uvm_fault(0xfffffd806b9b7200, 0x0, 0, 1) -> e kernel: page fault trap, code=0 Stopped at dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 TID PID UID PRFLAGS PFLAGS CPU COMMAND 514493 33807 0 0 0 0 syz-executor dt_ioctl_record_stop(ffff800001483000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(21e5f,81,2000,ffff80003c452a88) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff80003c452a88) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff8000338ab8e0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805d135958,81,fffffd80097fb410,ffff80003c452a88) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd80751210c0,ffff80003c452a88) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd80751210c0,ffff80003c452a88) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd80751210c0,ffff80003c452a88) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd80751210c0,ffff80003c452a88) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c452a88) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c452a88,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c452a88,ffff8000338abc50,ffff8000338abba0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000338abc50) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000338abc50) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x761ba4b91910, count: 3 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: uvm_fault(0xfffffd806b9b7200, 0x0, 0, 1) -> e ddb{1}> trace dt_ioctl_record_stop(ffff800001483000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(21e5f,81,2000,ffff80003c452a88) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff80003c452a88) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff8000338ab8e0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805d135958,81,fffffd80097fb410,ffff80003c452a88) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd80751210c0,ffff80003c452a88) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd80751210c0,ffff80003c452a88) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd80751210c0,ffff80003c452a88) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd80751210c0,ffff80003c452a88) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c452a88) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c452a88,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c452a88,ffff8000338abc50,ffff8000338abba0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000338abc50) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000338abc50) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x761ba4b91910, count: -12 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff8000338ab810 rbx 0x1 rdx 0 rcx 0xffff80003c452a88 rax 0xffffffff837e0008 dt_prov_syscall r8 0 r9 0 r10 0xd62b2f800e32cd86 r11 0xf8acfa2ec20d7ebd r12 0 r13 0 r14 0 r15 0xffff80000149fb00 rip 0xffffffff81997a38 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff8000338ab7e0 ss 0 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb{1}> show proc PROC (syz-executor) tid=202751 pid=72811 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003c452a88 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80003c4534e8,0xffffffff838fd4a8 process=0xffff80003b824020 user=0xffff8000338a6000, vmspace=0xfffffd806b9b7200 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 33807 514493 23751 0 7 0 syz-executor 33807 460297 23751 0 3 0x4000000 biowait syz-executor 33807 195253 23751 0 3 0x4000000 inode syz-executor 33807 45955 23751 0 3 0x4000000 inode syz-executor 33807 176347 23751 0 3 0x4000000 inode syz-executor 79903 109918 34122 0 3 0x80 nanoslp syz-executor 79903 514561 34122 0 3 0x4000080 fsleep syz-executor 79903 503774 34122 0 3 0x4000080 netacc syz-executor 79903 90991 34122 0 3 0x4000080 fsleep syz-executor 97241 252074 41547 0 3 0x80 nanoslp syz-executor 97241 270599 41547 0 3 0x4000080 ttyopn syz-executor 97241 48613 41547 0 3 0x4000080 fsleep