uvm_fault(0xfffffd806ef14990, 0x0, 0, 1) -> e kernel: page fault trap, code=0 Stopped at dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 TID PID UID PRFLAGS PFLAGS CPU COMMAND 69385 42910 0 0 0 0 syz-executor dt_ioctl_record_stop(ffff800001487000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(21e5f,1,2000,ffff80003a008020) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,1,2000,ffff80003a008020) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000353e0f90) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800db23708,1,fffffd80097fb6e8,ffff80003a008020) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806fbc1820,ffff80003a008020) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806fbc1820,ffff80003a008020) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806fbc1820,ffff80003a008020) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806fbc1820,ffff80003a008020) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003a008020) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003a008020,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003a008020,ffff8000353e1300,ffff8000353e1250) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000353e1300) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000353e1300) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d5a4d56a760, count: 3 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: uvm_fault(0xfffffd806ef14990, 0x0, 0, 1) -> e ddb{1}> trace dt_ioctl_record_stop(ffff800001487000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(21e5f,1,2000,ffff80003a008020) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,1,2000,ffff80003a008020) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000353e0f90) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800db23708,1,fffffd80097fb6e8,ffff80003a008020) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806fbc1820,ffff80003a008020) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806fbc1820,ffff80003a008020) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806fbc1820,ffff80003a008020) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806fbc1820,ffff80003a008020) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003a008020) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003a008020,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003a008020,ffff8000353e1300,ffff8000353e1250) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000353e1300) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000353e1300) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d5a4d56a760, count: -12 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff8000353e0ec0 rbx 0x1 rdx 0 rcx 0xffff80003a008020 rax 0xffffffff83793810 dt_prov_static r8 0 r9 0x1 r10 0x39990659db84d826 r11 0x811a65f683c37da3 r12 0 r13 0 r14 0 r15 0xffff80000160aa00 rip 0xffffffff81eb4db8 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff8000353e0e90 ss 0x10 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb{1}> show proc PROC (syz-executor) tid=173511 pid=28656 tcnt=0 stat=onproc flags process=1018 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003a008020 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80003a0087e8,0xffff8000fffee558 process=0xffff80003c418e90 user=0xffff8000353dc000, vmspace=0xfffffd806ef14990 estcpu=36, cpticks=10, pctcpu=0.2, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 1967 223209 626 0 2 0 syz-executor 1967 70987 626 0 3 0x4000080 fsleep syz-executor 1967 180867 626 0 3 0x4000080 fsleep syz-executor 1967 7862 626 0 2 0x4000000 syz-executor 42910 69385 84572 0 7 0 syz-executor 42910 312998 84572 0 3 0x4000080 fsleep syz-executor 42910 128418 84572 0 2 0x4000000 syz-executor 3103 285749 93988 0 3 0x80 nanoslp syz-executor 3103 400675 93988 0 3 0x4000080 lockf syz-executor 3103 475350 93988 0 3 0x4000080 fsleep syz-executor 3103 80354 93988 0 3 0x4000080 fsleep syz-executor 90174 179675 94090 0 3 0x3000 suspend syz-executor 90174 455306 94090 0 2 0x4081000 syz-executor 2544 318138 30403 0 3 0x80 nanoslp syz-executor 2544 323897 30403 0 3 0x4000080 pipewr syz-executor 2544 375291 30403 0 3 0x4000080 pipewr syz-executor 626 