witness: lock order reversal: 1st 0xffff8000299eedf8 &cq->cq_mtx (&cq->cq_mtx) 2nd 0xffffffff839d9650 &sched_lock (&sched_lock) lock order [1] &cq->cq_mtx (&cq->cq_mtx) -> [2] &sched_lock (&sched_lock) #0 mtx_enter+0x47 sys/kern/kern_lock.c:238 #1 sleep_setup+0xc6 sys/kern/kern_synch.c:348 #2 msleep+0x114 sys/kern/kern_synch.c:245 #3 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:575 #4 dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #4 dtclose+0x105 sys/dev/dt/dt_dev.c:232 #5 spec_close+0x45f sys/kern/spec_vnops.c:-1 #6 VOP_CLOSE+0x133 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+0x126 sys/kern/kern_descrip.c:1265 #9 closef+0x192 sys/kern/kern_descrip.c:1249 #10 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #11 Xsyscall+0x128 lock order [2] &sched_lock (&sched_lock) -> [1] &cq->cq_mtx (&cq->cq_mtx) #0 mtx_enter+0x47 sys/kern/kern_lock.c:238 #1 clockintr_cancel+0x2f sys/kern/kern_clockintr.c:323 #2 mi_switch+0x165 x86_atomic_clearbits_u32 machine/atomic.h:-1 [inline] #2 mi_switch+0x165 sys/kern/sched_bsd.c:371 #3 sleep_finish+0x24f sys/kern/kern_synch.c:412 #4 sys_futex+0xa58 futex_wait sys/kern/sys_futex.c:304 [inline] #4 sys_futex+0xa58 sys/kern/sys_futex.c:152 #5 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #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(ffffffff839d9650,9,0) at witness_checkorder+0x10fb sys/kern/subr_witness.c:-1 mtx_enter(ffffffff839d9640) at mtx_enter+0x47 sys/kern/kern_lock.c:238 sleep_setup(ffff8000299eee48,220,ffffffff833a273d) at sleep_setup+0xc6 sys/kern/kern_synch.c:348 msleep(ffff8000299eee48,ffff8000299eede8,220,ffffffff833a273d,0) at msleep+0x114 sys/kern/kern_synch.c:245 dt_ioctl_record_stop(ffff800001484000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:575 dtclose(21e5f,81,2000,ffff8000ffff02b8) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff8000ffff02b8) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff800034ff44a0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805e4c3380,81,fffffd807f7d3478,ffff8000ffff02b8) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806733e768,ffff8000ffff02b8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806733e768,ffff8000ffff02b8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806733e768,ffff8000ffff02b8) at fdrop+0x126 sys/kern/kern_descrip.c:1265 closef(fffffd806733e768,ffff8000ffff02b8) at closef+0x192 sys/kern/kern_descrip.c:1249 syscall(ffff800034ff4700) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800034ff4700) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x29524a51460, count: -14 ddb{0}> show registers rdi 0 rsi 0x80000 acpi_pdirpa+0x6be71 rbp 0xffff800034ff41b0 rbx 0xfffffd80046f1330 rdx 0xffff80000146d040 rcx 0xffff8000ffff02b8 rax 0x7ffff acpi_pdirpa+0x6be70 r8 0xffff800034ff4090 r9 0x8080808080808080 r10 0x58ed36f80970c681 r11 0xa15774c0109841ae r12 0 r13 0xfffffd8003f44300 r14 0x3 r15 0xffffffff rip 0xffffffff8143c6c5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800034ff41a0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=213496 pid=14696 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=86, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000343ea2c0,0xffff80002a2bb740 process=0xffff80003c4d0998 