witness: lock order reversal: 1st 0xffff8000299fee08 &cq->cq_mtx (&cq->cq_mtx) 2nd 0xffffffff838eba00 &sched_lock (&sched_lock) lock order [1] &cq->cq_mtx (&cq->cq_mtx) -> [2] &sched_lock (&sched_lock) #0 mtx_enter+0x4a sys/kern/kern_lock.c:260 #1 sleep_setup+0xc6 sys/kern/kern_synch.c:302 #2 msleep_nsec+0x10b sys/kern/kern_synch.c:217 #3 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 #4 dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #4 dtclose+0x109 sys/dev/dt/dt_dev.c:232 #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:1280 #9 closef+0x192 sys/kern/kern_descrip.c:1264 #10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #11 Xsyscall+0x128 lock order [2] &sched_lock (&sched_lock) -> [1] &cq->cq_mtx (&cq->cq_mtx) #0 mtx_enter+0x4a sys/kern/kern_lock.c:260 #1 clockintr_cancel+0x2f sys/kern/kern_clockintr.c:323 #2 mi_switch+0x16f sys/kern/sched_bsd.c:378 #3 sleep_finish+0x2d8 sys/kern/kern_synch.c:367 #4 msleep_nsec+0x132 sys/kern/kern_synch.c:219 #5 single_thread_set+0x1de sys/kern/kern_sig.c:2336 #6 exit1+0xa3 sys/kern/kern_exit.c:132 #7 sys_exit+0x1a sys/kern/kern_exit.c:-1 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #9 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(ffffffff838eba00,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 mtx_enter(ffffffff838eb9f0) at mtx_enter+0x4a sys/kern/kern_lock.c:260 sleep_setup(ffff8000299fee58,220,ffffffff833f3098) at sleep_setup+0xc6 sys/kern/kern_synch.c:302 msleep_nsec(ffff8000299fee58,ffff8000299fedf8,220,ffffffff833f3098,ffffffffffffffff) at msleep_nsec+0x10b sys/kern/kern_synch.c:217 dt_ioctl_record_stop(ffff80000148c000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(11e5f,81,2000,ffff80003c4682c0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003c4682c0) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80002a377150) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800d2a6378,81,fffffd80097fb548,ffff80003c4682c0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806fbebb40,ffff80003c4682c0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806fbebb40,ffff80003c4682c0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806fbebb40,ffff80003c4682c0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806fbebb40,ffff80003c4682c0) at closef+0x192 sys/kern/kern_descrip.c:1264 syscall(ffff80002a3773b0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3773b0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x30fa2f349d0, count: -14 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002a376e60 rbx 0 rdx 0 rcx 0xffff80003c4682c0 rax 0xffffffff8385dff0 cpu_info_full_primary+0x1ff0 r8 0xffff80002a376d40 r9 0x8080808080808080 r10 0x10c8244ad927b1a4 r11 0xbb87e56f9fd93434 r12 0xfffffd8003ef3dc0 r13 0xfffffd800469e330 r14 0x3 r15 0xffffffff833e564a substchar+0x14b90 rip 0xffffffff828dde65 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a376e50 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=403729 pid=80447 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c469cb0,0xffff80003c469790 process=0xffff80002a3139d8 user=0xffff80002a372000, vmspace=0xfffffd807379b200 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 90032 344924 