprocmask(SIG_SETMASK, [], [pid 6292] <... rseq resumed>) = 0 ./strace-static-x86_64: Process 6295 attached [pid 6294] set_robust_list(0x555581d606a0, 24 [pid 6293] set_robust_list(0x7ff12c97c9a0, 24 [pid 6292] set_robust_list(0x7ff12c97c9a0, 24 [pid 6291] <... write resumed>) = 4 [pid 6289] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6294 [pid 6295] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6294] <... set_robust_list resumed>) = 0 [pid 6293] <... set_robust_list resumed>) = 0 [pid 6292] <... set_robust_list resumed>) = 0 [pid 6291] close(3 [pid 6290] <... clone3 resumed> => {parent_tid=[6295]}, 88) = 6295 [pid 6289] <... futex resumed>) = 0 [pid 6288] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... rseq resumed>) = 0 [pid 6294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6293] rt_sigprocmask(SIG_SETMASK, [], [pid 6292] rt_sigprocmask(SIG_SETMASK, [], [pid 6291] <... close resumed>) = 0 [pid 6290] rt_sigprocmask(SIG_SETMASK, [], [pid 6289] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6288] <... futex resumed>) = 0 [pid 6295] set_robust_list(0x7ff12c97c9a0, 24 [pid 6294] <... prctl resumed>) = 0 [pid 6293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6291] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6288] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6295] <... set_robust_list resumed>) = 0 [pid 6293] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6295] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6294] setpgid(0, 0 [pid 6293] <... openat resumed>) = 3 [pid 6291] <... futex resumed>) = 0 [pid 6290] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6294] <... setpgid resumed>) = 0 [pid 6292] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6291] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6290] <... futex resumed>) = 0 [pid 6291] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6295] <... openat resumed>) = 3 [pid 6294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6293] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6290] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6295] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] <... futex resumed>) = 1 [pid 6292] <... openat resumed>) = 3 [pid 6291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6288] <... futex resumed>) = 0 [pid 6295] <... futex resumed>) = 0 [pid 6293] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6288] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6288] <... futex resumed>) = 0 [pid 6293] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6288] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6293] <... ioctl resumed>) = 0 [pid 6294] <... openat resumed>) = 3 [pid 6290] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6295] <... futex resumed>) = 0 [pid 6293] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] <... futex resumed>) = 1 [pid 6290] <... futex resumed>) = 1 [pid 6289] <... futex resumed>) = 0 [pid 6295] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6294] write(3, "1000", 4 [pid 6293] <... futex resumed>) = 1 [pid 6292] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6291] <... mmap resumed>) = 0x7ff12c95c000 [pid 6290] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6289] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] <... futex resumed>) = 0 [pid 6295] <... ioctl resumed>) = 0 [pid 6294] <... write resumed>) = 4 [pid 6293] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6289] <... futex resumed>) = 0 [pid 6288] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6291] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6295] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] close(3 [pid 6293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6292] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6291] <... mprotect resumed>) = 0 [pid 6289] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6288] <... futex resumed>) = 0 [pid 6295] <... futex resumed>) = 1 [pid 6294] <... close resumed>) = 0 [pid 6293] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6292] <... ioctl resumed>) = 0 [pid 6291] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6290] <... futex resumed>) = 0 [pid 6288] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6295] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] <... ioctl resumed>) = 0 [pid 6292] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6290] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6294] <... futex resumed>) = 0 [pid 6293] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] <... futex resumed>) = 1 [pid 6291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6290] <... futex resumed>) = 0 [pid 6289] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6296 attached [pid 6295] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6294] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6293] <... futex resumed>) = 1 [pid 6292] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6290] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6289] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] <... futex resumed>) = 0 [pid 6296] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6294] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6291] <... clone3 resumed> => {parent_tid=[6296]}, 88) = 6296 [pid 6296] <... rseq resumed>) = 0 [pid 6294] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6292] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6296] set_robust_list(0x7ff12c97c9a0, 24 [pid 6294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6291] rt_sigprocmask(SIG_SETMASK, [], [pid 6296] <... set_robust_list resumed>) = 0 [pid 6294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6292] <... ioctl resumed>) = 0 [pid 6291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6295] <... ioctl resumed>) = 0 [pid 6294] <... mmap resumed>) = 0x7ff12c95c000 [pid 6293] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6292] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] <... futex resumed>) = 0 [pid 6288] exit_group(0 [pid 6296] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6295] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6293] <... futex resumed>) = ? [pid 6292] <... futex resumed>) = 0 [pid 6291] <... futex resumed>) = 0 [pid 6289] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6288] <... exit_group resumed>) = ? [pid 6296] <... openat resumed>) = 3 [pid 6295] <... futex resumed>) = 1 [pid 6294] <... mprotect resumed>) = 0 [pid 6293] +++ exited with 0 +++ [pid 6292] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6291] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6290] <... futex resumed>) = 0 [pid 6289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6288] +++ exited with 0 +++ [pid 6296] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6290] exit_group(0 [pid 6289] exit_group(0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6296] <... futex resumed>) = 0 [pid 6295] <... futex resumed>) = ? [pid 6294] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6292] <... futex resumed>) = ? [pid 6291] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] <... exit_group resumed>) = ? [pid 6289] <... exit_group resumed>) = ? [pid 6296] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6295] +++ exited with 0 +++ [pid 6294] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6292] +++ exited with 0 +++ [pid 6291] <... futex resumed>) = 0 [pid 6290] +++ exited with 0 +++ [pid 6289] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6297 attached [pid 6296] <... ioctl resumed>) = 0 [pid 6291] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6297] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6296] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] <... clone3 resumed> => {parent_tid=[6297]}, 88) = 6297 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6289, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6297] <... rseq resumed>) = 0 [pid 6296] <... futex resumed>) = 0 [pid 6294] rt_sigprocmask(SIG_SETMASK, [], [pid 6291] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 6297] set_robust_list(0x7ff12c97c9a0, 24 [pid 6296] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6291] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6298 attached [pid 6297] <... set_robust_list resumed>) = 0 [pid 6296] <... ioctl resumed>) = 0 [pid 6294] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... restart_syscall resumed>) = 0 [pid 6298] set_robust_list(0x555581d606a0, 24 [pid 6297] rt_sigprocmask(SIG_SETMASK, [], [pid 6296] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] <... futex resumed>) = 0 [pid 6291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6298] <... set_robust_list resumed>) = 0 [pid 6297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6296] <... futex resumed>) = 0 [pid 6294] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6291] exit_group(0 [pid 6298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6297] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6291] <... exit_group resumed>) = ? [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6298 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6296] +++ exited with 0 +++ ./strace-static-x86_64: Process 6299 attached [pid 6299] set_robust_list(0x555581d606a0, 24./strace-static-x86_64: Process 6300 attached ) = 0 [pid 6298] <... prctl resumed>) = 0 [pid 6297] <... openat resumed>) = 3 [pid 6291] +++ exited with 0 +++ [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6299 [pid 6300] set_robust_list(0x555581d606a0, 24 [pid 6299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6298] setpgid(0, 0 [pid 6297] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6291, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6300] <... set_robust_list resumed>) = 0 [pid 6298] <... setpgid resumed>) = 0 [pid 6297] <... futex resumed>) = 1 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6300 [pid 6300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6299] <... prctl resumed>) = 0 [pid 6298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6297] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] <... futex resumed>) = 0 [pid 6299] setpgid(0, 0 [pid 6298] <... openat resumed>) = 3 [pid 6297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6294] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6301 attached [pid 6300] <... prctl resumed>) = 0 [pid 6299] <... setpgid resumed>) = 0 [pid 6297] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6294] <... futex resumed>) = 0 [pid 6301] set_robust_list(0x555581d606a0, 24 [pid 6300] setpgid(0, 0 [pid 6299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6298] write(3, "1000", 4 [pid 6297] <... ioctl resumed>) = 0 [pid 6301] <... set_robust_list resumed>) = 0 [pid 6294] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6300] <... setpgid resumed>) = 0 [pid 6297] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6301] <... prctl resumed>) = 0 [pid 6300] <... openat resumed>) = 3 [pid 6299] <... openat resumed>) = 3 [pid 6298] <... write resumed>) = 4 [pid 6297] <... futex resumed>) = 1 [pid 6294] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6301 [pid 6301] setpgid(0, 0 [pid 6299] write(3, "1000", 4 [pid 6298] close(3 [pid 6297] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] <... setpgid resumed>) = 0 [pid 6300] write(3, "1000", 4 [pid 6299] <... write resumed>) = 4 [pid 6298] <... close resumed>) = 0 [pid 6297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6300] <... write resumed>) = 4 [pid 6299] close(3 [pid 6298] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6294] <... futex resumed>) = 0 [pid 6301] <... openat resumed>) = 3 [pid 6300] close(3 [pid 6299] <... close resumed>) = 0 [pid 6298] <... futex resumed>) = 0 [pid 6297] <... ioctl resumed>) = 0 [pid 6294] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6300] <... close resumed>) = 0 [pid 6299] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6297] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] write(3, "1000", 4 [pid 6300] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] <... futex resumed>) = 0 [pid 6298] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6297] <... futex resumed>) = 1 [pid 6294] <... futex resumed>) = 0 [pid 6301] <... write resumed>) = 4 [pid 6300] <... futex resumed>) = 0 [pid 6299] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6298] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6297] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] close(3 [pid 6300] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6299] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6294] exit_group(0 [pid 6301] <... close resumed>) = 0 [pid 6300] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6299] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6297] <... futex resumed>) = ? [pid 6294] <... exit_group resumed>) = ? [pid 6301] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6298] <... mmap resumed>) = 0x7ff12c95c000 [pid 6301] <... futex resumed>) = 0 [pid 6300] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6298] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6297] +++ exited with 0 +++ [pid 6301] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6299] <... mmap resumed>) = 0x7ff12c95c000 [pid 6298] <... mprotect resumed>) = 0 [pid 6301] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6300] <... mmap resumed>) = 0x7ff12c95c000 [pid 6301] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6300] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6299] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6298] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6300] <... mprotect resumed>) = 0 [pid 6299] <... mprotect resumed>) = 0 [pid 6301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6299] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6301] <... mmap resumed>) = 0x7ff12c95c000 [pid 6300] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6298] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6294] +++ exited with 0 +++ [pid 6301] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6300] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6301] <... mprotect resumed>) = 0 [pid 6300] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6299] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6303 attached ./strace-static-x86_64: Process 6302 attached [pid 6301] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6298] <... clone3 resumed> => {parent_tid=[6302]}, 88) = 6302 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6303] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6302] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6301] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6300] <... clone3 resumed> => {parent_tid=[6303]}, 88) = 6303 [pid 6298] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6304 attached [pid 6303] <... rseq resumed>) = 0 [pid 6302] <... rseq resumed>) = 0 [pid 6301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6300] rt_sigprocmask(SIG_SETMASK, [], [pid 6299] <... clone3 resumed> => {parent_tid=[6304]}, 88) = 6304 [pid 6298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6300] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6299] rt_sigprocmask(SIG_SETMASK, [], [pid 6298] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6305 attached [pid 6300] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6298] <... futex resumed>) = 0 [pid 6302] set_robust_list(0x7ff12c97c9a0, 24 [pid 6303] set_robust_list(0x7ff12c97c9a0, 24./strace-static-x86_64: Process 6306 attached [pid 6305] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6304] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6301] <... clone3 resumed> => {parent_tid=[6305]}, 88) = 6305 [pid 6300] <... futex resumed>) = 0 [pid 6299] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6306] set_robust_list(0x555581d606a0, 24 [pid 6305] <... rseq resumed>) = 0 [pid 6301] rt_sigprocmask(SIG_SETMASK, [], [pid 6300] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6299] <... futex resumed>) = 0 [pid 6306] <... set_robust_list resumed>) = 0 [pid 6305] set_robust_list(0x7ff12c97c9a0, 24 [pid 6301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6299] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6306] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6305] <... set_robust_list resumed>) = 0 [pid 6301] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] rt_sigprocmask(SIG_SETMASK, [], [pid 6301] <... futex resumed>) = 0 [pid 6306] <... prctl resumed>) = 0 [pid 6305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6301] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6306] setpgid(0, 0 [pid 6305] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6306] <... setpgid resumed>) = 0 [pid 6306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6305] <... openat resumed>) = 3 [pid 6304] <... rseq resumed>) = 0 [pid 6303] <... set_robust_list resumed>) = 0 [pid 6302] <... set_robust_list resumed>) = 0 [pid 6303] rt_sigprocmask(SIG_SETMASK, [], [pid 6302] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6306 [pid 6304] set_robust_list(0x7ff12c97c9a0, 24 [pid 6303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6304] <... set_robust_list resumed>) = 0 [pid 6302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6306] <... openat resumed>) = 3 [pid 6305] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] rt_sigprocmask(SIG_SETMASK, [], [pid 6303] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6302] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6306] write(3, "1000", 4 [pid 6305] <... futex resumed>) = 1 [pid 6301] <... futex resumed>) = 0 [pid 6306] <... write resumed>) = 4 [pid 6305] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6302] <... openat resumed>) = 3 [pid 6301] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] close(3 [pid 6305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6303] <... openat resumed>) = 3 [pid 6302] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] <... futex resumed>) = 0 [pid 6306] <... close resumed>) = 0 [pid 6305] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6304] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6303] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] <... futex resumed>) = 1 [pid 6301] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6298] <... futex resumed>) = 0 [pid 6306] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] <... ioctl resumed>) = 0 [pid 6298] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] <... openat resumed>) = 3 [pid 6302] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6303] <... futex resumed>) = 1 [pid 6300] <... futex resumed>) = 0 [pid 6306] <... futex resumed>) = 0 [pid 6305] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] <... futex resumed>) = 0 [pid 6306] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6305] <... futex resumed>) = 1 [pid 6303] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6302] <... ioctl resumed>) = 0 [pid 6301] <... futex resumed>) = 0 [pid 6300] <... futex resumed>) = 0 [pid 6298] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6306] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6305] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6303] <... ioctl resumed>) = 0 [pid 6306] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6304] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] <... futex resumed>) = 0 [pid 6306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6305] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6304] <... futex resumed>) = 1 [pid 6303] <... futex resumed>) = 1 [pid 6302] <... futex resumed>) = 1 [pid 6301] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6300] <... futex resumed>) = 0 [pid 6299] <... futex resumed>) = 0 [pid 6298] <... futex resumed>) = 0 [pid 6304] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6303] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6302] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6305] <... ioctl resumed>) = 0 [pid 6300] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] <... mmap resumed>) = 0x7ff12c95c000 [pid 6305] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] <... futex resumed>) = 0 [pid 6303] <... futex resumed>) = 0 [pid 6302] <... futex resumed>) = 0 [pid 6300] <... futex resumed>) = 1 [pid 6299] <... futex resumed>) = 1 [pid 6298] <... futex resumed>) = 1 [pid 6306] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6305] <... futex resumed>) = 1 [pid 6304] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6303] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6302] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6301] <... futex resumed>) = 0 [pid 6300] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6299] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6298] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6306] <... mprotect resumed>) = 0 [pid 6305] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6304] <... ioctl resumed>) = 0 [pid 6303] <... ioctl resumed>) = 0 [pid 6302] <... ioctl resumed>) = 0 [pid 6301] exit_group(0 [pid 6306] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6305] <... futex resumed>) = ? [pid 6304] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] <... exit_group resumed>) = ? [pid 6305] +++ exited with 0 +++ [pid 6304] <... futex resumed>) = 1 [pid 6303] <... futex resumed>) = 1 [pid 6302] <... futex resumed>) = 1 [pid 6301] +++ exited with 0 +++ [pid 6300] <... futex resumed>) = 0 [pid 6299] <... futex resumed>) = 0 [pid 6298] <... futex resumed>) = 0 [pid 6304] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6303] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6302] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6306] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6300] exit_group(0 [pid 6299] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] exit_group(0 [pid 6306] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6304] <... futex resumed>) = 0 [pid 6303] <... futex resumed>) = ? [pid 6302] <... futex resumed>) = ? [pid 6300] <... exit_group resumed>) = ? [pid 6299] <... futex resumed>) = 1 [pid 6298] <... exit_group resumed>) = ? [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6307 attached [pid 6304] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6303] +++ exited with 0 +++ [pid 6302] +++ exited with 0 +++ [pid 6300] +++ exited with 0 +++ [pid 6299] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6298] +++ exited with 0 +++ [pid 6307] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6306] <... clone3 resumed> => {parent_tid=[6307]}, 88) = 6307 [pid 6304] <... ioctl resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6300, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6307] <... rseq resumed>) = 0 [pid 6306] rt_sigprocmask(SIG_SETMASK, [], [pid 6304] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6308 attached [pid 6307] set_robust_list(0x7ff12c97c9a0, 24 [pid 6306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6304] <... futex resumed>) = 1 [pid 6299] <... futex resumed>) = 0 [pid 6307] <... set_robust_list resumed>) = 0 [pid 6306] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6299] exit_group(0 [pid 6308] set_robust_list(0x555581d606a0, 24 [pid 6307] rt_sigprocmask(SIG_SETMASK, [], [pid 6306] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6308 [pid 6308] <... set_robust_list resumed>) = 0 [pid 6307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6306] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6304] <... futex resumed>) = ? [pid 6299] <... exit_group resumed>) = ? [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6307] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6310 attached ./strace-static-x86_64: Process 6309 attached [pid 6308] <... prctl resumed>) = 0 [pid 6307] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] +++ exited with 0 +++ [pid 6299] +++ exited with 0 +++ [pid 6310] set_robust_list(0x555581d606a0, 24 [pid 6309] set_robust_list(0x555581d606a0, 24 [pid 6308] setpgid(0, 0 [pid 6307] <... futex resumed>) = 1 [pid 6306] <... futex resumed>) = 0 [pid 6310] <... set_robust_list resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6309 [pid 6308] <... setpgid resumed>) = 0 [pid 6306] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6306] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6299, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6310] <... prctl resumed>) = 0 [pid 6310] setpgid(0, 0 [pid 6309] <... set_robust_list resumed>) = 0 [pid 6307] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 6310] <... setpgid resumed>) = 0 [pid 6309] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6308] <... openat resumed>) = 3 [pid 6307] <... ioctl resumed>) = 0 [pid 5066] <... restart_syscall resumed>) = 0 [pid 6310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6309] <... prctl resumed>) = 0 [pid 6308] write(3, "1000", 4 [pid 6307] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6310 [pid 6307] <... futex resumed>) = 1 [pid 6306] <... futex resumed>) = 0 [pid 6307] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6306] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6309] setpgid(0, 0 [pid 6308] <... write resumed>) = 4 [pid 6307] <... ioctl resumed>) = 0 [pid 6306] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6311 attached [pid 6310] <... openat resumed>) = 3 [pid 6309] <... setpgid resumed>) = 0 [pid 6308] close(3 [pid 6307] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6307] <... futex resumed>) = 0 [pid 6306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6308] <... close resumed>) = 0 [pid 6306] exit_group(0) = ? [pid 6311] set_robust_list(0x555581d606a0, 24 [pid 6308] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] write(3, "1000", 4 [pid 6308] <... futex resumed>) = 0 [pid 6311] <... set_robust_list resumed>) = 0 [pid 6311] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6308] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6311] <... prctl resumed>) = 0 [pid 6310] <... write resumed>) = 4 [pid 6309] <... openat resumed>) = 3 [pid 6308] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6311 [pid 6311] setpgid(0, 0 [pid 6310] close(3 [pid 6308] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6311] <... setpgid resumed>) = 0 [pid 6310] <... close resumed>) = 0 [pid 6308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6309] write(3, "1000", 4 [pid 6308] <... mmap resumed>) = 0x7ff12c95c000 [pid 6310] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6309] <... write resumed>) = 4 [pid 6307] +++ exited with 0 +++ [pid 6306] +++ exited with 0 +++ [pid 6311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6310] <... futex resumed>) = 0 [pid 6309] close(3 [pid 6308] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6309] <... close resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6310] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6309] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] <... mprotect resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6311] <... openat resumed>) = 3 [pid 6310] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6309] <... futex resumed>) = 0 [pid 6308] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6311] write(3, "1000", 4 [pid 6310] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6309] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6311] <... write resumed>) = 4 [pid 6310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6309] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6308] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6311] close(3 [pid 6310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6311] <... close resumed>) = 0 [pid 6309] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6310] <... mmap resumed>) = 0x7ff12c95c000 [pid 6311] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 6309] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6313 attached ) = 0 [pid 6313] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6311] <... futex resumed>) = 0 [pid 6310] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6309] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6308] <... clone3 resumed> => {parent_tid=[6313]}, 88) = 6313 [pid 6313] <... rseq resumed>) = 0 [pid 6313] set_robust_list(0x7ff12c97c9a0, 24 [pid 6311] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6310] <... mprotect resumed>) = 0 [pid 6308] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6312 attached [pid 6313] <... set_robust_list resumed>) = 0 [pid 6311] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6309] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6312] set_robust_list(0x555581d606a0, 24 [pid 6313] rt_sigprocmask(SIG_SETMASK, [], [pid 6311] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6310] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6308] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6314 attached [pid 6312] <... set_robust_list resumed>) = 0 [pid 6313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6310] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6308] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6312 [pid 6314] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6312] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6313] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6310] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6309] <... clone3 resumed> => {parent_tid=[6314]}, 88) = 6314 [pid 6308] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6314] <... rseq resumed>) = 0 [pid 6312] <... prctl resumed>) = 0 [pid 6313] <... openat resumed>) = 3 [pid 6311] <... mmap