syz-executor 97241 90982 41547 0 3 0x4000080 fsleep syz-executor 40499 95857 58759 0 3 0x82 wait syz-executor 85893 293795 0 0 3 0x14280 nfsidl nfsio 33133 429745 0 0 3 0x14280 nfsidl nfsio 49651 198561 0 0 3 0x14280 nfsidl nfsio 4528 25240 0 0 3 0x14280 nfsidl nfsio 69474 308196 0 0 3 0x14280 nfsidl nfsio 20808 3748 0 0 3 0x14280 nfsidl nfsio 29318 43467 0 0 3 0x14280 nfsidl nfsio 8654 125657 0 0 3 0x14280 nfsidl nfsio 74150 245715 0 0 3 0x14280 nfsidl nfsio 25479 86345 0 0 3 0x14280 nfsidl nfsio 96371 398121 0 0 3 0x14280 nfsidl nfsio 58526 41358 0 0 3 0x14280 nfsidl nfsio 70801 310764 0 0 3 0x14280 nfsidl nfsio 5761 59013 0 0 3 0x14280 nfsidl nfsio 19820 163139 0 0 3 0x14280 nfsidl nfsio 18251 13626 0 0 3 0x14280 nfsidl nfsio 54258 268157 0 0 3 0x14280 nfsidl nfsio 72378 9346 0 0 3 0x14280 nfsidl nfsio 26829 402290 0 0 3 0x14280 nfsidl nfsio 78053 6113 0 0 3 0x14280 nfsidl nfsio 56331 157782 0 0 3 0x14200 bored sosplice 34122 215891 58759 0 3 0x82 nanoslp syz-executor 41547 334227 58759 0 3 0x82 nanoslp syz-executor 23751 416693 58759 0 3 0x82 nanoslp syz-executor 40703 258275 58759 0 3 0x82 wait syz-executor 79301 52061 58759 0 3 0x2 biowait syz-executor 4354 511450 58759 0 3 0x82 nanoslp syz-executor 34886 382775 58759 0 3 0x82 wait syz-executor 58759 503150 8024 0 3 0x82 kqread syz-executor 8024 89971 26211 0 3 0x10008a sigsusp ksh 26211 259323 14559 0 3 0x98 kqread sshd-session 14559 36027 93297 0 3 0x92 kqread sshd-session 49568 258088 1 0 3 0x100083 ttyin getty 93297 181257 1 0 3 0x88 kqread sshd 51033 371400 90349 74 3 0x1100092 bpf pflogd 90349 329940 1 0 3 0x80 sbwait pflogd 59944 81352 77022 73 3 0x1100090 kqread syslogd 77022 464894 1 0 3 0x100082 sbwait syslogd 87427 468834 1 0 3 0x100080 kqread resolvd 61268 228194 97177 77 3 0x100092 kqread dhcpleased 48968 513444 97177 77 3 0x100092 kqread dhcpleased 97177 491381 1 0 3 0x80 kqread dhcpleased 54201 489342 0 0 3 0x14200 bored smr 27571 259665 0 0 3 0x14200 pgzero zerothread 48475 192011 0 0 3 0x14200 aiodoned aiodoned 41141 448628 0 0 3 0x14200 syncer update 80548 401110 0 0 3 0x14200 cleaner cleaner 82696 282540 0 0 3 0x14200 reaper reaper 19601 95532 0 0 3 0x14200 pgdaemon pagedaemon 76418 97416 0 0 3 0x14200 bored viomb 68539 509939 0 0 3 0x40014200 acpi0 acpi0 24846 220292 0 0 3 0x40014200 idle1 35353 344371 0 0 3 0x14200 bored softnet7 53955 402398 0 0 3 0x14200 bored softnet6 33041 152776 0 0 3 0x14200 bored softnet5 25458 380805 0 0 3 0x14200 bored softnet4 36998 120623 0 0 3 0x14200 bored softnet3 26514 470253 0 0 3 0x14200 bored softnet2 74770 28777 0 0 3 0x14200 bored softnet1 76684 396898 0 0 3 0x14200 bored softnet0 28789 186072 0 0 3 0x14200 bored systqmp 46861 59470 0 0 3 0x14200 bored systq 54219 241466 0 0 3 0x14200 tmoslp softclockmp 49649 481083 0 0 3 0x40014200 tmoslp softclock 17131 95057 0 0 3 0x40014200 idle0 1 259408 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 33807 (syz-executor) thread 0xffff8000ffff2010 (460297) exclusive rrwlock inode r = 0 (0xfffffd806ea4d240) #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 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x242 sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 Process 33807 (syz-executor) thread 0xffff80003c4534e8 (176347) exclusive rrwlock inode r = 0 (0xfffffd80681d5da0) #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 domknodat+0xb4 sys/kern/vfs_syscalls.c:1592 #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 79301 (syz-executor) thread 0xffff8000ffff3a00 (52061) exclusive rrwlock inode r = 0 (0xfffffd806e1c3ed0) #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 (0xfffffd806c795570) #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10258 11105K 11232K 166960K 11785 0 pcb 18 19K 21K 166960K 232 0 rtable 203 10K 11K 166960K 709 0 pf 35 17K 131089K 166960K 174 0 ifaddr 39 6K 8K 166960K 117 0 ifgroup 55 2K 2K 166960K 180 0 