191090 68075 0 3 0x82 nanoslp syz-executor 61542 427224 1 0 3 0x100083 ttyopn getty 30403 171922 68075 0 3 0x82 nanoslp syz-executor 85810 472493 68075 0 2 0x2 syz-executor 29106 8608 0 0 3 0x14200 acct acct 65128 129277 7338 0 3 0x82 sbwait sshd-session 84572 233298 68075 0 3 0x82 nanoslp syz-executor 58913 431761 0 0 3 0x14200 bored sosplice 94090 69891 68075 0 3 0x82 nanoslp syz-executor 52216 489647 68075 0 2 0x2 syz-executor 7920 59670 68075 0 3 0x82 nanoslp syz-executor 93988 246259 68075 0 3 0x82 nanoslp syz-executor 68075 487154 51055 0 3 0x82 kqread syz-executor 51055 51500 94001 0 3 0x10008a sigsusp ksh 94001 234342 80360 0 3 0x98 kqread sshd-session 80360 511783 7338 0 3 0x92 kqread sshd-session 7338 172698 1 0 3 0x88 kqread sshd 46634 252134 40788 74 3 0x1100092 bpf pflogd 40788 462481 1 0 3 0x80 sbwait pflogd 19889 29564 77446 73 3 0x1100090 kqread syslogd 77446 285151 1 0 3 0x100082 sbwait syslogd 900 74065 1 0 3 0x100080 kqread resolvd 72928 464876 0 0 3 0x14200 bored smr 8445 138799 0 0 2 0x14200 zerothread 75114 29981 0 0 3 0x14200 aiodoned aiodoned 64619 43609 0 0 3 0x14200 syncer update 9068 482322 0 0 3 0x14200 cleaner cleaner 90902 480206 0 0 2 0x14200 reaper 42083 523121 0 0 3 0x14200 pgdaemon pagedaemon 47645 36437 0 0 3 0x14200 bored viomb 99906 219306 0 0 3 0x40014200 acpi0 acpi0 71068 509770 0 0 3 0x40014200 idle1 49751 432932 0 0 3 0x14200 bored softnet1 70892 390625 0 0 3 0x14200 bored softnet0 15288 353202 0 0 3 0x14200 bored systqmp 12475 327244 0 0 3 0x14200 bored systq 18013 456662 0 0 3 0x14200 tmoslp softclockmp 29159 429419 0 0 3 0x40014200 tmoslp softclock 10547 282710 0 0 3 0x40014200 idle0 1 252786 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 42910 (syz-executor) thread 0xffff80002a2722a8 (128418) exclusive rrwlock inode r = 0 (0xfffffd806e30acb0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 vn_open+0x1f1 sys/kern/vfs_vnops.c:107 #8 doopenat+0x35b sys/kern/vfs_syscalls.c:1138 #9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #10 Xsyscall+0x128 Process 90174 (syz-executor) thread 0xffff8000fffef4d8 (455306) exclusive rwlock vmmaplk r = 0 (0xfffffd805bfe2c98) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1902 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:699 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:633 #5 kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283 #6 kerntrap+0x198 sys/arch/amd64/amd64/trap.c:491 #7 alltraps_kern_meltdown+0x7b #8 _copyin+0x5b #9 ffs_write+0x769 sys/ufs/ffs/ffs_vnops.c:359 #10 VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 #11 vn_write+0x1d3 sys/kern/vfs_vnops.c:408 #12 dofilewritev+0x242 sys/kern/sys_generic.c:380 #13 sys_write+0xa2 sys/kern/sys_generic.c:300 #14 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #14 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #15 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e9c8490) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x242 sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 Process 85810 (syz-executor) thread 0xffff80003c459a18 (472493) exclusive rwlock vmmaplk r = 0 (0xfffffd805bfe2310) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5171 #3 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3741 #4 process_new+0x577 sys/kern/kern_fork.c:281 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd806c0d3120) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5171 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3732 #4 process_new+0x577 sys/kern/kern_fork.c:281 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #7 Xsyscall+0x128 Process 52216 (syz-executor) thread 0xffff8000fffef240 (489647) exclusive rwlock vmmaplk r = 0 (0xfffffd805bfe2ab0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5171 #3 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3741 #4 process_new+0x577 sys/kern/kern_fork.c:281 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd800b0274d0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5171 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3732 #4 process_new+0x577 sys/kern/kern_fork.c:281 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #7 