resumed>) = 0x7ff12c95c000 [pid 6314] set_robust_list(0x7ff12c97c9a0, 24 [pid 6309] rt_sigprocmask(SIG_SETMASK, [], [pid 6312] setpgid(0, 0./strace-static-x86_64: Process 6315 attached [pid 6314] <... set_robust_list resumed>) = 0 [pid 6311] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6312] <... setpgid resumed>) = 0 [pid 6309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6315] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6314] rt_sigprocmask(SIG_SETMASK, [], [pid 6312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6313] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... mprotect resumed>) = 0 [pid 6310] <... clone3 resumed> => {parent_tid=[6315]}, 88) = 6315 [pid 6309] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6315] <... rseq resumed>) = 0 [pid 6314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6313] <... futex resumed>) = 1 [pid 6309] <... futex resumed>) = 0 [pid 6308] <... futex resumed>) = 0 [pid 6315] set_robust_list(0x7ff12c97c9a0, 24 [pid 6314] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6312] <... openat resumed>) = 3 [pid 6313] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6310] rt_sigprocmask(SIG_SETMASK, [], [pid 6309] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6308] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6315] <... set_robust_list resumed>) = 0 [pid 6314] <... openat resumed>) = 3 [pid 6312] write(3, "1000", 4 [pid 6313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6311] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6308] <... futex resumed>) = 0 [pid 6315] rt_sigprocmask(SIG_SETMASK, [], [pid 6314] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] <... write resumed>) = 4 [pid 6313] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6311] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6310] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6316 attached [pid 6315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6314] <... futex resumed>) = 1 [pid 6312] close(3 [pid 6313] <... ioctl resumed>) = 0 [pid 6310] <... futex resumed>) = 0 [pid 6309] <... futex resumed>) = 0 [pid 6316] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6315] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6314] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6312] <... close resumed>) = 0 [pid 6313] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... clone3 resumed> => {parent_tid=[6316]}, 88) = 6316 [pid 6310] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6309] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... rseq resumed>) = 0 [pid 6315] <... openat resumed>) = 3 [pid 6314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6312] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] <... futex resumed>) = 1 [pid 6308] <... futex resumed>) = 0 [pid 6309] <... futex resumed>) = 0 [pid 6316] set_robust_list(0x7ff12c97c9a0, 24 [pid 6315] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6312] <... futex resumed>) = 0 [pid 6313] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] rt_sigprocmask(SIG_SETMASK, [], [pid 6309] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6308] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... set_robust_list resumed>) = 0 [pid 6315] <... futex resumed>) = 1 [pid 6314] <... ioctl resumed>) = 0 [pid 6312] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6310] <... futex resumed>) = 0 [pid 6308] <... futex resumed>) = 0 [pid 6316] rt_sigprocmask(SIG_SETMASK, [], [pid 6315] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6314] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6313] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6311] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6314] <... futex resumed>) = 1 [pid 6312] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6313] <... ioctl resumed>) = 0 [pid 6311] <... futex resumed>) = 0 [pid 6310] <... futex resumed>) = 0 [pid 6309] <... futex resumed>) = 0 [pid 6316] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6315] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6314] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6313] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6309] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... openat resumed>) = 3 [pid 6315] <... ioctl resumed>) = 0 [pid 6314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6313] <... futex resumed>) = 1 [pid 6309] <... futex resumed>) = 0 [pid 6308] <... futex resumed>) = 0 [pid 6308] exit_group(0) = ? [pid 6314] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6312] <... mmap resumed>) = 0x7ff12c95c000 [pid 6309] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6316] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] <... ioctl resumed>) = 0 [pid 6316] <... futex resumed>) = 1 [pid 6311] <... futex resumed>) = 0 [pid 6316] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6311] <... futex resumed>) = 0 [pid 6316] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6311] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6316] <... ioctl resumed>) = 0 [pid 6316] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6316] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] <... futex resumed>) = 0 [pid 6311] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... futex resumed>) = 0 [pid 6311] <... futex resumed>) = 1 [pid 6316] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6311] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6316] <... ioctl resumed>) = 0 [pid 6316] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... futex resumed>) = 0 [pid 6316] <... futex resumed>) = 1 [pid 6315] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] +++ exited with 0 +++ [pid 6311] exit_group(0 [pid 6308] +++ exited with 0 +++ [pid 6311] <... exit_group resumed>) = ? [pid 6316] +++ exited with 0 +++ [pid 6315] <... futex resumed>) = 1 [pid 6314] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6311] +++ exited with 0 +++ [pid 6310] <... futex resumed>) = 0 [pid 6315] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6309] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6314] <... futex resumed>) = 1 [pid 6312] <... mprotect resumed>) = 0 [pid 6310] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6314] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6310] <... futex resumed>) = 0 [pid 6309] exit_group(0 [pid 6312] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6315] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6314] <... futex resumed>) = ? [pid 6310] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6309] <... exit_group resumed>) = ? [pid 6315] <... ioctl resumed>) = 0 [pid 6314] +++ exited with 0 +++ [pid 6312] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6315] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6309] +++ exited with 0 +++ [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6315] <... futex resumed>) = 1 [pid 6310] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6319 attached ./strace-static-x86_64: Process 6318 attached ./strace-static-x86_64: Process 6317 attached [pid 6315] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6310] exit_group(0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6317 [pid 6319] set_robust_list(0x555581d606a0, 24 [pid 6318] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6317] set_robust_list(0x555581d606a0, 24 [pid 6315] <... futex resumed>) = ? [pid 6312] <... clone3 resumed> => {parent_tid=[6318]}, 88) = 6318 [pid 6310] <... exit_group resumed>) = ? [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6319 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6319] <... set_robust_list resumed>) = 0 [pid 6318] <... rseq resumed>) = 0 [pid 6317] <... set_robust_list resumed>) = 0 [pid 6315] +++ exited with 0 +++ [pid 6318] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6318] rt_sigprocmask(SIG_SETMASK, [], [pid 6312] rt_sigprocmask(SIG_SETMASK, [], [pid 6319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6318] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6317] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6312] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6320 attached [pid 6319] <... prctl resumed>) = 0 [pid 6318] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6317] <... prctl resumed>) = 0 [pid 6312] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] +++ exited with 0 +++ [pid 6319] setpgid(0, 0 [pid 6318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6317] setpgid(0, 0 [pid 6312] <... futex resumed>) = 0 [pid 6319] <... setpgid resumed>) = 0 [pid 6318] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6317] <... setpgid resumed>) = 0 [pid 6312] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6318] <... openat resumed>) = 3 [pid 6317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6320 [pid 6320] set_robust_list(0x555581d606a0, 24 [pid 6319] <... openat resumed>) = 3 [pid 6318] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6321 attached [pid 6320] <... set_robust_list resumed>) = 0 [pid 6318] <... futex resumed>) = 1 [pid 6312] <... futex resumed>) = 0 [pid 6312] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6319] write(3, "1000", 4 [pid 6321] set_robust_list(0x555581d606a0, 24 [pid 6319] <... write resumed>) = 4 [pid 6320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6312] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6317] write(3, "1000", 4 [pid 6321] <... set_robust_list resumed>) = 0 [pid 6319] close(3 [pid 6318] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6320] <... prctl resumed>) = 0 [pid 6319] <... close resumed>) = 0 [pid 6318] <... ioctl resumed>) = 0 [pid 6321] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6317] <... write resumed>) = 4 [pid 6319] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] setpgid(0, 0 [pid 6318] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... setpgid resumed>) = 0 [pid 6319] <... futex resumed>) = 0 [pid 6318] <... futex resumed>) = 1 [pid 6317] close(3 [pid 6312] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6321 [pid 6319] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6318] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6317] <... close resumed>) = 0 [pid 6312] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6321] <... prctl resumed>) = 0 [pid 6319] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6317] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] <... futex resumed>) = 0 [pid 6321] setpgid(0, 0 [pid 6319] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6318] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6312] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6318] <... ioctl resumed>) = 0 [pid 6318] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] <... setpgid resumed>) = 0 [pid 6320] <... openat resumed>) = 3 [pid 6319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6317] <... futex resumed>) = 0 [pid 6321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6320] write(3, "1000", 4 [pid 6319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6318] <... futex resumed>) = 1 [pid 6317] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6312] <... futex resumed>) = 0 [pid 6320] <... write resumed>) = 4 [pid 6319] <... mmap resumed>) = 0x7ff12c95c000 [pid 6318] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6317] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6312] exit_group(0 [pid 6321] <... openat resumed>) = 3 [pid 6320] close(3 [pid 6319] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6318] <... futex resumed>) = ? [pid 6317] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6312] <... exit_group resumed>) = ? [pid 6321] write(3, "1000", 4 [pid 6320] <... close resumed>) = 0 [pid 6319] <... mprotect resumed>) = 0 [pid 6318] +++ exited with 0 +++ [pid 6317] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6321] <... write resumed>) = 4 [pid 6317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 6317] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6320] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6312] +++ exited with 0 +++ [pid 6321] close(3 [pid 6320] <... futex resumed>) = 0 [pid 6319] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6321] <... close resumed>) = 0 [pid 6320] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6317] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6319] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6321] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6317] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6321] <... futex resumed>) = 0 [pid 6319] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 6322 attached [pid 6321] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6320] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5072] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6323 attached [pid 6322] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6321] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6317] <... clone3 resumed> => {parent_tid=[6322]}, 88) = 6322 [pid 5072] <... restart_syscall resumed>) = 0 [pid 6323] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6322] <... rseq resumed>) = 0 [pid 6321] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6319] <... clone3 resumed> => {parent_tid=[6323]}, 88) = 6323 [pid 6322] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 6322] rt_sigprocmask(SIG_SETMASK, [], [pid 6323] <... rseq resumed>) = 0 [pid 6321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6320] <... mmap resumed>) = 0x7ff12c95c000 [pid 6319] rt_sigprocmask(SIG_SETMASK, [], [pid 6317] rt_sigprocmask(SIG_SETMASK, [], [pid 6323] set_robust_list(0x7ff12c97c9a0, 24 [pid 6322] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6320] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6317] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6323] <... set_robust_list resumed>) = 0 [pid 6322] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6321] <... mmap resumed>) = 0x7ff12c95c000 [pid 6320] <... mprotect resumed>) = 0 [pid 6317] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] rt_sigprocmask(SIG_SETMASK, [], [pid 6322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6321] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6320] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6317] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6322] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6321] <... mprotect resumed>) = 0 [pid 6317] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6324 attached [pid 6323] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6322] <... openat resumed>) = 3 [pid 6321] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6320] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6319] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6319] <... futex resumed>) = 0 [pid 6324] set_robust_list(0x555581d606a0, 24 [pid 6323] <... openat resumed>) = 3 [pid 6322] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6319] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6325 attached [pid 6324] <... set_robust_list resumed>) = 0 [pid 6321] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6325] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6322] <... futex resumed>) = 1 [pid 6320] <... clone3 resumed> => {parent_tid=[6325]}, 88) = 6325 [pid 6317] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6326 attached [pid 6325] <... rseq resumed>) = 0 [pid 6324] <... prctl resumed>) = 0 [pid 6323] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6320] rt_sigprocmask(SIG_SETMASK, [], [pid 6317] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6325] set_robust_list(0x7ff12c97c9a0, 24 [pid 6324] setpgid(0, 0 [pid 6323] <... futex resumed>) = 1 [pid 6322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6321] <... clone3 resumed> => {parent_tid=[6326]}, 88) = 6326 [pid 6320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6319] <... futex resumed>) = 0 [pid 6317] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6324 [pid 6326] <... rseq resumed>) = 0 [pid 6325] <... set_robust_list resumed>) = 0 [pid 6324] <... setpgid resumed>) = 0 [pid 6323] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6322] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6321] rt_sigprocmask(SIG_SETMASK, [], [pid 6320] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6326] set_robust_list(0x7ff12c97c9a0, 24 [pid 6325] rt_sigprocmask(SIG_SETMASK, [], [pid 6324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6322] <... ioctl resumed>) = 0 [pid 6321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6320] <... futex resumed>) = 0 [pid 6319] <... futex resumed>) = 0 [pid 6326] <... set_robust_list resumed>) = 0 [pid 6325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6323] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6322] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6325] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6324] <... openat resumed>) = 3 [pid 6323] <... ioctl resumed>) = 0 [pid 6322] <... futex resumed>) = 1 [pid 6321] <... futex resumed>) = 0 [pid 6319] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6317] <... futex resumed>) = 0 [pid 6326] rt_sigprocmask(SIG_SETMASK, [], [pid 6325] <... openat resumed>) = 3 [pid 6323] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6321] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6317] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6325] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] write(3, "1000", 4 [pid 6323] <... futex resumed>) = 0 [pid 6322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6317] <... futex resumed>) = 0 [pid 6326] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6325] <... futex resumed>) = 1 [pid 6324] <... write resumed>) = 4 [pid 6323] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6322] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6320] <... futex resumed>) = 0 [pid 6319] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6326] <... openat resumed>) = 3 [pid 6325] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6324] close(3 [pid 6323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6322] <... ioctl resumed>) = 0 [pid 6320] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] <... futex resumed>) = 0 [pid 6323] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6322] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... futex resumed>) = 0 [pid 6323] <... ioctl resumed>) = 0 [pid 6322] <... futex resumed>) = 1 [pid 6320] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6317] <... futex resumed>) = 0 [pid 6323] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6317] exit_group(0 [pid 6323] <... futex resumed>) = 0 [pid 6322] <... futex resumed>) = ? [pid 6317] <... exit_group resumed>) = ? [pid 6326] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6324] <... close resumed>) = 0 [pid 6323] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6322] +++ exited with 0 +++ [pid 6319] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6317] +++ exited with 0 +++ [pid 6326] <... futex resumed>) = 1 [pid 6325] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6324] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] <... futex resumed>) = 0 [pid 6319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6321] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] exit_group(0 [pid 6325] <... ioctl resumed>) = 0 [pid 6324] <... futex resumed>) = 0 [pid 6321] <... futex resumed>) = 0 [pid 6319] <... exit_group resumed>) = ? [pid 6326] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6325] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6323] <... futex resumed>) = ? [pid 6321] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6326] <... ioctl resumed>) = 0 [pid 6325] <... futex resumed>) = 1 [pid 6324] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6323] +++ exited with 0 +++ [pid 6320] <... futex resumed>) = 0 [pid 6319] +++ exited with 0 +++ [pid 6320] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6320] <... futex resumed>) = 0 [pid 6320] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6326] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6324] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6327 attached [pid 6325] <... ioctl resumed>) = 0 [pid 6327] set_robust_list(0x555581d606a0, 24 [pid 6326] <... futex resumed>) = 1 [pid 6324] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6325] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] <... set_robust_list resumed>) = 0 [pid 6325] <... futex resumed>) = 1 [pid 6326] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6321] <... futex resumed>) = 0 [pid 6320] <... futex resumed>) = 0 [pid 6327] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6325] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6324] <... mmap resumed>) = 0x7ff12c95c000 [pid 6321] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] exit_group(0 [pid 6327] <... prctl resumed>) = 0 [pid 6326] <... futex resumed>) = 0 [pid 6325] <... futex resumed>) = ? [pid 6324] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6321] <... futex resumed>) = 1 [pid 6320] <... exit_group resumed>) = ? [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6327 ./strace-static-x86_64: Process 6328 attached [pid 6327] setpgid(0, 0 [pid 6326] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6325] +++ exited with 0 +++ [pid 6324] <... mprotect resumed>) = 0 [pid 6321] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6320] +++ exited with 0 +++ [pid 6328] set_robust_list(0x555581d606a0, 24 [pid 6327] <... setpgid resumed>) = 0 [pid 6326] <... ioctl resumed>) = 0 [pid 6326] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6328] <... set_robust_list resumed>) = 0 [pid 6327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6326] <... futex resumed>) = 1 [pid 6324] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6321] <... futex resumed>) = 0 [pid 6328] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6326] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6324] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6321] exit_group(0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6328 ./strace-static-x86_64: Process 6329 attached [pid 6326] <... futex resumed>) = ? [pid 6321] <... exit_group resumed>) = ? [pid 6329] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6328] <... prctl resumed>) = 0 [pid 6327] <... openat resumed>) = 3 [pid 6326] +++ exited with 0 +++ [pid 6324] <... clone3 resumed> => {parent_tid=[6329]}, 88) = 6329 [pid 6321] +++ exited with 0 +++ [pid 6329] <... rseq resumed>) = 0 [pid 6328] setpgid(0, 0 [pid 6324] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6329] set_robust_list(0x7ff12c97c9a0, 24 [pid 6328] <... setpgid resumed>) = 0 [pid 6327] write(3, "1000", 4 [pid 6324] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6321, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6324] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 6329] <... set_robust_list resumed>) = 0 [pid 6327] <... write resumed>) = 4 [pid 6324] <... futex resumed>) = 0 [pid 6329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6329] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY./strace-static-x86_64: Process 6330 attached ) = 3 [pid 5068] <... restart_syscall resumed>) = 0 [pid 6330] set_robust_list(0x555581d606a0, 24 [pid 6329] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6329] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6330] <... set_robust_list resumed>) = 0 [pid 6330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6330 ./strace-static-x86_64: Process 6331 attached [pid 6330] <... prctl resumed>) = 0 [pid 6328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6327] close(3 [pid 6324] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6331] set_robust_list(0x555581d606a0, 24) = 0 [pid 6330] setpgid(0, 0 [pid 6328] <... openat resumed>) = 3 [pid 6327] <... close resumed>) = 0 [pid 6324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6331 [pid 6331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6330] <... setpgid resumed>) = 0 [pid 6328] write(3, "1000", 4 [pid 6327] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] <... prctl resumed>) = 0 [pid 6330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6329] <... futex resumed>) = 0 [pid 6328] <... write resumed>) = 4 [pid 6327] <... futex resumed>) = 0 [pid 6324] <... futex resumed>) = 1 [pid 6331] setpgid(0, 0 [pid 6330] <... openat resumed>) = 3 [pid 6329] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6328] close(3 [pid 6327] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6324] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6331] <... setpgid resumed>) = 0 [pid 6330] write(3, "1000", 4 [pid 6329] <... ioctl resumed>) = 0 [pid 6328] <... close resumed>) = 0 [pid 6327] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6330] <... write resumed>) = 4 [pid 6329] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6330] close(3 [pid 6329] <... futex resumed>) = 1 [pid 6327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6331] <... openat resumed>) = 3 [pid 6330] <... close resumed>) = 0 [pid 6329] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6328] <... futex resumed>) = 0 [pid 6327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6324] <... futex resumed>) = 0 [pid 6331] write(3, "1000", 4 [pid 6330] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6327] <... mmap resumed>) = 0x7ff12c95c000 [pid 6324] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] <... write resumed>) = 4 [pid 6330] <... futex resumed>) = 0 [pid 6329] <... futex resumed>) = 0 [pid 6328] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6327] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6324] <... futex resumed>) = 1 [pid 6331] close(3 [pid 6330] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6329] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6328] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6327] <... mprotect resumed>) = 0 [pid 6324] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6331] <... close resumed>) = 0 [pid 6330] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6329] <... ioctl resumed>) = 0 [pid 6328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6327] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6331] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6331] <... futex resumed>) = 0 [pid 6329] <... futex resumed>) = 1 [pid 6324] <... futex resumed>) = 0 [pid 6331] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6330] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6329] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6328] <... mmap resumed>) = 0x7ff12c95c000 [pid 6327] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6324] exit_group(0 [pid 6331] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6329] <... futex resumed>) = ? [pid 6328] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6324] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6332 attached [pid 6331] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6329] +++ exited with 0 +++ [pid 6328] <... mprotect resumed>) = 0 [pid 6330] <... mmap resumed>) = 0x7ff12c95c000 [pid 6330] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6327] <... clone3 resumed> => {parent_tid=[6332]}, 88) = 6332 [pid 6332] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6331] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6327] rt_sigprocmask(SIG_SETMASK, [], [pid 6324] +++ exited with 0 +++ [pid 6328] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6332] <... rseq resumed>) = 0 [pid 6331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6330] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6328] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6332] set_robust_list(0x7ff12c97c9a0, 24 [pid 6331] <... mmap resumed>) = 0x7ff12c95c000 [pid 6330] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6327] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6333 attached [pid 6332] <... set_robust_list resumed>) = 0 [pid 6331] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6330] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6327] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6334 attached [pid 6333] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6332] rt_sigprocmask(SIG_SETMASK, [], [pid 6331] <... mprotect resumed>) = 0 [pid 6328] <... clone3 resumed> => {parent_tid=[6333]}, 88) = 6333 [pid 6327] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6334] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6333] <... rseq resumed>) = 0 [pid 6332] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6331] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6328] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6335 attached [pid 6334] <... rseq resumed>) = 0 [pid 6333] set_robust_list(0x7ff12c97c9a0, 24 [pid 6332] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6331] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6330] <... clone3 resumed> => {parent_tid=[6334]}, 88) = 6334 [pid 6328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6334] set_robust_list(0x7ff12c97c9a0, 24 [pid 6333] <... set_robust_list resumed>) = 0 [pid 6332] <... openat resumed>) = 3 [pid 6331] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6330] rt_sigprocmask(SIG_SETMASK, [], [pid 6333] rt_sigprocmask(SIG_SETMASK, [], [pid 6335] set_robust_list(0x555581d606a0, 24 [pid 6334] <... set_robust_list resumed>) = 0 [pid 6335] <... set_robust_list resumed>) = 0 [pid 6333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6328] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6336 