sysctl 4 1K 9K 166960K 18 0 counters 68 36K 38K 166960K 210 0 ioctlops 0 0K 4K 166960K 1659 0 iov 0 0K 12K 166960K 31 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1340 84K 85K 166960K 1976 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 97 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 110K 166960K 839 0 sigio 0 0K 0K 166960K 18 0 proc 72 115K 180K 166960K 660 0 subproc 72 4K 4K 166960K 90 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 4 0K 0K 166960K 120 0 in_multi 75 5K 7K 166960K 175 0 ether_multi 1 0K 0K 166960K 7 0 mrt 1 0K 0K 166960K 9 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 509 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 4K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 248 160K 177K 166960K 9154 0 UVM aobj 21 2K 2K 166960K 25 0 pinsyscall 42 84K 106K 166960K 2007 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 57 0 NDP 12 0K 2K 166960K 73 0 temp 117 8646K 8771K 166960K 34073 0 kqueue 13 20K 30K 166960K 183 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> 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 120 127 0 124 2 1 1 2 0 8 0 rtentry 176 232 0 156 5 0 5 5 0 8 0 unpcb 144 685 0 666 2 1 1 2 0 8 0 syncache 336 4 0 4 2 2 0 1 0 8 0 tcpcb 736 333 0 329 10 9 1 10 0 8 0 arp 128 21 0 10 1 0 1 1 0 8 0 inpcb 328 1111 0 1100 16 14 2 13 0 8 0 nd6 144 25 0 11 1 0 1 1 0 8 0 pkpcb 40 2 0 2 2 2 0 1 0 8 0 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1192 56 0 56 1 0 1 1 0 8 1 pppxif 1504 12 0 12 2 1 1 1 0 8 1 pffrag 232 9 0 2 1 0 1 1 0 482 0 pffrnode 88 9 0 2 1 0 1 1 0 8 0 pffrent 40 12 0 5 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 9 0 9 1 1 0 1 0 8 0 pfanchor 1288 2 0 1 2 1 1 1 0 8 0 pfstitem 24 64 0 20 1 0 1 1 0 8 0 pfstkey 128 64 0 20 2 0 2 2 0 8 0 pfstate 384 64 0 19 5 0 5 5 0 8 0 pfrule 1344 32 0 26 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 6 0 2 5 0 5 5 0 8 1 art_heap4 256 760 0 435 29 7 22 29 0 8 0 art_table 40 766 0 437 5 0 5 5 0 8 0 art_node 32 231 0 165 2 0 2 2 0 8 1 sysvmsgpl 40 6 0 4 1 0 1 1 0 8 0 semapl 112 95 0 85 1 0 1 1 0 8 0 shmpl 112 22 0 4 1 0 1 1 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 3027 0 1513 96 0 96 96 0 8 0 ffsino 296 3027 0 1513 118 0 118 118 0 8 0 nchpl 144 4199 0 2495 64 0 64 64 0 8 0 rtmask 32 12 0 12 1 0 1 1 0 8 1 uvmvnodes 80 3321 0 0 68 0 68 68 0 8 0 vnodes 216 3321 0 0 185 0 185 185 0 8 0 namei 1024 14015 0 14013 2 1 1 2 0 8 0 percpumem 16 120 0 71 1 0 1 1 0 8 0 pfiaddrpl 120 3 0 3 1 1 0 1 0 8 0 kstatmem 264 110 0 82 3 0 3 3 0 8 0 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 22013 0 22011 9 8 1 8 1 8 0 plimitpl 152 118 0 99 1 0 1 1 0 8 0 sigapl 424 1166 0 1092 9 0 9 9 0 8 0 knotepl 120 496 0 0 16 0 16 16 0 8 0 kqueuepl 224 416 0 407 7 2 5 5 0 8 4 pipepl 344 171 0 143 3 0 3 3 0 8 0 fdescpl 528 1121 0 1090 3 0 3 3 0 8 0 filepl 160 7289 0 7054 19 3 16 16 0 8 4 lockfpl 104 256 0 254 1 0 1 1 0 8 0 lockfspl 48 99 0 97 1 0 1 1 0 8 0 sessionpl 144 25 0 16 1 0 1 1 0 8 0 pgrppl 48 53 0 36 1 0 1 1 0 8 0 ucredpl 104 1310 0 1295 1 0 1 1 0 8 0 zombiepl 144 1096 0 1092 1 0 1 1 0 8 0 processpl 1232 1166 0 1092 6 0 6 6 0 8 0 procpl 664 2306 0 2222 8 0 8 8 0 8 0 sosppl 168 9 0 9 1 1 0 1 0 8 0 sockpl 752 1937 0 1904 20 15 5 17 0 8 1 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 123 0 0 16 0 16 16 0 8 0 mcl2k 2048 31 0 0 4 0 4 4 0 8 0 mtagpl 96 5 0 0 1 0 1 1 0 8 0 mbufpl 256 216 0 0 14 0 14 14 0 8 0 bufpl 280 8791 0 2645 440 0 440 440 0 8 0 anonpl 32 12191 0 0 99 0 99 99 0 246 0 amapchunkpl 152 30719 0 30196 34 6 28 29 0 158 6 amappl16 200 4659 0 4570 38 20 18 27 0 8 8 amappl15 192 7 0 6 1 0 1 1 0 8 0 amappl14 184 134 0 122 1 0 1 1 0 8 0 amappl13 176 37 0 37 2 2 0 1 0 8 0 amappl12 168 1814 0 1782 4 1 3 3 0 8 0 amappl11 160 55 0 41 1 0 1 1 0 8 0 amappl10 152 2 0 2 1 1 0 1 0 8 0 amappl9 144 257 0 257 1 1 0 1 0 8 0 amappl8 136 20 0 18 1 0 1 1 0 8 0 amappl7 128 126 0 