uvm_fault(0xfffffd806b7d1b60, 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 498001 79651 0 0x2 0x1 1 syz-executor dt_ioctl_record_stop(ffff800001487000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(11e5f,1,2000,ffff80002a2f4f80) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80002a2f4f80) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c43b080) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd80623c8520,1,fffffd80097fb2d8,ffff80002a2f4f80) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b40eec0,ffff80002a2f4f80) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b40eec0,ffff80002a2f4f80) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b40eec0,ffff80002a2f4f80) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd806b40eec0,ffff80002a2f4f80) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80002a2f4f80) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80002a2f4f80,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80002a2f4f80,ffff80003c43b3f0,ffff80003c43b340) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c43b3f0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c43b3f0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6fc5b2770de0, 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(0xfffffd806b7d1b60, 0x0, 0, 1) -> e ddb{0}> trace dt_ioctl_record_stop(ffff800001487000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(11e5f,1,2000,ffff80002a2f4f80) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80002a2f4f80) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c43b080) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd80623c8520,1,fffffd80097fb2d8,ffff80002a2f4f80) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b40eec0,ffff80002a2f4f80) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b40eec0,ffff80002a2f4f80) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b40eec0,ffff80002a2f4f80) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd806b40eec0,ffff80002a2f4f80) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80002a2f4f80) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80002a2f4f80,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80002a2f4f80,ffff80003c43b3f0,ffff80003c43b340) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c43b3f0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c43b3f0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6fc5b2770de0, count: -12 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80003c43afb0 rbx 0xffffffff8175f690 dtclose rdx 0 rcx 0xffff80002a2f4f80 rax 0xffffffff837feff0 cpu_info_full_primary+0x1ff0 r8 0x2 r9 0 r10 0xb4fa3e816f3f999e r11 0x521d70114c718456 r12 0 r13 0 r14 0 r15 0xffff8000014fa100 rip 0xffffffff8175fa70 dt_ioctl_record_stop+0xf0 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c43af80 ss 0x10 dt_ioctl_record_stop+0xf0: movq 0(%r14),%r12 ddb{0}> show proc PROC (syz-executor) tid=259501 pid=68305 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=80, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a2f4f80 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002a2f42b0,0xffff8000390194b8 process=0xffff800039017090 user=0xffff80003c436000, vmspace=0xfffffd806b7d1b60 estcpu=30, cpticks=0, pctcpu=0.4, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 76904 123548 29358 0 2 0 syz-executor 8727 216888 31625 0 2 0 syz-executor 8727 252151 31625 0 3 0x4000080 fsleep syz-executor 8727 368183 31625 0 2 0x4000000 syz-executor 8727 167317 31625 0 2 0x4000000 syz-executor 30509 424245 15117 0 2 0 syz-executor 30509 156979 15117 0 2 0x4000000 syz-executor 99817 215435 93066 0 3 0x3000 suspend syz-executor 99817 474797 93066 0 2 0x4081000 syz-executor 55174 44349 52929 0 2 0 syz-executor 55174 194767 52929 0 2 0x4000000 syz-executor 55174 85091 52929 0 3 0x4000080 fsleep syz-executor 29385 342400 62857 0 4 0x82000 syz-executor 29385 