uvm_fault(0xfffffd800b0277a0, 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 121957 67219 0 0x1000 0x4080000 1 syz-executor dt_ioctl_record_stop(ffff80000147e000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(31e5f,81,2000,ffff80002a31ea90) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(31e5f,81,2000,ffff80002a31ea90) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff800038c39db0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8077c882a8,81,fffffd80097fb478,ffff80002a31ea90) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c232c20,ffff80002a31ea90) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c232c20,ffff80002a31ea90) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c232c20,ffff80002a31ea90) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c232c20,ffff80002a31ea90) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a31ea90) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80002a31ea90,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a31ea90,ffff800038c3a120,ffff800038c3a070) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800038c3a120) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800038c3a120) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x765244668b20, 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(0xfffffd800b0277a0, 0x0, 0, 1) -> e ddb{0}> trace dt_ioctl_record_stop(ffff80000147e000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(31e5f,81,2000,ffff80002a31ea90) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(31e5f,81,2000,ffff80002a31ea90) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff800038c39db0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8077c882a8,81,fffffd80097fb478,ffff80002a31ea90) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c232c20,ffff80002a31ea90) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c232c20,ffff80002a31ea90) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c232c20,ffff80002a31ea90) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c232c20,ffff80002a31ea90) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a31ea90) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80002a31ea90,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a31ea90,ffff800038c3a120,ffff800038c3a070) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800038c3a120) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800038c3a120) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x765244668b20, count: -12 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff800038c39ce0 rbx 0x1 rdx 0 rcx 0xffff80002a31ea90 rax 0xffffffff838286a8 dt_prov_syscall r8 0xffff800038c39e30 r9 0x20 r10 0xfeb0f0cfc810012 r11 0xbcf1347fa1f7c1f9 r12 0 r13 0 r14 0 r15 0xffff8000014db000 rip 0xffffffff822bd948 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff800038c39cb0 ss 0 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb{0}> show proc PROC (syz-executor) tid=75230 pid=71235 tcnt=0 stat=onproc flags process=1018 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a31ea90 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002a2be018,0xffff80002a31f500 process=0xffff8000fffe7510 user=0xffff800038c35000, vmspace=0xfffffd800b0277a0 estcpu=36, cpticks=8, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 55867 197896 24419 0 2 0 syz-executor 1140 96562 32758 0 2 0 syz-executor 498 223076 85783 0 2 0 syz-executor 498 297275 85783 0 3 0x4000080 fsleep syz-executor 77159 31590 3797 0 2 0 syz-executor 77159 147386 3797 0 2 0x4000000 syz-executor 77159 65691 3797 0 3 0x4000080 msgwait syz-executor 77159 481033 3797 0 3 0x4000080 fsleep syz-executor 67861 3057 5655 0 3 0x80 nanoslp syz-executor 67861 205123 5655 0 3 0x4000080 ttyout syz-executor 67861 48994 5655 0 3 0x4000080 fsleep syz-executor 67219 439775 90162 0 3 0x3000 suspend syz-executor 67219 121957 90162 