witness: lock order reversal: 1st 0xffff8000299dee30 &cq->cq_mtx (&cq->cq_mtx) 2nd 0xffffffff8393b790 &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:1280 #9 closef+0x192 sys/kern/kern_descrip.c:1264 #10 fdfree+0x116 sys/kern/kern_descrip.c:1195 #11 exit1+0x576 sys/kern/kern_exit.c:215 #12 sys_exit+0x1a sys/kern/kern_exit.c:-1 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #14 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:775 #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(ffffffff8393b790,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1 mtx_enter(ffffffff8393b780) at mtx_enter+0x95 sys/kern/kern_lock.c:406 sleep_setup(ffff8000299dee80,220,ffffffff83434488) at sleep_setup+0xed sys/kern/kern_synch.c:304 msleep_nsec(ffff8000299dee80,ffff8000299dee20,220,ffffffff83434488,ffffffffffffffff) at msleep_nsec+0x10b sys/kern/kern_synch.c:217 dt_ioctl_record_stop(ffff800001821000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(21e5f,81,2000,ffff80003c3f9a10) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff80003c3f9a10) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80002a2d49b0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805d846528,81,fffffd80097fd6e8,ffff80003c3f9a10) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806285db00,ffff80003c3f9a10) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806285db00,ffff80003c3f9a10) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806285db00,ffff80003c3f9a10) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806285db00,ffff80003c3f9a10) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c3f9a10) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c3f9a10,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c3f9a10,ffff80002a2d4d20,ffff80002a2d4c70) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a2d4d20) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2d4d20) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x78d543d343f0, count: -17 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002a2d4680 rbx 0 rdx 0 rcx 0xffff80003c3f9a10 rax 0xffffffff838b3ff0 cpu_info_full_primary+0x1ff0 r8 0xffff80002a2d4560 r9 0x8080808080808080 r10 0xe01ed678c684ef95 r11 0x62cafa07812abd4c r12 0xfffffd8003f48e40 r13 0xfffffd80046f3330 r14 0x3 r15 0xffffffff834211d9 substchar+0x777e rip 0xffffffff82ab12c5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a2d4670 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=404772 pid=21681 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=83, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003c3f9a10 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80003c47fcc0,0xffff80003c47e048 process=0xffff80002a3bc9b8 user=0xffff80002a2cf000, vmspace=0xfffffd800f7dd020 estcpu=33, cpticks=4, pctcpu=0.4, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 42584 512888 31739 0 2 0 syz-executor 42584 289783 31739 0 3 0x4000080 fsleep syz-executor 96577 265148 3161 0 2 0 syz-executor 96577 104413 3161 0 3 0x4000080 fsleep syz-executor 86619 76316 57581 0 2 0 syz-executor 86619 501001 57581 0 3 0x4000080 fsleep syz-executor 86619 316534 57581 0 2 0x4000000 syz-executor 43425 75487 24213 0 2 0 syz-executor 43425 458671 24213 0 3 0x4000080 fsleep syz-executor 43425 418657 24213 0 3 0x4000080 fsleep syz-executor 92502 276623 37119 0 2 0 syz-executor 92502 238209 37119 0 3 0x4000080 fsleep syz-executor 47721 19784 49452 0 2 0 syz-executor 47721 95234 49452 0 3 0x4000080 fsleep syz-executor 47721 393257 49452 0 2 