witness: lock order reversal: 1st 0xffff8000299bee30 &cq->cq_mtx (&cq->cq_mtx) 2nd 0xffffffff83ab2620 &sched_lock (&sched_lock) lock order [1] &cq->cq_mtx (&cq->cq_mtx) -> [2] &sched_lock (&sched_lock) #0 mtx_enter+0x95 sys/kern/kern_lock.c:406 #1 sleep_setup+0xed sys/kern/kern_synch.c:304 #2 msleep_nsec+0x10b sys/kern/kern_synch.c:217 #3 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 #4 dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #4 dtclose+0x109 sys/dev/dt/dt_dev.c:239 #5 spec_close+0x466 sys/kern/spec_vnops.c:-1 #6 VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 #7 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] #7 vn_closefile+0x12b sys/kern/vfs_vnops.c:615 #8 fdrop+0x121 sys/kern/kern_descrip.c:1281 #9 closef+0x192 sys/kern/kern_descrip.c:1265 #10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 lock order [2] &sched_lock (&sched_lock) -> [1] &cq->cq_mtx (&cq->cq_mtx) #0 mtx_enter+0x95 sys/kern/kern_lock.c:406 #1 clockintr_cancel+0x2f sys/kern/kern_clockintr.c:323 #2 mi_switch+0x187 sys/kern/sched_bsd.c:376 #3 sleep_finish+0x2d8 sys/kern/kern_synch.c:369 #4 sys_futex+0xb90 futex_wait sys/kern/sys_futex.c:306 [inline] #4 sys_futex+0xb90 sys/kern/sys_futex.c:155 #5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #6 Xsyscall+0x128 Stopped at db_enter+0x25: addq $0x8,%rsp ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(ffffffff83ab2620,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1 mtx_enter(ffffffff83ab2610) at mtx_enter+0x95 sys/kern/kern_lock.c:406 sleep_setup(ffff8000299bee80,220,ffffffff834c5ee9) at sleep_setup+0xed sys/kern/kern_synch.c:304 msleep_nsec(ffff8000299bee80,ffff8000299bee20,220,ffffffff834c5ee9,ffffffffffffffff) at msleep_nsec+0x10b sys/kern/kern_synch.c:217 dt_ioctl_record_stop(ffff80000172e000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(21e5f,81,2000,ffff800032ba4fb8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff800032ba4fb8) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003386adf0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd80607bf648,81,fffffd80097fd820,ffff800032ba4fb8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c8efb70,ffff800032ba4fb8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c8efb70,ffff800032ba4fb8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c8efb70,ffff800032ba4fb8) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd806c8efb70,ffff800032ba4fb8) at closef+0x192 sys/kern/kern_descrip.c:1265 syscall(ffff80003386b050) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003386b050) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb1c15cfd420, count: -14 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80003386aac0 rbx 0 rdx 0 rcx 0xffff800032ba4fb8 rax 0xffffffff83942ff0 cpu_info_full_primary+0x1ff0 r8 0xffff80003386a9a0 r9 0x8080808080808080 r10 0x9b90c45573a80812 r11 0xb6a2540d04497c4 r12 0xfffffd800402ee40 r13 0xfffffd80047d9330 r14 0x3 r15 0xffffffff834b0c55 substchar+0x93dc rip 0xffffffff81c226d5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003386aab0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=362335 pid=58070 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800032ba42c0,0xffff8000338617a0 process=0xffff800033814028 user=0xffff800033866000, vmspace=0xfffffd806f578008 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 67201 42265 4366 0 7 0 syz-executor 67201 37468 4366 0 2 0x4000000 syz-executor 6004 129995 85378 0 2 0 syz-executor 6004 513743 85378 0 2 0x4000000 syz-executor 65577 144364 16657 0 2 0 syz-executor 65577 501581 16657 0 3 0x4000080 