user=0xffff800034fef000, vmspace=0xfffffd806be91018 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 85767 468328 57331 0 2 0x1 syz-executor 85767 553 57331 0 3 0x4000080 fsleep syz-executor 94350 427741 60777 0 2 0x1 syz-executor 94350 4502 60777 0 3 0x4000080 fsleep syz-executor 94350 306293 60777 0 3 0x4000080 fsleep syz-executor 94350 108035 60777 0 3 0x4000080 fsleep syz-executor 47408 20864 21181 0 2 0 syz-executor 47408 482117 21181 0 3 0x4000080 fsleep syz-executor 50892 35956 96835 0 2 0x1 syz-executor 50892 391834 96835 0 3 0x4000080 fsleep syz-executor 50892 518919 96835 0 3 0x4000080 fsleep syz-executor 50892 491658 96835 0 3 0x4000080 fsleep syz-executor 14696 309911 11892 0 2 0 syz-executor 14696 445310 11892 0 3 0x4000080 dtread syz-executor *14696 213496 11892 0 7 0x4000000 syz-executor 14696 434514 11892 0 3 0x4000080 fsleep syz-executor 29565 156204 0 0 3 0x14280 nfsidl nfsio 42178 174739 0 0 3 0x14280 nfsidl nfsio 90873 111159 0 0 3 0x14280 nfsidl nfsio 4568 505821 0 0 3 0x14280 nfsidl nfsio 85584 443304 0 0 3 0x14280 nfsidl nfsio 78874 253452 0 0 3 0x14280 nfsidl nfsio 12129 325281 0 0 3 0x14280 nfsidl nfsio 51575 410050 0 0 3 0x14280 nfsidl nfsio 53388 77003 0 0 3 0x14280 nfsidl nfsio 11670 135359 0 0 3 0x14280 nfsidl nfsio 70967 117714 0 0 3 0x14280 nfsidl nfsio 75685 515305 0 0 3 0x14280 nfsidl nfsio 75627 294596 0 0 3 0x14280 nfsidl nfsio 45689 173590 0 0 3 0x14280 nfsidl nfsio 90058 257927 0 0 3 0x14280 nfsidl nfsio 53118 486796 0 0 3 0x14280 nfsidl nfsio 23205 351055 0 0 3 0x14280 nfsidl nfsio 67118 241868 0 0 3 0x14280 nfsidl nfsio 77152 347173 0 0 3 0x14280 nfsidl nfsio 41135 210503 0 0 3 0x14280 nfsidl nfsio 89933 289531 0 0 3 0x14200 bored sosplice 21181 386262 46460 0 3 0x82 nanoslp syz-executor 96835 290440 46460 0 3 0x82 nanoslp syz-executor 11892 502427 46460 0 3 0x82 nanoslp syz-executor 60777 25015 46460 0 3 0x82 nanoslp syz-executor 49464 463805 46460 0 2 0x3 syz-executor 9750 3187 46460 0 3 0x2 biowait syz-executor 57331 419721 46460 0 3 0x82 nanoslp syz-executor 7839 50004 46460 0 3 0x82 wait syz-executor 46460 288219 94366 0 3 0x82 kqread syz-executor 94366 268575 97876 0 3 0x10008a sigsusp ksh 97876 239371 82513 0 3 0x98 kqread sshd-session 82513 400096 40685 0 3 0x92 kqread sshd-session 59407 263564 1 0 3 0x100083 ttyin getty 40685 10442 1 0 3 0x88 kqread sshd 31892 182675 14590 74 3 0x1100092 bpf pflogd 14590 156094 1 0 3 0x80 sbwait pflogd 87556 466420 20272 73 3 0x1100090 kqread syslogd 20272 469369 1 0 3 0x100082 sbwait syslogd 48209 245084 1 0 3 0x100080 kqread resolvd 75990 35236 47625 77 3 0x100092 kqread dhcpleased 50582 47929 47625 77 3 0x100092 kqread dhcpleased 47625 50178 1 0 3 0x80 kqread dhcpleased 32368 221796 0 0 3 0x14200 bored smr 353 456405 0 0 2 0x14200 zerothread 98127 404662 0 0 3 0x14200 aiodoned aiodoned 51439 262135 0 0 3 0x14200 syncer update 54695 64858 0 0 3 0x14200 cleaner cleaner 12727 202251 0 0 3 0x14200 reaper reaper 57494 71944 0 0 3 0x14200 pgdaemon pagedaemon 99846 170624 0 0 3 0x14200 bored viomb 69115 439875 0 0 3 0x40014200 acpi0 acpi0 69389 337583 0 0 7 0x40014200 idle1 36271 75097 0 0 3 0x14200 bored softnet3 93193 226524 0 0 3 0x14200 bored softnet2 23481 150618 0 0 3 0x14200 bored softnet1 64114 190410 0 0 3 0x14200 bored softnet0 