./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3269826162 <...> t_sigprocmask resumed>[], 8) = 0 [pid 27291] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27281] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27293] <... mprotect resumed>) = 0 [pid 27292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27290] <... clone3 resumed> => {parent_tid=[27296]}, 88) = 27296 [pid 27281] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27298 attached ./strace-static-x86_64: Process 27297 attached ./strace-static-x86_64: Process 27294 attached [pid 27295] <... set_robust_list resumed>) = 0 [pid 27293] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27290] rt_sigprocmask(SIG_SETMASK, [], [pid 27298] set_robust_list(0x7f02635cc9a0, 24 [pid 27297] set_robust_list(0x7f02635cc9a0, 24 [pid 27295] rt_sigprocmask(SIG_SETMASK, [], [pid 27294] set_robust_list(0x7f02635ab9a0, 24 [pid 27293] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27292] <... clone3 resumed> => {parent_tid=[27297]}, 88) = 27297 [pid 27291] <... clone3 resumed> => {parent_tid=[27298]}, 88) = 27298 [pid 27290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27281] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27294] <... set_robust_list resumed>) = 0 [pid 27293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27292] rt_sigprocmask(SIG_SETMASK, [], [pid 27291] rt_sigprocmask(SIG_SETMASK, [], [pid 27290] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27298] <... set_robust_list resumed>) = 0 [pid 27297] <... set_robust_list resumed>) = 0 [pid 27295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27294] rt_sigprocmask(SIG_SETMASK, [], [pid 27292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27290] <... futex resumed>) = 0 [pid 27294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27293] <... clone3 resumed> => {parent_tid=[27299]}, 88) = 27299 [pid 27292] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27291] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27290] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27295] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27297] rt_sigprocmask(SIG_SETMASK, [], [pid 27298] rt_sigprocmask(SIG_SETMASK, [], [pid 27294] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27293] rt_sigprocmask(SIG_SETMASK, [], [pid 27292] <... futex resumed>) = 0 [pid 27291] <... futex resumed>) = 0 [pid 27294] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27292] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27291] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27294] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27293] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27295] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27294] <... futex resumed>) = 1 [pid 27293] <... futex resumed>) = 0 [pid 27294] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27293] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27295] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27283] <... futex resumed>) = 0 [pid 27297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27283] exit_group(0 [pid 27295] <... futex resumed>) = 1 [pid 27281] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27296 attached [pid 27295] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27294] <... futex resumed>) = ? [pid 27288] <... futex resumed>) = ? [pid 27283] <... exit_group resumed>) = ? [pid 27281] exit_group(0 [pid 27296] set_robust_list(0x7f02635cc9a0, 24 [pid 27294] +++ exited with 0 +++ [pid 27288] +++ exited with 0 +++ [pid 27289] <... futex resumed>) = ? [pid 27281] <... exit_group resumed>) = ? [pid 27296] <... set_robust_list resumed>) = 0 [pid 27296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27296] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW) = 3 ./strace-static-x86_64: Process 27299 attached [pid 27296] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27283] +++ exited with 0 +++ [pid 27289] +++ exited with 0 +++ [pid 27299] set_robust_list(0x7f02635cc9a0, 24 [pid 27296] <... futex resumed>) = 1 [pid 27295] <... futex resumed>) = ? [pid 27290] <... futex resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27283, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27299] <... set_robust_list resumed>) = 0 [pid 27296] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27290] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 27299] rt_sigprocmask(SIG_SETMASK, [], [pid 27296] <... write resumed>) = 9 [pid 27290] <... futex resumed>) = 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 27299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27296] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27290] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27299] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27296] <... futex resumed>) = 0 [pid 27290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27299] <... openat resumed>) = 3 [pid 27296] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27290] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27300 attached [pid 27299] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27298] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27297] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27296] <... write resumed>) = 10 [pid 27295] +++ exited with 0 +++ [pid 27290] <... futex resumed>) = 0 [pid 27281] +++ exited with 0 +++ [pid 27299] <... futex resumed>) = 1 [pid 27296] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27293] <... futex resumed>) = 0 [pid 27290] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27281, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27300 [pid 27299] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27296] <... futex resumed>) = 0 [pid 27293] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27290] <... futex resumed>) = 0 [pid 27299] <... write resumed>) = 9 [pid 27296] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27293] <... futex resumed>) = 0 [pid 27290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27299] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27293] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27290] <... mmap resumed>) = 0x7f026358b000 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27301 attached [pid 27300] set_robust_list(0x555555eba6a0, 24 [pid 27299] <... futex resumed>) = 0 [pid 27298] <... openat resumed>) = 3 [pid 27297] <... openat resumed>) = 3 [pid 27293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27290] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27300] <... set_robust_list resumed>) = 0 [pid 27299] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27298] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27297] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27293] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27290] <... mprotect resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27301 [pid 27299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27293] <... futex resumed>) = 0 [pid 27290] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27299] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27298] <... futex resumed>) = 1 [pid 27297] <... futex resumed>) = 1 [pid 27293] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27292] <... futex resumed>) = 0 [pid 27291] <... futex resumed>) = 0 [pid 27290] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27301] set_robust_list(0x555555eba6a0, 24 [pid 27300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27299] <... write resumed>) = 10 [pid 27298] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27297] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27293] <... futex resumed>) = 0 [pid 27292] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27291] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27299] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27292] <... futex resumed>) = 0 [pid 27291] <... futex resumed>) = 0 [pid 27299] <... futex resumed>) = 0 [pid 27293] <... mmap resumed>) = 0x7f026358b000 [pid 27292] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27291] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27290] <... clone3 resumed> => {parent_tid=[27302]}, 88) = 27302 [pid 27299] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27293] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27290] rt_sigprocmask(SIG_SETMASK, [], [pid 27298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27293] <... mprotect resumed>) = 0 [pid 27290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27293] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27290] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27293] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27290] <... futex resumed>) = 0 [pid 27293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27290] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27293] <... clone3 resumed> => {parent_tid=[27303]}, 88) = 27303 [pid 27300] <... prctl resumed>) = 0 [pid 27298] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27297] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27293] rt_sigprocmask(SIG_SETMASK, [], [pid 27301] <... set_robust_list resumed>) = 0 [pid 27300] setpgid(0, 0 [pid 27298] <... write resumed>) = 9 [pid 27297] <... write resumed>) = 9 [pid 27293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27300] <... setpgid resumed>) = 0 [pid 27298] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27297] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27293] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27298] <... futex resumed>) = 1 [pid 27297] <... futex resumed>) = 1 [pid 27293] <... futex resumed>) = 0 [pid 27292] <... futex resumed>) = 0 [pid 27291] <... futex resumed>) = 0 [pid 27300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27298] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27297] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27293] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27292] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27291] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27300] <... openat resumed>) = 3 [pid 27298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27292] <... futex resumed>) = 0 [pid 27291] <... futex resumed>) = 0 [pid 27300] write(3, "1000", 4 [pid 27298] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27297] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27292] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27291] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27300] <... write resumed>) = 4 [pid 27298] <... write resumed>) = 10 [pid 27297] <... write resumed>) = 10 [pid 27292] <... futex resumed>) = 0 [pid 27291] <... futex resumed>) = 0 [pid 27300] close(3 [pid 27298] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27297] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27300] <... close resumed>) = 0 [pid 27298] <... futex resumed>) = 0 [pid 27297] <... futex resumed>) = 0 [pid 27292] <... mmap resumed>) = 0x7f026358b000 [pid 27291] <... mmap resumed>) = 0x7f026358b000 [pid 27300] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27298] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27297] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27292] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27291] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27300] <... futex resumed>) = 0 [pid 27292] <... mprotect resumed>) = 0 [pid 27291] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 27303 attached [pid 27301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27300] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27292] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27291] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27300] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27292] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27291] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27303] set_robust_list(0x7f02635ab9a0, 24 [pid 27301] <... prctl resumed>) = 0 [pid 27300] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0}./strace-static-x86_64: Process 27305 attached ./strace-static-x86_64: Process 27302 attached [pid 27303] <... set_robust_list resumed>) = 0 [pid 27301] setpgid(0, 0 [pid 27300] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27302] set_robust_list(0x7f02635ab9a0, 24 [pid 27292] <... clone3 resumed> => {parent_tid=[27304]}, 88) = 27304 [pid 27300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27291] <... clone3 resumed> => {parent_tid=[27305]}, 88) = 27305 [pid 27301] <... setpgid resumed>) = 0 [pid 27303] rt_sigprocmask(SIG_SETMASK, [], [pid 27305] set_robust_list(0x7f02635ab9a0, 24 [pid 27302] <... set_robust_list resumed>) = 0 [pid 27292] rt_sigprocmask(SIG_SETMASK, [], [pid 27291] rt_sigprocmask(SIG_SETMASK, [], [pid 27302] rt_sigprocmask(SIG_SETMASK, [], [pid 27292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27292] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27291] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27302] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27292] <... futex resumed>) = 0 [pid 27291] <... futex resumed>) = 0 [pid 27300] <... mmap resumed>) = 0x7f02635ac000 [pid 27302] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27292] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27291] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27302] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 27300] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27290] <... futex resumed>) = 0 [pid 27302] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27290] exit_group(0 [pid 27300] <... mprotect resumed>) = 0 [pid 27302] <... futex resumed>) = ? [pid 27296] <... futex resumed>) = ? [pid 27290] <... exit_group resumed>) = ? [pid 27305] <... set_robust_list resumed>) = 0 [pid 27303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27302] +++ exited with 0 +++ [pid 27301] <... openat resumed>) = 3 [pid 27300] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27296] +++ exited with 0 +++ [pid 27290] +++ exited with 0 +++ ./strace-static-x86_64: Process 27304 attached [pid 27305] rt_sigprocmask(SIG_SETMASK, [], [pid 27303] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27301] write(3, "1000", 4 [pid 27300] <... rt_sigprocmask resumed>[], 8) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 27305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27305] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10) = -1 EINVAL (Invalid argument) [pid 27305] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 27291] <... futex resumed>) = 0 [pid 27305] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27291] exit_group(0 [pid 27305] <... futex resumed>) = ? [pid 27298] <... futex resumed>) = ? [pid 27291] <... exit_group resumed>) = ? [pid 294] <... restart_syscall resumed>) = 0 [pid 27305] +++ exited with 0 +++ [pid 27304] set_robust_list(0x7f02635ab9a0, 24 [pid 27303] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27301] <... write resumed>) = 4 [pid 27300] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27298] +++ exited with 0 +++ [pid 27303] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27301] close(3 [pid 27291] +++ exited with 0 +++ ./strace-static-x86_64: Process 27306 attached [pid 27303] <... futex resumed>) = 1 [pid 27301] <... close resumed>) = 0 [pid 27300] <... clone3 resumed> => {parent_tid=[27306]}, 88) = 27306 [pid 27293] <... futex resumed>) = 0 [pid 27304] <... set_robust_list resumed>) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27291, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 27303] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27304] rt_sigprocmask(SIG_SETMASK, [], [pid 27301] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27300] rt_sigprocmask(SIG_SETMASK, [], [pid 27293] exit_group(0 [pid 27306] set_robust_list(0x7f02635cc9a0, 24 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27307 attached [pid 27306] <... set_robust_list resumed>) = 0 [pid 27304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27303] <... futex resumed>) = ? [pid 27301] <... futex resumed>) = 0 [pid 27300] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27299] <... futex resumed>) = ? [pid 27293] <... exit_group resumed>) = ? [pid 27306] rt_sigprocmask(SIG_SETMASK, [], [pid 27304] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27303] +++ exited with 0 +++ [pid 27307] set_robust_list(0x555555eba6a0, 24 [pid 27301] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27300] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27299] +++ exited with 0 +++ [pid 27293] +++ exited with 0 +++ [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27307 ./strace-static-x86_64: Process 27308 attached [pid 27307] <... set_robust_list resumed>) = 0 [pid 27306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27304] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27301] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27300] <... futex resumed>) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27293, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27308] set_robust_list(0x555555eba6a0, 24 [pid 27304] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27301] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27300] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27308 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 27308] <... set_robust_list resumed>) = 0 [pid 27306] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27304] <... futex resumed>) = 1 [pid 27292] <... futex resumed>) = 0 [pid 295] <... restart_syscall resumed>) = 0 [pid 27308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27304] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27292] exit_group(0 [pid 27308] <... prctl resumed>) = 0 [pid 27304] <... futex resumed>) = ? [pid 27301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27297] <... futex resumed>) = ? [pid 27306] <... openat resumed>) = 3 [pid 27292] <... exit_group resumed>) = ? [pid 27308] setpgid(0, 0 [pid 27297] +++ exited with 0 +++ [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27308] <... setpgid resumed>) = 0 [pid 27308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27304] +++ exited with 0 +++ [pid 27301] <... mmap resumed>) = 0x7f02635ac000 [pid 27292] +++ exited with 0 +++ [pid 27306] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27309 [pid 27308] <... openat resumed>) = 3 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27292, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27308] write(3, "1000", 4 [pid 27306] <... futex resumed>) = 1 [pid 27301] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27300] <... futex resumed>) = 0 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 27308] <... write resumed>) = 4 [pid 27306] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27301] <... mprotect resumed>) = 0 [pid 27300] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... restart_syscall resumed>) = 0 [pid 27308] close(3) = 0 [pid 27306] <... write resumed>) = 9 [pid 27301] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27300] <... futex resumed>) = 0 [pid 27308] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27306] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27301] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27300] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27309 attached ./strace-static-x86_64: Process 27310 attached [pid 27308] <... futex resumed>) = 0 [pid 27307] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27306] <... futex resumed>) = 0 [pid 27301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27310] set_robust_list(0x555555eba6a0, 24 [pid 27308] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27307] <... prctl resumed>) = 0 [pid 27306] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27310 [pid 27300] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27310] <... set_robust_list resumed>) = 0 [pid 27308] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27300] <... futex resumed>) = 0 [pid 27306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27308] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27306] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27301] <... clone3 resumed> => {parent_tid=[27311]}, 88) = 27311 [pid 27300] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27310] <... prctl resumed>) = 0 [pid 27308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27306] <... write resumed>) = 10 [pid 27301] rt_sigprocmask(SIG_SETMASK, [], [pid 27300] <... futex resumed>) = 0 [pid 27310] setpgid(0, 0 [pid 27308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27306] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27310] <... setpgid resumed>) = 0 [pid 27308] <... mmap resumed>) = 0x7f02635ac000 [pid 27310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27308] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27306] <... futex resumed>) = 0 [pid 27301] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27300] <... mmap resumed>) = 0x7f026358b000 [pid 27310] <... openat resumed>) = 3 [pid 27308] <... mprotect resumed>) = 0 [pid 27306] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27300] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27301] <... futex resumed>) = 0 [pid 27310] write(3, "1000", 4 [pid 27309] set_robust_list(0x555555eba6a0, 24 [pid 27308] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27307] setpgid(0, 0./strace-static-x86_64: Process 27311 attached [pid 27310] <... write resumed>) = 4 [pid 27308] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27307] <... setpgid resumed>) = 0 [pid 27301] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27309] <... set_robust_list resumed>) = 0 [pid 27300] <... mprotect resumed>) = 0 [pid 27310] close(3 [pid 27308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27300] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27310] <... close resumed>) = 0 [pid 27300] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27310] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27308] <... clone3 resumed> => {parent_tid=[27312]}, 88) = 27312 [pid 27300] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27310] <... futex resumed>) = 0 [pid 27308] rt_sigprocmask(SIG_SETMASK, [], [pid 27307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27310] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27310] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27308] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27310] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27308] <... futex resumed>) = 0 [pid 27300] <... clone3 resumed> => {parent_tid=[27313]}, 88) = 27313 [pid 27310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27308] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27300] rt_sigprocmask(SIG_SETMASK, [], [pid 27310] <... mmap resumed>) = 0x7f02635ac000 [pid 27300] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27307] <... openat resumed>) = 3 [pid 27310] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27300] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27310] <... mprotect resumed>) = 0 [pid 27307] write(3, "1000", 4 [pid 27300] <... futex resumed>) = 0 [pid 27310] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27307] <... write resumed>) = 4 [pid 27300] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27310] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27307] close(3 [pid 27310] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} => {parent_tid=[27314]}, 88) = 27314 [pid 27310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27310] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27310] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27313 attached [pid 27313] set_robust_list(0x7f02635ab9a0, 24) = 0 [pid 27313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27307] <... close resumed>) = 0 [pid 27309] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27307] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27313] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27311] set_robust_list(0x7f02635cc9a0, 24 [pid 27309] <... prctl resumed>) = 0 [pid 27307] <... futex resumed>) = 0 [pid 27313] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27307] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27309] setpgid(0, 0 [pid 27313] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27312 attached ) = 1 [pid 27309] <... setpgid resumed>) = 0 [pid 27307] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27300] <... futex resumed>) = 0 [pid 27313] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27312] set_robust_list(0x7f02635cc9a0, 24 [pid 27307] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27300] exit_group(0 [pid 27313] <... futex resumed>) = ? [pid 27312] <... set_robust_list resumed>) = 0 [pid 27309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27306] <... futex resumed>) = ? [pid 27300] <... exit_group resumed>) = ? [pid 27313] +++ exited with 0 +++ [pid 27312] rt_sigprocmask(SIG_SETMASK, [], [pid 27307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27306] +++ exited with 0 +++ [pid 27312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27312] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW) = 3 [pid 27300] +++ exited with 0 +++ [pid 27312] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27307] <... mmap resumed>) = 0x7f02635ac000 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27300, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27309] <... openat resumed>) = 3 [pid 27312] <... futex resumed>) = 1 [pid 27308] <... futex resumed>) = 0 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 27312] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27308] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27314 attached [pid 27312] <... write resumed>) = 9 [pid 27308] <... futex resumed>) = 0 [pid 27314] set_robust_list(0x7f02635cc9a0, 24 [pid 27312] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27308] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27314] <... set_robust_list resumed>) = 0 [pid 27312] <... futex resumed>) = 0 [pid 27308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27314] rt_sigprocmask(SIG_SETMASK, [], [pid 27312] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27308] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... restart_syscall resumed>) = 0 [pid 27314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27312] <... write resumed>) = 10 [pid 27308] <... futex resumed>) = 0 [pid 27314] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27312] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27311] <... set_robust_list resumed>) = 0 [pid 27309] write(3, "1000", 4 [pid 27308] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27307] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27314] <... openat resumed>) = 3 [pid 27312] <... futex resumed>) = 0 [pid 27308] <... futex resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27314] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27312] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27311] rt_sigprocmask(SIG_SETMASK, [], [pid 27309] <... write resumed>) = 4 [pid 27308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27307] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 27315 attached [pid 27314] <... futex resumed>) = 1 [pid 27311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27310] <... futex resumed>) = 0 [pid 27309] close(3 [pid 27308] <... mmap resumed>) = 0x7f026358b000 [pid 27315] set_robust_list(0x555555eba6a0, 24 [pid 27314] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27311] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27310] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27309] <... close resumed>) = 0 [pid 27308] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27307] rt_sigprocmask(SIG_BLOCK, ~[], [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27315 [pid 27315] <... set_robust_list resumed>) = 0 [pid 27314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27311] <... openat resumed>) = 3 [pid 27310] <... futex resumed>) = 0 [pid 27309] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27308] <... mprotect resumed>) = 0 [pid 27307] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27314] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27311] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27310] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27309] <... futex resumed>) = 0 [pid 27308] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27307] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27315] <... prctl resumed>) = 0 [pid 27314] <... write resumed>) = 9 [pid 27311] <... futex resumed>) = 1 [pid 27309] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27308] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27301] <... futex resumed>) = 0 [pid 27315] setpgid(0, 0 [pid 27314] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27311] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27301] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27307] <... clone3 resumed> => {parent_tid=[27316]}, 88) = 27316 [pid 27309] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27315] <... setpgid resumed>) = 0 [pid 27314] <... futex resumed>) = 1 [pid 27311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27310] <... futex resumed>) = 0 [pid 27309] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27307] rt_sigprocmask(SIG_SETMASK, [], [pid 27301] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27317 attached ./strace-static-x86_64: Process 27316 attached [pid 27315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27314] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27311] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27310] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27308] <... clone3 resumed> => {parent_tid=[27317]}, 88) = 27317 [pid 27307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27301] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27317] set_robust_list(0x7f02635ab9a0, 24 [pid 27316] set_robust_list(0x7f02635cc9a0, 24 [pid 27315] <... openat resumed>) = 3 [pid 27314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27310] <... futex resumed>) = 0 [pid 27308] rt_sigprocmask(SIG_SETMASK, [], [pid 27307] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27317] <... set_robust_list resumed>) = 0 [pid 27316] <... set_robust_list resumed>) = 0 [pid 27315] write(3, "1000", 4 [pid 27314] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27311] <... write resumed>) = 9 [pid 27310] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27315] <... write resumed>) = 4 [pid 27314] <... write resumed>) = 10 [pid 27310] <... futex resumed>) = 0 [pid 27308] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27315] close(3 [pid 27314] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27308] <... futex resumed>) = 0 [pid 27315] <... close resumed>) = 0 [pid 27314] <... futex resumed>) = 0 [pid 27310] <... mmap resumed>) = 0x7f026358b000 [pid 27308] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27315] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27314] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27310] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27315] <... futex resumed>) = 0 [pid 27310] <... mprotect resumed>) = 0 [pid 27317] rt_sigprocmask(SIG_SETMASK, [], [pid 27316] rt_sigprocmask(SIG_SETMASK, [], [pid 27315] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27311] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27310] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27309] <... mmap resumed>) = 0x7f02635ac000 [pid 27307] <... futex resumed>) = 0 [pid 27315] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27311] <... futex resumed>) = 1 [pid 27310] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27309] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27307] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27301] <... futex resumed>) = 0 [pid 27315] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27311] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27310] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27309] <... mprotect resumed>) = 0 [pid 27301] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27311] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27310] <... clone3 resumed> => {parent_tid=[27318]}, 88) = 27318 [pid 27309] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27301] <... futex resumed>) = 0 [pid 27317] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27316] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 27318 attached [pid 27315] <... mmap resumed>) = 0x7f02635ac000 [pid 27310] rt_sigprocmask(SIG_SETMASK, [], [pid 27315] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27315] <... mprotect resumed>) = 0 [pid 27310] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27317] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27315] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27311] <... write resumed>) = 10 [pid 27310] <... futex resumed>) = 0 [pid 27309] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27301] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27317] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27315] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27310] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27317] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27316] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27315] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27311] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27318] set_robust_list(0x7f02635ab9a0, 24 [pid 27309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27301] <... futex resumed>) = 0 [pid 27317] <... futex resumed>) = 1 [pid 27316] <... openat resumed>) = 3 [pid 27308] <... futex resumed>) = 0 [pid 27315] <... clone3 resumed> => {parent_tid=[27319]}, 88) = 27319 [pid 27308] exit_group(0 [pid 27315] rt_sigprocmask(SIG_SETMASK, [], [pid 27312] <... futex resumed>) = ? [pid 27308] <... exit_group resumed>) = ? [pid 27315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27312] +++ exited with 0 +++ [pid 27301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27315] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27311] <... futex resumed>) = 0 [pid 27315] <... futex resumed>) = 0 [pid 27315] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27301] <... mmap resumed>) = 0x7f026358b000 ./strace-static-x86_64: Process 27320 attached [pid 27320] set_robust_list(0x7f02635cc9a0, 24) = 0 [pid 27320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27320] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27317] +++ exited with 0 +++ [pid 27308] +++ exited with 0 +++ [pid 27301] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27309] <... clone3 resumed> => {parent_tid=[27320]}, 88) = 27320 [pid 27311] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27301] <... mprotect resumed>) = 0 [pid 27309] rt_sigprocmask(SIG_SETMASK, [], [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 27309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27301] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] <... restart_syscall resumed>) = 0 [pid 27309] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27301] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27316] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27319 attached [pid 27318] <... set_robust_list resumed>) = 0 [pid 27309] <... futex resumed>) = 0 [pid 27301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27322 attached [pid 27320] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27319] set_robust_list(0x7f02635cc9a0, 24 [pid 27318] rt_sigprocmask(SIG_SETMASK, [], [pid 27316] <... futex resumed>) = 1 [pid 27309] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27307] <... futex resumed>) = 0 [pid 27320] <... openat resumed>) = 3 [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27322 [pid 27320] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27318] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27316] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27307] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27301] <... clone3 resumed> => {parent_tid=[27321]}, 88) = 27321 [pid 27320] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 27321 attached [pid 27316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27309] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27301] rt_sigprocmask(SIG_SETMASK, [], [pid 27307] <... futex resumed>) = 0 [pid 27318] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27319] <... set_robust_list resumed>) = 0 [pid 27321] set_robust_list(0x7f02635ab9a0, 24 [pid 27316] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27320] <... futex resumed>) = 0 [pid 27318] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27309] <... futex resumed>) = 1 [pid 27307] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27320] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9) = 9 [pid 27301] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27320] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27318] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27316] <... write resumed>) = 9 [pid 27309] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27319] rt_sigprocmask(SIG_SETMASK, [], [pid 27301] <... futex resumed>) = 0 [pid 27322] set_robust_list(0x555555eba6a0, 24 [pid 27320] <... futex resumed>) = 0 [pid 27320] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27316] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27301] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27322] <... set_robust_list resumed>) = 0 [pid 27319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27318] <... futex resumed>) = 1 [pid 27310] <... futex resumed>) = 0 [pid 27318] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27310] exit_group(0 [pid 27321] <... set_robust_list resumed>) = 0 [pid 27318] <... futex resumed>) = ? [pid 27316] <... futex resumed>) = 1 [pid 27314] <... futex resumed>) = ? [pid 27310] <... exit_group resumed>) = ? [pid 27309] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27307] <... futex resumed>) = 0 [pid 27322] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27321] rt_sigprocmask(SIG_SETMASK, [], [pid 27319] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27318] +++ exited with 0 +++ [pid 27320] <... futex resumed>) = 0 [pid 27316] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27314] +++ exited with 0 +++ [pid 27310] +++ exited with 0 +++ [pid 27309] <... futex resumed>) = 1 [pid 27307] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27320] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27309] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27307] <... futex resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27321] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27320] <... write resumed>) = 10 [pid 27316] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27309] <... futex resumed>) = 0 [pid 27307] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27322] <... prctl resumed>) = 0 [pid 27321] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27320] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27319] <... openat resumed>) = 3 [pid 27316] <... write resumed>) = 10 [pid 27309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27307] <... futex resumed>) = 0 [pid 27321] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27320] <... futex resumed>) = 0 [pid 27319] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27316] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27309] <... mmap resumed>) = 0x7f026358b000 [pid 27307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27322] setpgid(0, 0 [pid 27321] <... futex resumed>) = 1 [pid 27320] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27319] <... futex resumed>) = 1 [pid 27316] <... futex resumed>) = 0 [pid 27315] <... futex resumed>) = 0 [pid 27309] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27307] <... mmap resumed>) = 0x7f026358b000 [pid 27301] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27323 attached [pid 27321] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27319] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27316] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27315] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27309] <... mprotect resumed>) = 0 [pid 27307] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27301] exit_group(0 [pid 27323] set_robust_list(0x555555eba6a0, 24 [pid 27321] <... futex resumed>) = ? [pid 27319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27315] <... futex resumed>) = 0 [pid 27311] <... futex resumed>) = ? [pid 27309] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27307] <... mprotect resumed>) = 0 [pid 27301] <... exit_group resumed>) = ? [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27323 [pid 27323] <... set_robust_list resumed>) = 0 [pid 27322] <... setpgid resumed>) = 0 [pid 27321] +++ exited with 0 +++ [pid 27319] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27315] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27311] +++ exited with 0 +++ [pid 27309] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27307] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27319] <... write resumed>) = 9 [pid 27309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27307] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27319] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27307] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27319] <... futex resumed>) = 0 [pid 27309] <... clone3 resumed> => {parent_tid=[27324]}, 88) = 27324 [pid 27301] +++ exited with 0 +++ [pid 27315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27319] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27315] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27309] rt_sigprocmask(SIG_SETMASK, [], [pid 27307] <... clone3 resumed> => {parent_tid=[27325]}, 88) = 27325 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27315] <... futex resumed>) = 0 [pid 27309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27307] rt_sigprocmask(SIG_SETMASK, [], [pid 27319] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27309] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27319] <... write resumed>) = 10 [pid 27309] <... futex resumed>) = 0 [pid 27307] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27319] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27309] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27315] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27307] <... futex resumed>) = 0 [pid 27319] <... futex resumed>) = 0 [pid 27307] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27319] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27315] <... futex resumed>) = 0 [pid 27319] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27315] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27319] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27319] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27315] exit_group(0 [pid 27319] <... futex resumed>) = ? [pid 27315] <... exit_group resumed>) = ? [pid 27319] +++ exited with 0 +++ ./strace-static-x86_64: Process 27324 attached [pid 27324] set_robust_list(0x7f02635ab9a0, 24) = 0 [pid 27324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27324] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10) = -1 EINVAL (Invalid argument) [pid 27324] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27309] <... futex resumed>) = 0 [pid 27309] exit_group(0 [pid 27315] +++ exited with 0 +++ [pid 27309] <... exit_group resumed>) = ? [pid 27320] <... futex resumed>) = ? [pid 27320] +++ exited with 0 +++ [pid 27324] <... futex resumed>) = ? [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 27325 attached [pid 27323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 27324] +++ exited with 0 +++ [pid 27323] <... prctl resumed>) = 0 [pid 27322] <... openat resumed>) = 3 [pid 27309] +++ exited with 0 +++ [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... restart_syscall resumed>) = 0 [pid 27325] set_robust_list(0x7f02635ab9a0, 24) = 0 [pid 27325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27325] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10) = -1 EINVAL (Invalid argument) [pid 27325] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27307] <... futex resumed>) = 0 [pid 27307] exit_group(0 [pid 27316] <... futex resumed>) = ? [pid 27307] <... exit_group resumed>) = ? [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27323] setpgid(0, 0 [pid 27316] +++ exited with 0 +++ [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27326 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 27325] <... futex resumed>) = ? [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... restart_syscall resumed>) = 0 [pid 27323] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 27326 attached [pid 27325] +++ exited with 0 +++ [pid 27323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27322] write(3, "1000", 4 [pid 27307] +++ exited with 0 +++ ./strace-static-x86_64: Process 27327 attached [pid 27327] set_robust_list(0x555555eba6a0, 24) = 0 [pid 27323] <... openat resumed>) = 3 [pid 27322] <... write resumed>) = 4 [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27327 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 27327] setpgid(0, 0 [pid 27323] write(3, "1000", 4 [pid 27322] close(3 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 27326] set_robust_list(0x555555eba6a0, 24 [pid 27327] <... setpgid resumed>) = 0 [pid 27327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 294] <... restart_syscall resumed>) = 0 [pid 27327] <... openat resumed>) = 3 [pid 27327] write(3, "1000", 4) = 4 [pid 27327] close(3) = 0 [pid 27327] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27323] <... write resumed>) = 4 [pid 27327] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27323] close(3 [pid 27322] <... close resumed>) = 0 [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27328 [pid 27327] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27327] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 27327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f02635ac000 [pid 27327] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27327] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27323] <... close resumed>) = 0 [pid 27322] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27326] <... set_robust_list resumed>) = 0 [pid 27327] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} => {parent_tid=[27329]}, 88) = 27329 [pid 27323] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27322] <... futex resumed>) = 0 [pid 27327] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27327] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27327] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27329 attached [pid 27329] set_robust_list(0x7f02635cc9a0, 24) = 0 [pid 27322] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27323] <... futex resumed>) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27330 [pid 27329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27329] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27323] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27322] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27329] <... openat resumed>) = 3 [pid 27329] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27322] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27323] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27323] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27322] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27326] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 27328 attached [pid 27323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27326] <... prctl resumed>) = 0 [pid 27327] <... futex resumed>) = 0 [pid 27327] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27327] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27329] <... futex resumed>) = 1 [pid 27329] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9) = 9 [pid 27329] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27327] <... futex resumed>) = 0 [pid 27327] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27327] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 27330 attached [pid 27328] set_robust_list(0x555555eba6a0, 24 [pid 27326] setpgid(0, 0 [pid 27323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27322] <... mmap resumed>) = 0x7f02635ac000 [pid 27327] <... mmap resumed>) = 0x7f026358b000 [pid 27327] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27323] <... mmap resumed>) = 0x7f02635ac000 [pid 27322] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27327] <... mprotect resumed>) = 0 [pid 27322] <... mprotect resumed>) = 0 [pid 27323] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27326] <... setpgid resumed>) = 0 [pid 27330] set_robust_list(0x555555eba6a0, 24 [pid 27329] <... futex resumed>) = 1 [pid 27328] <... set_robust_list resumed>) = 0 [pid 27327] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27323] <... mprotect resumed>) = 0 [pid 27322] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27323] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27322] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27327] <... clone3 resumed> => {parent_tid=[27331]}, 88) = 27331 [pid 27323] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27327] rt_sigprocmask(SIG_SETMASK, [], [pid 27322] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27326] <... openat resumed>) = 3 [pid 27323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27327] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27327] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27326] write(3, "1000", 4 [pid 27322] <... clone3 resumed> => {parent_tid=[27332]}, 88) = 27332 [pid 27326] <... write resumed>) = 4 [pid 27323] <... clone3 resumed> => {parent_tid=[27333]}, 88) = 27333 [pid 27322] rt_sigprocmask(SIG_SETMASK, [], [pid 27326] close(3 [pid 27323] rt_sigprocmask(SIG_SETMASK, [], [pid 27322] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27326] <... close resumed>) = 0 [pid 27323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27322] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27326] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27323] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27322] <... futex resumed>) = 0 [pid 27326] <... futex resumed>) = 0 [pid 27323] <... futex resumed>) = 0 [pid 27322] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27330] <... set_robust_list resumed>) = 0 [pid 27329] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27328] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 27332 attached ./strace-static-x86_64: Process 27333 attached [pid 27333] set_robust_list(0x7f02635cc9a0, 24 [pid 27332] set_robust_list(0x7f02635cc9a0, 24 [pid 27326] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27323] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27326] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27329] <... write resumed>) = 10 [pid 27328] <... prctl resumed>) = 0 [pid 27326] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27329] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27328] setpgid(0, 0 [pid 27326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27333] <... set_robust_list resumed>) = 0 [pid 27333] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27333] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW./strace-static-x86_64: Process 27331 attached [pid 27329] <... futex resumed>) = 0 [pid 27328] <... setpgid resumed>) = 0 [pid 27326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27332] <... set_robust_list resumed>) = 0 [pid 27330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27333] <... openat resumed>) = 3 [pid 27333] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27326] <... mmap resumed>) = 0x7f02635ac000 [pid 27328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27326] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27328] <... openat resumed>) = 3 [pid 27323] <... futex resumed>) = 0 [pid 27323] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27326] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27323] <... futex resumed>) = 0 [pid 27328] write(3, "1000", 4 [pid 27326] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27323] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27328] <... write resumed>) = 4 [pid 27326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27333] <... futex resumed>) = 1 [pid 27332] rt_sigprocmask(SIG_SETMASK, [], [pid 27331] set_robust_list(0x7f02635ab9a0, 24 [pid 27330] <... prctl resumed>) = 0 [pid 27329] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27328] close(3 [pid 27326] <... clone3 resumed> => {parent_tid=[27334]}, 88) = 27334 [pid 27326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27326] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27326] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27330] setpgid(0, 0 [pid 27328] <... close resumed>) = 0 ./strace-static-x86_64: Process 27334 attached [pid 27334] set_robust_list(0x7f02635cc9a0, 24) = 0 [pid 27334] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27328] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27330] <... setpgid resumed>) = 0 [pid 27328] <... futex resumed>) = 0 [pid 27328] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, NULL, 8) = 0 [pid 27330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27328] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 27334] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27333] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27332] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27331] <... set_robust_list resumed>) = 0 [pid 27330] <... openat resumed>) = 3 [pid 27328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27334] <... openat resumed>) = 3 [pid 27330] write(3, "1000", 4 [pid 27328] <... mmap resumed>) = 0x7f02635ac000 [pid 27334] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27333] <... write resumed>) = 9 [pid 27332] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27331] rt_sigprocmask(SIG_SETMASK, [], [pid 27330] <... write resumed>) = 4 [pid 27328] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27334] <... futex resumed>) = 1 [pid 27326] <... futex resumed>) = 0 [pid 27330] close(3 [pid 27328] <... mprotect resumed>) = 0 [pid 27326] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27333] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27328] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27330] <... close resumed>) = 0 [pid 27326] <... futex resumed>) = 0 [pid 27326] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27328] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27330] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27323] <... futex resumed>) = 0 [pid 27323] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27330] <... futex resumed>) = 0 [pid 27323] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27330] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27328] <... clone3 resumed> => {parent_tid=[27335]}, 88) = 27335 [pid 27323] <... futex resumed>) = 0 [pid 27328] rt_sigprocmask(SIG_SETMASK, [], [pid 27330] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27330] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27323] <... mmap resumed>) = 0x7f026358b000 ./strace-static-x86_64: Process 27335 attached [pid 27323] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27335] set_robust_list(0x7f02635cc9a0, 24 [pid 27334] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27333] <... futex resumed>) = 1 [pid 27332] <... openat resumed>) = 3 [pid 27331] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27328] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27323] <... mprotect resumed>) = 0 [pid 27335] <... set_robust_list resumed>) = 0 [pid 27334] <... write resumed>) = 9 [pid 27333] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27328] <... futex resumed>) = 0 [pid 27323] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27331] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27332] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27335] rt_sigprocmask(SIG_SETMASK, [], [pid 27334] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27333] <... write resumed>) = 10 [pid 27330] <... mmap resumed>) = 0x7f02635ac000 [pid 27328] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27323] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27334] <... futex resumed>) = 1 [pid 27333] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27331] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27330] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27326] <... futex resumed>) = 0 [pid 27323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0}./strace-static-x86_64: Process 27336 attached [pid 27335] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27334] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27333] <... futex resumed>) = 0 [pid 27332] <... futex resumed>) = 1 [pid 27331] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27330] <... mprotect resumed>) = 0 [pid 27326] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27322] <... futex resumed>) = 0 [pid 27336] set_robust_list(0x7f02635ab9a0, 24 [pid 27334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27333] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27326] <... futex resumed>) = 0 [pid 27323] <... clone3 resumed> => {parent_tid=[27336]}, 88) = 27336 [pid 27336] <... set_robust_list resumed>) = 0 [pid 27334] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27326] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27323] rt_sigprocmask(SIG_SETMASK, [], [pid 27336] rt_sigprocmask(SIG_SETMASK, [], [pid 27334] <... write resumed>) = 10 [pid 27330] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27326] <... futex resumed>) = 0 [pid 27323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27322] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27334] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27323] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27336] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27335] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27334] <... futex resumed>) = 0 [pid 27330] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27326] <... mmap resumed>) = 0x7f026358b000 [pid 27323] <... futex resumed>) = 0 [pid 27322] <... futex resumed>) = 0 [pid 27332] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27331] <... futex resumed>) = 1 [pid 27327] <... futex resumed>) = 0 [pid 27336] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27335] <... openat resumed>) = 3 [pid 27334] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27332] <... write resumed>) = 9 [pid 27331] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27330] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27327] exit_group(0 [pid 27326] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27323] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27322] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27336] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27335] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27332] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27331] <... futex resumed>) = ? [pid 27329] <... futex resumed>) = ? [pid 27327] <... exit_group resumed>) = ? [pid 27326] <... mprotect resumed>) = 0 [pid 27323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27336] <... futex resumed>) = 0 [pid 27331] +++ exited with 0 +++ [pid 27330] <... clone3 resumed> => {parent_tid=[27337]}, 88) = 27337 [pid 27326] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27323] exit_group(0 [pid 27333] <... futex resumed>) = ? [pid 27326] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27323] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 27337 attached [pid 27336] +++ exited with 0 +++ [pid 27335] <... futex resumed>) = 1 [pid 27333] +++ exited with 0 +++ [pid 27332] <... futex resumed>) = 0 [pid 27330] rt_sigprocmask(SIG_SETMASK, [], [pid 27329] +++ exited with 0 +++ [pid 27328] <... futex resumed>) = 0 [pid 27327] +++ exited with 0 +++ [pid 27326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27322] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27337] set_robust_list(0x7f02635cc9a0, 24 [pid 27335] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27332] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27323] +++ exited with 0 +++ [pid 27326] <... clone3 resumed> => {parent_tid=[27338]}, 88) = 27338 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27326] rt_sigprocmask(SIG_SETMASK, [], [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 27326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27326] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27326] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 27338 attached [pid 27337] <... set_robust_list resumed>) = 0 [pid 27335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27332] <... write resumed>) = 10 [pid 27330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27328] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27322] <... futex resumed>) = 0 [pid 27338] set_robust_list(0x7f02635ab9a0, 24 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27337] rt_sigprocmask(SIG_SETMASK, [], [pid 27335] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27332] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27330] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27328] <... futex resumed>) = 0 [pid 27322] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 27339 attached [pid 27338] <... set_robust_list resumed>) = 0 [pid 27337] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27335] <... write resumed>) = 9 [pid 27332] <... futex resumed>) = 0 [pid 27330] <... futex resumed>) = 0 [pid 27328] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27322] <... futex resumed>) = 0 [pid 27339] set_robust_list(0x555555eba6a0, 24 [pid 27338] rt_sigprocmask(SIG_SETMASK, [], [pid 27337] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27335] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27339 [pid 27339] <... set_robust_list resumed>) = 0 [pid 27338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27335] <... futex resumed>) = 0 [pid 27332] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27330] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27322] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27339] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27338] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27337] <... openat resumed>) = 3 [pid 27335] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27332] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27328] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27339] <... prctl resumed>) = 0 [pid 27338] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27339] setpgid(0, 0 [pid 27338] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27339] <... setpgid resumed>) = 0 [pid 27338] <... futex resumed>) = 1 [pid 27335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27332] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27328] <... futex resumed>) = 0 [pid 27326] <... futex resumed>) = 0 [pid 27339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27338] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27337] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27335] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27332] <... futex resumed>) = 1 [pid 27328] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27326] exit_group(0 [pid 27322] <... futex resumed>) = 0 [pid 27339] <... openat resumed>) = 3 [pid 27338] <... futex resumed>) = ? [pid 27334] <... futex resumed>) = ? [pid 27326] <... exit_group resumed>) = ? [pid 27337] <... futex resumed>) = 1 ./strace-static-x86_64: Process 27340 attached [pid 27339] write(3, "1000", 4 [pid 27338] +++ exited with 0 +++ [pid 27337] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27335] <... write resumed>) = 10 [pid 27334] +++ exited with 0 +++ [pid 27332] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27330] <... futex resumed>) = 0 [pid 27328] <... futex resumed>) = 0 [pid 27322] exit_group(0 [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27340 [pid 27340] set_robust_list(0x555555eba6a0, 24 [pid 27339] <... write resumed>) = 4 [pid 27326] +++ exited with 0 +++ [pid 27339] close(3 [pid 27335] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27330] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27322] <... exit_group resumed>) = ? [pid 27339] <... close resumed>) = 0 [pid 27337] <... futex resumed>) = 0 [pid 27335] <... futex resumed>) = 0 [pid 27332] <... futex resumed>) = ? [pid 27330] <... futex resumed>) = 1 [pid 27328] <... mmap resumed>) = 0x7f026358b000 [pid 27339] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27337] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27339] <... futex resumed>) = 0 [pid 27337] <... write resumed>) = 9 [pid 27339] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27337] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27339] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27337] <... futex resumed>) = 0 [pid 27339] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27337] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f02635ac000 [pid 27339] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27332] +++ exited with 0 +++ [pid 27322] +++ exited with 0 +++ [pid 27339] <... mprotect resumed>) = 0 [pid 27335] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27330] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27328] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27322, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27340] <... set_robust_list resumed>) = 0 [pid 27339] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 27339] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 296] <... restart_syscall resumed>) = 0 [pid 27339] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27330] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27328] <... mprotect resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27337] <... futex resumed>) = 0 [pid 27330] <... futex resumed>) = 1 [pid 27328] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27339] <... clone3 resumed> => {parent_tid=[27341]}, 88) = 27341 [pid 27337] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27342 attached ./strace-static-x86_64: Process 27341 attached ./strace-static-x86_64: Process 27343 attached [pid 27340] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27339] rt_sigprocmask(SIG_SETMASK, [], [pid 27337] <... write resumed>) = 10 [pid 27330] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27328] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27343] set_robust_list(0x555555eba6a0, 24 [pid 27342] set_robust_list(0x555555eba6a0, 24 [pid 27341] set_robust_list(0x7f02635cc9a0, 24 [pid 27340] <... prctl resumed>) = 0 [pid 27339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27337] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27343 [pid 27343] <... set_robust_list resumed>) = 0 [pid 27339] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27337] <... futex resumed>) = 0 [pid 27343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27342] <... set_robust_list resumed>) = 0 [pid 27341] <... set_robust_list resumed>) = 0 [pid 27340] setpgid(0, 0 [pid 27339] <... futex resumed>) = 0 [pid 27337] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27330] <... futex resumed>) = 0 [pid 27328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27342 [pid 27343] <... prctl resumed>) = 0 [pid 27339] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27343] setpgid(0, 0 [pid 27340] <... setpgid resumed>) = 0 [pid 27330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27342] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27341] rt_sigprocmask(SIG_SETMASK, [], [pid 27343] <... setpgid resumed>) = 0 [pid 27343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27330] <... mmap resumed>) = 0x7f026358b000 [pid 27328] <... clone3 resumed> => {parent_tid=[27344]}, 88) = 27344 ./strace-static-x86_64: Process 27344 attached [pid 27342] <... prctl resumed>) = 0 [pid 27341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27343] <... openat resumed>) = 3 [pid 27342] setpgid(0, 0 [pid 27344] set_robust_list(0x7f02635ab9a0, 24 [pid 27341] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27340] <... openat resumed>) = 3 [pid 27330] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27328] rt_sigprocmask(SIG_SETMASK, [], [pid 27343] write(3, "1000", 4) = 4 [pid 27343] close(3) = 0 [pid 27330] <... mprotect resumed>) = 0 [pid 27328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27342] <... setpgid resumed>) = 0 [pid 27340] write(3, "1000", 4 [pid 27343] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27343] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27328] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27340] <... write resumed>) = 4 [pid 27330] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27328] <... futex resumed>) = 0 [pid 27343] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27340] close(3 [pid 27330] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27328] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27343] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 27340] <... close resumed>) = 0 [pid 27330] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27342] <... openat resumed>) = 3 [pid 27340] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27343] <... mmap resumed>) = 0x7f02635ac000 [pid 27342] write(3, "1000", 4 [pid 27340] <... futex resumed>) = 0 [pid 27343] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27342] <... write resumed>) = 4 [pid 27340] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27330] <... clone3 resumed> => {parent_tid=[27345]}, 88) = 27345 ./strace-static-x86_64: Process 27345 attached [pid 27343] <... mprotect resumed>) = 0 [pid 27342] close(3 [pid 27341] <... openat resumed>) = 3 [pid 27340] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27330] rt_sigprocmask(SIG_SETMASK, [], [pid 27344] <... set_robust_list resumed>) = 0 [pid 27343] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27342] <... close resumed>) = 0 [pid 27343] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27343] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0}./strace-static-x86_64: Process 27346 attached [pid 27340] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27342] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27341] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27344] rt_sigprocmask(SIG_SETMASK, [], [pid 27345] set_robust_list(0x7f02635ab9a0, 24 [pid 27343] <... clone3 resumed> => {parent_tid=[27346]}, 88) = 27346 [pid 27346] set_robust_list(0x7f02635cc9a0, 24 [pid 27345] <... set_robust_list resumed>) = 0 [pid 27344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27343] rt_sigprocmask(SIG_SETMASK, [], [pid 27342] <... futex resumed>) = 0 [pid 27341] <... futex resumed>) = 1 [pid 27340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27339] <... futex resumed>) = 0 [pid 27330] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27346] <... set_robust_list resumed>) = 0 [pid 27345] rt_sigprocmask(SIG_SETMASK, [], [pid 27344] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27339] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27342] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27341] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27330] <... futex resumed>) = 0 [pid 27346] rt_sigprocmask(SIG_SETMASK, [], [pid 27345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27344] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27343] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27339] <... futex resumed>) = 0 [pid 27343] <... futex resumed>) = 0 [pid 27339] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27343] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27342] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27341] <... write resumed>) = 9 [pid 27342] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27340] <... mmap resumed>) = 0x7f02635ac000 [pid 27330] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27344] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27345] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27341] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27344] <... futex resumed>) = 1 [pid 27340] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27328] <... futex resumed>) = 0 [pid 27345] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27344] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27341] <... futex resumed>) = 1 [pid 27339] <... futex resumed>) = 0 [pid 27340] <... mprotect resumed>) = 0 [pid 27345] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27342] <... mmap resumed>) = 0x7f02635ac000 [pid 27341] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27339] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27328] exit_group(0 [pid 27345] <... futex resumed>) = 1 [pid 27344] <... futex resumed>) = ? [pid 27342] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27340] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27339] <... futex resumed>) = 0 [pid 27335] <... futex resumed>) = ? [pid 27330] <... futex resumed>) = 0 [pid 27328] <... exit_group resumed>) = ? [pid 27345] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27344] +++ exited with 0 +++ [pid 27342] <... mprotect resumed>) = 0 [pid 27341] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27340] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27339] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27335] +++ exited with 0 +++ [pid 27330] exit_group(0 [pid 27342] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27339] <... futex resumed>) = 0 [pid 27342] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27328] +++ exited with 0 +++ [pid 27345] <... futex resumed>) = ? [pid 27342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27341] <... write resumed>) = 10 [pid 27340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27339] <... mmap resumed>) = 0x7f026358b000 [pid 27337] <... futex resumed>) = ? [pid 27330] <... exit_group resumed>) = ? [pid 27346] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27345] +++ exited with 0 +++ [pid 27341] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27339] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27337] +++ exited with 0 +++ [pid 27342] <... clone3 resumed> => {parent_tid=[27347]}, 88) = 27347 [pid 27339] <... mprotect resumed>) = 0 [pid 27330] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27341] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27348 attached ./strace-static-x86_64: Process 27347 attached [pid 27346] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27342] rt_sigprocmask(SIG_SETMASK, [], [pid 27340] <... clone3 resumed> => {parent_tid=[27348]}, 88) = 27348 [pid 27339] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27339] <... rt_sigprocmask resumed>[], 8) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27330, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 27346] <... openat resumed>) = 3 [pid 27340] rt_sigprocmask(SIG_SETMASK, [], [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27341] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27348] set_robust_list(0x7f02635cc9a0, 24 [pid 27347] set_robust_list(0x7f02635cc9a0, 24 [pid 27342] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27339] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27342] <... futex resumed>) = 0 [pid 27340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27346] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27342] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27339] <... clone3 resumed> => {parent_tid=[27349]}, 88) = 27349 [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27350 [pid 27340] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27348] <... set_robust_list resumed>) = 0 [pid 27347] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 27351 attached [pid 27346] <... futex resumed>) = 1 [pid 27343] <... futex resumed>) = 0 [pid 27339] rt_sigprocmask(SIG_SETMASK, [], [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27351 ./strace-static-x86_64: Process 27349 attached [pid 27348] rt_sigprocmask(SIG_SETMASK, [], [pid 27347] rt_sigprocmask(SIG_SETMASK, [], [pid 27346] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27343] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27340] <... futex resumed>) = 0 [pid 27339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27351] set_robust_list(0x555555eba6a0, 24./strace-static-x86_64: Process 27350 attached [pid 27343] <... futex resumed>) = 0 [pid 27339] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27340] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27351] <... set_robust_list resumed>) = 0 [pid 27349] set_robust_list(0x7f02635ab9a0, 24 [pid 27348] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27343] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27339] <... futex resumed>) = 0 [pid 27351] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27348] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27339] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27347] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27351] <... prctl resumed>) = 0 [pid 27346] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27350] set_robust_list(0x555555eba6a0, 24 [pid 27346] <... write resumed>) = 9 [pid 27350] <... set_robust_list resumed>) = 0 [pid 27347] <... openat resumed>) = 3 [pid 27346] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27351] setpgid(0, 0 [pid 27350] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27348] <... openat resumed>) = 3 [pid 27347] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27346] <... futex resumed>) = 1 [pid 27343] <... futex resumed>) = 0 [pid 27350] <... prctl resumed>) = 0 [pid 27349] <... set_robust_list resumed>) = 0 [pid 27343] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27351] <... setpgid resumed>) = 0 [pid 27350] setpgid(0, 0 [pid 27349] rt_sigprocmask(SIG_SETMASK, [], [pid 27348] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27347] <... futex resumed>) = 1 [pid 27346] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27343] <... futex resumed>) = 0 [pid 27342] <... futex resumed>) = 0 [pid 27351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27350] <... setpgid resumed>) = 0 [pid 27349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27348] <... futex resumed>) = 1 [pid 27347] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27346] <... write resumed>) = 10 [pid 27343] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27342] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27340] <... futex resumed>) = 0 [pid 27351] <... openat resumed>) = 3 [pid 27350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27349] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27348] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27347] <... write resumed>) = 9 [pid 27346] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27343] <... futex resumed>) = 0 [pid 27342] <... futex resumed>) = 0 [pid 27340] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27351] write(3, "1000", 4 [pid 27350] <... openat resumed>) = 3 [pid 27349] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27347] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27346] <... futex resumed>) = 0 [pid 27343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27342] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27340] <... futex resumed>) = 0 [pid 27351] <... write resumed>) = 4 [pid 27350] write(3, "1000", 4 [pid 27349] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27348] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27347] <... futex resumed>) = 0 [pid 27346] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27343] <... mmap resumed>) = 0x7f026358b000 [pid 27342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27340] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27351] close(3 [pid 27350] <... write resumed>) = 4 [pid 27349] <... futex resumed>) = 1 [pid 27348] <... write resumed>) = 9 [pid 27347] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27343] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27342] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27339] <... futex resumed>) = 0 [pid 27351] <... close resumed>) = 0 [pid 27350] close(3 [pid 27349] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27348] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27343] <... mprotect resumed>) = 0 [pid 27342] <... futex resumed>) = 0 [pid 27339] exit_group(0 [pid 27351] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27350] <... close resumed>) = 0 [pid 27349] <... futex resumed>) = ? [pid 27348] <... futex resumed>) = 1 [pid 27347] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27343] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27342] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27341] <... futex resumed>) = ? [pid 27340] <... futex resumed>) = 0 [pid 27339] <... exit_group resumed>) = ? [pid 27351] <... futex resumed>) = 0 [pid 27350] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27349] +++ exited with 0 +++ [pid 27348] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27347] <... write resumed>) = 10 [pid 27343] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27342] <... futex resumed>) = 0 [pid 27341] +++ exited with 0 +++ [pid 27340] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27351] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27350] <... futex resumed>) = 0 [pid 27348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27347] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27343] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27340] <... futex resumed>) = 0 [pid 27339] +++ exited with 0 +++ [pid 27351] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27350] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27348] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27347] <... futex resumed>) = 0 [pid 27342] <... mmap resumed>) = 0x7f026358b000 [pid 27340] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27352 attached [pid 27350] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27343] <... clone3 resumed> => {parent_tid=[27352]}, 88) = 27352 [pid 27342] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27339, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27352] set_robust_list(0x7f02635ab9a0, 24 [pid 27351] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27350] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27348] <... write resumed>) = 10 [pid 27347] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27343] rt_sigprocmask(SIG_SETMASK, [], [pid 27342] <... mprotect resumed>) = 0 [pid 27340] <... futex resumed>) = 0 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 27351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27350] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27348] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27342] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 27351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27348] <... futex resumed>) = 0 [pid 27343] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27342] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27340] <... mmap resumed>) = 0x7f026358b000 [pid 27352] <... set_robust_list resumed>) = 0 [pid 27351] <... mmap resumed>) = 0x7f02635ac000 [pid 27350] <... mmap resumed>) = 0x7f02635ac000 [pid 27348] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27343] <... futex resumed>) = 0 [pid 27342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27340] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27352] rt_sigprocmask(SIG_SETMASK, [], [pid 27351] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27350] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27343] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27340] <... mprotect resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27353 attached [pid 27352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27351] <... mprotect resumed>) = 0 [pid 27350] <... mprotect resumed>) = 0 [pid 27342] <... clone3 resumed> => {parent_tid=[27353]}, 88) = 27353 [pid 27340] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 27354 attached [pid 27353] set_robust_list(0x7f02635ab9a0, 24 [pid 27352] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27351] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27350] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27342] rt_sigprocmask(SIG_SETMASK, [], [pid 27354] set_robust_list(0x555555eba6a0, 24 [pid 27350] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27354 [pid 27354] <... set_robust_list resumed>) = 0 [pid 27350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27342] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27354] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27353] <... set_robust_list resumed>) = 0 [pid 27352] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27351] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27340] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 27355 attached [pid 27354] <... prctl resumed>) = 0 [pid 27353] rt_sigprocmask(SIG_SETMASK, [], [pid 27352] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27342] <... futex resumed>) = 0 [pid 27340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27355] set_robust_list(0x7f02635cc9a0, 24 [pid 27350] <... clone3 resumed> => {parent_tid=[27355]}, 88) = 27355 [pid 27342] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27352] <... futex resumed>) = 1 [pid 27343] <... futex resumed>) = 0 [pid 27355] <... set_robust_list resumed>) = 0 [pid 27350] rt_sigprocmask(SIG_SETMASK, [], [pid 27343] exit_group(0 [pid 27353] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 27356 attached [pid 27355] rt_sigprocmask(SIG_SETMASK, [], [pid 27354] setpgid(0, 0 [pid 27352] +++ exited with 0 +++ [pid 27351] <... clone3 resumed> => {parent_tid=[27356]}, 88) = 27356 [pid 27350] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27346] <... futex resumed>) = ? [pid 27343] <... exit_group resumed>) = ? [pid 27340] <... clone3 resumed> => {parent_tid=[27357]}, 88) = 27357 [pid 27355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27353] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27351] rt_sigprocmask(SIG_SETMASK, [], [pid 27350] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27355] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27350] <... futex resumed>) = 0 [pid 27355] <... openat resumed>) = 3 [pid 27350] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27355] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27346] +++ exited with 0 +++ [pid 27343] +++ exited with 0 +++ [pid 27351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27340] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 27357 attached [pid 27355] <... futex resumed>) = 1 [pid 27350] <... futex resumed>) = 0 [pid 27340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27354] <... setpgid resumed>) = 0 [pid 27353] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27351] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27356] set_robust_list(0x7f02635cc9a0, 24 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27343, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27355] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27350] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 27355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27350] <... futex resumed>) = 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 27355] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27353] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27351] <... futex resumed>) = 0 [pid 27350] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27340] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27355] <... write resumed>) = 9 [pid 27353] <... futex resumed>) = 1 [pid 27351] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27342] <... futex resumed>) = 0 [pid 27340] <... futex resumed>) = 0 [pid 27356] <... set_robust_list resumed>) = 0 [pid 27355] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27342] exit_group(0 [pid 27340] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27357] set_robust_list(0x7f02635ab9a0, 24 [pid 27356] rt_sigprocmask(SIG_SETMASK, [], [pid 27355] <... futex resumed>) = 1 [pid 27354] <... openat resumed>) = 3 [pid 27353] +++ exited with 0 +++ [pid 27350] <... futex resumed>) = 0 [pid 27347] <... futex resumed>) = ? [pid 27342] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 27358 attached [pid 27357] <... set_robust_list resumed>) = 0 [pid 27356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27355] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27354] write(3, "1000", 4 [pid 27350] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27347] +++ exited with 0 +++ [pid 27358] set_robust_list(0x555555eba6a0, 24 [pid 27357] rt_sigprocmask(SIG_SETMASK, [], [pid 27356] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27354] <... write resumed>) = 4 [pid 27350] <... futex resumed>) = 0 [pid 27342] +++ exited with 0 +++ [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27358 [pid 27358] <... set_robust_list resumed>) = 0 [pid 27357] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27356] <... openat resumed>) = 3 [pid 27355] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27354] close(3 [pid 27350] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27357] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27356] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27355] <... write resumed>) = 10 [pid 27354] <... close resumed>) = 0 [pid 27350] <... futex resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27342, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27357] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27356] <... futex resumed>) = 1 [pid 27355] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27354] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27351] <... futex resumed>) = 0 [pid 27350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27358] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27357] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27356] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27355] <... futex resumed>) = 0 [pid 27354] <... futex resumed>) = 0 [pid 27351] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27350] <... mmap resumed>) = 0x7f026358b000 ./strace-static-x86_64: Process 27359 attached [pid 27358] <... prctl resumed>) = 0 [pid 27357] <... futex resumed>) = 1 [pid 27356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27355] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27354] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27351] <... futex resumed>) = 0 [pid 27340] <... futex resumed>) = 0 [pid 27359] set_robust_list(0x555555eba6a0, 24 [pid 27357] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27356] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27354] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27351] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27350] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27340] exit_group(0 [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27359 [pid 27359] <... set_robust_list resumed>) = 0 [pid 27357] <... futex resumed>) = ? [pid 27356] <... write resumed>) = 9 [pid 27354] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27350] <... mprotect resumed>) = 0 [pid 27348] <... futex resumed>) = ? [pid 27340] <... exit_group resumed>) = ? [pid 27359] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27358] setpgid(0, 0 [pid 27357] +++ exited with 0 +++ [pid 27356] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27350] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27348] +++ exited with 0 +++ [pid 27359] <... prctl resumed>) = 0 [pid 27358] <... setpgid resumed>) = 0 [pid 27356] <... futex resumed>) = 1 [pid 27354] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27351] <... futex resumed>) = 0 [pid 27350] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27340] +++ exited with 0 +++ [pid 27359] setpgid(0, 0 [pid 27358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27356] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27354] <... mmap resumed>) = 0x7f02635ac000 [pid 27351] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27359] <... setpgid resumed>) = 0 [pid 27356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27354] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27351] <... futex resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27340, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27358] <... openat resumed>) = 3 [pid 27356] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27354] <... mprotect resumed>) = 0 [pid 27351] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27350] <... clone3 resumed> => {parent_tid=[27360]}, 88) = 27360 [pid 297] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 27360 attached [pid 27359] <... openat resumed>) = 3 [pid 27358] write(3, "1000", 4 [pid 27356] <... write resumed>) = 10 [pid 27354] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27351] <... futex resumed>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 27359] write(3, "1000", 4 [pid 27358] <... write resumed>) = 4 [pid 27356] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27354] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27350] rt_sigprocmask(SIG_SETMASK, [], [pid 27359] <... write resumed>) = 4 [pid 27358] close(3 [pid 27356] <... futex resumed>) = 0 [pid 27354] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27351] <... mmap resumed>) = 0x7f026358b000 [pid 27350] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27360] set_robust_list(0x7f02635ab9a0, 24 [pid 27359] close(3 [pid 27358] <... close resumed>) = 0 [pid 27356] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27351] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27350] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27361 attached ./strace-static-x86_64: Process 27362 attached [pid 27360] <... set_robust_list resumed>) = 0 [pid 27359] <... close resumed>) = 0 [pid 27358] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27354] <... clone3 resumed> => {parent_tid=[27361]}, 88) = 27361 [pid 27351] <... mprotect resumed>) = 0 [pid 27350] <... futex resumed>) = 0 [pid 27362] set_robust_list(0x555555eba6a0, 24 [pid 27361] set_robust_list(0x7f02635cc9a0, 24 [pid 27360] rt_sigprocmask(SIG_SETMASK, [], [pid 27359] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27354] rt_sigprocmask(SIG_SETMASK, [], [pid 27351] rt_sigprocmask(SIG_BLOCK, ~[], [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27362 [pid 27362] <... set_robust_list resumed>) = 0 [pid 27359] <... futex resumed>) = 0 [pid 27354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27351] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27362] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27359] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27354] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27362] <... prctl resumed>) = 0 [pid 27359] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27354] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27363 attached [pid 27362] setpgid(0, 0 [pid 27359] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27358] <... futex resumed>) = 0 [pid 27360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27354] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27361] <... set_robust_list resumed>) = 0 [pid 27351] <... clone3 resumed> => {parent_tid=[27363]}, 88) = 27363 [pid 27350] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27362] <... setpgid resumed>) = 0 [pid 27359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27351] rt_sigprocmask(SIG_SETMASK, [], [pid 27362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27361] rt_sigprocmask(SIG_SETMASK, [], [pid 27360] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27358] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27363] set_robust_list(0x7f02635ab9a0, 24 [pid 27362] <... openat resumed>) = 3 [pid 27361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27360] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27359] <... mmap resumed>) = 0x7f02635ac000 [pid 27358] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27351] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27362] write(3, "1000", 4 [pid 27359] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27358] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27351] <... futex resumed>) = 0 [pid 27362] <... write resumed>) = 4 [pid 27359] <... mprotect resumed>) = 0 [pid 27358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27351] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27362] close(3 [pid 27361] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27360] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27359] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27362] <... close resumed>) = 0 [pid 27359] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27358] <... mmap resumed>) = 0x7f02635ac000 [pid 27362] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27358] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27362] <... futex resumed>) = 0 [pid 27361] <... openat resumed>) = 3 [pid 27360] <... futex resumed>) = 1 [pid 27358] <... mprotect resumed>) = 0 [pid 27350] <... futex resumed>) = 0 [pid 27363] <... set_robust_list resumed>) = 0 [pid 27362] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27361] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27360] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27359] <... clone3 resumed> => {parent_tid=[27364]}, 88) = 27364 [pid 27358] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27362] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27359] rt_sigprocmask(SIG_SETMASK, [], [pid 27358] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27362] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27358] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0}./strace-static-x86_64: Process 27364 attached [pid 27363] rt_sigprocmask(SIG_SETMASK, [], [pid 27362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27361] <... futex resumed>) = 1 [pid 27359] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27354] <... futex resumed>) = 0 [pid 27350] exit_group(0 [pid 27362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27359] <... futex resumed>) = 0 [pid 27358] <... clone3 resumed> => {parent_tid=[27365]}, 88) = 27365 [pid 27354] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27362] <... mmap resumed>) = 0x7f02635ac000 [pid 27359] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27358] rt_sigprocmask(SIG_SETMASK, [], [pid 27354] <... futex resumed>) = 0 [pid 27362] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27354] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27362] <... mprotect resumed>) = 0 [pid 27358] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27362] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27361] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27360] <... futex resumed>) = ? [pid 27358] <... futex resumed>) = 0 [pid 27355] <... futex resumed>) = ? [pid 27350] <... exit_group resumed>) = ? [pid 27363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27362] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27361] <... write resumed>) = 9 [pid 27360] +++ exited with 0 +++ [pid 27358] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27355] +++ exited with 0 +++ [pid 27362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} => {parent_tid=[27366]}, 88) = 27366 [pid 27362] rt_sigprocmask(SIG_SETMASK, [], [pid 27350] +++ exited with 0 +++ [pid 27362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27361] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27362] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27362] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27366 attached [pid 27366] set_robust_list(0x7f02635cc9a0, 24) = 0 [pid 27366] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 27365 attached [pid 27361] <... futex resumed>) = 1 [pid 27354] <... futex resumed>) = 0 [pid 27363] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27364] set_robust_list(0x7f02635cc9a0, 24 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27350, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27354] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27354] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27363] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27361] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27354] <... futex resumed>) = 0 [pid 27364] <... set_robust_list resumed>) = 0 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 27363] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27361] <... write resumed>) = 10 [pid 27354] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27361] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27354] <... mmap resumed>) = 0x7f026358b000 [pid 294] <... restart_syscall resumed>) = 0 [pid 27366] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27365] set_robust_list(0x7f02635cc9a0, 24 [pid 27364] rt_sigprocmask(SIG_SETMASK, [], [pid 27363] <... futex resumed>) = 1 [pid 27354] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27351] <... futex resumed>) = 0 [pid 27365] <... set_robust_list resumed>) = 0 [pid 27364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27363] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27361] <... futex resumed>) = 0 [pid 27354] <... mprotect resumed>) = 0 [pid 27351] exit_group(0 [pid 27361] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27356] <... futex resumed>) = ? [pid 27354] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27351] <... exit_group resumed>) = ? [pid 27363] <... futex resumed>) = ? [pid 27356] +++ exited with 0 +++ [pid 27354] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27354] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27354] <... clone3 resumed> => {parent_tid=[27367]}, 88) = 27367 [pid 27354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27354] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27354] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27367 attached [pid 27367] set_robust_list(0x7f02635ab9a0, 24 [pid 27363] +++ exited with 0 +++ [pid 27351] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27351, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 27367] <... set_robust_list resumed>) = 0 [pid 27367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27367] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27368 [pid 295] <... restart_syscall resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27368 attached [pid 27367] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27366] <... openat resumed>) = 3 [pid 27365] rt_sigprocmask(SIG_SETMASK, [], [pid 27364] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27369 ./strace-static-x86_64: Process 27369 attached [pid 27364] <... openat resumed>) = 3 [pid 27365] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27366] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27367] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27364] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27367] <... futex resumed>) = 1 [pid 27366] <... futex resumed>) = 1 [pid 27365] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27364] <... futex resumed>) = 1 [pid 27362] <... futex resumed>) = 0 [pid 27359] <... futex resumed>) = 0 [pid 27354] <... futex resumed>) = 0 [pid 27362] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27359] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27354] exit_group(0 [pid 27362] <... futex resumed>) = 0 [pid 27361] <... futex resumed>) = ? [pid 27359] <... futex resumed>) = 0 [pid 27354] <... exit_group resumed>) = ? [pid 27364] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27362] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27361] +++ exited with 0 +++ [pid 27359] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27366] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27365] <... openat resumed>) = 3 [pid 27364] <... write resumed>) = 9 [pid 27369] set_robust_list(0x555555eba6a0, 24 [pid 27365] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27364] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27366] <... write resumed>) = 9 [pid 27369] <... set_robust_list resumed>) = 0 [pid 27369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 27369] setpgid(0, 0) = 0 [pid 27369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27367] +++ exited with 0 +++ [pid 27354] +++ exited with 0 +++ [pid 27366] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27365] <... futex resumed>) = 1 [pid 27364] <... futex resumed>) = 1 [pid 27359] <... futex resumed>) = 0 [pid 27358] <... futex resumed>) = 0 [pid 27359] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27358] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27354, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27359] <... futex resumed>) = 0 [pid 27358] <... futex resumed>) = 0 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 27359] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27358] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27364] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27359] <... futex resumed>) = 0 [pid 27365] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27368] set_robust_list(0x555555eba6a0, 24 [pid 27366] <... futex resumed>) = 1 [pid 27364] <... write resumed>) = 10 [pid 27362] <... futex resumed>) = 0 [pid 27359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 27366] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27365] <... write resumed>) = 9 [pid 27364] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27362] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27359] <... mmap resumed>) = 0x7f026358b000 [pid 27368] <... set_robust_list resumed>) = 0 [pid 27366] <... write resumed>) = 10 [pid 27365] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27364] <... futex resumed>) = 0 [pid 27362] <... futex resumed>) = 0 [pid 27359] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27368] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27366] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27365] <... futex resumed>) = 1 [pid 27364] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27362] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27359] <... mprotect resumed>) = 0 [pid 27358] <... futex resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27369] <... openat resumed>) = 3 [pid 27368] <... prctl resumed>) = 0 [pid 27366] <... futex resumed>) = 0 [pid 27365] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27362] <... futex resumed>) = 0 [pid 27359] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27358] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27370 attached [pid 27368] setpgid(0, 0 [pid 27366] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27359] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27358] <... futex resumed>) = 0 [pid 27368] <... setpgid resumed>) = 0 [pid 27365] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27362] <... mmap resumed>) = 0x7f026358b000 [pid 27359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27358] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27370 [pid 27369] write(3, "1000", 4 [pid 27368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27365] <... write resumed>) = 10 [pid 27362] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27358] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27371 attached [pid 27369] <... write resumed>) = 4 [pid 27368] <... openat resumed>) = 3 [pid 27365] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27362] <... mprotect resumed>) = 0 [pid 27359] <... clone3 resumed> => {parent_tid=[27371]}, 88) = 27371 [pid 27358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27370] set_robust_list(0x555555eba6a0, 24 [pid 27362] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27359] rt_sigprocmask(SIG_SETMASK, [], [pid 27358] <... mmap resumed>) = 0x7f026358b000 [pid 27362] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27358] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27368] write(3, "1000", 4 [pid 27362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27359] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27365] <... futex resumed>) = 0 [pid 27358] <... mprotect resumed>) = 0 [pid 27370] <... set_robust_list resumed>) = 0 [pid 27369] close(3 [pid 27368] <... write resumed>) = 4 [pid 27359] <... futex resumed>) = 0 [pid 27358] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27362] <... clone3 resumed> => {parent_tid=[27372]}, 88) = 27372 [pid 27359] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27358] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27362] rt_sigprocmask(SIG_SETMASK, [], [pid 27358] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27362] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27358] <... clone3 resumed> => {parent_tid=[27373]}, 88) = 27373 [pid 27368] close(3 [pid 27365] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27362] <... futex resumed>) = 0 [pid 27358] rt_sigprocmask(SIG_SETMASK, [], [pid 27369] <... close resumed>) = 0 [pid 27368] <... close resumed>) = 0 [pid 27362] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27358] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27358] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27372 attached [pid 27372] set_robust_list(0x7f02635ab9a0, 24) = 0 [pid 27372] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27372] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10) = -1 EINVAL (Invalid argument) [pid 27372] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27373 attached [pid 27371] set_robust_list(0x7f02635ab9a0, 24 [pid 27370] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27369] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27368] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27370] <... prctl resumed>) = 0 [pid 27369] <... futex resumed>) = 0 [pid 27368] <... futex resumed>) = 0 [pid 27370] setpgid(0, 0 [pid 27369] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27368] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27370] <... setpgid resumed>) = 0 [pid 27369] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27368] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27369] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27368] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27372] <... futex resumed>) = 1 [pid 27370] <... openat resumed>) = 3 [pid 27369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27362] <... futex resumed>) = 0 [pid 27370] write(3, "1000", 4 [pid 27369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27362] exit_group(0 [pid 27370] <... write resumed>) = 4 [pid 27369] <... mmap resumed>) = 0x7f02635ac000 [pid 27362] <... exit_group resumed>) = ? [pid 27368] <... mmap resumed>) = 0x7f02635ac000 [pid 27370] close(3 [pid 27369] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27366] <... futex resumed>) = ? [pid 27370] <... close resumed>) = 0 [pid 27369] <... mprotect resumed>) = 0 [pid 27368] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27366] +++ exited with 0 +++ [pid 27370] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27369] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27368] <... mprotect resumed>) = 0 [pid 27370] <... futex resumed>) = 0 [pid 27369] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27371] <... set_robust_list resumed>) = 0 [pid 27370] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27369] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27368] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27371] rt_sigprocmask(SIG_SETMASK, [], [pid 27370] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27368] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27370] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27369] <... clone3 resumed> => {parent_tid=[27374]}, 88) = 27374 [pid 27371] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27369] rt_sigprocmask(SIG_SETMASK, [], [pid 27368] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27371] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27371] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27370] <... mmap resumed>) = 0x7f02635ac000 [pid 27369] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27371] <... futex resumed>) = 1 [pid 27370] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27369] <... futex resumed>) = 0 [pid 27368] <... clone3 resumed> => {parent_tid=[27375]}, 88) = 27375 [pid 27359] <... futex resumed>) = 0 [pid 27371] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27370] <... mprotect resumed>) = 0 [pid 27369] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27368] rt_sigprocmask(SIG_SETMASK, [], [pid 27359] exit_group(0 [pid 27371] <... futex resumed>) = ? [pid 27370] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27364] <... futex resumed>) = ? [pid 27359] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 27375 attached [pid 27372] +++ exited with 0 +++ [pid 27371] +++ exited with 0 +++ [pid 27370] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27368] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27364] +++ exited with 0 +++ [pid 27362] +++ exited with 0 +++ [pid 27373] set_robust_list(0x7f02635ab9a0, 24 [pid 27359] +++ exited with 0 +++ [pid 27370] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27368] <... futex resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27362, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27373] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 27374 attached [pid 27375] set_robust_list(0x7f02635cc9a0, 24 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 27370] <... clone3 resumed> => {parent_tid=[27376]}, 88) = 27376 [pid 27370] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 299] <... restart_syscall resumed>) = 0 [pid 27370] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... restart_syscall resumed>) = 0 [pid 27370] <... futex resumed>) = 0 [pid 27368] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27373] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27370] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27376 attached ./strace-static-x86_64: Process 27377 attached [pid 27375] <... set_robust_list resumed>) = 0 [pid 27374] set_robust_list(0x7f02635cc9a0, 24 [pid 27373] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27377] set_robust_list(0x555555eba6a0, 24 [pid 27376] set_robust_list(0x7f02635cc9a0, 24 [pid 27375] rt_sigprocmask(SIG_SETMASK, [], [pid 27374] <... set_robust_list resumed>) = 0 [pid 27373] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27377 ./strace-static-x86_64: Process 27378 attached [pid 27377] <... set_robust_list resumed>) = 0 [pid 27378] set_robust_list(0x555555eba6a0, 24 [pid 27377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27378 [pid 27378] <... set_robust_list resumed>) = 0 [pid 27377] <... prctl resumed>) = 0 [pid 27378] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27377] setpgid(0, 0 [pid 27375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27373] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27374] rt_sigprocmask(SIG_SETMASK, [], [pid 27376] <... set_robust_list resumed>) = 0 [pid 27378] <... prctl resumed>) = 0 [pid 27377] <... setpgid resumed>) = 0 [pid 27378] setpgid(0, 0 [pid 27377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27378] <... setpgid resumed>) = 0 [pid 27377] <... openat resumed>) = 3 [pid 27378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27377] write(3, "1000", 4 [pid 27376] rt_sigprocmask(SIG_SETMASK, [], [pid 27375] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27373] <... futex resumed>) = 1 [pid 27358] <... futex resumed>) = 0 [pid 27378] <... openat resumed>) = 3 [pid 27377] <... write resumed>) = 4 [pid 27358] exit_group(0 [pid 27378] write(3, "1000", 4 [pid 27377] close(3 [pid 27365] <... futex resumed>) = ? [pid 27358] <... exit_group resumed>) = ? [pid 27378] <... write resumed>) = 4 [pid 27377] <... close resumed>) = 0 [pid 27365] +++ exited with 0 +++ [pid 27375] <... openat resumed>) = 3 [pid 27378] close(3 [pid 27377] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27375] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27374] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27378] <... close resumed>) = 0 [pid 27377] <... futex resumed>) = 0 [pid 27378] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27377] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27378] <... futex resumed>) = 0 [pid 27377] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27378] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27377] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27378] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27378] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27377] <... mmap resumed>) = 0x7f02635ac000 [pid 27373] +++ exited with 0 +++ [pid 27375] <... futex resumed>) = 1 [pid 27368] <... futex resumed>) = 0 [pid 27358] +++ exited with 0 +++ [pid 27378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27377] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27375] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27374] <... openat resumed>) = 3 [pid 27368] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27378] <... mmap resumed>) = 0x7f02635ac000 [pid 27377] <... mprotect resumed>) = 0 [pid 27376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27378] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27377] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27375] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27374] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27368] <... futex resumed>) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27358, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27378] <... mprotect resumed>) = 0 [pid 27377] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27375] <... write resumed>) = 9 [pid 27374] <... futex resumed>) = 1 [pid 27369] <... futex resumed>) = 0 [pid 27368] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 27378] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27377] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27376] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27375] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27374] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27369] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... restart_syscall resumed>) = 0 [pid 27378] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27375] <... futex resumed>) = 1 [pid 27374] <... write resumed>) = 9 [pid 27369] <... futex resumed>) = 0 [pid 27368] <... futex resumed>) = 0 [pid 27378] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27377] <... clone3 resumed> => {parent_tid=[27379]}, 88) = 27379 [pid 27375] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27369] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27368] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27377] rt_sigprocmask(SIG_SETMASK, [], [pid 27375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27374] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27368] <... futex resumed>) = 0 [pid 27378] <... clone3 resumed> => {parent_tid=[27380]}, 88) = 27380 [pid 27377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27375] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27374] <... futex resumed>) = 0 [pid 27369] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27368] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27378] rt_sigprocmask(SIG_SETMASK, [], [pid 27377] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27375] <... write resumed>) = 10 [pid 27374] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27369] <... futex resumed>) = 0 [pid 27368] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27380 attached ./strace-static-x86_64: Process 27379 attached [pid 27376] <... openat resumed>) = 3 [pid 27378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27377] <... futex resumed>) = 0 [pid 27369] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27375] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27381 attached [pid 27374] <... write resumed>) = 10 [pid 27368] <... mmap resumed>) = 0x7f026358b000 [pid 27375] <... futex resumed>) = 0 [pid 27374] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27368] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27381 [pid 27375] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27374] <... futex resumed>) = 0 [pid 27378] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27377] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27374] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27369] <... futex resumed>) = 0 [pid 27368] <... mprotect resumed>) = 0 [pid 27378] <... futex resumed>) = 0 [pid 27378] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27368] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27369] <... mmap resumed>) = 0x7f026358b000 [pid 27368] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27369] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27369] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27368] <... clone3 resumed> => {parent_tid=[27382]}, 88) = 27382 [pid 27369] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27368] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27369] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27368] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27368] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27380] set_robust_list(0x7f02635cc9a0, 24 [pid 27369] <... clone3 resumed> => {parent_tid=[27383]}, 88) = 27383 [pid 27381] set_robust_list(0x555555eba6a0, 24 [pid 27380] <... set_robust_list resumed>) = 0 [pid 27369] rt_sigprocmask(SIG_SETMASK, [], [pid 27380] rt_sigprocmask(SIG_SETMASK, [], [pid 27369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27369] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27380] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27369] <... futex resumed>) = 0 [pid 27380] <... openat resumed>) = 3 [pid 27369] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27380] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 27378] <... futex resumed>) = 0 [pid 27381] <... set_robust_list resumed>) = 0 [pid 27380] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27378] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27380] <... write resumed>) = 9 [pid 27378] <... futex resumed>) = 0 [pid 27380] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27378] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27380] <... futex resumed>) = 0 [pid 27378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27380] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27378] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27381] <... prctl resumed>) = 0 [pid 27380] <... write resumed>) = 10 [pid 27378] <... futex resumed>) = 0 [pid 27381] setpgid(0, 0 [pid 27380] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27378] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27382 attached [pid 27381] <... setpgid resumed>) = 0 [pid 27380] <... futex resumed>) = 0 [pid 27378] <... futex resumed>) = 0 [pid 27380] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f026358b000 [pid 27378] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27378] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27378] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27381] <... openat resumed>) = 3 [pid 27378] <... clone3 resumed> => {parent_tid=[27384]}, 88) = 27384 [pid 27378] rt_sigprocmask(SIG_SETMASK, [], [pid 27381] write(3, "1000", 4 [pid 27378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27378] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27381] <... write resumed>) = 4 [pid 27378] <... futex resumed>) = 0 [pid 27378] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27382] set_robust_list(0x7f02635ab9a0, 24 [pid 27381] close(3 [pid 27379] set_robust_list(0x7f02635cc9a0, 24 [pid 27376] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27370] <... futex resumed>) = 0 [pid 27370] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27370] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27382] <... set_robust_list resumed>) = 0 [pid 27381] <... close resumed>) = 0 [pid 27379] <... set_robust_list resumed>) = 0 [pid 27376] <... futex resumed>) = 1 [pid 27376] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27382] rt_sigprocmask(SIG_SETMASK, [], [pid 27381] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27379] rt_sigprocmask(SIG_SETMASK, [], [pid 27382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27381] <... futex resumed>) = 0 [pid 27379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27382] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27381] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27382] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27379] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27381] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27381] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27382] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27379] <... openat resumed>) = 3 [pid 27376] <... write resumed>) = 9 [pid 27381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27376] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27368] <... futex resumed>) = 0 [pid 27382] <... futex resumed>) = 1 [pid 27379] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27381] <... mmap resumed>) = 0x7f02635ac000 [pid 27376] <... futex resumed>) = 1 [pid 27370] <... futex resumed>) = 0 [pid 27368] exit_group(0 [pid 27382] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27381] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27379] <... futex resumed>) = 1 [pid 27377] <... futex resumed>) = 0 [pid 27376] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27370] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27382] <... futex resumed>) = ? [pid 27381] <... mprotect resumed>) = 0 [pid 27379] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27377] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27375] <... futex resumed>) = ? [pid 27370] <... futex resumed>) = 0 [pid 27368] <... exit_group resumed>) = ? [pid 27377] <... futex resumed>) = 0 [pid 27376] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27375] +++ exited with 0 +++ [pid 27370] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27381] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27377] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27376] <... write resumed>) = 10 [pid 27370] <... futex resumed>) = 0 [pid 27376] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27381] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27379] <... write resumed>) = 9 [pid 27381] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27379] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27376] <... futex resumed>) = 0 [pid 27370] <... mmap resumed>) = 0x7f026358b000 [pid 27379] <... futex resumed>) = 1 [pid 27377] <... futex resumed>) = 0 [pid 27376] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27370] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27382] +++ exited with 0 +++ [pid 27381] <... clone3 resumed> => {parent_tid=[27385]}, 88) = 27385 [pid 27379] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27377] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27370] <... mprotect resumed>) = 0 [pid 27368] +++ exited with 0 +++ ./strace-static-x86_64: Process 27383 attached [pid 27381] rt_sigprocmask(SIG_SETMASK, [], [pid 27379] <... write resumed>) = 10 [pid 27377] <... futex resumed>) = 0 [pid 27370] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27383] set_robust_list(0x7f02635ab9a0, 24 [pid 27381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27377] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27370] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 27384 attached [pid 27383] <... set_robust_list resumed>) = 0 [pid 27381] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27379] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27377] <... futex resumed>) = 0 [pid 27370] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27368, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 27386 attached ./strace-static-x86_64: Process 27385 attached [pid 27384] set_robust_list(0x7f02635ab9a0, 24 [pid 27383] rt_sigprocmask(SIG_SETMASK, [], [pid 27381] <... futex resumed>) = 0 [pid 27379] <... futex resumed>) = 0 [pid 27377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 27384] <... set_robust_list resumed>) = 0 [pid 27383] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27381] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27379] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27377] <... mmap resumed>) = 0x7f026358b000 [pid 27370] <... clone3 resumed> => {parent_tid=[27386]}, 88) = 27386 [pid 294] <... restart_syscall resumed>) = 0 [pid 27384] rt_sigprocmask(SIG_SETMASK, [], [pid 27383] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27377] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27370] rt_sigprocmask(SIG_SETMASK, [], [pid 27386] set_robust_list(0x7f02635ab9a0, 24 [pid 27385] set_robust_list(0x7f02635cc9a0, 24 [pid 27384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27383] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27377] <... mprotect resumed>) = 0 [pid 27370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27384] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27383] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27377] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27370] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27385] <... set_robust_list resumed>) = 0 [pid 27386] <... set_robust_list resumed>) = 0 [pid 27384] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27383] <... futex resumed>) = 1 [pid 27377] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27370] <... futex resumed>) = 0 [pid 27369] <... futex resumed>) = 0 [pid 27384] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27383] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27377] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27370] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27369] exit_group(0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27385] rt_sigprocmask(SIG_SETMASK, [], [pid 27384] <... futex resumed>) = 1 [pid 27383] <... futex resumed>) = ? [pid 27378] <... futex resumed>) = 0 [pid 27374] <... futex resumed>) = ? [pid 27369] <... exit_group resumed>) = ? [pid 27384] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27383] +++ exited with 0 +++ [pid 27378] exit_group(0 [pid 27377] <... clone3 resumed> => {parent_tid=[27387]}, 88) = 27387 [pid 27384] <... futex resumed>) = ? [pid 27380] <... futex resumed>) = ? [pid 27378] <... exit_group resumed>) = ? [pid 27377] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 27388 attached ./strace-static-x86_64: Process 27387 attached [pid 27386] rt_sigprocmask(SIG_SETMASK, [], [pid 27385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27384] +++ exited with 0 +++ [pid 27380] +++ exited with 0 +++ [pid 27378] +++ exited with 0 +++ [pid 27374] +++ exited with 0 +++ [pid 27369] +++ exited with 0 +++ [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27388 [pid 27388] set_robust_list(0x555555eba6a0, 24 [pid 27387] set_robust_list(0x7f02635ab9a0, 24 [pid 27386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27385] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27388] <... set_robust_list resumed>) = 0 [pid 27387] <... set_robust_list resumed>) = 0 [pid 27386] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27385] <... openat resumed>) = 3 [pid 27377] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27378, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27369, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27388] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27387] rt_sigprocmask(SIG_SETMASK, [], [pid 27386] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27385] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27388] <... prctl resumed>) = 0 [pid 27387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27386] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27385] <... futex resumed>) = 1 [pid 27381] <... futex resumed>) = 0 [pid 27377] <... futex resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27389 attached [pid 27388] setpgid(0, 0 [pid 27387] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27386] <... futex resumed>) = 1 [pid 27385] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27381] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27377] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27370] <... futex resumed>) = 0 [pid 27389] set_robust_list(0x555555eba6a0, 24 [pid 27388] <... setpgid resumed>) = 0 [pid 27387] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27386] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27381] <... futex resumed>) = 0 [pid 27389] <... set_robust_list resumed>) = 0 [pid 27388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27387] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27385] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27381] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27370] exit_group(0 [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27389 ./strace-static-x86_64: Process 27390 attached [pid 27389] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27388] <... openat resumed>) = 3 [pid 27387] <... futex resumed>) = 1 [pid 27385] <... write resumed>) = 9 [pid 27389] <... prctl resumed>) = 0 [pid 27388] write(3, "1000", 4 [pid 27387] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27386] <... futex resumed>) = ? [pid 27385] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27377] <... futex resumed>) = 0 [pid 27376] <... futex resumed>) = ? [pid 27370] <... exit_group resumed>) = ? [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27390 [pid 27390] set_robust_list(0x555555eba6a0, 24 [pid 27389] setpgid(0, 0 [pid 27388] <... write resumed>) = 4 [pid 27385] <... futex resumed>) = 1 [pid 27381] <... futex resumed>) = 0 [pid 27389] <... setpgid resumed>) = 0 [pid 27388] close(3 [pid 27385] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27381] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27388] <... close resumed>) = 0 [pid 27386] +++ exited with 0 +++ [pid 27385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27381] <... futex resumed>) = 0 [pid 27377] exit_group(0 [pid 27376] +++ exited with 0 +++ [pid 27389] <... openat resumed>) = 3 [pid 27388] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27385] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27381] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27370] +++ exited with 0 +++ [pid 27389] write(3, "1000", 4 [pid 27388] <... futex resumed>) = 0 [pid 27387] <... futex resumed>) = ? [pid 27385] <... write resumed>) = 10 [pid 27381] <... futex resumed>) = 0 [pid 27379] <... futex resumed>) = ? [pid 27377] <... exit_group resumed>) = ? [pid 27389] <... write resumed>) = 4 [pid 27388] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27387] +++ exited with 0 +++ [pid 27385] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27379] +++ exited with 0 +++ [pid 27389] close(3 [pid 27388] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27385] <... futex resumed>) = 0 [pid 27381] <... mmap resumed>) = 0x7f026358b000 [pid 27389] <... close resumed>) = 0 [pid 27388] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27385] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27381] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27389] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27381] <... mprotect resumed>) = 0 [pid 27377] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27370, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27389] <... futex resumed>) = 0 [pid 27388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27381] rt_sigprocmask(SIG_BLOCK, ~[], [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27377, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27389] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27388] <... mmap resumed>) = 0x7f02635ac000 [pid 27381] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27389] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27388] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27381] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27389] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27388] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 27392 attached ./strace-static-x86_64: Process 27391 attached [pid 27389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27388] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27381] <... clone3 resumed> => {parent_tid=[27391]}, 88) = 27391 [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27392 [pid 27390] <... set_robust_list resumed>) = 0 [pid 27389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27388] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27381] rt_sigprocmask(SIG_SETMASK, [], [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27389] <... mmap resumed>) = 0x7f02635ac000 [pid 27388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27389] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27381] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27389] <... mprotect resumed>) = 0 [pid 27388] <... clone3 resumed> => {parent_tid=[27393]}, 88) = 27393 [pid 27381] <... futex resumed>) = 0 [pid 27389] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27388] rt_sigprocmask(SIG_SETMASK, [], [pid 27381] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27389] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27388] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 27393 attached [pid 27390] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27388] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27394 [pid 27392] set_robust_list(0x555555eba6a0, 24 [pid 27391] set_robust_list(0x7f02635ab9a0, 24 [pid 27390] <... prctl resumed>) = 0 [pid 27388] <... futex resumed>) = 0 [pid 27389] <... clone3 resumed> => {parent_tid=[27395]}, 88) = 27395 [pid 27388] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27392] <... set_robust_list resumed>) = 0 [pid 27391] <... set_robust_list resumed>) = 0 [pid 27390] setpgid(0, 0 [pid 27389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27389] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27389] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27395 attached [pid 27395] set_robust_list(0x7f02635cc9a0, 24) = 0 [pid 27395] rt_sigprocmask(SIG_SETMASK, [], [pid 27392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27391] rt_sigprocmask(SIG_SETMASK, [], [pid 27390] <... setpgid resumed>) = 0 [pid 27395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27395] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27392] <... prctl resumed>) = 0 [pid 27391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27392] setpgid(0, 0) = 0 [pid 27391] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27390] <... openat resumed>) = 3 [pid 27395] <... openat resumed>) = 3 [pid 27395] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27389] <... futex resumed>) = 0 [pid 27389] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27389] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27395] <... futex resumed>) = 1 [pid 27395] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9) = 9 [pid 27395] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27391] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27390] write(3, "1000", 4 [pid 27392] <... openat resumed>) = 3 [pid 27390] <... write resumed>) = 4 [pid 27391] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27392] write(3, "1000", 4 [pid 27390] close(3 [pid 27392] <... write resumed>) = 4 [pid 27390] <... close resumed>) = 0 [pid 27391] <... futex resumed>) = 1 [pid 27381] <... futex resumed>) = 0 [pid 27392] close(3 [pid 27391] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27390] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27381] exit_group(0 [pid 27392] <... close resumed>) = 0 [pid 27391] <... futex resumed>) = ? [pid 27390] <... futex resumed>) = 0 [pid 27385] <... futex resumed>) = ? [pid 27381] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 27394 attached [pid 27395] <... futex resumed>) = 1 [pid 27393] set_robust_list(0x7f02635cc9a0, 24 [pid 27392] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27391] +++ exited with 0 +++ [pid 27390] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27385] +++ exited with 0 +++ [pid 27393] <... set_robust_list resumed>) = 0 [pid 27392] <... futex resumed>) = 0 [pid 27390] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27395] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27394] set_robust_list(0x555555eba6a0, 24 [pid 27393] rt_sigprocmask(SIG_SETMASK, [], [pid 27392] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27390] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27389] <... futex resumed>) = 0 [pid 27381] +++ exited with 0 +++ [pid 27393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27392] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27390] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27389] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27381, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27394] <... set_robust_list resumed>) = 0 [pid 27393] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27392] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27389] <... futex resumed>) = 0 [pid 27393] <... openat resumed>) = 3 [pid 27392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27390] <... mmap resumed>) = 0x7f02635ac000 [pid 27389] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27393] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27390] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27389] <... futex resumed>) = 0 [pid 27393] <... futex resumed>) = 1 [pid 27392] <... mmap resumed>) = 0x7f02635ac000 [pid 27390] <... mprotect resumed>) = 0 [pid 27389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27388] <... futex resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27395] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27394] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27393] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27392] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27390] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27392] <... mprotect resumed>) = 0 [pid 27390] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27389] <... mmap resumed>) = 0x7f026358b000 [pid 27388] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27396 attached [pid 27395] <... write resumed>) = 10 [pid 27394] <... prctl resumed>) = 0 [pid 27393] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27392] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27390] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27389] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27388] <... futex resumed>) = 0 [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27396 ./strace-static-x86_64: Process 27397 attached [pid 27396] set_robust_list(0x555555eba6a0, 24 [pid 27395] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27394] setpgid(0, 0 [pid 27393] <... write resumed>) = 9 [pid 27392] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27389] <... mprotect resumed>) = 0 [pid 27388] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27397] set_robust_list(0x7f02635cc9a0, 24 [pid 27396] <... set_robust_list resumed>) = 0 [pid 27395] <... futex resumed>) = 0 [pid 27394] <... setpgid resumed>) = 0 [pid 27393] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27392] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27390] <... clone3 resumed> => {parent_tid=[27397]}, 88) = 27397 [pid 27389] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27396] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27395] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27393] <... futex resumed>) = 0 [pid 27390] rt_sigprocmask(SIG_SETMASK, [], [pid 27389] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27388] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27397] <... set_robust_list resumed>) = 0 [pid 27396] <... prctl resumed>) = 0 [pid 27394] <... openat resumed>) = 3 [pid 27393] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27392] <... clone3 resumed> => {parent_tid=[27398]}, 88) = 27398 [pid 27390] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27388] <... futex resumed>) = 0 [pid 27397] rt_sigprocmask(SIG_SETMASK, [], [pid 27396] setpgid(0, 0 [pid 27394] write(3, "1000", 4 [pid 27393] <... write resumed>) = 10 [pid 27392] rt_sigprocmask(SIG_SETMASK, [], [pid 27390] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27396] <... setpgid resumed>) = 0 [pid 27394] <... write resumed>) = 4 [pid 27393] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27390] <... futex resumed>) = 0 [pid 27389] <... clone3 resumed> => {parent_tid=[27399]}, 88) = 27399 [pid 27388] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27399 attached [pid 27397] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27394] close(3 [pid 27393] <... futex resumed>) = 0 [pid 27392] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27390] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27389] rt_sigprocmask(SIG_SETMASK, [], [pid 27388] <... futex resumed>) = 0 [pid 27397] <... openat resumed>) = 3 [pid 27393] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27392] <... futex resumed>) = 0 [pid 27397] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27396] <... openat resumed>) = 3 [pid 27392] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27397] <... futex resumed>) = 1 [pid 27396] write(3, "1000", 4 [pid 27394] <... close resumed>) = 0 [pid 27390] <... futex resumed>) = 0 [pid 27389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27397] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27396] <... write resumed>) = 4 [pid 27394] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27390] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27389] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27397] <... write resumed>) = 9 [pid 27390] <... futex resumed>) = 0 [pid 27388] <... mmap resumed>) = 0x7f026358b000 [pid 27397] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27390] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27397] <... futex resumed>) = 0 [pid 27390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27397] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27396] close(3 [pid 27394] <... futex resumed>) = 0 [pid 27390] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27389] <... futex resumed>) = 0 [pid 27388] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27390] <... futex resumed>) = 0 [pid 27397] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27390] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27397] <... write resumed>) = 10 [pid 27390] <... futex resumed>) = 0 [pid 27397] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27389] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27388] <... mprotect resumed>) = 0 [pid 27397] <... futex resumed>) = 0 [pid 27396] <... close resumed>) = 0 [pid 27394] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27390] <... mmap resumed>) = 0x7f026358b000 [pid 27388] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27397] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27396] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27390] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27394] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27388] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27396] <... futex resumed>) = 0 [pid 27394] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27390] <... mprotect resumed>) = 0 [pid 27388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27396] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27390] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 27398 attached [pid 27396] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27390] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27388] <... clone3 resumed> => {parent_tid=[27400]}, 88) = 27400 [pid 27399] set_robust_list(0x7f02635ab9a0, 24 [pid 27390] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0}./strace-static-x86_64: Process 27400 attached [pid 27396] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27394] <... mmap resumed>) = 0x7f02635ac000 [pid 27390] <... clone3 resumed> => {parent_tid=[27401]}, 88) = 27401 [pid 27388] rt_sigprocmask(SIG_SETMASK, [], [pid 27399] <... set_robust_list resumed>) = 0 [pid 27398] set_robust_list(0x7f02635cc9a0, 24 [pid 27390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27390] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27390] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27401 attached [pid 27401] set_robust_list(0x7f02635ab9a0, 24) = 0 [pid 27399] rt_sigprocmask(SIG_SETMASK, [], [pid 27398] <... set_robust_list resumed>) = 0 [pid 27396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27394] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27401] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27401] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10) = -1 EINVAL (Invalid argument) [pid 27401] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 27390] <... futex resumed>) = 0 [pid 27401] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27398] rt_sigprocmask(SIG_SETMASK, [], [pid 27396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27394] <... mprotect resumed>) = 0 [pid 27390] exit_group(0 [pid 27388] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27401] <... futex resumed>) = ? [pid 27397] <... futex resumed>) = ? [pid 27390] <... exit_group resumed>) = ? [pid 27401] +++ exited with 0 +++ [pid 27400] set_robust_list(0x7f02635ab9a0, 24 [pid 27399] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27398] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27397] +++ exited with 0 +++ [pid 27396] <... mmap resumed>) = 0x7f02635ac000 [pid 27394] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27388] <... futex resumed>) = 0 [pid 27400] <... set_robust_list resumed>) = 0 [pid 27390] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27390, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27400] rt_sigprocmask(SIG_SETMASK, [], [pid 27399] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27398] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27396] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27394] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27388] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27402 attached [pid 27400] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27399] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27396] <... mprotect resumed>) = 0 [pid 27394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27402] set_robust_list(0x555555eba6a0, 24 [pid 27399] <... futex resumed>) = 1 [pid 27398] <... openat resumed>) = 3 [pid 27389] <... futex resumed>) = 0 [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27402 [pid 27396] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27402] <... set_robust_list resumed>) = 0 [pid 27399] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27398] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27396] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27400] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27389] exit_group(0 [pid 27402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27400] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27399] <... futex resumed>) = ? [pid 27398] <... futex resumed>) = 1 [pid 27396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27395] <... futex resumed>) = ? [pid 27394] <... clone3 resumed> => {parent_tid=[27403]}, 88) = 27403 [pid 27392] <... futex resumed>) = 0 [pid 27389] <... exit_group resumed>) = ? [pid 27402] <... prctl resumed>) = 0 [pid 27399] +++ exited with 0 +++ [pid 27395] +++ exited with 0 +++ [pid 27394] rt_sigprocmask(SIG_SETMASK, [], [pid 27392] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27402] setpgid(0, 0 [pid 27392] <... futex resumed>) = 0 [pid 27402] <... setpgid resumed>) = 0 [pid 27392] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 27389] +++ exited with 0 +++ [pid 27398] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27396] <... clone3 resumed> => {parent_tid=[27404]}, 88) = 27404 [pid 27394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27400] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27402] write(3, "1000", 4 [pid 27398] <... write resumed>) = 9 [pid 27396] rt_sigprocmask(SIG_SETMASK, [], [pid 27394] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27389, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27388] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27403 attached [pid 27402] <... write resumed>) = 4 [pid 27400] <... futex resumed>) = 1 [pid 27398] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27394] <... futex resumed>) = 0 [pid 27388] exit_group(0 [pid 297] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 27404 attached [pid 27403] set_robust_list(0x7f02635cc9a0, 24 [pid 27402] close(3 [pid 27398] <... futex resumed>) = 1 [pid 27396] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27394] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27393] <... futex resumed>) = ? [pid 27392] <... futex resumed>) = 0 [pid 27388] <... exit_group resumed>) = ? [pid 297] <... restart_syscall resumed>) = 0 [pid 27403] <... set_robust_list resumed>) = 0 [pid 27402] <... close resumed>) = 0 [pid 27400] +++ exited with 0 +++ [pid 27398] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27396] <... futex resumed>) = 0 [pid 27393] +++ exited with 0 +++ [pid 27392] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27403] rt_sigprocmask(SIG_SETMASK, [], [pid 27402] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27392] <... futex resumed>) = 0 [pid 27403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27402] <... futex resumed>) = 0 [pid 27392] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27388] +++ exited with 0 +++ [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27396] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27405 attached [pid 27404] set_robust_list(0x7f02635cc9a0, 24 [pid 27403] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27402] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27392] <... futex resumed>) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27388, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27405] set_robust_list(0x555555eba6a0, 24 [pid 27403] <... openat resumed>) = 3 [pid 27402] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27398] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27405 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 27405] <... set_robust_list resumed>) = 0 [pid 27404] <... set_robust_list resumed>) = 0 [pid 27403] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27402] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27398] <... write resumed>) = 10 [pid 27392] <... mmap resumed>) = 0x7f026358b000 [pid 294] <... restart_syscall resumed>) = 0 [pid 27405] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27404] rt_sigprocmask(SIG_SETMASK, [], [pid 27403] <... futex resumed>) = 1 [pid 27402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27398] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27394] <... futex resumed>) = 0 [pid 27392] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27405] <... prctl resumed>) = 0 [pid 27403] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27398] <... futex resumed>) = 0 [pid 27394] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27392] <... mprotect resumed>) = 0 [pid 27405] setpgid(0, 0 [pid 27403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27402] <... mmap resumed>) = 0x7f02635ac000 [pid 27398] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27394] <... futex resumed>) = 0 [pid 27392] rt_sigprocmask(SIG_BLOCK, ~[], [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27405] <... setpgid resumed>) = 0 [pid 27404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27403] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27402] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27394] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27392] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 27406 attached [pid 27405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27404] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27403] <... write resumed>) = 9 [pid 27402] <... mprotect resumed>) = 0 [pid 27392] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27406 [pid 27405] <... openat resumed>) = 3 [pid 27404] <... openat resumed>) = 3 [pid 27403] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27404] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27403] <... futex resumed>) = 1 [pid 27394] <... futex resumed>) = 0 [pid 27405] write(3, "1000", 4 [pid 27404] <... futex resumed>) = 1 [pid 27403] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27402] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27396] <... futex resumed>) = 0 [pid 27394] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27392] <... clone3 resumed> => {parent_tid=[27407]}, 88) = 27407 [pid 27405] <... write resumed>) = 4 [pid 27404] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27403] <... write resumed>) = 10 [pid 27402] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27396] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27394] <... futex resumed>) = 0 [pid 27392] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 27407 attached [pid 27406] set_robust_list(0x555555eba6a0, 24 [pid 27405] close(3 [pid 27403] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27402] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27396] <... futex resumed>) = 0 [pid 27394] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27407] set_robust_list(0x7f02635ab9a0, 24 [pid 27406] <... set_robust_list resumed>) = 0 [pid 27405] <... close resumed>) = 0 [pid 27403] <... futex resumed>) = 0 [pid 27396] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27392] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27407] <... set_robust_list resumed>) = 0 [pid 27406] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27405] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27403] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27402] <... clone3 resumed> => {parent_tid=[27408]}, 88) = 27408 [pid 27394] <... futex resumed>) = 0 [pid 27392] <... futex resumed>) = 0 [pid 27407] rt_sigprocmask(SIG_SETMASK, [], [pid 27406] <... prctl resumed>) = 0 [pid 27405] <... futex resumed>) = 0 [pid 27404] <... write resumed>) = 9 [pid 27403] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27402] rt_sigprocmask(SIG_SETMASK, [], [pid 27394] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27392] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27406] setpgid(0, 0 [pid 27405] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27404] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27403] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27407] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27406] <... setpgid resumed>) = 0 [pid 27405] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27404] <... futex resumed>) = 1 [pid 27403] <... futex resumed>) = 0 [pid 27402] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27396] <... futex resumed>) = 0 [pid 27394] exit_group(0 [pid 27407] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27405] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27404] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27402] <... futex resumed>) = 0 [pid 27396] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27394] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 27408 attached [pid 27407] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27406] <... openat resumed>) = 3 [pid 27405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27404] <... write resumed>) = 10 [pid 27403] +++ exited with 0 +++ [pid 27402] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27396] <... futex resumed>) = 0 [pid 27407] <... futex resumed>) = 1 [pid 27406] write(3, "1000", 4 [pid 27405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27392] <... futex resumed>) = 0 [pid 27407] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27406] <... write resumed>) = 4 [pid 27405] <... mmap resumed>) = 0x7f02635ac000 [pid 27396] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27394] +++ exited with 0 +++ [pid 27392] exit_group(0 [pid 27407] <... futex resumed>) = ? [pid 27406] close(3 [pid 27405] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27404] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27398] <... futex resumed>) = ? [pid 27396] <... futex resumed>) = 0 [pid 27392] <... exit_group resumed>) = ? [pid 27407] +++ exited with 0 +++ [pid 27406] <... close resumed>) = 0 [pid 27405] <... mprotect resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27394, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27406] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27405] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27406] <... futex resumed>) = 0 [pid 27405] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27406] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27406] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27398] +++ exited with 0 +++ [pid 27392] +++ exited with 0 +++ [pid 27404] <... futex resumed>) = 0 [pid 27396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27406] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27405] <... clone3 resumed> => {parent_tid=[27409]}, 88) = 27409 [pid 27396] <... mmap resumed>) = 0x7f026358b000 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27392, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 27406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27405] rt_sigprocmask(SIG_SETMASK, [], [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 27404] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27396] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... restart_syscall resumed>) = 0 [pid 27406] <... mmap resumed>) = 0x7f02635ac000 [pid 27405] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27396] <... mprotect resumed>) = 0 [pid 27406] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27405] <... futex resumed>) = 0 [pid 27406] <... mprotect resumed>) = 0 [pid 27405] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27396] rt_sigprocmask(SIG_BLOCK, ~[], [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27410 attached ./strace-static-x86_64: Process 27409 attached ./strace-static-x86_64: Process 27411 attached [pid 27408] set_robust_list(0x7f02635cc9a0, 24 [pid 27406] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27396] <... rt_sigprocmask resumed>[], 8) = 0 [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27410 [pid 27410] set_robust_list(0x555555eba6a0, 24 [pid 27409] set_robust_list(0x7f02635cc9a0, 24 [pid 27408] <... set_robust_list resumed>) = 0 [pid 27396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0}./strace-static-x86_64: Process 27412 attached [pid 27411] set_robust_list(0x555555eba6a0, 24 [pid 27410] <... set_robust_list resumed>) = 0 [pid 27409] <... set_robust_list resumed>) = 0 [pid 27408] rt_sigprocmask(SIG_SETMASK, [], [pid 27406] <... rt_sigprocmask resumed>[], 8) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27411 [pid 27411] <... set_robust_list resumed>) = 0 [pid 27410] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27409] rt_sigprocmask(SIG_SETMASK, [], [pid 27408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27396] <... clone3 resumed> => {parent_tid=[27412]}, 88) = 27412 [pid 27411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27410] <... prctl resumed>) = 0 [pid 27409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27408] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27406] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27396] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 27413 attached [pid 27412] set_robust_list(0x7f02635ab9a0, 24 [pid 27411] <... prctl resumed>) = 0 [pid 27410] setpgid(0, 0 [pid 27409] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27408] <... openat resumed>) = 3 [pid 27396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27413] set_robust_list(0x7f02635cc9a0, 24 [pid 27411] setpgid(0, 0 [pid 27410] <... setpgid resumed>) = 0 [pid 27409] <... openat resumed>) = 3 [pid 27408] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27406] <... clone3 resumed> => {parent_tid=[27413]}, 88) = 27413 [pid 27396] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27413] <... set_robust_list resumed>) = 0 [pid 27412] <... set_robust_list resumed>) = 0 [pid 27411] <... setpgid resumed>) = 0 [pid 27410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27409] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27408] <... futex resumed>) = 1 [pid 27406] rt_sigprocmask(SIG_SETMASK, [], [pid 27402] <... futex resumed>) = 0 [pid 27413] rt_sigprocmask(SIG_SETMASK, [], [pid 27411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27410] <... openat resumed>) = 3 [pid 27409] <... futex resumed>) = 1 [pid 27408] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27405] <... futex resumed>) = 0 [pid 27412] rt_sigprocmask(SIG_SETMASK, [], [pid 27402] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27396] <... futex resumed>) = 0 [pid 27413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27411] <... openat resumed>) = 3 [pid 27410] write(3, "1000", 4 [pid 27409] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27406] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27405] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27402] <... futex resumed>) = 0 [pid 27396] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27413] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27411] write(3, "1000", 4 [pid 27410] <... write resumed>) = 4 [pid 27409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27408] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27406] <... futex resumed>) = 0 [pid 27405] <... futex resumed>) = 0 [pid 27402] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27413] <... openat resumed>) = 3 [pid 27411] <... write resumed>) = 4 [pid 27410] close(3 [pid 27409] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27408] <... write resumed>) = 9 [pid 27406] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27405] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27413] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27412] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27411] close(3 [pid 27410] <... close resumed>) = 0 [pid 27409] <... write resumed>) = 9 [pid 27408] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27413] <... futex resumed>) = 0 [pid 27412] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27411] <... close resumed>) = 0 [pid 27410] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27409] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27408] <... futex resumed>) = 1 [pid 27406] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27402] <... futex resumed>) = 0 [pid 27413] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27412] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27411] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27410] <... futex resumed>) = 0 [pid 27409] <... futex resumed>) = 1 [pid 27408] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27406] <... futex resumed>) = 0 [pid 27405] <... futex resumed>) = 0 [pid 27402] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27413] <... write resumed>) = 9 [pid 27412] <... futex resumed>) = 1 [pid 27411] <... futex resumed>) = 0 [pid 27410] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27409] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27408] <... write resumed>) = 10 [pid 27406] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27405] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27402] <... futex resumed>) = 0 [pid 27396] <... futex resumed>) = 0 [pid 27413] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27412] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27411] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27410] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27408] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27405] <... futex resumed>) = 0 [pid 27402] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27396] exit_group(0 [pid 27413] <... futex resumed>) = 0 [pid 27412] <... futex resumed>) = ? [pid 27411] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27410] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27409] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27408] <... futex resumed>) = 0 [pid 27406] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27405] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27404] <... futex resumed>) = ? [pid 27402] <... futex resumed>) = 0 [pid 27396] <... exit_group resumed>) = ? [pid 27413] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27412] +++ exited with 0 +++ [pid 27411] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27409] <... write resumed>) = 10 [pid 27408] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27406] <... futex resumed>) = 0 [pid 27405] <... futex resumed>) = 0 [pid 27404] +++ exited with 0 +++ [pid 27402] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27413] <... write resumed>) = 10 [pid 27411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27409] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27408] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27406] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27396] +++ exited with 0 +++ [pid 27413] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27410] <... mmap resumed>) = 0x7f02635ac000 [pid 27409] <... futex resumed>) = 0 [pid 27408] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27406] <... futex resumed>) = 0 [pid 27405] <... mmap resumed>) = 0x7f026358b000 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27396, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27413] <... futex resumed>) = 0 [pid 27411] <... mmap resumed>) = 0x7f02635ac000 [pid 27410] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27409] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27408] <... futex resumed>) = 1 [pid 27406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27405] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27402] <... futex resumed>) = 0 [pid 27413] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27411] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27410] <... mprotect resumed>) = 0 [pid 27408] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27406] <... mmap resumed>) = 0x7f026358b000 [pid 27405] <... mprotect resumed>) = 0 [pid 27402] exit_group(0 [pid 27411] <... mprotect resumed>) = 0 [pid 27410] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27408] <... futex resumed>) = ? [pid 27406] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27405] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27402] <... exit_group resumed>) = ? [pid 27411] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27410] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27408] +++ exited with 0 +++ [pid 27406] <... mprotect resumed>) = 0 [pid 27405] <... rt_sigprocmask resumed>[], 8) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27411] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27406] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27402] +++ exited with 0 +++ [pid 27411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27406] <... rt_sigprocmask resumed>[], 8) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27402, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 27416 attached [pid 27410] <... clone3 resumed> => {parent_tid=[27416]}, 88) = 27416 [pid 27406] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27405] <... clone3 resumed> => {parent_tid=[27415]}, 88) = 27415 [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27414 ./strace-static-x86_64: Process 27418 attached ./strace-static-x86_64: Process 27415 attached ./strace-static-x86_64: Process 27414 attached [pid 27416] set_robust_list(0x7f02635cc9a0, 24 [pid 27411] <... clone3 resumed> => {parent_tid=[27417]}, 88) = 27417 [pid 27410] rt_sigprocmask(SIG_SETMASK, [], [pid 27405] rt_sigprocmask(SIG_SETMASK, [], [pid 27416] <... set_robust_list resumed>) = 0 [pid 27414] set_robust_list(0x555555eba6a0, 24 [pid 27411] rt_sigprocmask(SIG_SETMASK, [], [pid 27410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27406] <... clone3 resumed> => {parent_tid=[27418]}, 88) = 27418 [pid 27405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27417 attached [pid 27418] set_robust_list(0x7f02635ab9a0, 24 [pid 27416] rt_sigprocmask(SIG_SETMASK, [], [pid 27415] set_robust_list(0x7f02635ab9a0, 24 [pid 27414] <... set_robust_list resumed>) = 0 [pid 27411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27410] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27406] rt_sigprocmask(SIG_SETMASK, [], [pid 27405] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27419 attached [pid 27411] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27405] <... futex resumed>) = 0 [pid 27419] set_robust_list(0x555555eba6a0, 24 [pid 27411] <... futex resumed>) = 0 [pid 27406] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27405] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27419 [pid 27419] <... set_robust_list resumed>) = 0 [pid 27416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27414] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27411] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27410] <... futex resumed>) = 0 [pid 27406] <... futex resumed>) = 0 [pid 27415] <... set_robust_list resumed>) = 0 [pid 27419] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27418] <... set_robust_list resumed>) = 0 [pid 27417] set_robust_list(0x7f02635cc9a0, 24 [pid 27406] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27419] <... prctl resumed>) = 0 [pid 27419] setpgid(0, 0) = 0 [pid 27419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 27416] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27415] rt_sigprocmask(SIG_SETMASK, [], [pid 27414] <... prctl resumed>) = 0 [pid 27410] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27418] rt_sigprocmask(SIG_SETMASK, [], [pid 27417] <... set_robust_list resumed>) = 0 [pid 27416] <... openat resumed>) = 3 [pid 27414] setpgid(0, 0 [pid 27416] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27414] <... setpgid resumed>) = 0 [pid 27416] <... futex resumed>) = 1 [pid 27415] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27410] <... futex resumed>) = 0 [pid 27419] write(3, "1000", 4 [pid 27416] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27415] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27410] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27419] <... write resumed>) = 4 [pid 27416] <... write resumed>) = 9 [pid 27414] <... openat resumed>) = 3 [pid 27419] close(3 [pid 27416] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27415] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27414] write(3, "1000", 4 [pid 27410] <... futex resumed>) = 0 [pid 27419] <... close resumed>) = 0 [pid 27416] <... futex resumed>) = 0 [pid 27414] <... write resumed>) = 4 [pid 27410] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27415] <... futex resumed>) = 1 [pid 27405] <... futex resumed>) = 0 [pid 27419] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27416] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27415] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27414] close(3 [pid 27410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27405] exit_group(0 [pid 27419] <... futex resumed>) = 0 [pid 27418] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27415] <... futex resumed>) = ? [pid 27414] <... close resumed>) = 0 [pid 27410] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27409] <... futex resumed>) = ? [pid 27405] <... exit_group resumed>) = ? [pid 27419] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27418] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27417] rt_sigprocmask(SIG_SETMASK, [], [pid 27416] <... futex resumed>) = 0 [pid 27415] +++ exited with 0 +++ [pid 27414] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27410] <... futex resumed>) = 1 [pid 27409] +++ exited with 0 +++ [pid 27405] +++ exited with 0 +++ [pid 27419] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27418] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27416] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27414] <... futex resumed>) = 0 [pid 27410] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27405, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27419] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27418] <... futex resumed>) = 1 [pid 27416] <... write resumed>) = 10 [pid 27410] <... futex resumed>) = 0 [pid 27406] <... futex resumed>) = 0 [pid 27414] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27418] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27416] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27414] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27406] exit_group(0 [pid 27419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27418] <... futex resumed>) = ? [pid 27416] <... futex resumed>) = 0 [pid 27414] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27413] <... futex resumed>) = ? [pid 27410] <... mmap resumed>) = 0x7f026358b000 [pid 27406] <... exit_group resumed>) = ? [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27419] <... mmap resumed>) = 0x7f02635ac000 [pid 27418] +++ exited with 0 +++ [pid 27417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27416] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27413] +++ exited with 0 +++ [pid 27410] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 27420 attached [pid 27419] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27417] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27410] <... mprotect resumed>) = 0 [pid 27406] +++ exited with 0 +++ [pid 27420] set_robust_list(0x555555eba6a0, 24 [pid 27419] <... mprotect resumed>) = 0 [pid 27414] <... mmap resumed>) = 0x7f02635ac000 [pid 27410] rt_sigprocmask(SIG_BLOCK, ~[], [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27420 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27406, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27420] <... set_robust_list resumed>) = 0 [pid 27419] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27414] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27410] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27420] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27419] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27414] <... mprotect resumed>) = 0 [pid 27410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27420] <... prctl resumed>) = 0 [pid 27419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27414] rt_sigprocmask(SIG_BLOCK, ~[], [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27422 attached ./strace-static-x86_64: Process 27423 attached ./strace-static-x86_64: Process 27421 attached [pid 27420] setpgid(0, 0 [pid 27417] <... openat resumed>) = 3 [pid 27414] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27423] set_robust_list(0x555555eba6a0, 24 [pid 27422] set_robust_list(0x7f02635cc9a0, 24 [pid 27421] set_robust_list(0x7f02635ab9a0, 24 [pid 27420] <... setpgid resumed>) = 0 [pid 27419] <... clone3 resumed> => {parent_tid=[27422]}, 88) = 27422 [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27423 [pid 27423] <... set_robust_list resumed>) = 0 [pid 27422] <... set_robust_list resumed>) = 0 [pid 27421] <... set_robust_list resumed>) = 0 [pid 27420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27419] rt_sigprocmask(SIG_SETMASK, [], [pid 27417] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27414] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27410] <... clone3 resumed> => {parent_tid=[27421]}, 88) = 27421 [pid 27423] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27422] rt_sigprocmask(SIG_SETMASK, [], [pid 27421] rt_sigprocmask(SIG_SETMASK, [], [pid 27420] <... openat resumed>) = 3 [pid 27419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27410] rt_sigprocmask(SIG_SETMASK, [], [pid 27417] <... futex resumed>) = 1 [pid 27411] <... futex resumed>) = 0 [pid 27423] <... prctl resumed>) = 0 [pid 27420] write(3, "1000", 4 [pid 27419] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27411] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27424 attached [pid 27423] setpgid(0, 0 [pid 27420] <... write resumed>) = 4 [pid 27419] <... futex resumed>) = 0 [pid 27417] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27421] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27414] <... clone3 resumed> => {parent_tid=[27424]}, 88) = 27424 [pid 27422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27411] <... futex resumed>) = 0 [pid 27410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27423] <... setpgid resumed>) = 0 [pid 27420] close(3 [pid 27419] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27411] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27420] <... close resumed>) = 0 [pid 27417] <... write resumed>) = 9 [pid 27414] rt_sigprocmask(SIG_SETMASK, [], [pid 27410] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27423] <... openat resumed>) = 3 [pid 27421] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27420] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27423] write(3, "1000", 4 [pid 27420] <... futex resumed>) = 0 [pid 27424] set_robust_list(0x7f02635cc9a0, 24 [pid 27423] <... write resumed>) = 4 [pid 27420] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27410] <... futex resumed>) = 0 [pid 27424] <... set_robust_list resumed>) = 0 [pid 27423] close(3 [pid 27420] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27410] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27424] rt_sigprocmask(SIG_SETMASK, [], [pid 27423] <... close resumed>) = 0 [pid 27420] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27423] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27417] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27424] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27423] <... futex resumed>) = 0 [pid 27420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27417] <... futex resumed>) = 1 [pid 27414] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27411] <... futex resumed>) = 0 [pid 27424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27423] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27421] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27420] <... mmap resumed>) = 0x7f02635ac000 [pid 27417] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27414] <... futex resumed>) = 0 [pid 27411] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27424] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27423] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27421] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27420] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27417] <... write resumed>) = 10 [pid 27414] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27411] <... futex resumed>) = 0 [pid 27424] <... openat resumed>) = 3 [pid 27423] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27421] <... futex resumed>) = 1 [pid 27420] <... mprotect resumed>) = 0 [pid 27417] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27411] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27410] <... futex resumed>) = 0 [pid 27424] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27422] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27421] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27420] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27417] <... futex resumed>) = 0 [pid 27411] <... futex resumed>) = 0 [pid 27410] exit_group(0 [pid 27424] <... futex resumed>) = 1 [pid 27423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27421] <... futex resumed>) = ? [pid 27420] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27417] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27416] <... futex resumed>) = ? [pid 27414] <... futex resumed>) = 0 [pid 27411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27410] <... exit_group resumed>) = ? [pid 27424] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27423] <... mmap resumed>) = 0x7f02635ac000 [pid 27422] <... openat resumed>) = 3 [pid 27421] +++ exited with 0 +++ [pid 27420] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27416] +++ exited with 0 +++ [pid 27414] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27411] <... mmap resumed>) = 0x7f026358b000 [pid 27424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27423] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27414] <... futex resumed>) = 0 [pid 27411] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27410] +++ exited with 0 +++ ./strace-static-x86_64: Process 27425 attached [pid 27424] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27423] <... mprotect resumed>) = 0 [pid 27422] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27420] <... clone3 resumed> => {parent_tid=[27425]}, 88) = 27425 [pid 27414] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27411] <... mprotect resumed>) = 0 [pid 27424] <... write resumed>) = 9 [pid 27423] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27420] rt_sigprocmask(SIG_SETMASK, [], [pid 27411] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27424] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27423] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27411] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27424] <... futex resumed>) = 0 [pid 27423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27422] <... futex resumed>) = 1 [pid 27420] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27419] <... futex resumed>) = 0 [pid 27414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0}./strace-static-x86_64: Process 27427 attached [pid 27425] set_robust_list(0x7f02635cc9a0, 24 [pid 27424] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27422] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27420] <... futex resumed>) = 0 [pid 27419] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27414] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27410, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27423] <... clone3 resumed> => {parent_tid=[27426]}, 88) = 27426 [pid 27420] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27419] <... futex resumed>) = 0 [pid 27411] <... clone3 resumed> => {parent_tid=[27427]}, 88) = 27427 [pid 27424] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27423] rt_sigprocmask(SIG_SETMASK, [], [pid 27419] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27411] rt_sigprocmask(SIG_SETMASK, [], [pid 27424] <... write resumed>) = 10 [pid 27423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27424] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27423] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27411] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27424] <... futex resumed>) = 0 [pid 27423] <... futex resumed>) = 0 [pid 27411] <... futex resumed>) = 0 [pid 27424] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27423] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27411] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27427] set_robust_list(0x7f02635ab9a0, 24 [pid 27425] <... set_robust_list resumed>) = 0 [pid 27424] <... futex resumed>) = 0 [pid 27422] <... write resumed>) = 9 [pid 27414] <... futex resumed>) = 1 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27424] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 27426 attached [pid 27426] set_robust_list(0x7f02635cc9a0, 24) = 0 [pid 27426] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27426] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27422] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27414] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27426] <... openat resumed>) = 3 [pid 27426] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27423] <... futex resumed>) = 0 [pid 27423] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27423] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27426] <... futex resumed>) = 1 [pid 27426] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9./strace-static-x86_64: Process 27428 attached [pid 27427] <... set_robust_list resumed>) = 0 [pid 27425] rt_sigprocmask(SIG_SETMASK, [], [pid 27424] <... futex resumed>) = 0 [pid 27422] <... futex resumed>) = 1 [pid 27419] <... futex resumed>) = 0 [pid 27414] <... futex resumed>) = 1 [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27428 [pid 27424] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27419] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27424] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27422] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27419] <... futex resumed>) = 0 [pid 27414] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27424] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27419] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27424] <... futex resumed>) = 0 [pid 27422] <... write resumed>) = 10 [pid 27419] <... futex resumed>) = 0 [pid 27414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27424] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f026358b000 [pid 27419] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} => {parent_tid=[27429]}, 88) = 27429 [pid 27419] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27419] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 27429 attached [pid 27427] rt_sigprocmask(SIG_SETMASK, [], [pid 27425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27422] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27419] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27414] exit_group(0 [pid 27428] set_robust_list(0x555555eba6a0, 24 [pid 27426] <... write resumed>) = 9 [pid 27429] set_robust_list(0x7f02635ab9a0, 24 [pid 27428] <... set_robust_list resumed>) = 0 [pid 27427] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27426] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27425] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27424] <... futex resumed>) = ? [pid 27422] <... futex resumed>) = 0 [pid 27414] <... exit_group resumed>) = ? [pid 27424] +++ exited with 0 +++ [pid 27429] <... set_robust_list resumed>) = 0 [pid 27429] rt_sigprocmask(SIG_SETMASK, [], [pid 27425] <... openat resumed>) = 3 [pid 27422] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27429] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10) = -1 EINVAL (Invalid argument) [pid 27429] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 27419] <... futex resumed>) = 0 [pid 27429] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27419] exit_group(0 [pid 27429] <... futex resumed>) = ? [pid 27419] <... exit_group resumed>) = ? [pid 27429] +++ exited with 0 +++ [pid 27427] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27425] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27422] <... futex resumed>) = ? [pid 27414] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27414, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27427] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27425] <... futex resumed>) = 1 [pid 27422] +++ exited with 0 +++ [pid 27420] <... futex resumed>) = 0 [pid 27419] +++ exited with 0 +++ [pid 27428] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27423] <... futex resumed>) = 0 [pid 27427] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27426] <... futex resumed>) = 1 [pid 27423] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27420] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27430 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27423] <... futex resumed>) = 0 [pid 27420] <... futex resumed>) = 0 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 27423] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27420] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] <... restart_syscall resumed>) = 0 [pid 27427] <... futex resumed>) = 1 [pid 27425] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27423] <... futex resumed>) = 0 [pid 27411] <... futex resumed>) = 0 [pid 27423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27411] exit_group(0 [pid 27425] <... write resumed>) = 9 [pid 27428] <... prctl resumed>) = 0 [pid 27427] +++ exited with 0 +++ [pid 27426] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27425] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27423] <... mmap resumed>) = 0x7f026358b000 [pid 27417] <... futex resumed>) = ? [pid 27411] <... exit_group resumed>) = ? [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27430 attached [pid 27428] setpgid(0, 0 [pid 27426] <... write resumed>) = 10 [pid 27425] <... futex resumed>) = 1 [pid 27423] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27420] <... futex resumed>) = 0 [pid 27417] +++ exited with 0 +++ [pid 27411] +++ exited with 0 +++ [pid 27428] <... setpgid resumed>) = 0 [pid 27426] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27425] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27423] <... mprotect resumed>) = 0 [pid 27420] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27411, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27423] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27420] <... futex resumed>) = 0 [pid 27425] <... write resumed>) = 10 [pid 27423] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27420] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27426] <... futex resumed>) = 0 [pid 27425] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27420] <... futex resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27431 [pid 27428] <... openat resumed>) = 3 [pid 27426] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27425] <... futex resumed>) = 0 [pid 27420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27423] <... clone3 resumed> => {parent_tid=[27432]}, 88) = 27432 [pid 27420] <... mmap resumed>) = 0x7f026358b000 [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27433 [pid 27425] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27423] rt_sigprocmask(SIG_SETMASK, [], [pid 27420] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27428] write(3, "1000", 4 [pid 27423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27420] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 27432 attached ./strace-static-x86_64: Process 27431 attached [pid 27430] set_robust_list(0x555555eba6a0, 24 [pid 27428] <... write resumed>) = 4 [pid 27423] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27420] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27423] <... futex resumed>) = 0 [pid 27420] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27423] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27420] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27428] close(3 [pid 27420] <... clone3 resumed> => {parent_tid=[27434]}, 88) = 27434 [pid 27428] <... close resumed>) = 0 [pid 27420] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27420] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27428] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27420] <... futex resumed>) = 0 [pid 27420] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27434 attached [pid 27434] set_robust_list(0x7f02635ab9a0, 24) = 0 [pid 27434] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27434] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10) = -1 EINVAL (Invalid argument) [pid 27434] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27420] <... futex resumed>) = 0 [pid 27420] exit_group(0 [pid 27425] <... futex resumed>) = ? [pid 27420] <... exit_group resumed>) = ? [pid 27425] +++ exited with 0 +++ [pid 27428] <... futex resumed>) = 0 [pid 27434] <... futex resumed>) = ? [pid 27428] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27430] <... set_robust_list resumed>) = 0 [pid 27428] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27430] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27428] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27431] set_robust_list(0x555555eba6a0, 24 [pid 27430] <... prctl resumed>) = 0 [pid 27428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27430] setpgid(0, 0 [pid 27431] <... set_robust_list resumed>) = 0 [pid 27430] <... setpgid resumed>) = 0 [pid 27428] <... mmap resumed>) = 0x7f02635ac000 [pid 27428] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27428] <... mprotect resumed>) = 0 [pid 27431] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27428] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27431] <... prctl resumed>) = 0 [pid 27428] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27431] setpgid(0, 0 [pid 27428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27431] <... setpgid resumed>) = 0 [pid 27431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27430] <... openat resumed>) = 3 [pid 27432] set_robust_list(0x7f02635ab9a0, 24 [pid 27430] write(3, "1000", 4 [pid 27428] <... clone3 resumed> => {parent_tid=[27435]}, 88) = 27435 [pid 27431] <... openat resumed>) = 3 [pid 27430] <... write resumed>) = 4 [pid 27428] rt_sigprocmask(SIG_SETMASK, [], [pid 27431] write(3, "1000", 4 [pid 27430] close(3 [pid 27428] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 27433 attached [pid 27434] +++ exited with 0 +++ [pid 27431] <... write resumed>) = 4 [pid 27430] <... close resumed>) = 0 [pid 27428] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27420] +++ exited with 0 +++ [pid 27432] <... set_robust_list resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27420, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 27435 attached [pid 27435] set_robust_list(0x7f02635cc9a0, 24) = 0 [pid 27435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27435] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW) = 3 [pid 27428] <... futex resumed>) = 0 [pid 27431] close(3 [pid 27430] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27428] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... restart_syscall resumed>) = 0 [pid 27431] <... close resumed>) = 0 [pid 27430] <... futex resumed>) = 0 [pid 27430] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27431] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27435] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27433] set_robust_list(0x555555eba6a0, 24 [pid 27432] rt_sigprocmask(SIG_SETMASK, [], [pid 27431] <... futex resumed>) = 0 [pid 27430] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 27436 attached [pid 27430] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27431] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27436 [pid 27432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27431] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27436] set_robust_list(0x555555eba6a0, 24 [pid 27432] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27431] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27436] <... set_robust_list resumed>) = 0 [pid 27432] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27430] <... mmap resumed>) = 0x7f02635ac000 [pid 27436] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27432] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27430] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27436] <... prctl resumed>) = 0 [pid 27435] <... futex resumed>) = 1 [pid 27433] <... set_robust_list resumed>) = 0 [pid 27432] <... futex resumed>) = 1 [pid 27431] <... mmap resumed>) = 0x7f02635ac000 [pid 27430] <... mprotect resumed>) = 0 [pid 27428] <... futex resumed>) = 0 [pid 27423] <... futex resumed>) = 0 [pid 27436] setpgid(0, 0 [pid 27435] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27433] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27432] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27431] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27430] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27428] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27423] exit_group(0 [pid 27436] <... setpgid resumed>) = 0 [pid 27435] <... write resumed>) = 9 [pid 27433] <... prctl resumed>) = 0 [pid 27431] <... mprotect resumed>) = 0 [pid 27430] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27428] <... futex resumed>) = 0 [pid 27426] <... futex resumed>) = ? [pid 27432] <... futex resumed>) = ? [pid 27423] <... exit_group resumed>) = ? [pid 27436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27435] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27433] setpgid(0, 0 [pid 27431] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27430] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27428] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27426] +++ exited with 0 +++ [pid 27436] <... openat resumed>) = 3 [pid 27435] <... futex resumed>) = 0 [pid 27433] <... setpgid resumed>) = 0 [pid 27431] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27436] write(3, "1000", 4 [pid 27435] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27432] +++ exited with 0 +++ [pid 27431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27430] <... clone3 resumed> => {parent_tid=[27437]}, 88) = 27437 [pid 27428] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27423] +++ exited with 0 +++ [pid 27436] <... write resumed>) = 4 [pid 27435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27433] <... openat resumed>) = 3 [pid 27430] rt_sigprocmask(SIG_SETMASK, [], [pid 27428] <... futex resumed>) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27423, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 27438 attached [pid 27436] close(3 [pid 27435] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27433] write(3, "1000", 4 [pid 27428] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 27436] <... close resumed>) = 0 [pid 27435] <... write resumed>) = 10 [pid 27433] <... write resumed>) = 4 [pid 27428] <... futex resumed>) = 0 [pid 294] <... restart_syscall resumed>) = 0 [pid 27436] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27435] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27433] close(3 [pid 27428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27436] <... futex resumed>) = 0 [pid 27435] <... futex resumed>) = 0 [pid 27433] <... close resumed>) = 0 [pid 27431] <... clone3 resumed> => {parent_tid=[27438]}, 88) = 27438 [pid 27430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27428] <... mmap resumed>) = 0x7f026358b000 ./strace-static-x86_64: Process 27437 attached [pid 27438] set_robust_list(0x7f02635cc9a0, 24 [pid 27436] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27435] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27433] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27428] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27438] <... set_robust_list resumed>) = 0 [pid 27437] set_robust_list(0x7f02635cc9a0, 24 [pid 27436] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27433] <... futex resumed>) = 0 [pid 27431] rt_sigprocmask(SIG_SETMASK, [], [pid 27430] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27428] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 27439 attached [pid 27438] rt_sigprocmask(SIG_SETMASK, [], [pid 27437] <... set_robust_list resumed>) = 0 [pid 27436] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27433] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27430] <... futex resumed>) = 0 [pid 27428] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27439] set_robust_list(0x555555eba6a0, 24 [pid 27436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27433] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27431] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27430] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27428] <... rt_sigprocmask resumed>[], 8) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27439 [pid 27439] <... set_robust_list resumed>) = 0 [pid 27436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27433] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27431] <... futex resumed>) = 0 [pid 27428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27439] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27436] <... mmap resumed>) = 0x7f02635ac000 [pid 27433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27431] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27439] <... prctl resumed>) = 0 [pid 27436] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27428] <... clone3 resumed> => {parent_tid=[27440]}, 88) = 27440 [pid 27439] setpgid(0, 0 [pid 27436] <... mprotect resumed>) = 0 [pid 27433] <... mmap resumed>) = 0x7f02635ac000 [pid 27428] rt_sigprocmask(SIG_SETMASK, [], [pid 27439] <... setpgid resumed>) = 0 [pid 27436] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27433] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27436] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27433] <... mprotect resumed>) = 0 [pid 27428] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27439] <... openat resumed>) = 3 [pid 27438] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27436] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27433] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27428] <... futex resumed>) = 0 [pid 27439] write(3, "1000", 4 [pid 27438] <... openat resumed>) = 3 [pid 27433] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27428] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27439] <... write resumed>) = 4 [pid 27436] <... clone3 resumed> => {parent_tid=[27441]}, 88) = 27441 [pid 27433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0}./strace-static-x86_64: Process 27442 attached ./strace-static-x86_64: Process 27441 attached ./strace-static-x86_64: Process 27440 attached [pid 27439] close(3 [pid 27438] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27437] rt_sigprocmask(SIG_SETMASK, [], [pid 27436] rt_sigprocmask(SIG_SETMASK, [], [pid 27439] <... close resumed>) = 0 [pid 27436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27433] <... clone3 resumed> => {parent_tid=[27442]}, 88) = 27442 [pid 27439] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27438] <... futex resumed>) = 1 [pid 27437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27436] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27433] rt_sigprocmask(SIG_SETMASK, [], [pid 27431] <... futex resumed>) = 0 [pid 27439] <... futex resumed>) = 0 [pid 27436] <... futex resumed>) = 0 [pid 27433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27439] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27436] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27433] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27439] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27433] <... futex resumed>) = 0 [pid 27439] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27433] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27431] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27441] set_robust_list(0x7f02635cc9a0, 24 [pid 27439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27438] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27437] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f02635ac000 [pid 27439] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27439] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27439] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27438] <... write resumed>) = 9 [pid 27431] <... futex resumed>) = 0 [pid 27441] <... set_robust_list resumed>) = 0 [pid 27437] <... openat resumed>) = 3 [pid 27441] rt_sigprocmask(SIG_SETMASK, [], [pid 27439] <... clone3 resumed> => {parent_tid=[27443]}, 88) = 27443 [pid 27438] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27431] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27439] rt_sigprocmask(SIG_SETMASK, [], [pid 27437] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27438] <... futex resumed>) = 0 [pid 27441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27439] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27438] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27437] <... futex resumed>) = 1 [pid 27431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27430] <... futex resumed>) = 0 [pid 27441] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27439] <... futex resumed>) = 0 [pid 27437] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27431] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27430] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27441] <... openat resumed>) = 3 [pid 27439] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27438] <... futex resumed>) = 0 [pid 27437] <... write resumed>) = 9 [pid 27431] <... futex resumed>) = 1 [pid 27430] <... futex resumed>) = 0 [pid 27441] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27438] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27437] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27431] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27430] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27438] <... write resumed>) = 10 [pid 27441] <... futex resumed>) = 1 [pid 27438] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27437] <... futex resumed>) = 0 [pid 27436] <... futex resumed>) = 0 [pid 27431] <... futex resumed>) = 0 [pid 27430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27441] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27438] <... futex resumed>) = 0 [pid 27437] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27436] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27430] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27438] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27436] <... futex resumed>) = 0 [pid 27441] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27437] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27436] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27431] <... mmap resumed>) = 0x7f026358b000 [pid 27430] <... futex resumed>) = 0 [pid 27441] <... write resumed>) = 9 [pid 27440] set_robust_list(0x7f02635ab9a0, 24 [pid 27437] <... write resumed>) = 10 [pid 27431] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27430] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27441] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27440] <... set_robust_list resumed>) = 0 [pid 27437] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27431] <... mprotect resumed>) = 0 [pid 27441] <... futex resumed>) = 1 [pid 27440] rt_sigprocmask(SIG_SETMASK, [], [pid 27436] <... futex resumed>) = 0 [pid 27430] <... futex resumed>) = 0 [pid 27441] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27437] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27436] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27431] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27440] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27436] <... futex resumed>) = 0 [pid 27431] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27441] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27440] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27436] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27430] <... mmap resumed>) = 0x7f026358b000 [pid 27441] <... write resumed>) = 10 [pid 27436] <... futex resumed>) = 0 [pid 27436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f026358b000 [pid 27430] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27441] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27440] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27436] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27431] <... clone3 resumed> => {parent_tid=[27444]}, 88) = 27444 [pid 27441] <... futex resumed>) = 0 [pid 27440] <... futex resumed>) = 1 [pid 27436] <... mprotect resumed>) = 0 [pid 27430] <... mprotect resumed>) = 0 [pid 27431] rt_sigprocmask(SIG_SETMASK, [], [pid 27428] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27443 attached [pid 27441] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27440] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27436] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27430] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27428] exit_group(0 [pid 27443] set_robust_list(0x7f02635cc9a0, 24 [pid 27440] <... futex resumed>) = ? [pid 27436] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27442] set_robust_list(0x7f02635cc9a0, 24 [pid 27435] <... futex resumed>) = ? [pid 27431] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27430] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27428] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 27444 attached [pid 27443] <... set_robust_list resumed>) = 0 [pid 27442] <... set_robust_list resumed>) = 0 [pid 27440] +++ exited with 0 +++ [pid 27436] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27435] +++ exited with 0 +++ [pid 27431] <... futex resumed>) = 0 [pid 27430] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0}./strace-static-x86_64: Process 27446 attached [pid 27444] set_robust_list(0x7f02635ab9a0, 24 [pid 27443] rt_sigprocmask(SIG_SETMASK, [], [pid 27442] rt_sigprocmask(SIG_SETMASK, [], [pid 27431] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27428] +++ exited with 0 +++ ./strace-static-x86_64: Process 27445 attached [pid 27444] <... set_robust_list resumed>) = 0 [pid 27443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27436] <... clone3 resumed> => {parent_tid=[27445]}, 88) = 27445 [pid 27430] <... clone3 resumed> => {parent_tid=[27446]}, 88) = 27446 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27428, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 27446] set_robust_list(0x7f02635ab9a0, 24 [pid 27444] rt_sigprocmask(SIG_SETMASK, [], [pid 27443] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27442] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27436] rt_sigprocmask(SIG_SETMASK, [], [pid 27430] rt_sigprocmask(SIG_SETMASK, [], [pid 27446] <... set_robust_list resumed>) = 0 [pid 27445] set_robust_list(0x7f02635ab9a0, 24 [pid 27444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27443] <... openat resumed>) = 3 [pid 27442] <... openat resumed>) = 3 [pid 27436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27444] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27442] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27430] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27446] rt_sigprocmask(SIG_SETMASK, [], [pid 27445] <... set_robust_list resumed>) = 0 [pid 27444] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27443] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27442] <... futex resumed>) = 1 [pid 27436] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27433] <... futex resumed>) = 0 [pid 27430] <... futex resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27445] rt_sigprocmask(SIG_SETMASK, [], [pid 27444] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27443] <... futex resumed>) = 1 [pid 27442] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27439] <... futex resumed>) = 0 [pid 27436] <... futex resumed>) = 0 [pid 27433] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27430] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27447 attached [pid 27446] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27444] <... futex resumed>) = 1 [pid 27443] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27439] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27436] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27433] <... futex resumed>) = 0 [pid 27431] <... futex resumed>) = 0 [pid 27447] set_robust_list(0x555555eba6a0, 24 [pid 27446] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27445] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27444] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27442] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27439] <... futex resumed>) = 0 [pid 27433] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27431] exit_group(0 [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27447 [pid 27447] <... set_robust_list resumed>) = 0 [pid 27446] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27445] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27444] <... futex resumed>) = ? [pid 27443] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27442] <... write resumed>) = 9 [pid 27439] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27438] <... futex resumed>) = ? [pid 27431] <... exit_group resumed>) = ? [pid 27447] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27446] <... futex resumed>) = 1 [pid 27445] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27444] +++ exited with 0 +++ [pid 27443] <... write resumed>) = 9 [pid 27442] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27438] +++ exited with 0 +++ [pid 27430] <... futex resumed>) = 0 [pid 27446] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27445] <... futex resumed>) = 1 [pid 27443] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27436] <... futex resumed>) = 0 [pid 27431] +++ exited with 0 +++ [pid 27430] exit_group(0 [pid 27447] <... prctl resumed>) = 0 [pid 27446] <... futex resumed>) = ? [pid 27445] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27443] <... futex resumed>) = 1 [pid 27442] <... futex resumed>) = 1 [pid 27439] <... futex resumed>) = 0 [pid 27437] <... futex resumed>) = ? [pid 27436] exit_group(0 [pid 27433] <... futex resumed>) = 0 [pid 27430] <... exit_group resumed>) = ? [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27431, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27447] setpgid(0, 0 [pid 27446] +++ exited with 0 +++ [pid 27443] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27442] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27441] <... futex resumed>) = ? [pid 27439] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27437] +++ exited with 0 +++ [pid 27436] <... exit_group resumed>) = ? [pid 27433] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27447] <... setpgid resumed>) = 0 [pid 27442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27441] +++ exited with 0 +++ [pid 27433] <... futex resumed>) = 0 [pid 27447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27442] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27439] <... futex resumed>) = 0 [pid 27433] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27430] +++ exited with 0 +++ [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27447] <... openat resumed>) = 3 [pid 27445] <... futex resumed>) = ? [pid 27443] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27442] <... write resumed>) = 10 [pid 27439] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27433] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27448 attached [pid 27447] write(3, "1000", 4 [pid 27443] <... write resumed>) = 10 [pid 27442] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27439] <... futex resumed>) = 0 [pid 27433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27430, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27448] set_robust_list(0x555555eba6a0, 24 [pid 27447] <... write resumed>) = 4 [pid 27443] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27442] <... futex resumed>) = 0 [pid 27439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27433] <... mmap resumed>) = 0x7f026358b000 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27448 [pid 27448] <... set_robust_list resumed>) = 0 [pid 27447] close(3 [pid 27445] +++ exited with 0 +++ [pid 27443] <... futex resumed>) = 0 [pid 27442] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27439] <... mmap resumed>) = 0x7f026358b000 [pid 27436] +++ exited with 0 +++ [pid 27433] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 296] <... restart_syscall resumed>) = 0 [pid 27448] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27447] <... close resumed>) = 0 [pid 27443] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27439] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27433] <... mprotect resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27436, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27448] <... prctl resumed>) = 0 [pid 27447] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27439] <... mprotect resumed>) = 0 [pid 27433] rt_sigprocmask(SIG_BLOCK, ~[], [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 27448] setpgid(0, 0 [pid 27447] <... futex resumed>) = 0 [pid 27439] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27433] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 27448] <... setpgid resumed>) = 0 [pid 27447] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27439] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27447] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27439] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27448] <... openat resumed>) = 3 [pid 27447] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27433] <... clone3 resumed> => {parent_tid=[27449]}, 88) = 27449 [pid 27448] write(3, "1000", 4 [pid 27447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27433] rt_sigprocmask(SIG_SETMASK, [], [pid 27448] <... write resumed>) = 4 [pid 27447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27450 [pid 27448] close(3 [pid 27447] <... mmap resumed>) = 0x7f02635ac000 [pid 27439] <... clone3 resumed> => {parent_tid=[27451]}, 88) = 27451 [pid 27433] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27448] <... close resumed>) = 0 [pid 27447] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27433] <... futex resumed>) = 0 [pid 27448] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27447] <... mprotect resumed>) = 0 [pid 27439] rt_sigprocmask(SIG_SETMASK, [], [pid 27433] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27452 attached ./strace-static-x86_64: Process 27451 attached ./strace-static-x86_64: Process 27449 attached [pid 27448] <... futex resumed>) = 0 [pid 27447] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27452 [pid 27452] set_robust_list(0x555555eba6a0, 24 [pid 27448] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27447] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27439] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27448] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27447] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27439] <... futex resumed>) = 0 [pid 27448] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27439] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27453 attached ./strace-static-x86_64: Process 27450 attached [pid 27452] <... set_robust_list resumed>) = 0 [pid 27451] set_robust_list(0x7f02635ab9a0, 24 [pid 27449] set_robust_list(0x7f02635ab9a0, 24 [pid 27448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27447] <... clone3 resumed> => {parent_tid=[27453]}, 88) = 27453 [pid 27453] set_robust_list(0x7f02635cc9a0, 24 [pid 27452] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27451] <... set_robust_list resumed>) = 0 [pid 27450] set_robust_list(0x555555eba6a0, 24 [pid 27449] <... set_robust_list resumed>) = 0 [pid 27448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27447] rt_sigprocmask(SIG_SETMASK, [], [pid 27452] <... prctl resumed>) = 0 [pid 27451] rt_sigprocmask(SIG_SETMASK, [], [pid 27448] <... mmap resumed>) = 0x7f02635ac000 [pid 27447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27448] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27447] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27452] setpgid(0, 0 [pid 27451] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27449] rt_sigprocmask(SIG_SETMASK, [], [pid 27448] <... mprotect resumed>) = 0 [pid 27447] <... futex resumed>) = 0 [pid 27452] <... setpgid resumed>) = 0 [pid 27453] <... set_robust_list resumed>) = 0 [pid 27452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27451] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27450] <... set_robust_list resumed>) = 0 [pid 27449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27448] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27447] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27453] rt_sigprocmask(SIG_SETMASK, [], [pid 27452] <... openat resumed>) = 3 [pid 27451] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27449] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27448] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27452] write(3, "1000", 4 [pid 27451] <... futex resumed>) = 1 [pid 27449] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27439] <... futex resumed>) = 0 [pid 27453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27452] <... write resumed>) = 4 [pid 27451] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27449] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27439] exit_group(0 [pid 27452] close(3 [pid 27451] <... futex resumed>) = ? [pid 27449] <... futex resumed>) = 1 [pid 27448] <... clone3 resumed> => {parent_tid=[27454]}, 88) = 27454 [pid 27443] <... futex resumed>) = ? [pid 27439] <... exit_group resumed>) = ? [pid 27433] <... futex resumed>) = 0 [pid 27452] <... close resumed>) = 0 [pid 27451] +++ exited with 0 +++ [pid 27448] rt_sigprocmask(SIG_SETMASK, [], [pid 27443] +++ exited with 0 +++ [pid 27433] exit_group(0 [pid 27448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27442] <... futex resumed>) = ? [pid 27433] <... exit_group resumed>) = ? [pid 27448] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27442] +++ exited with 0 +++ [pid 27448] <... futex resumed>) = 0 [pid 27448] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27439] +++ exited with 0 +++ ./strace-static-x86_64: Process 27454 attached [pid 27454] set_robust_list(0x7f02635cc9a0, 24 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27439, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27452] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 27452] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 294] <... restart_syscall resumed>) = 0 [pid 27452] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27452] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27454] <... set_robust_list resumed>) = 0 [pid 27454] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27454] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW) = 3 [pid 27454] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27448] <... futex resumed>) = 0 [pid 27448] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27448] <... futex resumed>) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27455 [pid 27448] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27452] <... mmap resumed>) = 0x7f02635ac000 [pid 27452] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27449] +++ exited with 0 +++ [pid 27433] +++ exited with 0 +++ [pid 27454] <... futex resumed>) = 1 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27433, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27452] rt_sigprocmask(SIG_BLOCK, ~[], [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 27452] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27454] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27454] <... write resumed>) = 9 [pid 27454] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27452] <... clone3 resumed> => {parent_tid=[27456]}, 88) = 27456 [pid 27448] <... futex resumed>) = 0 [pid 27452] rt_sigprocmask(SIG_SETMASK, [], [pid 27448] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 27453] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27448] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27452] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27448] <... futex resumed>) = 0 [pid 27453] <... openat resumed>) = 3 [pid 27452] <... futex resumed>) = 0 [pid 27450] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27456 attached ./strace-static-x86_64: Process 27455 attached [pid 27454] <... futex resumed>) = 1 [pid 27453] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27452] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27450] <... prctl resumed>) = 0 [pid 27448] <... mmap resumed>) = 0x7f026358b000 [pid 27448] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27448] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} => {parent_tid=[27458]}, 88) = 27458 [pid 27448] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27448] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27457 attached [pid 27456] set_robust_list(0x7f02635cc9a0, 24 [pid 27455] set_robust_list(0x555555eba6a0, 24 [pid 27454] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27453] <... futex resumed>) = 1 [pid 27450] setpgid(0, 0 [pid 27448] <... futex resumed>) = 0 [pid 27447] <... futex resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27457 ./strace-static-x86_64: Process 27458 attached [pid 27457] set_robust_list(0x555555eba6a0, 24 [pid 27456] <... set_robust_list resumed>) = 0 [pid 27455] <... set_robust_list resumed>) = 0 [pid 27454] <... write resumed>) = 10 [pid 27448] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27453] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27450] <... setpgid resumed>) = 0 [pid 27447] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27456] rt_sigprocmask(SIG_SETMASK, [], [pid 27453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27456] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27447] <... futex resumed>) = 0 [pid 27456] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27453] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27447] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27456] <... openat resumed>) = 3 [pid 27453] <... write resumed>) = 9 [pid 27450] <... openat resumed>) = 3 [pid 27458] set_robust_list(0x7f02635ab9a0, 24) = 0 [pid 27458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27458] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10) = -1 EINVAL (Invalid argument) [pid 27458] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 27448] <... futex resumed>) = 0 [pid 27458] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27456] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27453] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27450] write(3, "1000", 4 [pid 27453] <... futex resumed>) = 1 [pid 27447] <... futex resumed>) = 0 [pid 27456] <... futex resumed>) = 1 [pid 27452] <... futex resumed>) = 0 [pid 27450] <... write resumed>) = 4 [pid 27455] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27454] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27453] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27447] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27457] <... set_robust_list resumed>) = 0 [pid 27452] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27447] <... futex resumed>) = 0 [pid 27457] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27453] <... write resumed>) = 10 [pid 27452] <... futex resumed>) = 0 [pid 27447] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27450] close(3 [pid 27457] <... prctl resumed>) = 0 [pid 27456] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27455] <... prctl resumed>) = 0 [pid 27454] <... futex resumed>) = 0 [pid 27453] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27452] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27447] <... futex resumed>) = 0 [pid 27450] <... close resumed>) = 0 [pid 27457] setpgid(0, 0 [pid 27456] <... write resumed>) = 9 [pid 27455] setpgid(0, 0 [pid 27454] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27453] <... futex resumed>) = 0 [pid 27450] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27448] exit_group(0 [pid 27447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27458] <... futex resumed>) = ? [pid 27457] <... setpgid resumed>) = 0 [pid 27456] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27455] <... setpgid resumed>) = 0 [pid 27454] <... futex resumed>) = ? [pid 27453] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27450] <... futex resumed>) = 0 [pid 27448] <... exit_group resumed>) = ? [pid 27447] <... mmap resumed>) = 0x7f026358b000 [pid 27458] +++ exited with 0 +++ [pid 27457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27456] <... futex resumed>) = 1 [pid 27455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27454] +++ exited with 0 +++ [pid 27452] <... futex resumed>) = 0 [pid 27450] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27447] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27457] <... openat resumed>) = 3 [pid 27456] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27455] <... openat resumed>) = 3 [pid 27452] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27450] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27448] +++ exited with 0 +++ [pid 27447] <... mprotect resumed>) = 0 [pid 27457] write(3, "1000", 4 [pid 27456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27455] write(3, "1000", 4 [pid 27452] <... futex resumed>) = 0 [pid 27450] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27447] rt_sigprocmask(SIG_BLOCK, ~[], [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27448, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27457] <... write resumed>) = 4 [pid 27456] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27455] <... write resumed>) = 4 [pid 27452] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27447] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27457] close(3 [pid 27456] <... write resumed>) = 10 [pid 27455] close(3 [pid 27452] <... futex resumed>) = 0 [pid 27450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27447] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27457] <... close resumed>) = 0 [pid 27456] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27455] <... close resumed>) = 0 [pid 27452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27450] <... mmap resumed>) = 0x7f02635ac000 [pid 27457] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27456] <... futex resumed>) = 0 [pid 27455] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27452] <... mmap resumed>) = 0x7f026358b000 [pid 27457] <... futex resumed>) = 0 [pid 27456] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27455] <... futex resumed>) = 0 [pid 27452] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27450] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27447] <... clone3 resumed> => {parent_tid=[27459]}, 88) = 27459 [pid 27457] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27455] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27452] <... mprotect resumed>) = 0 [pid 27450] <... mprotect resumed>) = 0 [pid 27447] rt_sigprocmask(SIG_SETMASK, [], [pid 27457] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27455] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27452] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27457] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27455] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27452] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27450] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27447] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 27459 attached [pid 27457] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27450] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27447] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27459] set_robust_list(0x7f02635ab9a0, 24 [pid 27457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27459] <... set_robust_list resumed>) = 0 [pid 27457] <... mmap resumed>) = 0x7f02635ac000 [pid 27455] <... mmap resumed>) = 0x7f02635ac000 [pid 27450] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27447] <... futex resumed>) = 0 [pid 27457] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27461 [pid 27447] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27457] <... mprotect resumed>) = 0 [pid 27455] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27452] <... clone3 resumed> => {parent_tid=[27460]}, 88) = 27460 ./strace-static-x86_64: Process 27462 attached ./strace-static-x86_64: Process 27461 attached ./strace-static-x86_64: Process 27460 attached [pid 27459] rt_sigprocmask(SIG_SETMASK, [], [pid 27457] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27457] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0}./strace-static-x86_64: Process 27463 attached [pid 27462] set_robust_list(0x7f02635cc9a0, 24 [pid 27461] set_robust_list(0x555555eba6a0, 24 [pid 27460] set_robust_list(0x7f02635ab9a0, 24 [pid 27459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27455] <... mprotect resumed>) = 0 [pid 27452] rt_sigprocmask(SIG_SETMASK, [], [pid 27450] <... clone3 resumed> => {parent_tid=[27462]}, 88) = 27462 [pid 27463] set_robust_list(0x7f02635cc9a0, 24 [pid 27462] <... set_robust_list resumed>) = 0 [pid 27461] <... set_robust_list resumed>) = 0 [pid 27460] <... set_robust_list resumed>) = 0 [pid 27459] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27457] <... clone3 resumed> => {parent_tid=[27463]}, 88) = 27463 [pid 27455] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27450] rt_sigprocmask(SIG_SETMASK, [], [pid 27463] <... set_robust_list resumed>) = 0 [pid 27462] rt_sigprocmask(SIG_SETMASK, [], [pid 27461] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27460] rt_sigprocmask(SIG_SETMASK, [], [pid 27459] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27457] rt_sigprocmask(SIG_SETMASK, [], [pid 27455] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27452] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27457] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27457] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27457] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27463] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27463] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27462] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27461] <... prctl resumed>) = 0 [pid 27460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27459] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27452] <... futex resumed>) = 0 [pid 27450] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27463] <... openat resumed>) = 3 [pid 27462] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27461] setpgid(0, 0 [pid 27460] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27459] <... futex resumed>) = 1 [pid 27452] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27450] <... futex resumed>) = 0 [pid 27447] <... futex resumed>) = 0 [pid 27463] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27462] <... openat resumed>) = 3 [pid 27461] <... setpgid resumed>) = 0 [pid 27460] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27459] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27455] <... clone3 resumed> => {parent_tid=[27464]}, 88) = 27464 [pid 27450] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27447] exit_group(0 [pid 27463] <... futex resumed>) = 1 [pid 27462] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27460] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27459] <... futex resumed>) = ? [pid 27457] <... futex resumed>) = 0 [pid 27455] rt_sigprocmask(SIG_SETMASK, [], [pid 27453] <... futex resumed>) = ? [pid 27450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27447] <... exit_group resumed>) = ? [pid 27463] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27461] <... openat resumed>) = 3 [pid 27460] <... futex resumed>) = 1 [pid 27459] +++ exited with 0 +++ [pid 27457] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27453] +++ exited with 0 +++ [pid 27452] <... futex resumed>) = 0 [pid 27450] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27463] <... write resumed>) = 9 [pid 27457] <... futex resumed>) = 0 [pid 27463] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27457] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27463] <... futex resumed>) = 0 [pid 27457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27463] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27457] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27464 attached [pid 27463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27457] <... futex resumed>) = 0 [pid 27447] +++ exited with 0 +++ [pid 27452] exit_group(0 [pid 27464] set_robust_list(0x7f02635cc9a0, 24 [pid 27463] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27462] <... futex resumed>) = 0 [pid 27461] write(3, "1000", 4 [pid 27460] write(3, "1000", 4 [pid 27457] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27452] <... exit_group resumed>) = ? [pid 27450] <... futex resumed>) = 0 [pid 27456] <... futex resumed>) = ? [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27447, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27460] <... write resumed>) = ? [pid 27464] <... set_robust_list resumed>) = 0 [pid 27463] <... write resumed>) = 10 [pid 27462] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27461] <... write resumed>) = 4 [pid 27460] +++ exited with 0 +++ [pid 27457] <... futex resumed>) = 0 [pid 27455] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 27464] rt_sigprocmask(SIG_SETMASK, [], [pid 27463] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 299] <... restart_syscall resumed>) = 0 [pid 27464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27463] <... futex resumed>) = 0 [pid 27457] <... mmap resumed>) = 0x7f026358b000 [pid 27464] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27463] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27462] <... write resumed>) = 9 [pid 27461] close(3 [pid 27457] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27456] +++ exited with 0 +++ [pid 27455] <... futex resumed>) = 0 [pid 27452] +++ exited with 0 +++ [pid 27450] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27464] <... openat resumed>) = 3 [pid 27462] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27461] <... close resumed>) = 0 [pid 27457] <... mprotect resumed>) = 0 [pid 27455] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27464] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27462] <... futex resumed>) = 0 [pid 27461] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27457] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27450] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27452, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 27465 attached [pid 27464] <... futex resumed>) = 0 [pid 27462] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27461] <... futex resumed>) = 0 [pid 27457] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27455] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27450] <... futex resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27465] set_robust_list(0x555555eba6a0, 24 [pid 27464] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27462] <... write resumed>) = 10 [pid 27461] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27457] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27455] <... futex resumed>) = 0 [pid 27450] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27465 ./strace-static-x86_64: Process 27466 attached [pid 27465] <... set_robust_list resumed>) = 0 [pid 27464] <... write resumed>) = 9 [pid 27462] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27461] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27455] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27450] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27467 attached [pid 27465] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27464] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27457] <... clone3 resumed> => {parent_tid=[27467]}, 88) = 27467 [pid 27465] <... prctl resumed>) = 0 [pid 27464] <... futex resumed>) = 0 [pid 27457] rt_sigprocmask(SIG_SETMASK, [], [pid 27465] setpgid(0, 0 [pid 27464] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27462] <... futex resumed>) = 0 [pid 27461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27457] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27466 [pid 27466] set_robust_list(0x555555eba6a0, 24 [pid 27465] <... setpgid resumed>) = 0 [pid 27457] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27466] <... set_robust_list resumed>) = 0 [pid 27467] set_robust_list(0x7f02635ab9a0, 24 [pid 27465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27462] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27457] <... futex resumed>) = 0 [pid 27455] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27450] <... mmap resumed>) = 0x7f026358b000 [pid 27467] <... set_robust_list resumed>) = 0 [pid 27466] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27465] <... openat resumed>) = 3 [pid 27457] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27465] write(3, "1000", 4 [pid 27467] rt_sigprocmask(SIG_SETMASK, [], [pid 27466] <... prctl resumed>) = 0 [pid 27465] <... write resumed>) = 4 [pid 27464] <... futex resumed>) = 0 [pid 27461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27455] <... futex resumed>) = 1 [pid 27450] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27465] close(3 [pid 27464] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27461] <... mmap resumed>) = 0x7f02635ac000 [pid 27466] setpgid(0, 0 [pid 27465] <... close resumed>) = 0 [pid 27464] <... write resumed>) = 10 [pid 27461] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27455] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27450] <... mprotect resumed>) = 0 [pid 27466] <... setpgid resumed>) = 0 [pid 27465] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27464] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27461] <... mprotect resumed>) = 0 [pid 27455] <... futex resumed>) = 0 [pid 27450] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27465] <... futex resumed>) = 0 [pid 27464] <... futex resumed>) = 0 [pid 27455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27465] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27461] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27465] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27464] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27455] <... mmap resumed>) = 0x7f026358b000 [pid 27450] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27465] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27461] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27455] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27450] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27455] <... mprotect resumed>) = 0 [pid 27465] <... mmap resumed>) = 0x7f02635ac000 [pid 27465] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27455] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27450] <... clone3 resumed> => {parent_tid=[27468]}, 88) = 27468 [pid 27466] <... openat resumed>) = 3 [pid 27465] <... mprotect resumed>) = 0 [pid 27461] <... clone3 resumed> => {parent_tid=[27469]}, 88) = 27469 [pid 27455] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27450] rt_sigprocmask(SIG_SETMASK, [], [pid 27467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27466] write(3, "1000", 4 [pid 27465] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27461] rt_sigprocmask(SIG_SETMASK, [], [pid 27455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27466] <... write resumed>) = 4 [pid 27465] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27450] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27466] close(3 [pid 27465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27461] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27455] <... clone3 resumed> => {parent_tid=[27470]}, 88) = 27470 [pid 27450] <... futex resumed>) = 0 [pid 27466] <... close resumed>) = 0 [pid 27461] <... futex resumed>) = 0 [pid 27455] rt_sigprocmask(SIG_SETMASK, [], [pid 27450] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27466] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27465] <... clone3 resumed> => {parent_tid=[27471]}, 88) = 27471 [pid 27461] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27466] <... futex resumed>) = 0 [pid 27465] rt_sigprocmask(SIG_SETMASK, [], [pid 27455] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27469 attached [pid 27467] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27466] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27455] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27470 attached ./strace-static-x86_64: Process 27468 attached [pid 27469] set_robust_list(0x7f02635cc9a0, 24 [pid 27467] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27466] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27465] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27455] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27469] <... set_robust_list resumed>) = 0 [pid 27468] set_robust_list(0x7f02635ab9a0, 24 [pid 27466] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27465] <... futex resumed>) = 0 [pid 27469] rt_sigprocmask(SIG_SETMASK, [], [pid 27468] <... set_robust_list resumed>) = 0 [pid 27466] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27465] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27467] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27471 attached [pid 27470] set_robust_list(0x7f02635ab9a0, 24 [pid 27469] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27468] rt_sigprocmask(SIG_SETMASK, [], [pid 27466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27469] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27466] <... mmap resumed>) = 0x7f02635ac000 [pid 27469] <... openat resumed>) = 3 [pid 27468] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27466] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27469] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27468] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27467] <... futex resumed>) = 1 [pid 27466] <... mprotect resumed>) = 0 [pid 27457] <... futex resumed>) = 0 [pid 27469] <... futex resumed>) = 1 [pid 27468] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27467] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27466] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27461] <... futex resumed>) = 0 [pid 27457] exit_group(0 [pid 27469] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27468] <... futex resumed>) = 1 [pid 27467] <... futex resumed>) = ? [pid 27466] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27463] <... futex resumed>) = ? [pid 27461] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27457] <... exit_group resumed>) = ? [pid 27450] <... futex resumed>) = 0 [pid 27471] set_robust_list(0x7f02635cc9a0, 24 [pid 27470] <... set_robust_list resumed>) = 0 [pid 27469] <... write resumed>) = 9 [pid 27468] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27467] +++ exited with 0 +++ [pid 27466] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27463] +++ exited with 0 +++ [pid 27461] <... futex resumed>) = 0 [pid 27450] exit_group(0 [pid 27471] <... set_robust_list resumed>) = 0 [pid 27470] rt_sigprocmask(SIG_SETMASK, [], [pid 27469] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27462] <... futex resumed>) = ? [pid 27461] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27457] +++ exited with 0 +++ [pid 27450] <... exit_group resumed>) = ? [pid 27469] <... futex resumed>) = 0 [pid 27468] <... futex resumed>) = ? [pid 27466] <... clone3 resumed> => {parent_tid=[27472]}, 88) = 27472 [pid 27462] +++ exited with 0 +++ [pid 27461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 27472 attached [pid 27471] rt_sigprocmask(SIG_SETMASK, [], [pid 27470] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27469] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27466] rt_sigprocmask(SIG_SETMASK, [], [pid 27461] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27457, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27472] set_robust_list(0x7f02635cc9a0, 24 [pid 27471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27470] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27468] +++ exited with 0 +++ [pid 27461] <... futex resumed>) = 0 [pid 27450] +++ exited with 0 +++ [pid 27469] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27466] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27461] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 27469] <... write resumed>) = 10 [pid 27461] <... futex resumed>) = 0 [pid 27469] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27470] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27466] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27450, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27471] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27472] <... set_robust_list resumed>) = 0 [pid 27471] <... openat resumed>) = 3 [pid 27470] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27469] <... futex resumed>) = 0 [pid 27466] <... futex resumed>) = 0 [pid 27461] <... mmap resumed>) = 0x7f026358b000 [pid 27471] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27470] <... futex resumed>) = 1 [pid 27469] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27466] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27461] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27455] <... futex resumed>) = 0 [pid 27472] rt_sigprocmask(SIG_SETMASK, [], [pid 27471] <... futex resumed>) = 1 [pid 27470] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27465] <... futex resumed>) = 0 [pid 27461] <... mprotect resumed>) = 0 [pid 27455] exit_group(0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27471] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27465] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27464] <... futex resumed>) = ? [pid 27461] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27455] <... exit_group resumed>) = ? [pid 27472] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27465] <... futex resumed>) = 0 [pid 27461] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27472] <... openat resumed>) = 3 [pid 27465] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27472] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27471] <... write resumed>) = 9 [pid 27470] <... futex resumed>) = ? [pid 27464] +++ exited with 0 +++ [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27472] <... futex resumed>) = 1 [pid 27466] <... futex resumed>) = 0 [pid 27461] <... clone3 resumed> => {parent_tid=[27474]}, 88) = 27474 [pid 27472] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27461] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27461] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27473 attached [pid 27470] +++ exited with 0 +++ [pid 27455] +++ exited with 0 +++ [pid 27466] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27473] set_robust_list(0x555555eba6a0, 24) = 0 [pid 27473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 27473] setpgid(0, 0) = 0 [pid 27466] <... futex resumed>) = 1 [pid 27466] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27473 [pid 27471] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27475 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27455, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 27471] <... futex resumed>) = 1 [pid 27465] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27475 attached ./strace-static-x86_64: Process 27474 attached [pid 27471] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27465] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27472] <... futex resumed>) = 0 [pid 294] <... restart_syscall resumed>) = 0 [pid 27465] <... futex resumed>) = 0 [pid 27465] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27475] set_robust_list(0x555555eba6a0, 24 [pid 27474] set_robust_list(0x7f02635ab9a0, 24 [pid 27472] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27471] <... write resumed>) = 10 [pid 27465] <... futex resumed>) = 0 [pid 27465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f026358b000 [pid 27465] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27475] <... set_robust_list resumed>) = 0 [pid 27474] <... set_robust_list resumed>) = 0 [pid 27473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27472] <... write resumed>) = 9 [pid 27471] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27465] <... mprotect resumed>) = 0 [pid 27465] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27474] rt_sigprocmask(SIG_SETMASK, [], [pid 27472] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27471] <... futex resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27465] <... clone3 resumed> => {parent_tid=[27476]}, 88) = 27476 [pid 27465] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27471] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27465] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27465] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27476 attached [pid 27476] set_robust_list(0x7f02635ab9a0, 24) = 0 [pid 27472] <... futex resumed>) = 1 [pid 27466] <... futex resumed>) = 0 [pid 27472] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27466] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27477 [pid 27476] rt_sigprocmask(SIG_SETMASK, [], [pid 27475] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27474] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27466] <... futex resumed>) = 0 [pid 27466] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27472] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27475] <... prctl resumed>) = 0 [pid 27474] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27472] <... write resumed>) = 10 [pid 27466] <... futex resumed>) = 0 [pid 27472] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27472] <... futex resumed>) = 0 [pid 27466] <... mmap resumed>) = 0x7f026358b000 [pid 27472] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27466] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27476] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27466] <... mprotect resumed>) = 0 [pid 27476] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27466] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27476] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27466] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} => {parent_tid=[27478]}, 88) = 27478 [pid 27474] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27465] <... futex resumed>) = 0 [pid 27466] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27465] exit_group(0 [pid 27471] <... futex resumed>) = ? [pid 27466] <... futex resumed>) = 0 [pid 27465] <... exit_group resumed>) = ? [pid 27471] +++ exited with 0 +++ [pid 27466] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27475] setpgid(0, 0 [pid 27474] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27475] <... setpgid resumed>) = 0 [pid 27474] <... futex resumed>) = 1 [pid 27461] <... futex resumed>) = 0 [pid 27473] <... openat resumed>) = 3 [pid 27476] <... futex resumed>) = ? [pid 27461] exit_group(0 [pid 27469] <... futex resumed>) = ? [pid 27461] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 27478 attached ./strace-static-x86_64: Process 27477 attached [pid 27475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27473] write(3, "1000", 4 [pid 27469] +++ exited with 0 +++ [pid 27477] set_robust_list(0x555555eba6a0, 24) = 0 [pid 27477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 27477] setpgid(0, 0) = 0 [pid 27477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27474] +++ exited with 0 +++ [pid 27461] +++ exited with 0 +++ [pid 27478] set_robust_list(0x7f02635ab9a0, 24 [pid 27477] <... openat resumed>) = 3 [pid 27475] <... openat resumed>) = 3 [pid 27473] <... write resumed>) = 4 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27461, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 27478] <... set_robust_list resumed>) = 0 [pid 27477] write(3, "1000", 4 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 27478] rt_sigprocmask(SIG_SETMASK, [], [pid 27477] <... write resumed>) = 4 [pid 295] <... restart_syscall resumed>) = 0 [pid 27478] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27477] close(3 [pid 27478] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27477] <... close resumed>) = 0 [pid 27475] write(3, "1000", 4 [pid 27473] close(3 [pid 27478] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27477] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27479 attached [pid 27478] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27477] <... futex resumed>) = 0 [pid 27476] +++ exited with 0 +++ [pid 27475] <... write resumed>) = 4 [pid 27473] <... close resumed>) = 0 [pid 27465] +++ exited with 0 +++ [pid 27478] <... futex resumed>) = 1 [pid 27477] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27465, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27479 [pid 27478] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27477] <... rt_sigaction resumed>NULL, 8) = 0 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 27479] set_robust_list(0x555555eba6a0, 24 [pid 27477] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27475] close(3 [pid 27473] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27466] <... futex resumed>) = 0 [pid 299] <... restart_syscall resumed>) = 0 [pid 27477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27479] <... set_robust_list resumed>) = 0 [pid 27477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27475] <... close resumed>) = 0 [pid 27473] <... futex resumed>) = 0 [pid 27466] exit_group(0 [pid 27479] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27477] <... mmap resumed>) = 0x7f02635ac000 [pid 27477] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27480 attached [pid 27479] <... prctl resumed>) = 0 [pid 27478] <... futex resumed>) = ? [pid 27477] <... mprotect resumed>) = 0 [pid 27475] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27473] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27472] <... futex resumed>) = ? [pid 27466] <... exit_group resumed>) = ? [pid 27479] setpgid(0, 0 [pid 27478] +++ exited with 0 +++ [pid 27477] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27475] <... futex resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27480 [pid 27477] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27477] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27473] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27472] +++ exited with 0 +++ [pid 27477] <... clone3 resumed> => {parent_tid=[27481]}, 88) = 27481 [pid 27477] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27477] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27477] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27481 attached [pid 27481] set_robust_list(0x7f02635cc9a0, 24) = 0 [pid 27481] rt_sigprocmask(SIG_SETMASK, [], [pid 27466] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27466, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27475] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27473] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27481] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27475] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27475] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27479] <... setpgid resumed>) = 0 [pid 27480] set_robust_list(0x555555eba6a0, 24 [pid 27475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27473] <... mmap resumed>) = 0x7f02635ac000 [pid 27475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27480] <... set_robust_list resumed>) = 0 [pid 27479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27475] <... mmap resumed>) = 0x7f02635ac000 [pid 27473] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27481] <... openat resumed>) = 3 [pid 27481] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27477] <... futex resumed>) = 0 [pid 27477] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27477] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27475] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27473] <... mprotect resumed>) = 0 [pid 27479] <... openat resumed>) = 3 [pid 27481] <... futex resumed>) = 1 [pid 27481] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9) = 9 [pid 27481] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27477] <... futex resumed>) = 0 [pid 27477] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27477] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27475] <... mprotect resumed>) = 0 [pid 27479] write(3, "1000", 4 [pid 27477] <... futex resumed>) = 0 [pid 27475] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27473] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27475] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27473] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27480] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27479] <... write resumed>) = 4 [pid 27477] <... mmap resumed>) = 0x7f026358b000 [pid 27475] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0}./strace-static-x86_64: Process 27484 attached ./strace-static-x86_64: Process 27482 attached [pid 27481] <... futex resumed>) = 1 [pid 27480] <... prctl resumed>) = 0 [pid 27479] close(3 [pid 27477] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27484] set_robust_list(0x7f02635cc9a0, 24 [pid 27482] set_robust_list(0x555555eba6a0, 24 [pid 27480] setpgid(0, 0 [pid 27479] <... close resumed>) = 0 [pid 27477] <... mprotect resumed>) = 0 [pid 27475] <... clone3 resumed> => {parent_tid=[27483]}, 88) = 27483 [pid 27473] <... clone3 resumed> => {parent_tid=[27484]}, 88) = 27484 [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27482 ./strace-static-x86_64: Process 27483 attached [pid 27484] <... set_robust_list resumed>) = 0 [pid 27482] <... set_robust_list resumed>) = 0 [pid 27481] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27480] <... setpgid resumed>) = 0 [pid 27479] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27477] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27475] rt_sigprocmask(SIG_SETMASK, [], [pid 27473] rt_sigprocmask(SIG_SETMASK, [], [pid 27484] rt_sigprocmask(SIG_SETMASK, [], [pid 27483] set_robust_list(0x7f02635cc9a0, 24 [pid 27482] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27481] <... write resumed>) = 10 [pid 27480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27479] <... futex resumed>) = 0 [pid 27477] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27484] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27482] <... prctl resumed>) = 0 [pid 27481] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27480] <... openat resumed>) = 3 [pid 27479] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27477] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27475] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27473] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27483] <... set_robust_list resumed>) = 0 [pid 27484] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27482] setpgid(0, 0 [pid 27481] <... futex resumed>) = 0 [pid 27480] write(3, "1000", 4 [pid 27479] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27475] <... futex resumed>) = 0 [pid 27473] <... futex resumed>) = 0 [pid 27484] <... openat resumed>) = 3 [pid 27482] <... setpgid resumed>) = 0 [pid 27481] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27480] <... write resumed>) = 4 [pid 27479] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27477] <... clone3 resumed> => {parent_tid=[27485]}, 88) = 27485 [pid 27475] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27473] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27484] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27483] rt_sigprocmask(SIG_SETMASK, [], [pid 27482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27480] close(3 [pid 27479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27477] rt_sigprocmask(SIG_SETMASK, [], [pid 27473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27484] <... futex resumed>) = 0 [pid 27482] <... openat resumed>) = 3 [pid 27480] <... close resumed>) = 0 [pid 27479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27473] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27484] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27482] write(3, "1000", 4 [pid 27480] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27479] <... mmap resumed>) = 0x7f02635ac000 [pid 27477] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27473] <... futex resumed>) = 0 [pid 27484] <... write resumed>) = 9 [pid 27482] <... write resumed>) = 4 [pid 27480] <... futex resumed>) = 0 [pid 27479] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27477] <... futex resumed>) = 0 [pid 27473] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27484] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27482] close(3 [pid 27480] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27479] <... mprotect resumed>) = 0 [pid 27477] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 27485 attached [pid 27484] <... futex resumed>) = 0 [pid 27483] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27482] <... close resumed>) = 0 [pid 27480] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27479] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27473] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27484] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27482] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27480] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27479] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27473] <... futex resumed>) = 0 [pid 27484] <... write resumed>) = 10 [pid 27483] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27482] <... futex resumed>) = 0 [pid 27480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27473] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27484] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27483] <... openat resumed>) = 3 [pid 27482] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27473] <... futex resumed>) = 0 [pid 27484] <... futex resumed>) = 0 [pid 27483] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27482] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27480] <... mmap resumed>) = 0x7f02635ac000 [pid 27479] <... clone3 resumed> => {parent_tid=[27486]}, 88) = 27486 [pid 27473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 27486 attached [pid 27485] set_robust_list(0x7f02635ab9a0, 24 [pid 27484] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27483] <... futex resumed>) = 1 [pid 27482] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27480] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27479] rt_sigprocmask(SIG_SETMASK, [], [pid 27475] <... futex resumed>) = 0 [pid 27473] <... mmap resumed>) = 0x7f026358b000 [pid 27486] set_robust_list(0x7f02635cc9a0, 24 [pid 27485] <... set_robust_list resumed>) = 0 [pid 27483] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27480] <... mprotect resumed>) = 0 [pid 27479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27475] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27473] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27486] <... set_robust_list resumed>) = 0 [pid 27485] rt_sigprocmask(SIG_SETMASK, [], [pid 27483] <... write resumed>) = 9 [pid 27482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27480] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27479] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27475] <... futex resumed>) = 0 [pid 27473] <... mprotect resumed>) = 0 [pid 27483] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27482] <... mmap resumed>) = 0x7f02635ac000 [pid 27480] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27479] <... futex resumed>) = 0 [pid 27486] rt_sigprocmask(SIG_SETMASK, [], [pid 27475] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27473] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27485] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27483] <... futex resumed>) = 0 [pid 27482] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27480] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27479] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27473] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27485] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27483] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27482] <... mprotect resumed>) = 0 [pid 27475] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27485] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27482] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27480] <... clone3 resumed> => {parent_tid=[27487]}, 88) = 27487 [pid 27475] <... futex resumed>) = 0 [pid 27486] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27485] <... futex resumed>) = 1 [pid 27483] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27482] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27480] rt_sigprocmask(SIG_SETMASK, [], [pid 27477] <... futex resumed>) = 0 [pid 27475] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27473] <... clone3 resumed> => {parent_tid=[27488]}, 88) = 27488 [pid 27485] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27483] <... write resumed>) = 10 [pid 27482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27477] exit_group(0 [pid 27475] <... futex resumed>) = 0 [pid 27473] rt_sigprocmask(SIG_SETMASK, [], [pid 27485] <... futex resumed>) = ? [pid 27483] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27481] <... futex resumed>) = ? [pid 27480] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27477] <... exit_group resumed>) = ? [pid 27475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27485] +++ exited with 0 +++ [pid 27483] <... futex resumed>) = 0 [pid 27482] <... clone3 resumed> => {parent_tid=[27489]}, 88) = 27489 [pid 27481] +++ exited with 0 +++ [pid 27480] <... futex resumed>) = 0 [pid 27473] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27482] rt_sigprocmask(SIG_SETMASK, [], [pid 27480] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27473] <... futex resumed>) = 0 [pid 27482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27473] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27483] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27482] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27477] +++ exited with 0 +++ [pid 27475] <... mmap resumed>) = 0x7f026358b000 [pid 27482] <... futex resumed>) = 0 [pid 27475] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27477, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27482] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 27475] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 27487 attached [pid 27475] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27487] set_robust_list(0x7f02635cc9a0, 24 [pid 27475] <... rt_sigprocmask resumed>[], 8) = 0 [pid 294] <... restart_syscall resumed>) = 0 [pid 27475] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} => {parent_tid=[27490]}, 88) = 27490 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27490 attached ./strace-static-x86_64: Process 27491 attached ./strace-static-x86_64: Process 27489 attached ./strace-static-x86_64: Process 27488 attached [pid 27487] <... set_robust_list resumed>) = 0 [pid 27486] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27475] rt_sigprocmask(SIG_SETMASK, [], [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27491 [pid 27475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27491] set_robust_list(0x555555eba6a0, 24) = 0 [pid 27475] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27491] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27475] <... futex resumed>) = 0 [pid 27491] <... prctl resumed>) = 0 [pid 27491] setpgid(0, 0) = 0 [pid 27491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27475] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27486] <... openat resumed>) = 3 [pid 27490] set_robust_list(0x7f02635ab9a0, 24 [pid 27488] set_robust_list(0x7f02635ab9a0, 24 [pid 27489] set_robust_list(0x7f02635cc9a0, 24 [pid 27487] rt_sigprocmask(SIG_SETMASK, [], [pid 27490] <... set_robust_list resumed>) = 0 [pid 27489] <... set_robust_list resumed>) = 0 [pid 27488] <... set_robust_list resumed>) = 0 [pid 27487] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27491] <... openat resumed>) = 3 [pid 27486] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27491] write(3, "1000", 4) = 4 [pid 27491] close(3) = 0 [pid 27491] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27491] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, NULL, 8) = 0 [pid 27491] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 27486] <... futex resumed>) = 1 [pid 27479] <... futex resumed>) = 0 [pid 27491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27479] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27486] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27491] <... mmap resumed>) = 0x7f02635ac000 [pid 27479] <... futex resumed>) = 0 [pid 27491] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27479] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27486] <... write resumed>) = 9 [pid 27491] <... mprotect resumed>) = 0 [pid 27491] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27490] rt_sigprocmask(SIG_SETMASK, [], [pid 27489] rt_sigprocmask(SIG_SETMASK, [], [pid 27488] rt_sigprocmask(SIG_SETMASK, [], [pid 27486] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27491] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27487] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27486] <... futex resumed>) = 1 [pid 27479] <... futex resumed>) = 0 [pid 27486] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27479] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27491] <... clone3 resumed> => {parent_tid=[27492]}, 88) = 27492 [pid 27486] <... write resumed>) = 10 [pid 27479] <... futex resumed>) = 0 [pid 27490] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27489] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27491] rt_sigprocmask(SIG_SETMASK, [], [pid 27487] <... openat resumed>) = 3 [pid 27486] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27479] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27492 attached [pid 27491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27490] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27489] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27488] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27486] <... futex resumed>) = 0 [pid 27479] <... futex resumed>) = 0 [pid 27491] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27486] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27491] <... futex resumed>) = 0 [pid 27479] <... mmap resumed>) = 0x7f026358b000 [pid 27491] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27479] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27492] set_robust_list(0x7f02635cc9a0, 24 [pid 27487] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27479] <... mprotect resumed>) = 0 [pid 27490] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27479] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27490] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27479] <... clone3 resumed> => {parent_tid=[27493]}, 88) = 27493 [pid 27490] <... futex resumed>) = 1 [pid 27489] <... openat resumed>) = 3 [pid 27479] rt_sigprocmask(SIG_SETMASK, [], [pid 27475] <... futex resumed>) = 0 [pid 27479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27475] exit_group(0 [pid 27490] ????() = ? [pid 27483] <... futex resumed>) = ? [pid 27479] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27475] <... exit_group resumed>) = ? [pid 27483] +++ exited with 0 +++ [pid 27479] <... futex resumed>) = 0 [pid 27479] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27488] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27488] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27473] <... futex resumed>) = 0 [pid 27473] exit_group(0 [pid 27484] <... futex resumed>) = ? [pid 27473] <... exit_group resumed>) = ? [pid 27484] +++ exited with 0 +++ [pid 27488] <... futex resumed>) = ? [pid 27490] +++ exited with 0 +++ [pid 27475] +++ exited with 0 +++ [pid 27492] <... set_robust_list resumed>) = 0 [pid 27489] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27475, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27492] rt_sigprocmask(SIG_SETMASK, [], [pid 27489] <... futex resumed>) = 1 [pid 27482] <... futex resumed>) = 0 [pid 27492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27487] <... futex resumed>) = 1 [pid 27480] <... futex resumed>) = 0 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 27482] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27480] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27482] <... futex resumed>) = 0 [pid 27480] <... futex resumed>) = 0 [pid 27492] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27489] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27487] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27482] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27480] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27492] <... openat resumed>) = 3 [pid 27489] <... write resumed>) = 9 [pid 27487] <... write resumed>) = 9 [pid 27492] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27489] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27487] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... restart_syscall resumed>) = 0 [pid 27482] <... futex resumed>) = 0 [pid 27482] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27492] <... futex resumed>) = 1 [pid 27491] <... futex resumed>) = 0 [pid 27489] <... futex resumed>) = 1 [pid 27487] <... futex resumed>) = 1 [pid 27480] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27493 attached [pid 27492] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27491] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27489] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27488] +++ exited with 0 +++ [pid 27487] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27482] <... futex resumed>) = 0 [pid 27480] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27473] +++ exited with 0 +++ [pid 27492] <... write resumed>) = 9 [pid 27491] <... futex resumed>) = 0 [pid 27489] <... write resumed>) = 10 [pid 27487] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27482] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27480] <... futex resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27473, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27492] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27491] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27489] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27487] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27482] <... futex resumed>) = 0 [pid 27480] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27494 attached [pid 27493] set_robust_list(0x7f02635ab9a0, 24 [pid 27492] <... futex resumed>) = 0 [pid 27491] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27489] <... futex resumed>) = 0 [pid 27487] <... write resumed>) = 10 [pid 27482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27494 [pid 27493] <... set_robust_list resumed>) = 0 [pid 27492] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27491] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27494] set_robust_list(0x555555eba6a0, 24 [pid 27489] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27482] <... mmap resumed>) = 0x7f026358b000 [pid 27480] <... futex resumed>) = 0 [pid 27487] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27494] <... set_robust_list resumed>) = 0 [pid 27493] rt_sigprocmask(SIG_SETMASK, [], [pid 27492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27491] <... futex resumed>) = 0 [pid 27487] <... futex resumed>) = 0 [pid 27482] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27494] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27493] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27492] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27480] <... mmap resumed>) = 0x7f026358b000 [pid 27492] <... write resumed>) = 10 [pid 27491] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27492] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27491] <... futex resumed>) = 0 [pid 27482] <... mprotect resumed>) = 0 [pid 27480] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27494] <... prctl resumed>) = 0 [pid 27494] setpgid(0, 0) = 0 [pid 27491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27492] <... futex resumed>) = 0 [pid 27482] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27480] <... mprotect resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27493] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27492] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27491] <... mmap resumed>) = 0x7f026358b000 [pid 27480] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27491] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27482] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27491] <... mprotect resumed>) = 0 [pid 27482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27480] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27493] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27491] rt_sigprocmask(SIG_BLOCK, ~[], [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27495 [pid 27493] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27491] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27482] <... clone3 resumed> => {parent_tid=[27496]}, 88) = 27496 [pid 27480] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27493] <... futex resumed>) = 1 [pid 27491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27482] rt_sigprocmask(SIG_SETMASK, [], [pid 27479] <... futex resumed>) = 0 [pid 27479] exit_group(0 [pid 27491] <... clone3 resumed> => {parent_tid=[27498]}, 88) = 27498 [pid 27486] <... futex resumed>) = ? [pid 27482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27480] <... clone3 resumed> => {parent_tid=[27497]}, 88) = 27497 [pid 27479] <... exit_group resumed>) = ? [pid 27493] +++ exited with 0 +++ [pid 27491] rt_sigprocmask(SIG_SETMASK, [], [pid 27486] +++ exited with 0 +++ [pid 27482] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27480] rt_sigprocmask(SIG_SETMASK, [], [pid 27494] <... openat resumed>) = 3 [pid 27494] write(3, "1000", 4) = 4 [pid 27494] close(3) = 0 [pid 27479] +++ exited with 0 +++ [pid 27494] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27482] <... futex resumed>) = 0 [pid 27480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27491] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27482] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27480] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27479, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27491] <... futex resumed>) = 0 [pid 27487] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27480] <... futex resumed>) = 0 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 27491] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27480] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27494] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27498 attached ./strace-static-x86_64: Process 27495 attached [pid 27498] set_robust_list(0x7f02635ab9a0, 24 [pid 27494] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 295] <... restart_syscall resumed>) = 0 [pid 27494] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27494] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 27494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f02635ac000 [pid 27494] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 27497 attached ./strace-static-x86_64: Process 27496 attached [pid 27498] <... set_robust_list resumed>) = 0 [pid 27495] set_robust_list(0x555555eba6a0, 24 [pid 27498] rt_sigprocmask(SIG_SETMASK, [], [pid 27495] <... set_robust_list resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27496] set_robust_list(0x7f02635ab9a0, 24 [pid 27497] set_robust_list(0x7f02635ab9a0, 24 [pid 27494] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27498] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27498] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10) = -1 EINVAL (Invalid argument) [pid 27498] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 27491] <... futex resumed>) = 0 [pid 27498] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27491] exit_group(0 [pid 27498] <... futex resumed>) = ? [pid 27492] <... futex resumed>) = ? [pid 27491] <... exit_group resumed>) = ? [pid 27498] +++ exited with 0 +++ [pid 27497] <... set_robust_list resumed>) = 0 [pid 27496] <... set_robust_list resumed>) = 0 [pid 27495] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27494] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27492] +++ exited with 0 +++ ./strace-static-x86_64: Process 27499 attached [pid 27497] rt_sigprocmask(SIG_SETMASK, [], [pid 27491] +++ exited with 0 +++ [pid 27497] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27496] rt_sigprocmask(SIG_SETMASK, [], [pid 27495] <... prctl resumed>) = 0 [pid 27494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27499 [pid 27499] set_robust_list(0x555555eba6a0, 24) = 0 [pid 27495] setpgid(0, 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27491, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27499] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27497] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27495] <... setpgid resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27499] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 27500 attached [pid 27497] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27496] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 27501 attached [pid 27499] setpgid(0, 0 [pid 27494] <... clone3 resumed> => {parent_tid=[27500]}, 88) = 27500 [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27501 [pid 27499] <... setpgid resumed>) = 0 [pid 27494] rt_sigprocmask(SIG_SETMASK, [], [pid 27501] set_robust_list(0x555555eba6a0, 24 [pid 27500] set_robust_list(0x7f02635cc9a0, 24 [pid 27499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27497] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27496] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27495] <... openat resumed>) = 3 [pid 27499] <... openat resumed>) = 3 [pid 27495] write(3, "1000", 4 [pid 27494] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27499] write(3, "1000", 4 [pid 27494] <... futex resumed>) = 0 [pid 27499] <... write resumed>) = 4 [pid 27494] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27499] close(3) = 0 [pid 27495] <... write resumed>) = 4 [pid 27499] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27499] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, NULL, 8) = 0 [pid 27499] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 27499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f02635ac000 [pid 27499] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27495] close(3) = 0 [pid 27499] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27499] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27495] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27499] <... clone3 resumed> => {parent_tid=[27502]}, 88) = 27502 [pid 27499] rt_sigprocmask(SIG_SETMASK, [], [pid 27495] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27499] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27495] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27499] <... futex resumed>) = 0 [pid 27499] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27495] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 27495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 27502 attached [pid 27501] <... set_robust_list resumed>) = 0 [pid 27500] <... set_robust_list resumed>) = 0 [pid 27497] <... futex resumed>) = 1 [pid 27496] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27480] <... futex resumed>) = 0 [pid 27480] exit_group(0 [pid 27487] <... futex resumed>) = ? [pid 27480] <... exit_group resumed>) = ? [pid 27496] <... futex resumed>) = 1 [pid 27495] <... mmap resumed>) = 0x7f02635ac000 [pid 27487] +++ exited with 0 +++ [pid 27502] set_robust_list(0x7f02635cc9a0, 24 [pid 27482] <... futex resumed>) = 0 [pid 27482] exit_group(0 [pid 27489] <... futex resumed>) = ? [pid 27482] <... exit_group resumed>) = ? [pid 27495] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27489] +++ exited with 0 +++ [pid 27500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27495] <... mprotect resumed>) = 0 [pid 27500] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27495] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27500] <... openat resumed>) = 3 [pid 27495] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27500] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27495] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27494] <... futex resumed>) = 0 [pid 27494] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27494] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27500] <... futex resumed>) = 1 [pid 27500] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9) = 9 [pid 27500] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27494] <... futex resumed>) = 0 [pid 27494] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27496] +++ exited with 0 +++ [pid 27494] <... futex resumed>) = 0 [pid 27482] +++ exited with 0 +++ [pid 27494] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27482, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27495] <... clone3 resumed> => {parent_tid=[27503]}, 88) = 27503 [pid 27494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27501] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27495] rt_sigprocmask(SIG_SETMASK, [], [pid 27494] <... mmap resumed>) = 0x7f026358b000 [pid 27494] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27504 [pid 27501] <... prctl resumed>) = 0 [pid 27495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27494] <... mprotect resumed>) = 0 [pid 27502] <... set_robust_list resumed>) = 0 [pid 27500] <... futex resumed>) = 1 [pid 27494] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27502] rt_sigprocmask(SIG_SETMASK, [], [pid 27500] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27495] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27494] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27502] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27500] <... write resumed>) = 10 [pid 27494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27502] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27501] setpgid(0, 0 [pid 27500] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27495] <... futex resumed>) = 0 [pid 27502] <... openat resumed>) = 3 [pid 27500] <... futex resumed>) = 0 [pid 27494] <... clone3 resumed> => {parent_tid=[27505]}, 88) = 27505 [pid 27495] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27502] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27501] <... setpgid resumed>) = 0 [pid 27500] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27494] rt_sigprocmask(SIG_SETMASK, [], [pid 27502] <... futex resumed>) = 1 [pid 27499] <... futex resumed>) = 0 [pid 27494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27502] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27499] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27494] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27499] <... futex resumed>) = 0 [pid 27494] <... futex resumed>) = 0 [pid 27502] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27499] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27494] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27502] <... write resumed>) = 9 [pid 27502] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27502] <... futex resumed>) = 1 [pid 27499] <... futex resumed>) = 0 [pid 27502] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27499] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27502] <... write resumed>) = 10 [pid 27499] <... futex resumed>) = 0 [pid 27499] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27504 attached [pid 27502] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27499] <... futex resumed>) = 0 [pid 27504] set_robust_list(0x555555eba6a0, 24 [pid 27502] <... futex resumed>) = 0 [pid 27499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27504] <... set_robust_list resumed>) = 0 [pid 27502] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27499] <... mmap resumed>) = 0x7f026358b000 [pid 27504] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27499] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 27503 attached [pid 27504] <... prctl resumed>) = 0 [pid 27499] <... mprotect resumed>) = 0 [pid 27504] setpgid(0, 0 [pid 27503] set_robust_list(0x7f02635cc9a0, 24 [pid 27504] <... setpgid resumed>) = 0 [pid 27503] <... set_robust_list resumed>) = 0 [pid 27499] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27503] rt_sigprocmask(SIG_SETMASK, [], [pid 27499] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27504] <... openat resumed>) = 3 [pid 27503] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27499] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27504] write(3, "1000", 4 [pid 27503] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27504] <... write resumed>) = 4 [pid 27501] <... openat resumed>) = 3 [pid 27504] close(3 [pid 27503] <... openat resumed>) = 3 [pid 27499] <... clone3 resumed> => {parent_tid=[27506]}, 88) = 27506 [pid 27504] <... close resumed>) = 0 [pid 27503] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27501] write(3, "1000", 4 [pid 27499] rt_sigprocmask(SIG_SETMASK, [], [pid 27504] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27503] <... futex resumed>) = 1 [pid 27501] <... write resumed>) = 4 [pid 27499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27495] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27505 attached ./strace-static-x86_64: Process 27506 attached [pid 27504] <... futex resumed>) = 0 [pid 27503] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27501] close(3 [pid 27499] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27497] +++ exited with 0 +++ [pid 27495] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27480] +++ exited with 0 +++ [pid 27504] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27503] <... write resumed>) = 9 [pid 27501] <... close resumed>) = 0 [pid 27499] <... futex resumed>) = 0 [pid 27495] <... futex resumed>) = 0 [pid 27504] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27503] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27499] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27495] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27480, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27504] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27503] <... futex resumed>) = 0 [pid 27501] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 27504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27503] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27501] <... futex resumed>) = 0 [pid 27495] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27501] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27495] <... futex resumed>) = 0 [pid 299] <... restart_syscall resumed>) = 0 [pid 27504] <... mmap resumed>) = 0x7f02635ac000 [pid 27503] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27501] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27495] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27504] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27503] <... write resumed>) = 10 [pid 27495] <... futex resumed>) = 0 [pid 27504] <... mprotect resumed>) = 0 [pid 27503] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27501] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27506] set_robust_list(0x7f02635ab9a0, 24 [pid 27505] set_robust_list(0x7f02635ab9a0, 24 [pid 27504] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27503] <... futex resumed>) = 0 [pid 27501] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27495] <... mmap resumed>) = 0x7f026358b000 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27506] <... set_robust_list resumed>) = 0 [pid 27505] <... set_robust_list resumed>) = 0 [pid 27504] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27503] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27501] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27495] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 27507 attached [pid 27506] rt_sigprocmask(SIG_SETMASK, [], [pid 27505] rt_sigprocmask(SIG_SETMASK, [], [pid 27504] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27505] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27501] <... mmap resumed>) = 0x7f02635ac000 [pid 27495] <... mprotect resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27507 [pid 27507] set_robust_list(0x555555eba6a0, 24 [pid 27506] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27505] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27504] <... clone3 resumed> => {parent_tid=[27508]}, 88) = 27508 [pid 27501] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27495] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27506] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27505] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27504] rt_sigprocmask(SIG_SETMASK, [], [pid 27501] <... mprotect resumed>) = 0 [pid 27495] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27506] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27505] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27504] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27501] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27495] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27506] <... futex resumed>) = 1 [pid 27505] <... futex resumed>) = 1 [pid 27504] <... futex resumed>) = 0 [pid 27501] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27499] <... futex resumed>) = 0 [pid 27494] <... futex resumed>) = 0 [pid 27506] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27505] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27504] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27501] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27499] exit_group(0 [pid 27494] exit_group(0 [pid 27500] <... futex resumed>) = ? [pid 27494] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 27510 attached ./strace-static-x86_64: Process 27509 attached ./strace-static-x86_64: Process 27508 attached [pid 27507] <... set_robust_list resumed>) = 0 [pid 27506] <... futex resumed>) = ? [pid 27505] <... futex resumed>) = ? [pid 27502] <... futex resumed>) = ? [pid 27500] +++ exited with 0 +++ [pid 27499] <... exit_group resumed>) = ? [pid 27495] <... clone3 resumed> => {parent_tid=[27509]}, 88) = 27509 [pid 27502] +++ exited with 0 +++ [pid 27506] +++ exited with 0 +++ [pid 27507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 27507] setpgid(0, 0) = 0 [pid 27507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 27505] +++ exited with 0 +++ [pid 27494] +++ exited with 0 +++ [pid 27507] write(3, "1000", 4 [pid 27501] <... clone3 resumed> => {parent_tid=[27510]}, 88) = 27510 [pid 27507] <... write resumed>) = 4 [pid 27507] close(3) = 0 [pid 27507] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27507] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, NULL, 8) = 0 [pid 27499] +++ exited with 0 +++ [pid 27507] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27501] rt_sigprocmask(SIG_SETMASK, [], [pid 27495] rt_sigprocmask(SIG_SETMASK, [], [pid 27507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27501] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27499, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27501] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27495] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27494, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27510] set_robust_list(0x7f02635cc9a0, 24 [pid 27509] set_robust_list(0x7f02635ab9a0, 24 [pid 27508] set_robust_list(0x7f02635cc9a0, 24 [pid 27507] <... mmap resumed>) = 0x7f02635ac000 [pid 27501] <... futex resumed>) = 0 [pid 27495] <... futex resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27511 attached [pid 27507] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27511] set_robust_list(0x555555eba6a0, 24 [pid 27507] <... mprotect resumed>) = 0 [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27511 [pid 27511] <... set_robust_list resumed>) = 0 [pid 27507] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27511] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27507] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27501] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27511] <... prctl resumed>) = 0 [pid 27507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27511] setpgid(0, 0 [pid 27495] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27510] <... set_robust_list resumed>) = 0 [pid 27511] <... setpgid resumed>) = 0 [pid 27507] <... clone3 resumed> => {parent_tid=[27512]}, 88) = 27512 [pid 27511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27507] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 27512 attached [pid 27511] <... openat resumed>) = 3 [pid 27510] rt_sigprocmask(SIG_SETMASK, [], [pid 27509] <... set_robust_list resumed>) = 0 [pid 27508] <... set_robust_list resumed>) = 0 [pid 27507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27513 [pid 27511] write(3, "1000", 4 [pid 27507] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27511] <... write resumed>) = 4 [pid 27507] <... futex resumed>) = 0 [pid 27511] close(3 [pid 27507] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27511] <... close resumed>) = 0 [pid 27510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27511] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27510] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27511] <... futex resumed>) = 0 [pid 27511] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, NULL, 8) = 0 [pid 27511] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27510] <... openat resumed>) = 3 [pid 27508] rt_sigprocmask(SIG_SETMASK, [], [pid 27511] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f02635ac000 [pid 27510] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27511] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27510] <... futex resumed>) = 1 [pid 27501] <... futex resumed>) = 0 [pid 27508] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27511] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27510] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27501] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27509] rt_sigprocmask(SIG_SETMASK, [], [pid 27508] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27511] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27511] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27510] <... write resumed>) = 9 [pid 27501] <... futex resumed>) = 0 [pid 27512] set_robust_list(0x7f02635cc9a0, 24 [pid 27511] <... clone3 resumed> => {parent_tid=[27514]}, 88) = 27514 [pid 27509] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27508] <... openat resumed>) = 3 [pid 27511] rt_sigprocmask(SIG_SETMASK, [], [pid 27510] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27501] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27511] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27510] <... futex resumed>) = 0 [pid 27508] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27511] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27510] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27509] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27508] <... futex resumed>) = 1 [pid 27504] <... futex resumed>) = 0 [pid 27501] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27511] <... futex resumed>) = 0 [pid 27510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27504] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27501] <... futex resumed>) = 0 [pid 27508] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27509] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27511] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27510] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27504] <... futex resumed>) = 0 [pid 27501] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27508] <... write resumed>) = 9 [pid 27510] <... write resumed>) = 10 [pid 27509] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27504] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27501] <... futex resumed>) = 0 [pid 27510] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27509] <... futex resumed>) = 1 [pid 27508] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27501] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27495] <... futex resumed>) = 0 [pid 27510] <... futex resumed>) = 0 [pid 27504] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27501] <... mmap resumed>) = 0x7f026358b000 [pid 27495] exit_group(0 [pid 27508] <... futex resumed>) = 0 [pid 27509] read(0, [pid 27510] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27508] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27504] <... futex resumed>) = 0 [pid 27503] <... futex resumed>) = ? [pid 27501] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27495] <... exit_group resumed>) = ? [pid 27509] +++ exited with 0 +++ [pid 27508] <... write resumed>) = 10 [pid 27504] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27503] +++ exited with 0 +++ [pid 27501] <... mprotect resumed>) = 0 [pid 27504] <... futex resumed>) = 0 [pid 27504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f026358b000 [pid 27504] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27504] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27504] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27495] +++ exited with 0 +++ [pid 27508] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27501] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27508] <... futex resumed>) = 0 [pid 27504] <... clone3 resumed> => {parent_tid=[27515]}, 88) = 27515 [pid 27501] <... rt_sigprocmask resumed>[], 8) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27495, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27508] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27504] rt_sigprocmask(SIG_SETMASK, [], [pid 27501] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 27512] <... set_robust_list resumed>) = 0 [pid 27504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 27504] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27501] <... clone3 resumed> => {parent_tid=[27516]}, 88) = 27516 [pid 27512] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 27515 attached ./strace-static-x86_64: Process 27516 attached ./strace-static-x86_64: Process 27514 attached ./strace-static-x86_64: Process 27513 attached NULL, 8) = 0 [pid 27504] <... futex resumed>) = 0 [pid 27501] rt_sigprocmask(SIG_SETMASK, [], [pid 27504] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27516] set_robust_list(0x7f02635ab9a0, 24 [pid 27515] set_robust_list(0x7f02635ab9a0, 24 [pid 27514] set_robust_list(0x7f02635cc9a0, 24 [pid 27513] set_robust_list(0x555555eba6a0, 24 [pid 27512] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27501] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 27517 attached [pid 27517] set_robust_list(0x555555eba6a0, 24 [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27517 [pid 27517] <... set_robust_list resumed>) = 0 [pid 27517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 27501] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27512] <... openat resumed>) = 3 [pid 27517] setpgid(0, 0) = 0 [pid 27517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27516] <... set_robust_list resumed>) = 0 [pid 27515] <... set_robust_list resumed>) = 0 [pid 27514] <... set_robust_list resumed>) = 0 [pid 27513] <... set_robust_list resumed>) = 0 [pid 27512] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27501] <... futex resumed>) = 0 [pid 27517] <... openat resumed>) = 3 [pid 27512] <... futex resumed>) = 1 [pid 27507] <... futex resumed>) = 0 [pid 27501] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27517] write(3, "1000", 4 [pid 27507] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27517] <... write resumed>) = 4 [pid 27513] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27512] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27507] <... futex resumed>) = 0 [pid 27517] close(3 [pid 27507] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27517] <... close resumed>) = 0 [pid 27513] <... prctl resumed>) = 0 [pid 27512] <... write resumed>) = 9 [pid 27517] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27514] rt_sigprocmask(SIG_SETMASK, [], [pid 27513] setpgid(0, 0 [pid 27512] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27517] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, NULL, 8) = 0 [pid 27517] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 27514] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27513] <... setpgid resumed>) = 0 [pid 27512] <... futex resumed>) = 1 [pid 27507] <... futex resumed>) = 0 [pid 27517] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27514] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27512] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27507] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27517] <... mmap resumed>) = 0x7f02635ac000 [pid 27514] <... openat resumed>) = 3 [pid 27513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27512] <... write resumed>) = 10 [pid 27507] <... futex resumed>) = 0 [pid 27517] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27512] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27507] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27517] <... mprotect resumed>) = 0 [pid 27514] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27513] <... openat resumed>) = 3 [pid 27512] <... futex resumed>) = 0 [pid 27507] <... futex resumed>) = 0 [pid 27516] rt_sigprocmask(SIG_SETMASK, [], [pid 27515] rt_sigprocmask(SIG_SETMASK, [], [pid 27517] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27514] <... futex resumed>) = 1 [pid 27513] write(3, "1000", 4 [pid 27512] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27511] <... futex resumed>) = 0 [pid 27507] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27516] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27517] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27514] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27513] <... write resumed>) = 4 [pid 27512] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27511] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27517] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27514] <... write resumed>) = 9 [pid 27513] close(3 [pid 27512] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27511] <... futex resumed>) = 0 [pid 27514] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27513] <... close resumed>) = 0 [pid 27512] <... futex resumed>) = 1 [pid 27511] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27507] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27518 attached [pid 27517] <... clone3 resumed> => {parent_tid=[27518]}, 88) = 27518 [pid 27516] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27515] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27507] exit_group(0 [pid 27517] rt_sigprocmask(SIG_SETMASK, [], [pid 27511] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27507] <... exit_group resumed>) = ? [pid 27517] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27514] <... futex resumed>) = 0 [pid 27511] <... futex resumed>) = 0 [pid 27517] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27513] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27511] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27517] <... futex resumed>) = 0 [pid 27515] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27514] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27511] <... futex resumed>) = 0 [pid 27517] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f026358b000 [pid 27511] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27511] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27511] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} => {parent_tid=[27519]}, 88) = 27519 [pid 27512] +++ exited with 0 +++ [pid 27511] rt_sigprocmask(SIG_SETMASK, [], [pid 27507] +++ exited with 0 +++ [pid 27515] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27514] <... write resumed>) = 10 [pid 27513] <... futex resumed>) = 0 [pid 27511] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27507, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27511] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27511] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27519 attached [pid 27514] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27513] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27515] <... futex resumed>) = 1 [pid 27504] <... futex resumed>) = 0 [pid 27515] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27514] <... futex resumed>) = 0 [pid 27513] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27504] exit_group(0 [pid 27519] set_robust_list(0x7f02635ab9a0, 24 [pid 27518] set_robust_list(0x7f02635cc9a0, 24 [pid 27516] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27508] <... futex resumed>) = ? [pid 27504] <... exit_group resumed>) = ? [pid 27508] +++ exited with 0 +++ [pid 27514] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27518] <... set_robust_list resumed>) = 0 [pid 27516] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27515] <... futex resumed>) = ? [pid 27513] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27519] <... set_robust_list resumed>) = 0 [pid 27519] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27519] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10) = -1 EINVAL (Invalid argument) [pid 27519] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27515] +++ exited with 0 +++ [pid 27504] +++ exited with 0 +++ [pid 27516] <... futex resumed>) = 1 [pid 27513] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27501] <... futex resumed>) = 0 [pid 27516] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27513] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27501] exit_group(0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27504, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27513] <... mmap resumed>) = 0x7f02635ac000 [pid 27510] <... futex resumed>) = ? [pid 27501] <... exit_group resumed>) = ? [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 27513] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27510] +++ exited with 0 +++ [pid 27513] <... mprotect resumed>) = 0 [pid 27516] <... futex resumed>) = ? [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27511] <... futex resumed>) = 0 [pid 27513] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27511] exit_group(0) = ? [pid 297] <... restart_syscall resumed>) = 0 [pid 27514] <... futex resumed>) = ? [pid 27513] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27514] +++ exited with 0 +++ [pid 27513] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27521 [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27522 [pid 27513] <... clone3 resumed> => {parent_tid=[27523]}, 88) = 27523 [pid 27513] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27513] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27519] <... futex resumed>) = ? [pid 27513] <... futex resumed>) = 0 [pid 27516] +++ exited with 0 +++ [pid 27513] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27501] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27501, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 27523 attached [pid 27518] rt_sigprocmask(SIG_SETMASK, [], [pid 294] <... restart_syscall resumed>) = 0 [pid 27523] set_robust_list(0x7f02635cc9a0, 24 [pid 27518] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27523] <... set_robust_list resumed>) = 0 [pid 27518] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27524 [pid 27523] rt_sigprocmask(SIG_SETMASK, [], [pid 27519] +++ exited with 0 +++ [pid 27518] <... openat resumed>) = 3 [pid 27511] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27511, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 27518] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 27517] <... futex resumed>) = 0 [pid 27517] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27518] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27517] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27522 attached [pid 27518] <... write resumed>) = 9 [pid 27522] set_robust_list(0x555555eba6a0, 24) = 0 [pid 27522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 27522] setpgid(0, 0 [pid 27518] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27521 attached [pid 27523] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27518] <... futex resumed>) = 1 [pid 27517] <... futex resumed>) = 0 [pid 27518] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27517] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27524 attached [pid 27523] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27522] <... setpgid resumed>) = 0 [pid 27521] set_robust_list(0x555555eba6a0, 24 [pid 27518] <... write resumed>) = 10 [pid 27517] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27525 attached [pid 27524] set_robust_list(0x555555eba6a0, 24 [pid 27523] <... openat resumed>) = 3 [pid 27522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27521] <... set_robust_list resumed>) = 0 [pid 27517] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27525] set_robust_list(0x555555eba6a0, 24 [pid 27522] <... openat resumed>) = 3 [pid 27521] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27518] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27517] <... futex resumed>) = 0 [pid 27523] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27525 [pid 27524] <... set_robust_list resumed>) = 0 [pid 27525] <... set_robust_list resumed>) = 0 [pid 27522] write(3, "1000", 4 [pid 27521] <... prctl resumed>) = 0 [pid 27517] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27525] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27523] <... futex resumed>) = 1 [pid 27522] <... write resumed>) = 4 [pid 27521] setpgid(0, 0 [pid 27518] <... futex resumed>) = 0 [pid 27517] <... mmap resumed>) = 0x7f026358b000 [pid 27513] <... futex resumed>) = 0 [pid 27525] <... prctl resumed>) = 0 [pid 27524] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27523] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27522] close(3 [pid 27521] <... setpgid resumed>) = 0 [pid 27518] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27517] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27513] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27525] setpgid(0, 0 [pid 27524] <... prctl resumed>) = 0 [pid 27523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27522] <... close resumed>) = 0 [pid 27521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27517] <... mprotect resumed>) = 0 [pid 27513] <... futex resumed>) = 0 [pid 27525] <... setpgid resumed>) = 0 [pid 27524] setpgid(0, 0 [pid 27523] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27522] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27521] <... openat resumed>) = 3 [pid 27517] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27513] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27524] <... setpgid resumed>) = 0 [pid 27523] <... write resumed>) = 9 [pid 27522] <... futex resumed>) = 0 [pid 27521] write(3, "1000", 4 [pid 27517] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27525] <... openat resumed>) = 3 [pid 27524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27523] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27522] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27521] <... write resumed>) = 4 [pid 27517] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0}./strace-static-x86_64: Process 27526 attached [pid 27525] write(3, "1000", 4 [pid 27524] <... openat resumed>) = 3 [pid 27523] <... futex resumed>) = 1 [pid 27522] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27521] close(3 [pid 27513] <... futex resumed>) = 0 [pid 27525] <... write resumed>) = 4 [pid 27524] write(3, "1000", 4 [pid 27522] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27521] <... close resumed>) = 0 [pid 27517] <... clone3 resumed> => {parent_tid=[27526]}, 88) = 27526 [pid 27525] close(3 [pid 27524] <... write resumed>) = 4 [pid 27522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27521] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27517] rt_sigprocmask(SIG_SETMASK, [], [pid 27525] <... close resumed>) = 0 [pid 27524] close(3 [pid 27522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27521] <... futex resumed>) = 0 [pid 27517] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27525] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27524] <... close resumed>) = 0 [pid 27522] <... mmap resumed>) = 0x7f02635ac000 [pid 27521] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27517] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27525] <... futex resumed>) = 0 [pid 27524] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27522] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27521] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27517] <... futex resumed>) = 0 [pid 27525] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27524] <... futex resumed>) = 0 [pid 27522] <... mprotect resumed>) = 0 [pid 27521] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27517] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27526] set_robust_list(0x7f02635ab9a0, 24 [pid 27525] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27524] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27523] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27522] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27513] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27526] <... set_robust_list resumed>) = 0 [pid 27525] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27524] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27522] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27513] <... futex resumed>) = 0 [pid 27526] rt_sigprocmask(SIG_SETMASK, [], [pid 27525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27524] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27523] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27522] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27521] <... mmap resumed>) = 0x7f02635ac000 [pid 27513] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27527 attached [pid 27526] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27525] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27524] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27523] <... write resumed>) = 10 [pid 27521] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27513] <... futex resumed>) = 0 [pid 27527] set_robust_list(0x7f02635cc9a0, 24 [pid 27526] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27525] <... mmap resumed>) = 0x7f02635ac000 [pid 27524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27523] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27522] <... clone3 resumed> => {parent_tid=[27527]}, 88) = 27527 [pid 27521] <... mprotect resumed>) = 0 [pid 27513] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27526] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27525] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27524] <... mmap resumed>) = 0x7f02635ac000 [pid 27523] <... futex resumed>) = 0 [pid 27522] rt_sigprocmask(SIG_SETMASK, [], [pid 27513] <... mmap resumed>) = 0x7f026358b000 [pid 27523] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27513] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27521] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27513] <... mprotect resumed>) = 0 [pid 27524] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27526] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27525] <... mprotect resumed>) = 0 [pid 27522] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27521] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27524] <... mprotect resumed>) = 0 [pid 27513] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27526] <... futex resumed>) = 1 [pid 27525] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27522] <... futex resumed>) = 0 [pid 27517] <... futex resumed>) = 0 [pid 27513] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27526] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27525] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27524] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27522] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27517] exit_group(0 [pid 27513] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27525] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27524] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27518] <... futex resumed>) = ? [pid 27526] <... futex resumed>) = ? [pid 27517] <... exit_group resumed>) = ? [pid 27526] +++ exited with 0 +++ [pid 27524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27521] <... clone3 resumed> => {parent_tid=[27529]}, 88) = 27529 [pid 27518] +++ exited with 0 +++ [pid 27513] <... clone3 resumed> => {parent_tid=[27528]}, 88) = 27528 [pid 27513] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27513] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27517] +++ exited with 0 +++ [pid 27513] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27517, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27525] <... clone3 resumed> => {parent_tid=[27530]}, 88) = 27530 [pid 27521] rt_sigprocmask(SIG_SETMASK, [], [pid 27525] rt_sigprocmask(SIG_SETMASK, [], [pid 27524] <... clone3 resumed> => {parent_tid=[27531]}, 88) = 27531 [pid 27521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27524] rt_sigprocmask(SIG_SETMASK, [], [pid 27521] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27525] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27524] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27525] <... futex resumed>) = 0 [pid 27521] <... futex resumed>) = 0 [pid 27524] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27525] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27524] <... futex resumed>) = 0 [pid 27521] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27529 attached ./strace-static-x86_64: Process 27528 attached [pid 27524] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27532 [pid 27528] set_robust_list(0x7f02635ab9a0, 24 [pid 27529] set_robust_list(0x7f02635cc9a0, 24 [pid 27528] <... set_robust_list resumed>) = 0 [pid 27529] <... set_robust_list resumed>) = 0 [pid 27528] rt_sigprocmask(SIG_SETMASK, [], [pid 27529] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 27532 attached ./strace-static-x86_64: Process 27531 attached ./strace-static-x86_64: Process 27530 attached [pid 27528] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27527] <... set_robust_list resumed>) = 0 [pid 27528] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27531] set_robust_list(0x7f02635cc9a0, 24 [pid 27530] set_robust_list(0x7f02635cc9a0, 24 [pid 27528] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27527] rt_sigprocmask(SIG_SETMASK, [], [pid 27532] set_robust_list(0x555555eba6a0, 24 [pid 27528] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 27513] <... futex resumed>) = 0 [pid 27527] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27531] <... set_robust_list resumed>) = 0 [pid 27530] <... set_robust_list resumed>) = 0 [pid 27528] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27513] exit_group(0 [pid 27528] <... futex resumed>) = ? [pid 27523] <... futex resumed>) = ? [pid 27513] <... exit_group resumed>) = ? [pid 27532] <... set_robust_list resumed>) = 0 [pid 27531] rt_sigprocmask(SIG_SETMASK, [], [pid 27530] rt_sigprocmask(SIG_SETMASK, [], [pid 27528] +++ exited with 0 +++ [pid 27529] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27527] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27523] +++ exited with 0 +++ [pid 27532] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27531] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27513] +++ exited with 0 +++ [pid 27527] <... openat resumed>) = 3 [pid 27531] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27532] <... prctl resumed>) = 0 [pid 27527] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27513, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27527] <... futex resumed>) = 1 [pid 27522] <... futex resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27532] setpgid(0, 0 [pid 27531] <... openat resumed>) = 3 [pid 27530] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27529] <... openat resumed>) = 3 [pid 27527] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27522] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27533 attached ) = 0 [pid 27531] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27530] <... openat resumed>) = 3 [pid 27527] <... write resumed>) = 9 [pid 27533] set_robust_list(0x555555eba6a0, 24 [pid 27527] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27522] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27533 [pid 27533] <... set_robust_list resumed>) = 0 [pid 27531] <... futex resumed>) = 1 [pid 27530] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27527] <... futex resumed>) = 0 [pid 27524] <... futex resumed>) = 0 [pid 27522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27533] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27532] <... setpgid resumed>) = 0 [pid 27531] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27530] <... futex resumed>) = 1 [pid 27529] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27527] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27525] <... futex resumed>) = 0 [pid 27524] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27522] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27533] <... prctl resumed>) = 0 [pid 27532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27530] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27529] <... futex resumed>) = 1 [pid 27527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27525] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27524] <... futex resumed>) = 0 [pid 27522] <... futex resumed>) = 0 [pid 27521] <... futex resumed>) = 0 [pid 27533] setpgid(0, 0 [pid 27532] <... openat resumed>) = 3 [pid 27531] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27529] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27527] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27525] <... futex resumed>) = 0 [pid 27524] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27522] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27521] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27533] <... setpgid resumed>) = 0 [pid 27532] write(3, "1000", 4 [pid 27531] <... write resumed>) = 9 [pid 27530] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27527] <... write resumed>) = 10 [pid 27525] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27522] <... futex resumed>) = 0 [pid 27521] <... futex resumed>) = 0 [pid 27532] <... write resumed>) = 4 [pid 27531] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27530] <... write resumed>) = 9 [pid 27529] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27527] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27521] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27532] close(3 [pid 27531] <... futex resumed>) = 1 [pid 27530] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27529] <... write resumed>) = 9 [pid 27527] <... futex resumed>) = 0 [pid 27524] <... futex resumed>) = 0 [pid 27522] <... mmap resumed>) = 0x7f026358b000 [pid 27532] <... close resumed>) = 0 [pid 27531] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27530] <... futex resumed>) = 1 [pid 27529] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27527] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27525] <... futex resumed>) = 0 [pid 27524] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27522] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27533] <... openat resumed>) = 3 [pid 27532] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27530] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27529] <... futex resumed>) = 1 [pid 27525] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27524] <... futex resumed>) = 0 [pid 27522] <... mprotect resumed>) = 0 [pid 27521] <... futex resumed>) = 0 [pid 27533] write(3, "1000", 4 [pid 27532] <... futex resumed>) = 0 [pid 27531] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27529] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27525] <... futex resumed>) = 0 [pid 27524] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27522] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27521] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27533] <... write resumed>) = 4 [pid 27532] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27531] <... write resumed>) = 10 [pid 27530] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27525] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27524] <... futex resumed>) = 0 [pid 27522] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27521] <... futex resumed>) = 0 [pid 27533] close(3 [pid 27532] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27531] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27530] <... write resumed>) = 10 [pid 27529] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27525] <... futex resumed>) = 0 [pid 27524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27522] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27521] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27533] <... close resumed>) = 0 [pid 27532] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27531] <... futex resumed>) = 0 [pid 27530] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27529] <... write resumed>) = 10 [pid 27525] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27524] <... mmap resumed>) = 0x7f026358b000 [pid 27521] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27534 attached [pid 27533] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27532] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27531] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27530] <... futex resumed>) = 0 [pid 27529] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27525] <... mmap resumed>) = 0x7f026358b000 [pid 27524] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27522] <... clone3 resumed> => {parent_tid=[27534]}, 88) = 27534 [pid 27521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27533] <... futex resumed>) = 0 [pid 27532] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27530] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27529] <... futex resumed>) = 0 [pid 27525] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27524] <... mprotect resumed>) = 0 [pid 27522] rt_sigprocmask(SIG_SETMASK, [], [pid 27521] <... mmap resumed>) = 0x7f026358b000 [pid 27533] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27532] <... mmap resumed>) = 0x7f02635ac000 [pid 27529] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27525] <... mprotect resumed>) = 0 [pid 27524] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27521] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27534] set_robust_list(0x7f02635ab9a0, 24 [pid 27533] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27532] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27525] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27524] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27522] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27521] <... mprotect resumed>) = 0 [pid 27533] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27532] <... mprotect resumed>) = 0 [pid 27525] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27522] <... futex resumed>) = 0 [pid 27521] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27534] <... set_robust_list resumed>) = 0 [pid 27533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27532] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27525] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27522] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27521] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 27536 attached ./strace-static-x86_64: Process 27535 attached [pid 27534] rt_sigprocmask(SIG_SETMASK, [], [pid 27533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27532] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27524] <... clone3 resumed> => {parent_tid=[27535]}, 88) = 27535 [pid 27521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27532] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27525] <... clone3 resumed> => {parent_tid=[27536]}, 88) = 27536 [pid 27524] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 27537 attached [pid 27536] set_robust_list(0x7f02635ab9a0, 24 [pid 27535] set_robust_list(0x7f02635ab9a0, 24 [pid 27534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27533] <... mmap resumed>) = 0x7f02635ac000 [pid 27525] rt_sigprocmask(SIG_SETMASK, [], [pid 27524] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27521] <... clone3 resumed> => {parent_tid=[27537]}, 88) = 27537 [pid 27534] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27533] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27532] <... clone3 resumed> => {parent_tid=[27538]}, 88) = 27538 [pid 27525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27524] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27521] rt_sigprocmask(SIG_SETMASK, [], [pid 27536] <... set_robust_list resumed>) = 0 [pid 27532] rt_sigprocmask(SIG_SETMASK, [], [pid 27525] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27524] <... futex resumed>) = 0 [pid 27521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27532] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27525] <... futex resumed>) = 0 [pid 27524] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27521] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27534] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27533] <... mprotect resumed>) = 0 [pid 27532] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27525] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27521] <... futex resumed>) = 0 [pid 27532] <... futex resumed>) = 0 [pid 27521] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27532] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27538 attached [pid 27538] set_robust_list(0x7f02635cc9a0, 24) = 0 [pid 27538] rt_sigprocmask(SIG_SETMASK, [], [pid 27534] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27533] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27534] <... futex resumed>) = 1 [pid 27522] <... futex resumed>) = 0 [pid 27522] exit_group(0 [pid 27527] <... futex resumed>) = ? [pid 27522] <... exit_group resumed>) = ? [pid 27533] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27527] +++ exited with 0 +++ [pid 27535] <... set_robust_list resumed>) = 0 [pid 27536] rt_sigprocmask(SIG_SETMASK, [], [pid 27537] set_robust_list(0x7f02635ab9a0, 24 [pid 27538] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW) = 3 [pid 27538] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27532] <... futex resumed>) = 0 [pid 27532] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27534] +++ exited with 0 +++ [pid 27532] <... futex resumed>) = 0 [pid 27522] +++ exited with 0 +++ [pid 27533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27532] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27522, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 27538] <... futex resumed>) = 1 [pid 27538] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9) = 9 [pid 27538] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27532] <... futex resumed>) = 0 [pid 27535] rt_sigprocmask(SIG_SETMASK, [], [pid 27532] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27536] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27533] <... clone3 resumed> => {parent_tid=[27539]}, 88) = 27539 [pid 27532] <... futex resumed>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 27538] <... futex resumed>) = 1 [pid 27536] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27535] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27533] rt_sigprocmask(SIG_SETMASK, [], [pid 27532] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27538] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27536] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27535] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27532] <... futex resumed>) = 0 [pid 27538] <... write resumed>) = 10 [pid 27536] <... futex resumed>) = 1 [pid 27535] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27533] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27532] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27525] <... futex resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27539 attached [pid 27538] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27537] <... set_robust_list resumed>) = 0 [pid 27536] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27535] <... futex resumed>) = 1 [pid 27533] <... futex resumed>) = 0 [pid 27532] <... mmap resumed>) = 0x7f026358b000 [pid 27525] exit_group(0 [pid 27524] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27540 attached [pid 27539] set_robust_list(0x7f02635cc9a0, 24 [pid 27538] <... futex resumed>) = 0 [pid 27532] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27530] <... futex resumed>) = ? [pid 27525] <... exit_group resumed>) = ? [pid 27524] exit_group(0 [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27540 [pid 27538] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27537] rt_sigprocmask(SIG_SETMASK, [], [pid 27536] <... futex resumed>) = ? [pid 27533] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27532] <... mprotect resumed>) = 0 [pid 27531] <... futex resumed>) = ? [pid 27530] +++ exited with 0 +++ [pid 27524] <... exit_group resumed>) = ? [pid 27539] <... set_robust_list resumed>) = 0 [pid 27540] set_robust_list(0x555555eba6a0, 24 [pid 27537] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27535] +++ exited with 0 +++ [pid 27532] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27531] +++ exited with 0 +++ [pid 27524] +++ exited with 0 +++ [pid 27532] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27536] +++ exited with 0 +++ [pid 27532] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27525] +++ exited with 0 +++ [pid 27537] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27525, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27532] <... clone3 resumed> => {parent_tid=[27541]}, 88) = 27541 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 27532] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27532] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27537] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27524, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27532] <... futex resumed>) = 0 [pid 27532] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] <... restart_syscall resumed>) = 0 [pid 27539] rt_sigprocmask(SIG_SETMASK, [], [pid 27537] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27542 attached [pid 27540] <... set_robust_list resumed>) = 0 [pid 27539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27537] <... futex resumed>) = 1 [pid 27521] <... futex resumed>) = 0 [pid 27521] exit_group(0 [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27542 [pid 27539] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27529] <... futex resumed>) = ? [pid 27521] <... exit_group resumed>) = ? [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27529] +++ exited with 0 +++ ./strace-static-x86_64: Process 27541 attached [pid 27541] set_robust_list(0x7f02635ab9a0, 24) = 0 [pid 27541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27541] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10) = -1 EINVAL (Invalid argument) [pid 27541] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27532] <... futex resumed>) = 0 [pid 27532] exit_group(0 [pid 27538] <... futex resumed>) = ? [pid 27532] <... exit_group resumed>) = ? [pid 27538] +++ exited with 0 +++ [pid 27537] +++ exited with 0 +++ [pid 27521] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27521, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27541] <... futex resumed>) = ? [pid 27539] <... openat resumed>) = 3 [pid 27539] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27543 [pid 27541] +++ exited with 0 +++ [pid 27532] +++ exited with 0 +++ [pid 27539] <... futex resumed>) = 1 [pid 27533] <... futex resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27544 [pid 27533] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27539] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27532, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27533] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27543 attached [pid 27543] set_robust_list(0x555555eba6a0, 24) = 0 [pid 27543] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27533] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 27539] <... write resumed>) = 9 [pid 27543] <... prctl resumed>) = 0 [pid 27543] setpgid(0, 0) = 0 [pid 27539] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... restart_syscall resumed>) = 0 [pid 27543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27539] <... futex resumed>) = 1 [pid 27533] <... futex resumed>) = 0 [pid 27543] <... openat resumed>) = 3 [pid 27533] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27539] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27543] write(3, "1000", 4) = 4 [pid 27543] close(3) = 0 [pid 27543] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 27545 attached [pid 27543] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27540] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27539] <... write resumed>) = 10 [pid 27533] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27545 [pid 27540] <... prctl resumed>) = 0 [pid 27539] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27533] <... futex resumed>) = 0 [pid 27545] set_robust_list(0x555555eba6a0, 24 [pid 27539] <... futex resumed>) = 0 [pid 27533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 27544 attached [pid 27542] set_robust_list(0x555555eba6a0, 24 [pid 27543] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27539] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27544] set_robust_list(0x555555eba6a0, 24 [pid 27533] <... mmap resumed>) = 0x7f026358b000 [pid 27543] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27533] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27542] <... set_robust_list resumed>) = 0 [pid 27543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27542] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27544] <... set_robust_list resumed>) = 0 [pid 27543] <... mmap resumed>) = 0x7f02635ac000 [pid 27533] <... mprotect resumed>) = 0 [pid 27533] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27540] setpgid(0, 0 [pid 27533] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27545] <... set_robust_list resumed>) = 0 [pid 27544] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27540] <... setpgid resumed>) = 0 [pid 27533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27543] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27542] <... prctl resumed>) = 0 [pid 27542] setpgid(0, 0 [pid 27544] <... prctl resumed>) = 0 [pid 27544] setpgid(0, 0 [pid 27543] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27542] <... setpgid resumed>) = 0 [pid 27544] <... setpgid resumed>) = 0 [pid 27533] <... clone3 resumed> => {parent_tid=[27546]}, 88) = 27546 [pid 27545] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27533] rt_sigprocmask(SIG_SETMASK, [], [pid 27544] <... openat resumed>) = 3 [pid 27543] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27542] <... openat resumed>) = 3 [pid 27533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27540] <... openat resumed>) = 3 [pid 27545] <... prctl resumed>) = 0 [pid 27544] write(3, "1000", 4 [pid 27543] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27542] write(3, "1000", 4 [pid 27533] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27540] write(3, "1000", 4 [pid 27533] <... futex resumed>) = 0 [pid 27533] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27540] <... write resumed>) = 4 [pid 27544] <... write resumed>) = 4 [pid 27542] <... write resumed>) = 4 [pid 27540] close(3 [pid 27544] close(3 [pid 27543] <... clone3 resumed> => {parent_tid=[27547]}, 88) = 27547 [pid 27542] close(3 [pid 27540] <... close resumed>) = 0 [pid 27544] <... close resumed>) = 0 [pid 27543] rt_sigprocmask(SIG_SETMASK, [], [pid 27542] <... close resumed>) = 0 [pid 27545] setpgid(0, 0 [pid 27544] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27542] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27540] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27544] <... futex resumed>) = 0 [pid 27543] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27542] <... futex resumed>) = 0 [pid 27540] <... futex resumed>) = 0 [pid 27545] <... setpgid resumed>) = 0 [pid 27544] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27543] <... futex resumed>) = 0 [pid 27542] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27540] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, ./strace-static-x86_64: Process 27546 attached [pid 27544] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27543] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27542] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27540] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27546] set_robust_list(0x7f02635ab9a0, 24 [pid 27544] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27542] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27546] <... set_robust_list resumed>) = 0 [pid 