uvm_fault(0xfffffd80622b39a8, 0x48, 0, 1) -> e kernel: page fault trap, code=0 Stopped at witness_checkorder+0xb5: movl 0x20(%r14),%r15d TID PID UID PRFLAGS PFLAGS CPU COMMAND witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779 mtx_enter(18) at mtx_enter+0x4a sys/kern/kern_lock.c:260 clockintr_unbind(ffff800001533430,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff800001573000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(11e5f,1,2000,ffff80003c458558) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80003c458558) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003a41cd30) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800d7fe008,1,fffffd80097fb410,ffff80003c458558) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd800ec551e8,ffff80003c458558) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd800ec551e8,ffff80003c458558) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd800ec551e8,ffff80003c458558) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd800ec551e8,ffff80003c458558) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c458558) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c458558,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c458558,ffff80003a41d0a0,ffff80003a41cff0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003a41d0a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a41d0a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 end trace frame: 0xffff80003a41d120, count: 0 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault(0xfffffd80622b39a8, 0x48, 0, 1) -> e ddb{0}> trace witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779 mtx_enter(18) at mtx_enter+0x4a sys/kern/kern_lock.c:260 clockintr_unbind(ffff800001533430,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff800001573000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(11e5f,1,2000,ffff80003c458558) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80003c458558) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003a41cd30) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800d7fe008,1,fffffd80097fb410,ffff80003c458558) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd800ec551e8,ffff80003c458558) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd800ec551e8,ffff80003c458558) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd800ec551e8,ffff80003c458558) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd800ec551e8,ffff80003c458558) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c458558) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c458558,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c458558,ffff80003a41d0a0,ffff80003a41cff0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003a41d0a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a41d0a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ea2513d5600, count: -15 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80003a41cb90 rbx 0 rdx 0 rcx 0xffff80003c458558 rax 0xffffffff8381affe cpu_info_full_primary+0x1ffe r8 0 r9 0 r10 0x8c4f020dab0bbfc2 r11 0xca5975b801c9e95e r12 0xfe r13 0x9 r14 0x28 r15 0 rip 0xffffffff8131cb65 witness_checkorder+0xb5 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003a41caf0 ss 0 witness_checkorder+0xb5: movl 0x20(%r14),%r15d ddb{0}> show proc PROC (syz-executor) tid=492829 pid=98690 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003c458558 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002a2c2fb0,0xffff80003c458fc8 process=0xffff80003a425880 user=0xffff80003a418000, vmspace=0xfffffd80622b39a8 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 69679 36837 94808 0 2 0 syz-executor 23664 388006 12238 60929 2 0x10 syz-executor 23664 141391 12238 60929 