63915 25271 0 0 3 0x14200 bored systqmp 64537 318056 0 0 3 0x14200 bored systq 4372 110845 0 0 3 0x14200 tmoslp softclockmp 19218 215433 0 0 3 0x40014200 tmoslp softclock 84603 3177 0 0 3 0x40014200 idle0 1 266301 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 (0xffff8000299eedf8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x178 sys/kern/kern_lock.c:-1 #2 mtx_enter+0xb5 sys/kern/kern_lock.c:239 #3 clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 #4 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:575 #5 dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #5 dtclose+0x105 sys/dev/dt/dt_dev.c:232 #6 spec_close+0x45f sys/kern/spec_vnops.c:-1 #7 VOP_CLOSE+0x133 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+0x126 sys/kern/kern_descrip.c:1265 #10 closef+0x192 sys/kern/kern_descrip.c:1249 #11 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #12 Xsyscall+0x128 Process 14696 (syz-executor) thread 0xffff8000ffff02b8 (213496) exclusive rwlock dtlk r = 0 (0xffffffff838adf08) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 dt_ioctl_record_stop+0x68 sys/dev/dt/dt_dev.c:-1 #3 dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #3 dtclose+0x105 sys/dev/dt/dt_dev.c:232 #4 spec_close+0x45f sys/kern/spec_vnops.c:-1 #5 VOP_CLOSE+0x133 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+0x126 sys/kern/kern_descrip.c:1265 #8 closef+0x192 sys/kern/kern_descrip.c:1249 #9 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #10 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a15c38) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 vn_closefile+0x41 sys/kern/vfs_vnops.c:608 #2 fdrop+0x126 sys/kern/kern_descrip.c:1265 #3 closef+0x192 sys/kern/kern_descrip.c:1249 #4 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #5 Xsyscall+0x128 exclusive mutex &cq->cq_mtx r = 0 (0xffff8000299eedf8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x178 sys/kern/kern_lock.c:-1 #2 mtx_enter+0xb5 sys/kern/kern_lock.c:239 #3 clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 #4 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:575 #5 dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #5 dtclose+0x105 sys/dev/dt/dt_dev.c:232 #6 spec_close+0x45f sys/kern/spec_vnops.c:-1 #7 VOP_CLOSE+0x133 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+0x126 sys/kern/kern_descrip.c:1265 #10 closef+0x192 sys/kern/kern_descrip.c:1249 #11 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #12 Xsyscall+0x128 Process 9750 (syz-executor) thread 0xffff80002a2bbc50 (3187) exclusive rrwlock inode r = 0 (0xfffffd806d6f28a8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 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:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3109 #10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c358f78) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3094 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10205 11079K 11475K 166960K 13051 0 pcb 17 15K 17K 166960K 238 0 rtable 227 10K 11K 166960K 458 0 pf 38 18K 82K 166960K 134 0 ifaddr 40 7K 8K 166960K 79 0 ifgroup 51 2K 2K 166960K 125 0 sysctl 4 1K 1K 166960K 6 0 counters 62 36K 37K 166960K 144 0 ioctlops 0 0K 4K 166960K 1600 0 iov 0 0K 24K 166960K 117 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1527 