fsleep syz-executor 65577 117340 16657 0 3 0x4000080 fsleep syz-executor 58070 470545 13212 0 2 0 syz-executor *58070 362335 13212 0 7 0x4000000 syz-executor 58070 402672 13212 0 3 0x4000080 fsleep syz-executor 56917 26814 79682 0 2 0 syz-executor 56917 445755 79682 0 3 0x4000000 inode syz-executor 56917 414979 79682 0 3 0x4000000 biowait syz-executor 61133 235732 4792 0 2 0 syz-executor 61133 194731 4792 0 2 0x4000000 syz-executor 96850 9048 36497 0 2 0 syz-executor 96850 123031 36497 0 2 0x4000000 syz-executor 96850 230506 36497 0 3 0x4000080 fsleep syz-executor 89921 315722 44285 0 2 0x2 syz-executor 4792 132451 44285 0 3 0x82 nanoslp syz-executor 25527 76846 1 0 3 0x80 nanoslp init 16657 252059 44285 0 3 0x82 nanoslp syz-executor 33287 290578 0 0 3 0x14280 nfsidl nfsio 69182 74885 0 0 3 0x14280 nfsidl nfsio 96292 170056 0 0 3 0x14280 nfsidl nfsio 4489 26011 0 0 3 0x14280 nfsidl nfsio 33408 446092 0 0 3 0x14280 nfsidl nfsio 17406 75561 0 0 3 0x14280 nfsidl nfsio 44669 104444 0 0 3 0x14280 nfsidl nfsio 49904 175005 0 0 3 0x14280 nfsidl nfsio 49051 367188 0 0 3 0x14280 nfsidl nfsio 47862 30322 0 0 3 0x14280 nfsidl nfsio 31964 229186 0 0 3 0x14280 nfsidl nfsio 27709 252726 0 0 3 0x14280 nfsidl nfsio 53960 443068 0 0 3 0x14280 nfsidl nfsio 59969 458661 0 0 3 0x14280 nfsidl nfsio 25702 459713 0 0 3 0x14280 nfsidl nfsio 26687 161651 0 0 3 0x14280 nfsidl nfsio 28608 222201 0 0 3 0x14280 nfsidl nfsio 51250 72869 0 0 3 0x14280 nfsidl nfsio 9412 153792 0 0 3 0x14280 nfsidl nfsio 45865 500480 0 0 3 0x14280 nfsidl nfsio 79682 225702 44285 0 3 0x82 nanoslp syz-executor 36497 48565 44285 0 3 0x82 nanoslp syz-executor 13212 129198 44285 0 3 0x82 nanoslp syz-executor 4366 177047 44285 0 3 0x82 nanoslp syz-executor 85378 77587 44285 0 2 0x3 syz-executor 44285 364825 49733 0 3 0x82 kqread syz-executor 49733 469288 83107 0 3 0x10008a sigsusp ksh 83107 307775 4013 0 3 0x98 kqread sshd-session 4013 370052 49189 0 3 0x92 kqread sshd-session 49189 110867 1 0 3 0x88 kqread sshd 11775 268266 86113 74 3 0x1100092 bpf pflogd 86113 238538 1 0 3 0x80 sbwait pflogd 42333 419234 47941 73 3 0x1100010 ffs_fsync syslogd 47941 362333 1 0 3 0x100082 sbwait syslogd 70440 11509 1 0 3 0x100080 kqread resolvd 40509 183987 4784 77 3 0x100092 kqread dhcpleased 83511 502471 4784 77 3 0x100092 kqread dhcpleased 4784 323572 1 0 3 0x80 kqread dhcpleased 14834 153258 0 0 3 0x14200 bored smr 54816 400831 0 0 2 0x14200 zerothread 71480 361114 0 0 3 0x14200 aiodoned aiodoned 9229 335769 0 0 3 0x14200 syncer update 2370 83257 0 0 3 0x14200 cleaner cleaner 49716 421736 0 0 3 0x14200 reaper reaper 25933 102186 0 0 3 0x14200 pgdaemon pagedaemon 8135 98376 0 0 3 0x14200 bored viomb 37265 121181 0 0 3 0x40014200 acpi0 acpi0 97898 501177 0 0 3 0x40014200 idle1 70302 473508 0 0 3 0x14200 bored softnet1 69774 400738 0 0 3 0x14200 bored softnet0 26309 453965 0 0 3 0x14200 bored systqmp 14237 285700 0 0 3 0x14200 bored systq 53856 173699 0 0 3 0x14200 tmoslp softclockmp 25162 5175 0 0 3 0x40014200 tmoslp softclock 54526 464958 0 0 3 0x40014200 idle0 1 393409 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &cq->cq_mtx r = 0 (0xffff8000299bee30) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 #3 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 #4 dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #4 dtclose+0x109 sys/dev/dt/dt_dev.c:239 #5 spec_close+0x466 sys/kern/spec_vnops.c:-1 #6 VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 #7 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] #7 vn_closefile+0x12b sys/kern/vfs_vnops.c:615 #8 fdrop+0x121 