67463 0 2 0 syz-executor 90032 365087 67463 0 3 0x4000080 fsleep syz-executor 90032 185883 67463 0 3 0x4000080 fsleep syz-executor 22935 372244 96505 0 2 0 syz-executor 22935 382352 96505 0 3 0x4000080 fsleep syz-executor 80447 16041 1257 0 2 0 syz-executor *80447 403729 1257 0 7 0x4000000 syz-executor 80447 471353 1257 0 3 0x4000080 fsleep syz-executor 89012 134300 32944 0 2 0 syz-executor 89012 362875 32944 0 3 0x4000000 biowait syz-executor 25592 10103 11411 0 3 0x80 nanoslp syz-executor 25592 418064 11411 0 3 0x4000080 sbwait syz-executor 6650 482175 84280 0 2 0 syz-executor 6650 39045 84280 0 3 0x4000080 ttyout syz-executor 96505 322320 30457 0 3 0x82 nanoslp syz-executor 8509 167467 0 0 3 0x14200 acct acct 11411 418435 30457 0 3 0x82 nanoslp syz-executor 73544 496411 30457 0 3 0x2 biowait syz-executor 65080 346564 30457 0 3 0x82 nanoslp syz-executor 92257 62177 1 0 3 0x100083 ttyin getty 1257 50961 30457 0 3 0x82 nanoslp syz-executor 67463 85533 30457 0 3 0x82 nanoslp syz-executor 32944 493884 30457 0 3 0x82 nanoslp syz-executor 84280 476439 30457 0 3 0x82 nanoslp syz-executor 52622 523972 0 0 3 0x14200 bored sosplice 30457 68710 92647 0 3 0x82 kqread syz-executor 92647 196744 39944 0 3 0x10008a sigsusp ksh 39944 220882 32342 0 3 0x98 kqread sshd-session 32342 129526 84832 0 3 0x92 kqread sshd-session 84832 364906 1 0 3 0x88 kqread sshd 66593 420601 62128 74 3 0x1100092 bpf pflogd 62128 438467 1 0 3 0x80 sbwait pflogd 18493 488140 51520 73 3 0x1100090 kqread syslogd 51520 116252 1 0 3 0x100082 sbwait syslogd 99001 415146 1 0 3 0x100080 kqread resolvd 39481 78571 0 0 3 0x14200 bored smr 44339 303691 0 0 2 0x14200 zerothread 90332 437559 0 0 3 0x14200 aiodoned aiodoned 65656 97923 0 0 3 0x14200 syncer update 98722 128646 0 0 3 0x14200 cleaner cleaner 55126 202964 0 0 3 0x14200 reaper reaper 58569 200678 0 0 3 0x14200 pgdaemon pagedaemon 28075 452487 0 0 3 0x14200 bored viomb 98210 478095 0 0 3 0x40014200 acpi0 acpi0 14826 499139 0 0 7 0x40014200 idle1 6557 456989 0 0 3 0x14200 bored softnet7 40862 35115 0 0 3 0x14200 bored softnet6 36192 1276 0 0 3 0x14200 bored softnet5 69696 168579 0 0 3 0x14200 bored softnet4 81638 251360 0 0 3 0x14200 bored softnet3 76282 75562 0 0 3 0x14200 bored softnet2 44564 33645 0 0 3 0x14200 bored softnet1 84247 39057 0 0 3 0x14200 bored softnet0 37402 329136 0 0 3 0x14200 bored systqmp 99450 433702 0 0 3 0x14200 bored systq 43427 138043 0 0 3 0x14200 tmoslp softclockmp 33912 94095 0 0 3 0x40014200 tmoslp softclock 47456 179730 0 0 3 0x40014200 idle0 1 307247 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 (0xffff8000299fee08) #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_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 #4 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 #5 dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #5 dtclose+0x109 sys/dev/dt/dt_dev.c:232 #6 spec_close+0x466 sys/kern/spec_vnops.c:-1 #7 VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 #8 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] #8 vn_closefile+0x12b sys/kern/vfs_vnops.c:615 #9 fdrop+0x121 sys/kern/kern_descrip.c:1280 #10 closef+0x192 sys/kern/kern_descrip.c:1264 #11 