uvm_fault(0xfffffd800b0631e8, 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 403043 16007 0 0x14000 0x200 0 reaper dt_ioctl_record_stop(ffff80000167c000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff8000fffe82b8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000fffe82b8) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff800035fa7cc0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd80737fabe8,81,fffffd80097fd680,ffff8000fffe82b8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805ee29580,ffff8000fffe82b8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805ee29580,ffff8000fffe82b8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805ee29580,ffff8000fffe82b8) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd805ee29580,ffff8000fffe82b8) at closef+0x192 sys/kern/kern_descrip.c:1265 fdfree(ffff8000fffe82b8) at fdfree+0x116 sys/kern/kern_descrip.c:1196 exit1(ffff8000fffe82b8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffe82b8,ffff800035fa8030,ffff800035fa7f80) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800035fa8030) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800035fa8030) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x79aecd235160, 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(0xfffffd800b0631e8, 0x0, 0, 1) -> e ddb{1}> trace dt_ioctl_record_stop(ffff80000167c000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff8000fffe82b8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000fffe82b8) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff800035fa7cc0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd80737fabe8,81,fffffd80097fd680,ffff8000fffe82b8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805ee29580,ffff8000fffe82b8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805ee29580,ffff8000fffe82b8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805ee29580,ffff8000fffe82b8) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd805ee29580,ffff8000fffe82b8) at closef+0x192 sys/kern/kern_descrip.c:1265 fdfree(ffff8000fffe82b8) at fdfree+0x116 sys/kern/kern_descrip.c:1196 exit1(ffff8000fffe82b8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffe82b8,ffff800035fa8030,ffff800035fa7f80) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800035fa8030) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800035fa8030) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x79aecd235160, count: -12 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff800035fa7bf0 rbx 0x1 rdx 0 rcx 0xffff8000fffe82b8 rax 0xffffffff83900020 dt_prov_static r8 0x90 r9 0x1 r10 0x44ebdf7e707eca2 r11 0x15325e2c97ef91ae r12 0 r13 0 r14 0 r15 0xffff800001639300 rip 0xffffffff83217b98 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff800035fa7bc0 ss 0x10 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb{1}> show proc PROC (syz-executor) tid=370888 pid=43525 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000fffe82b8 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002a2302b0,0xffff8000fffe8fc0 process=0xffff8000387b2b70 user=0xffff800035fa3000, vmspace=0xfffffd800b0631e8 estcpu=36, cpticks=3, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 96223 190130 81096 0 2 0 syz-executor 1070 522218 16419 0 2 0 syz-executor 1070 54744 16419 0 3 0x4000080 sbwait syz-executor 24195 242188 68099 -1 3 0x90 nanoslp syz-executor 24195 314645 68099 -1 3 0x4000090 fifor syz-executor 24195 183446 68099 -1 3 0x4000090 fsleep syz-executor 38087 501344 68852 0 3 0x2 biowait syz-executor 73358 191098 21710 0 3 0x3000 suspend syz-executor 73358 212033 