sys/kern/kern_descrip.c:1281 #9 closef+0x192 sys/kern/kern_descrip.c:1265 #10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 Process 67201 (syz-executor) thread 0xffff8000fffeb778 (37468) exclusive rwlock vmmaplk r = 0 (0xfffffd8061700aa8) #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:1880 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 #7 recall_trap+0x8 Process 58070 (syz-executor) thread 0xffff800032ba4fb8 (362335) exclusive rwlock dtlk r = 0 (0xffffffff838ed458) #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 dt_ioctl_record_stop+0x2e sys/dev/dt/dt_dev.c:572 #3 dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #3 dtclose+0x109 sys/dev/dt/dt_dev.c:239 #4 spec_close+0x466 sys/kern/spec_vnops.c:-1 #5 VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 #6 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] #6 vn_closefile+0x12b sys/kern/vfs_vnops.c:615 #7 fdrop+0x121 sys/kern/kern_descrip.c:1281 #8 closef+0x192 sys/kern/kern_descrip.c:1265 #9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #10 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8395eb80) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 vn_closefile+0x41 sys/kern/vfs_vnops.c:608 #2 fdrop+0x121 sys/kern/kern_descrip.c:1281 #3 closef+0x192 sys/kern/kern_descrip.c:1265 #4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #5 Xsyscall+0x128 exclusive mutex &cq->cq_mtx r = 0 (0xffff8000299bee30) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 #3 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 #4 dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #4 dtclose+0x109 sys/dev/dt/dt_dev.c:239 #5 spec_close+0x466 sys/kern/spec_vnops.c:-1 #6 VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 #7 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] #7 vn_closefile+0x12b sys/kern/vfs_vnops.c:615 #8 fdrop+0x121 sys/kern/kern_descrip.c:1281 #9 closef+0x192 sys/kern/kern_descrip.c:1265 #10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 Process 56917 (syz-executor) thread 0xffff800033861790 (414979) exclusive rrwlock inode r = 0 (0xfffffd806e8360e8) #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+0xbd sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 #8 ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 #9 VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121 #10 domknodat+0x469 sys/kern/vfs_syscalls.c:1659 #11 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e8b75b8) #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+0xbd 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 domknodat+0xb4 sys/kern/vfs_syscalls.c:1611 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 Process 96850 (syz-executor) thread 0xffff800032ba42c0 (123031) exclusive rrwlock inode r = 0 (0xfffffd806c87fea8) #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+0xbd 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+0x15a sys/kern/vfs_vnops.c:140 #8 doopenat+0x35b sys/kern/vfs_syscalls.c:1155 #9 sys_open+0x59 sys/kern/vfs_syscalls.c:1063 #10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 Process 89921 (syz-executor) thread 0xffff80002a25a018 (315722) exclusive rrwlock inode r = 0 (0xfffffd806e8b7808) #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+0xbd sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3143 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e7c3ef0) #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+0xbd 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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3128 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 