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #12 Xsyscall+0x128 Process 80447 (syz-executor) thread 0xffff80003c4682c0 (403729) exclusive rwlock dtlk r = 0 (0xffffffff83866e08) #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:565 #3 dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #3 dtclose+0x109 sys/dev/dt/dt_dev.c:232 #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:1280 #8 closef+0x192 sys/kern/kern_descrip.c:1264 #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 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838e36d0) #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:1280 #3 closef+0x192 sys/kern/kern_descrip.c:1264 #4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #5 Xsyscall+0x128 exclusive mutex &cq->cq_mtx r = 0 (0xffff8000299fee08) #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_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 #4 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 #5 dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #5 dtclose+0x109 sys/dev/dt/dt_dev.c:232 #6 spec_close+0x466 sys/kern/spec_vnops.c:-1 #7 VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 #8 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] #8 vn_closefile+0x12b sys/kern/vfs_vnops.c:615 #9 fdrop+0x121 sys/kern/kern_descrip.c:1280 #10 closef+0x192 sys/kern/kern_descrip.c:1264 #11 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #12 Xsyscall+0x128 Process 89012 (syz-executor) thread 0xffff8000ffff22a8 (362875) exclusive rrwlock inode r = 0 (0xfffffd805b488a28) #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 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:3113 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd805b4887d8) #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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3098 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 Process 73544 (syz-executor) thread 0xffff80003c469a18 (496411) exclusive rrwlock inode r = 0 (0xfffffd806c20fc68) #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 vget+0x2a2 sys/kern/vfs_subr.c:693 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e0f68b8) #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 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10268 11198K 12595K 166960K 16549 0 pcb 17 18K 34K 166960K 1294 0 rtable 214 14K 15K 166960K 1492 0 pf 44 19K 67487K 166960K 564 0 ifaddr 41 8K 10K 166960K 351 0 ifgroup 65 2K 3K 166960K 636 0 sysctl 4 1K 9K 166960K 57 0 counters 74 37K 38K 166960K 670 0 ioctlops 0 0K 4K 166960K 2695 0 iov 0 0K 24K 166960K 344 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1530 96K 97K 166960K 5849 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 32K 52K 166960K 56 0 VM map 2 1K 1K 166960K 2 0 sem 28 10K 11K 166960K 98 0 dirhash 12 2K 2K 166960K 105 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 240K 166960K 5566 0 sigio 0 0K 0K 166960K 63 0 proc 66 83K 180K 166960K 1583 0 subproc 72 4K 4K 166960K 210 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 3 0K 0K 166960K 1183 0 in_multi 68 5K 7K 166960K 441 0 ether_multi 2 0K 0K 166960K 38 0 mrt 1 0K 0K 166960K 28 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 247 1102K 