3 0x4000090 fsleep syz-executor 24561 278722 87126 0 2 0 syz-executor 24561 101650 87126 0 3 0x4000080 kqsel syz-executor 61435 88222 87848 0 2 0 syz-executor 61435 207059 87848 0 3 0x4000080 rest syz-executor 61435 166885 87848 0 2 0x4000000 syz-executor 60631 237629 78032 0 4 0x82004 syz-executor 60631 502996 78032 0 4 0x4082004 syz-executor 60631 60821 78032 0 2 0x4002004 syz-executor 60631 449884 78032 0 4 0x4082004 syz-executor 48924 21555 48940 0 3 0x80 nanoslp syz-executor 48924 47446 48940 0 3 0x4000080 dtread syz-executor 48940 480070 62204 0 3 0x82 nanoslp syz-executor 71000 483806 31259 0 3 0x82 sbwait sshd-session 78032 346470 62204 0 3 0x82 nanoslp syz-executor 9844 268919 1 0 3 0x100083 ttyopn getty 4238 71516 0 0 3 0x14280 nfsidl nfsio 32676 407826 0 0 3 0x14280 nfsidl nfsio 63768 501273 0 0 3 0x14280 nfsidl nfsio 47225 441658 0 0 3 0x14280 nfsidl nfsio 20970 497105 0 0 3 0x14280 nfsidl nfsio 33944 467748 0 0 3 0x14280 nfsidl nfsio 54950 409666 0 0 3 0x14280 nfsidl nfsio 53805 211822 0 0 3 0x14280 nfsidl nfsio 39607 343674 0 0 3 0x14280 nfsidl nfsio 32786 181460 0 0 3 0x14280 nfsidl nfsio 2056 312022 0 0 3 0x14280 nfsidl nfsio 55434 122715 0 0 3 0x14280 nfsidl nfsio 38356 173828 0 0 3 0x14280 nfsidl nfsio 7205 413 0 0 3 0x14280 nfsidl nfsio 91747 680 0 0 3 0x14280 nfsidl nfsio 5965 457338 0 0 3 0x14280 nfsidl nfsio 75983 138000 0 0 3 0x14280 nfsidl nfsio 19316 274579 0 0 3 0x14280 nfsidl nfsio 62788 375242 0 0 3 0x14280 nfsidl nfsio 20862 42037 0 0 3 0x14280 nfsidl nfsio 29091 132295 0 0 3 0x14200 bored sosplice 12238 18024 62204 0 2 0xc82 syz-executor 87126 86232 62204 0 2 0xc82 syz-executor 94808 251991 62204 0 3 0x82 nanoslp syz-executor 87848 498984 62204 0 2 0xc82 syz-executor 46679 216132 62204 0 3 0x82 nanoslp syz-executor 62769 82260 62204 0 2 0x2 syz-executor 62204 243926 91346 0 3 0x82 kqread syz-executor 91346 501571 20187 0 3 0x10008a sigsusp ksh 20187 71930 89335 0 3 0x98 kqread sshd-session 89335 152905 31259 0 3 0x92 kqread sshd-session 31259 264917 1 0 3 0x88 kqread sshd 50355 359517 14615 74 3 0x1100092 bpf pflogd 14615 426962 1 0 3 0x80 sbwait pflogd 41968 427798 89109 73 3 0x1100090 kqread syslogd 89109 489385 1 0 3 0x100082 sbwait syslogd 738 253036 1 0 3 0x100080 kqread resolvd 52269 69974 4052 77 3 0x100092 kqread dhcpleased 910 474789 4052 77 3 0x100092 kqread dhcpleased 4052 45482 1 0 3 0x80 kqread dhcpleased 98753 160584 0 0 3 0x14200 bored smr 28713 123404 0 0 2 0x14200 zerothread 75512 261837 0 0 3 0x14200 aiodoned aiodoned 81667 115705 0 0 3 0x14200 syncer update 88306 434648 0 0 3 0x14200 cleaner cleaner 8234 242485 0 0 2 0x14200 reaper 29504 224526 0 0 3 0x14200 pgdaemon pagedaemon 55792 456285 0 0 3 0x14200 bored viomb 58781 428364 0 0 3 0x40014200 acpi0 acpi0 72030 328513 0 0 7 0x40014200 idle1 29343 148396 0 0 3 0x14200 bored softnet7 69150 203250 0 0 3 0x14200 bored softnet6 7643 432355 0 0 3 0x14200 bored softnet5 69182 186045 0 0 3 0x14200 bored softnet4 48012 435997 0 0 3 0x14200 bored softnet3 39828 394571 0 0 3 0x14200 bored softnet2 547 234255 0 0 3 0x14200 bored softnet1 36652 501745 0 0 3 0x14200 bored softnet0 25364 132410 0 0 3 0x14200 bored systqmp 18804 444391 0 0 3 0x14200 bored systq 92429 131229 0 0 3 0x14200 tmoslp softclockmp 52068 501506 0 0 2 0x40014200 softclock 49571 110669 0 0 3 0x40014200 idle0 1 31142 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 62769 (syz-executor) thread 0xffff80002a2b8a78 (82260) exclusive rrwlock inode r = 0 (0xfffffd805eb6fed0) #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 (0xfffffd806c052a18) #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 cache_lookup+0x351 sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x1e3 