uvm_fault(0xfffffd806cb005d0, 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 233391 71167 0 0 0x1 1 syz-executor dt_ioctl_record_stop(ffff800001493000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff80003c449250) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003c449250) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c0050d0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8073020138,81,fffffd80097fd680,ffff80003c449250) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8073e53d38,ffff80003c449250) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8073e53d38,ffff80003c449250) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8073e53d38,ffff80003c449250) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8073e53d38,ffff80003c449250) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c449250) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c449250,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c449250,ffff80003c005440,ffff80003c005390) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c005440) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c005440) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d2a99a426f0, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault(0xfffffd806cb005d0, 0x0, 0, 1) -> e ddb{0}> trace dt_ioctl_record_stop(ffff800001493000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff80003c449250) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003c449250) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c0050d0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8073020138,81,fffffd80097fd680,ffff80003c449250) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8073e53d38,ffff80003c449250) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8073e53d38,ffff80003c449250) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8073e53d38,ffff80003c449250) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8073e53d38,ffff80003c449250) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c449250) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c449250,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c449250,ffff80003c005440,ffff80003c005390) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c005440) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c005440) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d2a99a426f0, count: -12 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80003c005000 rbx 0x1 rdx 0 rcx 0xffff80003c449250 rax 0xffffffff838572d8 dt_prov_syscall r8 0 r9 0 r10 0x5ee2e9d0141d2651 r11 0xd5c9e1d22d37bea r12 0 r13 0 r14 0 r15 0xffff800001501f00 rip 0xffffffff825a8d18 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff80003c004fd0 ss 0x10 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb{0}> show proc PROC (syz-executor) tid=388838 pid=16877 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003c449250 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff8000fffefa08,0xffff80002ffd6570 process=0xffff80003c4deb78 user=0xffff80003c000000, vmspace=0xfffffd806cb005d0 estcpu=36, cpticks=4, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 71167 233391 31599 0 7 0x1 syz-executor 71167 485418 31599 0 3 0x4000080 fsleep syz-executor 71167 392103 31599 0 3 0x4000080 fsleep syz-executor 71167 297831 31599 0 3 0x4000080 fsleep syz-executor 71167 228714 31599 0 3 0x4000080 fsleep syz-executor 71167 131305 31599 0 3 0x4000080 fsleep syz-executor 89440 212741 99672 0 3 0x80 nanoslp syz-executor 89440 41378 99672 0 3 0x4000080 kqread syz-executor 89440 398709 99672 0 3 0x4000080 fsleep syz-executor 43364 371370 68127 0 3 0x80 nanoslp syz-executor 43364 94531 68127 0 3 0x4000080 kqsel syz-executor 43364 204009 68127 0 3 