27544] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27540] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27546] rt_sigprocmask(SIG_SETMASK, [], [pid 27544] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27546] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27544] <... mmap resumed>) = 0x7f02635ac000 [pid 27542] <... mmap resumed>) = 0x7f02635ac000 [pid 27540] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 27547 attached [pid 27546] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27544] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27542] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27547] set_robust_list(0x7f02635cc9a0, 24 [pid 27546] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27544] <... mprotect resumed>) = 0 [pid 27542] <... mprotect resumed>) = 0 [pid 27540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27547] <... set_robust_list resumed>) = 0 [pid 27546] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27544] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27542] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27540] <... mmap resumed>) = 0x7f02635ac000 [pid 27547] rt_sigprocmask(SIG_SETMASK, [], [pid 27546] <... futex resumed>) = 1 [pid 27545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27544] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27542] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27540] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27533] <... futex resumed>) = 0 [pid 27547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27546] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27544] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27540] <... mprotect resumed>) = 0 [pid 27533] exit_group(0 [pid 27547] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27546] <... futex resumed>) = ? [pid 27539] <... futex resumed>) = ? [pid 27533] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 27549 attached [pid 27547] <... openat resumed>) = 3 [pid 27546] +++ exited with 0 +++ [pid 27545] <... openat resumed>) = 3 [pid 27544] <... clone3 resumed> => {parent_tid=[27548]}, 88) = 27548 [pid 27542] <... clone3 resumed> => {parent_tid=[27549]}, 88) = 27549 [pid 27540] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27539] +++ exited with 0 +++ [pid 27547] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27544] rt_sigprocmask(SIG_SETMASK, [], [pid 27542] rt_sigprocmask(SIG_SETMASK, [], [pid 27547] <... futex resumed>) = 1 [pid 27544] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27543] <... futex resumed>) = 0 [pid 27542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27547] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27544] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27543] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27542] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27544] <... futex resumed>) = 0 [pid 27543] <... futex resumed>) = 0 [pid 27542] <... futex resumed>) = 0 [pid 27547] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27544] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27543] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27542] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27540] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27533] +++ exited with 0 +++ [pid 27547] <... write resumed>) = 9 [pid 27540] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27533, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27547] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 27543] <... futex resumed>) = 0 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 27547] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27543] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27540] <... clone3 resumed> => {parent_tid=[27550]}, 88) = 27550 [pid 296] <... restart_syscall resumed>) = 0 [pid 27547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27543] <... futex resumed>) = 0 [pid 27547] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27543] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27540] rt_sigprocmask(SIG_SETMASK, [], [pid 27547] <... write resumed>) = 10 [pid 27543] <... futex resumed>) = 0 [pid 27540] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27547] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27540] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27547] <... futex resumed>) = 0 [pid 27543] <... mmap resumed>) = 0x7f026358b000 [pid 27540] <... futex resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27548 attached [pid 27547] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27543] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27540] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27548] set_robust_list(0x7f02635cc9a0, 24 [pid 27543] <... mprotect resumed>) = 0 [pid 27548] <... set_robust_list resumed>) = 0 [pid 27543] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27548] rt_sigprocmask(SIG_SETMASK, [], [pid 27545] write(3, "1000", 4 [pid 27543] <... rt_sigprocmask resumed>[], 8) = 0 [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27551 [pid 27548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27543] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0}./strace-static-x86_64: Process 27550 attached [pid 27549] set_robust_list(0x7f02635cc9a0, 24 [pid 27548] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27545] <... write resumed>) = 4 [pid 27548] <... openat resumed>) = 3 [pid 27543] <... clone3 resumed> => {parent_tid=[27552]}, 88) = 27552 [pid 27548] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27543] rt_sigprocmask(SIG_SETMASK, [], [pid 27548] <... futex resumed>) = 1 [pid 27544] <... futex resumed>) = 0 [pid 27543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27548] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27544] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27543] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27548] <... write resumed>) = 9 [pid 27544] <... futex resumed>) = 0 [pid 27543] <... futex resumed>) = 0 [pid 27548] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27544] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27543] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27548] <... futex resumed>) = 0 [pid 27544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27548] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27544] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27548] <... write resumed>) = 10 [pid 27545] close(3 [pid 27544] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27551 attached [pid 27549] <... set_robust_list resumed>) = 0 [pid 27548] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27545] <... close resumed>) = 0 [pid 27544] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27551] set_robust_list(0x555555eba6a0, 24 [pid 27548] <... futex resumed>) = 0 [pid 27544] <... futex resumed>) = 0 [pid 27545] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27551] <... set_robust_list resumed>) = 0 [pid 27548] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27544] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27551] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27550] set_robust_list(0x7f02635cc9a0, 24 [pid 27549] rt_sigprocmask(SIG_SETMASK, [], [pid 27545] <... futex resumed>) = 0 [pid 27544] <... mmap resumed>) = 0x7f026358b000 [pid 27551] <... prctl resumed>) = 0 [pid 27544] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27551] setpgid(0, 0 [pid 27545] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27544] <... mprotect resumed>) = 0 [pid 27551] <... setpgid resumed>) = 0 [pid 27545] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27544] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27550] <... set_robust_list resumed>) = 0 [pid 27549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27545] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27544] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27551] <... openat resumed>) = 3 [pid 27545] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27544] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0}./strace-static-x86_64: Process 27552 attached [pid 27551] write(3, "1000", 4 [pid 27545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27552] set_robust_list(0x7f02635ab9a0, 24 [pid 27551] <... write resumed>) = 4 [pid 27544] <... clone3 resumed> => {parent_tid=[27553]}, 88) = 27553 [pid 27552] <... set_robust_list resumed>) = 0 [pid 27551] close(3 [pid 27545] <... mmap resumed>) = 0x7f02635ac000 [pid 27544] rt_sigprocmask(SIG_SETMASK, [], [pid 27552] rt_sigprocmask(SIG_SETMASK, [], [pid 27551] <... close resumed>) = 0 [pid 27545] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27544] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27551] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27549] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27545] <... mprotect resumed>) = 0 [pid 27544] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27552] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27551] <... futex resumed>) = 0 [pid 27544] <... futex resumed>) = 0 [pid 27552] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27551] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27545] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27544] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27552] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27551] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27549] <... openat resumed>) = 3 [pid 27545] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27545] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27549] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27552] <... futex resumed>) = 1 [pid 27551] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27543] <... futex resumed>) = 0 [pid 27552] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27543] exit_group(0 [pid 27549] <... futex resumed>) = 1 [pid 27542] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27553 attached [pid 27552] <... futex resumed>) = ? [pid 27551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27550] rt_sigprocmask(SIG_SETMASK, [], [pid 27549] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27547] <... futex resumed>) = ? [pid 27545] <... clone3 resumed> => {parent_tid=[27554]}, 88) = 27554 [pid 27543] <... exit_group resumed>) = ? [pid 27542] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27553] set_robust_list(0x7f02635ab9a0, 24 [pid 27552] +++ exited with 0 +++ [pid 27551] <... mmap resumed>) = 0x7f02635ac000 [pid 27550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27549] <... write resumed>) = 9 [pid 27547] +++ exited with 0 +++ [pid 27545] rt_sigprocmask(SIG_SETMASK, [], [pid 27543] +++ exited with 0 +++ [pid 27542] <... futex resumed>) = 0 [pid 27551] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27549] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27545] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27542] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27543, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27551] <... mprotect resumed>) = 0 [pid 27549] <... futex resumed>) = 0 [pid 27545] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 27551] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27550] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27549] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27545] <... futex resumed>) = 0 [pid 27542] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27554 attached [pid 27551] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27545] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27542] <... futex resumed>) = 0 [pid 294] <... restart_syscall resumed>) = 0 [pid 27550] <... openat resumed>) = 3 [pid 27554] set_robust_list(0x7f02635cc9a0, 24 [pid 27551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27549] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27542] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27554] <... set_robust_list resumed>) = 0 [pid 27542] <... futex resumed>) = 0 [pid 27554] rt_sigprocmask(SIG_SETMASK, [], [pid 27551] <... clone3 resumed> => {parent_tid=[27555]}, 88) = 27555 [pid 27550] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27549] <... write resumed>) = 10 [pid 27542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27551] rt_sigprocmask(SIG_SETMASK, [], [pid 27550] <... futex resumed>) = 1 [pid 27549] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27542] <... mmap resumed>) = 0x7f026358b000 [pid 27540] <... futex resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27554] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27550] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27549] <... futex resumed>) = 0 [pid 27542] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27540] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27554] <... openat resumed>) = 3 [pid 27551] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27542] <... mprotect resumed>) = 0 [pid 27554] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27551] <... futex resumed>) = 0 [pid 27542] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27554] <... futex resumed>) = 1 [pid 27551] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27542] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27540] <... futex resumed>) = 0 [pid 27554] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27549] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27545] <... futex resumed>) = 0 [pid 27542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27540] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27556 [pid 27554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27550] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27545] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27554] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27550] <... write resumed>) = 9 [pid 27545] <... futex resumed>) = 0 [pid 27542] <... clone3 resumed> => {parent_tid=[27557]}, 88) = 27557 [pid 27553] <... set_robust_list resumed>) = 0 [pid 27554] <... write resumed>) = 9 [pid 27550] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27545] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27542] rt_sigprocmask(SIG_SETMASK, [], [pid 27554] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27550] <... futex resumed>) = 1 [pid 27545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27540] <... futex resumed>) = 0 [pid 27554] <... futex resumed>) = 0 [pid 27550] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27545] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27542] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27540] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27554] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27545] <... futex resumed>) = 0 [pid 27542] <... futex resumed>) = 0 [pid 27540] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27556 attached [pid 27554] <... write resumed>) = 10 [pid 27550] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27545] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27542] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27540] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27556] set_robust_list(0x555555eba6a0, 24 [pid 27554] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27550] <... write resumed>) = 10 [pid 27545] <... futex resumed>) = 0 [pid 27540] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27555 attached [pid 27556] <... set_robust_list resumed>) = 0 [pid 27554] <... futex resumed>) = 0 [pid 27553] rt_sigprocmask(SIG_SETMASK, [], [pid 27540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27556] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27555] set_robust_list(0x7f02635cc9a0, 24 [pid 27554] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27550] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27540] <... mmap resumed>) = 0x7f026358b000 [pid 27553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27556] <... prctl resumed>) = 0 [pid 27555] <... set_robust_list resumed>) = 0 [pid 27550] <... futex resumed>) = 0 [pid 27545] <... mmap resumed>) = 0x7f026358b000 [pid 27540] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27556] setpgid(0, 0 [pid 27555] rt_sigprocmask(SIG_SETMASK, [], [pid 27550] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27545] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27540] <... mprotect resumed>) = 0 [pid 27553] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10./strace-static-x86_64: Process 27557 attached [pid 27556] <... setpgid resumed>) = 0 [pid 27555] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27553] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27545] <... mprotect resumed>) = 0 [pid 27540] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27557] set_robust_list(0x7f02635ab9a0, 24 [pid 27556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27555] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27553] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27545] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27540] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27557] <... set_robust_list resumed>) = 0 [pid 27556] <... openat resumed>) = 3 [pid 27555] <... openat resumed>) = 3 [pid 27553] <... futex resumed>) = 1 [pid 27545] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27544] <... futex resumed>) = 0 [pid 27557] rt_sigprocmask(SIG_SETMASK, [], [pid 27556] write(3, "1000", 4 [pid 27555] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27553] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27545] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27544] exit_group(0 [pid 27540] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27556] <... write resumed>) = 4 [pid 27555] <... futex resumed>) = 1 [pid 27553] <... futex resumed>) = ? [pid 27551] <... futex resumed>) = 0 [pid 27548] <... futex resumed>) = ? [pid 27544] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 27559 attached ./strace-static-x86_64: Process 27558 attached [pid 27557] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27556] close(3 [pid 27555] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27553] +++ exited with 0 +++ [pid 27551] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27548] +++ exited with 0 +++ [pid 27545] <... clone3 resumed> => {parent_tid=[27558]}, 88) = 27558 [pid 27544] +++ exited with 0 +++ [pid 27540] <... clone3 resumed> => {parent_tid=[27559]}, 88) = 27559 [pid 27559] set_robust_list(0x7f02635ab9a0, 24 [pid 27558] set_robust_list(0x7f02635ab9a0, 24 [pid 27557] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27556] <... close resumed>) = 0 [pid 27555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27551] <... futex resumed>) = 0 [pid 27545] rt_sigprocmask(SIG_SETMASK, [], [pid 27540] rt_sigprocmask(SIG_SETMASK, [], [pid 27557] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27556] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27555] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27551] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27545] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27540] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27544, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27557] <... futex resumed>) = 1 [pid 27556] <... futex resumed>) = 0 [pid 27555] <... write resumed>) = 9 [pid 27545] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27542] <... futex resumed>) = 0 [pid 27540] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 27557] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27556] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27555] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27545] <... futex resumed>) = 0 [pid 27542] exit_group(0 [pid 27540] <... futex resumed>) = 0 [pid 27557] <... futex resumed>) = ? [pid 27556] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27555] <... futex resumed>) = 1 [pid 27551] <... futex resumed>) = 0 [pid 27549] <... futex resumed>) = ? [pid 27545] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27542] <... exit_group resumed>) = ? [pid 27540] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] <... restart_syscall resumed>) = 0 [pid 27559] <... set_robust_list resumed>) = 0 [pid 27558] <... set_robust_list resumed>) = 0 [pid 27557] +++ exited with 0 +++ [pid 27556] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27555] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27551] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27549] +++ exited with 0 +++ [pid 27542] +++ exited with 0 +++ [pid 27556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27551] <... futex resumed>) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27542, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27555] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27551] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27556] <... mmap resumed>) = 0x7f02635ac000 [pid 27555] <... write resumed>) = 10 [pid 27551] <... futex resumed>) = 0 [pid 27556] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27555] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27556] <... mprotect resumed>) = 0 [pid 27555] <... futex resumed>) = 0 [pid 27551] <... mmap resumed>) = 0x7f026358b000 [pid 27558] rt_sigprocmask(SIG_SETMASK, [], [pid 27556] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27555] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27551] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27561 [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27560 [pid 27556] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27551] <... mprotect resumed>) = 0 [pid 27558] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27558] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27556] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27551] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27558] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27551] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27559] rt_sigprocmask(SIG_SETMASK, [], [pid 27558] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27556] <... clone3 resumed> => {parent_tid=[27562]}, 88) = 27562 [pid 27551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0}./strace-static-x86_64: Process 27560 attached [pid 27558] <... futex resumed>) = 1 [pid 27556] rt_sigprocmask(SIG_SETMASK, [], [pid 27545] <... futex resumed>) = 0 [pid 27556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27551] <... clone3 resumed> => {parent_tid=[27563]}, 88) = 27563 [pid 27556] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27551] rt_sigprocmask(SIG_SETMASK, [], [pid 27556] <... futex resumed>) = 0 [pid 27551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27556] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27551] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27551] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27545] exit_group(0 [pid 27554] <... futex resumed>) = ? [pid 27545] <... exit_group resumed>) = ? [pid 27559] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27560] set_robust_list(0x555555eba6a0, 24 [pid 27558] +++ exited with 0 +++ [pid 27554] +++ exited with 0 +++ ./strace-static-x86_64: Process 27562 attached [pid 27562] set_robust_list(0x7f02635cc9a0, 24) = 0 [pid 27562] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27562] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW) = 3 [pid 27545] +++ exited with 0 +++ [pid 27559] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27545, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 27562] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27561 attached [pid 27560] <... set_robust_list resumed>) = 0 [pid 27559] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27556] <... futex resumed>) = 0 [pid 27556] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27556] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... restart_syscall resumed>) = 0 [pid 27559] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27564 attached ./strace-static-x86_64: Process 27563 attached [pid 27561] set_robust_list(0x555555eba6a0, 24 [pid 27560] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27559] <... futex resumed>) = 1 [pid 27540] <... futex resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27564 [pid 27559] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27540] exit_group(0) = ? [pid 27550] <... futex resumed>) = ? [pid 27559] <... futex resumed>) = ? [pid 27562] <... futex resumed>) = 1 [pid 27562] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9) = 9 [pid 27562] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 27556] <... futex resumed>) = 0 [pid 27562] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27556] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27562] <... write resumed>) = 10 [pid 27556] <... futex resumed>) = 0 [pid 27562] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27556] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27562] <... futex resumed>) = 0 [pid 27556] <... futex resumed>) = 0 [pid 27562] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f026358b000 [pid 27556] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27550] +++ exited with 0 +++ [pid 27559] +++ exited with 0 +++ [pid 27556] <... mprotect resumed>) = 0 [pid 27556] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27556] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27540] +++ exited with 0 +++ [pid 27556] <... clone3 resumed> => {parent_tid=[27565]}, 88) = 27565 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27540, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27556] rt_sigprocmask(SIG_SETMASK, [], [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 27556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 27556] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27556] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27565 attached [pid 27564] set_robust_list(0x555555eba6a0, 24 [pid 27563] set_robust_list(0x7f02635ab9a0, 24 [pid 27561] <... set_robust_list resumed>) = 0 [pid 27560] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 27566 attached [pid 27565] set_robust_list(0x7f02635ab9a0, 24 [pid 27566] set_robust_list(0x555555eba6a0, 24 [pid 27563] <... set_robust_list resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27566 [pid 27566] <... set_robust_list resumed>) = 0 [pid 27566] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27563] rt_sigprocmask(SIG_SETMASK, [], [pid 27561] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27560] setpgid(0, 0 [pid 27566] <... prctl resumed>) = 0 [pid 27566] setpgid(0, 0) = 0 [pid 27566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27563] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27561] <... prctl resumed>) = 0 [pid 27560] <... setpgid resumed>) = 0 [pid 27566] <... openat resumed>) = 3 [pid 27563] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27566] write(3, "1000", 4 [pid 27563] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27566] <... write resumed>) = 4 [pid 27560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27563] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27561] setpgid(0, 0 [pid 27566] close(3) = 0 [pid 27566] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27563] <... futex resumed>) = 1 [pid 27551] <... futex resumed>) = 0 [pid 27566] <... futex resumed>) = 0 [pid 27563] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27561] <... setpgid resumed>) = 0 [pid 27560] <... openat resumed>) = 3 [pid 27564] <... set_robust_list resumed>) = 0 [pid 27551] exit_group(0 [pid 27565] <... set_robust_list resumed>) = 0 [pid 27555] <... futex resumed>) = ? [pid 27551] <... exit_group resumed>) = ? [pid 27563] <... futex resumed>) = ? [pid 27561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27560] write(3, "1000", 4 [pid 27555] +++ exited with 0 +++ [pid 27566] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, NULL, 8) = 0 [pid 27566] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 27566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f02635ac000 [pid 27566] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27566] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27563] +++ exited with 0 +++ [pid 27560] <... write resumed>) = 4 [pid 27551] +++ exited with 0 +++ [pid 27566] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27561] <... openat resumed>) = 3 [pid 27566] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} => {parent_tid=[27567]}, 88) = 27567 [pid 27566] rt_sigprocmask(SIG_SETMASK, [], [pid 27560] close(3 [pid 27561] write(3, "1000", 4 [pid 27566] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27560] <... close resumed>) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27551, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27561] <... write resumed>) = 4 [pid 27560] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27561] close(3 [pid 27560] <... futex resumed>) = 0 [pid 27566] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27566] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27567 attached [pid 27567] set_robust_list(0x7f02635cc9a0, 24) = 0 [pid 27567] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27561] <... close resumed>) = 0 [pid 27560] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, NULL, 8) = 0 [pid 27561] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27560] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27568 [pid 27561] <... futex resumed>) = 0 [pid 27560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27561] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27561] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27560] <... mmap resumed>) = 0x7f02635ac000 [pid 27561] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27560] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27564] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27560] <... mprotect resumed>) = 0 [pid 27561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27567] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27560] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27564] <... prctl resumed>) = 0 [pid 27561] <... mmap resumed>) = 0x7f02635ac000 [pid 27560] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27561] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27564] setpgid(0, 0 [pid 27560] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27564] <... setpgid resumed>) = 0 [pid 27561] <... mprotect resumed>) = 0 [pid 27561] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27567] <... openat resumed>) = 3 [pid 27561] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27561] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27560] <... clone3 resumed> => {parent_tid=[27569]}, 88) = 27569 [pid 27567] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27560] rt_sigprocmask(SIG_SETMASK, [], [pid 27561] <... clone3 resumed> => {parent_tid=[27570]}, 88) = 27570 [pid 27560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27561] rt_sigprocmask(SIG_SETMASK, [], [pid 27560] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27560] <... futex resumed>) = 0 [pid 27564] <... openat resumed>) = 3 [pid 27561] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27564] write(3, "1000", 4 [pid 27560] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27561] <... futex resumed>) = 0 [pid 27561] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27564] <... write resumed>) = 4 [pid 27566] <... futex resumed>) = 0 [pid 27566] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27566] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27567] <... futex resumed>) = 1 [pid 27567] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9) = 9 [pid 27567] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27566] <... futex resumed>) = 0 [pid 27566] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27564] close(3./strace-static-x86_64: Process 27570 attached [pid 27566] <... futex resumed>) = 0 [pid 27565] rt_sigprocmask(SIG_SETMASK, [], [pid 27566] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27567] <... futex resumed>) = 1 [pid 27566] <... mmap resumed>) = 0x7f026358b000 [pid 27567] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27566] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27567] <... write resumed>) = 10 [pid 27566] <... mprotect resumed>) = 0 [pid 27567] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27566] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27567] <... futex resumed>) = 0 [pid 27566] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27567] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27566] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} => {parent_tid=[27571]}, 88) = 27571 [pid 27566] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27566] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27566] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27568 attached [pid 27565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27564] <... close resumed>) = 0 [pid 27570] set_robust_list(0x7f02635cc9a0, 24 [pid 27568] set_robust_list(0x555555eba6a0, 24) = 0 [pid 27564] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27568] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27564] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27565] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27564] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27568] <... prctl resumed>) = 0 [pid 27564] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27568] setpgid(0, 0 [pid 27564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27565] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27570] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 27569 attached [pid 27568] <... setpgid resumed>) = 0 [pid 27564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27569] set_robust_list(0x7f02635cc9a0, 24 [pid 27568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27564] <... mmap resumed>) = 0x7f02635ac000 [pid 27569] <... set_robust_list resumed>) = 0 [pid 27568] <... openat resumed>) = 3 [pid 27564] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27569] rt_sigprocmask(SIG_SETMASK, [], [pid 27568] write(3, "1000", 4 [pid 27564] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 27571 attached [pid 27569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27568] <... write resumed>) = 4 [pid 27571] set_robust_list(0x7f02635ab9a0, 24 [pid 27569] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27571] <... set_robust_list resumed>) = 0 [pid 27569] <... openat resumed>) = 3 [pid 27568] close(3 [pid 27565] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27564] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27571] rt_sigprocmask(SIG_SETMASK, [], [pid 27569] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27568] <... close resumed>) = 0 [pid 27565] <... futex resumed>) = 1 [pid 27564] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27556] <... futex resumed>) = 0 [pid 27571] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27569] <... futex resumed>) = 1 [pid 27568] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27565] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27564] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27560] <... futex resumed>) = 0 [pid 27556] exit_group(0 [pid 27571] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27569] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27568] <... futex resumed>) = 0 [pid 27562] <... futex resumed>) = ? [pid 27556] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 27572 attached [pid 27571] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27568] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27565] <... futex resumed>) = ? [pid 27562] +++ exited with 0 +++ [pid 27570] rt_sigprocmask(SIG_SETMASK, [], [pid 27560] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27571] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27569] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27568] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27564] <... clone3 resumed> => {parent_tid=[27572]}, 88) = 27572 [pid 27560] <... futex resumed>) = 0 [pid 27571] <... futex resumed>) = 1 [pid 27569] <... write resumed>) = 9 [pid 27568] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27566] <... futex resumed>) = 0 [pid 27564] rt_sigprocmask(SIG_SETMASK, [], [pid 27560] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27571] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27569] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27568] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27566] exit_group(0 [pid 27564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27571] <... futex resumed>) = ? [pid 27569] <... futex resumed>) = 0 [pid 27568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27567] <... futex resumed>) = ? [pid 27566] <... exit_group resumed>) = ? [pid 27565] +++ exited with 0 +++ [pid 27564] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27560] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27556] +++ exited with 0 +++ [pid 27572] set_robust_list(0x7f02635cc9a0, 24 [pid 27571] +++ exited with 0 +++ [pid 27570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27569] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27568] <... mmap resumed>) = 0x7f02635ac000 [pid 27567] +++ exited with 0 +++ [pid 27566] +++ exited with 0 +++ [pid 27564] <... futex resumed>) = 0 [pid 27560] <... futex resumed>) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27556, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27570] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27569] <... write resumed>) = 10 [pid 27568] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27564] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27560] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 27570] <... openat resumed>) = 3 [pid 27569] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27568] <... mprotect resumed>) = 0 [pid 27560] <... futex resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27566, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] <... restart_syscall resumed>) = 0 [pid 27572] <... set_robust_list resumed>) = 0 [pid 27570] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27569] <... futex resumed>) = 0 [pid 27568] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 27570] <... futex resumed>) = 1 [pid 27569] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27568] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27561] <... futex resumed>) = 0 [pid 27560] <... mmap resumed>) = 0x7f026358b000 [pid 27568] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27561] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27560] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 297] <... restart_syscall resumed>) = 0 [pid 27570] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27561] <... futex resumed>) = 0 [pid 27570] <... write resumed>) = 9 [pid 27568] <... clone3 resumed> => {parent_tid=[27573]}, 88) = 27573 [pid 27561] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27560] <... mprotect resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27570] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27568] rt_sigprocmask(SIG_SETMASK, [], [pid 27560] rt_sigprocmask(SIG_BLOCK, ~[], [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27570] <... futex resumed>) = 1 [pid 27568] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27561] <... futex resumed>) = 0 [pid 27560] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27570] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27568] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27561] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27575 ./strace-static-x86_64: Process 27575 attached ./strace-static-x86_64: Process 27574 attached ./strace-static-x86_64: Process 27573 attached [pid 27572] rt_sigprocmask(SIG_SETMASK, [], [pid 27570] <... write resumed>) = 10 [pid 27568] <... futex resumed>) = 0 [pid 27561] <... futex resumed>) = 0 [pid 27560] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27574 [pid 27570] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27568] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27561] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27570] <... futex resumed>) = 0 [pid 27561] <... futex resumed>) = 0 [pid 27570] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27560] <... clone3 resumed> => {parent_tid=[27576]}, 88) = 27576 [pid 27561] <... mmap resumed>) = 0x7f026358b000 [pid 27560] rt_sigprocmask(SIG_SETMASK, [], [pid 27561] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27574] set_robust_list(0x555555eba6a0, 24 [pid 27561] <... mprotect resumed>) = 0 [pid 27560] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27574] <... set_robust_list resumed>) = 0 [pid 27561] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27560] <... futex resumed>) = 0 [pid 27561] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27560] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27561] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27574] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 27574] setpgid(0, 0 [pid 27561] <... clone3 resumed> => {parent_tid=[27577]}, 88) = 27577 [pid 27574] <... setpgid resumed>) = 0 [pid 27561] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 27576 attached [pid 27574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27561] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 27577 attached [pid 27576] set_robust_list(0x7f02635ab9a0, 24 [pid 27575] set_robust_list(0x555555eba6a0, 24 [pid 27574] <... openat resumed>) = 3 [pid 27573] set_robust_list(0x7f02635cc9a0, 24 [pid 27572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27561] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27574] write(3, "1000", 4 [pid 27561] <... futex resumed>) = 0 [pid 27574] <... write resumed>) = 4 [pid 27561] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27574] close(3) = 0 [pid 27574] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27574] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, NULL, 8) = 0 [pid 27574] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 27574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f02635ac000 [pid 27574] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27576] <... set_robust_list resumed>) = 0 [pid 27574] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27575] <... set_robust_list resumed>) = 0 [pid 27577] set_robust_list(0x7f02635ab9a0, 24 [pid 27576] rt_sigprocmask(SIG_SETMASK, [], [pid 27574] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27573] <... set_robust_list resumed>) = 0 [pid 27574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27576] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27575] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27576] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27575] <... prctl resumed>) = 0 [pid 27574] <... clone3 resumed> => {parent_tid=[27578]}, 88) = 27578 [pid 27574] rt_sigprocmask(SIG_SETMASK, [], [pid 27576] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27575] setpgid(0, 0 [pid 27574] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27574] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27574] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27578 attached [pid 27578] set_robust_list(0x7f02635cc9a0, 24) = 0 [pid 27578] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27578] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27576] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27575] <... setpgid resumed>) = 0 [pid 27573] rt_sigprocmask(SIG_SETMASK, [], [pid 27577] <... set_robust_list resumed>) = 0 [pid 27572] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27576] <... futex resumed>) = 1 [pid 27560] <... futex resumed>) = 0 [pid 27560] exit_group(0 [pid 27575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27573] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27577] rt_sigprocmask(SIG_SETMASK, [], [pid 27576] +++ exited with 0 +++ [pid 27569] <... futex resumed>) = ? [pid 27560] <... exit_group resumed>) = ? [pid 27575] <... openat resumed>) = 3 [pid 27573] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27569] +++ exited with 0 +++ [pid 27578] <... openat resumed>) = 3 [pid 27578] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27574] <... futex resumed>) = 0 [pid 27574] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27574] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27578] <... futex resumed>) = 1 [pid 27560] +++ exited with 0 +++ [pid 27575] write(3, "1000", 4 [pid 27577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27560, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27575] <... write resumed>) = 4 [pid 27577] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27573] <... openat resumed>) = 3 [pid 27572] <... openat resumed>) = 3 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 27577] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27575] close(3 [pid 27573] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27572] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... restart_syscall resumed>) = 0 [pid 27575] <... close resumed>) = 0 [pid 27577] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27573] <... futex resumed>) = 1 [pid 27568] <... futex resumed>) = 0 [pid 27564] <... futex resumed>) = 0 [pid 27572] <... futex resumed>) = 1 [pid 27577] <... futex resumed>) = 1 [pid 27575] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27573] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27572] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27568] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27564] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27561] <... futex resumed>) = 0 [pid 27577] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27575] <... futex resumed>) = 0 [pid 27573] <... write resumed>) = 9 [pid 27572] <... write resumed>) = 9 [pid 27568] <... futex resumed>) = 0 [pid 27564] <... futex resumed>) = 0 [pid 27561] exit_group(0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27578] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27577] <... futex resumed>) = ? [pid 27575] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27573] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27572] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27570] <... futex resumed>) = ? [pid 27568] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27564] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27561] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 27579 attached [pid 27578] <... write resumed>) = 9 [pid 27577] +++ exited with 0 +++ [pid 27575] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27573] <... futex resumed>) = 0 [pid 27572] <... futex resumed>) = 0 [pid 27570] +++ exited with 0 +++ [pid 27568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27568] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27579 [pid 27579] set_robust_list(0x555555eba6a0, 24 [pid 27568] <... futex resumed>) = 0 [pid 27579] <... set_robust_list resumed>) = 0 [pid 27568] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27579] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27578] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27568] <... futex resumed>) = 0 [pid 27561] +++ exited with 0 +++ [pid 27579] <... prctl resumed>) = 0 [pid 27578] <... futex resumed>) = 1 [pid 27575] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27574] <... futex resumed>) = 0 [pid 27573] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27572] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27564] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27579] setpgid(0, 0 [pid 27578] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27575] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27574] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27573] <... write resumed>) = 10 [pid 27572] <... write resumed>) = 10 [pid 27568] <... mmap resumed>) = 0x7f026358b000 [pid 27564] <... futex resumed>) = 0 [pid 27579] <... setpgid resumed>) = 0 [pid 27578] <... write resumed>) = 10 [pid 27575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27574] <... futex resumed>) = 0 [pid 27573] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27572] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27568] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27564] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27561, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27578] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27575] <... mmap resumed>) = 0x7f02635ac000 [pid 27574] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27573] <... futex resumed>) = 0 [pid 27572] <... futex resumed>) = 0 [pid 27568] <... mprotect resumed>) = 0 [pid 27564] <... futex resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27579] <... openat resumed>) = 3 [pid 27578] <... futex resumed>) = 0 [pid 27575] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27574] <... futex resumed>) = 0 [pid 27573] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27572] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27568] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 27580 attached [pid 27579] write(3, "1000", 4 [pid 27578] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27575] <... mprotect resumed>) = 0 [pid 27574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27568] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27564] <... mmap resumed>) = 0x7f026358b000 [pid 27579] <... write resumed>) = 4 [pid 27575] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27574] <... mmap resumed>) = 0x7f026358b000 [pid 27568] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27564] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27580 [pid 27580] set_robust_list(0x555555eba6a0, 24 [pid 27579] close(3 [pid 27575] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27574] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27580] <... set_robust_list resumed>) = 0 [pid 27579] <... close resumed>) = 0 [pid 27575] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27574] <... mprotect resumed>) = 0 [pid 27568] <... clone3 resumed> => {parent_tid=[27581]}, 88) = 27581 [pid 27564] <... mprotect resumed>) = 0 [pid 27580] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27579] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27574] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27568] rt_sigprocmask(SIG_SETMASK, [], [pid 27564] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27580] <... prctl resumed>) = 0 [pid 27579] <... futex resumed>) = 0 [pid 27575] <... clone3 resumed> => {parent_tid=[27582]}, 88) = 27582 [pid 27574] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27568] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27564] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27580] setpgid(0, 0 [pid 27579] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27575] rt_sigprocmask(SIG_SETMASK, [], [pid 27574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27568] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27564] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27580] <... setpgid resumed>) = 0 [pid 27579] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27575] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27568] <... futex resumed>) = 0 [pid 27579] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27575] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27574] <... clone3 resumed> => {parent_tid=[27583]}, 88) = 27583 [pid 27568] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27575] <... futex resumed>) = 0 [pid 27574] rt_sigprocmask(SIG_SETMASK, [], [pid 27564] <... clone3 resumed> => {parent_tid=[27584]}, 88) = 27584 [pid 27579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27575] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27574] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27564] rt_sigprocmask(SIG_SETMASK, [], [pid 27580] <... openat resumed>) = 3 [pid 27579] <... mmap resumed>) = 0x7f02635ac000 [pid 27574] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27579] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27574] <... futex resumed>) = 0 [pid 27564] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27580] write(3, "1000", 4 [pid 27579] <... mprotect resumed>) = 0 [pid 27574] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27564] <... futex resumed>) = 0 [pid 27580] <... write resumed>) = 4 [pid 27579] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27564] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27580] close(3./strace-static-x86_64: Process 27581 attached [pid 27579] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27579] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0}./strace-static-x86_64: Process 27584 attached ./strace-static-x86_64: Process 27585 attached ./strace-static-x86_64: Process 27583 attached ./strace-static-x86_64: Process 27582 attached [pid 27581] set_robust_list(0x7f02635ab9a0, 24 [pid 27580] <... close resumed>) = 0 [pid 27579] <... clone3 resumed> => {parent_tid=[27585]}, 88) = 27585 [pid 27579] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27579] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27579] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27580] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27581] <... set_robust_list resumed>) = 0 [pid 27582] set_robust_list(0x7f02635cc9a0, 24 [pid 27584] set_robust_list(0x7f02635ab9a0, 24 [pid 27583] set_robust_list(0x7f02635ab9a0, 24 [pid 27585] set_robust_list(0x7f02635cc9a0, 24) = 0 [pid 27585] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27585] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW) = 3 [pid 27584] <... set_robust_list resumed>) = 0 [pid 27583] <... set_robust_list resumed>) = 0 [pid 27582] <... set_robust_list resumed>) = 0 [pid 27581] rt_sigprocmask(SIG_SETMASK, [], [pid 27580] <... futex resumed>) = 0 [pid 27585] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 27579] <... futex resumed>) = 0 [pid 27585] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27579] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27585] <... write resumed>) = 9 [pid 27579] <... futex resumed>) = 0 [pid 27580] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27581] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27585] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27582] rt_sigprocmask(SIG_SETMASK, [], [pid 27580] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27579] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27585] <... futex resumed>) = 0 [pid 27579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27585] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27579] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27585] <... write resumed>) = 10 [pid 27579] <... futex resumed>) = 0 [pid 27585] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27579] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27585] <... futex resumed>) = 0 [pid 27579] <... futex resumed>) = 0 [pid 27585] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f026358b000 [pid 27581] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27580] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27579] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27584] rt_sigprocmask(SIG_SETMASK, [], [pid 27583] rt_sigprocmask(SIG_SETMASK, [], [pid 27582] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27581] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27579] <... mprotect resumed>) = 0 [pid 27584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27583] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27579] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27584] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27583] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27582] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27581] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27579] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27584] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27583] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27579] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27584] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27583] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27581] <... futex resumed>) = 1 [pid 27582] <... openat resumed>) = 3 [pid 27580] <... mmap resumed>) = 0x7f02635ac000 [pid 27568] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27586 attached [pid 27584] <... futex resumed>) = 1 [pid 27583] <... futex resumed>) = 1 [pid 27582] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27581] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27580] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27579] <... clone3 resumed> => {parent_tid=[27586]}, 88) = 27586 [pid 27574] <... futex resumed>) = 0 [pid 27568] exit_group(0 [pid 27564] <... futex resumed>) = 0 [pid 27584] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27583] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27582] <... futex resumed>) = 1 [pid 27580] <... mprotect resumed>) = 0 [pid 27579] rt_sigprocmask(SIG_SETMASK, [], [pid 27575] <... futex resumed>) = 0 [pid 27574] exit_group(0 [pid 27573] <... futex resumed>) = ? [pid 27568] <... exit_group resumed>) = ? [pid 27586] set_robust_list(0x7f02635ab9a0, 24 [pid 27583] <... futex resumed>) = ? [pid 27582] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27581] <... futex resumed>) = ? [pid 27580] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27578] <... futex resumed>) = ? [pid 27575] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27574] <... exit_group resumed>) = ? [pid 27573] +++ exited with 0 +++ [pid 27564] exit_group(0 [pid 27583] +++ exited with 0 +++ [pid 27582] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27579] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27578] +++ exited with 0 +++ [pid 27574] +++ exited with 0 +++ [pid 27584] <... futex resumed>) = ? [pid 27582] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27581] +++ exited with 0 +++ [pid 27580] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27579] <... futex resumed>) = 0 [pid 27575] <... futex resumed>) = 0 [pid 27572] <... futex resumed>) = ? [pid 27568] +++ exited with 0 +++ [pid 27564] <... exit_group resumed>) = ? [pid 27584] +++ exited with 0 +++ [pid 27579] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27574, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27572] +++ exited with 0 +++ [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27587 [pid 27564] +++ exited with 0 +++ [pid 27582] <... write resumed>) = 9 [pid 27575] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27564, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 298] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 27587 attached [pid 27587] set_robust_list(0x555555eba6a0, 24 [pid 27582] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27568, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27587] <... set_robust_list resumed>) = 0 [pid 27582] <... futex resumed>) = 0 [pid 27580] <... clone3 resumed> => {parent_tid=[27588]}, 88) = 27588 [pid 27582] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27575] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 27582] <... write resumed>) = 10 [pid 27580] rt_sigprocmask(SIG_SETMASK, [], [pid 27575] <... futex resumed>) = 0 [pid 27582] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27575] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... restart_syscall resumed>) = 0 [pid 27582] <... futex resumed>) = 0 [pid 27580] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27575] <... futex resumed>) = 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 27582] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27580] <... futex resumed>) = 0 [pid 27582] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27580] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27575] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27582] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27588 attached [pid 27587] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27586] <... set_robust_list resumed>) = 0 [pid 27582] <... futex resumed>) = 0 [pid 27575] exit_group(0 [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27589 ./strace-static-x86_64: Process 27589 attached [pid 27589] set_robust_list(0x555555eba6a0, 24) = 0 [pid 27589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 27589] setpgid(0, 0) = 0 [pid 27589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27575] <... exit_group resumed>) = ? [pid 27588] set_robust_list(0x7f02635cc9a0, 24 [pid 27587] <... prctl resumed>) = 0 [pid 27586] rt_sigprocmask(SIG_SETMASK, [], [pid 27589] <... openat resumed>) = 3 [pid 27589] write(3, "1000", 4) = 4 [pid 27589] close(3) = 0 [pid 27589] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27582] +++ exited with 0 +++ [pid 27575] +++ exited with 0 +++ [pid 27586] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27575, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27590 [pid 27589] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 27589] <... rt_sigaction resumed>NULL, 8) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 27589] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 27589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27590 attached [pid 27589] <... mmap resumed>) = 0x7f02635ac000 [pid 27588] <... set_robust_list resumed>) = 0 [pid 27587] setpgid(0, 0 [pid 27586] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10./strace-static-x86_64: Process 27591 attached [pid 27590] set_robust_list(0x555555eba6a0, 24 [pid 27589] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27591 [pid 27591] set_robust_list(0x555555eba6a0, 24 [pid 27590] <... set_robust_list resumed>) = 0 [pid 27589] <... mprotect resumed>) = 0 [pid 27591] <... set_robust_list resumed>) = 0 [pid 27590] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27589] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27588] rt_sigprocmask(SIG_SETMASK, [], [pid 27587] <... setpgid resumed>) = 0 [pid 27586] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27591] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27590] <... prctl resumed>) = 0 [pid 27589] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27591] <... prctl resumed>) = 0 [pid 27590] setpgid(0, 0 [pid 27589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27591] setpgid(0, 0 [pid 27590] <... setpgid resumed>) = 0 [pid 27586] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27592 attached [pid 27591] <... setpgid resumed>) = 0 [pid 27590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27589] <... clone3 resumed> => {parent_tid=[27592]}, 88) = 27592 [pid 27588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27586] <... futex resumed>) = 1 [pid 27579] <... futex resumed>) = 0 [pid 27591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27590] <... openat resumed>) = 3 [pid 27589] rt_sigprocmask(SIG_SETMASK, [], [pid 27588] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27587] <... openat resumed>) = 3 [pid 27586] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27579] exit_group(0 [pid 27592] set_robust_list(0x7f02635cc9a0, 24 [pid 27591] <... openat resumed>) = 3 [pid 27590] write(3, "1000", 4 [pid 27589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27588] <... openat resumed>) = 3 [pid 27587] write(3, "1000", 4 [pid 27586] <... futex resumed>) = ? [pid 27585] <... futex resumed>) = ? [pid 27579] <... exit_group resumed>) = ? [pid 27591] write(3, "1000", 4 [pid 27590] <... write resumed>) = 4 [pid 27589] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27585] +++ exited with 0 +++ [pid 27591] <... write resumed>) = 4 [pid 27590] close(3 [pid 27589] <... futex resumed>) = 0 [pid 27591] close(3 [pid 27590] <... close resumed>) = 0 [pid 27589] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27591] <... close resumed>) = 0 [pid 27590] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27591] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27590] <... futex resumed>) = 0 [pid 27591] <... futex resumed>) = 0 [pid 27591] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27590] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27591] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27590] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27591] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27590] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27586] +++ exited with 0 +++ [pid 27579] +++ exited with 0 +++ [pid 27591] <... mmap resumed>) = 0x7f02635ac000 [pid 27590] <... mmap resumed>) = 0x7f02635ac000 [pid 27588] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27587] <... write resumed>) = 4 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27579, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 27591] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27590] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27591] <... mprotect resumed>) = 0 [pid 27590] <... mprotect resumed>) = 0 [pid 27591] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27590] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27588] <... futex resumed>) = 1 [pid 27587] close(3 [pid 27580] <... futex resumed>) = 0 [pid 27592] <... set_robust_list resumed>) = 0 [pid 27591] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27590] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27590] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27580] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27588] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27591] <... clone3 resumed> => {parent_tid=[27593]}, 88) = 27593 [pid 27590] <... clone3 resumed> => {parent_tid=[27594]}, 88) = 27594 [pid 27587] <... close resumed>) = 0 [pid 27580] <... futex resumed>) = 0 [pid 27588] <... write resumed>) = 9 [pid 27591] rt_sigprocmask(SIG_SETMASK, [], [pid 27590] rt_sigprocmask(SIG_SETMASK, [], [pid 27588] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27587] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27580] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27594 attached [pid 27591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27588] <... futex resumed>) = 0 [pid 27587] <... futex resumed>) = 0 [pid 27580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27591] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27590] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27588] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27587] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27580] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27591] <... futex resumed>) = 0 [pid 27590] <... futex resumed>) = 0 [pid 27591] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27590] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27594] set_robust_list(0x7f02635cc9a0, 24 [pid 27580] <... futex resumed>) = 0 [pid 27588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27587] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27588] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27587] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27580] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27595 [pid 27588] <... write resumed>) = 10 [pid 27587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27580] <... futex resumed>) = 0 [pid 27588] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27588] <... futex resumed>) = 0 [pid 27587] <... mmap resumed>) = 0x7f02635ac000 [pid 27580] <... mmap resumed>) = 0x7f026358b000 [pid 27588] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27587] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27580] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27587] <... mprotect resumed>) = 0 [pid 27580] <... mprotect resumed>) = 0 [pid 27594] <... set_robust_list resumed>) = 0 [pid 27587] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27580] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27587] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27580] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27594] rt_sigprocmask(SIG_SETMASK, [], [pid 27580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27587] <... clone3 resumed> => {parent_tid=[27596]}, 88) = 27596 [pid 27594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27594] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27587] rt_sigprocmask(SIG_SETMASK, [], [pid 27580] <... clone3 resumed> => {parent_tid=[27597]}, 88) = 27597 [pid 27587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27587] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27580] rt_sigprocmask(SIG_SETMASK, [], [pid 27587] <... futex resumed>) = 0 [pid 27580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27594] <... openat resumed>) = 3 [pid 27587] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27580] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27594] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27580] <... futex resumed>) = 0 [pid 27594] <... futex resumed>) = 1 [pid 27590] <... futex resumed>) = 0 [pid 27580] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27594] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27590] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27594] <... write resumed>) = 9 [pid 27590] <... futex resumed>) = 0 [pid 27594] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27590] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27594] <... futex resumed>) = 0 [pid 27590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27594] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27590] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27594] <... write resumed>) = 10 [pid 27590] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27593 attached [pid 27594] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27590] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27594] <... futex resumed>) = 0 [pid 27593] set_robust_list(0x7f02635cc9a0, 24 [pid 27590] <... futex resumed>) = 0 [pid 27594] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27593] <... set_robust_list resumed>) = 0 [pid 27590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27593] rt_sigprocmask(SIG_SETMASK, [], [pid 27590] <... mmap resumed>) = 0x7f026358b000 [pid 27593] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27590] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 27595 attached ./strace-static-x86_64: Process 27597 attached [pid 27593] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27592] rt_sigprocmask(SIG_SETMASK, [], [pid 27590] <... mprotect resumed>) = 0 [pid 27593] <... openat resumed>) = 3 [pid 27590] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27593] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27590] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 27596 attached [pid 27593] <... futex resumed>) = 1 [pid 27591] <... futex resumed>) = 0 [pid 27590] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27596] set_robust_list(0x7f02635cc9a0, 24 [pid 27593] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27591] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27596] <... set_robust_list resumed>) = 0 [pid 27593] <... write resumed>) = 9 [pid 27591] <... futex resumed>) = 0 [pid 27590] <... clone3 resumed> => {parent_tid=[27598]}, 88) = 27598 [pid 27596] rt_sigprocmask(SIG_SETMASK, [], [pid 27593] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27591] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27590] rt_sigprocmask(SIG_SETMASK, [], [pid 27596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27593] <... futex resumed>) = 0 [pid 27592] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27596] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27593] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27591] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27590] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27592] <... openat resumed>) = 3 [pid 27596] <... openat resumed>) = 3 [pid 27593] <... write resumed>) = 10 [pid 27592] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27591] <... futex resumed>) = 0 [pid 27590] <... futex resumed>) = 0 [pid 27596] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27593] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27591] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27590] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27596] <... futex resumed>) = 1 [pid 27593] <... futex resumed>) = 0 [pid 27592] <... futex resumed>) = 1 [pid 27591] <... futex resumed>) = 0 [pid 27595] set_robust_list(0x555555eba6a0, 24 [pid 27589] <... futex resumed>) = 0 [pid 27587] <... futex resumed>) = 0 [pid 27597] set_robust_list(0x7f02635ab9a0, 24 [pid 27596] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27593] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27592] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27591] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27589] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27587] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27593] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27592] <... write resumed>) = 9 [pid 27589] <... futex resumed>) = 0 [pid 27587] <... futex resumed>) = 0 [pid 27596] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27593] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27589] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27587] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27592] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27596] <... write resumed>) = 9 [pid 27593] <... futex resumed>) = 1 [pid 27591] <... futex resumed>) = 0 [pid 27589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27592] <... futex resumed>) = 0 [pid 27596] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27593] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27591] exit_group(0 [pid 27589] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27598 attached [pid 27597] <... set_robust_list resumed>) = 0 [pid 27596] <... futex resumed>) = 1 [pid 27595] <... set_robust_list resumed>) = 0 [pid 27593] <... futex resumed>) = ? [pid 27592] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27591] <... exit_group resumed>) = ? [pid 27589] <... futex resumed>) = 0 [pid 27587] <... futex resumed>) = 0 [pid 27598] set_robust_list(0x7f02635ab9a0, 24 [pid 27597] rt_sigprocmask(SIG_SETMASK, [], [pid 27596] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27595] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27593] +++ exited with 0 +++ [pid 27592] <... write resumed>) = 10 [pid 27591] +++ exited with 0 +++ [pid 27589] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27587] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27597] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27595] <... prctl resumed>) = 0 [pid 27592] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27589] <... futex resumed>) = 0 [pid 27587] <... futex resumed>) = 0 [pid 27597] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27596] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27595] setpgid(0, 0 [pid 27592] <... futex resumed>) = 0 [pid 27589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27587] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27591, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27597] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27596] <... write resumed>) = 10 [pid 27595] <... setpgid resumed>) = 0 [pid 27592] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27589] <... mmap resumed>) = 0x7f026358b000 [pid 27587] <... futex resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27598] <... set_robust_list resumed>) = 0 [pid 27597] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27596] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27589] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 27599 attached [pid 27598] rt_sigprocmask(SIG_SETMASK, [], [pid 27597] <... futex resumed>) = 1 [pid 27596] <... futex resumed>) = 0 [pid 27589] <... mprotect resumed>) = 0 [pid 27587] <... mmap resumed>) = 0x7f026358b000 [pid 27580] <... futex resumed>) = 0 [pid 27599] set_robust_list(0x555555eba6a0, 24 [pid 27598] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27596] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27597] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27595] <... openat resumed>) = 3 [pid 27589] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27587] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27580] exit_group(0 [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27599 [pid 27599] <... set_robust_list resumed>) = 0 [pid 27598] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27595] write(3, "1000", 4 [pid 27589] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27587] <... mprotect resumed>) = 0 [pid 27580] <... exit_group resumed>) = ? [pid 27588] <... futex resumed>) = ? [pid 27597] <... futex resumed>) = ? [pid 27599] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27598] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27587] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27599] <... prctl resumed>) = 0 [pid 27598] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27588] +++ exited with 0 +++ [pid 27587] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27599] setpgid(0, 0 [pid 27598] <... futex resumed>) = 1 [pid 27590] <... futex resumed>) = 0 [pid 27595] <... write resumed>) = 4 [pid 27589] <... clone3 resumed> => {parent_tid=[27600]}, 88) = 27600 [pid 27587] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27599] <... setpgid resumed>) = 0 [pid 27598] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27597] +++ exited with 0 +++ [pid 27595] close(3 [pid 27590] exit_group(0 [pid 27589] rt_sigprocmask(SIG_SETMASK, [], [pid 27580] +++ exited with 0 +++ ./strace-static-x86_64: Process 27601 attached [pid 27599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27598] <... futex resumed>) = ? [pid 27595] <... close resumed>) = 0 [pid 27594] <... futex resumed>) = ? [pid 27590] <... exit_group resumed>) = ? [pid 27589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27587] <... clone3 resumed> => {parent_tid=[27601]}, 88) = 27601 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27580, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 27600 attached [pid 27601] set_robust_list(0x7f02635ab9a0, 24 [pid 27599] <... openat resumed>) = 3 [pid 27598] +++ exited with 0 +++ [pid 27595] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27594] +++ exited with 0 +++ [pid 27590] +++ exited with 0 +++ [pid 27589] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27587] rt_sigprocmask(SIG_SETMASK, [], [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 27599] write(3, "1000", 4 [pid 27589] <... futex resumed>) = 0 [pid 27587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27599] <... write resumed>) = 4 [pid 27589] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27587] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27599] close(3 [pid 27595] <... futex resumed>) = 0 [pid 27587] <... futex resumed>) = 0 [pid 299] <... restart_syscall resumed>) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27590, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27599] <... close resumed>) = 0 [pid 27587] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27599] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27599] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, NULL, 8) = 0 [pid 27599] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 27599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f02635ac000 [pid 27599] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27595] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27599] <... mprotect resumed>) = 0 [pid 27601] <... set_robust_list resumed>) = 0 [pid 27600] set_robust_list(0x7f02635ab9a0, 24 [pid 27599] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27595] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27599] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27595] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27599] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} => {parent_tid=[27602]}, 88) = 27602 [pid 27599] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27599] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27599] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27602 attached [pid 27602] set_robust_list(0x7f02635cc9a0, 24) = 0 [pid 27602] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27602] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27595] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27602] <... openat resumed>) = 3 [pid 27602] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27599] <... futex resumed>) = 0 [pid 27599] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27599] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27595] <... mmap resumed>) = 0x7f02635ac000 [pid 27602] <... futex resumed>) = 1 [pid 27595] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27603 [pid 27602] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27595] <... mprotect resumed>) = 0 [pid 27602] <... write resumed>) = 9 [pid 27602] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27599] <... futex resumed>) = 0 [pid 27595] rt_sigprocmask(SIG_BLOCK, ~[], [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27604 [pid 27599] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27595] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27599] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27599] <... futex resumed>) = 0 [pid 27599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27601] rt_sigprocmask(SIG_SETMASK, [], [pid 27599] <... mmap resumed>) = 0x7f026358b000 [pid 27595] <... clone3 resumed> => {parent_tid=[27605]}, 88) = 27605 [pid 27600] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 27604 attached [pid 27601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27599] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27595] rt_sigprocmask(SIG_SETMASK, [], [pid 27601] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27600] rt_sigprocmask(SIG_SETMASK, [], [pid 27599] <... mprotect resumed>) = 0 [pid 27601] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27599] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27600] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27595] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27599] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27599] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} => {parent_tid=[27606]}, 88) = 27606 [pid 27599] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27599] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27599] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27602] <... futex resumed>) = 1 [pid 27602] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10) = 10 [pid 27602] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27602] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27604] set_robust_list(0x555555eba6a0, 24 [pid 27601] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27600] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27595] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27601] <... futex resumed>) = 1 [pid 27595] <... futex resumed>) = 0 [pid 27587] <... futex resumed>) = 0 [pid 27601] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27595] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27587] exit_group(0 [pid 27601] <... futex resumed>) = ? [pid 27596] <... futex resumed>) = ? [pid 27587] <... exit_group resumed>) = ? [pid 27596] +++ exited with 0 +++ ./strace-static-x86_64: Process 27603 attached [pid 27603] set_robust_list(0x555555eba6a0, 24) = 0 [pid 27603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 27603] setpgid(0, 0) = 0 [pid 27603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 27605 attached [pid 27605] set_robust_list(0x7f02635cc9a0, 24 [pid 27601] +++ exited with 0 +++ [pid 27587] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27587, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27604] <... set_robust_list resumed>) = 0 [pid 27600] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27604] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27600] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27607 ./strace-static-x86_64: Process 27607 attached [pid 27604] <... prctl resumed>) = 0 [pid 27600] <... futex resumed>) = 1 [pid 27589] <... futex resumed>) = 0 [pid 27589] exit_group(0 [pid 27592] <... futex resumed>) = ? [pid 27589] <... exit_group resumed>) = ? [pid 27592] +++ exited with 0 +++ [pid 27605] <... set_robust_list resumed>) = 0 [pid 27605] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27605] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27603] <... openat resumed>) = 3 [pid 27605] <... openat resumed>) = 3 [pid 27605] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27595] <... futex resumed>) = 0 [pid 27595] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27605] <... futex resumed>) = 1 [pid 27595] <... futex resumed>) = 0 [pid 27605] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27603] write(3, "1000", 4 [pid 27595] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27605] <... write resumed>) = 9 [pid 27603] <... write resumed>) = 4 [pid 27605] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27603] close(3 [pid 27605] <... futex resumed>) = 1 [pid 27603] <... close resumed>) = 0 [pid 27600] +++ exited with 0 +++ [pid 27595] <... futex resumed>) = 0 [pid 27589] +++ exited with 0 +++ [pid 27605] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27603] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27595] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27589, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27605] <... write resumed>) = 10 [pid 27603] <... futex resumed>) = 0 [pid 27595] <... futex resumed>) = 0 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 27605] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27603] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27595] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27605] <... futex resumed>) = 0 [pid 27603] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27595] <... futex resumed>) = 0 [pid 27605] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27603] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 27603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27595] <... mmap resumed>) = 0x7f026358b000 [pid 27604] setpgid(0, 0 [pid 27603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27595] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 27606 attached [pid 27607] set_robust_list(0x555555eba6a0, 24 [pid 27604] <... setpgid resumed>) = 0 [pid 27603] <... mmap resumed>) = 0x7f02635ac000 [pid 27595] <... mprotect resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27603] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27595] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27607] <... set_robust_list resumed>) = 0 [pid 27606] set_robust_list(0x7f02635ab9a0, 24 [pid 27603] <... mprotect resumed>) = 0 [pid 27595] <... rt_sigprocmask resumed>[], 8) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27608 [pid 27603] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27604] <... openat resumed>) = 3 [pid 27603] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27604] write(3, "1000", 4 [pid 27603] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27595] <... clone3 resumed> => {parent_tid=[27609]}, 88) = 27609 ./strace-static-x86_64: Process 27609 attached [pid 27607] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27606] <... set_robust_list resumed>) = 0 [pid 27604] <... write resumed>) = 4 [pid 27595] rt_sigprocmask(SIG_SETMASK, [], [pid 27603] <... clone3 resumed> => {parent_tid=[27610]}, 88) = 27610 [pid 27595] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27603] rt_sigprocmask(SIG_SETMASK, [], [pid 27595] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27595] <... futex resumed>) = 0 [pid 27603] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27595] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27603] <... futex resumed>) = 0 [pid 27603] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27604] close(3) = 0 [pid 27609] set_robust_list(0x7f02635ab9a0, 24 [pid 27607] <... prctl resumed>) = 0 [pid 27606] rt_sigprocmask(SIG_SETMASK, [], [pid 27604] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 27610 attached [pid 27610] set_robust_list(0x7f02635cc9a0, 