0x4000000 syz-executor 47721 244525 49452 0 2 0x4000000 syz-executor 20642 178485 0 0 3 0x14200 acct acct 47802 384637 1 0 3 0x100083 ttyopn getty 57581 314965 56872 0 3 0x82 nanoslp syz-executor 24213 392084 56872 0 3 0x82 nanoslp syz-executor 27476 57347 56872 0 3 0x2 biowait syz-executor 31739 15739 56872 0 3 0x82 nanoslp syz-executor 37119 135765 56872 0 3 0x82 nanoslp syz-executor 3161 423892 56872 0 3 0x82 nanoslp syz-executor 37202 64933 56872 0 3 0x82 nanoslp syz-executor 49452 233296 56872 0 3 0x82 nanoslp syz-executor 56872 271333 93184 0 3 0x82 kqread syz-executor 93184 241062 29140 0 3 0x10008a sigsusp ksh 29140 58926 82903 0 3 0x98 kqread sshd-session 82903 121034 88755 0 3 0x92 kqread sshd-session 88755 481258 1 0 3 0x88 kqread sshd 88455 394134 1695 74 3 0x1100092 bpf pflogd 1695 168471 1 0 3 0x80 sbwait pflogd 40838 293019 45843 73 3 0x1100090 kqread syslogd 45843 99223 1 0 3 0x100082 sbwait syslogd 58390 268922 1 0 3 0x100080 kqread resolvd 23281 520956 65830 77 3 0x100092 kqread dhcpleased 44308 70195 65830 77 3 0x100092 kqread dhcpleased 65830 216697 1 0 3 0x80 kqread dhcpleased 14441 45127 0 0 3 0x14200 bored smr 49267 8332 0 0 2 0x14200 zerothread 58088 524105 0 0 3 0x14200 aiodoned aiodoned 59364 515770 0 0 3 0x14200 syncer update 82978 499834 0 0 3 0x14200 cleaner cleaner 56527 302995 0 0 2 0x14200 reaper 34381 422310 0 0 3 0x14200 pgdaemon pagedaemon 84628 300206 0 0 3 0x14200 bored viomb 72514 95828 0 0 3 0x40014200 acpi0 acpi0 34052 83239 0 0 7 0x40014200 idle1 48553 217141 0 0 3 0x14200 bored softnet1 43751 487064 0 0 3 0x14200 bored softnet0 74394 198759 0 0 3 0x14200 bored systqmp 64593 308494 0 0 3 0x14200 bored systq 8279 450251 0 0 3 0x14200 tmoslp softclockmp 7845 15021 0 0 3 0x40014200 tmoslp softclock 88740 499286 0 0 3 0x40014200 idle0 1 469164 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &cq->cq_mtx r = 0 (0xffff8000299dee30) #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:1280 #9 closef+0x192 sys/kern/kern_descrip.c:1264 #10 fdfree+0x116 sys/kern/kern_descrip.c:1195 #11 exit1+0x576 sys/kern/kern_exit.c:215 #12 sys_exit+0x1a sys/kern/kern_exit.c:-1 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #14 Xsyscall+0x128 Process 86619 (syz-executor) thread 0xffff80003c3f82b8 (316534) exclusive rwlock vmmaplk r = 0 (0xfffffd800f7dde78) #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+0x42f sys/arch/amd64/amd64/trap.c:632 #7 recall_trap+0x8 Process 47721 (syz-executor) thread 0xffff80003c47efc8 (393257) exclusive rwlock vmmaplk r = 0 (0xfffffd800f7dd8c0) #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+0x42f sys/arch/amd64/amd64/trap.c:632 #7 recall_trap+0x8 Process 27476 (syz-executor) thread 0xffff8000fffeefa8 (57347) exclusive rrwlock inode r = 0 (0xfffffd806c61d8f8) #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:3113 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d7a5200) #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:3098 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 56527 (reaper) thread 0xffff8000ffffd9f8 (302995) exclusive rwlock kmmaplk r = 0 (0xffffffff8392b770) #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:5165 #3 uvm_unmap+0x7d sys/uvm/uvm_map.c:1792 #4 km_free+0x87 sys/uvm/uvm_km.c:714 #5 uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:304 #6 reaper+0x1ca sys/kern/kern_exit.c:493 #7 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11106 12144K 13815K 166960K 17282 0 pcb 17 16K 18K 166960K 573 0 rtable 169 16K 17K 166960K 