attached [pid 6335] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6333] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6332] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6328] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6335 [pid 6336] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6335] <... prctl resumed>) = 0 [pid 6334] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6333] <... openat resumed>) = 3 [pid 6332] <... futex resumed>) = 1 [pid 6331] <... clone3 resumed> => {parent_tid=[6336]}, 88) = 6336 [pid 6330] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6327] <... futex resumed>) = 0 [pid 6336] <... rseq resumed>) = 0 [pid 6335] setpgid(0, 0 [pid 6334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6333] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6331] rt_sigprocmask(SIG_SETMASK, [], [pid 6330] <... futex resumed>) = 0 [pid 6328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6327] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] set_robust_list(0x7ff12c97c9a0, 24 [pid 6335] <... setpgid resumed>) = 0 [pid 6334] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6333] <... futex resumed>) = 0 [pid 6332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6331] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6330] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6327] <... futex resumed>) = 0 [pid 6336] <... set_robust_list resumed>) = 0 [pid 6334] <... openat resumed>) = 3 [pid 6333] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6332] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6331] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6336] rt_sigprocmask(SIG_SETMASK, [], [pid 6334] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] <... ioctl resumed>) = 0 [pid 6332] <... ioctl resumed>) = 0 [pid 6331] <... futex resumed>) = 0 [pid 6328] <... futex resumed>) = 0 [pid 6336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6335] <... openat resumed>) = 3 [pid 6334] <... futex resumed>) = 1 [pid 6333] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6330] <... futex resumed>) = 0 [pid 6328] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6336] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6335] write(3, "1000", 4 [pid 6334] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6333] <... futex resumed>) = 0 [pid 6332] <... futex resumed>) = 1 [pid 6330] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6327] <... futex resumed>) = 0 [pid 6336] <... openat resumed>) = 3 [pid 6335] <... write resumed>) = 4 [pid 6334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6333] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6332] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6330] <... futex resumed>) = 0 [pid 6328] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] close(3 [pid 6334] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6330] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6328] <... futex resumed>) = 0 [pid 6327] <... futex resumed>) = 0 [pid 6336] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] <... close resumed>) = 0 [pid 6334] <... ioctl resumed>) = 0 [pid 6333] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6332] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6328] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6336] <... futex resumed>) = 1 [pid 6335] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] <... ioctl resumed>) = 0 [pid 6332] <... ioctl resumed>) = 0 [pid 6331] <... futex resumed>) = 0 [pid 6327] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6336] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6335] <... futex resumed>) = 0 [pid 6334] <... futex resumed>) = 1 [pid 6333] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] <... futex resumed>) = 0 [pid 6336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6335] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6334] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6333] <... futex resumed>) = 1 [pid 6332] <... futex resumed>) = 0 [pid 6331] <... futex resumed>) = 0 [pid 6330] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] <... futex resumed>) = 0 [pid 6327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6336] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6335] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6333] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6332] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6331] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6330] <... futex resumed>) = 0 [pid 6328] exit_group(0 [pid 6327] exit_group(0 [pid 6336] <... ioctl resumed>) = 0 [pid 6335] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6334] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6330] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6327] <... exit_group resumed>) = ? [pid 6336] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] <... futex resumed>) = ? [pid 6336] <... futex resumed>) = 1 [pid 6335] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6334] <... ioctl resumed>) = 0 [pid 6333] <... futex resumed>) = ? [pid 6332] +++ exited with 0 +++ [pid 6331] <... futex resumed>) = 0 [pid 6328] <... exit_group resumed>) = ? [pid 6327] +++ exited with 0 +++ [pid 6336] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6334] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] +++ exited with 0 +++ [pid 6331] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6331] <... futex resumed>) = 0 [pid 6336] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6331] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6336] <... ioctl resumed>) = 0 [pid 6336] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6336] <... futex resumed>) = 1 [pid 6335] <... mmap resumed>) = 0x7ff12c95c000 [pid 6331] <... futex resumed>) = 0 [pid 6328] +++ exited with 0 +++ [pid 6330] <... futex resumed>) = 0 [pid 6335] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6334] <... futex resumed>) = 1 [pid 6331] exit_group(0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6335] <... mprotect resumed>) = 0 [pid 6334] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6331] <... exit_group resumed>) = ? [pid 6330] exit_group(0./strace-static-x86_64: Process 6337 attached [pid 6336] +++ exited with 0 +++ [pid 6335] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6334] <... futex resumed>) = ? [pid 6331] +++ exited with 0 +++ [pid 6330] <... exit_group resumed>) = ? [pid 6337] set_robust_list(0x555581d606a0, 24 [pid 6335] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6334] +++ exited with 0 +++ [pid 6337] <... set_robust_list resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6337] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6335] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6337] <... prctl resumed>) = 0 [pid 6335] <... clone3 resumed> => {parent_tid=[6338]}, 88) = 6338 [pid 6330] +++ exited with 0 +++ ./strace-static-x86_64: Process 6339 attached ./strace-static-x86_64: Process 6338 attached [pid 6337] setpgid(0, 0 [pid 6335] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6339] set_robust_list(0x555581d606a0, 24 [pid 6337] <... setpgid resumed>) = 0 [pid 6335] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6338] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6337 [pid 6338] <... rseq resumed>) = 0 [pid 6338] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 6338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6338] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6340 attached [pid 6339] <... set_robust_list resumed>) = 0 [pid 6337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6335] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] set_robust_list(0x555581d606a0, 24 [pid 6339] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6338] <... futex resumed>) = 0 [pid 6335] <... futex resumed>) = 1 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6339 [pid 6340] <... set_robust_list resumed>) = 0 [pid 6339] <... prctl resumed>) = 0 [pid 6338] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6337] <... openat resumed>) = 3 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6340 [pid 6340] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6339] setpgid(0, 0 [pid 6338] <... openat resumed>) = 3 [pid 6337] write(3, "1000", 4 [pid 6335] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6340] <... prctl resumed>) = 0 [pid 6339] <... setpgid resumed>) = 0 [pid 6338] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... write resumed>) = 4 [pid 6340] setpgid(0, 0 [pid 6338] <... futex resumed>) = 1 [pid 6340] <... setpgid resumed>) = 0 [pid 6338] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6337] close(3 [pid 6335] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6341 attached [pid 6340] <... openat resumed>) = 3 [pid 6339] <... openat resumed>) = 3 [pid 6337] <... close resumed>) = 0 [pid 6335] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6341 [pid 6341] set_robust_list(0x555581d606a0, 24 [pid 6339] write(3, "1000", 4 [pid 6338] <... futex resumed>) = 0 [pid 6337] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] <... futex resumed>) = 1 [pid 6341] <... set_robust_list resumed>) = 0 [pid 6339] <... write resumed>) = 4 [pid 6338] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6337] <... futex resumed>) = 0 [pid 6335] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6340] write(3, "1000", 4 [pid 6339] close(3 [pid 6338] <... ioctl resumed>) = 0 [pid 6337] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6341] <... prctl resumed>) = 0 [pid 6340] <... write resumed>) = 4 [pid 6339] <... close resumed>) = 0 [pid 6337] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6338] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] close(3 [pid 6339] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] setpgid(0, 0 [pid 6340] <... close resumed>) = 0 [pid 6338] <... futex resumed>) = 1 [pid 6337] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6340] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6340] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 6340] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 6340] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6338] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6335] <... futex resumed>) = 0 [pid 6341] <... setpgid resumed>) = 0 [pid 6339] <... futex resumed>) = 0 [pid 6337] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6340] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6340] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6339] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6335] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6339] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6338] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6335] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6342 attached [pid 6337] <... mmap resumed>) = 0x7ff12c95c000 [pid 6342] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6340] <... clone3 resumed> => {parent_tid=[6342]}, 88) = 6342 [pid 6339] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6338] <... ioctl resumed>) = 0 [pid 6337] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6335] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6342] <... rseq resumed>) = 0 [pid 6340] rt_sigprocmask(SIG_SETMASK, [], [pid 6339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6338] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... mprotect resumed>) = 0 [pid 6335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6342] set_robust_list(0x7ff12c97c9a0, 24 [pid 6341] <... openat resumed>) = 3 [pid 6340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6338] <... futex resumed>) = 0 [pid 6335] exit_group(0 [pid 6342] <... set_robust_list resumed>) = 0 [pid 6341] write(3, "1000", 4 [pid 6340] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6341] <... write resumed>) = 4 [pid 6335] <... exit_group resumed>) = ? [pid 6337] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6341] close(3 [pid 6342] rt_sigprocmask(SIG_SETMASK, [], [pid 6341] <... close resumed>) = 0 [pid 6340] <... futex resumed>) = 0 [pid 6337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6341] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6339] <... mmap resumed>) = 0x7ff12c95c000 ./strace-static-x86_64: Process 6343 attached [pid 6342] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6341] <... futex resumed>) = 0 [pid 6343] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6342] <... openat resumed>) = 3 [pid 6341] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6339] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6337] <... clone3 resumed> => {parent_tid=[6343]}, 88) = 6343 [pid 6343] <... rseq resumed>) = 0 [pid 6341] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6337] rt_sigprocmask(SIG_SETMASK, [], [pid 6341] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6339] <... mprotect resumed>) = 0 [pid 6337] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6343] set_robust_list(0x7ff12c97c9a0, 24 [pid 6342] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6338] +++ exited with 0 +++ [pid 6337] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] +++ exited with 0 +++ [pid 6343] <... set_robust_list resumed>) = 0 [pid 6342] <... futex resumed>) = 1 [pid 6340] <... futex resumed>) = 0 [pid 6339] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6337] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6335, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6343] rt_sigprocmask(SIG_SETMASK, [], [pid 6342] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6341] <... mmap resumed>) = 0x7ff12c95c000 [pid 6340] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6337] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6340] <... futex resumed>) = 0 [pid 6343] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6341] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6340] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6339] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 6344 attached [pid 6343] <... openat resumed>) = 3 [pid 6342] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6341] <... mprotect resumed>) = 0 [pid 6344] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6342] <... ioctl resumed>) = 0 [pid 6344] <... rseq resumed>) = 0 [pid 6343] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6339] <... clone3 resumed> => {parent_tid=[6344]}, 88) = 6344 [pid 6344] set_robust_list(0x7ff12c97c9a0, 24 [pid 6343] <... futex resumed>) = 1 [pid 6342] <... futex resumed>) = 1 [pid 6341] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6340] <... futex resumed>) = 0 [pid 6339] rt_sigprocmask(SIG_SETMASK, [], [pid 6337] <... futex resumed>) = 0 [pid 6344] <... set_robust_list resumed>) = 0 [pid 6343] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6342] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6340] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6337] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6344] rt_sigprocmask(SIG_SETMASK, [], [pid 6343] <... ioctl resumed>) = 0 [pid 6342] <... ioctl resumed>) = 0 [pid 6340] <... futex resumed>) = 0 [pid 6339] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... futex resumed>) = 0 [pid 6343] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6343] <... futex resumed>) = 0 [pid 6342] <... futex resumed>) = 0 [pid 6340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6343] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6342] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6340] exit_group(0./strace-static-x86_64: Process 6345 attached [pid 6344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6342] <... futex resumed>) = ? [pid 6340] <... exit_group resumed>) = ? [pid 6339] <... futex resumed>) = 0 [pid 6337] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6346 attached [pid 6345] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6344] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6342] +++ exited with 0 +++ [pid 6341] <... clone3 resumed> => {parent_tid=[6345]}, 88) = 6345 [pid 6340] +++ exited with 0 +++ [pid 6339] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6346 [pid 6345] <... rseq resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6340, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6337] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... openat resumed>) = 3 [pid 6345] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 6344] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... futex resumed>) = 1 [pid 6346] set_robust_list(0x555581d606a0, 24 [pid 6345] rt_sigprocmask(SIG_SETMASK, [], [pid 6344] <... futex resumed>) = 0 [pid 6341] rt_sigprocmask(SIG_SETMASK, [], [pid 6339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6337] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6346] <... set_robust_list resumed>) = 0 [pid 6345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6344] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6343] <... futex resumed>) = 0 [pid 6341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6339] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6345] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6343] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6346] <... prctl resumed>) = 0 [pid 6344] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6343] <... ioctl resumed>) = 0 [pid 6341] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] <... futex resumed>) = 0 [pid 6346] setpgid(0, 0 [pid 6345] <... futex resumed>) = 0 [pid 6344] <... ioctl resumed>) = 0 [pid 6343] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... setpgid resumed>) = 0 [pid 6344] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6345] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6343] <... futex resumed>) = 1 [pid 6341] <... futex resumed>) = 1 [pid 6339] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6337] <... futex resumed>) = 0 [pid 6346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6344] <... futex resumed>) = 0 [pid 6343] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6341] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6337] exit_group(0 [pid 6344] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6343] <... futex resumed>) = ? [pid 6337] <... exit_group resumed>) = ? [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6346] <... openat resumed>) = 3 [pid 6345] <... openat resumed>) = 3 [pid 6343] +++ exited with 0 +++ [pid 6339] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6347 attached [pid 6346] write(3, "1000", 4 [pid 6345] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... futex resumed>) = 0 [pid 6339] <... futex resumed>) = 1 [pid 6337] +++ exited with 0 +++ [pid 6347] set_robust_list(0x555581d606a0, 24 [pid 6346] <... write resumed>) = 4 [pid 6345] <... futex resumed>) = 1 [pid 6344] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6341] <... futex resumed>) = 0 [pid 6339] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6347 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6337, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6347] <... set_robust_list resumed>) = 0 [pid 6346] close(3 [pid 6345] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6344] <... ioctl resumed>) = 0 [pid 6341] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... close resumed>) = 0 [pid 6345] <... ioctl resumed>) = 0 [pid 6344] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] <... futex resumed>) = 0 [pid 6347] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6346] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6345] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... futex resumed>) = 1 [pid 6341] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6339] <... futex resumed>) = 0 [pid 6347] <... prctl resumed>) = 0 [pid 6346] <... futex resumed>) = 0 [pid 6345] <... futex resumed>) = 0 [pid 6344] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6339] exit_group(0 [pid 6347] setpgid(0, 0 [pid 6346] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6345] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6344] <... futex resumed>) = ? [pid 6341] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] <... exit_group resumed>) = ? [pid 6347] <... setpgid resumed>) = 0 [pid 6346] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6341] <... futex resumed>) = 0 [pid 6341] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6348 attached [pid 6347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6346] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6345] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6348] set_robust_list(0x555581d606a0, 24 [pid 6346] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6345] <... ioctl resumed>) = 0 [pid 6344] +++ exited with 0 +++ [pid 6339] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6339, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6348] <... set_robust_list resumed>) = 0 [pid 6346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6345] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... mmap resumed>) = 0x7ff12c95c000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6349 attached [pid 6348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6347] <... openat resumed>) = 3 [pid 6346] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6345] <... futex resumed>) = 1 [pid 6341] <... futex resumed>) = 0 [pid 6348] <... prctl resumed>) = 0 [pid 6347] write(3, "1000", 4 [pid 6345] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6348] setpgid(0, 0 [pid 6341] exit_group(0 [pid 6347] <... write resumed>) = 4 [pid 6348] <... setpgid resumed>) = 0 [pid 6349] set_robust_list(0x555581d606a0, 24 [pid 6341] <... exit_group resumed>) = ? [pid 6345] <... futex resumed>) = ? [pid 6348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6347] close(3 [pid 6346] <... mprotect resumed>) = 0 [pid 6345] +++ exited with 0 +++ [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6348 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6349 [pid 6349] <... set_robust_list resumed>) = 0 [pid 6348] <... openat resumed>) = 3 [pid 6347] <... close resumed>) = 0 [pid 6346] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6341] +++ exited with 0 +++ [pid 6349] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6348] write(3, "1000", 4 [pid 6347] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6348] <... write resumed>) = 4 [pid 6347] <... futex resumed>) = 0 [pid 6346] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5065] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6350 attached [pid 6348] close(3 [pid 6347] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6350] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6349] <... prctl resumed>) = 0 [pid 6348] <... close resumed>) = 0 [pid 5065] <... restart_syscall resumed>) = 0 [pid 6350] <... rseq resumed>) = 0 [pid 6350] set_robust_list(0x7ff12c97c9a0, 24 [pid 6349] setpgid(0, 0 [pid 6348] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6350] <... set_robust_list resumed>) = 0 [pid 6349] <... setpgid resumed>) = 0 [pid 6348] <... futex resumed>) = 0 [pid 6347] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6346] <... clone3 resumed> => {parent_tid=[6350]}, 88) = 6350 [pid 6350] rt_sigprocmask(SIG_SETMASK, [], [pid 6349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6348] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6346] rt_sigprocmask(SIG_SETMASK, [], [pid 6350] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6349] <... openat resumed>) = 3 [pid 6348] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6346] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6350] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6348] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6347] <... mmap resumed>) = 0x7ff12c95c000 [pid 6346] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] write(3, "1000", 4) = 4 [pid 6349] close(3) = 0 [pid 6349] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6349] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 ./strace-static-x86_64: Process 6351 attached [pid 6350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6349] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6348] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6347] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6346] <... futex resumed>) = 0 [pid 6351] set_robust_list(0x555581d606a0, 24 [pid 6350] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6347] <... mprotect resumed>) = 0 [pid 6346] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6351 [pid 6351] <... set_robust_list resumed>) = 0 [pid 6349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6348] <... mmap resumed>) = 0x7ff12c95c000 [pid 6347] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6349] <... mmap resumed>) = 0x7ff12c95c000 [pid 6351] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6350] <... openat resumed>) = 3 [pid 6349] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6348] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6347] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6351] <... prctl resumed>) = 0 [pid 6350] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] <... mprotect resumed>) = 0 [pid 6348] <... mprotect resumed>) = 0 [pid 6347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 6352 attached [pid 6351] setpgid(0, 0 [pid 6350] <... futex resumed>) = 1 [pid 6349] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6346] <... futex resumed>) = 0 [pid 6352] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6351] <... setpgid resumed>) = 0 [pid 6350] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6349] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6348] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6347] <... clone3 resumed> => {parent_tid=[6352]}, 88) = 6352 [pid 6346] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... rseq resumed>) = 0 [pid 6350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6348] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6352] set_robust_list(0x7ff12c97c9a0, 24 [pid 6351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6350] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6347] rt_sigprocmask(SIG_SETMASK, [], [pid 6346] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6353 attached [pid 6352] <... set_robust_list resumed>) = 0 [pid 6348] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6353] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6352] rt_sigprocmask(SIG_SETMASK, [], [pid 6353] <... rseq resumed>) = 0 [pid 6352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6353] set_robust_list(0x7ff12c97c9a0, 24 [pid 6352] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6353] <... set_robust_list resumed>) = 0 [pid 6353] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6354 attached [pid 6351] <... openat resumed>) = 3 [pid 6350] <... ioctl resumed>) = 0 [pid 6349] <... clone3 resumed> => {parent_tid=[6353]}, 88) = 6353 [pid 6347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6346] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6347] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6351] write(3, "1000", 4 [pid 6350] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] rt_sigprocmask(SIG_SETMASK, [], [pid 6346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6354] <... rseq resumed>) = 0 [pid 6353] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6352] <... futex resumed>) = 0 [pid 6351] <... write resumed>) = 4 [pid 6350] <... futex resumed>) = 0 [pid 6349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6346] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] set_robust_list(0x7ff12c97c9a0, 24 [pid 6351] close(3 [pid 6350] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6349] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... futex resumed>) = 0 [pid 6354] <... set_robust_list resumed>) = 0 [pid 6353] <... futex resumed>) = 0 [pid 6351] <... close resumed>) = 0 [pid 6350] <... ioctl resumed>) = 0 [pid 6349] <... futex resumed>) = 1 [pid 6346] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6354] rt_sigprocmask(SIG_SETMASK, [], [pid 6353] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6351] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6353] <... openat resumed>) = 3 [pid 6351] <... futex resumed>) = 0 [pid 6350] <... futex resumed>) = 0 [pid 6346] exit_group(0 [pid 6354] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6346] <... exit_group resumed>) = ? [pid 6353] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6351] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6350] +++ exited with 0 +++ [pid 6348] <... clone3 resumed> => {parent_tid=[6354]}, 88) = 6354 [pid 6347] <... futex resumed>) = 1 [pid 6346] +++ exited with 0 +++ [pid 6353] <... futex resumed>) = 1 [pid 6351] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6349] <... futex resumed>) = 0 [pid 6353] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6349] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] <... ioctl resumed>) = 0 [pid 6351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6349] <... futex resumed>) = 0 [pid 6348] rt_sigprocmask(SIG_SETMASK, [], [pid 6347] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6346, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6353] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... openat resumed>) = 3 [pid 6351] <... mmap resumed>) = 0x7ff12c95c000 [pid 6349] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6348] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6352] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] <... futex resumed>) = 0 [pid 