0 7 0x4081000 syz-executor 67219 263451 90162 0 3 0x4081000 inode syz-executor 67219 454351 90162 0 3 0x4081000 inode syz-executor 67219 124299 90162 0 3 0x4081000 inode syz-executor 67219 491915 90162 0 3 0x4081000 inode syz-executor 5655 159614 14671 0 3 0x82 nanoslp syz-executor 11563 271419 14671 0 3 0x82 nanoslp syz-executor 37254 455366 64022 0 3 0x82 sbwait sshd-session 35082 19010 0 0 3 0x14200 bored sosplice 88670 327381 14671 0 2 0x2 syz-executor 32758 391094 14671 0 3 0x82 nanoslp syz-executor 24419 256334 14671 0 3 0x82 nanoslp syz-executor 3797 473392 14671 0 3 0x82 nanoslp syz-executor 85783 499758 14671 0 3 0x82 nanoslp syz-executor 90162 401445 14671 0 3 0x82 nanoslp syz-executor 14671 201606 96273 0 2 0x2 syz-executor 96273 4993 91578 0 3 0x10008a sigsusp ksh 91578 347330 4959 0 3 0x98 kqread sshd-session 4959 493373 64022 0 3 0x92 kqread sshd-session 51968 113766 1 0 3 0x100083 ttyopn getty 64022 448547 1 0 3 0x88 kqread sshd 20294 193309 30110 74 3 0x1100092 bpf pflogd 30110 78153 1 0 3 0x80 sbwait pflogd 59359 45467 36318 73 3 0x1100090 kqread syslogd 36318 459805 1 0 3 0x100082 sbwait syslogd 743 217147 1 0 3 0x100080 kqread resolvd 49001 180013 93674 77 3 0x100092 kqread dhcpleased 37569 447614 93674 77 3 0x100092 kqread dhcpleased 93674 505226 1 0 3 0x80 kqread dhcpleased 68849 497869 0 0 3 0x14200 bored smr 22529 521909 0 0 3 0x14200 pgzero zerothread 86240 217648 0 0 3 0x14200 aiodoned aiodoned 64971 180646 0 0 3 0x14200 syncer update 97330 362369 0 0 3 0x14200 cleaner cleaner 94461 474064 0 0 3 0x14200 reaper reaper 84308 186329 0 0 3 0x14200 pgdaemon pagedaemon 19198 291823 0 0 3 0x14200 bored viomb 84017 77885 0 0 3 0x40014200 acpi0 acpi0 63835 433070 0 0 3 0x40014200 idle1 52185 95199 0 0 3 0x14200 bored softnet1 47247 387360 0 0 3 0x14200 bored softnet0 4057 351110 0 0 3 0x14200 bored systqmp 79400 123040 0 0 3 0x14200 bored systq 96493 371209 0 0 3 0x14200 tmoslp softclockmp 20317 70813 0 0 3 0x40014200 tmoslp softclock 60331 275591 0 0 3 0x40014200 idle0 1 229706 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 77159 (syz-executor) thread 0xffff80002a2be018 (147386) exclusive rrwlock inode r = 0 (0xfffffd806c6b38f0) #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 67219 (syz-executor) thread 0xffff8000fffe34e8 (121957) exclusive rrwlock inode r = 0 (0xfffffd807262e6e0) #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 67219 (syz-executor) thread 0xffff80002a31f788 (263451) exclusive rrwlock inode r = 0 (0xfffffd806e35b790) #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 dofchmodat+0x162 sys/kern/vfs_syscalls.c:2382 #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 88670 (syz-executor) thread 0xffff80002a2bf240 (327381) exclusive rrwlock inode r = 0 (0xfffffd8065fbd6a8) #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:687 #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 (0xfffffd806c6b3450) #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 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:748 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10236 11138K 11178K 166960K 11731 0 pcb 18 12K 18K 166960K 145 0 rtable 261 17K 18K 166960K 519 0 pf 39 18K 67485K 166960K 183 0 ifaddr 45 8K 8K 166960K 86 0 ifgroup 61 2K 2K 166960K 124 0 sysctl 4 1K 9K 166960K 9 0 counters 74 37K 37K 166960K 142 0 ioctlops 0 0K 8K 166960K 1812 0 iov 0 0K 28K 166960K 50 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1401 88K 89K 166960K 2011 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 10 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 32 0 dirhash 12 2K 2K 166960K 30 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 89K 166960K 837 0 sigio 0 0K 0K 166960K 84 0 proc 72 115K 164K 166960K 647 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 96 0 in_multi 99 7K 7K 166960K 161 0 