1102K 166960K 247 0 exec 0 0K 1K 166960K 1512 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 12 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 225 142K 175K 166960K 50313 0 UVM aobj 78 8K 8K 166960K 89 0 pinsyscall 36 72K 102K 166960K 7119 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 330 0 NDP 15 0K 1K 166960K 256 0 temp 91 8652K 8908K 166960K 281843 0 kqueue 9 16K 28K 166960K 1052 0 SYN cache 2 0K 16K 166960K 4 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 120 810 0 808 8 6 2 3 0 8 1 rtentry 176 465 0 395 6 2 4 5 0 8 0 unpcb 144 4523 0 4513 25 21 4 6 0 8 3 syncache 336 36 0 36 15 14 1 1 0 8 1 tcpqe 32 17 0 17 7 7 0 1 0 8 0 tcpcb 736 1950 0 1938 40 33 7 8 0 8 5 arp 128 65 0 52 1 0 1 1 0 8 0 inpcb 328 6149 0 6135 55 48 7 10 0 8 5 nd6 144 56 0 47 1 0 1 1 0 8 0 pkpcb 40 65 0 65 8 7 1 1 0 8 1 kcovpl 48 23 0 15 1 0 1 1 0 8 0 mppekey 1024 2 0 2 2 1 1 1 0 8 1 ppxss 1192 231 0 230 5 4 1 1 0 8 0 pppxif 1504 32 0 32 10 9 1 1 0 8 1 pfstscr 40 6 0 6 3 3 0 1 0 8 0 pffrag 232 45 0 37 1 0 1 1 0 482 0 pffrnode 88 37 0 29 1 0 1 1 0 8 0 pffrent 40 85 0 77 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 33 0 33 1 1 0 1 0 8 0 pfanchor 1288 1 0 1 1 1 0 1 0 8 0 pfstitem 24 383 0 291 1 0 1 1 0 8 0 pfstkey 128 390 0 296 5 0 5 5 0 8 0 pfstate 384 384 0 294 13 1 12 13 0 8 0 pfrule 1344 39 0 34 2 1 1 2 0 8 0 rttmr 136 5 0 5 4 4 0 1 0 8 0 art_heap8 4096 7 0 1 7 0 7 7 0 8 1 art_heap4 256 1580 0 1265 37 16 21 31 0 8 0 art_table 40 1587 0 1266 5 0 5 5 0 8 0 art_node 32 455 0 400 2 0 2 2 0 8 0 sysvmsgpl 40 7 0 6 1 0 1 1 0 8 0 semupl 112 5 0 5 2 2 0 1 0 8 0 semapl 112 91 0 65 1 0 1 1 0 8 0 shmpl 112 86 0 11 3 0 3 3 0 8 0 dirhash 1024 79 0 62 3 0 3 3 0 8 0 dino2pl 256 12291 0 10754 97 0 97 97 0 8 0 ffsino 296 12291 0 10754 119 0 119 119 0 8 0 nchpl 144 19843 0 18112 65 0 65 65 0 8 0 rtmask 32 44 0 44 8 7 1 1 0 8 1 uvmvnodes 80 6107 0 0 125 0 125 125 0 8 0 vnodes 216 6107 0 0 340 0 340 340 0 8 0 namei 1024 73751 0 73750 4 3 1 2 0 8 0 percpumem 16 350 0 298 1 0 1 1 0 8 0 kstatmem 264 426 0 390 3 0 3 3 0 8 0 acpiwqpl 32 4 0 4 1 0 1 1 1 8 1 scsiplug 72 18 0 18 7 7 0 1 0 8 0 scxspl 216 112309 0 112307 14 13 1 8 1 8 0 plimitpl 152 1617 0 1600 1 0 1 1 0 8 0 sigapl 424 5845 0 5793 7 0 7 7 0 8 0 knotepl 120 1158 0 0 30 0 30 30 0 8 0 kqueuepl 224 2357 0 2349 23 15 8 9 0 8 7 pipepl 344 845 0 818 23 20 3 9 0 8 0 fdescpl 528 5800 0 5772 3 0 3 3 0 8 0 filepl 160 44502 0 44291 47 31 16 22 0 8 4 lockfpl 104 3112 0 3109 4 3 1 2 0 8 0 lockfspl 48 805 0 802 1 0 1 1 0 8 0 sessionpl 144 56 0 48 1 0 1 1 0 8 0 pgrppl 48 214 0 198 1 0 1 1 0 8 0 ucredpl 104 8503 0 8492 1 0 1 1 0 8 0 zombiepl 144 6738 0 6737 1 0 1 1 0 8 0 processpl 1232 5845 0 5793 5 0 5 5 0 8 0 procpl 664 14392 0 14332 13 6 7 7 0 8 1 sosppl 168 28 0 28 6 5 1 1 0 8 1 sockpl 752 11846 0 11820 86 76 10 22 0 8 6 mcl64k 65536 20 0 0 3 0 3 3 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 110 0 0 14 0 14 14 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 161 0 0 11 0 11 11 0 8 0 mtagpl 96 6 0 0 1 0 1 1 0 8 0 mbufpl 256 3044 0 0 191 0 191 191 0 8 0 bufpl 280 46765 0 40633 440 0 440 440 0 8 0 anonpl 32 20364 0 0 164 0 164 164 0 246 0 amapchunkpl 152 175669 0 174803 82 47 35 35 0 158 