6352] <... futex resumed>) = 1 [pid 6351] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6348] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] <... futex resumed>) = 0 [pid 6352] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6349] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... futex resumed>) = 1 [pid 6347] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6349] <... futex resumed>) = 0 [pid 6348] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6347] <... futex resumed>) = 0 [pid 6352] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6349] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6347] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6354] <... futex resumed>) = 0 [pid 6353] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6352] <... ioctl resumed>) = 0 [pid 6351] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6355 attached [pid 6354] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6353] <... ioctl resumed>) = 0 [pid 6352] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6355] set_robust_list(0x555581d606a0, 24 [pid 6354] <... openat resumed>) = 3 [pid 6353] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... futex resumed>) = 1 [pid 6351] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6347] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6355 [pid 6355] <... set_robust_list resumed>) = 0 [pid 6354] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] <... futex resumed>) = 1 [pid 6352] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6349] <... futex resumed>) = 0 [pid 6347] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6354] <... futex resumed>) = 1 [pid 6353] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6348] <... futex resumed>) = 0 [pid 6355] <... prctl resumed>) = 0 [pid 6354] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6352] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6349] exit_group(0 [pid 6348] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6356 attached [pid 6355] setpgid(0, 0 [pid 6354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6353] <... futex resumed>) = ? [pid 6352] <... ioctl resumed>) = 0 [pid 6351] <... clone3 resumed> => {parent_tid=[6356]}, 88) = 6356 [pid 6349] <... exit_group resumed>) = ? [pid 6348] <... futex resumed>) = 0 [pid 6347] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6356] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6355] <... setpgid resumed>) = 0 [pid 6354] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6353] +++ exited with 0 +++ [pid 6352] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] rt_sigprocmask(SIG_SETMASK, [], [pid 6349] +++ exited with 0 +++ [pid 6348] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6356] <... rseq resumed>) = 0 [pid 6355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6354] <... ioctl resumed>) = 0 [pid 6352] <... futex resumed>) = 0 [pid 6351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6347] exit_group(0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6349, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6352] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] <... exit_group resumed>) = ? [pid 6356] set_robust_list(0x7ff12c97c9a0, 24 [pid 6354] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... set_robust_list resumed>) = 0 [pid 6355] <... openat resumed>) = 3 [pid 6354] <... futex resumed>) = 1 [pid 6356] rt_sigprocmask(SIG_SETMASK, [], [pid 6354] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6352] <... futex resumed>) = ? [pid 6351] <... futex resumed>) = 0 [pid 6348] <... futex resumed>) = 0 [pid 6355] write(3, "1000", 4 [pid 6356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6356] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3 [pid 6356] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] <... write resumed>) = 4 [pid 6352] +++ exited with 0 +++ [pid 6351] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6348] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] +++ exited with 0 +++ [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6356] <... futex resumed>) = 0 [pid 6355] close(3 [pid 6354] <... futex resumed>) = 0 [pid 6351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6348] <... futex resumed>) = 1 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6347, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6356] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6354] ioctl(3, SNDRV_TIMER_IOCTL_START, 0) = 0 [pid 6351] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... futex resumed>) = 0 [pid 6354] <... futex resumed>) = 0 [pid 6351] <... futex resumed>) = 1 [pid 6356] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6354] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6357 attached [pid 6356] <... ioctl resumed>) = 0 [pid 6355] <... close resumed>) = 0 [pid 6348] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6357 [pid 6356] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6357] set_robust_list(0x555581d606a0, 24 [pid 6356] <... futex resumed>) = 1 [pid 6355] <... futex resumed>) = 0 [pid 6351] <... futex resumed>) = 0 [pid 6348] exit_group(0 [pid 6357] <... set_robust_list resumed>) = 0 [pid 6356] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6355] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6354] <... futex resumed>) = ? [pid 6351] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... exit_group resumed>) = ? [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6356] <... ioctl resumed>) = 0 [pid 6351] <... futex resumed>) = 0 [pid 6356] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6356] <... futex resumed>) = 0 [pid 6351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6356] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] exit_group(0 [pid 6356] <... futex resumed>) = ? [pid 6351] <... exit_group resumed>) = ? [pid 6356] +++ exited with 0 +++ [pid 6354] +++ exited with 0 +++ [pid 6351] +++ exited with 0 +++ [pid 6348] +++ exited with 0 +++ [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6348, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6358 attached [pid 6357] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6355] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6359 attached [pid 6358] set_robust_list(0x555581d606a0, 24 [pid 6357] <... prctl resumed>) = 0 [pid 6355] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6358 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6351, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6359] set_robust_list(0x555581d606a0, 24) = 0 [pid 6357] setpgid(0, 0 [pid 6355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6359] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6358] <... set_robust_list resumed>) = 0 [pid 6357] <... setpgid resumed>) = 0 [pid 6355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6359] <... prctl resumed>) = 0 [pid 6359] setpgid(0, 0 [pid 6358] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6355] <... mmap resumed>) = 0x7ff12c95c000 [pid 6359] <... setpgid resumed>) = 0 [pid 6358] <... prctl resumed>) = 0 [pid 6355] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6358] setpgid(0, 0 [pid 6357] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6360 attached [pid 6359] <... openat resumed>) = 3 [pid 6358] <... setpgid resumed>) = 0 [pid 6357] write(3, "1000", 4 [pid 6355] <... mprotect resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6359 [pid 6360] set_robust_list(0x555581d606a0, 24 [pid 6359] write(3, "1000", 4 [pid 6360] <... set_robust_list resumed>) = 0 [pid 6359] <... write resumed>) = 4 [pid 6360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6359] close(3 [pid 6358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6355] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6360] <... prctl resumed>) = 0 [pid 6359] <... close resumed>) = 0 [pid 6358] <... openat resumed>) = 3 [pid 6357] <... write resumed>) = 4 [pid 6357] close(3 [pid 6355] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6360 [pid 6357] <... close resumed>) = 0 [pid 6355] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6357] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6361 attached ) = 0 [pid 6361] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6357] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6355] <... clone3 resumed> => {parent_tid=[6361]}, 88) = 6361 [pid 6361] <... rseq resumed>) = 0 [pid 6360] setpgid(0, 0 [pid 6359] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] write(3, "1000", 4 [pid 6357] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6355] rt_sigprocmask(SIG_SETMASK, [], [pid 6361] set_robust_list(0x7ff12c97c9a0, 24 [pid 6360] <... setpgid resumed>) = 0 [pid 6359] <... futex resumed>) = 0 [pid 6358] <... write resumed>) = 4 [pid 6357] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6361] <... set_robust_list resumed>) = 0 [pid 6360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6359] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6358] close(3 [pid 6357] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6355] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] rt_sigprocmask(SIG_SETMASK, [], [pid 6359] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6358] <... close resumed>) = 0 [pid 6357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6355] <... futex resumed>) = 0 [pid 6361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6359] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6358] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... mmap resumed>) = 0x7ff12c95c000 [pid 6355] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6360] <... openat resumed>) = 3 [pid 6359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6358] <... futex resumed>) = 0 [pid 6358] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6361] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6358] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6357] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6361] <... openat resumed>) = 3 [pid 6360] write(3, "1000", 4 [pid 6359] <... mmap resumed>) = 0x7ff12c95c000 [pid 6358] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6357] <... mprotect resumed>) = 0 [pid 6361] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] <... write resumed>) = 4 [pid 6359] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6357] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6361] <... futex resumed>) = 1 [pid 6360] close(3 [pid 6358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6355] <... futex resumed>) = 0 [pid 6359] <... mprotect resumed>) = 0 [pid 6361] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6360] <... close resumed>) = 0 [pid 6358] <... mmap resumed>) = 0x7ff12c95c000 [pid 6355] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] <... ioctl resumed>) = 0 [pid 6359] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6358] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6357] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6355] <... futex resumed>) = 0 [pid 6361] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6355] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6361] <... futex resumed>) = 0 [pid 6358] <... mprotect resumed>) = 0 [pid 6355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6360] <... futex resumed>) = 0 [pid 6359] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6360] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6360] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6363 attached ./strace-static-x86_64: Process 6362 attached [pid 6361] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6360] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6357] <... clone3 resumed> => {parent_tid=[6362]}, 88) = 6362 [pid 6355] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6362] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6361] <... ioctl resumed>) = 0 [pid 6360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6359] <... clone3 resumed> => {parent_tid=[6363]}, 88) = 6363 [pid 6358] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6357] rt_sigprocmask(SIG_SETMASK, [], [pid 6355] <... futex resumed>) = 0 [pid 6363] <... rseq resumed>) = 0 [pid 6362] <... rseq resumed>) = 0 [pid 6361] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6359] rt_sigprocmask(SIG_SETMASK, [], [pid 6358] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6357] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6355] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6363] set_robust_list(0x7ff12c97c9a0, 24 [pid 6362] set_robust_list(0x7ff12c97c9a0, 24 [pid 6361] <... futex resumed>) = 0 [pid 6360] <... mmap resumed>) = 0x7ff12c95c000 [pid 6359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6358] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6357] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6363] <... set_robust_list resumed>) = 0 [pid 6362] <... set_robust_list resumed>) = 0 [pid 6361] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6360] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6359] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... futex resumed>) = 0 [pid 6355] exit_group(0./strace-static-x86_64: Process 6364 attached [pid 6363] rt_sigprocmask(SIG_SETMASK, [], [pid 6362] rt_sigprocmask(SIG_SETMASK, [], [pid 6361] <... futex resumed>) = ? [pid 6360] <... mprotect resumed>) = 0 [pid 6359] <... futex resumed>) = 0 [pid 6357] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6355] <... exit_group resumed>) = ? [pid 6364] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6361] +++ exited with 0 +++ [pid 6360] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6359] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6358] <... clone3 resumed> => {parent_tid=[6364]}, 88) = 6364 [pid 6355] +++ exited with 0 +++ [pid 6364] <... rseq resumed>) = 0 [pid 6363] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6362] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6360] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6358] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6355, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6364] set_robust_list(0x7ff12c97c9a0, 24 [pid 6362] <... openat resumed>) = 3 [pid 6360] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6364] <... set_robust_list resumed>) = 0 [pid 6363] <... openat resumed>) = 3 [pid 6358] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] rt_sigprocmask(SIG_SETMASK, [], [pid 6362] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6357] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6365 attached [pid 6364] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6363] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] <... futex resumed>) = 1 [pid 6358] <... futex resumed>) = 0 [pid 6357] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6363] <... futex resumed>) = 1 [pid 6362] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6359] <... futex resumed>) = 0 [pid 6358] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6360] <... clone3 resumed> => {parent_tid=[6365]}, 88) = 6365 [pid 6357] <... futex resumed>) = 0 [pid 6363] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6360] rt_sigprocmask(SIG_SETMASK, [], [pid 6359] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] <... rseq resumed>) = 0 [pid 6364] <... openat resumed>) = 3 [pid 6363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6362] <... ioctl resumed>) = 0 [pid 6360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6359] <... futex resumed>) = 0 [pid 6357] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6365] set_robust_list(0x7ff12c97c9a0, 24 [pid 6364] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6362] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6365] <... set_robust_list resumed>) = 0 [pid 6364] <... futex resumed>) = 1 [pid 6363] <... ioctl resumed>) = 0 [pid 6362] <... futex resumed>) = 0 [pid 6360] <... futex resumed>) = 0 [pid 6358] <... futex resumed>) = 0 [pid 6357] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6366 attached [pid 6365] rt_sigprocmask(SIG_SETMASK, [], [pid 6364] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6363] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6360] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6358] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... futex resumed>) = 0 [pid 6366] set_robust_list(0x555581d606a0, 24 [pid 6365] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6363] <... futex resumed>) = 1 [pid 6362] <... ioctl resumed>) = 0 [pid 6359] <... futex resumed>) = 0 [pid 6358] <... futex resumed>) = 0 [pid 6357] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6366] <... set_robust_list resumed>) = 0 [pid 6363] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6359] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6359] <... futex resumed>) = 0 [pid 6363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6359] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6363] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6365] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6364] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6363] <... ioctl resumed>) = 0 [pid 6362] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] <... openat resumed>) = 3 [pid 6364] <... ioctl resumed>) = 0 [pid 6362] <... futex resumed>) = 1 [pid 6357] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6366 [pid 6364] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6357] exit_group(0 [pid 6366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6363] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6366] <... prctl resumed>) = 0 [pid 6365] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] <... futex resumed>) = 1 [pid 6362] <... futex resumed>) = ? [pid 6358] <... futex resumed>) = 0 [pid 6357] <... exit_group resumed>) = ? [pid 6366] setpgid(0, 0 [pid 6365] <... futex resumed>) = 1 [pid 6364] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6363] <... futex resumed>) = 1 [pid 6362] +++ exited with 0 +++ [pid 6360] <... futex resumed>) = 0 [pid 6359] <... futex resumed>) = 0 [pid 6358] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] +++ exited with 0 +++ [pid 6366] <... setpgid resumed>) = 0 [pid 6365] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6363] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6360] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] exit_group(0 [pid 6358] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6357, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6364] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 6366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6365] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6364] <... ioctl resumed>) = 0 [pid 6363] <... futex resumed>) = ? [pid 6360] <... futex resumed>) = 0 [pid 6359] <... exit_group resumed>) = ? [pid 6358] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... restart_syscall resumed>) = 0 [pid 6365] <... ioctl resumed>) = 0 [pid 6364] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] +++ exited with 0 +++ [pid 6360] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6364] <... futex resumed>) = 1 [pid 6358] <... futex resumed>) = 0 [pid 6365] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6358] exit_group(0 [pid 6365] <... futex resumed>) = 1 [pid 6364] <... futex resumed>) = ? [pid 6360] <... futex resumed>) = 0 [pid 6358] <... exit_group resumed>) = ? [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6365] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6364] +++ exited with 0 +++ [pid 6360] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6365] ioctl(3, SNDRV_TIMER_IOCTL_START, 0./strace-static-x86_64: Process 6367 attached ) = 0 [pid 6367] set_robust_list(0x555581d606a0, 24 [pid 6365] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] +++ exited with 0 +++ [pid 6365] <... futex resumed>) = 0 [pid 6367] <... set_robust_list resumed>) = 0 [pid 6365] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6366] <... openat resumed>) = 3 [pid 6365] <... futex resumed>) = 0 [pid 6360] <... futex resumed>) = 1 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6365] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6367 [pid 6367] setpgid(0, 0) = 0 [pid 6367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6358] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6358, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6360] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6366] write(3, "1000", 4 [pid 6360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6366] <... write resumed>) = 4 [pid 6367] <... openat resumed>) = 3 [pid 6366] close(3 [pid 6360] exit_group(0 [pid 6367] write(3, "1000", 4 [pid 6366] <... close resumed>) = 0 [pid 6365] <... futex resumed>) = ? [pid 6360] <... exit_group resumed>) = ? [pid 6367] <... write resumed>) = 4 [pid 6366] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] +++ exited with 0 +++ [pid 6367] close(3 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6367] <... close resumed>) = 0 [pid 6360] +++ exited with 0 +++ [pid 6367] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6366] <... futex resumed>) = 0 [pid 6366] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, ./strace-static-x86_64: Process 6368 attached [pid 6367] <... futex resumed>) = 0 [pid 6366] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6360, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6367] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6366] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6367] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6368] set_robust_list(0x555581d606a0, 24 [pid 6367] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6368] <... set_robust_list resumed>) = 0 [pid 6367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6368] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6369 attached ./strace-static-x86_64: Process 6370 attached [pid 6368] <... prctl resumed>) = 0 [pid 6367] <... mmap resumed>) = 0x7ff12c95c000 [pid 6366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6368 [pid 6370] set_robust_list(0x555581d606a0, 24 [pid 6369] set_robust_list(0x555581d606a0, 24 [pid 6368] setpgid(0, 0 [pid 6367] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6367] <... mprotect resumed>) = 0 [pid 6366] <... mmap resumed>) = 0x7ff12c95c000 [pid 6369] <... set_robust_list resumed>) = 0 [pid 6367] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6366] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6370] <... set_robust_list resumed>) = 0 [pid 6369] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6368] <... setpgid resumed>) = 0 [pid 6367] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6369 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6370 [pid 6370] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6369] <... prctl resumed>) = 0 [pid 6368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6367] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6366] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6371 attached [pid 6370] <... prctl resumed>) = 0 [pid 6369] setpgid(0, 0 [pid 6368] <... openat resumed>) = 3 [pid 6366] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6371] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6370] setpgid(0, 0 [pid 6369] <... setpgid resumed>) = 0 [pid 6366] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6371] <... rseq resumed>) = 0 [pid 6370] <... setpgid resumed>) = 0 [pid 6369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6367] <... clone3 resumed> => {parent_tid=[6371]}, 88) = 6371 [pid 6366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6371] set_robust_list(0x7ff12c97c9a0, 24 [pid 6370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6368] write(3, "1000", 4 [pid 6367] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6372 attached [pid 6371] <... set_robust_list resumed>) = 0 [pid 6370] <... openat resumed>) = 3 [pid 6369] <... openat resumed>) = 3 [pid 6368] <... write resumed>) = 4 [pid 6367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6371] rt_sigprocmask(SIG_SETMASK, [], [pid 6370] write(3, "1000", 4 [pid 6369] write(3, "1000", 4 [pid 6367] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6366] <... clone3 resumed> => {parent_tid=[6372]}, 88) = 6372 [pid 6372] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6370] <... write resumed>) = 4 [pid 6369] <... write resumed>) = 4 [pid 6368] close(3 [pid 6367] <... futex resumed>) = 0 [pid 6366] rt_sigprocmask(SIG_SETMASK, [], [pid 6371] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6370] close(3 [pid 6369] close(3 [pid 6367] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6370] <... close resumed>) = 0 [pid 6369] <... close resumed>) = 0 [pid 6366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6372] <... rseq resumed>) = 0 [pid 6371] <... openat resumed>) = 3 [pid 6370] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] <... close resumed>) = 0 [pid 6366] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] set_robust_list(0x7ff12c97c9a0, 24 [pid 6371] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] <... futex resumed>) = 0 [pid 6369] <... futex resumed>) = 0 [pid 6368] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6366] <... futex resumed>) = 0 [pid 6372] <... set_robust_list resumed>) = 0 [pid 6371] <... futex resumed>) = 1 [pid 6370] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6369] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6368] <... futex resumed>) = 0 [pid 6367] <... futex resumed>) = 0 [pid 6366] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6372] rt_sigprocmask(SIG_SETMASK, [], [pid 6371] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6370] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6369] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6368] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6367] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6368] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6367] <... futex resumed>) = 0 [pid 6371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6370] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6369] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6372] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6367] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6371] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6368] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6372] <... openat resumed>) = 3 [pid 6371] <... ioctl resumed>) = 0 [pid 6370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6371] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] <... mmap resumed>) = 0x7ff12c95c000 [pid 6369] <... mmap resumed>) = 0x7ff12c95c000 [pid 6372] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] <... futex resumed>) = 1 [pid 6370] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6369] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6367] <... futex resumed>) = 0 [pid 6372] <... futex resumed>) = 1 [pid 6366] <... futex resumed>) = 0 [pid 6372] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6371] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6370] <... mprotect resumed>) = 0 [pid 6369] <... mprotect resumed>) = 0 [pid 6368] <... mmap resumed>) = 0x7ff12c95c000 [pid 6367] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6366] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6370] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6369] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6368] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6367] <... futex resumed>) = 0 [pid 6366] <... futex resumed>) = 0 [pid 6372] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6371] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6370] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6369] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6368] <... mprotect resumed>) = 0 [pid 6367] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6366] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6372] <... ioctl resumed>) = 0 [pid 6371] <... ioctl resumed>) = 0 [pid 6370] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6369] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6368] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6372] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6372] <... futex resumed>) = 1 [pid 6368] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 6375 attached ./strace-static-x86_64: Process 6373 attached [pid 6372] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6371] <... futex resumed>) = 1 [pid 6370] <... clone3 resumed> => {parent_tid=[6373]}, 88) = 6373 [pid 6367] <... futex resumed>) = 0 [pid 6366] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6374 attached [pid 6375] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6373] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6367] exit_group(0 [pid 6373] <... rseq resumed>) = 0 [pid 6371] read(0, [pid 6366] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] rt_sigprocmask(SIG_SETMASK, [], [pid 6375] <... rseq resumed>) = 0 [pid 6374] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6371] <... read resumed> ) = ? [pid 6374] <... rseq resumed>) = 0 [pid 6375] set_robust_list(0x7ff12c97c9a0, 24 [pid 6373] set_robust_list(0x7ff12c97c9a0, 24 [pid 6372] <... futex resumed>) = 0 [pid 6371] +++ exited with 0 +++ [pid 6370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6369] <... clone3 resumed> => {parent_tid=[6375]}, 88) = 6375 [pid 6368] <... clone3 resumed> => {parent_tid=[6374]}, 88) = 6374 [pid 6367] <... exit_group resumed>) = ? [pid 6366] <... futex resumed>) = 1 [pid 