Process 42333 (syslogd) thread 0xffff80002a243768 (419234) exclusive rrwlock inode r = 0 (0xfffffd806ed517f0) #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+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 sys_fsync+0x144 sys/kern/vfs_syscalls.c:2970 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11119 12163K 12457K 166960K 13478 0 pcb 17 15K 17K 166960K 364 0 rtable 217 10K 11K 166960K 684 0 pf 36 17K 19K 166960K 133 0 ifaddr 41 7K 8K 166960K 113 0 ifgroup 59 2K 2K 166960K 166 0 sysctl 4 1K 9K 166960K 12 0 counters 72 37K 38K 166960K 186 0 ioctlops 0 0K 4K 166960K 1686 0 iov 0 0K 16K 166960K 81 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1295 82K 82K 166960K 2279 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 13 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 105 0 dirhash 12 2K 2K 166960K 27 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 93K 166960K 1078 0 sigio 0 0K 0K 166960K 13 0 proc 64 99K 164K 166960K 816 0 subproc 72 4K 4K 166960K 117 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 273 0 in_multi 85 6K 7K 166960K 206 0 ether_multi 1 0K 0K 166960K 14 0 mrt 2 0K 0K 166960K 29 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 229 1023K 1023K 166960K 229 0 exec 0 0K 1K 166960K 587 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 234 156K 176K 166960K 11918 0 UVM aobj 28 12K 12K 166960K 31 0 pinsyscall 41 82K 103K 166960K 2380 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 56 0 NDP 13 0K 2K 166960K 76 0 temp 79 9084K 9190K 166960K 46008 0 kqueue 13 20K 30K 166960K 210 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> 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 120 243 0 240 5 4 1 3 0 8 0 rtentry 176 206 0 122 6 1 5 6 0 8 0 unpcb 144 578 0 559 4 3 1 4 0 8 0 syncache 336 5 0 5 2 2 0 1 0 8 0 tcpcb 736 327 0 323 7 3 4 5 0 8 3 arp 136 35 0 19 1 0 1 1 0 8 0 inpcb 328 1365 0 1358 15 8 7 12 0 8 6 nd6 152 42 0 20 1 0 1 1 0 8 0 pkpcb 40 8 0 8 3 2 1 1 0 8 1 kcovpl 48 13 0 5 1 0 1 1 0 8 0 ppxss 1192 43 0 43 2 1 1 1 0 8 1 pppxif 1504 5 0 5 1 0 1 1 0 8 1 pffrag 232 9 0 3 1 0 1 1 0 482 0 pffrnode 88 6 0 0 1 0 1 1 0 8 0 pffrent 40 13 0 7 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 pfrktable 1344 1 0 1 1 1 0 1 0 8 0 pfstitem 24 81 0 23 1 0 1 1 0 8 0 pfstkey 128 81 0 23 2 0 2 2 0 8 0 pfstate 448 81 0 23 7 0 7 7 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 802 0 442 31 4 27 29 0 8 2 art_table 40 805 0 442 5 0 5 5 0 8 0 art_node 32 206 0 132 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 101 0 91 1 0 1 1 0 8 0 shmpl 112 23 0 3 1 0 1 1 0 8 0 dirhash 1024 27 0 10 3 0 3 3 0 8 0 dino2pl 256 3489 0 2017 93 0 93 93 0 8 0 ffsino 296 3489 0 2017 115 1 114 115 0 8 0 nchpl 144 4889 0 3168 65 0 65 65 0 8 0 rtmask 32 11 0 11 4 3 1 1 0 8 1 vnodes 216 3968 0 0 221 0 221 221 0 8 0 namei 1024 18056 0 18052 3 2 1 2 0 8 0 percpumem 16 108 0 57 1 0 1 1 0 8 0 vcpupl 3968 5 0 0 1 0 1 1 0 8 0 vmpool 848 5 0 0 1 0 1 1 0 8 0 kstatmem 264 102 0 72 3 0 3 3 0 8 0 scsiplug 72 6 0 6 3 3 0 1 0 8 0 scxspl 216 26764 0 26762 9 8 1 8 1 8 0 plimitpl 152 211 0 193 1 0 1 1 0 8 0 sigapl 424 1414 0 1347 9 1 8 8 0 8 0 knotepl 120 342 0 0 11 0 11 11 0 8 0 kqueuepl 224 544 0 535 9 6 3 7 0 8 2 pipepl 344 262 0 235 9 6 3 9 0 8 0 fdescpl 528 1374 0 1343 3 0 3 3 0 8 0 filepl 160 9215 0 8997 32 17 15 28 0 8 4 lockfpl 104 793 0 790 2 0 2 2 0 8 1 lockfspl 48 220 0 217 1 0 1 1 0 8 0 sessionpl 144 30 0 22 1 0 1 1 0 8 0 pgrppl 48 49 0 33 1 0 1 1 0 8 0 ucredpl 104 1655 0 1641 1 0 1 1 0 8 0 zombiepl 144 1942 0 1942 1 0 1 1 0 8 1 processpl 1232 1414 0 1347 6 0 6 6 0 8 0 