1 amappl16 200 19735 0 19385 137 108 29 49 0 8 0 amappl15 192 7 0 6 1 0 1 1 0 8 0 amappl14 184 182 0 173 1 0 1 1 0 8 0 amappl13 176 40 0 40 3 3 0 1 0 8 0 amappl12 168 6714 0 6685 3 1 2 2 0 8 0 amappl11 160 52 0 44 1 0 1 1 0 8 0 amappl10 152 10 0 9 2 1 1 1 0 8 0 amappl9 144 254 0 254 1 1 0 1 0 8 0 amappl8 136 58 0 55 1 0 1 1 0 8 0 amappl7 128 168 0 158 1 0 1 1 0 8 0 amappl6 120 353 0 348 1 0 1 1 0 8 0 amappl5 112 189 0 181 1 0 1 1 0 8 0 amappl4 104 421 0 401 1 0 1 1 0 8 0 amappl3 96 36971 0 36868 4 0 4 4 0 8 0 amappl2 88 1057 0 1007 2 0 2 2 0 8 0 amappl1 80 35865 0 35352 16 2 14 15 0 8 0 amappl 88 48349 0 48181 5 0 5 5 0 92 0 dma65536 65536 2 0 2 1 1 0 1 0 8 0 dma8192 8192 2 0 2 2 2 0 1 0 8 0 dma4096 4096 2 0 2 2 2 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 7 0 7 2 2 0 1 0 8 0 dma128 128 256 0 256 3 3 0 1 0 8 0 dma64 64 13 0 13 6 5 1 1 0 8 1 dma32 32 11 0 11 5 5 0 1 0 8 0 dma16 16 20 0 19 1 0 1 1 0 8 0 aobjpl 72 88 0 11 2 0 2 2 0 8 0 uaddrrnd 24 5800 0 5772 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 5800 0 5772 1 0 1 1 0 8 0 vmmpekpl 168 39920 0 39864 4 0 4 4 0 8 0 vmmpepl 168 367676 0 365640 149 43 106 117 0 357 4 vmsppl 488 5799 0 5772 5 1 4 5 0 8 0 rwobjpl 80 96908 0 89591 169 14 155 158 0 8 0 pdppl 4096 11607 0 11544 145 78 67 81 0 8 4 pvpl 32 28875 0 0 232 0 232 232 0 265 0 pmappl 256 5799 0 5772 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 582 0 152 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(ffffffff838eba00,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 mtx_enter(ffffffff838eb9f0) at mtx_enter+0x4a sys/kern/kern_lock.c:260 sleep_setup(ffff8000299fee58,220,ffffffff833f3098) at sleep_setup+0xc6 sys/kern/kern_synch.c:302 msleep_nsec(ffff8000299fee58,ffff8000299fedf8,220,ffffffff833f3098,ffffffffffffffff) at msleep_nsec+0x10b sys/kern/kern_synch.c:217 dt_ioctl_record_stop(ffff80000148c000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(11e5f,81,2000,ffff80003c4682c0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003c4682c0) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80002a377150) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800d2a6378,81,fffffd80097fb548,ffff80003c4682c0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806fbebb40,ffff80003c4682c0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806fbebb40,ffff80003c4682c0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806fbebb40,ffff80003c4682c0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806fbebb40,ffff80003c4682c0) at closef+0x192 sys/kern/kern_descrip.c:1264 syscall(ffff80002a3773b0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3773b0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x30fa2f349d0, count: -14 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff8000299fdff0) 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(ffff8000299fedf8) at mtx_enter+0xd2 sys/kern/kern_lock.c:264 clockintr_dispatch(ffff80002a260990) at clockintr_dispatch+0x3b1 sys/kern/kern_clockintr.c:215 lapic_clockintr(0,0) at lapic_clockintr+0x51 sys/arch/amd64/amd64/lapic.c:484 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffff8000299fdff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: -9