21710 0 3 0x4081000 biowait syz-executor 36212 197808 68852 0 3 0x82 wait syz-executor 7010 66368 68852 0 3 0x82 nanoslp syz-executor 68099 315753 68852 0 3 0x82 nanoslp syz-executor 81096 121552 68852 0 2 0x2 syz-executor 51170 256786 68852 0 3 0x82 nanoslp syz-executor 21710 131396 68852 0 3 0x82 nanoslp syz-executor 16419 280131 68852 0 3 0x82 nanoslp syz-executor 68852 424100 59677 0 2 0x2 syz-executor 59677 381260 71461 0 3 0x10008a sigsusp ksh 71461 301729 64347 0 3 0x98 kqread sshd-session 64347 145056 83985 0 3 0x92 kqread sshd-session 23214 52232 1 0 3 0x100083 ttyin getty 83985 331885 1 0 3 0x88 kqread sshd 26318 415743 66929 74 3 0x1100092 bpf pflogd 66929 165910 1 0 3 0x80 sbwait pflogd 65904 443932 92043 73 3 0x1100090 kqread syslogd 92043 447306 1 0 3 0x100082 sbwait syslogd 42908 395536 1 0 3 0x100080 kqread resolvd 47702 283231 75380 77 3 0x100092 kqread dhcpleased 82446 342890 75380 77 3 0x100092 kqread dhcpleased 75380 358157 1 0 3 0x80 kqread dhcpleased 52787 445665 0 0 3 0x14200 bored smr 16127 38327 0 0 2 0x14200 zerothread 81048 142006 0 0 3 0x14200 aiodoned aiodoned 98875 219072 0 0 3 0x14200 syncer update 26898 289838 0 0 3 0x14200 cleaner cleaner 16007 403043 0 0 7 0x14200 reaper 57697 441671 0 0 3 0x14200 pgdaemon pagedaemon 51965 200977 0 0 3 0x14200 bored viomb 86888 436687 0 0 3 0x40014200 acpi0 acpi0 28649 402497 0 0 3 0x40014200 idle1 50547 189448 0 0 3 0x14200 bored softnet1 26588 350846 0 0 3 0x14200 bored softnet0 29721 325242 0 0 3 0x14200 bored systqmp 44232 376069 0 0 3 0x14200 bored systq 48001 406820 0 0 3 0x14200 tmoslp softclockmp 75321 187976 0 0 3 0x40014200 tmoslp softclock 69376 141230 0 0 3 0x40014200 idle0 1 248908 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &sched_lock r = 0 (0xffffffff83992138) #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 preempt+0x35 sys/kern/sched_bsd.c:338 #3 ast+0x15c mi_ast sys/sys/syscall_mi.h:252 [inline] #3 ast+0x15c sys/arch/amd64/amd64/trap.c:747 #4 intr_user_exit+0x3c Process 38087 (syz-executor) thread 0xffff8000fffe8d18 (501344) exclusive rrwlock inode r = 0 (0xfffffd806f0b2dc8) #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+0x98a sys/kern/vfs_lookup.c:567 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c8561e8) #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:1887 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 Process 73358 (syz-executor) thread 0xffff80002a230a78 (212033) exclusive rrwlock inode r = 0 (0xfffffd806910f440) #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 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x2bd sys/kern/sys_generic.c:384 #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:783 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11091 12155K 13922K 166960K 12901 0 pcb 18 15K 16K 166960K 146 0 rtable 221 9K 9K 166960K 602 0 pf 36 17K 82K 166960K 116 0 ifaddr 43 7K 7K 166960K 93 0 ifgroup 59 2K 2K 166960K 141 0 sysctl 4 1K 9K 166960K 19 0 counters 72 37K 38K 166960K 178 0 ioctlops 0 0K 4K 166960K 1679 0 iov 1 8K 24K 166960K 24 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1355 85K 86K 166960K 1851 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 7 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 35 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 93K 166960K 631 0 sigio 0 0K 0K 166960K 10 0 proc 72 115K 196K 166960K 667 0 subproc 72 4K 4K 166960K 99 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 193 0 in_multi 94 6K 7K 166960K 164 0 ether_multi 1 0K 0K 166960K 7 0 mrt 1 0K 0K 166960K 15 