uvm_fault(0xfffffd805be4d210, 0x0, 0, 1) -> e kernel: page fault trap, code=0 Stopped at dt_ioctl_record_stop+0xf0: movq 0(%r14),%r12 TID PID UID PRFLAGS PFLAGS CPU COMMAND *221548 21070 0 0 0x4000000 0 syz-executor 144846 88817 0 0 0 1 syz-executor dt_ioctl_record_stop(ffff80000147d000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(11e5f,81,2000,ffff800038c16028) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff800038c16028) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c4733b0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8079f63018,81,fffffd80097fb068,ffff800038c16028) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806383f7f0,ffff800038c16028) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806383f7f0,ffff800038c16028) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806383f7f0,ffff800038c16028) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd806383f7f0,ffff800038c16028) at closef+0x192 sys/kern/kern_descrip.c:1251 syscall(ffff80003c473610) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c473610) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfbc99bd3f50, count: 6 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(0xfffffd805be4d210, 0x0, 0, 1) -> e ddb{0}> trace dt_ioctl_record_stop(ffff80000147d000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(11e5f,81,2000,ffff800038c16028) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff800038c16028) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c4733b0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8079f63018,81,fffffd80097fb068,ffff800038c16028) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806383f7f0,ffff800038c16028) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806383f7f0,ffff800038c16028) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806383f7f0,ffff800038c16028) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd806383f7f0,ffff800038c16028) at closef+0x192 sys/kern/kern_descrip.c:1251 syscall(ffff80003c473610) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c473610) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfbc99bd3f50, count: -9 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80003c4732e0 rbx 0xffffffff81c96f00 dtclose rdx 0 rcx 0xffff800038c16028 rax 0xffffffff83828c18 dt_prov_syscall r8 0xffffffff822712c0 uvm_map_inentry_sp r9 0x1 r10 0 r11 0x6ef1611c965f57f4 r12 0xffff80000006c780 r13 0 r14 0 r15 0xffff800001507b00 rip 0xffffffff81c972e0 dt_ioctl_record_stop+0xf0 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff80003c4732b0 ss 0x10 dt_ioctl_record_stop+0xf0: movq 0(%r14),%r12 ddb{0}> show proc PROC (syz-executor) tid=221548 pid=21070 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800038c16548,0xffff800038c15230 process=0xffff800038c18500 user=0xffff80003c46e000, vmspace=0xfffffd805be4d210 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 21070 380967 99390 0 2 0 syz-executor *21070 221548 99390 0 7 0x4000000 syz-executor 21070 95670 99390 0 3 0x4000080 fsleep syz-executor 62340 43730 51024 0 2 0 syz-executor 62340 66541 51024 0 3 0x4000080 fsleep syz-executor 88817 144846 60480 0 7 0 syz-executor 88817 373861 60480 0 3 0x4000080 syz-executor 88817 3260 60480 0 3 0x4000080 fsleep syz-executor 1510 147123 21560 0 2 0 syz-executor 1510 275828 21560 0 3 0x4000080 fsleep syz-executor 5038 323564 97892 0 2 0 syz-executor 5038 447641 97892 0 3 0x4000000 physio syz-executor 5038 109064 97892 0 3 0x4000000 vmmaplk syz-executor 93023 506796 92025 0 3 