ether_multi 1 0K 0K 166960K 11 0 mrt 0 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 109 493K 493K 166960K 109 0 exec 0 0K 1K 166960K 517 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 276 177K 190K 166960K 9471 0 UVM aobj 17 2K 4K 166960K 21 0 pinsyscall 44 88K 104K 166960K 2038 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 39 0 NDP 14 0K 2K 166960K 56 0 temp 66 8653K 8724K 166960K 29637 0 kqueue 14 22K 30K 166960K 160 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 97 0 94 1 0 1 1 0 8 0 rtentry 176 149 0 42 6 0 6 6 0 8 0 unpcb 144 717 0 694 7 3 4 6 0 8 3 syncache 336 6 0 6 1 1 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 400 0 393 9 2 7 7 0 8 5 arp 136 23 0 4 1 0 1 1 0 8 0 inpcb 328 935 0 922 7 0 7 7 0 8 5 nd6 152 34 0 6 2 0 2 2 0 8 0 pkpcb 40 6 0 6 2 1 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 29 0 27 1 0 1 1 0 8 0 pppxif 1504 5 0 5 1 0 1 1 0 8 1 pffrag 232 6 0 0 1 0 1 1 0 482 0 pffrnode 88 6 0 0 1 0 1 1 0 8 0 pffrent 40 7 0 1 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 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 62 0 14 1 0 1 1 0 8 0 pfstkey 128 62 0 14 2 0 2 2 0 8 0 pfstate 384 62 0 14 5 0 5 5 0 8 0 pfrule 1344 23 0 18 2 1 1 2 0 8 0 art_heap8 4096 3 0 1 3 0 3 3 0 8 1 art_heap4 256 629 0 165 32 3 29 29 0 8 0 art_table 40 632 0 166 5 0 5 5 0 8 0 art_node 32 148 0 51 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 6 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 28 0 18 1 0 1 1 0 8 0 shmpl 112 18 0 4 1 0 1 1 0 8 0 dirhash 1024 30 0 13 3 0 3 3 0 8 0 dino2pl 256 3019 0 1508 96 0 96 96 0 8 0 ffsino 296 3019 0 1508 117 0 117 117 0 8 0 nchpl 144 4165 0 2461 64 0 64 64 0 8 0 rtmask 32 5 0 4 1 0 1 1 0 8 0 vnodes 216 3372 0 0 188 0 188 188 0 8 0 namei 1024 13642 0 13638 3 1 2 2 0 8 0 percpumem 16 86 0 34 1 0 1 1 0 8 0 kstatmem 264 76 0 44 3 0 3 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 2 0 2 2 2 0 1 0 8 0 scxspl 216 25367 0 25367 10 2 8 8 1 8 8 plimitpl 152 136 0 116 1 0 1 1 0 8 0 sigapl 424 1150 0 1101 7 1 6 7 0 8 0 knotepl 120 562 0 0 17 0 17 17 0 8 0 kqueuepl 224 398 0 388 5 0 5 5 0 8 4 pipepl 344 230 0 202 6 0 6 6 0 8 3 fdescpl 528 1131 0 1099 3 0 3 3 0 8 0 filepl 160 6941 0 6709 19 4 15 19 0 8 3 lockfpl 104 170 0 167 1 0 1 1 0 8 0 lockfspl 48 79 0 76 1 0 1 1 0 8 0 sessionpl 144 27 0 17 1 0 1 1 0 8 0 pgrppl 48 46 0 28 1 0 1 1 0 8 0 ucredpl 104 1056 0 1042 1 0 1 1 0 8 0 zombiepl 144 1103 0 1101 1 0 1 1 0 8 0 processpl 1232 1150 0 1101 5 0 5 5 0 8 0 procpl 664 2344 0 2284 7 0 7 7 0 8 0 sosppl 168 6 0 6 1 0 1 1 0 8 1 sockpl 752 1796 0 1757 24 12 12 23 0 8 7 mcl64k 65536 19 0 0 3 0 3 3 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 112 0 0 14 0 14 14 0 8 0 mcl2k 2048 22 0 0 3 0 3 3 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 198 0 0 13 0 13 13 0 8 0 bufpl 280 11253 0 5116 439 0 439 439 0 8 0 anonpl 32 11758 0 0 95 0 95 95 0 246 0 amapchunkpl 152 30777 0 30128 29 0 29 29 0 158 0 amappl16 200 4853 0 4628 31 9 22 22 0 8 0 amappl15 192 20 0 19 1 0 1 1 0 8 0 amappl14 184 6 0 6 1 1 0 1 0 8 0 amappl13 176 451 0 450 1 0 1 1 0 8 0 amappl12 168 1528 0 1484 3 0 3 3 0 8 0 amappl11 160 7 0 7 1 1 0 1 0 8 0 amappl10 152 161 0 147 1 0 1 1 0 8 0 amappl9 144 251 0 250 2 1 1 1 0 8 0 amappl8 136 33 0 29 1 0 1 1 0 8 0 amappl7 128 92 0 91 1 0 1 1 0 8 0 amappl6 120 310 0 296 1 0 1 1 0 8 0 amappl5 112 127 0 115 1 0 1 1 0 8 0 amappl4 104 440 0 410 1 0 1 1 0 8 0 amappl3 96 5327 0 5230 3 0 3 3 0 8 0 amappl2 88 1266 0 1182 2 0 2 2 0 8 0 amappl1 80 13009 0 12329 15 0 15 15 0 8 0 amappl 88 8554 0 8364 5 0 5 5 0 92 0 uvmvnodes 80 3372 0 0 69 0 69 69 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 3 0 3 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 128 253 0 253 1 1 0 1 0 8 0 dma64 64 7 0 7 2 2 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 20 0 4 1 0 1 1 0 8 0 