24 [pid 27604] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27607] setpgid(0, 0 [pid 27610] <... set_robust_list resumed>) = 0 [pid 27610] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27610] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW./strace-static-x86_64: Process 27608 attached [pid 27608] set_robust_list(0x555555eba6a0, 24 [pid 27610] <... openat resumed>) = 3 [pid 27608] <... set_robust_list resumed>) = 0 [pid 27604] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27604] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 27607] <... setpgid resumed>) = 0 [pid 27604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f02635ac000 [pid 27607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27604] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27610] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27603] <... futex resumed>) = 0 [pid 27603] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27603] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27610] <... futex resumed>) = 1 [pid 27610] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27608] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27610] <... write resumed>) = 9 [pid 27610] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27603] <... futex resumed>) = 0 [pid 27603] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27603] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27606] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27604] <... mprotect resumed>) = 0 [pid 27603] <... mmap resumed>) = 0x7f026358b000 [pid 27607] <... openat resumed>) = 3 [pid 27603] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27610] <... futex resumed>) = 1 [pid 27608] <... prctl resumed>) = 0 [pid 27607] write(3, "1000", 4 [pid 27606] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27609] <... set_robust_list resumed>) = 0 [pid 27604] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27603] <... mprotect resumed>) = 0 [pid 27610] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27608] setpgid(0, 0 [pid 27607] <... write resumed>) = 4 [pid 27606] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27604] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27603] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27609] rt_sigprocmask(SIG_SETMASK, [], [pid 27610] <... write resumed>) = 10 [pid 27608] <... setpgid resumed>) = 0 [pid 27607] close(3 [pid 27606] <... futex resumed>) = 1 [pid 27604] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27603] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27599] <... futex resumed>) = 0 [pid 27610] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27607] <... close resumed>) = 0 [pid 27606] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27603] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27599] exit_group(0 [pid 27610] <... futex resumed>) = 0 [pid 27608] <... openat resumed>) = 3 [pid 27607] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27604] <... clone3 resumed> => {parent_tid=[27611]}, 88) = 27611 [pid 27602] <... futex resumed>) = ? [pid 27599] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 27612 attached [pid 27610] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27608] write(3, "1000", 4 [pid 27607] <... futex resumed>) = 0 [pid 27606] <... futex resumed>) = ? [pid 27604] rt_sigprocmask(SIG_SETMASK, [], [pid 27603] <... clone3 resumed> => {parent_tid=[27612]}, 88) = 27612 [pid 27602] +++ exited with 0 +++ [pid 27609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27608] <... write resumed>) = 4 [pid 27607] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27603] rt_sigprocmask(SIG_SETMASK, [], [pid 27608] close(3 [pid 27603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27608] <... close resumed>) = 0 [pid 27603] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27608] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27603] <... futex resumed>) = 0 [pid 27608] <... futex resumed>) = 0 [pid 27606] +++ exited with 0 +++ [pid 27603] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27599] +++ exited with 0 +++ [pid 27607] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27604] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27609] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27608] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27607] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27604] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27599, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27608] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27607] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27604] <... futex resumed>) = 0 [pid 27609] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 27609] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27608] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27604] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27611 attached [pid 27609] <... futex resumed>) = 1 [pid 27608] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27607] <... mmap resumed>) = 0x7f02635ac000 [pid 27595] <... futex resumed>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 27611] set_robust_list(0x7f02635cc9a0, 24 [pid 27609] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27608] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27607] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27595] exit_group(0 [pid 27611] <... set_robust_list resumed>) = 0 [pid 27612] set_robust_list(0x7f02635ab9a0, 24 [pid 27609] <... futex resumed>) = ? [pid 27608] <... mmap resumed>) = 0x7f02635ac000 [pid 27607] <... mprotect resumed>) = 0 [pid 27605] <... futex resumed>) = ? [pid 27595] <... exit_group resumed>) = ? [pid 27611] rt_sigprocmask(SIG_SETMASK, [], [pid 27608] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27607] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27605] +++ exited with 0 +++ [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27611] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27609] +++ exited with 0 +++ [pid 27608] <... mprotect resumed>) = 0 [pid 27607] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27595] +++ exited with 0 +++ [pid 27612] <... set_robust_list resumed>) = 0 [pid 27611] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27608] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27607] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27613 [pid 27611] <... openat resumed>) = 3 [pid 27608] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27611] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27608] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27607] <... clone3 resumed> => {parent_tid=[27614]}, 88) = 27614 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27595, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 27611] <... futex resumed>) = 1 [pid 27607] rt_sigprocmask(SIG_SETMASK, [], [pid 27604] <... futex resumed>) = 0 [pid 27611] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27608] <... clone3 resumed> => {parent_tid=[27615]}, 88) = 27615 [pid 27607] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27604] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27608] rt_sigprocmask(SIG_SETMASK, [], [pid 27607] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27604] <... futex resumed>) = 0 [pid 27611] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27608] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27611] <... write resumed>) = 9 [pid 27608] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27611] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27608] <... futex resumed>) = 0 [pid 27611] <... futex resumed>) = 0 [pid 27608] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27611] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 27615 attached [pid 27604] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27607] <... futex resumed>) = 0 [pid 27604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27604] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27616 [pid 27612] rt_sigprocmask(SIG_SETMASK, [], [pid 27611] <... futex resumed>) = 0 [pid 27607] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27604] <... futex resumed>) = 1 [pid 27612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27611] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27604] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27612] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27611] <... write resumed>) = 10 [pid 27604] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27616 attached [pid 27612] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27611] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27611] <... futex resumed>) = 0 [pid 27611] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27604] <... mmap resumed>) = 0x7f026358b000 [pid 27612] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27604] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27615] set_robust_list(0x7f02635cc9a0, 24) = 0 [pid 27615] rt_sigprocmask(SIG_SETMASK, [], [pid 27604] <... mprotect resumed>) = 0 [pid 27612] <... futex resumed>) = 1 [pid 27603] <... futex resumed>) = 0 [pid 27603] exit_group(0 [pid 27610] <... futex resumed>) = ? [pid 27604] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27603] <... exit_group resumed>) = ? [pid 27610] +++ exited with 0 +++ [pid 27604] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27604] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} => {parent_tid=[27617]}, 88) = 27617 [pid 27604] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27604] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27615] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27604] <... futex resumed>) = 0 [pid 27615] <... openat resumed>) = 3 [pid 27604] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27613 attached [pid 27615] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27612] +++ exited with 0 +++ [pid 27603] +++ exited with 0 +++ [pid 27615] <... futex resumed>) = 1 [pid 27613] set_robust_list(0x555555eba6a0, 24 [pid 27608] <... futex resumed>) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27603, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27615] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27613] <... set_robust_list resumed>) = 0 [pid 27608] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 27615] <... write resumed>) = 9 [pid 27613] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27608] <... futex resumed>) = 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 27615] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27613] <... prctl resumed>) = 0 [pid 27608] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27614 attached [pid 27616] set_robust_list(0x555555eba6a0, 24 [pid 27615] <... futex resumed>) = 0 [pid 27613] setpgid(0, 0 [pid 27608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27616] <... set_robust_list resumed>) = 0 [pid 27615] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27613] <... setpgid resumed>) = 0 [pid 27608] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27616] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27615] <... write resumed>) = 10 [pid 27613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27608] <... futex resumed>) = 0 [pid 27614] set_robust_list(0x7f02635cc9a0, 24./strace-static-x86_64: Process 27617 attached [pid 27616] <... prctl resumed>) = 0 [pid 27615] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27613] <... openat resumed>) = 3 [pid 27608] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27617] set_robust_list(0x7f02635ab9a0, 24 [pid 27615] <... futex resumed>) = 0 [pid 27613] write(3, "1000", 4 [pid 27608] <... futex resumed>) = 0 [pid 27617] <... set_robust_list resumed>) = 0 [pid 27615] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27613] <... write resumed>) = 4 [pid 27608] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27617] rt_sigprocmask(SIG_SETMASK, [], [pid 27615] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27613] close(3 [pid 27617] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27615] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27613] <... close resumed>) = 0 [pid 27617] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27616] setpgid(0, 0 [pid 27615] <... futex resumed>) = 1 [pid 27613] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27608] <... futex resumed>) = 0 [pid 27617] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27616] <... setpgid resumed>) = 0 [pid 27615] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27613] <... futex resumed>) = 0 [pid 27608] exit_group(0 [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27618 [pid 27617] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27615] <... futex resumed>) = ? [pid 27613] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27608] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 27618 attached [pid 27617] <... futex resumed>) = 1 [pid 27616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27615] +++ exited with 0 +++ [pid 27614] <... set_robust_list resumed>) = 0 [pid 27613] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27608] +++ exited with 0 +++ [pid 27604] <... futex resumed>) = 0 [pid 27618] set_robust_list(0x555555eba6a0, 24 [pid 27617] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27613] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27604] exit_group(0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27608, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27617] <... futex resumed>) = ? [pid 27616] <... openat resumed>) = 3 [pid 27614] rt_sigprocmask(SIG_SETMASK, [], [pid 27613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27611] <... futex resumed>) = ? [pid 27604] <... exit_group resumed>) = ? [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 27617] +++ exited with 0 +++ [pid 27616] write(3, "1000", 4 [pid 27614] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27611] +++ exited with 0 +++ [pid 298] <... restart_syscall resumed>) = 0 [pid 27613] <... mmap resumed>) = 0x7f02635ac000 [pid 27613] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27618] <... set_robust_list resumed>) = 0 [pid 27616] <... write resumed>) = 4 [pid 27614] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27613] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27604] +++ exited with 0 +++ ./strace-static-x86_64: Process 27619 attached [pid 27613] <... rt_sigprocmask resumed>[], 8) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27619 [pid 27613] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27616] close(3 [pid 27614] <... openat resumed>) = 3 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27604, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27613] <... clone3 resumed> => {parent_tid=[27620]}, 88) = 27620 [pid 27613] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27613] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27613] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27620 attached [pid 27620] set_robust_list(0x7f02635cc9a0, 24) = 0 [pid 27616] <... close resumed>) = 0 [pid 27614] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27620] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27620] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW) = 3 [pid 27616] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27614] <... futex resumed>) = 1 [pid 27607] <... futex resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27620] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27616] <... futex resumed>) = 0 [pid 27614] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27607] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27613] <... futex resumed>) = 0 [pid 27613] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27613] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27620] <... futex resumed>) = 1 [pid 27620] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27607] <... futex resumed>) = 0 [pid 27614] <... write resumed>) = 9 [pid 27616] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27607] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27614] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27621 [pid 27618] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27616] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27614] <... futex resumed>) = 0 [pid 27607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27607] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27616] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27614] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27618] <... prctl resumed>) = 0 [pid 27616] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27614] <... write resumed>) = 10 [pid 27607] <... futex resumed>) = 0 [pid 27616] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27614] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27607] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27618] setpgid(0, 0 [pid 27616] <... mmap resumed>) = 0x7f02635ac000 [pid 27614] <... futex resumed>) = 0 [pid 27607] <... futex resumed>) = 0 [pid 27618] <... setpgid resumed>) = 0 [pid 27616] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27614] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27620] <... write resumed>) = 9 [pid 27620] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27616] <... mprotect resumed>) = 0 [pid 27607] <... mmap resumed>) = 0x7f026358b000 [pid 27613] <... futex resumed>) = 0 [pid 27613] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27616] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27613] <... futex resumed>) = 0 [pid 27607] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27613] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27616] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27613] <... mmap resumed>) = 0x7f026358b000 [pid 27607] <... mprotect resumed>) = 0 [pid 27613] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27616] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27613] <... mprotect resumed>) = 0 [pid 27607] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27618] <... openat resumed>) = 3 [pid 27613] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27618] write(3, "1000", 4 [pid 27613] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27607] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27618] <... write resumed>) = 4 [pid 27616] <... clone3 resumed> => {parent_tid=[27622]}, 88) = 27622 [pid 27613] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27607] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27618] close(3 [pid 27616] rt_sigprocmask(SIG_SETMASK, [], [pid 27620] <... futex resumed>) = 1 [pid 27618] <... close resumed>) = 0 [pid 27616] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27613] <... clone3 resumed> => {parent_tid=[27623]}, 88) = 27623 [pid 27607] <... clone3 resumed> => {parent_tid=[27624]}, 88) = 27624 [pid 27620] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27618] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27616] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27613] rt_sigprocmask(SIG_SETMASK, [], [pid 27607] rt_sigprocmask(SIG_SETMASK, [], [pid 27620] <... write resumed>) = 10 [pid 27618] <... futex resumed>) = 0 [pid 27616] <... futex resumed>) = 0 [pid 27613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27607] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27620] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27613] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27620] <... futex resumed>) = 0 [pid 27618] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27616] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27613] <... futex resumed>) = 0 [pid 27607] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27620] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27618] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27613] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27607] <... futex resumed>) = 0 [pid 27607] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27618] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 27618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f02635ac000 [pid 27618] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 27622 attached ./strace-static-x86_64: Process 27621 attached ) = 0 [pid 27622] set_robust_list(0x7f02635cc9a0, 24 [pid 27621] set_robust_list(0x555555eba6a0, 24 [pid 27622] <... set_robust_list resumed>) = 0 [pid 27621] <... set_robust_list resumed>) = 0 [pid 27622] rt_sigprocmask(SIG_SETMASK, [], [pid 27621] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 27624 attached [pid 27622] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27621] <... prctl resumed>) = 0 [pid 27624] set_robust_list(0x7f02635ab9a0, 24 [pid 27622] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27621] setpgid(0, 0 [pid 27624] <... set_robust_list resumed>) = 0 [pid 27622] <... openat resumed>) = 3 [pid 27621] <... setpgid resumed>) = 0 [pid 27618] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 27623 attached [pid 27624] rt_sigprocmask(SIG_SETMASK, [], [pid 27622] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27618] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27623] set_robust_list(0x7f02635ab9a0, 24 [pid 27622] <... futex resumed>) = 1 [pid 27619] set_robust_list(0x555555eba6a0, 24 [pid 27618] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27616] <... futex resumed>) = 0 [pid 27624] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27623] <... set_robust_list resumed>) = 0 [pid 27622] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27621] <... openat resumed>) = 3 [pid 27616] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27625 attached [pid 27624] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27623] rt_sigprocmask(SIG_SETMASK, [], [pid 27622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27621] write(3, "1000", 4 [pid 27619] <... set_robust_list resumed>) = 0 [pid 27618] <... clone3 resumed> => {parent_tid=[27625]}, 88) = 27625 [pid 27616] <... futex resumed>) = 0 [pid 27624] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27622] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27621] <... write resumed>) = 4 [pid 27618] rt_sigprocmask(SIG_SETMASK, [], [pid 27616] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27618] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27624] <... futex resumed>) = 1 [pid 27623] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27622] <... write resumed>) = 9 [pid 27621] close(3 [pid 27618] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27607] <... futex resumed>) = 0 [pid 27624] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27623] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27622] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27621] <... close resumed>) = 0 [pid 27618] <... futex resumed>) = 0 [pid 27607] exit_group(0 [pid 27624] <... futex resumed>) = ? [pid 27623] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27622] <... futex resumed>) = 1 [pid 27621] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27618] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27616] <... futex resumed>) = 0 [pid 27607] <... exit_group resumed>) = ? [pid 27624] +++ exited with 0 +++ [pid 27623] <... futex resumed>) = 1 [pid 27622] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27621] <... futex resumed>) = 0 [pid 27616] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27614] <... futex resumed>) = ? [pid 27613] <... futex resumed>) = 0 [pid 27623] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27621] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27619] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27616] <... futex resumed>) = 0 [pid 27613] exit_group(0 [pid 27623] <... futex resumed>) = ? [pid 27622] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27621] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27620] <... futex resumed>) = ? [pid 27613] <... exit_group resumed>) = ? [pid 27625] set_robust_list(0x7f02635cc9a0, 24 [pid 27623] +++ exited with 0 +++ [pid 27622] <... write resumed>) = 10 [pid 27621] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27620] +++ exited with 0 +++ [pid 27619] <... prctl resumed>) = 0 [pid 27616] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27614] +++ exited with 0 +++ [pid 27613] +++ exited with 0 +++ [pid 27607] +++ exited with 0 +++ [pid 27622] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27621] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27619] setpgid(0, 0 [pid 27616] <... futex resumed>) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27607, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27622] <... futex resumed>) = 0 [pid 27621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27619] <... setpgid resumed>) = 0 [pid 27616] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27613, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 27622] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27621] <... mmap resumed>) = 0x7f02635ac000 [pid 27616] <... mmap resumed>) = 0x7f026358b000 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 27621] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27616] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27621] <... mprotect resumed>) = 0 [pid 27619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 294] <... restart_syscall resumed>) = 0 [pid 27621] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27616] <... mprotect resumed>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 27625] <... set_robust_list resumed>) = 0 [pid 27621] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27619] <... openat resumed>) = 3 [pid 27616] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27625] rt_sigprocmask(SIG_SETMASK, [], [pid 27621] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27619] write(3, "1000", 4 [pid 27616] <... rt_sigprocmask resumed>[], 8) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27626 attached [pid 27625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27619] <... write resumed>) = 4 [pid 27616] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27627 attached ./strace-static-x86_64: Process 27628 attached ./strace-static-x86_64: Process 27629 attached [pid 27626] set_robust_list(0x7f02635cc9a0, 24 [pid 27625] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27621] <... clone3 resumed> => {parent_tid=[27626]}, 88) = 27626 [pid 27619] close(3 [pid 27629] set_robust_list(0x555555eba6a0, 24 [pid 27628] set_robust_list(0x7f02635ab9a0, 24 [pid 27627] set_robust_list(0x555555eba6a0, 24 [pid 27625] <... openat resumed>) = 3 [pid 27621] rt_sigprocmask(SIG_SETMASK, [], [pid 27619] <... close resumed>) = 0 [pid 27616] <... clone3 resumed> => {parent_tid=[27628]}, 88) = 27628 [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27629 [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27627 [pid 27629] <... set_robust_list resumed>) = 0 [pid 27628] <... set_robust_list resumed>) = 0 [pid 27627] <... set_robust_list resumed>) = 0 [pid 27625] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27621] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27619] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27616] rt_sigprocmask(SIG_SETMASK, [], [pid 27629] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27628] rt_sigprocmask(SIG_SETMASK, [], [pid 27627] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27625] <... futex resumed>) = 1 [pid 27621] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27619] <... futex resumed>) = 0 [pid 27618] <... futex resumed>) = 0 [pid 27616] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27629] <... prctl resumed>) = 0 [pid 27628] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27627] <... prctl resumed>) = 0 [pid 27626] <... set_robust_list resumed>) = 0 [pid 27625] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27621] <... futex resumed>) = 0 [pid 27619] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27618] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27616] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27629] setpgid(0, 0 [pid 27628] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27627] setpgid(0, 0 [pid 27625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27621] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27619] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27618] <... futex resumed>) = 0 [pid 27616] <... futex resumed>) = 0 [pid 27629] <... setpgid resumed>) = 0 [pid 27628] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27627] <... setpgid resumed>) = 0 [pid 27625] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27619] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27618] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27616] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27628] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27626] rt_sigprocmask(SIG_SETMASK, [], [pid 27625] <... write resumed>) = 9 [pid 27619] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27629] <... openat resumed>) = 3 [pid 27628] <... futex resumed>) = 0 [pid 27627] <... openat resumed>) = 3 [pid 27626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27625] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27616] exit_group(0 [pid 27629] write(3, "1000", 4 [pid 27627] write(3, "1000", 4 [pid 27625] <... futex resumed>) = 1 [pid 27622] <... futex resumed>) = ? [pid 27619] <... mmap resumed>) = 0x7f02635ac000 [pid 27618] <... futex resumed>) = 0 [pid 27616] <... exit_group resumed>) = ? [pid 27629] <... write resumed>) = 4 [pid 27628] +++ exited with 0 +++ [pid 27627] <... write resumed>) = 4 [pid 27626] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27625] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27622] +++ exited with 0 +++ [pid 27619] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27618] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27629] close(3 [pid 27627] close(3 [pid 27625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27629] <... close resumed>) = 0 [pid 27627] <... close resumed>) = 0 [pid 27625] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27629] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27627] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27625] <... write resumed>) = 10 [pid 27618] <... futex resumed>) = 0 [pid 27616] +++ exited with 0 +++ [pid 27629] <... futex resumed>) = 0 [pid 27627] <... futex resumed>) = 0 [pid 27625] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27619] <... mprotect resumed>) = 0 [pid 27618] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27616, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27629] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27627] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27625] <... futex resumed>) = 0 [pid 27629] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27627] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27625] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27619] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27618] <... futex resumed>) = 0 [pid 27629] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27627] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27625] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27619] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27618] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27626] <... openat resumed>) = 3 [pid 27625] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27619] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27625] <... futex resumed>) = 0 [pid 27618] exit_group(0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27629] <... mmap resumed>) = 0x7f02635ac000 [pid 27627] <... mmap resumed>) = 0x7f02635ac000 [pid 27626] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27619] <... clone3 resumed> => {parent_tid=[27630]}, 88) = 27630 [pid 27618] <... exit_group resumed>) = ? [pid 27629] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27627] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27625] +++ exited with 0 +++ [pid 27629] <... mprotect resumed>) = 0 [pid 27627] <... mprotect resumed>) = 0 [pid 27629] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27627] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27629] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27627] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27619] rt_sigprocmask(SIG_SETMASK, [], [pid 27618] +++ exited with 0 +++ [pid 27626] <... futex resumed>) = 1 [pid 27621] <... futex resumed>) = 0 [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27631 [pid 27629] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27627] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27621] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27619] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27626] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27621] <... futex resumed>) = 0 [pid 27619] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27629] <... clone3 resumed> => {parent_tid=[27632]}, 88) = 27632 [pid 27627] <... clone3 resumed> => {parent_tid=[27633]}, 88) = 27633 [pid 27621] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27630 attached ./strace-static-x86_64: Process 27633 attached [pid 27629] rt_sigprocmask(SIG_SETMASK, [], [pid 27627] rt_sigprocmask(SIG_SETMASK, [], [pid 27626] <... write resumed>) = 9 [pid 27619] <... futex resumed>) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27618, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27626] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27619] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27629] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27627] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27626] <... futex resumed>) = 1 [pid 27621] <... futex resumed>) = 0 [pid 27629] <... futex resumed>) = 0 [pid 27627] <... futex resumed>) = 0 [pid 27621] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27629] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27627] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27621] <... futex resumed>) = 0 [pid 27621] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27626] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27621] <... mmap resumed>) = 0x7f026358b000 [pid 27621] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27626] <... write resumed>) = 10 [pid 27621] <... mprotect resumed>) = 0 [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27634 [pid 27621] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27626] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27621] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27630] set_robust_list(0x7f02635cc9a0, 24 [pid 27626] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27633] set_robust_list(0x7f02635cc9a0, 24./strace-static-x86_64: Process 27631 attached [pid 27621] <... clone3 resumed> => {parent_tid=[27635]}, 88) = 27635 [pid 27621] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27621] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27621] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27634 attached [pid 27634] set_robust_list(0x555555eba6a0, 24) = 0 [pid 27634] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27633] <... set_robust_list resumed>) = 0 [pid 27631] set_robust_list(0x555555eba6a0, 24 [pid 27630] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 27632 attached [pid 27634] <... prctl resumed>) = 0 [pid 27630] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27634] setpgid(0, 0 [pid 27630] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27634] <... setpgid resumed>) = 0 [pid 27634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27633] rt_sigprocmask(SIG_SETMASK, [], [pid 27632] set_robust_list(0x7f02635cc9a0, 24 [pid 27631] <... set_robust_list resumed>) = 0 [pid 27630] <... openat resumed>) = 3 [pid 27634] <... openat resumed>) = 3 [pid 27633] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27630] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27634] write(3, "1000", 4 [pid 27619] <... futex resumed>) = 0 [pid 27630] <... futex resumed>) = 1 [pid 27634] <... write resumed>) = 4 [pid 27633] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27619] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27634] close(3 [pid 27630] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27634] <... close resumed>) = 0 [pid 27633] <... openat resumed>) = 3 [pid 27632] <... set_robust_list resumed>) = 0 [pid 27630] <... write resumed>) = 9 [pid 27619] <... futex resumed>) = 0 [pid 27634] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27633] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27632] rt_sigprocmask(SIG_SETMASK, [], [pid 27631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27630] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27619] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27635 attached [pid 27634] <... futex resumed>) = 0 [pid 27633] <... futex resumed>) = 1 [pid 27632] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27631] <... prctl resumed>) = 0 [pid 27630] <... futex resumed>) = 0 [pid 27627] <... futex resumed>) = 0 [pid 27619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27635] set_robust_list(0x7f02635ab9a0, 24 [pid 27634] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27627] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27635] <... set_robust_list resumed>) = 0 [pid 27634] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27633] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27632] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27630] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27627] <... futex resumed>) = 0 [pid 27619] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27635] rt_sigprocmask(SIG_SETMASK, [], [pid 27634] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27631] setpgid(0, 0 [pid 27627] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27619] <... futex resumed>) = 0 [pid 27635] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27634] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27633] <... write resumed>) = 9 [pid 27632] <... openat resumed>) = 3 [pid 27630] <... write resumed>) = 10 [pid 27631] <... setpgid resumed>) = 0 [pid 27619] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27635] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27633] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27632] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27630] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27619] <... futex resumed>) = 0 [pid 27635] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27634] <... mmap resumed>) = 0x7f02635ac000 [pid 27633] <... futex resumed>) = 1 [pid 27632] <... futex resumed>) = 1 [pid 27631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27630] <... futex resumed>) = 0 [pid 27629] <... futex resumed>) = 0 [pid 27627] <... futex resumed>) = 0 [pid 27619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27635] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27634] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27633] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27632] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27630] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27629] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27627] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27635] <... futex resumed>) = 1 [pid 27634] <... mprotect resumed>) = 0 [pid 27633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27632] <... write resumed>) = 9 [pid 27631] <... openat resumed>) = 3 [pid 27629] <... futex resumed>) = 0 [pid 27627] <... futex resumed>) = 0 [pid 27621] <... futex resumed>) = 0 [pid 27619] <... mmap resumed>) = 0x7f026358b000 [pid 27635] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27634] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27633] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27632] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27631] write(3, "1000", 4 [pid 27629] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27627] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27621] exit_group(0 [pid 27619] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27635] <... futex resumed>) = ? [pid 27634] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27633] <... write resumed>) = 10 [pid 27632] <... futex resumed>) = 0 [pid 27631] <... write resumed>) = 4 [pid 27629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27627] <... futex resumed>) = 0 [pid 27626] <... futex resumed>) = ? [pid 27621] <... exit_group resumed>) = ? [pid 27635] +++ exited with 0 +++ [pid 27634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27633] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27632] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27631] close(3 [pid 27629] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27626] +++ exited with 0 +++ [pid 27619] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 27636 attached [pid 27633] <... futex resumed>) = 0 [pid 27632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27631] <... close resumed>) = 0 [pid 27629] <... futex resumed>) = 0 [pid 27627] <... mmap resumed>) = 0x7f026358b000 [pid 27621] +++ exited with 0 +++ [pid 27619] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27636] set_robust_list(0x7f02635cc9a0, 24 [pid 27634] <... clone3 resumed> => {parent_tid=[27636]}, 88) = 27636 [pid 27633] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27632] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27631] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27629] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27627] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27619] <... rt_sigprocmask resumed>[], 8) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27621, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27636] <... set_robust_list resumed>) = 0 [pid 27634] rt_sigprocmask(SIG_SETMASK, [], [pid 27632] <... write resumed>) = 10 [pid 27631] <... futex resumed>) = 0 [pid 27629] <... futex resumed>) = 0 [pid 27627] <... mprotect resumed>) = 0 [pid 27619] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 27636] rt_sigprocmask(SIG_SETMASK, [], [pid 27634] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27632] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27631] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27627] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27636] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27634] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27632] <... futex resumed>) = 0 [pid 27631] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27629] <... mmap resumed>) = 0x7f026358b000 [pid 27627] <... rt_sigprocmask resumed>[], 8) = 0 [pid 299] <... restart_syscall resumed>) = 0 [pid 27636] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27634] <... futex resumed>) = 0 [pid 27632] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27631] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27629] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27627] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27619] <... clone3 resumed> => {parent_tid=[27637]}, 88) = 27637 [pid 27636] <... openat resumed>) = 3 [pid 27634] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27631] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27629] <... mprotect resumed>) = 0 [pid 27619] rt_sigprocmask(SIG_SETMASK, [], [pid 27636] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27629] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27627] <... clone3 resumed> => {parent_tid=[27638]}, 88) = 27638 [pid 27619] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27636] <... futex resumed>) = 1 [pid 27634] <... futex resumed>) = 0 [pid 27631] <... mmap resumed>) = 0x7f02635ac000 [pid 27629] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27627] rt_sigprocmask(SIG_SETMASK, [], [pid 27619] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27636] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27634] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27631] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27629] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27619] <... futex resumed>) = 0 [pid 27636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27634] <... futex resumed>) = 0 [pid 27627] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27636] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27634] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27631] <... mprotect resumed>) = 0 [pid 27629] <... clone3 resumed> => {parent_tid=[27639]}, 88) = 27639 [pid 27627] <... futex resumed>) = 0 [pid 27619] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27636] <... write resumed>) = 9 [pid 27629] rt_sigprocmask(SIG_SETMASK, [], [pid 27627] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27636] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27631] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27640 [pid 27636] <... futex resumed>) = 1 [pid 27634] <... futex resumed>) = 0 [pid 27631] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27629] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27636] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27634] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27631] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27629] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27640 attached ./strace-static-x86_64: Process 27639 attached ./strace-static-x86_64: Process 27638 attached ./strace-static-x86_64: Process 27637 attached [pid 27636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27634] <... futex resumed>) = 0 [pid 27629] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27636] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27634] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27631] <... clone3 resumed> => {parent_tid=[27641]}, 88) = 27641 [pid 27637] set_robust_list(0x7f02635ab9a0, 24 [pid 27636] <... write resumed>) = 10 [pid 27634] <... futex resumed>) = 0 [pid 27631] rt_sigprocmask(SIG_SETMASK, [], [pid 27637] <... set_robust_list resumed>) = 0 [pid 27636] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27631] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27640] set_robust_list(0x555555eba6a0, 24 [pid 27637] rt_sigprocmask(SIG_SETMASK, [], [pid 27636] <... futex resumed>) = 0 [pid 27634] <... mmap resumed>) = 0x7f026358b000 [pid 27631] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27640] <... set_robust_list resumed>) = 0 [pid 27637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27636] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27634] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27631] <... futex resumed>) = 0 [pid 27640] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27637] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27634] <... mprotect resumed>) = 0 [pid 27631] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27640] <... prctl resumed>) = 0 [pid 27637] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27634] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27640] setpgid(0, 0 [pid 27637] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27634] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27640] <... setpgid resumed>) = 0 [pid 27637] <... futex resumed>) = 1 [pid 27634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27619] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27642 attached [pid 27640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27637] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27619] exit_group(0 [pid 27642] set_robust_list(0x7f02635ab9a0, 24 [pid 27640] <... openat resumed>) = 3 [pid 27637] <... futex resumed>) = ? [pid 27634] <... clone3 resumed> => {parent_tid=[27642]}, 88) = 27642 [pid 27630] <... futex resumed>) = ? [pid 27619] <... exit_group resumed>) = ? [pid 27640] write(3, "1000", 4 [pid 27639] set_robust_list(0x7f02635ab9a0, 24 [pid 27637] +++ exited with 0 +++ [pid 27634] rt_sigprocmask(SIG_SETMASK, [], [pid 27630] +++ exited with 0 +++ [pid 27640] <... write resumed>) = 4 [pid 27639] <... set_robust_list resumed>) = 0 [pid 27634] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27640] close(3 [pid 27639] rt_sigprocmask(SIG_SETMASK, [], [pid 27634] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27640] <... close resumed>) = 0 [pid 27639] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27634] <... futex resumed>) = 0 [pid 27640] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27639] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27634] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27619] +++ exited with 0 +++ [pid 27640] <... futex resumed>) = 0 [pid 27639] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27619, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27640] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27639] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 27640] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27639] <... futex resumed>) = 1 [pid 27629] <... futex resumed>) = 0 [pid 27640] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27639] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27629] exit_group(0 [pid 298] <... restart_syscall resumed>) = 0 [pid 27640] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27639] <... futex resumed>) = ? [pid 27632] <... futex resumed>) = ? [pid 27629] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 27641 attached [pid 27642] <... set_robust_list resumed>) = 0 [pid 27640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27639] +++ exited with 0 +++ [pid 27638] set_robust_list(0x7f02635ab9a0, 24 [pid 27632] +++ exited with 0 +++ [pid 27629] +++ exited with 0 +++ [pid 27640] <... mmap resumed>) = 0x7f02635ac000 [pid 27642] rt_sigprocmask(SIG_SETMASK, [], [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27629, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27641] set_robust_list(0x7f02635cc9a0, 24 [pid 27638] <... set_robust_list resumed>) = 0 [pid 27642] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27640] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27642] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27643 [pid 27641] <... set_robust_list resumed>) = 0 [pid 27638] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 27643 attached [pid 27640] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27640] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27642] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27640] <... clone3 resumed> => {parent_tid=[27644]}, 88) = 27644 [pid 27640] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27640] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27640] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27642] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27641] rt_sigprocmask(SIG_SETMASK, [], [pid 27638] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27644 attached [pid 27643] set_robust_list(0x555555eba6a0, 24 [pid 27642] <... futex resumed>) = 1 [pid 27641] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27638] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10./strace-static-x86_64: Process 27645 attached [pid 27644] set_robust_list(0x7f02635cc9a0, 24 [pid 27634] <... futex resumed>) = 0 [pid 27645] set_robust_list(0x555555eba6a0, 24 [pid 27634] exit_group(0 [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27645 [pid 27645] <... set_robust_list resumed>) = 0 [pid 27636] <... futex resumed>) = ? [pid 27634] <... exit_group resumed>) = ? [pid 27645] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27644] <... set_robust_list resumed>) = 0 [pid 27643] <... set_robust_list resumed>) = 0 [pid 27641] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27638] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27636] +++ exited with 0 +++ [pid 27645] <... prctl resumed>) = 0 [pid 27645] setpgid(0, 0) = 0 [pid 27645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 27642] +++ exited with 0 +++ [pid 27638] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27634] +++ exited with 0 +++ [pid 27641] <... openat resumed>) = 3 [pid 27645] write(3, "1000", 4) = 4 [pid 27645] close(3) = 0 [pid 27645] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27641] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27638] <... futex resumed>) = 1 [pid 27627] <... futex resumed>) = 0 [pid 27645] <... futex resumed>) = 0 [pid 27627] exit_group(0 [pid 27645] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27633] <... futex resumed>) = ? [pid 27627] <... exit_group resumed>) = ? [pid 27645] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27644] rt_sigprocmask(SIG_SETMASK, [], [pid 27643] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27641] <... futex resumed>) = 1 [pid 27638] +++ exited with 0 +++ [pid 27633] +++ exited with 0 +++ [pid 27631] <... futex resumed>) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27634, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27645] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27627] +++ exited with 0 +++ [pid 27645] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27627, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27645] <... mmap resumed>) = 0x7f02635ac000 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 27645] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27641] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27631] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27631] <... futex resumed>) = 0 [pid 27645] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27645] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27641] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27631] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27645] <... clone3 resumed> => {parent_tid=[27647]}, 88) = 27647 [pid 27641] <... write resumed>) = 9 [pid 294] <... restart_syscall resumed>) = 0 [pid 27645] rt_sigprocmask(SIG_SETMASK, [], [pid 27641] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27646 [pid 27645] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27641] <... futex resumed>) = 1 [pid 27631] <... futex resumed>) = 0 [pid 27645] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27643] <... prctl resumed>) = 0 [pid 27641] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27631] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27647 attached ./strace-static-x86_64: Process 27646 attached ./strace-static-x86_64: Process 27648 attached [pid 27645] <... futex resumed>) = 0 [pid 27644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27643] setpgid(0, 0 [pid 27641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27631] <... futex resumed>) = 0 [pid 27648] set_robust_list(0x555555eba6a0, 24 [pid 27645] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27648 [pid 27648] <... set_robust_list resumed>) = 0 [pid 27648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 27643] <... setpgid resumed>) = 0 [pid 27641] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27631] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27648] setpgid(0, 0) = 0 [pid 27648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 27631] <... futex resumed>) = 0 [pid 27641] <... write resumed>) = 10 [pid 27648] write(3, "1000", 4) = 4 [pid 27648] close(3 [pid 27643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27641] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27648] <... close resumed>) = 0 [pid 27648] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27648] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, NULL, 8) = 0 [pid 27648] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27631] <... mmap resumed>) = 0x7f026358b000 [pid 27641] <... futex resumed>) = 0 [pid 27648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27643] <... openat resumed>) = 3 [pid 27631] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f02635ac000 [pid 27648] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27648] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27641] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27643] write(3, "1000", 4 [pid 27631] <... mprotect resumed>) = 0 [pid 27648] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} => {parent_tid=[27649]}, 88) = 27649 [pid 27631] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27648] rt_sigprocmask(SIG_SETMASK, [], [pid 27643] <... write resumed>) = 4 [pid 27631] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27644] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27643] close(3 [pid 27631] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27648] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27646] set_robust_list(0x555555eba6a0, 24 [pid 27643] <... close resumed>) = 0 [pid 27648] <... futex resumed>) = 0 [pid 27643] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27631] <... clone3 resumed> => {parent_tid=[27650]}, 88) = 27650 [pid 27648] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27643] <... futex resumed>) = 0 [pid 27644] <... openat resumed>) = 3 [pid 27643] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27631] rt_sigprocmask(SIG_SETMASK, [], [pid 27644] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27643] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27631] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27644] <... futex resumed>) = 1 [pid 27643] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27640] <... futex resumed>) = 0 [pid 27631] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27640] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27643] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27640] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27644] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27631] <... futex resumed>) = 0 [pid 27643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27631] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27644] <... write resumed>) = 9 [pid 27643] <... mmap resumed>) = 0x7f02635ac000 [pid 27643] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27644] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27643] <... mprotect resumed>) = 0 [pid 27643] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27644] <... futex resumed>) = 1 [pid 27640] <... futex resumed>) = 0 [pid 27643] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27640] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27644] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27643] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27640] <... futex resumed>) = 0 [pid 27640] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27644] <... write resumed>) = 10 [pid 27640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27643] <... clone3 resumed> => {parent_tid=[27651]}, 88) = 27651 [pid 27640] <... mmap resumed>) = 0x7f026358b000 [pid 27644] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27650 attached [pid 27643] rt_sigprocmask(SIG_SETMASK, [], [pid 27640] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 27651 attached ./strace-static-x86_64: Process 27649 attached [pid 27650] set_robust_list(0x7f02635ab9a0, 24 [pid 27647] set_robust_list(0x7f02635cc9a0, 24 [pid 27646] <... set_robust_list resumed>) = 0 [pid 27644] <... futex resumed>) = 0 [pid 27643] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27640] <... mprotect resumed>) = 0 [pid 27651] set_robust_list(0x7f02635cc9a0, 24 [pid 27650] <... set_robust_list resumed>) = 0 [pid 27649] set_robust_list(0x7f02635cc9a0, 24 [pid 27647] <... set_robust_list resumed>) = 0 [pid 27646] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27644] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27643] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27640] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27649] <... set_robust_list resumed>) = 0 [pid 27647] rt_sigprocmask(SIG_SETMASK, [], [pid 27646] <... prctl resumed>) = 0 [pid 27643] <... futex resumed>) = 0 [pid 27649] rt_sigprocmask(SIG_SETMASK, [], [pid 27647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27646] setpgid(0, 0 [pid 27643] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27640] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27651] <... set_robust_list resumed>) = 0 [pid 27650] rt_sigprocmask(SIG_SETMASK, [], [pid 27649] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27647] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27646] <... setpgid resumed>) = 0 [pid 27651] rt_sigprocmask(SIG_SETMASK, [], [pid 27650] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27649] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27647] <... openat resumed>) = 3 [pid 27640] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27649] <... openat resumed>) = 3 [pid 27647] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 27652 attached [pid 27651] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27650] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27649] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27647] <... futex resumed>) = 1 [pid 27646] <... openat resumed>) = 3 [pid 27645] <... futex resumed>) = 0 [pid 27640] <... clone3 resumed> => {parent_tid=[27652]}, 88) = 27652 [pid 27651] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27650] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27649] <... futex resumed>) = 1 [pid 27648] <... futex resumed>) = 0 [pid 27647] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27646] write(3, "1000", 4 [pid 27645] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27640] rt_sigprocmask(SIG_SETMASK, [], [pid 27652] set_robust_list(0x7f02635ab9a0, 24 [pid 27651] <... openat resumed>) = 3 [pid 27650] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27649] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27648] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27646] <... write resumed>) = 4 [pid 27645] <... futex resumed>) = 0 [pid 27640] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27652] <... set_robust_list resumed>) = 0 [pid 27649] <... write resumed>) = 9 [pid 27648] <... futex resumed>) = 0 [pid 27647] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27646] close(3 [pid 27645] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27640] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27651] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27649] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27648] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27647] <... write resumed>) = 9 [pid 27646] <... close resumed>) = 0 [pid 27640] <... futex resumed>) = 0 [pid 27631] <... futex resumed>) = 0 [pid 27649] <... futex resumed>) = 0 [pid 27648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27647] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27646] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27640] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27631] exit_group(0 [pid 27649] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27648] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27647] <... futex resumed>) = 1 [pid 27646] <... futex resumed>) = 0 [pid 27645] <... futex resumed>) = 0 [pid 27641] <... futex resumed>) = ? [pid 27631] <... exit_group resumed>) = ? [pid 27652] rt_sigprocmask(SIG_SETMASK, [], [pid 27651] <... futex resumed>) = 1 [pid 27650] <... futex resumed>) = ? [pid 27649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27648] <... futex resumed>) = 0 [pid 27647] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27646] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27645] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27643] <... futex resumed>) = 0 [pid 27641] +++ exited with 0 +++ [pid 27652] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27651] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27649] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27648] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27646] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27645] <... futex resumed>) = 0 [pid 27643] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27649] <... write resumed>) = 10 [pid 27648] <... futex resumed>) = 0 [pid 27647] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27646] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27645] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27650] +++ exited with 0 +++ [pid 27643] <... futex resumed>) = 0 [pid 27631] +++ exited with 0 +++ [pid 27652] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27651] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27649] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27647] <... write resumed>) = 10 [pid 27646] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27645] <... futex resumed>) = 0 [pid 27643] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27631, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27652] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27651] <... write resumed>) = 9 [pid 27649] <... futex resumed>) = 0 [pid 27648] <... mmap resumed>) = 0x7f026358b000 [pid 27647] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27646] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27652] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27651] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27649] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27648] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27647] <... futex resumed>) = 0 [pid 27646] <... mmap resumed>) = 0x7f02635ac000 [pid 27645] <... mmap resumed>) = 0x7f026358b000 [pid 27652] <... futex resumed>) = 1 [pid 27651] <... futex resumed>) = 1 [pid 27648] <... mprotect resumed>) = 0 [pid 27647] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27646] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27645] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27643] <... futex resumed>) = 0 [pid 27640] <... futex resumed>) = 0 [pid 27652] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27651] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27648] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27646] <... mprotect resumed>) = 0 [pid 27645] <... mprotect resumed>) = 0 [pid 27643] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27640] exit_group(0 [pid 27652] <... futex resumed>) = ? [pid 27651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27648] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27646] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27645] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27644] <... futex resumed>) = ? [pid 27643] <... futex resumed>) = 0 [pid 27640] <... exit_group resumed>) = ? [pid 27652] +++ exited with 0 +++ [pid 27651] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27646] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27645] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27644] +++ exited with 0 +++ [pid 27643] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27653 attached [pid 27651] <... write resumed>) = 10 [pid 27646] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27645] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27643] <... futex resumed>) = 0 [pid 27640] +++ exited with 0 +++ [pid 27653] set_robust_list(0x7f02635ab9a0, 24 [pid 27651] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27648] <... clone3 resumed> => {parent_tid=[27653]}, 88) = 27653 [pid 27643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27653] <... set_robust_list resumed>) = 0 [pid 27651] <... futex resumed>) = 0 [pid 27648] rt_sigprocmask(SIG_SETMASK, [], [pid 27646] <... clone3 resumed> => {parent_tid=[27655]}, 88) = 27655 [pid 27645] <... clone3 resumed> => {parent_tid=[27654]}, 88) = 27654 [pid 27643] <... mmap resumed>) = 0x7f026358b000 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27640, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27653] rt_sigprocmask(SIG_SETMASK, [], [pid 27651] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27646] rt_sigprocmask(SIG_SETMASK, [], [pid 27645] rt_sigprocmask(SIG_SETMASK, [], [pid 27643] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 27653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27648] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27645] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27643] <... mprotect resumed>) = 0 [pid 27653] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27648] <... futex resumed>) = 0 [pid 27646] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27645] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27643] rt_sigprocmask(SIG_BLOCK, ~[], [pid 299] <... restart_syscall resumed>) = 0 [pid 27653] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27648] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27646] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27645] <... futex resumed>) = 0 [pid 27643] <... rt_sigprocmask resumed>[], 8) = 0 [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27656 [pid 27653] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27646] <... futex resumed>) = 0 [pid 27645] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27643] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27653] <... futex resumed>) = 1 [pid 27648] <... futex resumed>) = 0 [pid 27646] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27653] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27648] exit_group(0 [pid 27643] <... clone3 resumed> => {parent_tid=[27657]}, 88) = 27657 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27656 attached [pid 27653] <... futex resumed>) = ? [pid 27649] <... futex resumed>) = ? [pid 27648] <... exit_group resumed>) = ? [pid 27643] rt_sigprocmask(SIG_SETMASK, [], [pid 27653] +++ exited with 0 +++ [pid 27643] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27643] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27643] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27658 attached [pid 27658] set_robust_list(0x555555eba6a0, 24) = 0 [pid 27658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 27658] setpgid(0, 0) = 0 [pid 27658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27649] +++ exited with 0 +++ [pid 27648] +++ exited with 0 +++ [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27658 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27648, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27657 attached ./strace-static-x86_64: Process 27655 attached ./strace-static-x86_64: Process 27654 attached [pid 27656] set_robust_list(0x555555eba6a0, 24 [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27659 [pid 27656] <... set_robust_list resumed>) = 0 [pid 27655] set_robust_list(0x7f02635cc9a0, 24 [pid 27657] set_robust_list(0x7f02635ab9a0, 24 [pid 27654] set_robust_list(0x7f02635ab9a0, 24 [pid 27658] <... openat resumed>) = 3 ./strace-static-x86_64: Process 27659 attached [pid 27659] set_robust_list(0x555555eba6a0, 24 [pid 27656] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27659] <... set_robust_list resumed>) = 0 [pid 27659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 27659] setpgid(0, 0) = 0 [pid 27656] <... prctl resumed>) = 0 [pid 27656] setpgid(0, 0) = 0 [pid 27656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27656] <... openat resumed>) = 3 [pid 27659] <... openat resumed>) = 3 [pid 27659] write(3, "1000", 4) = 4 [pid 27659] close(3) = 0 [pid 27659] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27656] write(3, "1000", 4 [pid 27655] <... set_robust_list resumed>) = 0 [pid 27654] <... set_robust_list resumed>) = 0 [pid 27656] <... write resumed>) = 4 [pid 27655] rt_sigprocmask(SIG_SETMASK, [], [pid 27654] rt_sigprocmask(SIG_SETMASK, [], [pid 27656] close(3 [pid 27655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27654] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27656] <... close resumed>) = 0 [pid 27654] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27656] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27655] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27654] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27656] <... futex resumed>) = 0 [pid 27659] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27656] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27654] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27655] <... openat resumed>) = 3 [pid 27659] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27659] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 27659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f02635ac000 [pid 27656] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27658] write(3, "1000", 4 [pid 27657] <... set_robust_list resumed>) = 0 [pid 27655] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27654] <... futex resumed>) = 1 [pid 27645] <... futex resumed>) = 0 [pid 27656] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27645] exit_group(0 [pid 27658] <... write resumed>) = 4 [pid 27657] rt_sigprocmask(SIG_SETMASK, [], [pid 27656] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27655] <... futex resumed>) = 1 [pid 27647] <... futex resumed>) = ? [pid 27646] <... futex resumed>) = 0 [pid 27645] <... exit_group resumed>) = ? [pid 27658] close(3 [pid 27657] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27655] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27647] +++ exited with 0 +++ [pid 27646] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27656] <... mmap resumed>) = 0x7f02635ac000 [pid 27655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27657] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27656] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27658] <... close resumed>) = 0 [pid 27655] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27646] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27656] <... mprotect resumed>) = 0 [pid 27657] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27655] <... write resumed>) = 9 [pid 27659] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27658] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27657] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27656] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27655] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27654] +++ exited with 0 +++ [pid 27645] +++ exited with 0 +++ [pid 27658] <... futex resumed>) = 0 [pid 27657] <... futex resumed>) = 1 [pid 27656] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27655] <... futex resumed>) = 1 [pid 27646] <... futex resumed>) = 0 [pid 27643] <... futex resumed>) = 0 [pid 27658] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27657] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27655] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27646] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27643] exit_group(0 [pid 27659] <... mprotect resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27645, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27659] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27658] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27657] <... futex resumed>) = ? [pid 27655] <... write resumed>) = 10 [pid 27651] <... futex resumed>) = ? [pid 27646] <... futex resumed>) = 0 [pid 27643] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 27660 attached [pid 27659] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27658] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27657] +++ exited with 0 +++ [pid 27656] <... clone3 resumed> => {parent_tid=[27660]}, 88) = 27660 [pid 27655] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27651] +++ exited with 0 +++ [pid 27646] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27660] set_robust_list(0x7f02635cc9a0, 24 [pid 27659] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27656] rt_sigprocmask(SIG_SETMASK, [], [pid 27655] <... futex resumed>) = 0 [pid 27646] <... futex resumed>) = 0 [pid 27643] +++ exited with 0 +++ [pid 27658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27656] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27655] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27646] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27643, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27658] <... mmap resumed>) = 0x7f02635ac000 [pid 27656] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27655] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27658] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27656] <... futex resumed>) = 0 [pid 27655] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27656] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27659] <... clone3 resumed> => {parent_tid=[27661]}, 88) = 27661 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27655] <... futex resumed>) = 1 [pid 27646] <... futex resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27659] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27659] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27659] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27661 attached [pid 27661] set_robust_list(0x7f02635cc9a0, 24 [pid 27646] exit_group(0 [pid 27661] <... set_robust_list resumed>) = 0 [pid 27661] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27661] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW) = 3 [pid 27661] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27646] <... exit_group resumed>) = ? [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27662 [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27663 [pid 27659] <... futex resumed>) = 0 [pid 27659] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27659] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27661] <... futex resumed>) = 1 [pid 27661] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9) = 9 [pid 27661] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27659] <... futex resumed>) = 0 [pid 27655] +++ exited with 0 +++ [pid 27646] +++ exited with 0 +++ [pid 27659] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27658] <... mprotect resumed>) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27646, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27659] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 27659] <... futex resumed>) = 0 [pid 27659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 27659] <... mmap resumed>) = 0x7f026358b000 [pid 27658] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27659] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27658] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27659] <... mprotect resumed>) = 0 [pid 27658] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27659] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27659] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27659] <... clone3 resumed> => {parent_tid=[27665]}, 88) = 27665 [pid 27659] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27659] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27659] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27661] <... futex resumed>) = 1 [pid 27661] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10) = 10 [pid 27661] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27658] <... clone3 resumed> => {parent_tid=[27664]}, 88) = 27664 [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27666 [pid 27658] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27658] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27658] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27661] <... futex resumed>) = 0 [pid 27660] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 27666 attached [pid 27661] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 27662 attached [pid 27662] set_robust_list(0x555555eba6a0, 24) = 0 [pid 27662] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27660] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 27663 attached NULL, 8) = 0 [pid 27663] set_robust_list(0x555555eba6a0, 24 [pid 27660] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27662] <... prctl resumed>) = 0 [pid 27660] <... openat resumed>) = 3 [pid 27662] setpgid(0, 0 [pid 27660] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27666] set_robust_list(0x555555eba6a0, 24 [pid 27663] <... set_robust_list resumed>) = 0 [pid 27663] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27662] <... setpgid resumed>) = 0 [pid 27662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27660] <... futex resumed>) = 1 [pid 27656] <... futex resumed>) = 0 [pid 27663] <... prctl resumed>) = 0 [pid 27663] setpgid(0, 0 [pid 27656] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27660] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27656] <... futex resumed>) = 0 [pid 27660] <... write resumed>) = 9 [pid 27656] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27663] <... setpgid resumed>) = 0 [pid 27662] <... openat resumed>) = 3 [pid 27660] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27665 attached ./strace-static-x86_64: Process 27664 attached [pid 27666] <... set_robust_list resumed>) = 0 [pid 27663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27662] write(3, "1000", 4 [pid 27660] <... futex resumed>) = 1 [pid 27656] <... futex resumed>) = 0 [pid 27663] <... openat resumed>) = 3 [pid 27662] <... write resumed>) = 4 [pid 27660] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27656] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27663] write(3, "1000", 4 [pid 27662] close(3 [pid 27660] <... write resumed>) = 10 [pid 27656] <... futex resumed>) = 0 [pid 27663] <... write resumed>) = 4 [pid 27662] <... close resumed>) = 0 [pid 27660] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27656] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27663] close(3 [pid 27662] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27656] <... futex resumed>) = 0 [pid 27660] <... futex resumed>) = 0 [pid 27656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27663] <... close resumed>) = 0 [pid 27662] <... futex resumed>) = 0 [pid 27656] <... mmap resumed>) = 0x7f026358b000 [pid 27660] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27663] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27662] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27656] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27663] <... futex resumed>) = 0 [pid 27662] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27663] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27662] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27656] <... mprotect resumed>) = 0 [pid 27666] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27663] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27656] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27666] <... prctl resumed>) = 0 [pid 27663] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27656] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27666] setpgid(0, 0 [pid 27663] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27662] <... mmap resumed>) = 0x7f02635ac000 [pid 27656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27662] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27663] <... mmap resumed>) = 0x7f02635ac000 [pid 27662] <... mprotect resumed>) = 0 [pid 27666] <... setpgid resumed>) = 0 [pid 27656] <... clone3 resumed> => {parent_tid=[27667]}, 88) = 27667 [pid 27656] rt_sigprocmask(SIG_SETMASK, [], [pid 27666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27663] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27662] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27656] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27665] set_robust_list(0x7f02635ab9a0, 24 [pid 27663] <... mprotect resumed>) = 0 [pid 27662] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27656] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27666] <... openat resumed>) = 3 ./strace-static-x86_64: Process 27667 attached [pid 27665] <... set_robust_list resumed>) = 0 [pid 27664] set_robust_list(0x7f02635cc9a0, 24 [pid 27663] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27656] <... futex resumed>) = 0 [pid 27665] rt_sigprocmask(SIG_SETMASK, [], [pid 27666] write(3, "1000", 4 [pid 27663] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27656] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27665] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27663] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27662] <... clone3 resumed> => {parent_tid=[27668]}, 88) = 27668 [pid 27666] <... write resumed>) = 4 [pid 27665] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27662] rt_sigprocmask(SIG_SETMASK, [], [pid 27666] close(3 [pid 27665] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27664] <... set_robust_list resumed>) = 0 [pid 27663] <... clone3 resumed> => {parent_tid=[27669]}, 88) = 27669 [pid 27662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27665] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27663] rt_sigprocmask(SIG_SETMASK, [], [pid 27662] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27666] <... close resumed>) = 0 [pid 27665] <... futex resumed>) = 1 [pid 27664] rt_sigprocmask(SIG_SETMASK, [], [pid 27663] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27662] <... futex resumed>) = 0 [pid 27659] <... futex resumed>) = 0 [pid 27665] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27663] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27662] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27659] exit_group(0 [pid 27666] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27665] <... futex resumed>) = ? [pid 27664] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27663] <... futex resumed>) = 0 [pid 27661] <... futex resumed>) = ? [pid 27659] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 27669 attached ./strace-static-x86_64: Process 27668 attached [pid 27667] set_robust_list(0x7f02635ab9a0, 24 [pid 27666] <... futex resumed>) = 0 [pid 27665] +++ exited with 0 +++ [pid 27664] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27663] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27661] +++ exited with 0 +++ [pid 27659] +++ exited with 0 +++ [pid 27667] <... set_robust_list resumed>) = 0 [pid 27666] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27664] <... openat resumed>) = 3 [pid 27667] rt_sigprocmask(SIG_SETMASK, [], [pid 27666] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27664] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27659, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27667] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27666] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27664] <... futex resumed>) = 1 [pid 27658] <... futex resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27669] set_robust_list(0x7f02635cc9a0, 24 [pid 27668] set_robust_list(0x7f02635cc9a0, 24 [pid 27667] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27664] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27658] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27670 attached [pid 27667] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27664] <... write resumed>) = 9 [pid 27658] <... futex resumed>) = 0 [pid 27670] set_robust_list(0x555555eba6a0, 24 [pid 27666] <... mmap resumed>) = 0x7f02635ac000 [pid 27658] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27664] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27667] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27670 [pid 27670] <... set_robust_list resumed>) = 0 [pid 27667] <... futex resumed>) = 1 [pid 27666] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27664] <... futex resumed>) = 0 [pid 27658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27656] <... futex resumed>) = 0 [pid 27670] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27667] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27666] <... mprotect resumed>) = 0 [pid 27664] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27658] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27656] exit_group(0 [pid 27670] <... prctl resumed>) = 0 [pid 27670] setpgid(0, 0) = 0 [pid 27666] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27664] <... write resumed>) = 10 [pid 27660] <... futex resumed>) = ? [pid 27658] <... futex resumed>) = 0 [pid 27666] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27656] <... exit_group resumed>) = ? [pid 27667] <... futex resumed>) = ? [pid 27670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27664] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27660] +++ exited with 0 +++ [pid 27670] <... openat resumed>) = 3 [pid 27666] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27664] <... futex resumed>) = 0 [pid 27658] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27670] write(3, "1000", 4 [pid 