0x4000080 kqsel syz-executor 43364 147258 68127 0 3 0x4000080 fsleep syz-executor 99672 88049 58729 0 3 0x82 nanoslp syz-executor 2854 21284 0 0 3 0x14200 acct acct 31599 333549 58729 0 2 0x2 syz-executor 18170 135149 0 0 3 0x14280 nfsidl nfsio 7720 480461 0 0 3 0x14280 nfsidl nfsio 65932 421612 0 0 3 0x14280 nfsidl nfsio 30112 236303 0 0 3 0x14280 nfsidl nfsio 82703 125955 0 0 3 0x14280 nfsidl nfsio 25459 72085 0 0 3 0x14280 nfsidl nfsio 63976 177033 0 0 3 0x14280 nfsidl nfsio 92879 238500 0 0 3 0x14280 nfsidl nfsio 15344 508888 0 0 3 0x14280 nfsidl nfsio 63953 130754 0 0 3 0x14280 nfsidl nfsio 23487 46565 0 0 3 0x14280 nfsidl nfsio 41305 186475 0 0 3 0x14280 nfsidl nfsio 65156 456562 0 0 3 0x14280 nfsidl nfsio 72870 309314 0 0 3 0x14280 nfsidl nfsio 22093 367340 0 0 3 0x14280 nfsidl nfsio 21119 385338 0 0 3 0x14280 nfsidl nfsio 34844 319684 0 0 3 0x14280 nfsidl nfsio 97287 357804 0 0 3 0x14280 nfsidl nfsio 10833 147847 1 0 3 0x100083 ttyopn getty 34164 372688 85921 0 3 0x100082 sbwait ndp 85921 449091 8634 0 3 0x10008a sigsusp sh 68774 351009 58729 0 2 0x10000002 syz-executor 52901 330989 58729 0 2 0xc82 syz-executor 54376 182645 58729 0 2 0x2 syz-executor 8634 390762 58729 0 3 0x82 wait syz-executor 68127 117598 58729 0 3 0x82 nanoslp syz-executor 96326 265098 58729 0 2 0x2 syz-executor 58729 490354 88005 0 2 0x2 syz-executor 88005 63153 63601 0 3 0x10008a sigsusp ksh 63601 40401 46942 0 3 0x98 kqread sshd-session 46942 217971 12096 0 3 0x92 kqread sshd-session 12096 177827 1 0 3 0x88 kqread sshd 73988 193097 45733 74 3 0x1100092 bpf pflogd 45733 45101 1 0 3 0x80 sbwait pflogd 54831 100958 59212 73 3 0x1100090 kqread syslogd 59212 348938 1 0 3 0x100082 sbwait syslogd 66845 352994 1 0 3 0x100080 kqread resolvd 81721 8644 97674 77 3 0x100092 kqread dhcpleased 2850 43191 97674 77 3 0x100092 kqread dhcpleased 97674 11412 1 0 3 0x80 kqread dhcpleased 40184 463626 0 0 3 0x14200 pause smr 10479 219376 0 0 2 0x14200 zerothread 5873 120369 0 0 3 0x14200 aiodoned aiodoned 3981 157544 0 0 3 0x14200 syncer update 88816 420674 0 0 3 0x14200 cleaner cleaner 81696 474751 0 0 3 0x14200 reaper reaper 77115 404875 0 0 3 0x14200 pgdaemon pagedaemon 76528 215346 0 0 3 0x14200 bored viomb 30628 316262 0 0 3 0x40014200 acpi0 acpi0 50354 207527 0 0 3 0x40014200 idle1 11225 85880 0 0 3 0x14200 bored softnet1 51716 476351 0 0 3 0x14200 bored softnet0 38396 281797 0 0 3 0x14200 bored systqmp 27170 375784 0 0 3 0x14200 bored systq 83390 62972 0 0 3 0x14200 tmoslp softclockmp 35510 507291 0 0 3 0x40014200 tmoslp softclock 30522 138502 0 0 3 0x40014200 idle0 1 351755 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 54376 (syz-executor) thread 0xffff8000fffef240 (182645) exclusive rrwlock inode r = 0 (0xfffffd806ca586a8) #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 vget+0x2a2 sys/kern/vfs_subr.c:686 #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:765 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cf7cb40) #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 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:765 #9 Xsyscall+0x128 Process 96326 (syz-executor) thread 0xffff8000ffffd230 (265098) exclusive rrwlock inode r = 0 (0xfffffd806ca58b48) #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:765 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d873eb0) #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:765 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10229 11331K 11427K 166960K 13327 0 pcb 18 16K 18K 166960K 484 0 rtable 235 13K 13K 166960K 690 0 pf 37 18K 83K 166960K 174 0 ifaddr 40 7K 8K 166960K 134 0 ifgroup 58 2K 3K 166960K 208 0 sysctl 4 1K 9K 166960K 16 0 counters 68 36K 38K 166960K 244 0 