Xsyscall+0x128 Process 90902 (reaper) thread 0xffff8000ffffd9f8 (480206) exclusive rwlock kmmaplk r = 0 (0xffffffff8396a2e0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5171 #3 uvm_unmap+0x7d sys/uvm/uvm_map.c:1792 #4 km_free+0x87 sys/uvm/uvm_km.c:831 #5 uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:304 #6 reaper+0x1aa sys/kern/kern_exit.c:493 #7 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10235 11068K 11189K 166960K 12099 0 pcb 19 13K 14K 166960K 262 0 rtable 239 11K 11K 166960K 685 0 pf 39 18K 32781K 166960K 183 0 ifaddr 42 7K 7K 166960K 129 0 ifgroup 59 2K 2K 166960K 209 0 sysctl 3 1K 9K 166960K 11 0 counters 70 37K 38K 166960K 222 0 ioctlops 0 0K 4K 166960K 1741 0 iov 0 0K 24K 166960K 88 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1400 88K 89K 166960K 2529 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 616K 624K 166960K 26 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 64 0 dirhash 12 2K 3K 166960K 33 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 85K 166960K 1520 0 sigio 0 0K 0K 166960K 19 0 proc 66 83K 164K 166960K 821 0 subproc 72 4K 4K 166960K 120 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 176 0 in_multi 80 6K 7K 166960K 215 0 ether_multi 2 0K 0K 166960K 30 0 mrt 2 0K 0K 166960K 16 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 241 1076K 1076K 166960K 241 0 exec 0 0K 1K 166960K 667 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 231 151K 190K 166960K 15936 0 UVM aobj 113 4K 4K 166960K 114 0 pinsyscall 39 78K 98K 166960K 2833 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 146 0 NDP 13 0K 2K 166960K 89 0 temp 79 8656K 8787K 166960K 77297 0 kqueue 8 14K 29K 166960K 313 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 244 0 243 2 1 1 2 0 8 0 rtentry 176 209 0 114 6 0 6 6 0 8 0 unpcb 144 1179 0 1165 12 9 3 6 0 8 2 syncache 336 14 0 14 4 3 1 1 0 8 1 tcpqe 32 2 0 2 2 2 0 1 0 8 0 tcpcb 736 469 0 459 7 5 2 7 0 8 0 arp 136 35 0 17 1 0 1 1 0 8 0 inpcb 328 1713 0 1699 18 12 6 12 0 8 3 nd6 152 45 0 19 2 0 2 2 0 8 0 pkpcb 40 11 0 11 6 5 1 1 0 8 1 kcovpl 48 13 0 5 1 0 1 1 0 8 0 mppekey 1024 4 0 4 3 2 1 1 0 8 1 ppxss 1192 58 0 58 3 2 1 1 0 8 1 pppxif 1504 7 0 7 3 3 0 1 0 8 0 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 12 0 5 1 0 1 1 0 482 0 pffrnode 88 12 0 5 1 0 1 1 0 8 0 pffrent 40 19 0 12 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 140 0 52 1 0 1 1 0 8 0 pfstkey 128 141 0 53 3 0 3 3 0 8 0 pfstate 384 140 0 53 10 0 10 10 0 8 0 pfrule 1344 26 0 21 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 6 0 1 5 0 5 5 0 8 0 art_heap4 256 802 0 427 30 6 24 30 0 8 0 art_table 40 808 0 428 5 0 5 5 0 8 0 art_node 32 207 0 124 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 8 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 61 0 51 1 0 1 1 0 8 0 shmpl 112 111 0 1 4 0 4 4 0 8 0 dirhash 1024 31 0 14 3 0 3 3 0 8 0 dino2pl 256 4223 0 2698 96 0 96 96 0 8 0 ffsino 296 4223 0 2698 118 0 118 118 0 8 0 nchpl 144 6430 0 5811 64 40 24 64 0 8 0 rtmask 32 8 0 8 3 3 0 1 0 8 0 vnodes 216 4862 0 0 271 0 271 271 0 8 0 namei 1024 22109 0 22108 4 3 1 2 0 8 0 percpumem 16 126 0 76 1 0 1 1 0 8 0 kstatmem 264 130 0 100 4 1 3 3 0 8 0 scsiplug 72 10 0 10 2 2 0 1 0 8 0 scxspl 216 52874 0 52874 12 10 2 8 1 8 2 plimitpl 152 367 0 349 1 0 1 1 0 8 0 sigapl 424 1853 0 1805 9 0 9 9 0 8 1 knotepl 120 812 0 0 24 0 24 24 0 8 0 kqueuepl 224 719 0 712 10 9 1 5 0 8 0 pipepl 344 296 0 268 5 2 3 4 0 8 0 fdescpl 528 1814 0 1784 3 0 3 3 0 8 0 filepl 160 12650 0 12437 30 18 12 18 0 8 0 lockfpl 104 442 0 437 2 1 1 2 0 8 0 lockfspl 48 157 0 155 1 0 1 1 0 8 0 sessionpl 144 39 0 30 1 0 1 1 0 8 0 pgrppl 48 69 0 52 1 0 1 1 0 8 0 ucredpl 104 2144 0 2133 1 0 1 1 0 8 0 zombiepl 144 2577 0 2575 1 0 1 1 0 8 0 processpl 1232 1853 0 1805 6 0 6 6 0 8 1 procpl 664 4319 0 4259 8 0 8 8 0 8 1 sosppl 168 12 0 12 4 4 0 1 0 8 0 sockpl 752 3182 0 3152 39 29 10 18 0 8 6 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 123 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 27 0 0 4 0 4 4 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 241 0 0 15 0 15 15 0 8 0 bufpl 280 22553 0 16416 439 0 