6374] set_robust_list(0x7ff12c97c9a0, 24 [pid 6375] <... set_robust_list resumed>) = 0 [pid 6373] <... set_robust_list resumed>) = 0 [pid 6372] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6370] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] rt_sigprocmask(SIG_SETMASK, [], [pid 6368] rt_sigprocmask(SIG_SETMASK, [], [pid 6367] +++ exited with 0 +++ [pid 6366] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6374] <... set_robust_list resumed>) = 0 [pid 6375] rt_sigprocmask(SIG_SETMASK, [], [pid 6373] rt_sigprocmask(SIG_SETMASK, [], [pid 6372] <... ioctl resumed>) = 0 [pid 6370] <... futex resumed>) = 0 [pid 6369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6374] rt_sigprocmask(SIG_SETMASK, [], [pid 6375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6372] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6369] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6375] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6373] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6372] <... futex resumed>) = 1 [pid 6369] <... futex resumed>) = 0 [pid 6368] <... futex resumed>) = 0 [pid 6366] <... futex resumed>) = 0 [pid 6374] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6375] <... openat resumed>) = 3 [pid 6372] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6369] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6368] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6374] <... openat resumed>) = 3 [pid 6375] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... openat resumed>) = 3 [pid 6369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6366] exit_group(0 [pid 6375] <... futex resumed>) = 0 [pid 6373] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] <... futex resumed>) = ? [pid 6369] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6366] <... exit_group resumed>) = ? [pid 6374] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] +++ exited with 0 +++ [pid 6374] <... futex resumed>) = 1 [pid 6368] <... futex resumed>) = 0 [pid 6374] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6368] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6376 attached [pid 6374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6368] <... futex resumed>) = 0 [pid 6368] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6376 [pid 6374] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6376] set_robust_list(0x555581d606a0, 24 [pid 6374] <... ioctl resumed>) = 0 [pid 6375] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6373] <... futex resumed>) = 1 [pid 6369] <... futex resumed>) = 0 [pid 6370] <... futex resumed>) = 0 [pid 6369] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6375] <... ioctl resumed>) = 0 [pid 6370] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... futex resumed>) = 0 [pid 6370] <... futex resumed>) = 1 [pid 6369] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 1 [pid 6373] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6370] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6369] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6373] <... ioctl resumed>) = 0 [pid 6369] <... futex resumed>) = 0 [pid 6375] <... ioctl resumed>) = 0 [pid 6373] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6376] <... set_robust_list resumed>) = 0 [pid 6374] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... futex resumed>) = 1 [pid 6370] <... futex resumed>) = 0 [pid 6376] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6374] <... futex resumed>) = 1 [pid 6375] <... futex resumed>) = 1 [pid 6373] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6370] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] <... futex resumed>) = 0 [pid 6368] <... futex resumed>) = 0 [pid 6366] +++ exited with 0 +++ [pid 6376] <... prctl resumed>) = 0 [pid 6374] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6375] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6370] <... futex resumed>) = 0 [pid 6369] exit_group(0 [pid 6368] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6366, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6376] setpgid(0, 0 [pid 6374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6375] <... futex resumed>) = ? [pid 6373] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6370] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6369] <... exit_group resumed>) = ? [pid 6368] <... futex resumed>) = 0 [pid 6376] <... setpgid resumed>) = 0 [pid 6374] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6375] +++ exited with 0 +++ [pid 6373] <... ioctl resumed>) = 0 [pid 6368] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6374] <... ioctl resumed>) = 0 [pid 6373] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6373] <... futex resumed>) = 0 [pid 6370] exit_group(0 [pid 6374] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] <... exit_group resumed>) = ? [pid 6376] <... openat resumed>) = 3 [pid 6374] <... futex resumed>) = 1 [pid 6369] +++ exited with 0 +++ [pid 6368] <... futex resumed>) = 0 [pid 6374] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6368] exit_group(0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6369, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6368] <... exit_group resumed>) = ? [pid 6374] <... futex resumed>) = ? [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6377 attached [pid 6374] +++ exited with 0 +++ [pid 6373] +++ exited with 0 +++ [pid 6370] +++ exited with 0 +++ [pid 6368] +++ exited with 0 +++ [pid 6377] set_robust_list(0x555581d606a0, 24 [pid 6376] write(3, "1000", 4 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6368, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6377] <... set_robust_list resumed>) = 0 [pid 6376] <... write resumed>) = 4 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6370, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6376] close(3 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6377] <... prctl resumed>) = 0 [pid 6376] <... close resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6378 attached [pid 6377] setpgid(0, 0 [pid 6376] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6377 ./strace-static-x86_64: Process 6379 attached [pid 6378] set_robust_list(0x555581d606a0, 24 [pid 6377] <... setpgid resumed>) = 0 [pid 6376] <... futex resumed>) = 0 [pid 6379] set_robust_list(0x555581d606a0, 24 [pid 6378] <... set_robust_list resumed>) = 0 [pid 6376] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6379] <... set_robust_list resumed>) = 0 [pid 6378] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6376] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6378 [pid 6376] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 6379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6376] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6379 [pid 6377] <... openat resumed>) = 3 [pid 6376] <... mprotect resumed>) = 0 [pid 6376] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6380 attached [pid 6379] <... prctl resumed>) = 0 [pid 6378] <... prctl resumed>) = 0 [pid 6377] write(3, "1000", 4 [pid 6378] setpgid(0, 0 [pid 6376] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6380] set_robust_list(0x555581d606a0, 24 [pid 6379] setpgid(0, 0 [pid 6378] <... setpgid resumed>) = 0 [pid 6377] <... write resumed>) = 4 [pid 6376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6380 [pid 6377] close(3./strace-static-x86_64: Process 6381 attached [pid 6380] <... set_robust_list resumed>) = 0 [pid 6379] <... setpgid resumed>) = 0 [pid 6378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6377] <... close resumed>) = 0 [pid 6379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6377] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... clone3 resumed> => {parent_tid=[6381]}, 88) = 6381 [pid 6381] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6378] <... openat resumed>) = 3 [pid 6377] <... futex resumed>) = 0 [pid 6376] rt_sigprocmask(SIG_SETMASK, [], [pid 6381] <... rseq resumed>) = 0 [pid 6380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6379] <... openat resumed>) = 3 [pid 6378] write(3, "1000", 4 [pid 6377] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6381] set_robust_list(0x7ff12c97c9a0, 24 [pid 6380] <... prctl resumed>) = 0 [pid 6379] write(3, "1000", 4 [pid 6378] <... write resumed>) = 4 [pid 6377] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6376] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... set_robust_list resumed>) = 0 [pid 6380] setpgid(0, 0 [pid 6379] <... write resumed>) = 4 [pid 6378] close(3 [pid 6377] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6376] <... futex resumed>) = 0 [pid 6381] rt_sigprocmask(SIG_SETMASK, [], [pid 6380] <... setpgid resumed>) = 0 [pid 6379] close(3 [pid 6378] <... close resumed>) = 0 [pid 6377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6376] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6378] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6379] <... close resumed>) = 0 [pid 6378] <... futex resumed>) = 0 [pid 6377] <... mmap resumed>) = 0x7ff12c95c000 [pid 6379] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6381] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6379] <... futex resumed>) = 0 [pid 6378] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6377] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6380] <... openat resumed>) = 3 [pid 6379] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6378] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6377] <... mprotect resumed>) = 0 [pid 6381] <... openat resumed>) = 3 [pid 6380] write(3, "1000", 4 [pid 6379] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6381] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] <... write resumed>) = 4 [pid 6379] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6377] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6381] <... futex resumed>) = 1 [pid 6380] close(3 [pid 6379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6376] <... futex resumed>) = 0 [pid 6381] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6380] <... close resumed>) = 0 [pid 6379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6378] <... mmap resumed>) = 0x7ff12c95c000 [pid 6377] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6376] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6380] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] <... mmap resumed>) = 0x7ff12c95c000 [pid 6378] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6377] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6376] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6382 attached [pid 6381] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6380] <... futex resumed>) = 0 [pid 6379] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6376] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6382] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6381] <... ioctl resumed>) = 0 [pid 6380] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6379] <... mprotect resumed>) = 0 [pid 6378] <... mprotect resumed>) = 0 [pid 6377] <... clone3 resumed> => {parent_tid=[6382]}, 88) = 6382 [pid 6381] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6382] <... rseq resumed>) = 0 [pid 6379] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6382] set_robust_list(0x7ff12c97c9a0, 24 [pid 6378] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6382] <... set_robust_list resumed>) = 0 [pid 6381] <... futex resumed>) = 1 [pid 6380] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6379] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6377] rt_sigprocmask(SIG_SETMASK, [], [pid 6376] <... futex resumed>) = 0 [pid 6378] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6382] rt_sigprocmask(SIG_SETMASK, [], [pid 6381] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6378] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6376] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6383 attached [pid 6382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6376] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6384 attached [pid 6383] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6382] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6381] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6380] <... mmap resumed>) = 0x7ff12c95c000 [pid 6379] <... clone3 resumed> => {parent_tid=[6383]}, 88) = 6383 [pid 6378] <... clone3 resumed> => {parent_tid=[6384]}, 88) = 6384 [pid 6377] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6384] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6383] <... rseq resumed>) = 0 [pid 6382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6381] <... ioctl resumed>) = 0 [pid 6380] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6379] rt_sigprocmask(SIG_SETMASK, [], [pid 6378] rt_sigprocmask(SIG_SETMASK, [], [pid 6377] <... futex resumed>) = 0 [pid 6384] <... rseq resumed>) = 0 [pid 6383] set_robust_list(0x7ff12c97c9a0, 24 [pid 6382] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6381] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] <... mprotect resumed>) = 0 [pid 6379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6377] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6384] set_robust_list(0x7ff12c97c9a0, 24 [pid 6383] <... set_robust_list resumed>) = 0 [pid 6382] <... openat resumed>) = 3 [pid 6381] <... futex resumed>) = 1 [pid 6380] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6379] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... futex resumed>) = 0 [pid 6384] <... set_robust_list resumed>) = 0 [pid 6383] rt_sigprocmask(SIG_SETMASK, [], [pid 6382] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6380] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6379] <... futex resumed>) = 0 [pid 6378] <... futex resumed>) = 0 [pid 6376] exit_group(0 [pid 6384] rt_sigprocmask(SIG_SETMASK, [], [pid 6383] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6382] <... futex resumed>) = 1 [pid 6381] <... futex resumed>) = ? [pid 6380] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6379] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6378] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6377] <... futex resumed>) = 0 [pid 6376] <... exit_group resumed>) = ? [pid 6384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6383] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6381] +++ exited with 0 +++ [pid 6377] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6385 attached [pid 6384] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6383] <... openat resumed>) = 3 [pid 6382] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6377] <... futex resumed>) = 0 [pid 6376] +++ exited with 0 +++ [pid 6385] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6384] <... openat resumed>) = 3 [pid 6383] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] <... ioctl resumed>) = 0 [pid 6380] <... clone3 resumed> => {parent_tid=[6385]}, 88) = 6385 [pid 6377] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6385] <... rseq resumed>) = 0 [pid 6384] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] <... futex resumed>) = 1 [pid 6382] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] rt_sigprocmask(SIG_SETMASK, [], [pid 6379] <... futex resumed>) = 0 [pid 6377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6385] set_robust_list(0x7ff12c97c9a0, 24 [pid 6384] <... futex resumed>) = 1 [pid 6383] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6382] <... futex resumed>) = 0 [pid 6380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6379] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] <... futex resumed>) = 0 [pid 6377] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6376, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6385] <... set_robust_list resumed>) = 0 [pid 6384] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6382] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6380] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] <... futex resumed>) = 0 [pid 6378] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6385] rt_sigprocmask(SIG_SETMASK, [], [pid 6384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6383] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6382] <... ioctl resumed>) = 0 [pid 6380] <... futex resumed>) = 0 [pid 6379] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6378] <... futex resumed>) = 0 [pid 6377] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6384] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6380] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6378] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6386 attached [pid 6385] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6384] <... ioctl resumed>) = 0 [pid 6383] <... ioctl resumed>) = 0 [pid 6382] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6377] <... futex resumed>) = 0 [pid 6382] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6383] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6377] exit_group(0 [pid 6386] set_robust_list(0x555581d606a0, 24 [pid 6382] <... futex resumed>) = ? [pid 6379] <... futex resumed>) = 0 [pid 6383] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6377] <... exit_group resumed>) = ? [pid 6384] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] +++ exited with 0 +++ [pid 6385] <... openat resumed>) = 3 [pid 6386] <... set_robust_list resumed>) = 0 [pid 6384] <... futex resumed>) = 1 [pid 6379] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] <... futex resumed>) = 0 [pid 6385] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6385] <... futex resumed>) = 1 [pid 6384] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6383] <... futex resumed>) = 0 [pid 6380] <... futex resumed>) = 0 [pid 6379] <... futex resumed>) = 1 [pid 6378] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] +++ exited with 0 +++ [pid 6385] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6384] <... ioctl resumed>) = 0 [pid 6383] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6380] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6378] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6386 [pid 6378] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6377, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6383] <... ioctl resumed>) = 0 [pid 6380] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6385] <... ioctl resumed>) = 0 [pid 6383] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6384] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] <... prctl resumed>) = 0 [pid 6385] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] <... futex resumed>) = 1 [pid 6383] <... futex resumed>) = 1 [pid 6379] <... futex resumed>) = 0 [pid 6378] <... futex resumed>) = 0 [pid 6386] setpgid(0, 0 [pid 6384] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6383] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6380] <... futex resumed>) = 0 [pid 6386] <... setpgid resumed>) = 0 [pid 6379] exit_group(0 [pid 6385] <... futex resumed>) = 1 [pid 6380] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] exit_group(0 [pid 6383] <... futex resumed>) = ? [pid 6379] <... exit_group resumed>) = ? [pid 6380] <... futex resumed>) = 0 [pid 6378] <... exit_group resumed>) = ? [pid 6383] +++ exited with 0 +++ ./strace-static-x86_64: Process 6387 attached [pid 6380] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6387] set_robust_list(0x555581d606a0, 24 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6387 [pid 6387] <... set_robust_list resumed>) = 0 [pid 6387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6387] setpgid(0, 0 [pid 6386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6385] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6384] <... futex resumed>) = ? [pid 6387] <... setpgid resumed>) = 0 [pid 6387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6387] write(3, "1000", 4 [pid 6386] <... openat resumed>) = 3 [pid 6385] <... ioctl resumed>) = 0 [pid 6384] +++ exited with 0 +++ [pid 6379] +++ exited with 0 +++ [pid 6378] +++ exited with 0 +++ [pid 6387] <... write resumed>) = 4 [pid 6386] write(3, "1000", 4 [pid 6385] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6379, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6387] close(3 [pid 6386] <... write resumed>) = 4 [pid 6385] <... futex resumed>) = 1 [pid 6380] <... futex resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6378, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6387] <... close resumed>) = 0 [pid 6386] close(3 [pid 6385] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6380] exit_group(0 [pid 6387] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] <... close resumed>) = 0 [pid 6385] <... futex resumed>) = ? [pid 6380] <... exit_group resumed>) = ? [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6387] <... futex resumed>) = 0 [pid 6385] +++ exited with 0 +++ [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6387] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6386] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6387] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 6388 attached NULL, 8) = 0 [pid 6388] set_robust_list(0x555581d606a0, 24 [pid 6387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6388] <... set_robust_list resumed>) = 0 [pid 6387] <... mmap resumed>) = 0x7ff12c95c000 [pid 6388] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6387] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6388 [pid 6388] <... prctl resumed>) = 0 [pid 6387] <... mprotect resumed>) = 0 [pid 6388] setpgid(0, 0 [pid 6387] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6388] <... setpgid resumed>) = 0 [pid 6388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6387] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6388] <... openat resumed>) = 3 [pid 6387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6386] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6389 attached [pid 6386] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6380] +++ exited with 0 +++ ./strace-static-x86_64: Process 6390 attached [pid 6389] set_robust_list(0x555581d606a0, 24 [pid 6388] write(3, "1000", 4 [pid 6387] <... clone3 resumed> => {parent_tid=[6390]}, 88) = 6390 [pid 6386] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6389 [pid 6390] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6389] <... set_robust_list resumed>) = 0 [pid 6388] <... write resumed>) = 4 [pid 6387] rt_sigprocmask(SIG_SETMASK, [], [pid 6386] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6380, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6390] <... rseq resumed>) = 0 [pid 6389] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6388] close(3 [pid 6387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 6390] set_robust_list(0x7ff12c97c9a0, 24 [pid 6389] <... prctl resumed>) = 0 [pid 6388] <... close resumed>) = 0 [pid 6387] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6390] <... set_robust_list resumed>) = 0 [pid 6389] setpgid(0, 0 [pid 6388] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] <... futex resumed>) = 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 6390] rt_sigprocmask(SIG_SETMASK, [], [pid 6389] <... setpgid resumed>) = 0 [pid 6388] <... futex resumed>) = 0 [pid 6387] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6386] <... mmap resumed>) = 0x7ff12c95c000 [pid 6390] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6386] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6388] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6390] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6388] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6390] <... openat resumed>) = 3 [pid 6389] <... openat resumed>) = 3 [pid 6388] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6386] <... mprotect resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6390] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6390] <... futex resumed>) = 1 [pid 6388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6389] write(3, "1000", 4 [pid 6387] <... futex resumed>) = 0 [pid 6389] <... write resumed>) = 4 [pid 6388] <... mmap resumed>) = 0x7ff12c95c000 [pid 6387] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] close(3 [pid 6388] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6387] <... futex resumed>) = 0 [pid 6389] <... close resumed>) = 0 [pid 6388] <... mprotect resumed>) = 0 [pid 6387] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6391 attached [pid 6390] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6389] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6386] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6391] set_robust_list(0x555581d606a0, 24 [pid 6390] <... ioctl resumed>) = 0 [pid 6389] <... futex resumed>) = 0 [pid 6388] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6386] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6391] <... set_robust_list resumed>) = 0 [pid 6390] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6386] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6390] <... futex resumed>) = 1 [pid 6389] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6387] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6391 ./strace-static-x86_64: Process 6392 attached [pid 6390] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6389] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6387] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6386] <... clone3 resumed> => {parent_tid=[6393]}, 88) = 6393 [pid 6392] <... rseq resumed>) = 0 [pid 6387] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6393 attached [pid 6391] <... prctl resumed>) = 0 [pid 6390] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6388] <... clone3 resumed> => {parent_tid=[6392]}, 88) = 6392 [pid 6387] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6386] rt_sigprocmask(SIG_SETMASK, [], [pid 6392] set_robust_list(0x7ff12c97c9a0, 24 [pid 6393] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6392] <... set_robust_list resumed>) = 0 [pid 6391] setpgid(0, 0 [pid 6390] <... ioctl resumed>) = 0 [pid 6389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6388] rt_sigprocmask(SIG_SETMASK, [], [pid 6386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6393] <... rseq resumed>) = 0 [pid 6392] rt_sigprocmask(SIG_SETMASK, [], [pid 6391] <... setpgid resumed>) = 0 [pid 6390] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] <... mmap resumed>) = 0x7ff12c95c000 [pid 6388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6386] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] set_robust_list(0x7ff12c97c9a0, 24 [pid 6392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6390] <... futex resumed>) = 1 [pid 6389] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6388] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] <... futex resumed>) = 0 [pid 6386] <... futex resumed>) = 0 [pid 6393] <... set_robust_list resumed>) = 0 [pid 6392] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6391] <... openat resumed>) = 3 [pid 6390] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6389] <... mprotect resumed>) = 0 [pid 6388] <... futex resumed>) = 0 [pid 6393] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6392] <... openat resumed>) = 3 [pid 6393] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6392] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] write(3, "1000", 4 [pid 6389] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6388] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6387] exit_group(0 [pid 6386] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] <... openat resumed>) = 3 [pid 6392] <... futex resumed>) = 0 [pid 6391] <... write resumed>) = 4 [pid 6390] <... futex resumed>) = ? [pid 6389] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6387] <... exit_group resumed>) = ? [pid 6393] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] close(3 [pid 6390] +++ exited with 0 +++ [pid 6389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6388] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] <... futex resumed>) = 1 [pid 6392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6391] <... close resumed>) = 0 [pid 6388] <... futex resumed>) = 0 [pid 6386] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6394 attached [pid 6393] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6392] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6391] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6386] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6391] <... futex resumed>) = 0 [pid 6389] <... clone3 resumed> => {parent_tid=[6394]}, 88) = 6394 [pid 6386] <... futex resumed>) = 0 [pid 6393] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6392] <... ioctl resumed>) = 0 [pid 6391] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6389] rt_sigprocmask(SIG_SETMASK, [], [pid 6386] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6394] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6393] <... ioctl resumed>) = 0 [pid 6391] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6394] <... rseq resumed>) = 0 [pid 6393] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6389] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] set_robust_list(0x7ff12c97c9a0, 24 [pid 6393] <... futex resumed>) = 1 [pid 6392] <... futex resumed>) = 1 [pid 6391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6389] <... futex resumed>) = 0 [pid 6388] <... futex resumed>) = 0 [pid 6386] <... futex resumed>) = 0 [pid 6394] <... set_robust_list resumed>) = 0 [pid 6393] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6392] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6389] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6388] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] rt_sigprocmask(SIG_SETMASK, [], [pid 