ioctlops 0 0K 4K 166960K 1808 0 iov 0 0K 16K 166960K 119 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1499 94K 95K 166960K 2707 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 2K 9K 166960K 20 0 VM map 2 1K 1K 166960K 2 0 sem 20 5K 6K 166960K 50 0 dirhash 12 2K 2K 166960K 30 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 97K 166960K 1288 0 sigio 0 0K 0K 166960K 13 0 proc 76 131K 164K 166960K 785 0 subproc 72 4K 4K 166960K 118 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 136 0 in_multi 77 5K 7K 166960K 207 0 ether_multi 1 0K 0K 166960K 12 0 mrt 1 0K 0K 166960K 8 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 622 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 244 161K 178K 166960K 13564 0 UVM aobj 29 8K 8K 166960K 31 0 pinsyscall 42 84K 108K 166960K 2586 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 84 0 NDP 14 0K 2K 166960K 91 0 temp 82 8668K 8753K 166960K 63386 0 kqueue 14 22K 29K 166960K 232 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 120 183 0 179 3 2 1 3 0 8 0 rtentry 176 211 0 124 5 0 5 5 0 8 0 unpcb 144 866 0 847 11 7 4 6 0 8 3 syncache 336 12 0 12 2 1 1 1 0 8 1 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 736 476 0 470 12 7 5 7 0 8 3 arp 136 34 0 16 1 0 1 1 0 8 0 inpcb 328 1505 0 1492 19 9 10 10 0 8 8 nd6 152 41 0 23 1 0 1 1 0 8 0 pkpcb 40 8 0 8 4 3 1 1 0 8 1 kcovpl 48 13 0 5 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 0 1 1 0 8 1 ppxss 1192 70 0 70 2 1 1 1 0 8 1 pppxif 1504 7 0 7 3 2 1 1 0 8 1 pffrag 232 18 0 7 1 0 1 1 0 482 0 pffrnode 88 14 0 3 1 0 1 1 0 8 0 pffrent 40 25 0 14 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 pfanchor 1288 2 0 0 1 0 1 1 0 8 0 pfstitem 24 91 0 24 1 0 1 1 0 8 0 pfstkey 128 91 0 24 3 0 3 3 0 8 0 pfstate 448 90 0 24 8 0 8 8 0 8 0 pfrule 1344 22 0 17 2 1 1 2 0 8 0 rttmr 136 3 0 3 2 1 1 1 0 8 1 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 966 0 588 34 7 27 31 0 8 1 art_table 40 970 0 588 5 0 5 5 0 8 0 art_node 32 207 0 131 1 0 1 1 0 8 0 sysvmsgpl 40 11 0 6 1 0 1 1 0 8 0 semupl 112 5 0 5 2 1 1 1 0 8 1 semapl 112 45 0 27 1 0 1 1 0 8 0 shmpl 112 26 0 2 1 0 1 1 0 8 0 dirhash 1024 29 0 12 3 0 3 3 0 8 0 dino2pl 256 3829 0 2309 97 1 96 96 0 8 0 ffsino 296 3829 0 2309 118 0 118 118 0 8 0 nchpl 144 5541 0 3820 64 0 64 64 0 8 0 rtmask 32 16 0 16 3 2 1 1 0 8 1 vnodes 216 4676 0 0 260 0 260 260 0 8 0 namei 1024 19686 0 19685 3 2 1 2 0 8 0 percpumem 16 137 0 88 1 0 1 1 0 8 0 vcpupl 3968 2 0 0 1 0 1 1 0 8 0 vmpool 840 2 0 0 1 0 1 1 0 8 0 kstatmem 264 134 0 106 5 2 3 3 0 8 0 scsiplug 72 5 0 5 1 0 1 1 0 8 1 scxspl 216 28974 0 28974 11 8 3 8 1 8 3 plimitpl 152 421 0 403 1 0 1 1 0 8 0 sigapl 424 1615 0 1549 8 0 8 8 0 8 0 knotepl 120 535 0 0 16 0 16 16 0 8 0 kqueuepl 224 562 0 550 6 4 2 5 0 8 1 pipepl 344 227 0 199 3 0 3 3 0 8 0 fdescpl 528 1579 0 1549 3 0 3 3 0 8 0 filepl 160 10553 0 10329 24 10 14 19 0 8 2 lockfpl 104 441 0 437 1 0 1 1 0 8 0 lockfspl 48 195 0 191 1 0 1 1 0 8 0 sessionpl 144 36 0 27 1 0 1 1 0 8 0 pgrppl 48 61 0 44 1 0 1 1 0 8 0 ucredpl 104 1699 0 1686 1 0 1 1 0 8 0 zombiepl 144 1551 0 1549 2 1 1 1 0 8 0 processpl 1232 1615 0 1549 6 0 6 6 0 8 0 procpl 664 3535 0 3459 9 2 7 8 0 8 0 sosppl 176 3 0 3 2 1 1 1 0 8 1 sockpl 752 2589 0 2553 39 27 12 23 0 8 8 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 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 119 0 0 15 0 15 15 0 8 0 mcl2k 2048 48 0 0 5 0 5 5 0 8 0 mtagpl 96 22 0 0 1 0 1 1 0 8 0 mbufpl 256 292 0 0 18 0 18 18 0 8 0 bufpl 280 10909 0 4772 439 0 439 439 0 8 0 anonpl 32 10657 0 0 86 0 86 86 0 246 0 amapchunkpl 152 45571 0 45070 46 20 26 34 0 158 3 amappl16 200 4922 0 4895 44 30 14 25 0 8 7 amappl15 192 1 0 1 1 1 0 1 0 8 0 amappl14 184 