0x80 nanoslp syz-executor 93023 310265 92025 0 3 0x4000080 netcon syz-executor 93023 11162 92025 0 3 0x4000080 fsleep syz-executor 85934 77520 24288 0 3 0x3000 suspend syz-executor 85934 422337 24288 0 2 0x4081000 syz-executor 85934 375768 24288 0 3 0x4081000 fltagain2 syz-executor 66597 298097 42980 0 3 0x3000 suspend syz-executor 66597 4565 42980 0 2 0x4081000 syz-executor 42980 259090 86988 0 2 0x2 syz-executor 14922 367657 0 0 3 0x14200 acct acct 67206 224736 0 0 3 0x14200 bored sosplice 97892 175864 86988 0 3 0x82 nanoslp syz-executor 99390 388036 86988 0 3 0x82 nanoslp syz-executor 51024 57511 86988 0 3 0x82 nanoslp syz-executor 92025 517156 86988 0 3 0x82 nanoslp syz-executor 60480 133095 86988 0 3 0x82 nanoslp syz-executor 24288 367989 86988 0 3 0x82 nanoslp syz-executor 21560 140121 86988 0 2 0xc82 syz-executor 86988 353827 66874 0 3 0x82 kqread syz-executor 66874 3758 41309 0 3 0x10008a sigsusp ksh 41309 422679 40812 0 3 0x98 kqread sshd-session 40812 344586 17216 0 3 0x92 kqread sshd-session 42719 317999 1 0 3 0x100083 ttyin getty 17216 15606 1 0 3 0x88 kqread sshd 59691 19032 12660 74 3 0x1100092 bpf pflogd 12660 458882 1 0 3 0x80 sbwait pflogd 68938 18990 22766 73 3 0x1100090 kqread syslogd 22766 445700 1 0 3 0x100082 sbwait syslogd 99105 81632 1 0 3 0x100080 kqread resolvd 40940 203381 75070 77 3 0x100092 kqread dhcpleased 28103 275563 75070 77 3 0x100092 kqread dhcpleased 75070 383267 1 0 3 0x80 kqread dhcpleased 37293 136459 0 0 3 0x14200 bored smr 39476 311378 0 0 3 0x14200 pgzero zerothread 12703 341825 0 0 3 0x14200 aiodoned aiodoned 45312 97124 0 0 3 0x14200 syncer update 61865 135297 0 0 3 0x14200 cleaner cleaner 39426 110243 0 0 3 0x14200 reaper reaper 45397 94957 0 0 3 0x14200 pgdaemon pagedaemon 74337 244141 0 0 3 0x14200 bored viomb 44228 286465 0 0 3 0x40014200 acpi0 acpi0 76997 15952 0 0 3 0x40014200 idle1 26905 275001 0 0 3 0x14200 bored softnet7 68812 468030 0 0 3 0x14200 bored softnet6 25137 320430 0 0 3 0x14200 bored softnet5 66228 62332 0 0 3 0x14200 bored softnet4 52321 310900 0 0 3 0x14200 bored softnet3 24450 479553 0 0 3 0x14200 bored softnet2 24915 14999 0 0 3 0x14200 bored softnet1 58687 320189 0 0 3 0x14200 bored softnet0 25385 323702 0 0 3 0x14200 bored systqmp 76068 290845 0 0 3 0x14200 bored systq 97419 191128 0 0 3 0x14200 tmoslp softclockmp 74664 169684 0 0 2 0x40014200 softclock 26272 338076 0 0 3 0x40014200 idle0 1 92244 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 21070 (syz-executor) thread 0xffff800038c16028 (221548) exclusive rwlock dtlk r = 0 (0xffffffff83815d18) #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+0x42b sys/kern/kern_rwlock.c:319 #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:1267 #8 closef+0x192 sys/kern/kern_descrip.c:1251 #9 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 #10 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838de9f0) #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:1267 #3 closef+0x192 sys/kern/kern_descrip.c:1251 #4 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 #5 Xsyscall+0x128 Process 5038 (syz-executor) thread 0xffff800038c15c60 (447641) shared rwlock vmmaplk r = 0 (0xfffffd805be4dc98) #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_read+0x3e8 sys/kern/kern_rwlock.c:412 #2 uvm_vslock_device+0x149 sys/uvm/uvm_glue.c:173 #3 physio+0x277 sys/kern/kern_physio.c:139 #4 spec_read+0x155 sys/kern/spec_vnops.c:215 #5 VOP_READ+0x102 sys/kern/vfs_vops.c:227 #6 vn_read+0x17b sys/kern/vfs_vnops.c:369 #7 dofilereadv+0x230 sys/kern/sys_generic.c:252 #8 sys_pread+0xae sys/kern/vfs_syscalls.c:3303 #9 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 #10 Xsyscall+0x128 Process 85934 (syz-executor) thread 0xffff800038c179c8 (422337) exclusive rrwlock inode r = 0 (0xfffffd806d9a48d8) #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+0x42b sys/kern/kern_rwlock.c:319 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x190 sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x23c sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 Process 66597 (syz-executor) thread 0xffff800038c154b0 (4565) exclusive rrwlock inode r = 0 (0xfffffd806e2e16f0) #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+0x42b sys/kern/kern_rwlock.c:319 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x190 sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x23c sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10215 11058K 11497K 166960K 12917 0 pcb 17 13K 14K 166960K 211 0 rtable 186 9K 10K 166960K 441 0 pf 31 17K 81K 166960K 131 0 ifaddr 32 5K 8K 166960K 88 0 ifgroup 43 2K 2K 166960K 134 0 sysctl 4 1K 9K 166960K 14 0 counters 62 36K 37K 166960K 152 0 ioctlops 0 0K 4K 166960K 1730 0 iov 0 0K 20K 166960K 57 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1462 92K 92K 166960K 2411 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 22 3K 3K 166960K 36 0 dirhash 12 2K 3K 166960K 33 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 240K 166960K 1026 0 sigio 0 0K 0K 166960K 12 0 proc 72 115K 164K 166960K 643 0 subproc 72 4K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 196 0 in_multi 68 4K 7K 166960K 151 0 ether_multi 1 0K 0K 166960K 10 0 mrt 1 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 103 466K 466K 166960K 103 0 exec 0 0K 1K 166960K 534 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 259 168K 177K 166960K 11177 0 UVM aobj 84 7K 7K 166960K 85 0 pinsyscall 43 86K 102K 166960K 2147 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 44 0 NDP 9 0K 2K 166960K 59 0 temp 77 8684K 8806K 166960K 52223 0 kqueue 15 24K 30K 166960K 182 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 120 108 0 105 1 0 1 1 0 8 0 rtentry 176 141 0 74 5 0 5 5 0 8 0 unpcb 144 745 0 728 4 2 2 4 0 8 1 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 736 344 0 338 10 4 6 7 0 8 5 arp 128 19 0 8 1 0 1 1 0 8 0 ipq 40 1 0 1 1 1 0 1 0 8 0 ipqe 40 3 0 3 1 1 0 1 0 8 0 inpcb 328 1054 0 1044 10 3 7 7 0 8 5 ip6q 72 2 0 0 1 0 1 1 0 8 0 ip6af 40 4 0 0 1 0 1 1 0 8 0 nd6 144 24 0 10 1 0 1 1 0 8 0 pkpcb 40 13 0 13 2 1 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1192 33 0 33 1 0 1 1 0 8 1 pppxif 1504 5 0 5 2 2 0 1 0 8 0 pfstscr 40 1 0 1 1 1 0 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 1 0 1 1 1 0 1 0 8 0 pfanchor 1288 5 0 5 1 1 0 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 22 0 13 1 0 1 1 0 8 0 pfstkey 128 24 0 15 1 0 1 1 0 8 0 pfstate 384 22 0 14 3 0 3 3 0 8 0 pfrule 1344 25 0 20 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 679 0 367 31 3 28 31 0 8 2 art_table 40 682 0 367 5 0 5 5 0 8 0 art_node 32 140 0 84 1 0 1 1 0 8 0 sysvmsgpl 40 43 0 3 1 0 1 1 0 8 0 semapl 112 29 0 9 1 0 1 1 0 8 0 shmpl 112 82 0 1 3 0 3 3 0 8 0 dirhash 1024 31 0 14 3 0 3 3 0 8 0 dino2pl 256 3315 0 1802 96 0 96 96 0 8 0 ffsino 296 3315 0 1802 117 0 117 117 0 8 0 nchpl 144 4757 0 4213 64 32 32 64 0 8 7 rtmask 32 8 0 8 1 0 1 1 0 8 1 uvmvnodes 80 4043 0 0 83 0 83 83 0 8 0 vnodes 216 4043 0 0 225 0 225 225 0 8 0 namei 