113 1 0 1 1 0 8 0 amappl6 120 203 0 200 1 0 1 1 0 8 0 amappl5 112 136 0 127 1 0 1 1 0 8 0 amappl4 104 312 0 290 1 0 1 1 0 8 0 amappl3 96 5931 0 5810 4 0 4 4 0 8 0 amappl2 88 682 0 618 2 0 2 2 0 8 0 amappl1 80 11617 0 11008 17 3 14 15 0 8 0 amappl 88 8293 0 8118 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 9 0 9 3 2 1 1 0 8 1 dma128 128 254 0 254 2 2 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 24 0 4 1 0 1 1 0 8 0 uaddrrnd 24 1121 0 1090 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1121 0 1090 1 0 1 1 0 8 0 vmmpekpl 168 10103 0 10052 3 0 3 3 0 8 0 vmmpepl 168 77177 0 75064 113 5 108 111 0 357 9 vmsppl 488 1120 0 1090 5 0 5 5 0 8 0 rwobjpl 80 26366 0 22003 90 0 90 90 0 8 0 pdppl 4096 2250 0 2180 110 38 72 86 0 8 2 pvpl 32 18743 0 0 153 1 152 152 0 265 0 pmappl 256 1120 0 1090 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 301 0 60 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83787ff0) 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 __mp_lock(ffffffff839a0500) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839a0500) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80002a315500,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x701ea9efe3f0, count: 9 ddb{0}> trace x86_ipi_db(ffffffff83787ff0) 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 __mp_lock(ffffffff839a0500) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839a0500) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80002a315500,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x701ea9efe3f0, count: -6 ddb{0}> machine ddbcpu 1 Stopped at dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 dt_ioctl_record_stop(ffff800001483000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(21e5f,81,2000,ffff80003c452a88) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff80003c452a88) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff8000338ab8e0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805d135958,81,fffffd80097fb410,ffff80003c452a88) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd80751210c0,ffff80003c452a88) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd80751210c0,ffff80003c452a88) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd80751210c0,ffff80003c452a88) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd80751210c0,ffff80003c452a88) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c452a88) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c452a88,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c452a88,ffff8000338abc50,ffff8000338abba0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000338abc50) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000338abc50) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x761ba4b91910, count: 3 ddb{1}> trace dt_ioctl_record_stop(ffff800001483000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(21e5f,81,2000,ffff80003c452a88) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff80003c452a88) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff8000338ab8e0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805d135958,81,fffffd80097fb410,ffff80003c452a88) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd80751210c0,ffff80003c452a88) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd80751210c0,ffff80003c452a88) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd80751210c0,ffff80003c452a88) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd80751210c0,ffff80003c452a88) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c452a88) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c452a88,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c452a88,ffff8000338abc50,ffff8000338abba0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000338abc50) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000338abc50) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x761ba4b91910, count: -12