74 0 74 1 1 0 1 0 8 0 amappl13 176 489 0 486 1 0 1 1 0 8 0 amappl12 168 1994 0 1951 3 0 3 3 0 8 0 amappl11 160 21 0 21 1 1 0 1 0 8 0 amappl10 152 56 0 42 1 0 1 1 0 8 0 amappl9 144 250 0 250 1 1 0 1 0 8 0 amappl8 136 29 0 27 1 0 1 1 0 8 0 amappl7 128 106 0 105 1 0 1 1 0 8 0 amappl6 120 363 0 348 1 0 1 1 0 8 0 amappl5 112 82 0 71 1 0 1 1 0 8 0 amappl4 104 486 0 453 1 0 1 1 0 8 0 amappl3 96 7880 0 7792 4 1 3 3 0 8 0 amappl2 88 1752 0 1677 2 0 2 2 0 8 0 amappl1 80 16383 0 15765 15 0 15 15 0 8 0 amappl 88 12507 0 12348 5 0 5 5 0 92 0 uvmvnodes 80 143 0 0 3 0 3 3 0 8 0 dma65536 65536 2 0 2 2 2 0 1 0 8 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma4096 4096 3 0 3 2 1 1 1 0 8 1 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 1 1 1 0 8 1 dma64 64 9 0 9 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 30 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1579 0 1549 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1579 0 1549 1 0 1 1 0 8 0 vmmpekpl 168 14408 0 14352 3 0 3 3 0 8 0 vmmpepl 168 107867 0 105997 114 16 98 108 0 357 0 vmsppl 488 1578 0 1549 5 0 5 5 0 8 0 rwobjpl 80 31000 0 29862 33 4 29 32 0 8 0 pdppl 4096 3170 0 3100 113 35 78 88 0 8 8 pvpl 32 18940 0 0 155 2 153 153 0 265 0 pmappl 256 1580 0 1549 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 328 0 58 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace dt_ioctl_record_stop(ffff800001493000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff80003c449250) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003c449250) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c0050d0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8073020138,81,fffffd80097fd680,ffff80003c449250) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8073e53d38,ffff80003c449250) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8073e53d38,ffff80003c449250) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8073e53d38,ffff80003c449250) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8073e53d38,ffff80003c449250) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c449250) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c449250,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c449250,ffff80003c005440,ffff80003c005390) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c005440) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c005440) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d2a99a426f0, count: -12 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 __mp_lock(ffffffff83932e40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83932e40) at __mp_lock+0x192 sys/kern/kern_lock.c:173 ktrsysret(ffff80002ffd6030,5b,0,ffff80002a366120) at ktrsysret+0xde ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff80002ffd6030,5b,0,ffff80002a366120) at ktrsysret+0xde sys/kern/kern_ktrace.c:209 syscall(ffff80002a3661d0) at syscall+0xa50 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff80002a3661d0) at syscall+0xa50 sys/arch/amd64/amd64/trap.c:786 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76562bbaf310, count: 8 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 __mp_lock(ffffffff83932e40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83932e40) at __mp_lock+0x192 sys/kern/kern_lock.c:173 ktrsysret(ffff80002ffd6030,5b,0,ffff80002a366120) at ktrsysret+0xde ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff80002ffd6030,5b,0,ffff80002a366120) at ktrsysret+0xde sys/kern/kern_ktrace.c:209 syscall(ffff80002a3661d0) at syscall+0xa50 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff80002a3661d0) at syscall+0xa50 sys/arch/amd64/amd64/trap.c:786 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76562bbaf310, count: -7