6393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6391] <... mmap resumed>) = 0x7ff12c95c000 [pid 6388] <... futex resumed>) = 0 [pid 6394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6393] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6392] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6391] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6388] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6386] <... futex resumed>) = 0 [pid 6393] <... ioctl resumed>) = 0 [pid 6391] <... mprotect resumed>) = 0 [pid 6386] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6394] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6393] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... ioctl resumed>) = 0 [pid 6391] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6387] +++ exited with 0 +++ [pid 6392] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6393] <... futex resumed>) = 1 [pid 6392] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6388] <... futex resumed>) = 0 [pid 6386] <... futex resumed>) = 0 [pid 6393] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6388] exit_group(0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6387, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 6395 attached [pid 6394] <... openat resumed>) = 3 [pid 6392] <... futex resumed>) = ? [pid 6388] <... exit_group resumed>) = ? [pid 6386] exit_group(0 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 6395] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6394] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] <... futex resumed>) = ? [pid 6392] +++ exited with 0 +++ [pid 6391] <... clone3 resumed> => {parent_tid=[6395]}, 88) = 6395 [pid 6388] +++ exited with 0 +++ [pid 6386] <... exit_group resumed>) = ? [pid 5072] <... restart_syscall resumed>) = 0 [pid 6395] <... rseq resumed>) = 0 [pid 6394] <... futex resumed>) = 1 [pid 6393] +++ exited with 0 +++ [pid 6391] rt_sigprocmask(SIG_SETMASK, [], [pid 6389] <... futex resumed>) = 0 [pid 6391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6389] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6388, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6391] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] <... futex resumed>) = 0 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 6391] <... futex resumed>) = 0 [pid 6389] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... restart_syscall resumed>) = 0 [pid 6395] set_robust_list(0x7ff12c97c9a0, 24 [pid 6394] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6391] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6386] +++ exited with 0 +++ ./strace-static-x86_64: Process 6396 attached [pid 6395] <... set_robust_list resumed>) = 0 [pid 6394] <... ioctl resumed>) = 0 [pid 6395] rt_sigprocmask(SIG_SETMASK, [], [pid 6396] set_robust_list(0x555581d606a0, 24 [pid 6395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6394] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6386, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6396] <... set_robust_list resumed>) = 0 [pid 6394] <... futex resumed>) = 1 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6396] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6395] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6394] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6397 attached [pid 6396] <... prctl resumed>) = 0 [pid 6395] <... openat resumed>) = 3 [pid 6389] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6396 [pid 6396] setpgid(0, 0 [pid 6397] set_robust_list(0x555581d606a0, 24 [pid 6396] <... setpgid resumed>) = 0 [pid 6395] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6394] <... futex resumed>) = 0 [pid 6395] <... futex resumed>) = 1 [pid 6389] <... futex resumed>) = 1 [pid 6394] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6391] <... futex resumed>) = 0 [pid 6389] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6398 attached [pid 6397] <... set_robust_list resumed>) = 0 [pid 6395] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6394] <... ioctl resumed>) = 0 [pid 6391] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6398 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6397 [pid 6396] <... openat resumed>) = 3 [pid 6394] <... futex resumed>) = 1 [pid 6391] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6389] <... futex resumed>) = 0 [pid 6398] set_robust_list(0x555581d606a0, 24 [pid 6397] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6396] write(3, "1000", 4 [pid 6395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6394] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6389] exit_group(0 [pid 6398] <... set_robust_list resumed>) = 0 [pid 6396] <... write resumed>) = 4 [pid 6395] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6394] <... futex resumed>) = ? [pid 6389] <... exit_group resumed>) = ? [pid 6397] <... prctl resumed>) = 0 [pid 6398] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6396] close(3 [pid 6395] <... ioctl resumed>) = 0 [pid 6394] +++ exited with 0 +++ [pid 6389] +++ exited with 0 +++ [pid 6397] setpgid(0, 0 [pid 6396] <... close resumed>) = 0 [pid 6398] <... prctl resumed>) = 0 [pid 6397] <... setpgid resumed>) = 0 [pid 6396] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6389, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 6396] <... futex resumed>) = 0 [pid 6395] <... futex resumed>) = 1 [pid 6391] <... futex resumed>) = 0 [pid 6398] setpgid(0, 0 [pid 6397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6396] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6395] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... restart_syscall resumed>) = 0 [pid 6398] <... setpgid resumed>) = 0 [pid 6397] <... openat resumed>) = 3 [pid 6396] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6391] <... futex resumed>) = 0 [pid 6396] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6395] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6391] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6397] write(3, "1000", 4 [pid 6396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6395] <... ioctl resumed>) = 0 [pid 6396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6398] <... openat resumed>) = 3 [pid 6397] <... write resumed>) = 4 [pid 6396] <... mmap resumed>) = 0x7ff12c95c000 [pid 6395] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] write(3, "1000", 4 [pid 6397] close(3 [pid 6396] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6395] <... futex resumed>) = 1 [pid 6391] <... futex resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6398] <... write resumed>) = 4 [pid 6397] <... close resumed>) = 0 [pid 6396] <... mprotect resumed>) = 0 [pid 6395] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] exit_group(0./strace-static-x86_64: Process 6399 attached [pid 6398] close(3 [pid 6397] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6395] <... futex resumed>) = ? [pid 6391] <... exit_group resumed>) = ? [pid 6398] <... close resumed>) = 0 [pid 6397] <... futex resumed>) = 0 [pid 6398] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] set_robust_list(0x555581d606a0, 24 [pid 6397] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6398] <... futex resumed>) = 0 [pid 6397] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6398] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6397] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6396] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6398] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6398] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6399 [pid 6398] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6397] <... mmap resumed>) = 0x7ff12c95c000 [pid 6398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6397] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6396] <... clone3 resumed> => {parent_tid=[6400]}, 88) = 6400 [pid 6398] <... mmap resumed>) = 0x7ff12c95c000 [pid 6397] <... mprotect resumed>) = 0 [pid 6396] rt_sigprocmask(SIG_SETMASK, [], [pid 6398] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6395] +++ exited with 0 +++ [pid 6391] +++ exited with 0 +++ ./strace-static-x86_64: Process 6400 attached [pid 6399] <... set_robust_list resumed>) = 0 [pid 6398] <... mprotect resumed>) = 0 [pid 6397] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6396] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6396] <... futex resumed>) = 0 [pid 6399] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6397] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6396] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6391, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6399] <... prctl resumed>) = 0 [pid 6398] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6400] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6397] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 6401 attached [pid 6399] setpgid(0, 0 [pid 6398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6401] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 6401] set_robust_list(0x7ff12c97c9a0, 24) = 0 [pid 6401] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6398] <... clone3 resumed> => {parent_tid=[6402]}, 88) = 6402 [pid 6401] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6398] rt_sigprocmask(SIG_SETMASK, [], [pid 6397] <... clone3 resumed> => {parent_tid=[6401]}, 88) = 6401 [pid 6398] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6397] rt_sigprocmask(SIG_SETMASK, [], [pid 6398] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6398] <... futex resumed>) = 0 [pid 6397] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] <... futex resumed>) = 0 [pid 6398] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6397] <... futex resumed>) = 1 [pid 6401] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6397] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6401] <... openat resumed>) = 3 [pid 6401] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6402 attached [pid 6400] <... rseq resumed>) = 0 [pid 6399] <... setpgid resumed>) = 0 [pid 6402] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6401] <... futex resumed>) = 1 [pid 6400] set_robust_list(0x7ff12c97c9a0, 24 [pid 6399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6397] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6402] <... rseq resumed>) = 0 [pid 6401] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6400] <... set_robust_list resumed>) = 0 [pid 6402] set_robust_list(0x7ff12c97c9a0, 24 [pid 6401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6400] rt_sigprocmask(SIG_SETMASK, [], [pid 6399] <... openat resumed>) = 3 [pid 6397] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6403 attached [pid 6402] <... set_robust_list resumed>) = 0 [pid 6401] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6400] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6399] write(3, "1000", 4 [pid 6397] <... futex resumed>) = 0 [pid 6403] set_robust_list(0x555581d606a0, 24 [pid 6402] rt_sigprocmask(SIG_SETMASK, [], [pid 6403] <... set_robust_list resumed>) = 0 [pid 6402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6401] <... ioctl resumed>) = 0 [pid 6400] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6399] <... write resumed>) = 4 [pid 6397] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6403 [pid 6403] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6402] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6401] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] <... openat resumed>) = 3 [pid 6399] close(3) = 0 [pid 6399] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6399] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6400] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6401] <... futex resumed>) = 1 [pid 6400] <... futex resumed>) = 1 [pid 6399] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6400] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6401] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6403] <... prctl resumed>) = 0 [pid 6397] <... futex resumed>) = 0 [pid 6396] <... futex resumed>) = 0 [pid 6403] setpgid(0, 0 [pid 6399] <... mmap resumed>) = 0x7ff12c95c000 [pid 6397] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] <... openat resumed>) = 3 [pid 6403] <... setpgid resumed>) = 0 [pid 6400] <... futex resumed>) = 0 [pid 6401] <... futex resumed>) = 0 [pid 6399] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6397] <... futex resumed>) = 1 [pid 6396] <... futex resumed>) = 1 [pid 6403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6402] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6400] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6397] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6396] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6403] <... openat resumed>) = 3 [pid 6402] <... futex resumed>) = 1 [pid 6401] <... ioctl resumed>) = 0 [pid 6400] <... ioctl resumed>) = 0 [pid 6399] <... mprotect resumed>) = 0 [pid 6398] <... futex resumed>) = 0 [pid 6402] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6401] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] write(3, "1000", 4 [pid 6401] <... futex resumed>) = 1 [pid 6400] <... futex resumed>) = 1 [pid 6399] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6398] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] <... futex resumed>) = 0 [pid 6396] <... futex resumed>) = 0 [pid 6403] <... write resumed>) = 4 [pid 6402] <... futex resumed>) = 0 [pid 6401] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6400] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6398] <... futex resumed>) = 1 [pid 6397] exit_group(0 [pid 6396] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] close(3 [pid 6400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6399] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6398] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6397] <... exit_group resumed>) = ? [pid 6396] <... futex resumed>) = 0 [pid 6403] <... close resumed>) = 0 [pid 6402] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6401] <... futex resumed>) = ? [pid 6400] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6396] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6403] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] <... ioctl resumed>) = 0 [pid 6400] <... ioctl resumed>) = 0 [pid 6403] <... futex resumed>) = 0 [pid 6400] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6400] <... futex resumed>) = 1 [pid 6399] <... clone3 resumed> => {parent_tid=[6404]}, 88) = 6404 [pid 6396] <... futex resumed>) = 0 [pid 6403] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6400] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] rt_sigprocmask(SIG_SETMASK, [], [pid 6396] exit_group(0 [pid 6403] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6400] <... futex resumed>) = ? [pid 6399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6396] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6404 attached [pid 6403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6402] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] +++ exited with 0 +++ [pid 6400] +++ exited with 0 +++ [pid 6399] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] +++ exited with 0 +++ [pid 6396] +++ exited with 0 +++ [pid 6404] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6402] <... futex resumed>) = 1 [pid 6399] <... futex resumed>) = 0 [pid 6398] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6396, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6397, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6404] <... rseq resumed>) = 0 [pid 6403] <... mmap resumed>) = 0x7ff12c95c000 [pid 6402] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6398] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 6404] set_robust_list(0x7ff12c97c9a0, 24 [pid 6403] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6398] <... futex resumed>) = 0 [pid 6404] <... set_robust_list resumed>) = 0 [pid 6403] <... mprotect resumed>) = 0 [pid 6402] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6398] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... restart_syscall resumed>) = 0 [pid 6404] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6402] <... ioctl resumed>) = 0 [pid 6404] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6403] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6402] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6402] <... futex resumed>) = 1 [pid 6398] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6405 attached [pid 6404] <... openat resumed>) = 3 [pid 6403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6402] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6398] exit_group(0 [pid 6405] set_robust_list(0x555581d606a0, 24) = 0 [pid 6404] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6406 attached [pid 6398] <... exit_group resumed>) = ? [pid 6406] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6405] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6404] <... futex resumed>) = 1 [pid 6403] <... clone3 resumed> => {parent_tid=[6406]}, 88) = 6406 [pid 6402] <... futex resumed>) = ? [pid 6406] <... rseq resumed>) = 0 [pid 6403] rt_sigprocmask(SIG_SETMASK, [], [pid 6399] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6405 [pid 6406] set_robust_list(0x7ff12c97c9a0, 24 [pid 6403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6399] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] <... set_robust_list resumed>) = 0 [pid 6403] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... futex resumed>) = 0 [pid 6406] rt_sigprocmask(SIG_SETMASK, [], [pid 6403] <... futex resumed>) = 0 [pid 6399] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6407 attached [pid 6406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6403] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6407] set_robust_list(0x555581d606a0, 24 [pid 6406] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6407] <... set_robust_list resumed>) = 0 [pid 6406] <... openat resumed>) = 3 [pid 6407] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6406] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] <... prctl resumed>) = 0 [pid 6404] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6402] +++ exited with 0 +++ [pid 6398] +++ exited with 0 +++ [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6407 [pid 6407] <... prctl resumed>) = 0 [pid 6406] <... futex resumed>) = 1 [pid 6405] setpgid(0, 0 [pid 6404] <... ioctl resumed>) = 0 [pid 6403] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6398, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6407] setpgid(0, 0 [pid 6406] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] <... setpgid resumed>) = 0 [pid 6404] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... setpgid resumed>) = 0 [pid 6406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6404] <... futex resumed>) = 1 [pid 6403] <... futex resumed>) = 0 [pid 6399] <... futex resumed>) = 0 [pid 6407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6406] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6403] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6406] <... ioctl resumed>) = 0 [pid 6404] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6399] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] <... openat resumed>) = 3 [pid 6407] <... openat resumed>) = 3 [pid 6406] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] <... ioctl resumed>) = 0 [pid 6399] <... futex resumed>) = 0 [pid 6405] write(3, "1000", 4 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6407] write(3, "1000", 4 [pid 6406] <... futex resumed>) = 1 [pid 6405] <... write resumed>) = 4 [pid 6404] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] <... futex resumed>) = 0 [pid 6399] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6407] <... write resumed>) = 4 [pid 6406] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] close(3 [pid 6404] <... futex resumed>) = 0 [pid 6403] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6408 attached [pid 6407] close(3 [pid 6406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6405] <... close resumed>) = 0 [pid 6404] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6403] <... futex resumed>) = 0 [pid 6399] exit_group(0 [pid 6408] set_robust_list(0x555581d606a0, 24 [pid 6407] <... close resumed>) = 0 [pid 6406] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6405] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] <... futex resumed>) = ? [pid 6403] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6399] <... exit_group resumed>) = ? [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6408 [pid 6407] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] <... ioctl resumed>) = 0 [pid 6405] <... futex resumed>) = 0 [pid 6404] +++ exited with 0 +++ [pid 6408] <... set_robust_list resumed>) = 0 [pid 6407] <... futex resumed>) = 0 [pid 6406] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6408] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6407] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6406] <... futex resumed>) = 1 [pid 6405] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6403] <... futex resumed>) = 0 [pid 6399] +++ exited with 0 +++ [pid 6408] <... prctl resumed>) = 0 [pid 6407] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6406] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6403] exit_group(0 [pid 6408] setpgid(0, 0 [pid 6407] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6406] <... futex resumed>) = ? [pid 6405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6403] <... exit_group resumed>) = ? [pid 6408] <... setpgid resumed>) = 0 [pid 6407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6406] +++ exited with 0 +++ [pid 6405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6403] +++ exited with 0 +++ [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6399, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6405] <... mmap resumed>) = 0x7ff12c95c000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6403, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6407] <... mmap resumed>) = 0x7ff12c95c000 [pid 6405] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 6408] <... openat resumed>) = 3 [pid 6407] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6405] <... mprotect resumed>) = 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 6407] <... mprotect resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6408] write(3, "1000", 4) = 4 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6409 [pid 6408] close(3./strace-static-x86_64: Process 6409 attached ) = 0 ./strace-static-x86_64: Process 6410 attached [pid 6409] set_robust_list(0x555581d606a0, 24 [pid 6408] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6405] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6409] <... set_robust_list resumed>) = 0 [pid 6410] set_robust_list(0x555581d606a0, 24 [pid 6408] <... futex resumed>) = 0 [pid 6407] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6405] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6410] <... set_robust_list resumed>) = 0 [pid 6408] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 6412 attached ./strace-static-x86_64: Process 6411 attached [pid 6409] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6410] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6408] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6410 [pid 6412] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6411] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6409] <... prctl resumed>) = 0 [pid 6410] <... prctl resumed>) = 0 [pid 6408] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6407] <... clone3 resumed> => {parent_tid=[6411]}, 88) = 6411 [pid 6405] <... clone3 resumed> => {parent_tid=[6412]}, 88) = 6412 [pid 6412] <... rseq resumed>) = 0 [pid 6411] <... rseq resumed>) = 0 [pid 6409] setpgid(0, 0 [pid 6410] setpgid(0, 0 [pid 6408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6407] rt_sigprocmask(SIG_SETMASK, [], [pid 6405] rt_sigprocmask(SIG_SETMASK, [], [pid 6412] set_robust_list(0x7ff12c97c9a0, 24 [pid 6411] set_robust_list(0x7ff12c97c9a0, 24 [pid 6410] <... setpgid resumed>) = 0 [pid 6408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6412] <... set_robust_list resumed>) = 0 [pid 6411] <... set_robust_list resumed>) = 0 [pid 6409] <... setpgid resumed>) = 0 [pid 6410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6407] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] rt_sigprocmask(SIG_SETMASK, [], [pid 6411] rt_sigprocmask(SIG_SETMASK, [], [pid 6408] <... mmap resumed>) = 0x7ff12c95c000 [pid 6407] <... futex resumed>) = 0 [pid 6405] <... futex resumed>) = 0 [pid 6412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6410] <... openat resumed>) = 3 [pid 6411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6407] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6405] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6412] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3 [pid 6411] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6408] <... mprotect resumed>) = 0 [pid 6409] <... openat resumed>) = 3 [pid 6410] write(3, "1000", 4 [pid 6412] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] <... write resumed>) = 4 [pid 6412] <... futex resumed>) = 1 [pid 6410] close(3 [pid 6405] <... futex resumed>) = 0 [pid 6412] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6410] <... close resumed>) = 0 [pid 6405] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6410] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] <... futex resumed>) = 0 [pid 6412] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6408] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6405] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6412] <... ioctl resumed>) = 0 [pid 6411] <... openat resumed>) = 3 [pid 6410] <... futex resumed>) = 0 [pid 6410] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6412] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6412] <... futex resumed>) = 1 [pid 6411] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] write(3, "1000", 4 [pid 6410] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6408] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6405] <... futex resumed>) = 0 [pid 6412] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6411] <... futex resumed>) = 1 [pid 6409] <... write resumed>) = 4 [pid 6410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6408] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6407] <... futex resumed>) = 0 [pid 6405] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6413 attached [pid 6412] <... ioctl resumed>) = 0 [pid 6411] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6409] close(3 [pid 6410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6407] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] <... futex resumed>) = 0 [pid 6413] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6412] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6409] <... close resumed>) = 0 [pid 6410] <... mmap resumed>) = 0x7ff12c95c000 [pid 6408] <... clone3 resumed> => {parent_tid=[6413]}, 88) = 6413 [pid 6407] <... futex resumed>) = 0 [pid 6405] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6413] <... rseq resumed>) = 0 [pid 6412] <... futex resumed>) = 0 [pid 6411] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6409] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6408] rt_sigprocmask(SIG_SETMASK, [], [pid 6407] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6413] set_robust_list(0x7ff12c97c9a0, 24 [pid 6412] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6411] <... ioctl resumed>) = 0 [pid 6409] <... futex resumed>) = 0 [pid 6410] <... mprotect resumed>) = 0 [pid 6408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6405] exit_group(0 [pid 6413] <... set_robust_list resumed>) = 0 [pid 6412] <... futex resumed>) = ? [pid 6411] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6410] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6408] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] <... exit_group resumed>) = ? [pid 6413] rt_sigprocmask(SIG_SETMASK, [], [pid 6412] +++ exited with 0 +++ [pid 6411] <... futex resumed>) = 1 [pid 6409] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6408] <... futex resumed>) = 0 [pid 6407] <... futex resumed>) = 0 [pid 6413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6411] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6409] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6410] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6408] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6407] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] +++ exited with 0 +++ [pid 6413] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6411] <... ioctl resumed>) = 0 [pid 6409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6407] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6405, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6414 attached [pid 6413] <... openat resumed>) = 3 [pid 6411] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6407] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6414] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6410] <... clone3 resumed> => {parent_tid=[6414]}, 88) = 6414 [pid 6407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6414] <... rseq resumed>) = 0 [pid 6410] rt_sigprocmask(SIG_SETMASK, [], [pid 6407] exit_group(0 [pid 6414] set_robust_list(0x7ff12c97c9a0, 24 [pid 6411] <... futex resumed>) = ? [pid 6410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6407] <... exit_group