uaddrrnd 24 1131 0 1099 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1131 0 1099 1 0 1 1 0 8 0 vmmpekpl 168 10602 0 10541 3 0 3 3 0 8 0 vmmpepl 168 80278 0 77999 113 1 112 112 0 357 0 vmsppl 488 1130 0 1099 5 0 5 5 0 8 0 rwobjpl 80 27961 0 23316 99 0 99 99 0 8 0 pdppl 4096 2270 0 2198 106 30 76 84 0 8 4 pvpl 32 20601 0 0 166 0 166 166 0 265 0 pmappl 256 1130 0 1099 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 296 0 42 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace dt_ioctl_record_stop(ffff80000147e000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(31e5f,81,2000,ffff80002a31ea90) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(31e5f,81,2000,ffff80002a31ea90) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff800038c39db0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8077c882a8,81,fffffd80097fb478,ffff80002a31ea90) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c232c20,ffff80002a31ea90) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c232c20,ffff80002a31ea90) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c232c20,ffff80002a31ea90) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c232c20,ffff80002a31ea90) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a31ea90) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80002a31ea90,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a31ea90,ffff800038c3a120,ffff800038c3a070) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800038c3a120) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800038c3a120) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x765244668b20, 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(ffffffff839bf018) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839bf018) at __mp_lock+0x192 sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff839bf018,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:367 biowait(fffffd80623fbe68) at biowait+0xc6 sys/kern/vfs_bio.c:1242 bwrite(fffffd80623fbe68) at bwrite+0x2e7 sys/kern/vfs_bio.c:754 ffs2_balloc(fffffd807262e640,c5c000,4000,fffffd80097fb478,2,ffff800038c2e8c8) at ffs2_balloc+0x18b4 sys/ufs/ffs/ffs_balloc.c:701 ffs_write(ffff800038c2e950) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd800d0c5570,ffff800038c2eb08,7,fffffd80097fb478) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffffd8068477808,ffff800038c2eb08,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000fffe34e8,3,ffff800038c2eb08,0,ffff800038c2ebc0) at dofilewritev+0x242 sys/kern/sys_generic.c:380 sys_write(ffff8000fffe34e8,ffff800038c2ec70,ffff800038c2ebc0) at sys_write+0xa2 sys/kern/sys_generic.c:300 end trace frame: 0xffff800038c2ec60, count: 0 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(ffffffff839bf018) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839bf018) at __mp_lock+0x192 sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff839bf018,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:367 biowait(fffffd80623fbe68) at biowait+0xc6 sys/kern/vfs_bio.c:1242 bwrite(fffffd80623fbe68) at bwrite+0x2e7 sys/kern/vfs_bio.c:754 ffs2_balloc(fffffd807262e640,c5c000,4000,fffffd80097fb478,2,ffff800038c2e8c8) at ffs2_balloc+0x18b4 sys/ufs/ffs/ffs_balloc.c:701 ffs_write(ffff800038c2e950) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd800d0c5570,ffff800038c2eb08,7,fffffd80097fb478) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffffd8068477808,ffff800038c2eb08,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000fffe34e8,3,ffff800038c2eb08,0,ffff800038c2ebc0) at dofilewritev+0x242 sys/kern/sys_generic.c:380 sys_write(ffff8000fffe34e8,ffff800038c2ec70,ffff800038c2ebc0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff800038c2ec70) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800038c2ec70) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x69ae347c2e0, count: -16