96K 96K 166960K 2466 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 18 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 32 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 93K 166960K 856 0 sigio 0 0K 0K 166960K 15 0 proc 72 91K 128K 166960K 591 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 130 0 in_multi 88 6K 7K 166960K 128 0 ether_multi 1 0K 0K 166960K 5 0 mrt 1 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 541 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 240 160K 181K 166960K 9657 0 UVM aobj 29 2K 2K 166960K 33 0 pinsyscall 41 82K 104K 166960K 1969 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 50 0 NDP 11 0K 2K 166960K 51 0 temp 77 8664K 8741K 166960K 30808 0 kqueue 14 22K 29K 166960K 165 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 120 124 0 119 2 1 1 2 0 8 0 rtentry 176 129 0 32 6 0 6 6 0 8 0 unpcb 144 611 0 592 7 3 4 4 0 8 3 syncache 336 5 0 5 1 1 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 808 298 0 293 11 9 2 8 0 8 1 arp 128 20 0 4 1 0 1 1 0 8 0 inpcb 384 993 0 985 15 10 5 9 0 8 3 nd6 144 28 0 3 1 0 1 1 0 8 0 pkpcb 40 4 0 4 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 32 0 32 2 1 1 1 0 8 1 pppxif 1504 5 0 5 1 1 0 1 0 8 0 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 3 0 2 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 4 0 2 2 1 1 1 0 8 0 pfanchor 1288 2 0 0 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 60 0 12 1 0 1 1 0 8 0 pfstkey 128 61 0 14 2 0 2 2 0 8 0 pfstate 384 61 0 13 6 0 6 6 0 8 0 pfrule 1344 29 0 22 2 1 1 2 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 527 0 113 30 2 28 30 0 8 1 art_table 32 530 0 113 4 0 4 4 0 8 0 art_node 16 127 0 42 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 4 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 27 0 17 1 0 1 1 0 8 0 shmpl 112 30 0 4 1 0 1 1 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 2934 0 1434 95 0 95 95 0 8 0 ffsino 288 2934 0 1434 109 0 109 109 0 8 0 nchpl 144 4164 0 2476 64 0 64 64 0 8 0 rtmask 32 6 0 6 2 1 1 1 0 8 1 uvmvnodes 80 3852 0 0 79 0 79 79 0 8 0 vnodes 216 3852 0 0 214 0 214 214 0 8 0 namei 1024 14489 0 14488 3 2 1 1 0 8 0 percpumem 16 87 0 41 1 0 1 1 0 8 0 pfiaddrpl 120 2 0 1 1 0 1 1 0 8 0 kstatmem 264 70 0 48 2 0 2 2 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 4 0 4 2 1 1 1 0 8 1 scxspl 216 15055 0 15054 11 10 1 8 1 8 0 plimitpl 152 137 0 119 1 0 1 1 0 8 0 sigapl 424 1187 0 1118 10 1 9 9 0 8 0 knotepl 120 561 0 0 17 0 17 17 0 8 0 kqueuepl 224 359 0 349 7 2 5 5 0 8 4 pipepl 336 196 0 169 4 1 3 3 0 8 0 fdescpl 520 1146 0 1116 3 0 3 3 0 8 0 filepl 160 7251 0 7025 20 6 14 17 0 8 4 lockfpl 104 512 0 510 3 1 2 2 0 8 1 lockfspl 48 231 0 229 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 48 0 31 1 0 1 1 0 8 0 ucredpl 104 804 0 790 1 0 1 1 0 8 0 zombiepl 144 1239 0 1238 2 1 1 1 0 8 0 processpl 1208 1187 0 1118 6 0 6 6 0 8 0 procpl 656 2498 0 2418 9 1 8 8 0 8 0 srpgc 96 2 0 2 1 1 0 1 0 8 0 sosppl 168 8 0 8 3 2 1 1 0 8 1 sockpl 728 1742 0 1710 20 10 10 13 0 8 6 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 108 0 0 14 0 14 14 0 8 0 mcl2k 2048 21 0 0 3 0 3 3 0 8 0 mtagpl 96 30 0 0 1 0 1 1 0 8 0 mbufpl 256 4397 0 0 275 0 275 275 0 8 0 bufpl 280 4952 0 128 345 0 345 