resumed>) = ? [pid 6409] <... mmap resumed>) = 0x7ff12c95c000 [pid 6414] <... set_robust_list resumed>) = 0 [pid 6413] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] +++ exited with 0 +++ [pid 6409] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6410] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] +++ exited with 0 +++ [pid 6414] rt_sigprocmask(SIG_SETMASK, [], [pid 6413] <... futex resumed>) = 1 [pid 6409] <... mprotect resumed>) = 0 [pid 6410] <... futex resumed>) = 0 [pid 6408] <... futex resumed>) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6407, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6413] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6409] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6410] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6409] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6408] <... futex resumed>) = 0 [pid 6408] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6409] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6413] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6414] <... openat resumed>) = 3 [pid 6413] <... ioctl resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6415 attached [pid 6414] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6416 attached [pid 6415] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6414] <... futex resumed>) = 1 [pid 6410] <... futex resumed>) = 0 [pid 6415] <... rseq resumed>) = 0 [pid 6415] set_robust_list(0x7ff12c97c9a0, 24 [pid 6410] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] <... set_robust_list resumed>) = 0 [pid 6414] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6415] rt_sigprocmask(SIG_SETMASK, [], [pid 6410] <... futex resumed>) = 0 [pid 6414] <... ioctl resumed>) = 0 [pid 6410] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6416] set_robust_list(0x555581d606a0, 24 [pid 6415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6416] <... set_robust_list resumed>) = 0 [pid 6415] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6414] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6414] <... futex resumed>) = 1 [pid 6410] <... futex resumed>) = 0 [pid 6414] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6410] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] <... ioctl resumed>) = 0 [pid 6410] <... futex resumed>) = 0 [pid 6416] <... prctl resumed>) = 0 [pid 6414] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6416] setpgid(0, 0 [pid 6414] <... futex resumed>) = 0 [pid 6410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6416 [pid 6416] <... setpgid resumed>) = 0 [pid 6414] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6410] exit_group(0 [pid 6416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6414] <... futex resumed>) = ? [pid 6410] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6417 attached [pid 6414] +++ exited with 0 +++ [pid 6413] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] <... clone3 resumed> => {parent_tid=[6415]}, 88) = 6415 [pid 6410] +++ exited with 0 +++ [pid 6413] <... futex resumed>) = 1 [pid 6409] rt_sigprocmask(SIG_SETMASK, [], [pid 6408] <... futex resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6417 [pid 6417] set_robust_list(0x555581d606a0, 24 [pid 6413] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6408] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6409] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] <... set_robust_list resumed>) = 0 [pid 6416] <... openat resumed>) = 3 [pid 6415] <... futex resumed>) = 0 [pid 6413] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6409] <... futex resumed>) = 1 [pid 6408] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6410, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6417] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6416] write(3, "1000", 4 [pid 6415] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6409] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6413] <... ioctl resumed>) = 0 [pid 6417] <... prctl resumed>) = 0 [pid 6416] <... write resumed>) = 4 [pid 6413] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] setpgid(0, 0 [pid 6416] close(3 [pid 6413] <... futex resumed>) = 1 [pid 6408] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6418 attached [pid 6417] <... setpgid resumed>) = 0 [pid 6416] <... close resumed>) = 0 [pid 6415] <... openat resumed>) = 3 [pid 6413] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6408] exit_group(0 [pid 6416] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] <... exit_group resumed>) = ? [pid 6418] set_robust_list(0x555581d606a0, 24 [pid 6416] <... futex resumed>) = 0 [pid 6418] <... set_robust_list resumed>) = 0 [pid 6416] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6418 [pid 6416] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6418] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6415] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... futex resumed>) = ? [pid 6416] <... mmap resumed>) = 0x7ff12c95c000 [pid 6415] <... futex resumed>) = 1 [pid 6409] <... futex resumed>) = 0 [pid 6416] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6415] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6409] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] <... mprotect resumed>) = 0 [pid 6415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6409] <... futex resumed>) = 0 [pid 6416] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6415] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6409] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6418] <... prctl resumed>) = 0 [pid 6417] <... openat resumed>) = 3 [pid 6418] setpgid(0, 0 [pid 6417] write(3, "1000", 4 [pid 6416] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6415] <... ioctl resumed>) = 0 [pid 6418] <... setpgid resumed>) = 0 [pid 6417] <... write resumed>) = 4 [pid 6416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6415] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6419 attached [pid 6418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6417] close(3 [pid 6415] <... futex resumed>) = 1 [pid 6409] <... futex resumed>) = 0 [pid 6419] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053) = 0 [pid 6416] <... clone3 resumed> => {parent_tid=[6419]}, 88) = 6419 [pid 6415] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6409] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] set_robust_list(0x7ff12c97c9a0, 24 [pid 6416] rt_sigprocmask(SIG_SETMASK, [], [pid 6415] <... ioctl resumed>) = 0 [pid 6409] <... futex resumed>) = 0 [pid 6419] <... set_robust_list resumed>) = 0 [pid 6416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6415] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6419] rt_sigprocmask(SIG_SETMASK, [], [pid 6416] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] <... futex resumed>) = 0 [pid 6409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6416] <... futex resumed>) = 0 [pid 6415] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6409] exit_group(0 [pid 6419] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6416] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6415] <... futex resumed>) = ? [pid 6409] <... exit_group resumed>) = ? [pid 6419] <... openat resumed>) = 3 [pid 6418] <... openat resumed>) = 3 [pid 6417] <... close resumed>) = 0 [pid 6415] +++ exited with 0 +++ [pid 6413] +++ exited with 0 +++ [pid 6409] +++ exited with 0 +++ [pid 6408] +++ exited with 0 +++ [pid 6419] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] <... futex resumed>) = 1 [pid 6416] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6408, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6409, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6419] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6416] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] <... futex resumed>) = 0 [pid 6418] write(3, "1000", 4 [pid 6417] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6416] <... futex resumed>) = 0 [pid 6419] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6418] <... write resumed>) = 4 [pid 6417] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6416] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6419] <... ioctl resumed>) = 0 [pid 6419] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6416] <... futex resumed>) = 0 [pid 6419] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6416] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] <... ioctl resumed>) = 0 [pid 6416] <... futex resumed>) = 0 [pid 6416] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6419] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] <... futex resumed>) = 0 [pid 6419] <... futex resumed>) = 1 [pid 6416] exit_group(0) = ? [pid 6419] +++ exited with 0 +++ [pid 6418] close(3 [pid 6417] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 6420 attached [pid 6418] <... close resumed>) = 0 [pid 6417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6416] +++ exited with 0 +++ [pid 6420] set_robust_list(0x555581d606a0, 24 [pid 6418] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6420 [pid 6420] <... set_robust_list resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6416, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6420] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6418] <... futex resumed>) = 0 [pid 6417] <... mmap resumed>) = 0x7ff12c95c000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6418] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6417] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6418] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6420] <... prctl resumed>) = 0 [pid 6418] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6417] <... mprotect resumed>) = 0 [pid 6418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6421 attached [pid 6420] setpgid(0, 0 [pid 6418] <... mmap resumed>) = 0x7ff12c95c000 [pid 6417] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6418] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6421] set_robust_list(0x555581d606a0, 24 [pid 6420] <... setpgid resumed>) = 0 [pid 6421] <... set_robust_list resumed>) = 0 [pid 6418] <... mprotect resumed>) = 0 [pid 6421] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6417] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6421] <... prctl resumed>) = 0 [pid 6420] <... openat resumed>) = 3 [pid 6418] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6421] setpgid(0, 0 [pid 6417] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 6422 attached [pid 6421] <... setpgid resumed>) = 0 [pid 6420] write(3, "1000", 4 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6421 ./strace-static-x86_64: Process 6423 attached [pid 6422] set_robust_list(0x555581d606a0, 24 [pid 6421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6420] <... write resumed>) = 4 [pid 6418] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6422 [pid 6423] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6422] <... set_robust_list resumed>) = 0 [pid 6421] <... openat resumed>) = 3 [pid 6420] close(3 [pid 6418] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6417] <... clone3 resumed> => {parent_tid=[6423]}, 88) = 6423 ./strace-static-x86_64: Process 6424 attached [pid 6423] <... rseq resumed>) = 0 [pid 6422] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6421] write(3, "1000", 4 [pid 6420] <... close resumed>) = 0 [pid 6417] rt_sigprocmask(SIG_SETMASK, [], [pid 6424] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6423] set_robust_list(0x7ff12c97c9a0, 24 [pid 6422] <... prctl resumed>) = 0 [pid 6421] <... write resumed>) = 4 [pid 6420] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6424] <... rseq resumed>) = 0 [pid 6423] <... set_robust_list resumed>) = 0 [pid 6422] setpgid(0, 0 [pid 6421] close(3 [pid 6420] <... futex resumed>) = 0 [pid 6418] <... clone3 resumed> => {parent_tid=[6424]}, 88) = 6424 [pid 6417] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] set_robust_list(0x7ff12c97c9a0, 24 [pid 6423] rt_sigprocmask(SIG_SETMASK, [], [pid 6422] <... setpgid resumed>) = 0 [pid 6421] <... close resumed>) = 0 [pid 6420] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6418] rt_sigprocmask(SIG_SETMASK, [], [pid 6417] <... futex resumed>) = 0 [pid 6424] <... set_robust_list resumed>) = 0 [pid 6423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6421] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6417] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6424] rt_sigprocmask(SIG_SETMASK, [], [pid 6418] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6418] <... futex resumed>) = 0 [pid 6424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6422] <... openat resumed>) = 3 [pid 6421] <... futex resumed>) = 0 [pid 6420] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6418] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6424] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6423] <... openat resumed>) = 3 [pid 6421] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6424] <... openat resumed>) = 3 [pid 6422] write(3, "1000", 4 [pid 6421] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6423] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] <... write resumed>) = 4 [pid 6421] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6420] <... mmap resumed>) = 0x7ff12c95c000 [pid 6424] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] close(3 [pid 6421] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6420] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6424] <... futex resumed>) = 1 [pid 6423] <... futex resumed>) = 1 [pid 6422] <... close resumed>) = 0 [pid 6421] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6420] <... mprotect resumed>) = 0 [pid 6418] <... futex resumed>) = 0 [pid 6417] <... futex resumed>) = 0 [pid 6424] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6423] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6422] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] <... mmap resumed>) = 0x7ff12c95c000 [pid 6418] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6417] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6422] <... futex resumed>) = 0 [pid 6421] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6418] <... futex resumed>) = 0 [pid 6417] <... futex resumed>) = 0 [pid 6424] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6423] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6422] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6421] <... mprotect resumed>) = 0 [pid 6420] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6418] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6417] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6424] <... ioctl resumed>) = 0 [pid 6423] <... ioctl resumed>) = 0 [pid 6422] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6421] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6420] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6424] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6423] <... futex resumed>) = 1 [pid 6417] <... futex resumed>) = 0 [pid 6423] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6425 attached [pid 6424] <... futex resumed>) = 1 [pid 6422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6421] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6420] <... clone3 resumed> => {parent_tid=[6425]}, 88) = 6425 [pid 6418] <... futex resumed>) = 0 [pid 6417] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6424] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6423] <... futex resumed>) = 0 [pid 6422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6421] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6420] rt_sigprocmask(SIG_SETMASK, [], [pid 6418] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6426 attached [pid 6425] <... rseq resumed>) = 0 [pid 6424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6423] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6422] <... mmap resumed>) = 0x7ff12c95c000 [pid 6420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6426] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6425] set_robust_list(0x7ff12c97c9a0, 24 [pid 6424] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6423] <... ioctl resumed>) = 0 [pid 6422] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6421] <... clone3 resumed> => {parent_tid=[6426]}, 88) = 6426 [pid 6420] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] <... futex resumed>) = 0 [pid 6417] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6426] <... rseq resumed>) = 0 [pid 6425] <... set_robust_list resumed>) = 0 [pid 6424] <... ioctl resumed>) = 0 [pid 6423] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] <... mprotect resumed>) = 0 [pid 6421] rt_sigprocmask(SIG_SETMASK, [], [pid 6420] <... futex resumed>) = 0 [pid 6418] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6426] set_robust_list(0x7ff12c97c9a0, 24 [pid 6425] rt_sigprocmask(SIG_SETMASK, [], [pid 6424] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] <... futex resumed>) = 0 [pid 6422] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6417] exit_group(0 [pid 6426] <... set_robust_list resumed>) = 0 [pid 6417] <... exit_group resumed>) = ? [pid 6426] rt_sigprocmask(SIG_SETMASK, [], [pid 6418] exit_group(0 [pid 6426] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6426] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6424] <... futex resumed>) = ? [pid 6422] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6421] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6420] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6418] <... exit_group resumed>) = ? [pid 6425] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6424] +++ exited with 0 +++ [pid 6422] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6421] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000) = 1 ./strace-static-x86_64: Process 6427 attached [pid 6425] <... openat resumed>) = 3 [pid 6422] <... clone3 resumed> => {parent_tid=[6427]}, 88) = 6427 [pid 6421] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6425] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] rt_sigprocmask(SIG_SETMASK, [], [pid 6427] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6426] <... futex resumed>) = 0 [pid 6425] <... futex resumed>) = 1 [pid 6422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6420] <... futex resumed>) = 0 [pid 6425] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6422] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6420] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6422] <... futex resumed>) = 0 [pid 6420] <... futex resumed>) = 0 [pid 6427] <... rseq resumed>) = 0 [pid 6426] <... openat resumed>) = 3 [pid 6425] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6420] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6427] set_robust_list(0x7ff12c97c9a0, 24 [pid 6426] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] <... ioctl resumed>) = 0 [pid 6423] +++ exited with 0 +++ [pid 6422] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6417] +++ exited with 0 +++ [pid 6427] <... set_robust_list resumed>) = 0 [pid 6426] <... futex resumed>) = 1 [pid 6421] <... futex resumed>) = 0 [pid 6418] +++ exited with 0 +++ [pid 6427] rt_sigprocmask(SIG_SETMASK, [], [pid 6426] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6425] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6417, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6427] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6426] <... ioctl resumed>) = 0 [pid 6425] <... futex resumed>) = 1 [pid 6421] <... futex resumed>) = 0 [pid 6420] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6418, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6427] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6426] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6421] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6420] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 6427] <... openat resumed>) = 3 [pid 6426] <... futex resumed>) = 0 [pid 6425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 6427] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6425] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6420] <... futex resumed>) = 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5066] <... restart_syscall resumed>) = 0 [pid 6427] <... futex resumed>) = 1 [pid 6425] <... ioctl resumed>) = 0 [pid 6422] <... futex resumed>) = 0 [pid 6421] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6427] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6426] <... futex resumed>) = 0 [pid 6425] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] <... futex resumed>) = 1 [pid 6420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6426] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6425] <... futex resumed>) = 0 [pid 6422] <... futex resumed>) = 0 [pid 6421] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6420] exit_group(0 [pid 6427] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6426] <... ioctl resumed>) = 0 [pid 6422] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6420] <... exit_group resumed>) = ? [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6427] <... ioctl resumed>) = 0 [pid 6426] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] +++ exited with 0 +++ [pid 6420] +++ exited with 0 +++ [pid 6426] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6428 attached ./strace-static-x86_64: Process 6429 attached [pid 6427] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6421] <... futex resumed>) = 0 [pid 6427] <... futex resumed>) = 1 [pid 6422] <... futex resumed>) = 0 [pid 6427] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6420, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6422] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6428 [pid 6427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6422] <... futex resumed>) = 0 [pid 6422] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6428] set_robust_list(0x555581d606a0, 24 [pid 6429] set_robust_list(0x555581d606a0, 24 [pid 6427] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6421] exit_group(0 [pid 6428] <... set_robust_list resumed>) = 0 [pid 6429] <... set_robust_list resumed>) = 0 [pid 6421] <... exit_group resumed>) = ? [pid 6428] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6429] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6427] <... ioctl resumed>) = 0 [pid 6426] <... futex resumed>) = ? [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6428] <... prctl resumed>) = 0 [pid 6429] <... prctl resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6429 [pid 6428] setpgid(0, 0 [pid 6429] setpgid(0, 0) = 0 [pid 6428] <... setpgid resumed>) = 0 [pid 6429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6429] <... openat resumed>) = 3 [pid 6426] +++ exited with 0 +++ [pid 6421] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6421, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5072] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6430 attached ) = 0 [pid 6427] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6430 [pid 6427] <... futex resumed>) = 1 [pid 6430] set_robust_list(0x555581d606a0, 24 [pid 6422] <... futex resumed>) = 0 [pid 6430] <... set_robust_list resumed>) = 0 [pid 6428] write(3, "1000", 4 [pid 6429] write(3, "1000", 4 [pid 6427] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6422] exit_group(0 [pid 6430] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6428] <... write resumed>) = 4 [pid 6427] <... futex resumed>) = ? [pid 6422] <... exit_group resumed>) = ? [pid 6430] <... prctl resumed>) = 0 [pid 6427] +++ exited with 0 +++ [pid 6428] close(3 [pid 6429] <... write resumed>) = 4 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6431 attached [pid 6430] setpgid(0, 0 [pid 6428] <... close resumed>) = 0 [pid 6429] close(3 [pid 6431] set_robust_list(0x555581d606a0, 24 [pid 6430] <... setpgid resumed>) = 0 [pid 6428] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] <... close resumed>) = 0 [pid 6431] <... set_robust_list resumed>) = 0 [pid 6431] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6428] <... futex resumed>) = 0 [pid 6429] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] <... prctl resumed>) = 0 [pid 6431] setpgid(0, 0 [pid 6428] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6429] <... futex resumed>) = 0 [pid 6431] <... setpgid resumed>) = 0 [pid 6428] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6429] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6430] <... openat resumed>) = 3 [pid 6428] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6429] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6422] +++ exited with 0 +++ [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6431 [pid 6430] write(3, "1000", 4 [pid 6428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6429] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6431] <... openat resumed>) = 3 [pid 6430] <... write resumed>) = 4 [pid 6428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6431] write(3, "1000", 4 [pid 6430] close(3 [pid 6428] <... mmap resumed>) = 0x7ff12c95c000 [pid 6429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6431] <... write resumed>) = 4 [pid 6430] <... close resumed>) = 0 [pid 6428] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6422, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6431] close(3 [pid 6430] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] <... mprotect resumed>) = 0 [pid 6429] <... mmap resumed>) = 0x7ff12c95c000 [pid 6431] <... close resumed>) = 0 [pid 6430] <... futex resumed>) = 0 [pid 6428] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6430] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6431] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6430] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6431] <... futex resumed>) = 0 [pid 6430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6431] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6431] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6431] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6430] <... mmap resumed>) = 0x7ff12c95c000 [pid 6428] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6429] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6429] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6433 attached ./strace-static-x86_64: Process 6432 attached [pid 6431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6430] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6429] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6433] set_robust_list(0x555581d606a0, 24 [pid 6432] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6430] <... mprotect resumed>) = 0 [pid 6428] <... clone3 resumed> => {parent_tid=[6432]}, 88) = 6432 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6433 [pid 6433] <... set_robust_list resumed>) = 0 [pid 6432] <... rseq resumed>) = 0 [pid 6431] <... mmap resumed>) = 0x7ff12c95c000 [pid 6430] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6428] rt_sigprocmask(SIG_SETMASK, [], [pid 6429] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6433] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6432] set_robust_list(0x7ff12c97c9a0, 24 [pid 6431] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6430] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6429] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 6434 attached [pid 6433] <... prctl resumed>) = 0 [pid 6432] <... set_robust_list resumed>) = 0 [pid 6431] <... mprotect resumed>) = 0 [pid 6430] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6428] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6433] setpgid(0, 0 [pid 6432] rt_sigprocmask(SIG_SETMASK, [], [pid 6428] <... futex resumed>) = 0 [pid 6434] <... rseq resumed>) = 0 [pid 6433] <... setpgid resumed>) = 0 [pid 6432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6431] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6430] <... clone3 resumed> => {parent_tid=[6435]}, 88) = 6435 ./strace-static-x86_64: Process 6435 attached [pid 6434] set_robust_list(0x7ff12c97c9a0, 24 [pid 6433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6432] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6431] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6430] rt_sigprocmask(SIG_SETMASK, [], [pid 6428] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6429] <... clone3 resumed> => {parent_tid=[6434]}, 88) = 6434 [pid 6435] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6434] <... set_robust_list resumed>) = 0 [pid 6432] <... openat resumed>) = 3 [pid 6431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6429] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6436 attached [pid 6435] <... rseq resumed>) = 0 [pid 6434] rt_sigprocmask(SIG_SETMASK, [], [pid 6433] <... openat resumed>) = 3 [pid 6432] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6436] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6435] set_robust_list(0x7ff12c97c9a0, 24 [pid 6434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6433] write(3, "1000", 4 [pid 6432] <... futex resumed>) = 1 [pid 6431] <... clone3 resumed> => {parent_tid=[6436]}, 88) = 6436 [pid 6430] <... futex resumed>) = 0 [pid 6428] <... futex resumed>) = 0 [pid 6429] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6436] <... rseq resumed>) = 0 [pid 6435] <... set_robust_list resumed>) = 0 [pid 6434] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6433] <... write resumed>) = 4 [pid 6432] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6431] rt_sigprocmask(SIG_SETMASK, [], [pid 6430] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6428] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] <... futex