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 127 572K 572K 166960K 127 0 exec 0 0K 1K 166960K 497 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 234 159K 177K 166960K 7539 0 UVM aobj 12 4K 4K 166960K 14 0 pinsyscall 42 84K 104K 166960K 1876 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 44 0 NDP 15 0K 2K 166960K 64 0 temp 74 9084K 9151K 166960K 33774 0 kqueue 13 20K 28K 166960K 111 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 120 103 0 100 2 1 1 2 0 8 0 rtentry 176 158 0 68 6 0 6 6 0 8 0 unpcb 144 515 0 493 8 2 6 6 0 8 5 syncache 336 8 0 8 1 0 1 1 0 8 1 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 137 0 132 1 0 1 1 0 8 0 arp 136 26 0 10 1 0 1 1 0 8 0 inpcb 328 762 0 751 13 6 7 13 0 8 6 nd6 152 34 0 13 1 0 1 1 0 8 0 pkpcb 40 3 0 3 1 0 1 1 0 8 1 kcovpl 48 11 0 3 1 0 1 1 0 8 0 ppxss 1192 44 0 44 1 0 1 1 0 8 1 pffrag 232 5 0 0 1 0 1 1 0 482 0 pffrnode 88 5 0 0 1 0 1 1 0 8 0 pffrent 40 5 0 0 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 46 0 3 1 0 1 1 0 8 0 pfstkey 128 46 0 3 2 0 2 2 0 8 0 pfstate 448 46 0 3 5 0 5 5 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 687 0 277 29 3 26 29 0 8 0 art_table 40 689 0 277 5 0 5 5 0 8 0 art_node 32 157 0 76 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 1 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 32 0 22 1 0 1 1 0 8 0 shmpl 112 11 0 2 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2568 0 1099 93 0 93 93 0 8 0 ffsino 296 2568 0 1099 114 0 114 114 0 8 0 nchpl 144 3401 0 1685 64 0 64 64 0 8 0 rtmask 32 10 0 10 1 0 1 1 0 8 1 vnodes 216 2887 0 0 161 0 161 161 0 8 0 namei 1024 11624 0 11624 2 0 2 2 0 8 2 percpumem 16 104 0 53 1 0 1 1 0 8 0 kstatmem 264 88 0 58 3 0 3 3 0 8 0 scsiplug 72 4 0 4 1 0 1 1 0 8 1 scxspl 216 15882 0 15880 10 3 7 7 1 8 6 plimitpl 152 197 0 178 1 0 1 1 0 8 0 sigapl 424 944 0 897 7 1 6 7 0 8 0 knotepl 120 513 0 0 16 0 16 16 0 8 0 kqueuepl 224 214 0 205 4 2 2 4 0 8 1 pipepl 344 172 0 145 3 0 3 3 0 8 0 fdescpl 528 927 0 896 3 0 3 3 0 8 0 filepl 160 5269 0 5043 18 3 15 16 0 8 3 lockfpl 104 175 0 171 1 0 1 1 0 8 0 lockfspl 48 81 0 78 1 0 1 1 0 8 0 sessionpl 144 28 0 19 1 0 1 1 0 8 0 pgrppl 48 112 0 95 1 0 1 1 0 8 0 ucredpl 104 709 0 694 1 0 1 1 0 8 0 zombiepl 144 901 0 897 1 0 1 1 0 8 0 processpl 1232 944 0 897 5 0 5 5 0 8 0 procpl 664 1712 0 1661 6 0 6 6 0 8 0 sosppl 176 3 0 3 1 1 0 1 0 8 0 sockpl 752 1399 0 1363 23 11 12 17 0 8 8 mcl64k 65536 8 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 122 0 0 16 0 16 16 0 8 0 mcl2k 2048 26 0 0 4 0 4 4 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 200 0 0 12 0 12 12 0 8 0 bufpl 280 5905 0 108 415 0 415 415 0 8 0 anonpl 32 11678 0 0 96 1 95 95 0 246 0 amapchunkpl 152 23409 0 22932 29 1 28 28 0 158 5 amappl16 200 3706 0 3490 32 13 19 27 0 8 7 amappl15 192 71 0 71 1 1 0 1 0 8 0 amappl14 184 469 0 468 1 0 1 1 0 8 0 amappl13 176 156 0 143 1 0 1 1 0 8 0 amappl12 168 1189 0 1159 2 0 2 2 0 8 0 amappl11 160 14 0 14 1 1 0 1 0 8 0 amappl10 152 67 0 53 1 0 1 1 0 8 0 amappl9 144 265 0 265 1 1 0 1 0 8 0 amappl8 136 122 0 119 1 0 1 1 0 8 0 amappl7 128 179 0 166 1 0 1 1 0 8 0 amappl6 120 191 0 190 1 0 1 1 0 8 0 amappl5 112 103 0 93 1 0 1 1 0 8 0 amappl4 104 324 0 305 1 0 1 1 0 8 0 amappl3 96 4602 0 4495 4 0 4 4 0 8 0 amappl2 88 597 0 537 2 0 2 2 0 8 0 amappl1 80 12968 0 12371 17 1 16 16 0 8 0 amappl 88 6659 0 6498 5 0 5 5 0 92 0 uvmvnodes 80 113 0 0 3 0 3 3 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 6 0 6 1 1 0 1 0 8 0 dma128 128 255 0 255 2 1 1 1 0 8 1 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 18 0 17 1 0 1 1 0 8 0 aobjpl 72 13 0 2 1 0 1 1 0 