137368 62857 0 4 0x4082000 syz-executor 29385 315774 62857 0 2 0x4082000 syz-executor 29385 137200 62857 0 3 0x4082000 inode syz-executor 29385 5086 62857 0 3 0x4082000 inode syz-executor 29385 248509 62857 0 4 0x4082000 syz-executor 29385 79336 62857 0 3 0x4002000 suspend syz-executor 57859 284758 0 0 3 0x14200 bored sosplice 78459 437399 0 0 3 0x14280 nfsidl nfsio 61693 252963 0 0 3 0x14280 nfsidl nfsio 23602 419898 0 0 3 0x14280 nfsidl nfsio 52780 12144 0 0 3 0x14280 nfsidl nfsio 74288 421526 0 0 3 0x14280 nfsidl nfsio 11732 81550 0 0 3 0x14280 nfsidl nfsio 93107 257801 0 0 3 0x14280 nfsidl nfsio 96294 273927 0 0 3 0x14280 nfsidl nfsio 41463 38266 0 0 3 0x14280 nfsidl nfsio 68706 502947 0 0 3 0x14280 nfsidl nfsio 95206 21763 0 0 3 0x14280 nfsidl nfsio 38227 432411 0 0 3 0x14280 nfsidl nfsio 52575 481089 0 0 3 0x14280 nfsidl nfsio 9850 364604 0 0 3 0x14280 nfsidl nfsio 20342 246370 0 0 3 0x14280 nfsidl nfsio 81256 489268 0 0 3 0x14280 nfsidl nfsio 96932 168168 0 0 3 0x14280 nfsidl nfsio 16888 220945 0 0 3 0x14280 nfsidl nfsio 84462 471337 0 0 3 0x14280 nfsidl nfsio 57657 170273 0 0 3 0x14280 nfsidl nfsio 93066 199492 79651 0 3 0x82 nanoslp syz-executor 62857 127235 79651 0 3 0x82 wait syz-executor 72373 171306 79651 0 3 0x82 nanoslp syz-executor 29358 184173 79651 0 2 0xc82 syz-executor 15117 95689 79651 0 3 0x82 nanoslp syz-executor 34273 482957 79651 0 2 0x2 syz-executor 31625 501483 79651 0 3 0x82 nanoslp syz-executor 52929 247205 79651 0 3 0x82 nanoslp syz-executor 79651 498001 97598 0 7 0x3 syz-executor 97598 217029 44585 0 3 0x10008a sigsusp ksh 44585 150472 78790 0 3 0x98 kqread sshd-session 78790 58094 56031 0 3 0x92 kqread sshd-session 71550 184078 1 0 3 0x100083 ttyopn getty 56031 318014 1 0 3 0x88 kqread sshd 13928 333789 8306 74 3 0x1100092 bpf pflogd 8306 153955 1 0 3 0x80 sbwait pflogd 51566 311474 90742 73 3 0x1100090 kqread syslogd 90742 449809 1 0 3 0x100082 sbwait syslogd 7581 158926 1 0 3 0x100080 kqread resolvd 20035 436033 28997 77 3 0x100092 kqread dhcpleased 57938 149755 28997 77 3 0x100092 kqread dhcpleased 28997 240255 1 0 3 0x80 kqread dhcpleased 67085 254561 0 0 3 0x14200 bored smr 56005 423984 0 0 3 0x14200 pgzero zerothread 48061 463961 0 0 3 0x14200 aiodoned aiodoned 80821 518394 0 0 3 0x14200 syncer update 99839 463443 0 0 3 0x14200 cleaner cleaner 78142 127320 0 0 3 0x14200 reaper reaper 11663 157948 0 0 3 0x14200 pgdaemon pagedaemon 19581 315668 0 0 3 0x14200 bored viomb 20909 149266 0 0 3 0x40014200 acpi0 acpi0 22792 83152 0 0 3 0x40014200 idle1 30329 266593 0 0 3 0x14200 bored softnet7 25848 40794 0 0 3 0x14200 bored softnet6 50861 392534 0 0 3 0x14200 bored softnet5 94193 435789 0 0 3 0x14200 bored softnet4 87469 331971 0 0 3 0x14200 bored softnet3 41291 239921 0 0 3 0x14200 bored softnet2 65052 33116 0 0 3 0x14200 bored softnet1 16215 182632 0 0 2 0x14200 softnet0 34444 440479 0 0 3 0x14200 bored systqmp 45372 149714 0 0 3 0x14200 bored systq 36197 81115 0 0 3 0x14200 tmoslp softclockmp 14845 468678 0 0 2 0x40014200 softclock 87727 13807 0 0 3 0x40014200 idle0 1 131910 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 55174 (syz-executor) thread 0xffff800039019218 (194767) exclusive rrwlock inode r = 0 (0xfffffd806fc13520) #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+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #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 29385 (syz-executor) thread 0xffff80002a2f54a0 (315774) exclusive rrwlock inode r = 0 (0xfffffd8068cecf40) #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+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #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 29385 (syz-executor) thread 0xffff800039019c58 (137200) exclusive rrwlock inode r = 0 (0xfffffd8068cece20) #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+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 