resumed>) = 0 [pid 6436] set_robust_list(0x7ff12c97c9a0, 24 [pid 6435] rt_sigprocmask(SIG_SETMASK, [], [pid 6434] <... openat resumed>) = 3 [pid 6433] close(3 [pid 6432] <... ioctl resumed>) = 0 [pid 6431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6428] <... futex resumed>) = 0 [pid 6436] <... set_robust_list resumed>) = 0 [pid 6435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6434] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] <... close resumed>) = 0 [pid 6432] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6429] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6436] rt_sigprocmask(SIG_SETMASK, [], [pid 6435] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6434] <... futex resumed>) = 0 [pid 6433] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] <... futex resumed>) = 0 [pid 6431] <... futex resumed>) = 0 [pid 6428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6435] <... openat resumed>) = 3 [pid 6434] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6433] <... futex resumed>) = 0 [pid 6432] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6431] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6428] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6436] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6435] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6432] <... ioctl resumed>) = 0 [pid 6428] <... futex resumed>) = 0 [pid 6429] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6436] <... openat resumed>) = 3 [pid 6435] <... futex resumed>) = 1 [pid 6434] <... futex resumed>) = 0 [pid 6433] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6432] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] <... futex resumed>) = 0 [pid 6428] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6429] <... futex resumed>) = 1 [pid 6436] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6434] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6433] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6432] <... futex resumed>) = 0 [pid 6430] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6429] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6436] <... futex resumed>) = 1 [pid 6435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6434] <... ioctl resumed>) = 0 [pid 6433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6432] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6431] <... futex resumed>) = 0 [pid 6430] <... futex resumed>) = 0 [pid 6428] exit_group(0 [pid 6436] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6435] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6434] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6432] <... futex resumed>) = ? [pid 6431] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6428] <... exit_group resumed>) = ? [pid 6436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6435] <... ioctl resumed>) = 0 [pid 6434] <... futex resumed>) = 1 [pid 6433] <... mmap resumed>) = 0x7ff12c95c000 [pid 6432] +++ exited with 0 +++ [pid 6431] <... futex resumed>) = 0 [pid 6428] +++ exited with 0 +++ [pid 6429] <... futex resumed>) = 0 [pid 6436] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6435] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6433] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6431] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6429] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6428, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6436] <... ioctl resumed>) = 0 [pid 6435] <... futex resumed>) = 1 [pid 6434] <... ioctl resumed>) = 0 [pid 6433] <... mprotect resumed>) = 0 [pid 6430] <... futex resumed>) = 0 [pid 6429] <... futex resumed>) = 0 [pid 6436] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6434] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6436] <... futex resumed>) = 1 [pid 6435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6434] <... futex resumed>) = 0 [pid 6431] <... futex resumed>) = 0 [pid 6430] <... futex resumed>) = 0 [pid 6429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6436] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6435] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6434] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6431] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6429] exit_group(0 [pid 6436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6435] <... ioctl resumed>) = 0 [pid 6431] <... futex resumed>) = 0 [pid 6436] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6435] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] <... futex resumed>) = ? [pid 6433] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6431] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6429] <... exit_group resumed>) = ? [pid 6436] <... ioctl resumed>) = 0 [pid 6435] <... futex resumed>) = 1 [pid 6434] +++ exited with 0 +++ [pid 6433] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6430] <... futex resumed>) = 0 [pid 6436] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6430] exit_group(0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6436] <... futex resumed>) = 1 [pid 6435] <... futex resumed>) = ? [pid 6431] <... futex resumed>) = 0 [pid 6430] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6437 attached [pid 6437] set_robust_list(0x555581d606a0, 24) = 0 [pid 6437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6437] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 6438 attached [pid 6437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6436] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6435] +++ exited with 0 +++ [pid 6431] exit_group(0 [pid 6430] +++ exited with 0 +++ [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6437 [pid 6438] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6437] <... openat resumed>) = 3 [pid 6436] <... futex resumed>) = ? [pid 6433] <... clone3 resumed> => {parent_tid=[6438]}, 88) = 6438 [pid 6431] <... exit_group resumed>) = ? [pid 6429] +++ exited with 0 +++ [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6430, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6438] <... rseq resumed>) = 0 [pid 6437] write(3, "1000", 4 [pid 6436] +++ exited with 0 +++ [pid 6433] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6429, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6437] <... write resumed>) = 4 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6438] set_robust_list(0x7ff12c97c9a0, 24 [pid 6437] close(3 [pid 6433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6431] +++ exited with 0 +++ ./strace-static-x86_64: Process 6439 attached [pid 6438] <... set_robust_list resumed>) = 0 [pid 6437] <... close resumed>) = 0 [pid 6433] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6439] set_robust_list(0x555581d606a0, 24 [pid 6438] rt_sigprocmask(SIG_SETMASK, [], [pid 6437] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6431, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6439 [pid 6439] <... set_robust_list resumed>) = 0 [pid 6438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6437] <... futex resumed>) = 0 [pid 6433] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6439] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6438] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6437] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6439] <... prctl resumed>) = 0 [pid 6437] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6441 attached ./strace-static-x86_64: Process 6440 attached [pid 6439] setpgid(0, 0 [pid 6438] <... openat resumed>) = 3 [pid 6437] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6441] set_robust_list(0x555581d606a0, 24 [pid 6439] <... setpgid resumed>) = 0 [pid 6438] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6440 [pid 6440] set_robust_list(0x555581d606a0, 24 [pid 6441] <... set_robust_list resumed>) = 0 [pid 6439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6441] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6440] <... set_robust_list resumed>) = 0 [pid 6439] <... openat resumed>) = 3 [pid 6438] <... futex resumed>) = 1 [pid 6437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6433] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6441 [pid 6433] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] <... prctl resumed>) = 0 [pid 6440] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6438] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6437] <... mmap resumed>) = 0x7ff12c95c000 [pid 6433] <... futex resumed>) = 0 [pid 6439] write(3, "1000", 4 [pid 6433] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6438] <... ioctl resumed>) = 0 [pid 6440] <... prctl resumed>) = 0 [pid 6441] setpgid(0, 0 [pid 6439] <... write resumed>) = 4 [pid 6437] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6441] <... setpgid resumed>) = 0 [pid 6440] setpgid(0, 0 [pid 6439] close(3 [pid 6438] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] <... close resumed>) = 0 [pid 6438] <... futex resumed>) = 1 [pid 6437] <... mprotect resumed>) = 0 [pid 6441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6440] <... setpgid resumed>) = 0 [pid 6439] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6433] <... futex resumed>) = 0 [pid 6441] <... openat resumed>) = 3 [pid 6440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6439] <... futex resumed>) = 0 [pid 6437] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6433] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] write(3, "1000", 4 [pid 6439] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6438] <... futex resumed>) = 0 [pid 6437] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6433] <... futex resumed>) = 1 [pid 6441] <... write resumed>) = 4 [pid 6440] <... openat resumed>) = 3 [pid 6439] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6438] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0}./strace-static-x86_64: Process 6442 attached [pid 6441] close(3 [pid 6440] write(3, "1000", 4 [pid 6439] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6438] <... ioctl resumed>) = 0 [pid 6433] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6442] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6441] <... close resumed>) = 0 [pid 6440] <... write resumed>) = 4 [pid 6439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6438] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] <... clone3 resumed> => {parent_tid=[6442]}, 88) = 6442 [pid 6433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6442] <... rseq resumed>) = 0 [pid 6441] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6440] close(3 [pid 6439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6438] <... futex resumed>) = 0 [pid 6437] rt_sigprocmask(SIG_SETMASK, [], [pid 6433] exit_group(0 [pid 6442] set_robust_list(0x7ff12c97c9a0, 24 [pid 6441] <... futex resumed>) = 0 [pid 6440] <... close resumed>) = 0 [pid 6439] <... mmap resumed>) = 0x7ff12c95c000 [pid 6437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6433] <... exit_group resumed>) = ? [pid 6442] <... set_robust_list resumed>) = 0 [pid 6441] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6440] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6438] +++ exited with 0 +++ [pid 6437] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6442] rt_sigprocmask(SIG_SETMASK, [], [pid 6441] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6440] <... futex resumed>) = 0 [pid 6439] <... mprotect resumed>) = 0 [pid 6437] <... futex resumed>) = 0 [pid 6442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6441] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6440] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6439] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6440] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6439] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6437] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6442] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3 [pid 6441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6440] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6439] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6433] +++ exited with 0 +++ ./strace-static-x86_64: Process 6443 attached [pid 6442] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] <... mmap resumed>) = 0x7ff12c95c000 [pid 6440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6443] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6442] <... futex resumed>) = 1 [pid 6441] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6439] <... clone3 resumed> => {parent_tid=[6443]}, 88) = 6443 [pid 6437] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6433, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6443] <... rseq resumed>) = 0 [pid 6442] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6441] <... mprotect resumed>) = 0 [pid 6440] <... mmap resumed>) = 0x7ff12c95c000 [pid 6439] rt_sigprocmask(SIG_SETMASK, [], [pid 6437] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] set_robust_list(0x7ff12c97c9a0, 24 [pid 6442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6441] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6440] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6437] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6444 attached [pid 6443] <... set_robust_list resumed>) = 0 [pid 6442] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6441] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6440] <... mprotect resumed>) = 0 [pid 6439] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6443] rt_sigprocmask(SIG_SETMASK, [], [pid 6442] <... ioctl resumed>) = 0 [pid 6441] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6440] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6445 attached [pid 6444] set_robust_list(0x555581d606a0, 24 [pid 6443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6442] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6440] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6439] <... futex resumed>) = 0 [pid 6445] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6444] <... set_robust_list resumed>) = 0 [pid 6443] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6442] <... futex resumed>) = 1 [pid 6441] <... clone3 resumed> => {parent_tid=[6445]}, 88) = 6445 [pid 6440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6439] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6437] <... futex resumed>) = 0 [pid 6445] <... rseq resumed>) = 0 [pid 6444] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6443] <... openat resumed>) = 3 [pid 6442] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6441] rt_sigprocmask(SIG_SETMASK, [], [pid 6437] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... clone resumed>, child_tidptr=0x555581d60690) = 6444 ./strace-static-x86_64: Process 6446 attached [pid 6445] set_robust_list(0x7ff12c97c9a0, 24 [pid 6444] <... prctl resumed>) = 0 [pid 6443] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6440] <... clone3 resumed> => {parent_tid=[6446]}, 88) = 6446 [pid 6437] <... futex resumed>) = 0 [pid 6446] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6445] <... set_robust_list resumed>) = 0 [pid 6444] setpgid(0, 0 [pid 6443] <... futex resumed>) = 1 [pid 6442] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6441] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6440] rt_sigprocmask(SIG_SETMASK, [], [pid 6439] <... futex resumed>) = 0 [pid 6437] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6446] <... rseq resumed>) = 0 [pid 6445] rt_sigprocmask(SIG_SETMASK, [], [pid 6444] <... setpgid resumed>) = 0 [pid 6443] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6442] <... ioctl resumed>) = 0 [pid 6441] <... futex resumed>) = 0 [pid 6440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6439] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6446] set_robust_list(0x7ff12c97c9a0, 24 [pid 6445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6442] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6440] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] <... futex resumed>) = 0 [pid 6446] <... set_robust_list resumed>) = 0 [pid 6445] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6444] <... openat resumed>) = 3 [pid 6443] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6442] <... futex resumed>) = 1 [pid 6440] <... futex resumed>) = 0 [pid 6439] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6437] <... futex resumed>) = 0 [pid 6446] rt_sigprocmask(SIG_SETMASK, [], [pid 6445] <... openat resumed>) = 3 [pid 6444] write(3, "1000", 4 [pid 6443] <... ioctl resumed>) = 0 [pid 6442] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6440] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6437] exit_group(0 [pid 6446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6445] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] <... write resumed>) = 4 [pid 6443] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6442] <... futex resumed>) = ? [pid 6437] <... exit_group resumed>) = ? [pid 6446] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6444] close(3 [pid 6443] <... futex resumed>) = 1 [pid 6442] +++ exited with 0 +++ [pid 6439] <... futex resumed>) = 0 [pid 6446] <... openat resumed>) = 3 [pid 6445] <... futex resumed>) = 1 [pid 6444] <... close resumed>) = 0 [pid 6443] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6441] <... futex resumed>) = 0 [pid 6439] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] +++ exited with 0 +++ [pid 6445] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6439] <... futex resumed>) = 0 [pid 6444] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... ioctl resumed>) = 0 [pid 6441] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6446] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] <... futex resumed>) = 0 [pid 6444] <... futex resumed>) = 0 [pid 6443] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] <... futex resumed>) = 1 [pid 6439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6446] <... futex resumed>) = 1 [pid 6445] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6444] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6443] <... futex resumed>) = 0 [pid 6440] <... futex resumed>) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6437, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6446] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6445] <... ioctl resumed>) = 0 [pid 6444] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6443] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6441] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6440] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] exit_group(0 [pid 6446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6445] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6443] <... futex resumed>) = ? [pid 6441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6440] <... futex resumed>) = 0 [pid 6439] <... exit_group resumed>) = ? [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6447 attached [pid 6446] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6445] <... futex resumed>) = 0 [pid 6444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6443] +++ exited with 0 +++ [pid 6441] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6440] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6439] +++ exited with 0 +++ [pid 6447] set_robust_list(0x555581d606a0, 24 [pid 6446] <... ioctl resumed>) = 0 [pid 6445] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6441] <... futex resumed>) = 0 [pid 6447] <... set_robust_list resumed>) = 0 [pid 6446] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6447] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6446] <... futex resumed>) = 1 [pid 6445] <... ioctl resumed>) = 0 [pid 6444] <... mmap resumed>) = 0x7ff12c95c000 [pid 6440] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6439, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6447] <... prctl resumed>) = 0 [pid 6446] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6445] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6440] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6447] setpgid(0, 0 [pid 6446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6445] <... futex resumed>) = 1 [pid 6444] <... mprotect resumed>) = 0 [pid 6441] <... futex resumed>) = 0 [pid 6440] <... futex resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555581d60690) = 6447 [pid 6445] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6441] exit_group(0 [pid 6445] <... futex resumed>) = ? [pid 6441] <... exit_group resumed>) = ? [pid 6445] +++ exited with 0 +++ [pid 6447] <... setpgid resumed>) = 0 [pid 6446] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6444] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6441] +++ exited with 0 +++ [pid 6440] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6448 attached [pid 6447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6446] <... ioctl resumed>) = 0 [pid 6444] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6441, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5070] <... clone resumed>, child_tidptr=0x555581d60690) = 6448 [pid 6448] set_robust_list(0x555581d606a0, 24 [pid 6446] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6446] <... futex resumed>) = 1 [pid 6440] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6449 attached [pid 6448] <... set_robust_list resumed>) = 0 [pid 6447] <... openat resumed>) = 3 [pid 6446] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6440] exit_group(0 [pid 6449] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6448] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6447] write(3, "1000", 4 [pid 6446] <... futex resumed>) = ? [pid 6444] <... clone3 resumed> => {parent_tid=[6449]}, 88) = 6449 [pid 6440] <... exit_group resumed>) = ? [pid 6449] <... rseq resumed>) = 0 [pid 6446] +++ exited with 0 +++ [pid 6444] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6449] set_robust_list(0x7ff12c97c9a0, 24 [pid 6447] <... write resumed>) = 4 [pid 6444] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] <... set_robust_list resumed>) = 0 [pid 6447] close(3 [pid 6444] <... futex resumed>) = 0 [pid 6449] rt_sigprocmask(SIG_SETMASK, [], [pid 6444] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6447] <... close resumed>) = 0 [pid 6448] <... prctl resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6450 attached [pid 6449] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6448] setpgid(0, 0 [pid 6447] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6440] +++ exited with 0 +++ [pid 6448] <... setpgid resumed>) = 0 [pid 6447] <... futex resumed>) = 0 [pid 6450] set_robust_list(0x555581d606a0, 24 [pid 6449] <... openat resumed>) = 3 [pid 6448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6447] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6440, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6450] <... set_robust_list resumed>) = 0 [pid 6449] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6448] <... openat resumed>) = 3 [pid 6447] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6450] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6449] <... futex resumed>) = 1 [pid 6444] <... futex resumed>) = 0 [pid 6447] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6448] write(3, "1000", 4 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6451 attached [pid 6450] <... prctl resumed>) = 0 [pid 6449] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6448] <... write resumed>) = 4 [pid 6447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6444] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, child_tidptr=0x555581d60690) = 6450 [pid 6449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6448] close(3 [pid 6447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6444] <... futex resumed>) = 0 [pid 6448] <... close resumed>) = 0 [pid 6448] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6448] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, NULL, 8) = 0 [pid 6448] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5065] <... clone resumed>, child_tidptr=0x555581d60690) = 6451 [pid 6448] <... mmap resumed>) = 0x7ff12c95c000 [pid 6448] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6450] setpgid(0, 0 [pid 6448] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6447] <... mmap resumed>) = 0x7ff12c95c000 [pid 6444] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6451] set_robust_list(0x555581d606a0, 24) = 0 [pid 6450] <... setpgid resumed>) = 0 [pid 6449] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6448] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6447] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6451] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6449] <... ioctl resumed>) = 0 [pid 6447] <... mprotect resumed>) = 0 [pid 6449] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6449] <... futex resumed>) = 1 [pid 6448] <... clone3 resumed> => {parent_tid=[6452]}, 88) = 6452 [pid 6444] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6452 attached [pid 6451] <... prctl resumed>) = 0 [pid 6449] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6448] rt_sigprocmask(SIG_SETMASK, [], [pid 6444] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6452] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6451] setpgid(0, 0 [pid 6450] <... openat resumed>) = 3 [pid 6449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6447] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff12c97c990, parent_tid=0x7ff12c97c990, exit_signal=0, stack=0x7ff12c95c000, stack_size=0x20300, tls=0x7ff12c97c6c0} [pid 6444] <... futex resumed>) = 0 [pid 6452] <... rseq resumed>) = 0 [pid 6451] <... setpgid resumed>) = 0 [pid 6450] write(3, "1000", 4 [pid 6449] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 6448] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6452] set_robust_list(0x7ff12c97c9a0, 24 [pid 6450] <... write resumed>) = 4 [pid 6449] <... ioctl resumed>) = 0 [pid 6448] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6453 attached [pid 6451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6450] close(3 [pid 6449] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6448] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6453] rseq(0x7ff12c97cfe0, 0x20, 0, 0x53053053 [pid 6452] <... set_robust_list resumed>) = 0 [pid 6449] <... futex resumed>) = 1 [pid 6444] <... futex resumed>) = 0 [pid 6453] <... rseq resumed>) = 0 [pid 6452] rt_sigprocmask(SIG_SETMASK, [], [pid 6450] <... close resumed>) = 0 [pid 6449] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6444] exit_group(0 [pid 6453] set_robust_list(0x7ff12c97c9a0, 24 [pid 6452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6449] <... futex resumed>) = ? [pid 6447] <... clone3 resumed> => {parent_tid=[6453]}, 88) = 6453 [pid 6444] <... exit_group resumed>) = ? [pid 6453] <... set_robust_list resumed>) = 0 [pid 6450] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6450] <... futex resumed>) = 0 [pid 6453] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6452] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6451] <... openat resumed>) = 3 [pid 6450] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6447] rt_sigprocmask(SIG_SETMASK, [], [pid 6452] <... openat resumed>) = 3 [pid 6450] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6451] write(3, "1000", 4 [pid 6452] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] <... write resumed>) = 4 [pid 6450] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6447] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] <... futex resumed>) = 0 [pid 6452] <... futex resumed>) = 1 [pid 6451] close(3 [pid 6450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6449] +++ exited with 0 +++ [pid 6448] <... futex resumed>) = 0 [pid 6447] <... futex resumed>) = 1 [pid 6444] +++ exited with 0 +++ [pid 6453] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 6452] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6451] <... close resumed>) = 0 [pid 6450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6448] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6453] <... openat resumed>) = 3 [pid 6452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6451] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6450] <... mmap resumed>) = 0x7ff12c95c000 [pid 6448] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6444, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6453] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080 [pid 6451] <... futex resumed>) = 0 [pid 6450] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6448] futex(0x7ff12ca4b30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6453] <... futex resumed>) = 1 [pid 6452] <... ioctl resumed>) = 0 [pid 6451] rt_sigaction(SIGRT_1, {sa_handler=0x7ff12c9e7310, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff12c9d8990}, [pid 6447] <... futex resumed>) = 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 6453] futex(0x7ff12ca4b308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6451] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] <... restart_syscall resumed>) = 0 [pid 6451] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff12c95c000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6454 attached [pid 6452] futex(0x7ff12ca4b30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] mprotect(0x7ff12c95d000, 131072, PROT_READ|PROT_WRITE [pid 6450] <... mprotect resumed>) = 0 [pid 6447] futex(0x7ff12ca4b308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] <... futex resumed>) = 1 [pid 6451] <... mprotect resumed>) = 0 [pid 6448] <... futex resumed>) = 0