27658] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27670] <... write resumed>) = 4 [pid 27666] <... clone3 resumed> => {parent_tid=[27671]}, 88) = 27671 [pid 27664] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27670] close(3) = 0 [pid 27670] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27667] +++ exited with 0 +++ [pid 27656] +++ exited with 0 +++ [pid 27666] rt_sigprocmask(SIG_SETMASK, [], [pid 27664] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27664] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27656, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27666] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27664] <... futex resumed>) = 1 [pid 27658] <... futex resumed>) = 0 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 27666] <... futex resumed>) = 0 [pid 27664] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27658] exit_group(0 [pid 27666] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27658] <... exit_group resumed>) = ? [pid 295] <... restart_syscall resumed>) = 0 [pid 27664] <... futex resumed>) = ? [pid 27670] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, NULL, 8) = 0 [pid 27670] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 27670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f02635ac000 [pid 27670] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 27671 attached [pid 27670] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27671] set_robust_list(0x7f02635cc9a0, 24 [pid 27670] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27671] <... set_robust_list resumed>) = 0 [pid 27670] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27664] +++ exited with 0 +++ [pid 27658] +++ exited with 0 +++ [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27671] rt_sigprocmask(SIG_SETMASK, [], [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27658, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27671] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27670] <... clone3 resumed> => {parent_tid=[27672]}, 88) = 27672 [pid 27671] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27670] rt_sigprocmask(SIG_SETMASK, [], [pid 27671] <... openat resumed>) = 3 [pid 27670] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27671] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27670] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 27671] <... futex resumed>) = 1 [pid 27670] <... futex resumed>) = 0 [pid 27666] <... futex resumed>) = 0 [pid 27671] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27670] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27666] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... restart_syscall resumed>) = 0 [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27673 [pid 27671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27666] <... futex resumed>) = 0 [pid 27671] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27666] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27671] <... write resumed>) = 9 [pid 27671] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27671] <... futex resumed>) = 1 [pid 27671] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 27672 attached [pid 27672] set_robust_list(0x7f02635cc9a0, 24) = 0 [pid 27672] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27672] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW) = 3 [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27674 [pid 27666] <... futex resumed>) = 0 [pid 27666] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27671] <... futex resumed>) = 0 [pid 27666] <... futex resumed>) = 1 [pid 27666] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27671] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27666] <... futex resumed>) = 0 [pid 27671] <... write resumed>) = 10 [pid 27666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27671] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27668] <... set_robust_list resumed>) = 0 [pid 27671] <... futex resumed>) = 0 [pid 27671] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27666] <... mmap resumed>) = 0x7f026358b000 [pid 27668] rt_sigprocmask(SIG_SETMASK, [], [pid 27666] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27672] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27670] <... futex resumed>) = 0 [pid 27670] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27666] <... mprotect resumed>) = 0 [pid 27670] <... futex resumed>) = 0 [pid 27670] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27666] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27672] <... futex resumed>) = 1 [pid 27672] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27666] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27666] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27668] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27666] <... clone3 resumed> => {parent_tid=[27675]}, 88) = 27675 [pid 27668] <... openat resumed>) = 3 [pid 27666] rt_sigprocmask(SIG_SETMASK, [], [pid 27672] <... write resumed>) = 9 [pid 27672] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27668] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27672] <... futex resumed>) = 1 [pid 27670] <... futex resumed>) = 0 [pid 27668] <... futex resumed>) = 1 [pid 27666] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27662] <... futex resumed>) = 0 [pid 27672] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27670] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27668] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27666] <... futex resumed>) = 0 [pid 27662] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27672] <... write resumed>) = 10 [pid 27670] <... futex resumed>) = 0 [pid 27668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27666] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27662] <... futex resumed>) = 0 [pid 27672] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27670] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27668] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27662] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27672] <... futex resumed>) = 0 [pid 27670] <... futex resumed>) = 0 [pid 27668] <... write resumed>) = 9 [pid 27672] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f026358b000 [pid 27669] <... set_robust_list resumed>) = 0 [pid 27668] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27670] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27669] rt_sigprocmask(SIG_SETMASK, [], [pid 27668] <... futex resumed>) = 1 [pid 27662] <... futex resumed>) = 0 [pid 27670] <... mprotect resumed>) = 0 [pid 27669] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27668] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27662] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27674 attached ./strace-static-x86_64: Process 27673 attached [pid 27670] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27669] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27668] <... write resumed>) = 10 [pid 27662] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27675 attached [pid 27674] set_robust_list(0x555555eba6a0, 24 [pid 27670] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27662] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27674] <... set_robust_list resumed>) = 0 [pid 27670] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27669] <... openat resumed>) = 3 [pid 27668] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27662] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27676 attached [pid 27675] set_robust_list(0x7f02635ab9a0, 24 [pid 27674] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27673] set_robust_list(0x555555eba6a0, 24 [pid 27662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27676] set_robust_list(0x7f02635ab9a0, 24 [pid 27674] <... prctl resumed>) = 0 [pid 27670] <... clone3 resumed> => {parent_tid=[27676]}, 88) = 27676 [pid 27669] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27668] <... futex resumed>) = 0 [pid 27662] <... mmap resumed>) = 0x7f026358b000 [pid 27676] <... set_robust_list resumed>) = 0 [pid 27675] <... set_robust_list resumed>) = 0 [pid 27674] setpgid(0, 0 [pid 27670] rt_sigprocmask(SIG_SETMASK, [], [pid 27669] <... futex resumed>) = 1 [pid 27668] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27663] <... futex resumed>) = 0 [pid 27662] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27676] rt_sigprocmask(SIG_SETMASK, [], [pid 27674] <... setpgid resumed>) = 0 [pid 27670] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27669] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27663] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27662] <... mprotect resumed>) = 0 [pid 27675] rt_sigprocmask(SIG_SETMASK, [], [pid 27673] <... set_robust_list resumed>) = 0 [pid 27676] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27675] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27670] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27669] <... write resumed>) = 9 [pid 27663] <... futex resumed>) = 0 [pid 27662] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27676] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27675] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27674] <... openat resumed>) = 3 [pid 27673] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27670] <... futex resumed>) = 0 [pid 27669] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27663] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27662] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27676] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27675] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27674] write(3, "1000", 4 [pid 27673] <... prctl resumed>) = 0 [pid 27670] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27669] <... futex resumed>) = 0 [pid 27663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27676] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27675] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27674] <... write resumed>) = 4 [pid 27673] setpgid(0, 0 [pid 27670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27669] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27663] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27677 attached [pid 27676] <... futex resumed>) = 0 [pid 27675] <... futex resumed>) = 1 [pid 27674] close(3 [pid 27673] <... setpgid resumed>) = 0 [pid 27670] exit_group(0 [pid 27669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27666] <... futex resumed>) = 0 [pid 27663] <... futex resumed>) = 0 [pid 27662] <... clone3 resumed> => {parent_tid=[27677]}, 88) = 27677 [pid 27677] set_robust_list(0x7f02635ab9a0, 24 [pid 27675] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27674] <... close resumed>) = 0 [pid 27672] <... futex resumed>) = ? [pid 27670] <... exit_group resumed>) = ? [pid 27663] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27662] rt_sigprocmask(SIG_SETMASK, [], [pid 27673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27677] <... set_robust_list resumed>) = 0 [pid 27676] +++ exited with 0 +++ [pid 27674] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27672] +++ exited with 0 +++ [pid 27670] +++ exited with 0 +++ [pid 27669] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27666] exit_group(0 [pid 27663] <... futex resumed>) = 0 [pid 27662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27674] <... futex resumed>) = 0 [pid 27673] <... openat resumed>) = 3 [pid 27671] <... futex resumed>) = ? [pid 27669] <... write resumed>) = 10 [pid 27666] <... exit_group resumed>) = ? [pid 27675] <... futex resumed>) = ? [pid 27663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27662] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27670, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27677] rt_sigprocmask(SIG_SETMASK, [], [pid 27674] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27673] write(3, "1000", 4 [pid 27671] +++ exited with 0 +++ [pid 27669] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27663] <... mmap resumed>) = 0x7f026358b000 [pid 27662] <... futex resumed>) = 0 [pid 27674] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27663] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27662] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27674] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27663] <... mprotect resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27677] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27675] +++ exited with 0 +++ [pid 27674] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27673] <... write resumed>) = 4 [pid 27669] <... futex resumed>) = 0 [pid 27666] +++ exited with 0 +++ [pid 27663] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 27678 attached [pid 27674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27673] close(3 [pid 27669] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27663] <... rt_sigprocmask resumed>[], 8) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27666, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27678] set_robust_list(0x555555eba6a0, 24 [pid 27674] <... mmap resumed>) = 0x7f02635ac000 [pid 27673] <... close resumed>) = 0 [pid 27663] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27678 [pid 27678] <... set_robust_list resumed>) = 0 [pid 27674] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27673] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 27678] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27674] <... mprotect resumed>) = 0 [pid 27673] <... futex resumed>) = 0 [pid 27663] <... clone3 resumed> => {parent_tid=[27679]}, 88) = 27679 [pid 296] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 27679 attached [pid 27678] <... prctl resumed>) = 0 [pid 27677] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27674] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27673] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27663] rt_sigprocmask(SIG_SETMASK, [], [pid 27678] setpgid(0, 0 [pid 27674] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27663] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27673] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27678] <... setpgid resumed>) = 0 [pid 27677] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27674] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27663] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27673] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27663] <... futex resumed>) = 0 [pid 27678] <... openat resumed>) = 3 [pid 27674] <... clone3 resumed> => {parent_tid=[27680]}, 88) = 27680 [pid 27663] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27678] write(3, "1000", 4 [pid 27674] rt_sigprocmask(SIG_SETMASK, [], [pid 27678] <... write resumed>) = 4 [pid 27674] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27678] close(3 [pid 27674] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27678] <... close resumed>) = 0 [pid 27674] <... futex resumed>) = 0 [pid 27678] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27674] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27678] <... futex resumed>) = 0 [pid 27678] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, NULL, 8) = 0 [pid 27678] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 27673] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27677] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f02635ac000 [pid 27673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27678] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27678] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27673] <... mmap resumed>) = 0x7f02635ac000 [pid 27677] <... futex resumed>) = 1 [pid 27662] <... futex resumed>) = 0 [pid 27678] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27673] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27662] exit_group(0 [pid 27668] <... futex resumed>) = ? [pid 27662] <... exit_group resumed>) = ? [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27681 [pid 27678] <... clone3 resumed> => {parent_tid=[27682]}, 88) = 27682 [pid 27673] <... mprotect resumed>) = 0 [pid 27668] +++ exited with 0 +++ [pid 27679] set_robust_list(0x7f02635ab9a0, 24 [pid 27678] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27673] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27678] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27673] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27678] <... futex resumed>) = 0 [pid 27673] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27678] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27673] <... clone3 resumed> => {parent_tid=[27683]}, 88) = 27683 ./strace-static-x86_64: Process 27680 attached [pid 27673] rt_sigprocmask(SIG_SETMASK, [], [pid 27680] set_robust_list(0x7f02635cc9a0, 24 [pid 27673] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27680] <... set_robust_list resumed>) = 0 [pid 27673] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27680] rt_sigprocmask(SIG_SETMASK, [], [pid 27673] <... futex resumed>) = 0 [pid 27680] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27673] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27677] +++ exited with 0 +++ [pid 27662] +++ exited with 0 +++ [pid 27680] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27662, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 27683 attached [pid 27680] <... openat resumed>) = 3 [pid 27679] <... set_robust_list resumed>) = 0 [pid 298] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 27681 attached [pid 27680] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... restart_syscall resumed>) = 0 [pid 27681] set_robust_list(0x555555eba6a0, 24 [pid 27680] <... futex resumed>) = 1 [pid 27674] <... futex resumed>) = 0 [pid 27683] set_robust_list(0x7f02635cc9a0, 24 [pid 27681] <... set_robust_list resumed>) = 0 [pid 27680] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27679] rt_sigprocmask(SIG_SETMASK, [], [pid 27674] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27683] <... set_robust_list resumed>) = 0 [pid 27681] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27680] <... write resumed>) = 9 [pid 27679] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27674] <... futex resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27682 attached [pid 27683] rt_sigprocmask(SIG_SETMASK, [], [pid 27681] <... prctl resumed>) = 0 [pid 27680] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27679] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27674] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27682] set_robust_list(0x7f02635cc9a0, 24 [pid 27681] setpgid(0, 0 [pid 27680] <... futex resumed>) = 0 [pid 27683] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27679] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27684 ./strace-static-x86_64: Process 27684 attached [pid 27682] <... set_robust_list resumed>) = 0 [pid 27681] <... setpgid resumed>) = 0 [pid 27680] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27674] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27682] rt_sigprocmask(SIG_SETMASK, [], [pid 27681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27679] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27674] <... futex resumed>) = 0 [pid 27683] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27682] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27681] <... openat resumed>) = 3 [pid 27680] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27679] <... futex resumed>) = 1 [pid 27674] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27663] <... futex resumed>) = 0 [pid 27682] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27681] write(3, "1000", 4 [pid 27680] <... write resumed>) = 10 [pid 27674] <... futex resumed>) = 0 [pid 27663] exit_group(0 [pid 27682] <... openat resumed>) = 3 [pid 27681] <... write resumed>) = 4 [pid 27680] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27682] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27681] close(3 [pid 27680] <... futex resumed>) = 0 [pid 27674] <... mmap resumed>) = 0x7f026358b000 [pid 27669] <... futex resumed>) = ? [pid 27663] <... exit_group resumed>) = ? [pid 27682] <... futex resumed>) = 1 [pid 27681] <... close resumed>) = 0 [pid 27680] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27678] <... futex resumed>) = 0 [pid 27674] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27669] +++ exited with 0 +++ [pid 27682] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27681] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27678] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27674] <... mprotect resumed>) = 0 [pid 27682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27681] <... futex resumed>) = 0 [pid 27678] <... futex resumed>) = 0 [pid 27674] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27682] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27681] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27678] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27674] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27682] <... write resumed>) = 9 [pid 27681] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27674] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27682] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27681] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27682] <... futex resumed>) = 1 [pid 27681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27678] <... futex resumed>) = 0 [pid 27674] <... clone3 resumed> => {parent_tid=[27685]}, 88) = 27685 [pid 27682] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27679] +++ exited with 0 +++ [pid 27678] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27674] rt_sigprocmask(SIG_SETMASK, [], [pid 27663] +++ exited with 0 +++ [pid 27682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27681] <... mmap resumed>) = 0x7f02635ac000 [pid 27678] <... futex resumed>) = 0 [pid 27674] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27682] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27681] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27678] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27674] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27663, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27682] <... write resumed>) = 10 [pid 27681] <... mprotect resumed>) = 0 [pid 27678] <... futex resumed>) = 0 [pid 27674] <... futex resumed>) = 0 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 27684] set_robust_list(0x555555eba6a0, 24 [pid 27683] <... openat resumed>) = 3 [pid 27682] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27681] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27674] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27682] <... futex resumed>) = 0 [pid 27681] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27678] <... mmap resumed>) = 0x7f026358b000 [pid 297] <... restart_syscall resumed>) = 0 [pid 27682] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27681] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27678] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27683] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27684] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 27686 attached ./strace-static-x86_64: Process 27685 attached [pid 27678] <... mprotect resumed>) = 0 [pid 27686] set_robust_list(0x7f02635cc9a0, 24 [pid 27681] <... clone3 resumed> => {parent_tid=[27686]}, 88) = 27686 [pid 27678] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27673] <... futex resumed>) = 0 [pid 27686] <... set_robust_list resumed>) = 0 [pid 27683] <... futex resumed>) = 1 [pid 27681] rt_sigprocmask(SIG_SETMASK, [], [pid 27678] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27686] rt_sigprocmask(SIG_SETMASK, [], [pid 27681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27678] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27686] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27681] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27673] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27686] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27681] <... futex resumed>) = 0 [pid 27678] <... clone3 resumed> => {parent_tid=[27687]}, 88) = 27687 [pid 27686] <... openat resumed>) = 3 [pid 27681] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27678] rt_sigprocmask(SIG_SETMASK, [], [pid 27673] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27687 attached [pid 27686] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27683] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27678] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27673] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27684] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27688 [pid 27685] set_robust_list(0x7f02635ab9a0, 24 [pid 27686] <... futex resumed>) = 0 [pid 27681] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27678] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27686] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27681] <... futex resumed>) = 0 [pid 27678] <... futex resumed>) = 0 [pid 27686] <... write resumed>) = 9 [pid 27681] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27678] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27686] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 27681] <... futex resumed>) = 0 [pid 27686] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27681] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27686] <... write resumed>) = 10 [pid 27681] <... futex resumed>) = 0 [pid 27686] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27684] <... prctl resumed>) = 0 [pid 27683] <... write resumed>) = 9 [pid 27681] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27686] <... futex resumed>) = 0 [pid 27681] <... futex resumed>) = 0 [pid 27686] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27685] <... set_robust_list resumed>) = 0 [pid 27684] setpgid(0, 0 [pid 27683] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27681] <... mmap resumed>) = 0x7f026358b000 [pid 27687] set_robust_list(0x7f02635ab9a0, 24./strace-static-x86_64: Process 27688 attached [pid 27685] rt_sigprocmask(SIG_SETMASK, [], [pid 27684] <... setpgid resumed>) = 0 [pid 27681] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27683] <... futex resumed>) = 1 [pid 27681] <... mprotect resumed>) = 0 [pid 27673] <... futex resumed>) = 0 [pid 27685] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27683] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27681] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27681] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27673] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27684] <... openat resumed>) = 3 [pid 27683] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27681] <... clone3 resumed> => {parent_tid=[27689]}, 88) = 27689 [pid 27685] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27681] rt_sigprocmask(SIG_SETMASK, [], [pid 27673] <... futex resumed>) = 0 [pid 27681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27681] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27685] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27684] write(3, "1000", 4 [pid 27683] <... write resumed>) = 10 [pid 27681] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27673] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27687] <... set_robust_list resumed>) = 0 [pid 27685] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27684] <... write resumed>) = 4 [pid 27683] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27673] <... futex resumed>) = 0 [pid 27685] <... futex resumed>) = 1 [pid 27684] close(3 [pid 27683] <... futex resumed>) = 0 [pid 27674] <... futex resumed>) = 0 [pid 27673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27685] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27684] <... close resumed>) = 0 [pid 27683] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27674] exit_group(0 [pid 27673] <... mmap resumed>) = 0x7f026358b000 [pid 27685] <... futex resumed>) = ? [pid 27684] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27680] <... futex resumed>) = ? [pid 27674] <... exit_group resumed>) = ? [pid 27673] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27684] <... futex resumed>) = 0 [pid 27680] +++ exited with 0 +++ ./strace-static-x86_64: Process 27689 attached [pid 27689] set_robust_list(0x7f02635ab9a0, 24) = 0 [pid 27689] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27689] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10) = -1 EINVAL (Invalid argument) [pid 27689] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27685] +++ exited with 0 +++ [pid 27681] <... futex resumed>) = 0 [pid 27674] +++ exited with 0 +++ [pid 27681] exit_group(0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27674, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27686] <... futex resumed>) = ? [pid 27684] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27681] <... exit_group resumed>) = ? [pid 27673] <... mprotect resumed>) = 0 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 27687] rt_sigprocmask(SIG_SETMASK, [], [pid 27686] +++ exited with 0 +++ [pid 27684] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27673] rt_sigprocmask(SIG_BLOCK, ~[], [pid 299] <... restart_syscall resumed>) = 0 [pid 27684] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27673] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27687] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27688] set_robust_list(0x555555eba6a0, 24 [pid 27684] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27673] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27690 attached ./strace-static-x86_64: Process 27691 attached [pid 27689] <... futex resumed>) = ? [pid 27688] <... set_robust_list resumed>) = 0 [pid 27687] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27684] <... mmap resumed>) = 0x7f02635ac000 [pid 27673] <... clone3 resumed> => {parent_tid=[27690]}, 88) = 27690 [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27691 [pid 27684] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27673] rt_sigprocmask(SIG_SETMASK, [], [pid 27687] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27691] set_robust_list(0x555555eba6a0, 24) = 0 [pid 27691] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27673] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27684] <... mprotect resumed>) = 0 [pid 27673] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27691] <... prctl resumed>) = 0 [pid 27691] setpgid(0, 0 [pid 27673] <... futex resumed>) = 0 [pid 27684] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27673] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27691] <... setpgid resumed>) = 0 [pid 27684] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27687] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27684] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27691] <... openat resumed>) = 3 [pid 27687] <... futex resumed>) = 1 [pid 27678] <... futex resumed>) = 0 [pid 27691] write(3, "1000", 4 [pid 27687] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27684] <... clone3 resumed> => {parent_tid=[27692]}, 88) = 27692 [pid 27678] exit_group(0 [pid 27691] <... write resumed>) = 4 [pid 27687] <... futex resumed>) = ? [pid 27684] rt_sigprocmask(SIG_SETMASK, [], [pid 27682] <... futex resumed>) = ? [pid 27678] <... exit_group resumed>) = ? [pid 27691] close(3 [pid 27688] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27687] +++ exited with 0 +++ [pid 27684] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27682] +++ exited with 0 +++ [pid 27678] +++ exited with 0 +++ ./strace-static-x86_64: Process 27692 attached [pid 27691] <... close resumed>) = 0 [pid 27689] +++ exited with 0 +++ [pid 27684] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27681] +++ exited with 0 +++ [pid 27688] <... prctl resumed>) = 0 [pid 27690] set_robust_list(0x7f02635ab9a0, 24 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27678, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27691] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27684] <... futex resumed>) = 0 [pid 27691] <... futex resumed>) = 0 [pid 27684] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27681, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27688] setpgid(0, 0 [pid 27690] <... set_robust_list resumed>) = 0 [pid 27692] set_robust_list(0x7f02635cc9a0, 24 [pid 27691] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27693 attached [pid 27692] <... set_robust_list resumed>) = 0 [pid 27691] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27690] rt_sigprocmask(SIG_SETMASK, [], [pid 27688] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 27694 attached [pid 27693] set_robust_list(0x555555eba6a0, 24 [pid 27692] rt_sigprocmask(SIG_SETMASK, [], [pid 27691] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27693 [pid 27694] set_robust_list(0x555555eba6a0, 24 [pid 27693] <... set_robust_list resumed>) = 0 [pid 27691] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27694 [pid 27694] <... set_robust_list resumed>) = 0 [pid 27693] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27691] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27694] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27693] <... prctl resumed>) = 0 [pid 27692] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27691] <... mmap resumed>) = 0x7f02635ac000 [pid 27690] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27688] <... openat resumed>) = 3 [pid 27694] <... prctl resumed>) = 0 [pid 27693] setpgid(0, 0 [pid 27691] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27694] setpgid(0, 0 [pid 27693] <... setpgid resumed>) = 0 [pid 27692] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27691] <... mprotect resumed>) = 0 [pid 27690] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27688] write(3, "1000", 4 [pid 27694] <... setpgid resumed>) = 0 [pid 27693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27691] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27688] <... write resumed>) = 4 [pid 27694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27693] <... openat resumed>) = 3 [pid 27692] <... openat resumed>) = 3 [pid 27691] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27690] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27688] close(3 [pid 27694] <... openat resumed>) = 3 [pid 27693] write(3, "1000", 4 [pid 27692] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27691] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27690] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27688] <... close resumed>) = 0 [pid 27694] write(3, "1000", 4 [pid 27693] <... write resumed>) = 4 [pid 27692] <... futex resumed>) = 1 [pid 27690] <... futex resumed>) = 1 [pid 27688] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27684] <... futex resumed>) = 0 [pid 27673] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27695 attached [pid 27694] <... write resumed>) = 4 [pid 27693] close(3 [pid 27692] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27691] <... clone3 resumed> => {parent_tid=[27695]}, 88) = 27695 [pid 27690] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27688] <... futex resumed>) = 0 [pid 27684] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27673] exit_group(0 [pid 27695] set_robust_list(0x7f02635cc9a0, 24 [pid 27694] close(3 [pid 27693] <... close resumed>) = 0 [pid 27692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27691] rt_sigprocmask(SIG_SETMASK, [], [pid 27690] <... futex resumed>) = ? [pid 27688] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27684] <... futex resumed>) = 0 [pid 27683] <... futex resumed>) = ? [pid 27673] <... exit_group resumed>) = ? [pid 27695] <... set_robust_list resumed>) = 0 [pid 27694] <... close resumed>) = 0 [pid 27693] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27692] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27691] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27690] +++ exited with 0 +++ [pid 27688] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27684] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27683] +++ exited with 0 +++ [pid 27695] rt_sigprocmask(SIG_SETMASK, [], [pid 27694] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27693] <... futex resumed>) = 0 [pid 27692] <... write resumed>) = 9 [pid 27691] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27688] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27673] +++ exited with 0 +++ [pid 27694] <... futex resumed>) = 0 [pid 27693] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27692] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27691] <... futex resumed>) = 0 [pid 27688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27673, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 27694] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27693] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27692] <... futex resumed>) = 1 [pid 27691] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27684] <... futex resumed>) = 0 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 27694] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27693] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27692] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27688] <... mmap resumed>) = 0x7f02635ac000 [pid 27684] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27694] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27688] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27684] <... futex resumed>) = 0 [pid 295] <... restart_syscall resumed>) = 0 [pid 27694] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27692] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27688] <... mprotect resumed>) = 0 [pid 27684] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27693] <... mmap resumed>) = 0x7f02635ac000 [pid 27692] <... write resumed>) = 10 [pid 27688] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27684] <... futex resumed>) = 0 [pid 27694] <... mmap resumed>) = 0x7f02635ac000 [pid 27693] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27692] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27688] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27695] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27694] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27693] <... mprotect resumed>) = 0 [pid 27692] <... futex resumed>) = 0 [pid 27688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27684] <... mmap resumed>) = 0x7f026358b000 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27694] <... mprotect resumed>) = 0 [pid 27693] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27692] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27684] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27688] <... clone3 resumed> => {parent_tid=[27696]}, 88) = 27696 [pid 27684] <... mprotect resumed>) = 0 [pid 27688] rt_sigprocmask(SIG_SETMASK, [], [pid 27684] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27693] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27684] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27694] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27693] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27688] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27684] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27697 [pid 27695] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27694] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27688] <... futex resumed>) = 0 [pid 27694] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27693] <... clone3 resumed> => {parent_tid=[27698]}, 88) = 27698 [pid 27688] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27684] <... clone3 resumed> => {parent_tid=[27699]}, 88) = 27699 [pid 27695] <... openat resumed>) = 3 [pid 27693] rt_sigprocmask(SIG_SETMASK, [], [pid 27684] rt_sigprocmask(SIG_SETMASK, [], [pid 27695] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 27694] <... clone3 resumed> => {parent_tid=[27700]}, 88) = 27700 [pid 27693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27691] <... futex resumed>) = 0 [pid 27684] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27695] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27694] rt_sigprocmask(SIG_SETMASK, [], [pid 27693] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27691] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27684] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27694] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27693] <... futex resumed>) = 0 [pid 27691] <... futex resumed>) = 0 [pid 27684] <... futex resumed>) = 0 [pid 27695] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27694] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27693] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27691] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27684] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27695] <... write resumed>) = 9 [pid 27694] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27698 attached [pid 27694] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27695] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27691] <... futex resumed>) = 0 [pid 27695] <... futex resumed>) = 1 [pid 27691] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27695] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27691] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27695] <... write resumed>) = 10 [pid 27691] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 27697 attached ) = 0x7f026358b000 [pid 27695] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27691] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27697] set_robust_list(0x555555eba6a0, 24 [pid 27695] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27697] <... set_robust_list resumed>) = 0 [pid 27691] <... mprotect resumed>) = 0 [pid 27698] set_robust_list(0x7f02635cc9a0, 24 [pid 27691] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27691] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27697] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27698] <... set_robust_list resumed>) = 0 [pid 27697] <... prctl resumed>) = 0 [pid 27691] <... clone3 resumed> => {parent_tid=[27701]}, 88) = 27701 [pid 27698] rt_sigprocmask(SIG_SETMASK, [], [pid 27691] rt_sigprocmask(SIG_SETMASK, [], [pid 27697] setpgid(0, 0 [pid 27691] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27698] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27697] <... setpgid resumed>) = 0 [pid 27691] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27700 attached ) = 0 ./strace-static-x86_64: Process 27696 attached [pid 27698] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27691] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27700] set_robust_list(0x7f02635cc9a0, 24 [pid 27697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27698] <... openat resumed>) = 3 [pid 27697] <... openat resumed>) = 3 [pid 27696] set_robust_list(0x7f02635cc9a0, 24 [pid 27700] <... set_robust_list resumed>) = 0 [pid 27698] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27697] write(3, "1000", 4 [pid 27696] <... set_robust_list resumed>) = 0 [pid 27700] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 27699 attached NULL, 8) = 0 [pid 27698] <... futex resumed>) = 1 [pid 27697] <... write resumed>) = 4 [pid 27696] rt_sigprocmask(SIG_SETMASK, [], [pid 27693] <... futex resumed>) = 0 [pid 27698] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27697] close(3 [pid 27696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27693] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27700] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27699] set_robust_list(0x7f02635ab9a0, 24 [pid 27697] <... close resumed>) = 0 [pid 27693] <... futex resumed>) = 0 [pid 27700] <... openat resumed>) = 3 [pid 27699] <... set_robust_list resumed>) = 0 [pid 27693] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27697] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27700] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27697] <... futex resumed>) = 0 [pid 27699] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 27701 attached [pid 27698] <... write resumed>) = 9 [pid 27696] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27701] set_robust_list(0x7f02635ab9a0, 24 [pid 27698] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27700] <... futex resumed>) = 1 [pid 27697] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27699] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27696] <... openat resumed>) = 3 [pid 27694] <... futex resumed>) = 0 [pid 27701] <... set_robust_list resumed>) = 0 [pid 27700] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27699] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27698] <... futex resumed>) = 1 [pid 27697] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27694] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27693] <... futex resumed>) = 0 [pid 27696] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27701] rt_sigprocmask(SIG_SETMASK, [], [pid 27700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27699] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27698] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27697] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27694] <... futex resumed>) = 0 [pid 27693] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27688] <... futex resumed>) = 0 [pid 27696] <... futex resumed>) = 1 [pid 27700] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27699] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27697] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27696] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27694] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27693] <... futex resumed>) = 0 [pid 27688] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27701] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27700] <... write resumed>) = 9 [pid 27699] <... futex resumed>) = 1 [pid 27698] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27696] <... write resumed>) = 9 [pid 27693] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27688] <... futex resumed>) = 0 [pid 27684] <... futex resumed>) = 0 [pid 27701] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27700] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27699] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27698] <... write resumed>) = 10 [pid 27697] <... mmap resumed>) = 0x7f02635ac000 [pid 27696] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27693] <... futex resumed>) = 0 [pid 27688] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27684] exit_group(0 [pid 27701] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27700] <... futex resumed>) = 1 [pid 27699] <... futex resumed>) = ? [pid 27698] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27697] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27696] <... futex resumed>) = 0 [pid 27694] <... futex resumed>) = 0 [pid 27693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27692] <... futex resumed>) = ? [pid 27688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27684] <... exit_group resumed>) = ? [pid 27701] <... futex resumed>) = 1 [pid 27700] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27699] +++ exited with 0 +++ [pid 27698] <... futex resumed>) = 0 [pid 27697] <... mprotect resumed>) = 0 [pid 27696] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27694] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27693] <... mmap resumed>) = 0x7f026358b000 [pid 27692] +++ exited with 0 +++ [pid 27691] <... futex resumed>) = 0 [pid 27688] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27701] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27698] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27697] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27696] <... write resumed>) = 10 [pid 27694] <... futex resumed>) = 0 [pid 27693] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27691] exit_group(0 [pid 27684] +++ exited with 0 +++ [pid 27700] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27697] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27696] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27695] <... futex resumed>) = ? [pid 27694] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27693] <... mprotect resumed>) = 0 [pid 27691] <... exit_group resumed>) = ? [pid 27688] <... futex resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27684, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27701] <... futex resumed>) = ? [pid 27700] <... write resumed>) = 10 [pid 27697] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27696] <... futex resumed>) = 0 [pid 27695] +++ exited with 0 +++ [pid 27694] <... futex resumed>) = 0 [pid 27693] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27688] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27700] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27696] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27693] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27688] <... futex resumed>) = 0 [pid 27701] +++ exited with 0 +++ [pid 27700] <... futex resumed>) = 0 [pid 27697] <... clone3 resumed> => {parent_tid=[27702]}, 88) = 27702 [pid 27696] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27694] <... mmap resumed>) = 0x7f026358b000 [pid 27693] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27691] +++ exited with 0 +++ [pid 27688] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27703 attached ./strace-static-x86_64: Process 27702 attached ./strace-static-x86_64: Process 27704 attached [pid 27700] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27697] rt_sigprocmask(SIG_SETMASK, [], [pid 27696] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27694] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27691, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27704] set_robust_list(0x555555eba6a0, 24 [pid 27697] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27694] <... mprotect resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27704 [pid 27704] <... set_robust_list resumed>) = 0 [pid 27697] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27694] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27704] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27703] set_robust_list(0x7f02635ab9a0, 24 [pid 27702] set_robust_list(0x7f02635cc9a0, 24 [pid 27697] <... futex resumed>) = 0 [pid 27696] <... futex resumed>) = 1 [pid 27694] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27693] <... clone3 resumed> => {parent_tid=[27703]}, 88) = 27703 [pid 27688] <... futex resumed>) = 0 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 27704] <... prctl resumed>) = 0 [pid 27697] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27694] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27704] setpgid(0, 0 [pid 27693] rt_sigprocmask(SIG_SETMASK, [], [pid 27688] exit_group(0 [pid 27704] <... setpgid resumed>) = 0 [pid 27694] <... clone3 resumed> => {parent_tid=[27705]}, 88) = 27705 [pid 27693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27688] <... exit_group resumed>) = ? [pid 299] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 27705 attached [pid 27704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27703] <... set_robust_list resumed>) = 0 [pid 27702] <... set_robust_list resumed>) = 0 [pid 27694] rt_sigprocmask(SIG_SETMASK, [], [pid 27704] <... openat resumed>) = 3 [pid 27694] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27704] write(3, "1000", 4 [pid 27694] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27704] <... write resumed>) = 4 [pid 27694] <... futex resumed>) = 0 [pid 27693] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27704] close(3 [pid 27694] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27704] <... close resumed>) = 0 [pid 27704] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27696] +++ exited with 0 +++ [pid 27688] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27688, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27703] rt_sigprocmask(SIG_SETMASK, [], [pid 27704] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27693] <... futex resumed>) = 0 [pid 27704] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27704] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 27704] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f02635ac000 [pid 27704] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27704] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27703] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27693] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27704] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27703] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27704] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27703] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27704] <... clone3 resumed> => {parent_tid=[27706]}, 88) = 27706 [pid 27704] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27703] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27702] rt_sigprocmask(SIG_SETMASK, [], [pid 27705] set_robust_list(0x7f02635ab9a0, 24 [pid 27704] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27704] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27707 attached [pid 27707] set_robust_list(0x555555eba6a0, 24 [pid 27703] <... futex resumed>) = 1 [pid 27707] <... set_robust_list resumed>) = 0 [pid 27707] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27703] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27693] <... futex resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27707 ./strace-static-x86_64: Process 27706 attached [pid 27705] <... set_robust_list resumed>) = 0 [pid 27707] <... prctl resumed>) = 0 [pid 27707] setpgid(0, 0) = 0 [pid 27702] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27693] exit_group(0 [pid 27702] <... openat resumed>) = 3 [pid 27707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27703] <... futex resumed>) = ? [pid 27702] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27698] <... futex resumed>) = ? [pid 27693] <... exit_group resumed>) = ? [pid 27707] <... openat resumed>) = 3 [pid 27707] write(3, "1000", 4 [pid 27698] +++ exited with 0 +++ [pid 27707] <... write resumed>) = 4 [pid 27707] close(3 [pid 27703] +++ exited with 0 +++ [pid 27707] <... close resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27707] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27707] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, NULL, 8) = 0 [pid 27693] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27693, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27707] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 27707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f02635ac000 [pid 27707] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27702] <... futex resumed>) = 1 [pid 27697] <... futex resumed>) = 0 [pid 27697] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27697] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27707] <... mprotect resumed>) = 0 [pid 27702] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27708 [pid 27707] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27702] <... write resumed>) = 9 [pid 27706] set_robust_list(0x7f02635cc9a0, 24 [pid 27705] rt_sigprocmask(SIG_SETMASK, [], [pid 27706] <... set_robust_list resumed>) = 0 [pid 27705] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27702] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27708 attached [pid 27707] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27706] rt_sigprocmask(SIG_SETMASK, [], [pid 27705] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27702] <... futex resumed>) = 1 [pid 27697] <... futex resumed>) = 0 [pid 27707] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27697] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27709 attached [pid 27708] set_robust_list(0x555555eba6a0, 24 [pid 27706] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27705] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27702] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27697] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27710 attached [pid 27709] set_robust_list(0x7f02635cc9a0, 24 [pid 27708] <... set_robust_list resumed>) = 0 [pid 27707] <... clone3 resumed> => {parent_tid=[27709]}, 88) = 27709 [pid 27697] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27710] set_robust_list(0x555555eba6a0, 24 [pid 27707] rt_sigprocmask(SIG_SETMASK, [], [pid 27706] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27705] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27702] <... write resumed>) = 10 [pid 27697] <... futex resumed>) = 0 [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27710 [pid 27710] <... set_robust_list resumed>) = 0 [pid 27707] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27710] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27707] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27706] <... openat resumed>) = 3 [pid 27705] <... futex resumed>) = 1 [pid 27702] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27697] <... mmap resumed>) = 0x7f026358b000 [pid 27694] <... futex resumed>) = 0 [pid 27710] <... prctl resumed>) = 0 [pid 27708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27709] <... set_robust_list resumed>) = 0 [pid 27707] <... futex resumed>) = 0 [pid 27706] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27705] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27702] <... futex resumed>) = 0 [pid 27697] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27694] exit_group(0 [pid 27710] setpgid(0, 0 [pid 27709] rt_sigprocmask(SIG_SETMASK, [], [pid 27708] <... prctl resumed>) = 0 [pid 27707] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27706] <... futex resumed>) = 1 [pid 27705] <... futex resumed>) = ? [pid 27704] <... futex resumed>) = 0 [pid 27702] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27700] <... futex resumed>) = ? [pid 27697] <... mprotect resumed>) = 0 [pid 27694] <... exit_group resumed>) = ? [pid 27710] <... setpgid resumed>) = 0 [pid 27709] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27708] setpgid(0, 0 [pid 27706] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27705] +++ exited with 0 +++ [pid 27704] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27700] +++ exited with 0 +++ [pid 27697] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27709] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27708] <... setpgid resumed>) = 0 [pid 27704] <... futex resumed>) = 0 [pid 27697] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27694] +++ exited with 0 +++ [pid 27710] <... openat resumed>) = 3 [pid 27706] <... write resumed>) = 9 [pid 27704] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27697] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27710] write(3, "1000", 4 [pid 27706] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27694, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27710] <... write resumed>) = 4 [pid 27708] <... openat resumed>) = 3 [pid 27706] <... futex resumed>) = 0 [pid 27704] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27697] <... clone3 resumed> => {parent_tid=[27711]}, 88) = 27711 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 27710] close(3 [pid 27708] write(3, "1000", 4 [pid 27706] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27704] <... futex resumed>) = 0 [pid 27697] rt_sigprocmask(SIG_SETMASK, [], [pid 294] <... restart_syscall resumed>) = 0 [pid 27710] <... close resumed>) = 0 [pid 27708] <... write resumed>) = 4 [pid 27706] <... write resumed>) = 10 [pid 27704] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27697] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27710] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27708] close(3 [pid 27706] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27704] <... futex resumed>) = 0 [pid 27697] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27710] <... futex resumed>) = 0 [pid 27708] <... close resumed>) = 0 [pid 27706] <... futex resumed>) = 0 [pid 27704] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27697] <... futex resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27711 attached [pid 27710] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27709] <... openat resumed>) = 3 [pid 27708] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27706] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27704] <... mmap resumed>) = 0x7f026358b000 [pid 27697] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27712 attached [pid 27710] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27708] <... futex resumed>) = 0 [pid 27704] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27712 [pid 27712] set_robust_list(0x555555eba6a0, 24 [pid 27711] set_robust_list(0x7f02635ab9a0, 24 [pid 27710] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27709] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27708] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27704] <... mprotect resumed>) = 0 [pid 27712] <... set_robust_list resumed>) = 0 [pid 27710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27704] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27712] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27711] <... set_robust_list resumed>) = 0 [pid 27710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27709] <... futex resumed>) = 1 [pid 27708] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27707] <... futex resumed>) = 0 [pid 27704] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27712] <... prctl resumed>) = 0 [pid 27710] <... mmap resumed>) = 0x7f02635ac000 [pid 27707] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27704] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27712] setpgid(0, 0 [pid 27710] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27707] <... futex resumed>) = 0 [pid 27712] <... setpgid resumed>) = 0 [pid 27710] <... mprotect resumed>) = 0 [pid 27708] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27707] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27704] <... clone3 resumed> => {parent_tid=[27713]}, 88) = 27713 ./strace-static-x86_64: Process 27713 attached [pid 27712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27711] rt_sigprocmask(SIG_SETMASK, [], [pid 27710] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27709] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27708] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27704] rt_sigprocmask(SIG_SETMASK, [], [pid 27713] set_robust_list(0x7f02635ab9a0, 24 [pid 27712] <... openat resumed>) = 3 [pid 27711] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27710] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27704] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27712] write(3, "1000", 4 [pid 27710] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27704] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27713] <... set_robust_list resumed>) = 0 [pid 27712] <... write resumed>) = 4 [pid 27711] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27709] <... write resumed>) = 9 [pid 27708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27704] <... futex resumed>) = 0 [pid 27712] close(3 [pid 27710] <... clone3 resumed> => {parent_tid=[27714]}, 88) = 27714 [pid 27704] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27712] <... close resumed>) = 0 [pid 27711] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27710] rt_sigprocmask(SIG_SETMASK, [], [pid 27709] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27708] <... mmap resumed>) = 0x7f02635ac000 [pid 27712] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27712] <... futex resumed>) = 0 [pid 27710] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27712] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27710] <... futex resumed>) = 0 [pid 27712] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27710] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27712] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 27712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f02635ac000 [pid 27712] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 27714 attached [pid 27713] rt_sigprocmask(SIG_SETMASK, [], [pid 27712] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27711] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27709] <... futex resumed>) = 1 [pid 27708] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27707] <... futex resumed>) = 0 [pid 27714] set_robust_list(0x7f02635cc9a0, 24 [pid 27712] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27707] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27712] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27711] <... futex resumed>) = 1 [pid 27709] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27708] <... mprotect resumed>) = 0 [pid 27707] <... futex resumed>) = 0 [pid 27697] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27715 attached [pid 27714] <... set_robust_list resumed>) = 0 [pid 27713] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27707] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27697] exit_group(0 [pid 27712] <... clone3 resumed> => {parent_tid=[27715]}, 88) = 27715 [pid 27707] <... futex resumed>) = 0 [pid 27702] <... futex resumed>) = ? [pid 27697] <... exit_group resumed>) = ? [pid 27712] rt_sigprocmask(SIG_SETMASK, [], [pid 27707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27702] +++ exited with 0 +++ [pid 27712] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27707] <... mmap resumed>) = 0x7f026358b000 [pid 27712] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27707] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27712] <... futex resumed>) = 0 [pid 27707] <... mprotect resumed>) = 0 [pid 27712] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27709] <... write resumed>) = 10 [pid 27707] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27713] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27708] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27707] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27709] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27707] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} => {parent_tid=[27716]}, 88) = 27716 [pid 27707] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27707] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27707] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27711] +++ exited with 0 +++ [pid 27713] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27697] +++ exited with 0 +++ [pid 27709] <... futex resumed>) = 0 [pid 27708] <... rt_sigprocmask resumed>[], 8) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27697, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 27716 attached [pid 27716] set_robust_list(0x7f02635ab9a0, 24) = 0 [pid 27716] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27716] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10) = -1 EINVAL (Invalid argument) [pid 27716] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27707] <... futex resumed>) = 0 [pid 27707] exit_group(0 [pid 295] <... restart_syscall resumed>) = 0 [pid 27713] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27708] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27707] <... exit_group resumed>) = ? [pid 27713] <... futex resumed>) = 1 [pid 27709] +++ exited with 0 +++ [pid 27704] <... futex resumed>) = 0 [pid 27714] rt_sigprocmask(SIG_SETMASK, [], [pid 27715] set_robust_list(0x7f02635cc9a0, 24 [pid 27713] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27704] exit_group(0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27718 attached [pid 27715] <... set_robust_list resumed>) = 0 [pid 27714] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27713] <... futex resumed>) = ? [pid 27708] <... clone3 resumed> => {parent_tid=[27717]}, 88) = 27717 [pid 27706] <... futex resumed>) = ? [pid 27704] <... exit_group resumed>) = ? [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27718 [pid 27714] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27713] +++ exited with 0 +++ [pid 27708] rt_sigprocmask(SIG_SETMASK, [], [pid 27716] <... futex resumed>) = ? [pid 27706] +++ exited with 0 +++ [pid 27704] +++ exited with 0 +++ [pid 27708] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27714] <... openat resumed>) = 3 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27704, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 27718] set_robust_list(0x555555eba6a0, 24 [pid 27715] rt_sigprocmask(SIG_SETMASK, [], [pid 27714] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27708] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... restart_syscall resumed>) = 0 [pid 27714] <... futex resumed>) = 1 [pid 27710] <... futex resumed>) = 0 [pid 27708] <... futex resumed>) = 0 [pid 27715] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27710] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27714] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27710] <... futex resumed>) = 0 [pid 27708] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27719 attached [pid 27718] <... set_robust_list resumed>) = 0 [pid 27715] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27714] <... write resumed>) = 9 [pid 27710] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27719 [pid 27714] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27715] <... openat resumed>) = 3 [pid 27714] <... futex resumed>) = 1 [pid 27710] <... futex resumed>) = 0 [pid 27710] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27710] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f026358b000 [pid 27710] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27710] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27714] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27710] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27710] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} => {parent_tid=[27720]}, 88) = 27720 [pid 27714] <... write resumed>) = 10 [pid 27715] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27710] rt_sigprocmask(SIG_SETMASK, [], [pid 27719] set_robust_list(0x555555eba6a0, 24 [pid 27718] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27715] <... futex resumed>) = 1 [pid 27714] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27712] <... futex resumed>) = 0 [pid 27710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27716] +++ exited with 0 +++ [pid 27715] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27714] <... futex resumed>) = 0 [pid 27712] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27710] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27707] +++ exited with 0 +++ [pid 27712] <... futex resumed>) = 0 [pid 27710] <... futex resumed>) = 0 [pid 27712] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27710] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27715] <... write resumed>) = 9 [pid 27714] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27707, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27715] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 27712] <... futex resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27712] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27712] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f026358b000 [pid 27712] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27715] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27712] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27712] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27721 [pid 27719] <... set_robust_list resumed>) = 0 [pid 27718] <... prctl resumed>) = 0 [pid 27715] <... write resumed>) = 10 [pid 27715] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27712] <... clone3 resumed> => {parent_tid=[27722]}, 88) = 27722 [pid 27715] <... futex resumed>) = 0 [pid 27712] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27715] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27712] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 27720 attached [pid 27712] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27720] set_robust_list(0x7f02635ab9a0, 24) = 0 [pid 27720] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27720] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10./strace-static-x86_64: Process 27717 attached ) = -1 EINVAL (Invalid argument) [pid 27720] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27717] set_robust_list(0x7f02635cc9a0, 24 [pid 27720] <... futex resumed>) = 1 [pid 27717] <... set_robust_list resumed>) = 0 [pid 27710] <... futex resumed>) = 0 [pid 27720] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27717] rt_sigprocmask(SIG_SETMASK, [], [pid 27710] exit_group(0./strace-static-x86_64: Process 27721 attached [pid 27720] <... futex resumed>) = ? [pid 27717] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27714] <... futex resumed>) = ? [pid 27710] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 27722 attached [pid 27721] set_robust_list(0x555555eba6a0, 24 [pid 27720] +++ exited with 0 +++ [pid 27719] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27718] setpgid(0, 0 [pid 27717] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27714] +++ exited with 0 +++ [pid 27710] +++ exited with 0 +++ [pid 27721] <... set_robust_list resumed>) = 0 [pid 27718] <... setpgid resumed>) = 0 [pid 27717] <... openat resumed>) = 3 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27710, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27721] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27717] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27722] set_robust_list(0x7f02635ab9a0, 24 [pid 27721] <... prctl resumed>) = 0 [pid 27719] <... prctl resumed>) = 0 [pid 27717] <... futex resumed>) = 1 [pid 27708] <... futex resumed>) = 0 [pid 27721] setpgid(0, 0 [pid 27718] <... openat resumed>) = 3 [pid 27717] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27708] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27723 attached [pid 27722] <... set_robust_list resumed>) = 0 [pid 27721] <... setpgid resumed>) = 0 [pid 27719] setpgid(0, 0 [pid 27718] write(3, "1000", 4 [pid 27717] <... write resumed>) = 9 [pid 27708] <... futex resumed>) = 0 [pid 27722] rt_sigprocmask(SIG_SETMASK, [], [pid 27721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27719] <... setpgid resumed>) = 0 [pid 27718] <... write resumed>) = 4 [pid 27717] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27708] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27723 [pid 27721] <... openat resumed>) = 3 [pid 27718] close(3 [pid 27717] <... futex resumed>) = 0 [pid 27708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27721] write(3, "1000", 4 [pid 27719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27718] <... close resumed>) = 0 [pid 27717] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27708] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27722] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27723] set_robust_list(0x555555eba6a0, 24 [pid 27721] <... write resumed>) = 4 [pid 27717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27708] <... futex resumed>) = 0 [pid 27721] close(3 [pid 27717] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27708] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27721] <... close resumed>) = 0 [pid 27717] <... write resumed>) = 10 [pid 27708] <... futex resumed>) = 0 [pid 27721] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27717] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27721] <... futex resumed>) = 0 [pid 27717] <... futex resumed>) = 0 [pid 27708] <... mmap resumed>) = 0x7f026358b000 [pid 27721] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27717] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27708] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27721] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27708] <... mprotect resumed>) = 0 [pid 27721] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27708] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27721] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27708] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27721] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27708] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27721] <... mmap resumed>) = 0x7f02635ac000 [pid 27721] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27719] <... openat resumed>) = 3 [pid 27718] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27708] <... clone3 resumed> => {parent_tid=[27724]}, 88) = 27724 [pid 27722] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27721] <... mprotect resumed>) = 0 [pid 27719] write(3, "1000", 4 [pid 27718] <... futex resumed>) = 0 [pid 27708] rt_sigprocmask(SIG_SETMASK, [], [pid 27723] <... set_robust_list resumed>) = 0 [pid 27722] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27721] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27718] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27708] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27722] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27721] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27719] <... write resumed>) = 4 [pid 27718] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27708] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27721] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27722] <... futex resumed>) = 1 [pid 27719] close(3 [pid 27718] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27712] <... futex resumed>) = 0 [pid 27708] <... futex resumed>) = 0 [pid 27722] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27719] <... close resumed>) = 0 [pid 27718] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27712] exit_group(0 [pid 27708] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27722] <... futex resumed>) = ? [pid 27721] <... clone3 resumed> => {parent_tid=[27725]}, 88) = 27725 [pid 27719] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27718] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27715] <... futex resumed>) = ? [pid 27712] <... exit_group resumed>) = ? [pid 27723] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27722] +++ exited with 0 +++ [pid 27721] rt_sigprocmask(SIG_SETMASK, [], [pid 27719] <... futex resumed>) = 0 [pid 27718] <... mmap resumed>) = 0x7f02635ac000 [pid 27715] +++ exited with 0 +++ [pid 27712] +++ exited with 0 +++ [pid 27721] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27719] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27718] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27712, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27721] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27719] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27718] <... mprotect resumed>) = 0 [pid 27721] <... futex resumed>) = 0 [pid 27719] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27721] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27719] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27718] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27719] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27718] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 27725 attached [pid 27719] <... mmap resumed>) = 0x7f02635ac000 [pid 27718] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27719] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27725] set_robust_list(0x7f02635cc9a0, 24) = 0 [pid 27719] <... mprotect resumed>) = 0 [pid 27718] <... clone3 resumed> => {parent_tid=[27726]}, 88) = 27726 [pid 27725] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27719] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27718] rt_sigprocmask(SIG_SETMASK, [], [pid 27719] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27718] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27719] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27718] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27719] <... clone3 resumed> => {parent_tid=[27727]}, 88) = 27727 [pid 27718] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27719] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27727 attached ./strace-static-x86_64: Process 27728 attached ./strace-static-x86_64: Process 27726 attached ./strace-static-x86_64: Process 27724 attached [pid 27725] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27723] <... prctl resumed>) = 0 [pid 27719] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27728 [pid 27728] set_robust_list(0x555555eba6a0, 24 [pid 27719] <... futex resumed>) = 0 [pid 27723] setpgid(0, 0 [pid 27726] set_robust_list(0x7f02635cc9a0, 24 [pid 27724] set_robust_list(0x7f02635ab9a0, 24 [pid 27728] <... set_robust_list resumed>) = 0 [pid 27728] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 27728] setpgid(0, 0 [pid 27719] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27723] <... setpgid resumed>) = 0 [pid 27726] <... set_robust_list resumed>) = 0 [pid 27724] <... set_robust_list resumed>) = 0 [pid 27728] <... setpgid resumed>) = 0 [pid 27728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 27723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27728] write(3, "1000", 4) = 4 [pid 27728] close(3) = 0 [pid 27728] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27723] <... openat resumed>) = 3 [pid 27728] <... futex resumed>) = 0 [pid 27728] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, NULL, 8) = 0 [pid 27728] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 27728] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f02635ac000 [pid 27728] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27728] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27723] write(3, "1000", 4 [pid 27728] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27726] rt_sigprocmask(SIG_SETMASK, [], [pid 27723] <... write resumed>) = 4 [pid 27728] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27725] <... openat resumed>) = 3 [pid 27724] rt_sigprocmask(SIG_SETMASK, [], [pid 27723] close(3./strace-static-x86_64: Process 27729 attached [pid 27727] set_robust_list(0x7f02635cc9a0, 24 [pid 27726] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27728] <... clone3 resumed> => {parent_tid=[27729]}, 88) = 27729 [pid 27728] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27728] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27728] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27725] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 27724] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27723] <... close resumed>) = 0 [pid 27721] <... futex resumed>) = 0 [pid 27725] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27721] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27726] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27724] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27723] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27721] <... futex resumed>) = 0 [pid 27725] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27721] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27725] <... write resumed>) = 9 [pid 27725] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 27721] <... futex resumed>) = 0 [pid 27725] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27721] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27724] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27723] <... futex resumed>) = 0 [pid 27721] <... futex resumed>) = 0 [pid 27726] <... openat resumed>) = 3 [pid 27725] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27721] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27725] <... write resumed>) = 10 [pid 27721] <... futex resumed>) = 0 [pid 27725] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27721] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27725] <... futex resumed>) = 0 [pid 27721] <... mmap resumed>) = 0x7f026358b000 [pid 27725] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27721] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27721] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27721] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27729] set_robust_list(0x7f02635cc9a0, 24 [pid 27727] <... set_robust_list resumed>) = 0 [pid 27726] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27724] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27723] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27721] <... clone3 resumed> => {parent_tid=[27730]}, 88) = 27730 [pid 27727] rt_sigprocmask(SIG_SETMASK, [], [pid 27726] <... futex resumed>) = 1 [pid 27724] <... futex resumed>) = 1 [pid 27723] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27721] rt_sigprocmask(SIG_SETMASK, [], [pid 27718] <... futex resumed>) = 0 [pid 27708] <... futex resumed>) = 0 [pid 27729] <... set_robust_list resumed>) = 0 [pid 27727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27726] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27724] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27723] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27721] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27729] rt_sigprocmask(SIG_SETMASK, [], [pid 27718] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27708] exit_group(0 [pid 27727] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27724] <... futex resumed>) = ? [pid 27723] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27721] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27718] <... futex resumed>) = 0 [pid 27717] <... futex resumed>) = ? [pid 27708] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 27730 attached [pid 27729] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27727] <... openat resumed>) = 3 [pid 27726] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27724] +++ exited with 0 +++ [pid 27723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27721] <... futex resumed>) = 0 [pid 27718] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27717] +++ exited with 0 +++ [pid 27708] +++ exited with 0 +++ [pid 27721] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27726] <... write resumed>) = 9 [pid 27723] <... mmap resumed>) = 0x7f02635ac000 [pid 27726] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27723] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27708, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27727] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27729] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27726] <... futex resumed>) = 1 [pid 27718] <... futex resumed>) = 0 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 27727] <... futex resumed>) = 1 [pid 27726] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27723] <... mprotect resumed>) = 0 [pid 27719] <... futex resumed>) = 0 [pid 27718] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27729] <... openat resumed>) = 3 [pid 27729] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 27728] <... futex resumed>) = 0 [pid 27729] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27728] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27719] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27718] <... futex resumed>) = 0 [pid 27729] <... write resumed>) = 9 [pid 27728] <... futex resumed>) = 0 [pid 27727] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27726] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27723] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27719] <... futex resumed>) = 0 [pid 27718] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... restart_syscall resumed>) = 0 [pid 27729] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27728] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27727] <... write resumed>) = 9 [pid 27726] <... write resumed>) = 10 [pid 27723] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27719] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27718] <... futex resumed>) = 0 [pid 27729] <... futex resumed>) = 0 [pid 27728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27727] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27726] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27718] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27729] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27728] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27727] <... futex resumed>) = 0 [pid 27726] <... futex resumed>) = 0 [pid 27729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27728] <... futex resumed>) = 0 [pid 27729] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27728] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27729] <... write resumed>) = 10 [pid 27728] <... futex resumed>) = 0 [pid 