663 0 pf 36 17K 18K 166960K 191 0 ifaddr 32 5K 8K 166960K 143 0 ifgroup 59 2K 2K 166960K 239 0 sysctl 4 1K 9K 166960K 20 0 counters 72 37K 38K 166960K 258 0 ioctlops 0 0K 8K 166960K 2115 0 iov 0 0K 16K 166960K 106 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1448 91K 91K 166960K 3418 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 23 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 148 0 dirhash 12 2K 2K 166960K 42 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 240K 166960K 2363 0 sigio 0 0K 0K 166960K 72 0 proc 73 115K 164K 166960K 820 0 subproc 72 4K 4K 166960K 91 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 327 0 in_multi 57 4K 7K 166960K 213 0 ether_multi 1 0K 0K 166960K 16 0 mrt 2 0K 0K 166960K 24 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 235 1049K 1049K 166960K 235 0 exec 0 0K 1K 166960K 797 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 250 153K 180K 166960K 23063 0 UVM aobj 52 13K 13K 166960K 56 0 pinsyscall 42 84K 106K 166960K 3510 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 154 0 NDP 13 0K 1K 166960K 99 0 temp 81 8680K 8752K 166960K 90876 0 kqueue 14 22K 30K 166960K 387 0 SYN cache 2 8K 16K 166960K 3 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 120 175 0 171 1 0 1 1 0 8 0 rtentry 176 200 0 139 5 0 5 5 0 8 0 unpcb 144 1753 0 1735 16 15 1 6 0 8 0 syncache 336 9 0 9 4 3 1 1 0 8 1 tcpqe 32 3 0 3 2 1 1 1 0 8 1 tcpcb 736 632 0 625 13 6 7 7 0 8 6 arp 136 33 0 23 1 0 1 1 0 8 0 inpcb 328 2573 0 2563 29 22 7 7 0 8 5 nd6 152 37 0 24 2 0 2 2 0 8 0 pkpcb 40 12 0 12 7 6 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1192 76 0 76 3 2 1 1 0 8 1 pppxif 1504 8 0 8 5 5 0 1 0 8 0 pffrag 232 19 0 9 1 0 1 1 0 482 0 pffrnode 88 14 0 6 1 0 1 1 0 8 0 pffrent 40 36 0 25 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 pfstitem 24 47 0 42 1 0 1 1 0 8 0 pfstkey 128 47 0 42 2 0 2 2 0 8 0 pfstate 448 47 0 42 4 1 3 4 0 8 0 pfrule 1344 23 0 17 2 1 1 2 0 8 0 rttmr 136 5 0 5 4 3 1 1 0 8 1 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 980 0 723 34 5 29 31 0 8 5 art_table 40 983 0 723 6 1 5 6 0 8 0 art_node 32 198 0 146 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 6 2 1 1 1 0 8 0 semapl 112 144 0 134 1 0 1 1 0 8 0 shmpl 112 48 0 4 2 0 2 2 0 8 0 dirhash 1024 38 0 21 3 0 3 3 0 8 0 dino2pl 256 5649 0 4143 96 0 96 96 0 8 0 ffsino 296 5649 0 4143 117 0 117 117 0 8 0 nchpl 144 8875 0 7170 64 0 64 64 0 8 0 rtmask 32 11 0 11 7 6 1 1 0 8 1 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 30717 0 30716 3 2 1 2 0 8 0 percpumem 16 144 0 93 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 264 158 0 128 7 4 3 3 0 8 1 scsiplug 72 10 0 10 8 7 1 1 0 8 1 scxspl 216 72745 0 72744 17 16 1 8 1 8 0 plimitpl 152 504 0 487 1 0 1 1 0 8 0 sigapl 424 2637 0 2589 8 1 7 8 0 8 0 knotepl 120 572 0 0 17 0 17 17 0 8 0 kqueuepl 224 849 0 838 13 12 1 5 0 8 0 pipepl 344 424 0 397 9 6 3 9 0 8 0 fdescpl 528 2594 0 2563 3 0 3 3 0 8 0 filepl 160 17186 0 16970 38 22 16 18 0 8 4 lockfpl 104 679 0 677 1 0 1 1 0 8 0 lockfspl 48 297 0 295 1 0 1 1 0 8 0 sessionpl 144 32 0 23 1 0 1 1 0 8 0 pgrppl 48 64 0 47 1 0 1 1 0 8 0 ucredpl 104 2397 0 2384 1 0 1 1 0 8 0 zombiepl 144 2926 0 2925 1 0 1 1 0 8 0 processpl 1232 2637 0 2589 6 0 6 6 0 8 0 procpl 664 6188 0 6129 8 2 6 8 0 8 0 sosppl 176 13 0 13 6 5 1 1 0 8 1 sockpl 752 4579 0 4547 64 53 11 23 0 8 7 mcl64k 65536 22 0 0 3 0 3 3 0 8 0 mcl16k 16384 7 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 135 0 0 17 1 16 17 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 