procpl 664 3106 0 3028 8 0 8 8 0 8 0 sosppl 176 8 0 8 3 2 1 1 0 8 1 sockpl 752 2251 0 2222 21 11 10 17 0 8 7 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 115 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 29 0 0 4 0 4 4 0 8 0 mtagpl 96 14 0 0 1 0 1 1 0 8 0 mbufpl 256 3203 0 0 200 0 200 200 0 8 0 bufpl 280 10195 0 4061 439 0 439 439 0 8 0 anonpl 32 12639 0 0 103 1 102 103 0 246 0 amapchunkpl 152 39879 0 39379 47 18 29 38 0 158 6 amappl16 200 4473 0 4441 40 28 12 27 0 8 4 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 499 0 498 1 0 1 1 0 8 0 amappl13 176 137 0 126 1 0 1 1 0 8 0 amappl12 168 1658 0 1629 2 0 2 2 0 8 0 amappl11 160 8 0 7 1 0 1 1 0 8 0 amappl10 152 68 0 54 1 0 1 1 0 8 0 amappl9 144 258 0 258 1 1 0 1 0 8 0 amappl8 136 125 0 123 1 0 1 1 0 8 0 amappl7 128 44 0 41 1 0 1 1 0 8 0 amappl6 120 327 0 316 1 0 1 1 0 8 0 amappl5 112 88 0 78 1 0 1 1 0 8 0 amappl4 104 530 0 496 2 0 2 2 0 8 0 amappl3 96 6898 0 6803 3 0 3 3 0 8 0 amappl2 88 1458 0 1387 2 0 2 2 0 8 0 amappl1 80 14300 0 13727 14 0 14 14 0 8 0 amappl 88 10971 0 10805 5 0 5 5 0 92 0 uvmvnodes 80 133 0 0 3 0 3 3 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma512 512 1 0 1 1 1 0 1 0 8 0 dma256 256 7 0 7 2 1 1 1 0 8 1 dma128 128 258 0 258 4 4 0 1 0 8 0 dma64 64 7 0 7 2 2 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 30 0 3 1 0 1 1 0 8 0 uaddrrnd 24 1374 0 1343 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1374 0 1343 1 0 1 1 0 8 0 vmmpekpl 168 12726 0 12668 4 0 4 4 0 8 0 vmmpepl 168 94288 0 92384 114 12 102 111 0 357 3 vmsppl 488 1373 0 1343 5 0 5 5 0 8 0 rwobjpl 80 27972 0 26906 33 1 32 33 0 8 0 pdppl 4096 2765 0 2691 121 44 77 85 0 8 3 pvpl 32 20333 0 0 167 3 164 164 0 265 0 pmappl 256 1378 0 1343 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 502 0 59 13 0 13 13 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(ffffffff83ab2620,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1 mtx_enter(ffffffff83ab2610) at mtx_enter+0x95 sys/kern/kern_lock.c:406 sleep_setup(ffff8000299bee80,220,ffffffff834c5ee9) at sleep_setup+0xed sys/kern/kern_synch.c:304 msleep_nsec(ffff8000299bee80,ffff8000299bee20,220,ffffffff834c5ee9,ffffffffffffffff) at msleep_nsec+0x10b sys/kern/kern_synch.c:217 dt_ioctl_record_stop(ffff80000172e000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(21e5f,81,2000,ffff800032ba4fb8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff800032ba4fb8) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003386adf0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd80607bf648,81,fffffd80097fd820,ffff800032ba4fb8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c8efb70,ffff800032ba4fb8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c8efb70,ffff800032ba4fb8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c8efb70,ffff800032ba4fb8) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd806c8efb70,ffff800032ba4fb8) at closef+0x192 sys/kern/kern_descrip.c:1265 syscall(ffff80003386b050) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003386b050) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb1c15cfd420, count: -14 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff8000299bdff0) 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 mtx_enter(ffff8000299bee20) at mtx_enter+0x377 sys/kern/kern_lock.c:454 clockintr_dispatch(ffff800033823110) at clockintr_dispatch+0x401 sys/kern/kern_clockintr.c:215 lapic_clockintr(0,0) at lapic_clockintr+0x51 sys/arch/amd64/amd64/lapic.c:482 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a end of kernel end trace frame: 0x7873172d6320, count: -7