1024 15869 0 15869 3 1 2 2 0 8 2 percpumem 16 91 0 45 1 0 1 1 0 8 0 kstatmem 264 80 0 60 3 1 2 3 0 8 0 acpiwqpl 32 2 0 2 1 0 1 1 1 8 1 scsiplug 72 3 0 3 1 1 0 1 0 8 0 scxspl 216 32206 0 32205 12 10 2 8 1 8 1 plimitpl 152 275 0 256 1 0 1 1 0 8 0 sigapl 424 1324 0 1268 7 0 7 7 0 8 0 knotepl 120 575 0 0 17 0 17 17 0 8 0 kqueuepl 224 437 0 425 8 5 3 5 0 8 2 pipepl 344 258 0 230 9 0 9 9 0 8 6 fdescpl 528 1300 0 1268 3 0 3 3 0 8 0 filepl 160 8118 0 7893 21 5 16 16 0 8 5 lockfpl 104 507 0 504 1 0 1 1 0 8 0 lockfspl 48 168 0 165 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 45 0 28 1 0 1 1 0 8 0 ucredpl 104 1277 0 1264 1 0 1 1 0 8 0 zombiepl 144 1270 0 1268 1 0 1 1 0 8 0 processpl 1248 1324 0 1268 5 0 5 5 0 8 0 procpl 656 2841 0 2772 7 0 7 7 0 8 1 sosppl 168 4 0 4 3 2 1 1 0 8 1 sockpl 752 1949 0 1919 13 3 10 10 0 8 6 mcl64k 65536 3 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 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 120 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 70 0 0 9 0 9 9 0 8 0 mtagpl 96 87 0 0 3 0 3 3 0 8 0 mbufpl 256 1241 0 0 78 0 78 78 0 8 0 bufpl 280 14340 0 8197 439 0 439 439 0 8 0 anonpl 32 10240 0 0 83 0 83 83 0 246 0 amapchunkpl 152 36426 0 35802 37 11 26 31 0 158 2 amappl16 200 5018 0 4734 43 25 18 24 0 8 3 amappl15 192 35 0 34 1 0 1 1 0 8 0 amappl14 184 115 0 103 1 0 1 1 0 8 0 amappl13 176 10 0 10 1 1 0 1 0 8 0 amappl12 168 1972 0 1940 3 1 2 2 0 8 0 amappl11 160 53 0 39 1 0 1 1 0 8 0 amappl10 152 9 0 9 1 1 0 1 0 8 0 amappl9 144 248 0 248 1 1 0 1 0 8 0 amappl8 136 25 0 23 1 0 1 1 0 8 0 amappl7 128 124 0 110 1 0 1 1 0 8 0 amappl6 120 188 0 184 1 0 1 1 0 8 0 amappl5 112 164 0 154 1 0 1 1 0 8 0 amappl4 104 306 0 285 1 0 1 1 0 8 0 amappl3 96 7339 0 7212 5 1 4 4 0 8 0 amappl2 88 655 0 593 2 0 2 2 0 8 0 amappl1 80 11747 0 11140 14 1 13 14 0 8 0 amappl 88 10323 0 10138 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 7 0 7 2 2 0 1 0 8 0 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 7 0 7 1 1 0 1 0 8 0 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 84 0 1 2 0 2 2 0 8 0 uaddrrnd 24 1300 0 1268 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1300 0 1268 1 0 1 1 0 8 0 vmmpekpl 168 11665 0 11625 3 0 3 3 0 8 0 vmmpepl 168 87152 0 84804 114 6 108 108 0 357 3 vmsppl 488 1299 0 1268 6 1 5 5 0 8 0 rwobjpl 80 29010 0 23670 110 1 109 109 0 8 0 pdppl 4096 2607 0 2536 107 36 71 83 0 8 0 pvpl 32 16704 0 0 135 0 135 135 0 265 0 pmappl 256 1299 0 1268 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 366 0 48 10 0 10 10 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace dt_ioctl_record_stop(ffff80000147d000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(11e5f,81,2000,ffff800038c16028) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff800038c16028) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c4733b0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8079f63018,81,fffffd80097fb068,ffff800038c16028) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806383f7f0,ffff800038c16028) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806383f7f0,ffff800038c16028) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806383f7f0,ffff800038c16028) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd806383f7f0,ffff800038c16028) at closef+0x192 sys/kern/kern_descrip.c:1251 syscall(ffff80003c473610) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c473610) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfbc99bd3f50, count: -9 ddb{0}> machine ddbcpu 1