60 0 0 5 0 5 5 0 8 0 mtagpl 96 276 0 0 6 0 6 6 0 8 0 mbufpl 256 1306 0 0 78 0 78 78 0 8 0 bufpl 280 30764 0 24628 439 0 439 439 0 8 0 anonpl 32 13804 0 0 112 1 111 111 0 246 0 amapchunkpl 152 77900 0 77403 56 32 24 36 0 158 2 amappl16 200 9659 0 9617 68 57 11 28 0 8 0 amappl15 192 7 0 7 2 2 0 1 0 8 0 amappl14 184 6 0 5 1 0 1 1 0 8 0 amappl13 176 450 0 449 1 0 1 1 0 8 0 amappl12 168 2986 0 2944 3 0 3 3 0 8 0 amappl11 160 4 0 4 2 2 0 1 0 8 0 amappl10 152 49 0 35 1 0 1 1 0 8 0 amappl9 144 333 0 333 1 1 0 1 0 8 0 amappl8 136 23 0 20 1 0 1 1 0 8 0 amappl7 128 86 0 85 1 0 1 1 0 8 0 amappl6 120 306 0 292 1 0 1 1 0 8 0 amappl5 112 73 0 62 1 0 1 1 0 8 0 amappl4 104 460 0 428 1 0 1 1 0 8 0 amappl3 96 13895 0 13801 4 1 3 3 0 8 0 amappl2 88 2736 0 2659 2 0 2 2 0 8 0 amappl1 80 19281 0 18673 16 1 15 15 0 8 0 amappl 88 21937 0 21767 5 0 5 5 0 92 0 uvmvnodes 80 168 0 0 4 0 4 4 0 8 0 dma32768 32768 2 0 2 2 2 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 9 0 9 4 4 0 1 0 8 0 dma128 128 256 0 256 3 3 0 1 0 8 0 dma64 64 8 0 8 3 3 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 55 0 4 1 0 1 1 0 8 0 uaddrrnd 24 2594 0 2563 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2594 0 2563 1 0 1 1 0 8 0 vmmpekpl 168 22213 0 22166 3 0 3 3 0 8 0 vmmpepl 168 168174 0 166208 130 36 94 108 0 357 0 vmsppl 488 2593 0 2563 5 0 5 5 0 8 0 rwobjpl 80 44892 0 43717 39 6 33 34 0 8 0 pdppl 4096 5205 0 5131 110 34 76 83 0 8 2 pvpl 32 23344 0 0 190 2 188 188 0 265 0 pmappl 256 2598 0 2563 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 386 0 59 10 0 10 10 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(ffffffff8393b790,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1 mtx_enter(ffffffff8393b780) at mtx_enter+0x95 sys/kern/kern_lock.c:406 sleep_setup(ffff8000299dee80,220,ffffffff83434488) at sleep_setup+0xed sys/kern/kern_synch.c:304 msleep_nsec(ffff8000299dee80,ffff8000299dee20,220,ffffffff83434488,ffffffffffffffff) at msleep_nsec+0x10b sys/kern/kern_synch.c:217 dt_ioctl_record_stop(ffff800001821000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(21e5f,81,2000,ffff80003c3f9a10) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff80003c3f9a10) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80002a2d49b0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805d846528,81,fffffd80097fd6e8,ffff80003c3f9a10) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806285db00,ffff80003c3f9a10) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806285db00,ffff80003c3f9a10) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806285db00,ffff80003c3f9a10) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806285db00,ffff80003c3f9a10) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c3f9a10) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c3f9a10,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c3f9a10,ffff80002a2d4d20,ffff80002a2d4c70) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a2d4d20) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2d4d20) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x78d543d343f0, count: -17 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff8000299ddff0) 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(ffff8000299dee20) at mtx_enter+0x377 sys/kern/kern_lock.c:454 clockintr_dispatch(ffff80002a21c280) 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 acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffff8000299ddff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: -9