8 0 uaddrrnd 24 927 0 896 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 927 0 896 1 0 1 1 0 8 0 vmmpekpl 168 9408 0 9368 3 0 3 3 0 8 0 vmmpepl 168 68429 0 66333 113 5 108 108 0 357 7 vmsppl 488 926 0 896 5 0 5 5 0 8 0 rwobjpl 80 22144 0 20909 35 3 32 32 0 8 4 pdppl 4096 1861 0 1792 103 28 75 85 0 8 6 pvpl 32 18147 0 0 148 1 147 147 0 265 0 pmappl 256 926 0 896 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 282 0 34 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8392cff0) 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_release_all(ffffffff83997780) at __mp_release_all+0xd8 sys/kern/kern_lock.c:223 msleep_nsec(ffffffff838bf358,ffffffff838bf320,4,ffffffff8345cd0d,ffffffffffffffff) at msleep_nsec+0x1e1 sys/kern/kern_synch.c:-1 reaper(ffff8000ffffdc90) at reaper+0x15b sys/kern/kern_exit.c:477 end trace frame: 0x0, count: 9 ddb{0}> trace x86_ipi_db(ffffffff8392cff0) 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_release_all(ffffffff83997780) at __mp_release_all+0xd8 sys/kern/kern_lock.c:223 msleep_nsec(ffffffff838bf358,ffffffff838bf320,4,ffffffff8345cd0d,ffffffffffffffff) at msleep_nsec+0x1e1 sys/kern/kern_synch.c:-1 reaper(ffff8000ffffdc90) at reaper+0x15b sys/kern/kern_exit.c:477 end trace frame: 0x0, count: -6 ddb{0}> machine ddbcpu 1 Stopped at dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 dt_ioctl_record_stop(ffff80000167c000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff8000fffe82b8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000fffe82b8) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff800035fa7cc0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd80737fabe8,81,fffffd80097fd680,ffff8000fffe82b8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805ee29580,ffff8000fffe82b8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805ee29580,ffff8000fffe82b8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805ee29580,ffff8000fffe82b8) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd805ee29580,ffff8000fffe82b8) at closef+0x192 sys/kern/kern_descrip.c:1265 fdfree(ffff8000fffe82b8) at fdfree+0x116 sys/kern/kern_descrip.c:1196 exit1(ffff8000fffe82b8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffe82b8,ffff800035fa8030,ffff800035fa7f80) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800035fa8030) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800035fa8030) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x79aecd235160, count: 3 ddb{1}> trace dt_ioctl_record_stop(ffff80000167c000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff8000fffe82b8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000fffe82b8) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff800035fa7cc0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd80737fabe8,81,fffffd80097fd680,ffff8000fffe82b8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805ee29580,ffff8000fffe82b8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805ee29580,ffff8000fffe82b8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805ee29580,ffff8000fffe82b8) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd805ee29580,ffff8000fffe82b8) at closef+0x192 sys/kern/kern_descrip.c:1265 fdfree(ffff8000fffe82b8) at fdfree+0x116 sys/kern/kern_descrip.c:1196 exit1(ffff8000fffe82b8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffe82b8,ffff800035fa8030,ffff800035fa7f80) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800035fa8030) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800035fa8030) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x79aecd235160, count: -12