439 439 0 8 0 anonpl 32 14172 0 0 115 0 115 115 0 246 0 amapchunkpl 152 53300 0 52785 37 8 29 32 0 158 2 amappl16 200 7509 0 7445 75 56 19 33 0 8 4 amappl15 192 11 0 11 2 1 1 1 0 8 1 amappl14 184 9 0 9 2 2 0 1 0 8 0 amappl13 176 509 0 508 1 0 1 1 0 8 0 amappl12 168 2239 0 2202 3 0 3 3 0 8 0 amappl11 160 34 0 32 1 0 1 1 0 8 0 amappl10 152 49 0 41 1 0 1 1 0 8 0 amappl9 144 262 0 262 1 1 0 1 0 8 0 amappl8 136 44 0 41 1 0 1 1 0 8 0 amappl7 128 98 0 97 1 0 1 1 0 8 0 amappl6 120 346 0 334 1 0 1 1 0 8 0 amappl5 112 100 0 91 1 0 1 1 0 8 0 amappl4 104 497 0 470 1 0 1 1 0 8 0 amappl3 96 9392 0 9309 4 1 3 3 0 8 0 amappl2 88 2005 0 1939 4 1 3 3 0 8 0 amappl1 80 18205 0 17625 18 3 15 16 0 8 0 amappl 88 14803 0 14637 5 0 5 5 0 92 0 uvmvnodes 80 4861 0 0 100 0 100 100 0 8 0 dma32768 32768 2 0 2 1 1 0 1 0 8 0 dma16384 16384 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma256 256 8 0 8 2 2 0 1 0 8 0 dma128 128 256 0 256 4 4 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 20 0 19 1 0 1 1 0 8 0 aobjpl 72 113 0 1 3 0 3 3 0 8 0 uaddrrnd 24 1814 0 1784 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1814 0 1784 1 0 1 1 0 8 0 vmmpekpl 168 17153 0 17095 4 0 4 4 0 8 0 vmmpepl 168 126592 0 124728 145 43 102 115 0 357 0 vmsppl 488 1813 0 1784 6 1 5 5 0 8 0 rwobjpl 80 42410 0 36514 127 1 126 126 0 8 0 pdppl 4096 3635 0 3568 115 48 67 81 0 8 0 pvpl 32 23076 0 0 187 0 187 187 0 265 0 pmappl 256 1813 0 1784 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 314 0 72 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83873ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 end of kernel end trace frame: 0x7499c95bcaa0, count: 12 ddb{0}> trace x86_ipi_db(ffffffff83873ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 end of kernel end trace frame: 0x7499c95bcaa0, count: -3 ddb{0}> machine ddbcpu 1 Stopped at dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 dt_ioctl_record_stop(ffff800001487000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(21e5f,1,2000,ffff80003a008020) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,1,2000,ffff80003a008020) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000353e0f90) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800db23708,1,fffffd80097fb6e8,ffff80003a008020) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806fbc1820,ffff80003a008020) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806fbc1820,ffff80003a008020) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806fbc1820,ffff80003a008020) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806fbc1820,ffff80003a008020) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003a008020) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003a008020,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003a008020,ffff8000353e1300,ffff8000353e1250) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000353e1300) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000353e1300) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d5a4d56a760, count: 3 ddb{1}> trace dt_ioctl_record_stop(ffff800001487000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(21e5f,1,2000,ffff80003a008020) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,1,2000,ffff80003a008020) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000353e0f90) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800db23708,1,fffffd80097fb6e8,ffff80003a008020) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806fbc1820,ffff80003a008020) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806fbc1820,ffff80003a008020) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806fbc1820,ffff80003a008020) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806fbc1820,ffff80003a008020) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003a008020) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003a008020,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003a008020,ffff8000353e1300,ffff8000353e1250) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000353e1300) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000353e1300) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d5a4d56a760, count: -12