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #10 namei+0x7ca sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #12 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #13 Xsyscall+0x128 Process 8234 (reaper) thread 0xffff8000ffffc008 (242485) exclusive rwlock kmmaplk r = 0 (0xffffffff8392a7b0) #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:5168 #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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10272 11252K 12341K 166960K 13977 0 pcb 18 19K 20K 166960K 479 0 rtable 227 12K 12K 166960K 572 0 pf 39 18K 82K 166960K 264 0 ifaddr 43 8K 8K 166960K 135 0 ifgroup 59 2K 3K 166960K 252 0 sysctl 4 1K 9K 166960K 17 0 counters 70 37K 38K 166960K 274 0 ioctlops 0 0K 5K 166960K 1942 0 iov 0 0K 32K 166960K 217 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1529 96K 96K 166960K 3251 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 9K 166960K 19 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 215 0 dirhash 12 2K 3K 166960K 45 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 240K 166960K 2014 0 sigio 0 0K 0K 166960K 34 0 proc 72 115K 180K 166960K 816 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 230 0 in_multi 89 6K 7K 166960K 170 0 ether_multi 1 0K 0K 166960K 6 0 mrt 0 0K 0K 166960K 13 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 115 519K 519K 166960K 115 0 exec 0 0K 1K 166960K 719 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 252 169K 174K 166960K 20113 0 UVM aobj 40 6K 6K 166960K 44 0 pinsyscall 44 88K 104K 166960K 3179 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 1K 166960K 158 0 NDP 13 0K 2K 166960K 97 0 temp 80 8652K 8908K 166960K 130161 0 kqueue 13 20K 30K 166960K 421 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 120 190 0 186 2 1 1 2 0 8 0 rtentry 176 174 0 87 5 0 5 5 0 8 0 unpcb 144 1798 0 1779 22 21 1 6 0 8 0 syncache 336 11 0 11 6 6 0 1 0 8 0 tcpqe 32 3 0 3 1 1 0 1 0 8 0 tcpcb 736 723 0 716 21 19 2 8 0 8 1 arp 128 25 0 15 1 0 1 1 0 8 0 inpcb 328 2551 0 2538 37 35 2 10 0 8 0 nd6 144 27 0 9 1 0 1 1 0 8 0 pkpcb 40 78 0 78 7 7 0 1 0 8 0 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1192 78 0 78 6 5 1 1 0 8 1 pppxif 1504 8 0 8 4 4 0 1 0 8 0 pfstscr 40 1 0 0 1 0 1 1 0 8 0 pffrag 232 15 0 12 1 0 1 1 0 482 0 pffrnode 88 15 0 12 1 0 1 1 0 8 0 pffrent 40 26 0 23 1 0 1 1 0 8 0 pfosfp 40 1428 0 1428 5 5 0 5 0 8 0 pfosfpen 112 1428 0 1428 21 21 0 21 0 8 0 pfrktable 1344 3 0 3 2 2 0 1 0 8 0 pfanchor 1288 2 0 1 2 1 1 1 0 8 0 pftag 88 6 0 5 2 1 1 1 0 8 0 pfstitem 24 129 0 73 1 0 1 1 0 8 0 pfstkey 128 131 0 74 2 0 2 2 0 8 0 pfstate 384 129 0 74 7 1 6 6 0 8 0 pfrule 1344 43 0 38 2 1 1 2 0 8 0 rttmr 136 3 0 3 3 3 0 1 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 729 0 337 30 5 25 29 0 8 0 art_table 40 733 0 337 5 0 5 5 0 8 0 art_node 32 173 0 98 1 0 1 1 0 8 0 sysvmsgpl 40 44 0 42 2 1 1 1 0 8 0 semupl 112 5 0 5 3 3 0 1 0 8 0 semapl 112 212 0 202 1 0 1 1 0 8 0 shmpl 112 41 0 4 2 0 2 2 0 8 0 dirhash 1024 39 0 22 3 0 3 3 0 8 0 dino2pl 256 5231 0 3717 97 1 96 96 0 8 0 ffsino 296 5231 0 3717 119 1 118 118 0 8 0 nchpl 144 8101 0 6405 64 0 64 64 0 8 0 rtmask 32 16 0 16 4 4 0 1 0 8 0 uvmvnodes 80 5927 0 0 121 0 121 121 0 8 0 vnodes 216 5927 0 0 330 0 330 330 0 8 0 namei 1024 28593 0 28593 9 7 2 2 0 8 2 percpumem 16 152 0 102 1 0 1 1 0 8 0 kstatmem 264 158 0 128 6 3 3 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 16 0 16 8 7 1 1 0 8 1 scxspl 216 48205 0 48205 10 9 1 8 1 8 1 plimitpl 152 339 0 322 1 0 1 1 0 8 0 sigapl 424 2333 0 2258 9 0 9 9 0 8 0 knotepl 120 657 0 0 17 0 17 17 0 8 0 kqueuepl 224 1072 0 1061 24 23 1 5 0 8 0 pipepl 344 353 0 325 9 6 3 6 0 8 0 fdescpl 528 2287 0 2255 3 0 3 3 0 8 0 filepl 160 16122 0 