27727] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27726] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27723] <... clone3 resumed> => {parent_tid=[27731]}, 88) = 27731 [pid 27719] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27718] <... mmap resumed>) = 0x7f026358b000 [pid 27729] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27728] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27727] <... write resumed>) = 10 [pid 27723] rt_sigprocmask(SIG_SETMASK, [], [pid 27729] <... futex resumed>) = 0 [pid 27728] <... mmap resumed>) = 0x7f026358b000 [pid 27727] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27723] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27719] <... futex resumed>) = 0 [pid 27718] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27729] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27728] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27727] <... futex resumed>) = 0 [pid 27723] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27719] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27718] <... mprotect resumed>) = 0 [pid 27728] <... mprotect resumed>) = 0 [pid 27728] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27728] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27727] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27723] <... futex resumed>) = 0 [pid 27719] <... futex resumed>) = 0 [pid 27718] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27728] <... clone3 resumed> => {parent_tid=[27733]}, 88) = 27733 [pid 27727] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27723] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27719] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27718] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 27731 attached [pid 27728] rt_sigprocmask(SIG_SETMASK, [], [pid 27727] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27718] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27732 [pid 27731] set_robust_list(0x7f02635cc9a0, 24 [pid 27728] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27727] <... futex resumed>) = 0 [pid 27719] exit_group(0 [pid 27731] <... set_robust_list resumed>) = 0 [pid 27728] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27719] <... exit_group resumed>) = ? [pid 27731] rt_sigprocmask(SIG_SETMASK, [], [pid 27728] <... futex resumed>) = 0 [pid 27727] +++ exited with 0 +++ [pid 27731] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27728] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27731] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW) = 3 [pid 27731] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 27731] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27719] +++ exited with 0 +++ [pid 27723] <... futex resumed>) = 0 [pid 27718] <... clone3 resumed> => {parent_tid=[27734]}, 88) = 27734 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27719, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 27732 attached [pid 27723] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27718] rt_sigprocmask(SIG_SETMASK, [], [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 27732] set_robust_list(0x555555eba6a0, 24 [pid 27731] <... futex resumed>) = 0 [pid 27723] <... futex resumed>) = 1 [pid 27718] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27732] <... set_robust_list resumed>) = 0 [pid 27731] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27723] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27734 attached ./strace-static-x86_64: Process 27733 attached [pid 27732] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27731] <... write resumed>) = 9 [pid 27730] set_robust_list(0x7f02635ab9a0, 24 [pid 27718] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... restart_syscall resumed>) = 0 [pid 27732] <... prctl resumed>) = 0 [pid 27731] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27718] <... futex resumed>) = 0 [pid 27732] setpgid(0, 0 [pid 27731] <... futex resumed>) = 1 [pid 27723] <... futex resumed>) = 0 [pid 27718] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27732] <... setpgid resumed>) = 0 [pid 27731] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27723] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27734] set_robust_list(0x7f02635ab9a0, 24 [pid 27733] set_robust_list(0x7f02635ab9a0, 24 [pid 27732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27731] <... write resumed>) = 10 [pid 27730] <... set_robust_list resumed>) = 0 [pid 27723] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27735 attached [pid 27734] <... set_robust_list resumed>) = 0 [pid 27733] <... set_robust_list resumed>) = 0 [pid 27732] <... openat resumed>) = 3 [pid 27731] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27723] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27735] set_robust_list(0x555555eba6a0, 24 [pid 27732] write(3, "1000", 4 [pid 27731] <... futex resumed>) = 0 [pid 27723] <... futex resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27735 [pid 27735] <... set_robust_list resumed>) = 0 [pid 27732] <... write resumed>) = 4 [pid 27731] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27723] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27730] rt_sigprocmask(SIG_SETMASK, [], [pid 27735] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27734] rt_sigprocmask(SIG_SETMASK, [], [pid 27733] rt_sigprocmask(SIG_SETMASK, [], [pid 27732] close(3 [pid 27731] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27735] <... prctl resumed>) = 0 [pid 27734] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27732] <... close resumed>) = 0 [pid 27731] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27730] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27735] setpgid(0, 0 [pid 27734] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27733] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27732] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27731] <... futex resumed>) = 1 [pid 27730] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27723] <... futex resumed>) = 0 [pid 27735] <... setpgid resumed>) = 0 [pid 27734] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27733] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27732] <... futex resumed>) = 0 [pid 27731] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27730] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27723] exit_group(0 [pid 27735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27734] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27733] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27732] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27731] <... futex resumed>) = ? [pid 27730] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27723] <... exit_group resumed>) = ? [pid 27735] <... openat resumed>) = 3 [pid 27734] <... futex resumed>) = 1 [pid 27733] <... futex resumed>) = 1 [pid 27732] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27731] +++ exited with 0 +++ [pid 27730] <... futex resumed>) = 1 [pid 27728] <... futex resumed>) = 0 [pid 27721] <... futex resumed>) = 0 [pid 27718] <... futex resumed>) = 0 [pid 27732] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27728] exit_group(0 [pid 27723] +++ exited with 0 +++ [pid 27721] exit_group(0 [pid 27718] exit_group(0 [pid 27730] exit_group(0 [pid 27735] write(3, "1000", 4) = 4 [pid 27734] +++ exited with 0 +++ [pid 27733] +++ exited with 0 +++ [pid 27732] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27730] +++ exited with 0 +++ [pid 27729] <... futex resumed>) = ? [pid 27728] <... exit_group resumed>) = ? [pid 27726] <... futex resumed>) = ? [pid 27725] <... futex resumed>) = ? [pid 27721] <... exit_group resumed>) = ? [pid 27718] <... exit_group resumed>) = ? [pid 27735] close(3 [pid 27732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27729] +++ exited with 0 +++ [pid 27728] +++ exited with 0 +++ [pid 27726] +++ exited with 0 +++ [pid 27725] +++ exited with 0 +++ [pid 27721] +++ exited with 0 +++ [pid 27718] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27723, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27735] <... close resumed>) = 0 [pid 27732] <... mmap resumed>) = 0x7f02635ac000 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27721, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27728, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 27736 attached [pid 27735] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27732] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27718, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27736] set_robust_list(0x555555eba6a0, 24 [pid 27735] <... futex resumed>) = 0 [pid 27732] <... mprotect resumed>) = 0 [pid 299] <... restart_syscall resumed>) = 0 [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27736 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 27736] <... set_robust_list resumed>) = 0 [pid 27735] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27732] rt_sigprocmask(SIG_BLOCK, ~[], [pid 295] <... restart_syscall resumed>) = 0 [pid 27736] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27735] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27732] <... rt_sigprocmask resumed>[], 8) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27736] <... prctl resumed>) = 0 [pid 27735] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27732] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27736] setpgid(0, 0 [pid 27735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27736] <... setpgid resumed>) = 0 [pid 27735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27732] <... clone3 resumed> => {parent_tid=[27737]}, 88) = 27737 ./strace-static-x86_64: Process 27740 attached ./strace-static-x86_64: Process 27738 attached [pid 27736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27735] <... mmap resumed>) = 0x7f02635ac000 [pid 27732] rt_sigprocmask(SIG_SETMASK, [], [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27739 [pid 27740] set_robust_list(0x555555eba6a0, 24 [pid 27736] <... openat resumed>) = 3 [pid 27735] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27732] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27738 [pid 27740] <... set_robust_list resumed>) = 0 [pid 27736] write(3, "1000", 4 [pid 27735] <... mprotect resumed>) = 0 [pid 27732] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27740 [pid 27736] <... write resumed>) = 4 [pid 27735] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27732] <... futex resumed>) = 0 [pid 27736] close(3 [pid 27735] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27732] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27740] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27736] <... close resumed>) = 0 [pid 27735] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0}./strace-static-x86_64: Process 27737 attached [pid 27740] <... prctl resumed>) = 0 [pid 27738] set_robust_list(0x555555eba6a0, 24 [pid 27736] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27735] <... clone3 resumed> => {parent_tid=[27741]}, 88) = 27741 [pid 27736] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27735] rt_sigprocmask(SIG_SETMASK, [], [pid 27736] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27736] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27735] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27736] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27735] <... futex resumed>) = 0 [pid 27736] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27735] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27736] <... mmap resumed>) = 0x7f02635ac000 [pid 27736] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 27739 attached [pid 27740] setpgid(0, 0 [pid 27738] <... set_robust_list resumed>) = 0 [pid 27737] set_robust_list(0x7f02635cc9a0, 24 [pid 27736] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27736] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27740] <... setpgid resumed>) = 0 [pid 27736] <... clone3 resumed> => {parent_tid=[27742]}, 88) = 27742 [pid 27736] rt_sigprocmask(SIG_SETMASK, [], [pid 27738] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27736] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27736] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27736] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27742 attached [pid 27742] set_robust_list(0x7f02635cc9a0, 24) = 0 [pid 27742] rt_sigprocmask(SIG_SETMASK, [], [pid 27740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27738] <... prctl resumed>) = 0 [pid 27742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27742] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27740] <... openat resumed>) = 3 [pid 27738] setpgid(0, 0 [pid 27740] write(3, "1000", 4 [pid 27742] <... openat resumed>) = 3 [pid 27742] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27736] <... futex resumed>) = 0 [pid 27736] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27736] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27738] <... setpgid resumed>) = 0 [pid 27742] <... futex resumed>) = 1 [pid 27742] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27740] <... write resumed>) = 4 [pid 27742] <... write resumed>) = 9 [pid 27740] close(3 [pid 27742] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27738] <... openat resumed>) = 3 [pid 27740] <... close resumed>) = 0 [pid 27738] write(3, "1000", 4 [pid 27736] <... futex resumed>) = 0 [pid 27736] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27736] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27736] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f026358b000 [pid 27736] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27740] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27738] <... write resumed>) = 4 [pid 27736] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 27741 attached [pid 27740] <... futex resumed>) = 0 [pid 27736] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27738] close(3 [pid 27742] <... futex resumed>) = 1 [pid 27739] set_robust_list(0x555555eba6a0, 24 [pid 27737] <... set_robust_list resumed>) = 0 [pid 27740] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27736] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27740] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27738] <... close resumed>) = 0 [pid 27737] rt_sigprocmask(SIG_SETMASK, [], [pid 27739] <... set_robust_list resumed>) = 0 [pid 27742] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27741] set_robust_list(0x7f02635cc9a0, 24 [pid 27736] <... clone3 resumed> => {parent_tid=[27743]}, 88) = 27743 [pid 27740] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27738] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27736] rt_sigprocmask(SIG_SETMASK, [], [pid 27740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27738] <... futex resumed>) = 0 [pid 27736] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27740] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27738] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27737] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27736] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27740] <... mmap resumed>) = 0x7f02635ac000 [pid 27738] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27736] <... futex resumed>) = 0 [pid 27740] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27738] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27737] <... openat resumed>) = 3 [pid 27736] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27740] <... mprotect resumed>) = 0 [pid 27738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27737] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27743 attached [pid 27743] set_robust_list(0x7f02635ab9a0, 24) = 0 [pid 27740] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27737] <... futex resumed>) = 1 [pid 27732] <... futex resumed>) = 0 [pid 27740] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27738] <... mmap resumed>) = 0x7f02635ac000 [pid 27737] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27732] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27740] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27738] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27737] <... write resumed>) = 9 [pid 27732] <... futex resumed>) = 0 [pid 27732] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27740] <... clone3 resumed> => {parent_tid=[27744]}, 88) = 27744 [pid 27738] <... mprotect resumed>) = 0 [pid 27737] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27740] rt_sigprocmask(SIG_SETMASK, [], [pid 27743] rt_sigprocmask(SIG_SETMASK, [], [pid 27738] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27738] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27737] <... futex resumed>) = 1 [pid 27732] <... futex resumed>) = 0 [pid 27740] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27738] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27732] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27737] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27740] <... futex resumed>) = 0 [pid 27732] <... futex resumed>) = 0 [pid 27732] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27740] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27738] <... clone3 resumed> => {parent_tid=[27745]}, 88) = 27745 [pid 27737] <... write resumed>) = 10 [pid 27732] <... mmap resumed>) = 0x7f026358b000 [pid 27738] rt_sigprocmask(SIG_SETMASK, [], [pid 27732] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27737] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27732] <... mprotect resumed>) = 0 [pid 27738] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27737] <... futex resumed>) = 0 [pid 27732] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27739] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27738] <... futex resumed>) = 0 [pid 27737] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27732] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27739] <... prctl resumed>) = 0 [pid 27738] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27732] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27739] setpgid(0, 0 [pid 27732] <... clone3 resumed> => {parent_tid=[27746]}, 88) = 27746 [pid 27739] <... setpgid resumed>) = 0 [pid 27732] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27732] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27732] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27743] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27743] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10) = 10 [pid 27743] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27739] <... openat resumed>) = 3 [pid 27742] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27741] <... set_robust_list resumed>) = 0 [pid 27739] write(3, "1000", 4) = 4 [pid 27739] close(3./strace-static-x86_64: Process 27745 attached ./strace-static-x86_64: Process 27744 attached [pid 27742] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27741] rt_sigprocmask(SIG_SETMASK, [], [pid 27736] <... futex resumed>) = 0 [pid 27739] <... close resumed>) = 0 [pid 27736] exit_group(0) = ? [pid 27739] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27743] <... futex resumed>) = ? [pid 27739] <... futex resumed>) = 0 [pid 27743] +++ exited with 0 +++ [pid 27739] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, ./strace-static-x86_64: Process 27746 attached [pid 27742] <... futex resumed>) = ? [pid 27739] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27746] set_robust_list(0x7f02635ab9a0, 24) = 0 [pid 27739] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27746] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27746] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10) = -1 EINVAL (Invalid argument) [pid 27746] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27732] <... futex resumed>) = 0 [pid 27741] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27739] <... mmap resumed>) = 0x7f02635ac000 [pid 27732] exit_group(0 [pid 27739] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27737] <... futex resumed>) = ? [pid 27732] <... exit_group resumed>) = ? [pid 27741] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27739] <... mprotect resumed>) = 0 [pid 27737] +++ exited with 0 +++ [pid 27742] +++ exited with 0 +++ [pid 27736] +++ exited with 0 +++ [pid 27741] <... openat resumed>) = 3 [pid 27739] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27736, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27741] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27739] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27741] <... futex resumed>) = 1 [pid 27739] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27735] <... futex resumed>) = 0 [pid 27744] set_robust_list(0x7f02635cc9a0, 24 [pid 27735] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27747 attached ./strace-static-x86_64: Process 27748 attached [pid 27746] <... futex resumed>) = ? [pid 27745] set_robust_list(0x7f02635cc9a0, 24 [pid 27744] <... set_robust_list resumed>) = 0 [pid 27741] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27735] <... futex resumed>) = 0 [pid 27744] rt_sigprocmask(SIG_SETMASK, [], [pid 27735] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27748 [pid 27748] set_robust_list(0x555555eba6a0, 24 [pid 27744] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27748] <... set_robust_list resumed>) = 0 [pid 27744] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27748] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27744] <... openat resumed>) = 3 [pid 27741] <... write resumed>) = 9 [pid 27739] <... clone3 resumed> => {parent_tid=[27747]}, 88) = 27747 [pid 27748] <... prctl resumed>) = 0 [pid 27744] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27741] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27748] setpgid(0, 0 [pid 27744] <... futex resumed>) = 1 [pid 27740] <... futex resumed>) = 0 [pid 27739] rt_sigprocmask(SIG_SETMASK, [], [pid 27748] <... setpgid resumed>) = 0 [pid 27744] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27741] <... futex resumed>) = 1 [pid 27740] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27735] <... futex resumed>) = 0 [pid 27748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27741] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27740] <... futex resumed>) = 0 [pid 27739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27735] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27748] <... openat resumed>) = 3 [pid 27745] <... set_robust_list resumed>) = 0 [pid 27744] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27740] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27735] <... futex resumed>) = 0 [pid 27748] write(3, "1000", 4 [pid 27744] <... write resumed>) = 9 [pid 27741] <... write resumed>) = 10 [pid 27739] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27735] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27748] <... write resumed>) = 4 [pid 27745] rt_sigprocmask(SIG_SETMASK, [], [pid 27744] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27741] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27739] <... futex resumed>) = 0 [pid 27735] <... futex resumed>) = 0 [pid 27748] close(3 [pid 27744] <... futex resumed>) = 1 [pid 27741] <... futex resumed>) = 0 [pid 27740] <... futex resumed>) = 0 [pid 27739] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27748] <... close resumed>) = 0 [pid 27744] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27741] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27740] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27735] <... mmap resumed>) = 0x7f026358b000 [pid 27745] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27748] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27740] <... futex resumed>) = 0 [pid 27735] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27748] <... futex resumed>) = 0 [pid 27744] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27740] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27735] <... mprotect resumed>) = 0 [pid 27748] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27745] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27744] <... write resumed>) = 10 [pid 27740] <... futex resumed>) = 0 [pid 27735] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27748] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27744] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27740] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27735] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27748] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27744] <... futex resumed>) = 0 [pid 27740] <... mmap resumed>) = 0x7f026358b000 [pid 27735] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27748] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27744] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27740] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27748] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27740] <... mprotect resumed>) = 0 [pid 27735] <... clone3 resumed> => {parent_tid=[27749]}, 88) = 27749 [pid 27748] <... mmap resumed>) = 0x7f02635ac000 [pid 27740] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27735] rt_sigprocmask(SIG_SETMASK, [], [pid 27748] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27745] <... openat resumed>) = 3 [pid 27740] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27748] <... mprotect resumed>) = 0 [pid 27745] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27740] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27735] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27748] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27746] +++ exited with 0 +++ [pid 27745] <... futex resumed>) = 1 [pid 27738] <... futex resumed>) = 0 [pid 27735] <... futex resumed>) = 0 [pid 27732] +++ exited with 0 +++ [pid 27747] set_robust_list(0x7f02635cc9a0, 24./strace-static-x86_64: Process 27750 attached [pid 27748] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27745] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27740] <... clone3 resumed> => {parent_tid=[27750]}, 88) = 27750 [pid 27738] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27735] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27732, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27748] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27740] rt_sigprocmask(SIG_SETMASK, [], [pid 27738] <... futex resumed>) = 0 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 27740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27748] <... clone3 resumed> => {parent_tid=[27751]}, 88) = 27751 [pid 27745] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27740] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27738] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... restart_syscall resumed>) = 0 [pid 27748] rt_sigprocmask(SIG_SETMASK, [], [pid 27745] <... write resumed>) = 9 [pid 27740] <... futex resumed>) = 0 [pid 27748] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27740] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27748] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27745] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27748] <... futex resumed>) = 0 [pid 27748] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27745] <... futex resumed>) = 1 [pid 27738] <... futex resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27745] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27738] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27750] set_robust_list(0x7f02635ab9a0, 24) = 0 [pid 27750] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27750] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10) = -1 EINVAL (Invalid argument) [pid 27750] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27738] <... futex resumed>) = 0 [pid 27745] <... write resumed>) = 10 [pid 27738] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27752 [pid 27745] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27738] <... futex resumed>) = 0 [pid 27745] <... futex resumed>) = 0 [pid 27738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f026358b000 [pid 27745] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27738] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27740] <... futex resumed>) = 0 [pid 27740] exit_group(0 [pid 27738] <... mprotect resumed>) = 0 [pid 27744] <... futex resumed>) = ? [pid 27740] <... exit_group resumed>) = ? [pid 27744] +++ exited with 0 +++ [pid 27738] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27747] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 27752 attached [pid 27738] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27750] <... futex resumed>) = ? [pid 27747] rt_sigprocmask(SIG_SETMASK, [], [pid 27738] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0}./strace-static-x86_64: Process 27749 attached [pid 27752] set_robust_list(0x555555eba6a0, 24./strace-static-x86_64: Process 27751 attached ) = 0 [pid 27749] set_robust_list(0x7f02635ab9a0, 24 [pid 27747] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27750] +++ exited with 0 +++ [pid 27740] +++ exited with 0 +++ ./strace-static-x86_64: Process 27753 attached [pid 27738] <... clone3 resumed> => {parent_tid=[27753]}, 88) = 27753 [pid 27747] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27753] set_robust_list(0x7f02635ab9a0, 24 [pid 27738] rt_sigprocmask(SIG_SETMASK, [], [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27740, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27753] <... set_robust_list resumed>) = 0 [pid 27747] <... openat resumed>) = 3 [pid 27738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27753] rt_sigprocmask(SIG_SETMASK, [], [pid 27747] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27738] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27753] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27753] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10) = -1 EINVAL (Invalid argument) [pid 27753] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27753] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27752] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27753] <... futex resumed>) = 0 [pid 27752] <... prctl resumed>) = 0 [pid 27747] <... futex resumed>) = 1 [pid 27739] <... futex resumed>) = 0 [pid 27738] <... futex resumed>) = 1 [pid 27753] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27752] setpgid(0, 0 [pid 27747] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27739] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27738] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27754 [pid 27752] <... setpgid resumed>) = 0 [pid 27747] <... write resumed>) = 9 [pid 27739] <... futex resumed>) = 0 [pid 27738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27749] <... set_robust_list resumed>) = 0 [pid 27739] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27738] exit_group(0 [pid 27752] <... openat resumed>) = 3 [pid 27751] set_robust_list(0x7f02635cc9a0, 24 [pid 27747] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27738] <... exit_group resumed>) = ? [pid 27745] <... futex resumed>) = ? [pid 27753] <... futex resumed>) = ? [pid 27752] write(3, "1000", 4 [pid 27747] <... futex resumed>) = 0 [pid 27739] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27745] +++ exited with 0 +++ ./strace-static-x86_64: Process 27754 attached [pid 27753] +++ exited with 0 +++ [pid 27752] <... write resumed>) = 4 [pid 27751] <... set_robust_list resumed>) = 0 [pid 27749] rt_sigprocmask(SIG_SETMASK, [], [pid 27747] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27739] <... futex resumed>) = 0 [pid 27738] +++ exited with 0 +++ [pid 27752] close(3) = 0 [pid 27749] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27747] <... write resumed>) = 10 [pid 27739] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27738, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27752] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27749] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27747] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27739] <... futex resumed>) = 0 [pid 27752] <... futex resumed>) = 0 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 27752] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27749] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27747] <... futex resumed>) = 0 [pid 27739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27752] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27749] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27747] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 294] <... restart_syscall resumed>) = 0 [pid 27752] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27749] <... futex resumed>) = 1 [pid 27739] <... mmap resumed>) = 0x7f026358b000 [pid 27735] <... futex resumed>) = 0 [pid 27752] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27749] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27739] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27735] exit_group(0 [pid 27752] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27741] <... futex resumed>) = ? [pid 27739] <... mprotect resumed>) = 0 [pid 27735] <... exit_group resumed>) = ? [pid 27749] <... futex resumed>) = ? [pid 27752] <... mmap resumed>) = 0x7f02635ac000 [pid 27751] rt_sigprocmask(SIG_SETMASK, [], [pid 27741] +++ exited with 0 +++ [pid 27739] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27752] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27739] <... rt_sigprocmask resumed>[], 8) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27752] <... mprotect resumed>) = 0 [pid 27739] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27752] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27752] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} => {parent_tid=[27756]}, 88) = 27756 [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27755 [pid 27752] rt_sigprocmask(SIG_SETMASK, [], [pid 27739] <... clone3 resumed> => {parent_tid=[27757]}, 88) = 27757 [pid 27752] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27739] rt_sigprocmask(SIG_SETMASK, [], [pid 27752] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27752] <... futex resumed>) = 0 [pid 27739] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27752] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27739] <... futex resumed>) = 0 [pid 27749] +++ exited with 0 +++ [pid 27735] +++ exited with 0 +++ [pid 27739] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27735, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27757 attached ./strace-static-x86_64: Process 27758 attached ./strace-static-x86_64: Process 27756 attached ./strace-static-x86_64: Process 27755 attached [pid 27754] set_robust_list(0x555555eba6a0, 24 [pid 27751] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27758] set_robust_list(0x555555eba6a0, 24 [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27758 [pid 27758] <... set_robust_list resumed>) = 0 [pid 27758] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27757] set_robust_list(0x7f02635ab9a0, 24 [pid 27756] set_robust_list(0x7f02635cc9a0, 24 [pid 27755] set_robust_list(0x555555eba6a0, 24 [pid 27754] <... set_robust_list resumed>) = 0 [pid 27751] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27758] <... prctl resumed>) = 0 [pid 27758] setpgid(0, 0) = 0 [pid 27758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27751] <... openat resumed>) = 3 [pid 27758] <... openat resumed>) = 3 [pid 27754] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27751] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27755] <... set_robust_list resumed>) = 0 [pid 27758] write(3, "1000", 4) = 4 [pid 27758] close(3) = 0 [pid 27758] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27758] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27751] <... futex resumed>) = 1 [pid 27748] <... futex resumed>) = 0 [pid 27758] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27754] <... prctl resumed>) = 0 [pid 27748] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27758] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27751] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27748] <... futex resumed>) = 0 [pid 27754] setpgid(0, 0 [pid 27758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27755] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27751] <... write resumed>) = 9 [pid 27748] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27758] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f02635ac000 [pid 27758] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27758] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27751] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27754] <... setpgid resumed>) = 0 [pid 27758] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27758] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27751] <... futex resumed>) = 1 [pid 27748] <... futex resumed>) = 0 [pid 27758] <... clone3 resumed> => {parent_tid=[27759]}, 88) = 27759 [pid 27754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27751] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27748] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27755] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 27759 attached [pid 27758] rt_sigprocmask(SIG_SETMASK, [], [pid 27757] <... set_robust_list resumed>) = 0 [pid 27756] <... set_robust_list resumed>) = 0 [pid 27748] <... futex resumed>) = 0 [pid 27758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27748] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27758] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27748] <... futex resumed>) = 0 [pid 27758] <... futex resumed>) = 0 [pid 27748] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27758] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27748] <... mmap resumed>) = 0x7f026358b000 [pid 27748] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27748] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 27748] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} => {parent_tid=[27760]}, 88) = 27760 [pid 27748] rt_sigprocmask(SIG_SETMASK, [], [pid 27754] <... openat resumed>) = 3 [pid 27748] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27755] setpgid(0, 0 [pid 27754] write(3, "1000", 4 [pid 27748] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27751] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27748] <... futex resumed>) = 0 [pid 27748] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27760 attached [pid 27760] set_robust_list(0x7f02635ab9a0, 24) = 0 [pid 27760] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27760] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10) = 10 [pid 27760] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27748] <... futex resumed>) = 0 [pid 27760] <... futex resumed>) = 1 [pid 27760] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27759] set_robust_list(0x7f02635cc9a0, 24) = 0 [pid 27759] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27759] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW) = 3 [pid 27751] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27759] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27757] rt_sigprocmask(SIG_SETMASK, [], [pid 27756] rt_sigprocmask(SIG_SETMASK, [], [pid 27755] <... setpgid resumed>) = 0 [pid 27754] <... write resumed>) = 4 [pid 27751] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27757] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27756] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27754] close(3 [pid 27751] <... futex resumed>) = 0 [pid 27748] exit_group(0 [pid 27756] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27755] <... openat resumed>) = 3 [pid 27754] <... close resumed>) = 0 [pid 27748] <... exit_group resumed>) = ? [pid 27757] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27756] <... openat resumed>) = 3 [pid 27755] write(3, "1000", 4 [pid 27754] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27751] +++ exited with 0 +++ [pid 27760] <... futex resumed>) = ? [pid 27758] <... futex resumed>) = 0 [pid 27757] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27756] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27755] <... write resumed>) = 4 [pid 27754] <... futex resumed>) = 0 [pid 27758] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27757] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27756] <... futex resumed>) = 1 [pid 27755] close(3 [pid 27754] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27752] <... futex resumed>) = 0 [pid 27758] <... futex resumed>) = 0 [pid 27757] <... futex resumed>) = 1 [pid 27756] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27755] <... close resumed>) = 0 [pid 27754] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27752] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27739] <... futex resumed>) = 0 [pid 27758] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27757] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27755] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27754] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27752] <... futex resumed>) = 0 [pid 27739] exit_group(0 [pid 27759] <... futex resumed>) = 1 [pid 27757] <... futex resumed>) = ? [pid 27756] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27755] <... futex resumed>) = 0 [pid 27754] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27752] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27747] <... futex resumed>) = ? [pid 27739] <... exit_group resumed>) = ? [pid 27759] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27760] +++ exited with 0 +++ [pid 27757] +++ exited with 0 +++ [pid 27756] <... write resumed>) = 9 [pid 27755] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27748] +++ exited with 0 +++ [pid 27759] <... write resumed>) = 9 [pid 27747] +++ exited with 0 +++ [pid 27739] +++ exited with 0 +++ [pid 27759] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27756] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27755] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27754] <... mmap resumed>) = 0x7f02635ac000 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27748, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27739, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27759] <... futex resumed>) = 1 [pid 27758] <... futex resumed>) = 0 [pid 27756] <... futex resumed>) = 1 [pid 27755] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27754] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27752] <... futex resumed>) = 0 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 27759] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27758] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27756] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27755] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27754] <... mprotect resumed>) = 0 [pid 27752] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... restart_syscall resumed>) = 0 [pid 295] <... restart_syscall resumed>) = 0 [pid 27759] <... write resumed>) = 10 [pid 27758] <... futex resumed>) = 0 [pid 27756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27752] <... futex resumed>) = 0 [pid 27759] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27758] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27756] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27755] <... mmap resumed>) = 0x7f02635ac000 [pid 27754] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27752] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27759] <... futex resumed>) = 0 [pid 27758] <... futex resumed>) = 0 [pid 27756] <... write resumed>) = 10 [pid 27755] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27754] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27752] <... futex resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27759] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27758] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27756] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27755] <... mprotect resumed>) = 0 [pid 27754] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27752] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 27762 attached ./strace-static-x86_64: Process 27761 attached [pid 27758] <... mmap resumed>) = 0x7f026358b000 [pid 27756] <... futex resumed>) = 0 [pid 27755] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27752] <... mmap resumed>) = 0x7f026358b000 [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27761 [pid 27762] set_robust_list(0x555555eba6a0, 24 [pid 27761] set_robust_list(0x555555eba6a0, 24 [pid 27758] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27756] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27755] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27754] <... clone3 resumed> => {parent_tid=[27763]}, 88) = 27763 [pid 27752] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27762 ./strace-static-x86_64: Process 27763 attached [pid 27762] <... set_robust_list resumed>) = 0 [pid 27761] <... set_robust_list resumed>) = 0 [pid 27758] <... mprotect resumed>) = 0 [pid 27752] <... mprotect resumed>) = 0 [pid 27763] set_robust_list(0x7f02635cc9a0, 24 [pid 27762] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27761] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27758] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27755] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27754] rt_sigprocmask(SIG_SETMASK, [], [pid 27752] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27762] <... prctl resumed>) = 0 [pid 27761] <... prctl resumed>) = 0 [pid 27758] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27754] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27752] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27762] setpgid(0, 0 [pid 27761] setpgid(0, 0 [pid 27758] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27755] <... clone3 resumed> => {parent_tid=[27764]}, 88) = 27764 [pid 27754] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27752] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0}./strace-static-x86_64: Process 27765 attached ./strace-static-x86_64: Process 27764 attached [pid 27763] <... set_robust_list resumed>) = 0 [pid 27762] <... setpgid resumed>) = 0 [pid 27761] <... setpgid resumed>) = 0 [pid 27763] rt_sigprocmask(SIG_SETMASK, [], [pid 27762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27758] <... clone3 resumed> => {parent_tid=[27765]}, 88) = 27765 [pid 27755] rt_sigprocmask(SIG_SETMASK, [], [pid 27754] <... futex resumed>) = 0 [pid 27752] <... clone3 resumed> => {parent_tid=[27766]}, 88) = 27766 ./strace-static-x86_64: Process 27766 attached [pid 27765] set_robust_list(0x7f02635ab9a0, 24 [pid 27764] set_robust_list(0x7f02635cc9a0, 24 [pid 27763] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27762] <... openat resumed>) = 3 [pid 27761] <... openat resumed>) = 3 [pid 27758] rt_sigprocmask(SIG_SETMASK, [], [pid 27752] rt_sigprocmask(SIG_SETMASK, [], [pid 27762] write(3, "1000", 4 [pid 27761] write(3, "1000", 4 [pid 27758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27752] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27762] <... write resumed>) = 4 [pid 27761] <... write resumed>) = 4 [pid 27758] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27755] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27754] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27752] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27765] <... set_robust_list resumed>) = 0 [pid 27763] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27762] close(3 [pid 27761] close(3 [pid 27758] <... futex resumed>) = 0 [pid 27755] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27752] <... futex resumed>) = 0 [pid 27764] <... set_robust_list resumed>) = 0 [pid 27762] <... close resumed>) = 0 [pid 27761] <... close resumed>) = 0 [pid 27758] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27752] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27762] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27761] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27762] <... futex resumed>) = 0 [pid 27761] <... futex resumed>) = 0 [pid 27762] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27761] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27762] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27761] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27762] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27761] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27762] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27761] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27762] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27766] set_robust_list(0x7f02635ab9a0, 24 [pid 27765] rt_sigprocmask(SIG_SETMASK, [], [pid 27764] rt_sigprocmask(SIG_SETMASK, [], [pid 27763] <... openat resumed>) = 3 [pid 27762] <... mmap resumed>) = 0x7f02635ac000 [pid 27761] <... mmap resumed>) = 0x7f02635ac000 [pid 27755] <... futex resumed>) = 0 [pid 27765] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27763] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27762] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27761] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27755] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27765] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27764] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27763] <... futex resumed>) = 1 [pid 27762] <... mprotect resumed>) = 0 [pid 27761] <... mprotect resumed>) = 0 [pid 27754] <... futex resumed>) = 0 [pid 27765] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27764] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27763] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27762] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27761] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27754] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27765] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27764] <... openat resumed>) = 3 [pid 27763] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27762] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27761] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27754] <... futex resumed>) = 0 [pid 27765] <... futex resumed>) = 1 [pid 27764] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27763] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27762] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27761] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27758] <... futex resumed>) = 0 [pid 27754] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27765] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27764] <... futex resumed>) = 1 [pid 27763] <... write resumed>) = 9 [pid 27758] exit_group(0 [pid 27755] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27767 attached ./strace-static-x86_64: Process 27768 attached [pid 27766] <... set_robust_list resumed>) = 0 [pid 27765] <... futex resumed>) = ? [pid 27764] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27763] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27762] <... clone3 resumed> => {parent_tid=[27767]}, 88) = 27767 [pid 27761] <... clone3 resumed> => {parent_tid=[27768]}, 88) = 27768 [pid 27759] <... futex resumed>) = ? [pid 27758] <... exit_group resumed>) = ? [pid 27755] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27768] set_robust_list(0x7f02635cc9a0, 24 [pid 27767] set_robust_list(0x7f02635cc9a0, 24 [pid 27766] rt_sigprocmask(SIG_SETMASK, [], [pid 27765] +++ exited with 0 +++ [pid 27764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27763] <... futex resumed>) = 1 [pid 27762] rt_sigprocmask(SIG_SETMASK, [], [pid 27761] rt_sigprocmask(SIG_SETMASK, [], [pid 27759] +++ exited with 0 +++ [pid 27755] <... futex resumed>) = 0 [pid 27754] <... futex resumed>) = 0 [pid 27762] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27761] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27758] +++ exited with 0 +++ [pid 27762] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27761] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27766] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27764] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27763] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27762] <... futex resumed>) = 0 [pid 27761] <... futex resumed>) = 0 [pid 27755] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27754] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27758, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27767] <... set_robust_list resumed>) = 0 [pid 27768] <... set_robust_list resumed>) = 0 [pid 27762] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27761] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 27766] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10) = -1 EINVAL (Invalid argument) [pid 27766] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 27752] <... futex resumed>) = 0 [pid 27766] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27752] exit_group(0 [pid 27766] <... futex resumed>) = ? [pid 27756] <... futex resumed>) = ? [pid 27752] <... exit_group resumed>) = ? [pid 27763] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 298] <... restart_syscall resumed>) = 0 [pid 27768] rt_sigprocmask(SIG_SETMASK, [], [pid 27767] rt_sigprocmask(SIG_SETMASK, [], [pid 27766] +++ exited with 0 +++ [pid 27764] <... write resumed>) = 9 [pid 27763] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27756] +++ exited with 0 +++ [pid 27754] <... futex resumed>) = 0 [pid 27752] +++ exited with 0 +++ [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27768] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27764] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27763] <... write resumed>) = 10 [pid 27754] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27769 attached [pid 27769] set_robust_list(0x555555eba6a0, 24 [pid 27764] <... futex resumed>) = 1 [pid 27763] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27754] <... futex resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27769 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27752, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27769] <... set_robust_list resumed>) = 0 [pid 27764] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27763] <... futex resumed>) = 0 [pid 27755] <... futex resumed>) = 0 [pid 27754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 27769] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27763] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27755] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27754] <... mmap resumed>) = 0x7f026358b000 [pid 27769] <... prctl resumed>) = 0 [pid 27764] <... futex resumed>) = 0 [pid 27755] <... futex resumed>) = 1 [pid 27754] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 297] <... restart_syscall resumed>) = 0 [pid 27769] setpgid(0, 0 [pid 27764] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27755] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27769] <... setpgid resumed>) = 0 [pid 27764] <... write resumed>) = 10 [pid 27754] <... mprotect resumed>) = 0 [pid 27755] <... futex resumed>) = 0 [pid 27769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27764] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27754] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27769] <... openat resumed>) = 3 [pid 27764] <... futex resumed>) = 0 [pid 27755] <... mmap resumed>) = 0x7f026358b000 [pid 27754] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27769] write(3, "1000", 4 [pid 27764] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27755] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27754] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27769] <... write resumed>) = 4 [pid 27769] close(3) = 0 [pid 27769] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27769] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, NULL, 8) = 0 [pid 27769] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27755] <... mprotect resumed>) = 0 [pid 27769] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27755] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27754] <... clone3 resumed> => {parent_tid=[27771]}, 88) = 27771 [pid 27755] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27770 [pid 27769] <... mmap resumed>) = 0x7f02635ac000 [pid 27767] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27755] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27754] rt_sigprocmask(SIG_SETMASK, [], [pid 27769] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 27769] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27767] <... openat resumed>) = 3 [pid 27754] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27769] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27767] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27755] <... clone3 resumed> => {parent_tid=[27772]}, 88) = 27772 [pid 27754] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27769] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27755] rt_sigprocmask(SIG_SETMASK, [], [pid 27754] <... futex resumed>) = 0 [pid 27762] <... futex resumed>) = 0 [pid 27755] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27754] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27769] <... clone3 resumed> => {parent_tid=[27773]}, 88) = 27773 [pid 27767] <... futex resumed>) = 1 [pid 27762] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27755] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27770 attached [pid 27769] rt_sigprocmask(SIG_SETMASK, [], [pid 27762] <... futex resumed>) = 0 [pid 27755] <... futex resumed>) = 0 [pid 27767] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27770] set_robust_list(0x555555eba6a0, 24 [pid 27769] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27762] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27755] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27767] <... write resumed>) = 9 ./strace-static-x86_64: Process 27771 attached [pid 27770] <... set_robust_list resumed>) = 0 [pid 27769] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27767] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27771] set_robust_list(0x7f02635ab9a0, 24 [pid 27770] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27769] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27772 attached [pid 27771] <... set_robust_list resumed>) = 0 [pid 27770] <... prctl resumed>) = 0 [pid 27769] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27768] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27767] <... futex resumed>) = 1 [pid 27762] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27773 attached [pid 27772] set_robust_list(0x7f02635ab9a0, 24 [pid 27771] rt_sigprocmask(SIG_SETMASK, [], [pid 27770] setpgid(0, 0 [pid 27762] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27772] <... set_robust_list resumed>) = 0 [pid 27771] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27770] <... setpgid resumed>) = 0 [pid 27767] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27762] <... futex resumed>) = 0 [pid 27772] rt_sigprocmask(SIG_SETMASK, [], [pid 27771] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27767] <... write resumed>) = 10 [pid 27762] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27773] set_robust_list(0x7f02635cc9a0, 24 [pid 27772] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27771] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27770] <... openat resumed>) = 3 [pid 27768] <... openat resumed>) = 3 [pid 27767] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27762] <... futex resumed>) = 0 [pid 27772] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27771] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27770] write(3, "1000", 4 [pid 27762] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27767] <... futex resumed>) = 0 [pid 27772] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27771] <... futex resumed>) = 1 [pid 27770] <... write resumed>) = 4 [pid 27768] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27762] <... mmap resumed>) = 0x7f026358b000 [pid 27767] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27754] <... futex resumed>) = 0 [pid 27772] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27771] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27770] close(3 [pid 27762] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27754] exit_group(0 [pid 27773] <... set_robust_list resumed>) = 0 [pid 27772] <... futex resumed>) = 1 [pid 27771] <... futex resumed>) = ? [pid 27770] <... close resumed>) = 0 [pid 27768] <... futex resumed>) = 1 [pid 27762] <... mprotect resumed>) = 0 [pid 27761] <... futex resumed>) = 0 [pid 27755] <... futex resumed>) = 0 [pid 27754] <... exit_group resumed>) = ? [pid 27773] rt_sigprocmask(SIG_SETMASK, [], [pid 27772] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27771] +++ exited with 0 +++ [pid 27770] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27768] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27763] <... futex resumed>) = ? [pid 27762] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27761] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27755] exit_group(0 [pid 27770] <... futex resumed>) = 0 [pid 27762] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27761] <... futex resumed>) = 0 [pid 27770] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27762] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27761] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27770] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27770] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27762] <... clone3 resumed> => {parent_tid=[27774]}, 88) = 27774 [pid 27772] <... futex resumed>) = ? [pid 27770] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27768] <... write resumed>) = 9 [pid 27764] <... futex resumed>) = ? [pid 27763] +++ exited with 0 +++ [pid 27762] rt_sigprocmask(SIG_SETMASK, [], [pid 27755] <... exit_group resumed>) = ? [pid 27754] +++ exited with 0 +++ ./strace-static-x86_64: Process 27774 attached [pid 27773] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27772] +++ exited with 0 +++ [pid 27770] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27768] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27764] +++ exited with 0 +++ [pid 27762] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27754, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27774] set_robust_list(0x7f02635ab9a0, 24 [pid 27773] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27770] <... mmap resumed>) = 0x7f02635ac000 [pid 27762] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27755] +++ exited with 0 +++ [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 27774] <... set_robust_list resumed>) = 0 [pid 27773] <... openat resumed>) = 3 [pid 27770] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27762] <... futex resumed>) = 0 [pid 299] <... restart_syscall resumed>) = 0 [pid 27773] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27770] <... mprotect resumed>) = 0 [pid 27774] rt_sigprocmask(SIG_SETMASK, [], [pid 27762] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27755, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27774] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27773] <... futex resumed>) = 1 [pid 27770] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27769] <... futex resumed>) = 0 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 27774] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27773] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27770] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27769] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27774] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27773] <... write resumed>) = 9 [pid 27770] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27769] <... futex resumed>) = 0 [pid 27768] <... futex resumed>) = 1 [pid 27761] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27775 attached ./strace-static-x86_64: Process 27776 attached [pid 27769] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27761] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... restart_syscall resumed>) = 0 [pid 27775] set_robust_list(0x7f02635cc9a0, 24 [pid 27770] <... clone3 resumed> => {parent_tid=[27775]}, 88) = 27775 [pid 27761] <... futex resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x555555eba690) = 27776 [pid 27776] set_robust_list(0x555555eba6a0, 24 [pid 27775] <... set_robust_list resumed>) = 0 [pid 27770] rt_sigprocmask(SIG_SETMASK, [], [pid 27761] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27776] <... set_robust_list resumed>) = 0 [pid 27775] rt_sigprocmask(SIG_SETMASK, [], [pid 27770] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27761] <... futex resumed>) = 0 [pid 27775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27770] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27776] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27775] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27770] <... futex resumed>) = 0 [pid 27768] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27761] <... mmap resumed>) = 0x7f026358b000 [pid 27770] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27768] <... write resumed>) = 10 [pid 27761] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27774] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27773] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27768] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27761] <... mprotect resumed>) = 0 [pid 27774] <... futex resumed>) = 1 [pid 27773] <... futex resumed>) = 1 [pid 27769] <... futex resumed>) = 0 [pid 27768] <... futex resumed>) = 0 [pid 27762] <... futex resumed>) = 0 [pid 27761] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27774] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27773] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27769] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27768] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27762] exit_group(0 [pid 27761] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27776] <... prctl resumed>) = 0 [pid 27775] <... openat resumed>) = 3 [pid 27774] <... futex resumed>) = ? [pid 27773] <... write resumed>) = 10 [pid 27769] <... futex resumed>) = 0 [pid 27767] <... futex resumed>) = ? [pid 27762] <... exit_group resumed>) = ? [pid 27761] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0}./strace-static-x86_64: Process 27777 attached [pid 27776] setpgid(0, 0 [pid 27775] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27774] +++ exited with 0 +++ [pid 27773] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27769] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27767] +++ exited with 0 +++ [pid 294] <... clone resumed>, child_tidptr=0x555555eba690) = 27777 ./strace-static-x86_64: Process 27778 attached [pid 27777] set_robust_list(0x555555eba6a0, 24 [pid 27776] <... setpgid resumed>) = 0 [pid 27775] <... futex resumed>) = 1 [pid 27773] <... futex resumed>) = 0 [pid 27770] <... futex resumed>) = 0 [pid 27769] <... futex resumed>) = 0 [pid 27762] +++ exited with 0 +++ [pid 27778] set_robust_list(0x7f02635ab9a0, 24 [pid 27775] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27773] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27770] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27761] <... clone3 resumed> => {parent_tid=[27778]}, 88) = 27778 [pid 27776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27778] <... set_robust_list resumed>) = 0 [pid 27775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27770] <... futex resumed>) = 0 [pid 27769] <... mmap resumed>) = 0x7f026358b000 [pid 27761] rt_sigprocmask(SIG_SETMASK, [], [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27762, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27778] rt_sigprocmask(SIG_SETMASK, [], [pid 27776] <... openat resumed>) = 3 [pid 27775] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27770] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27769] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27761] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27777] <... set_robust_list resumed>) = 0 [pid 27776] write(3, "1000", 4 [pid 27775] <... write resumed>) = 9 [pid 27769] <... mprotect resumed>) = 0 [pid 27761] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 27779 attached [pid 27778] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27776] <... write resumed>) = 4 [pid 27775] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27769] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27761] <... futex resumed>) = 0 [pid 295] <... clone resumed>, child_tidptr=0x555555eba690) = 27779 [pid 27779] set_robust_list(0x555555eba6a0, 24 [pid 27778] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27776] close(3 [pid 27775] <... futex resumed>) = 1 [pid 27770] <... futex resumed>) = 0 [pid 27777] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27769] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27761] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27779] <... set_robust_list resumed>) = 0 [pid 27778] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27777] <... prctl resumed>) = 0 [pid 27776] <... close resumed>) = 0 [pid 27775] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27770] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27769] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 27780 attached [pid 27779] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27778] <... futex resumed>) = 0 [pid 27777] setpgid(0, 0 [pid 27776] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27770] <... futex resumed>) = 0 [pid 27761] exit_group(0 [pid 27780] set_robust_list(0x7f02635ab9a0, 24 [pid 27779] <... prctl resumed>) = 0 [pid 27777] <... setpgid resumed>) = 0 [pid 27776] <... futex resumed>) = 0 [pid 27775] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27769] <... clone3 resumed> => {parent_tid=[27780]}, 88) = 27780 [pid 27768] <... futex resumed>) = ? [pid 27761] <... exit_group resumed>) = ? [pid 27780] <... set_robust_list resumed>) = 0 [pid 27779] setpgid(0, 0 [pid 27778] +++ exited with 0 +++ [pid 27777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27776] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27775] <... write resumed>) = 10 [pid 27770] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27769] rt_sigprocmask(SIG_SETMASK, [], [pid 27768] +++ exited with 0 +++ [pid 27761] +++ exited with 0 +++ [pid 27776] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27775] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27770] <... futex resumed>) = 0 [pid 27769] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27761, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27777] <... openat resumed>) = 3 [pid 27776] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27775] <... futex resumed>) = 0 [pid 27770] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27769] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27777] write(3, "1000", 4 [pid 27776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27775] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27770] <... mmap resumed>) = 0x7f026358b000 [pid 27769] <... futex resumed>) = 0 [pid 27777] <... write resumed>) = 4 [pid 27776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27770] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27769] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27780] rt_sigprocmask(SIG_SETMASK, [], [pid 27779] <... setpgid resumed>) = 0 [pid 27777] close(3 [pid 27776] <... mmap resumed>) = 0x7f02635ac000 [pid 27770] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 27781 attached [pid 27776] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27777] <... close resumed>) = 0 [pid 27781] set_robust_list(0x555555eba6a0, 24 [pid 27777] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27776] <... mprotect resumed>) = 0 [pid 27770] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] <... clone resumed>, child_tidptr=0x555555eba690) = 27781 [pid 27781] <... set_robust_list resumed>) = 0 [pid 27781] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27777] <... futex resumed>) = 0 [pid 27776] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27770] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27781] <... prctl resumed>) = 0 [pid 27777] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27776] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27770] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27781] setpgid(0, 0 [pid 27777] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27776] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27781] <... setpgid resumed>) = 0 [pid 27777] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27777] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27770] <... clone3 resumed> => {parent_tid=[27782]}, 88) = 27782 [pid 27777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27776] <... clone3 resumed> => {parent_tid=[27783]}, 88) = 27783 [pid 27770] rt_sigprocmask(SIG_SETMASK, [], [pid 27776] rt_sigprocmask(SIG_SETMASK, [], [pid 27777] <... mmap resumed>) = 0x7f02635ac000 [pid 27776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27770] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27777] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27776] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27770] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27777] <... mprotect resumed>) = 0 [pid 27776] <... futex resumed>) = 0 [pid 27770] <... futex resumed>) = 0 [pid 27781] <... openat resumed>) = 3 [pid 27777] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27776] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27770] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27781] write(3, "1000", 4 [pid 27777] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27781] <... write resumed>) = 4 [pid 27781] close(3 [pid 27777] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27781] <... close resumed>) = 0 ./strace-static-x86_64: Process 27782 attached [pid 27781] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27777] <... clone3 resumed> => {parent_tid=[27784]}, 88) = 27784 [pid 27777] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27777] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 27783 attached [pid 27782] set_robust_list(0x7f02635ab9a0, 24 [pid 27781] <... futex resumed>) = 0 [pid 27777] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27783] set_robust_list(0x7f02635cc9a0, 24 [pid 27782] <... set_robust_list resumed>) = 0 [pid 27781] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27783] <... set_robust_list resumed>) = 0 [pid 27782] rt_sigprocmask(SIG_SETMASK, [], [pid 27781] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27783] rt_sigprocmask(SIG_SETMASK, [], [pid 27782] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27781] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27783] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27782] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27781] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27783] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27782] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27781] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27783] <... openat resumed>) = 3 [pid 27782] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27781] <... mmap resumed>) = 0x7f02635ac000 [pid 27783] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27782] <... futex resumed>) = 1 [pid 27781] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27779] <... openat resumed>) = 3 [pid 27770] <... futex resumed>) = 0 ./strace-static-x86_64: Process 27784 attached [pid 27783] <... futex resumed>) = 1 [pid 27782] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27781] <... mprotect resumed>) = 0 [pid 27780] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27779] write(3, "1000", 4 [pid 27776] <... futex resumed>) = 0 [pid 27770] exit_group(0 [pid 27784] set_robust_list(0x7f02635cc9a0, 24 [pid 27783] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27782] <... futex resumed>) = ? [pid 27781] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27779] <... write resumed>) = 4 [pid 27776] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27775] <... futex resumed>) = ? [pid 27770] <... exit_group resumed>) = ? [pid 27784] <... set_robust_list resumed>) = 0 [pid 27783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27782] +++ exited with 0 +++ [pid 27781] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27780] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27779] close(3 [pid 27776] <... futex resumed>) = 0 [pid 27775] +++ exited with 0 +++ [pid 27770] +++ exited with 0 +++ [pid 27784] rt_sigprocmask(SIG_SETMASK, [], [pid 27783] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27781] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27780] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27779] <... close resumed>) = 0 [pid 27776] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27784] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27783] <... write resumed>) = 9 [pid 27780] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27779] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27770, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 27785 attached [pid 27784] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27783] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27781] <... clone3 resumed> => {parent_tid=[27785]}, 88) = 27785 [pid 27784] <... openat resumed>) = 3 [pid 27783] <... futex resumed>) = 1 [pid 27781] rt_sigprocmask(SIG_SETMASK, [], [pid 27780] <... futex resumed>) = 1 [pid 27779] <... futex resumed>) = 0 [pid 27776] <... futex resumed>) = 0 [pid 27769] <... futex resumed>) = 0 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 27785] set_robust_list(0x7f02635cc9a0, 24 [pid 27784] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27783] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27781] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27780] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27779] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27776] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27769] exit_group(0 [pid 297] <... restart_syscall resumed>) = 0 [pid 27784] <... futex resumed>) = 1 [pid 27783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27781] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27779] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27777] <... futex resumed>) = 0 [pid 27776] <... futex resumed>) = 0 [pid 27773] <... futex resumed>) = ? [pid 27769] <... exit_group resumed>) = ? [pid 27780] <... futex resumed>) = ? [pid 27784] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27783] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27781] <... futex resumed>) = 0 [pid 27779] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27777] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27776] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27773] +++ exited with 0 +++ [pid 27784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27783] <... write resumed>) = 10 [pid 27781] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27777] <... futex resumed>) = 0 [pid 27776] <... futex resumed>) = 0 [pid 27784] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27783] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27779] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27777] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27784] <... write resumed>) = 9 [pid 27783] <... futex resumed>) = 0 [pid 27780] +++ exited with 0 +++ [pid 27779] <... mmap resumed>) = 0x7f02635ac000 [pid 27776] <... mmap resumed>) = 0x7f026358b000 [pid 27769] +++ exited with 0 +++ [pid 27784] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27783] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27776] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27784] <... futex resumed>) = 1 [pid 27776] <... mprotect resumed>) = 0 [pid 27777] <... futex resumed>) = 0 [pid 27779] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27784] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27777] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27776] rt_sigprocmask(SIG_BLOCK, ~[], [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27769, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... clone resumed>, child_tidptr=0x555555eba690) = 27786 [pid 27784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27779] <... mprotect resumed>) = 0 [pid 27777] <... futex resumed>) = 0 [pid 27776] <... rt_sigprocmask resumed>[], 8) = 0 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 27784] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27777] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27776] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 298] <... restart_syscall resumed>) = 0 [pid 27784] <... write resumed>) = 10 [pid 27779] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27777] <... futex resumed>) = 0 [pid 27784] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27779] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27776] <... clone3 resumed> => {parent_tid=[27787]}, 88) = 27787 ./strace-static-x86_64: Process 27787 attached ./strace-static-x86_64: Process 27786 attached [pid 27785] <... set_robust_list resumed>) = 0 [pid 27784] <... futex resumed>) = 0 [pid 27779] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27777] <... mmap resumed>) = 0x7f026358b000 [pid 27776] rt_sigprocmask(SIG_SETMASK, [], [pid 27784] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27777] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 27786] set_robust_list(0x555555eba6a0, 24 [pid 27785] rt_sigprocmask(SIG_SETMASK, [], [pid 27779] <... clone3 resumed> => {parent_tid=[27788]}, 88) = 27788 [pid 27777] <... mprotect resumed>) = 0 [pid 27776] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27786] <... set_robust_list resumed>) = 0 [pid 27785] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27776] <... futex resumed>) = 0 [pid 27786] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27785] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW [pid 27776] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27786] <... prctl resumed>) = 0 [pid 27785] <... openat resumed>) = 3 [pid 27779] rt_sigprocmask(SIG_SETMASK, [], [pid 27777] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27777] <... rt_sigprocmask resumed>[], 8) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555eba690) = 27789 [pid 27779] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27777] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27779] <... futex resumed>) = 0 [pid 27786] setpgid(0, 0 [pid 27785] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27786] <... setpgid resumed>) = 0 [pid 27785] <... futex resumed>) = 1 [pid 27781] <... futex resumed>) = 0 [pid 27779] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 27790 attached ./strace-static-x86_64: Process 27789 attached ./strace-static-x86_64: Process 27788 attached [pid 27786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27785] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9 [pid 27781] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27777] <... clone3 resumed> => {parent_tid=[27790]}, 88) = 27790 [pid 27786] <... openat resumed>) = 3 [pid 27785] <... write resumed>) = 9 [pid 27781] <... futex resumed>) = 0 [pid 27777] rt_sigprocmask(SIG_SETMASK, [], [pid 27786] write(3, "1000", 4 [pid 27785] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27781] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27777] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27786] <... write resumed>) = 4 [pid 27785] <... futex resumed>) = 0 [pid 27781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 27777] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27786] close(3 [pid 27785] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27781] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27777] <... futex resumed>) = 0 [pid 27786] <... close resumed>) = 0 [pid 27785] <... write resumed>) = 10 [pid 27781] <... futex resumed>) = 0 [pid 27777] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27786] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27785] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27781] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27786] <... futex resumed>) = 0 [pid 27785] <... futex resumed>) = 0 [pid 27781] <... futex resumed>) = 0 [pid 27786] rt_sigaction(SIGRT_1, {sa_handler=0x7f0263631350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02636229d0}, [pid 27785] futex(0x7f0263695308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27781] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27786] <... rt_sigaction resumed>NULL, 8) = 0 [pid 27781] <... mmap resumed>) = 0x7f026358b000 [pid 27786] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 27781] mprotect(0x7f026358c000, 131072, PROT_READ|PROT_WRITE [pid 27786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27781] <... mprotect resumed>) = 0 [pid 27789] set_robust_list(0x555555eba6a0, 24 [pid 27790] set_robust_list(0x7f02635ab9a0, 24 [pid 27787] set_robust_list(0x7f02635ab9a0, 24 [pid 27786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 27781] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27786] <... mmap resumed>) = 0x7f02635ac000 [pid 27781] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27789] <... set_robust_list resumed>) = 0 [pid 27790] <... set_robust_list resumed>) = 0 [pid 27786] mprotect(0x7f02635ad000, 131072, PROT_READ|PROT_WRITE [pid 27781] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635ab990, parent_tid=0x7f02635ab990, exit_signal=0, stack=0x7f026358b000, stack_size=0x20300, tls=0x7f02635ab6c0} [pid 27786] <... mprotect resumed>) = 0 [pid 27786] rt_sigprocmask(SIG_BLOCK, ~[], [pid 27781] <... clone3 resumed> => {parent_tid=[27791]}, 88) = 27791 [pid 27790] rt_sigprocmask(SIG_SETMASK, [], [pid 27789] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 27786] <... rt_sigprocmask resumed>[], 8) = 0 [pid 27781] rt_sigprocmask(SIG_SETMASK, [], [pid 27790] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27790] write(3, "\x75\x6e\x6c\x6f\x63\x6b\x20\x69\x6f\x00", 10 [pid 27789] <... prctl resumed>) = 0 [pid 27788] set_robust_list(0x7f02635cc9a0, 24 [pid 27786] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02635cc990, parent_tid=0x7f02635cc990, exit_signal=0, stack=0x7f02635ac000, stack_size=0x20300, tls=0x7f02635cc6c0} [pid 27781] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27790] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 27789] setpgid(0, 0 [pid 27787] <... set_robust_list resumed>) = 0 [pid 27781] futex(0x7f0263695318, FUTEX_WAKE_PRIVATE, 1000000 [pid 27790] futex(0x7f026369531c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27789] <... setpgid resumed>) = 0 [pid 27786] <... clone3 resumed> => {parent_tid=[27792]}, 88) = 27792 [pid 27781] <... futex resumed>) = 0 [pid 27790] <... futex resumed>) = 1 [pid 27786] rt_sigprocmask(SIG_SETMASK, [], [pid 27781] futex(0x7f026369531c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27777] <... futex resumed>) = 0 [pid 27786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 27790] futex(0x7f0263695318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 27786] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000 [pid 27777] exit_group(0 [pid 27790] <... futex resumed>) = ? [pid 27789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 27786] <... futex resumed>) = 0 [pid 27784] <... futex resumed>) = ? [pid 27777] <... exit_group resumed>) = ? [pid 27790] +++ exited with 0 +++ [pid 27786] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27784] +++ exited with 0 +++ ./strace-static-x86_64: Process 27792 attached [pid 27792] set_robust_list(0x7f02635cc9a0, 24) = 0 [pid 27792] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 27792] openat(AT_FDCWD, "/dev/vga_arbiter", O_RDWR|O_TRUNC|O_NOFOLLOW) = 3 [pid 27777] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27777, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 27792] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27789] <... openat resumed>) = 3 [pid 27786] <... futex resumed>) = 0 [pid 27786] futex(0x7f0263695308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 27786] futex(0x7f026369530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 27792] <... futex resumed>) = 1 [pid 27792] write(3, "\x6c\x6f\x63\x6b\x20\x6d\x65\x6d\x00", 9) = 9 [pid 27792] futex(0x7f026369530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 27786] <... futex resumed>) = 0 [pid 27786] futex(0x7f0263695308, FUTEX_WAKE_P