345 0 8 0 anonpl 32 8414 0 0 68 0 68 68 0 246 0 amapchunkpl 152 31584 0 31051 36 7 29 29 0 158 5 amappl16 200 3217 0 3178 20 16 4 15 0 8 0 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 112 0 100 1 0 1 1 0 8 0 amappl13 176 6 0 6 1 1 0 1 0 8 0 amappl12 168 1799 0 1769 3 1 2 2 0 8 0 amappl11 160 51 0 37 1 0 1 1 0 8 0 amappl10 152 4 0 4 1 1 0 1 0 8 0 amappl9 144 250 0 250 2 2 0 1 0 8 0 amappl8 136 45 0 42 1 0 1 1 0 8 0 amappl7 128 108 0 96 1 0 1 1 0 8 0 amappl6 120 176 0 172 2 1 1 1 0 8 0 amappl5 112 124 0 114 1 0 1 1 0 8 0 amappl4 104 327 0 308 1 0 1 1 0 8 0 amappl3 96 6205 0 6096 5 1 4 4 0 8 0 amappl2 88 661 0 597 2 0 2 2 0 8 0 amappl1 80 11602 0 11001 16 2 14 15 0 8 0 amappl 88 8805 0 8639 5 0 5 5 0 92 0 dma65536 65536 1 0 1 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 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 255 0 255 2 2 0 1 0 8 0 dma64 64 8 0 8 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 32 0 4 1 0 1 1 0 8 0 uaddrrnd 24 1146 0 1116 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1146 0 1116 1 0 1 1 0 8 0 vmmpekpl 168 10972 0 10930 2 0 2 2 0 8 0 vmmpepl 168 76825 0 74868 104 11 93 101 0 357 1 vmsppl 480 1145 0 1116 5 1 4 5 0 8 0 rwobjpl 72 25513 0 20688 90 1 89 89 0 8 0 pdppl 4096 2299 0 2232 113 42 71 85 0 8 4 pvpl 32 15161 0 0 123 1 122 122 0 265 0 pmappl 256 1145 0 1116 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 675 0 61 18 0 18 18 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(ffffffff839d9650,9,0) at witness_checkorder+0x10fb sys/kern/subr_witness.c:-1 mtx_enter(ffffffff839d9640) at mtx_enter+0x47 sys/kern/kern_lock.c:238 sleep_setup(ffff8000299eee48,220,ffffffff833a273d) at sleep_setup+0xc6 sys/kern/kern_synch.c:348 msleep(ffff8000299eee48,ffff8000299eede8,220,ffffffff833a273d,0) at msleep+0x114 sys/kern/kern_synch.c:245 dt_ioctl_record_stop(ffff800001484000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:575 dtclose(21e5f,81,2000,ffff8000ffff02b8) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff8000ffff02b8) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff800034ff44a0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805e4c3380,81,fffffd807f7d3478,ffff8000ffff02b8) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806733e768,ffff8000ffff02b8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806733e768,ffff8000ffff02b8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806733e768,ffff8000ffff02b8) at fdrop+0x126 sys/kern/kern_descrip.c:1265 closef(fffffd806733e768,ffff8000ffff02b8) at closef+0x192 sys/kern/kern_descrip.c:1249 syscall(ffff800034ff4700) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800034ff4700) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x29524a51460, count: -14 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff8000299edff0) 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(ffff8000299eede8) at mtx_enter+0xa7 sys/kern/kern_lock.c:250 clockintr_dispatch(ffff80002a238690) at clockintr_dispatch+0x3b4 sys/kern/kern_clockintr.c:215 lapic_clockintr(0,0) at lapic_clockintr+0x51 sys/arch/amd64/amd64/lapic.c:489 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu.c:1218 sched_idle(ffff8000299edff0) at sched_idle+0x538 sys/kern/kern_sched.c:182 end trace frame: 0x0, count: -9