15885 40 27 13 19 0 8 0 lockfpl 104 995 0 990 3 2 1 2 0 8 0 lockfspl 48 383 0 378 1 0 1 1 0 8 0 sessionpl 144 34 0 24 1 0 1 1 0 8 0 pgrppl 48 70 0 52 1 0 1 1 0 8 0 ucredpl 104 2419 0 2404 1 0 1 1 0 8 0 zombiepl 144 3271 0 3270 1 0 1 1 0 8 0 processpl 1248 2333 0 2258 6 0 6 6 0 8 0 procpl 664 5597 0 5513 10 2 8 9 0 8 0 sosppl 168 12 0 12 7 7 0 1 0 8 0 sockpl 752 4686 0 4650 67 62 5 18 0 8 0 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 124 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 28 0 0 4 0 4 4 0 8 0 mtagpl 96 22 0 0 1 0 1 1 0 8 0 mbufpl 256 1204 0 0 76 1 75 75 0 8 0 bufpl 280 19940 0 13797 440 0 440 440 0 8 0 anonpl 32 16931 0 0 137 1 136 136 0 246 0 amapchunkpl 152 69608 0 69010 87 57 30 41 0 158 2 amappl16 200 8854 0 8556 103 85 18 37 0 8 0 amappl15 192 9 0 9 1 1 0 1 0 8 0 amappl14 184 135 0 122 1 0 1 1 0 8 0 amappl13 176 10 0 9 2 1 1 1 0 8 0 amappl12 168 2971 0 2938 4 2 2 3 0 8 0 amappl11 160 53 0 39 1 0 1 1 0 8 0 amappl10 152 5 0 5 1 1 0 1 0 8 0 amappl9 144 252 0 252 1 1 0 1 0 8 0 amappl8 136 56 0 53 1 0 1 1 0 8 0 amappl7 128 123 0 109 1 0 1 1 0 8 0 amappl6 120 219 0 213 1 0 1 1 0 8 0 amappl5 112 134 0 123 1 0 1 1 0 8 0 amappl4 104 347 0 325 1 0 1 1 0 8 0 amappl3 96 14104 0 13992 4 0 4 4 0 8 0 amappl2 88 756 0 683 2 0 2 2 0 8 0 amappl1 80 17845 0 17161 20 5 15 15 0 8 0 amappl 88 19032 0 18858 5 0 5 5 0 92 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 128 258 0 258 5 5 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 8 0 8 2 2 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 43 0 4 1 0 1 1 0 8 0 uaddrrnd 24 2287 0 2255 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2287 0 2255 1 0 1 1 0 8 0 vmmpekpl 168 20102 0 20055 3 0 3 3 0 8 0 vmmpepl 168 151851 0 149394 156 43 113 122 0 357 1 vmsppl 488 2286 0 2255 6 1 5 5 0 8 0 rwobjpl 80 47157 0 39878 156 4 152 152 0 8 0 pdppl 4096 4582 0 4510 122 48 74 86 0 8 2 pvpl 32 24679 0 0 198 0 198 198 0 265 0 pmappl 256 2286 0 2255 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 397 0 89 9 0 9 9 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779 mtx_enter(18) at mtx_enter+0x4a sys/kern/kern_lock.c:260 clockintr_unbind(ffff800001533430,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff800001573000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(11e5f,1,2000,ffff80003c458558) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80003c458558) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003a41cd30) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800d7fe008,1,fffffd80097fb410,ffff80003c458558) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd800ec551e8,ffff80003c458558) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd800ec551e8,ffff80003c458558) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd800ec551e8,ffff80003c458558) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd800ec551e8,ffff80003c458558) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c458558) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c458558,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c458558,ffff80003a41d0a0,ffff80003a41cff0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003a41d0a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a41d0a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ea2513d5600, count: -15 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp 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 acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffff8000299edff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: 10 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 acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffff8000299edff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: -5