vn_open+0x13f sys/kern/vfs_vnops.c:140 #8 sys_acct+0xb9 sys/kern/kern_acct.c:121 #9 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 #10 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10241 11316K 11538K 166960K 12252 0 pcb 18 12K 12K 166960K 102 0 rtable 210 8K 10K 166960K 351 0 pf 37 18K 22K 166960K 89 0 ifaddr 40 6K 7K 166960K 66 0 ifgroup 59 2K 2K 166960K 107 0 sysctl 4 1K 9K 166960K 8 0 counters 70 37K 37K 166960K 108 0 ioctlops 0 0K 4K 166960K 1549 0 iov 0 0K 20K 166960K 31 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1398 88K 88K 166960K 1847 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 8 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 22 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 236K 166960K 630 0 sigio 0 0K 0K 166960K 9 0 proc 72 91K 127K 166960K 587 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 73 0 in_multi 87 6K 7K 166960K 113 0 ether_multi 1 0K 0K 166960K 4 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 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 409 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 242 159K 178K 166960K 7324 0 UVM aobj 21 2K 2K 166960K 21 0 pinsyscall 42 84K 100K 166960K 1706 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 31 0 NDP 13 0K 2K 166960K 42 0 temp 49 8673K 8784K 166960K 26045 0 kqueue 13 20K 34K 166960K 127 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 70 0 67 1 0 1 1 0 8 0 rtentry 176 111 0 25 5 0 5 5 0 8 0 unpcb 144 430 0 410 4 3 1 4 0 8 0 syncache 336 5 0 5 1 1 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 162 0 157 4 3 1 4 0 8 0 arp 128 12 0 4 1 0 1 1 0 8 0 inpcb 328 553 0 542 7 2 5 7 0 8 3 nd6 144 17 0 2 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 1 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 13 0 13 1 0 1 1 0 8 1 pppxif 1504 5 0 5 2 1 1 1 0 8 1 pfstscr 40 2 0 2 1 1 0 1 0 8 0 pffrag 232 3 0 1 1 0 1 1 0 482 0 pffrnode 88 3 0 1 1 0 1 1 0 8 0 pffrent 40 5 0 3 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 4 0 4 2 1 1 1 0 8 1 pfanchor 1288 1 0 1 1 0 1 1 0 8 1 pfstitem 24 51 0 10 1 0 1 1 0 8 0 pfstkey 128 53 0 12 2 0 2 2 0 8 0 pfstate 384 52 0 11 5 0 5 5 0 8 0 pfrule 1344 25 0 20 2 1 1 2 0 8 0 art_heap8 4096 3 0 1 2 0 2 2 0 8 0 art_heap4 256 482 0 86 29 1 28 29 0 8 1 art_table 40 485 0 87 5 0 5 5 0 8 0 art_node 32 111 0 36 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 5 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 20 0 10 1 0 1 1 0 8 0 shmpl 112 18 0 0 1 0 1 1 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 2481 0 976 95 0 95 95 0 8 0 ffsino 288 2481 0 976 109 0 109 109 0 8 0 nchpl 144 3338 0 1643 64 0 64 64 0 8 0 rtmask 32 1 0 1 1 0 1 1 0 8 1 uvmvnodes 80 2860 0 0 59 0 59 59 0 8 0 vnodes 216 2860 0 0 159 0 159 159 0 8 0 namei 1024 10613 0 10612 2 1 1 2 0 8 0 percpumem 16 69 0 19 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 1 1 0 1 1 0 8 1 kstatmem 264 56 0 26 4 1 3 3 0 8 1 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 3 0 3 1 0 1 1 0 8 1 scxspl 216 24072 0 24072 10 2 8 8 1 8 8 plimitpl 152 88 0 68 1 0 1 1 0 8 0 sigapl 424 939 0 865 9 0 9 9 0 8 0 knotepl 120 575 0 0 18 0 18 18 0 8 0 kqueuepl 224 249 0 239 5 2 3 5 0 8 2 pipepl 336 139 0 111 3 0 3 3 0 8 0 fdescpl 520 895 0 864 3 0 3 3 0 8 0 filepl 160 4598 0 4366 16 1 15 15 0 8 5 lockfpl 104 245 0 239 1 0 1 1 0 8 0 lockfspl 48 114 0 108 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 37 0 20 1 0 1 1 0 8 0 ucredpl 104 524 0 511 1 0 1 1 0 8 0 zombiepl 144 867 0 865 1 0 1 1 0 8 0 processpl 1240 939 0 865 6 0 6 6 0 8 0 procpl 656 1760 0 1673 10 1 9 9 0 8 0 sosppl 168 7 0 7 1 0 1 1 0 8 1 sockpl 728 1070 0 1036 10 2 8 10 0 8 4 mcl64k 65536 4 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 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 122 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 35 0 0 5 0 5 5 0 8 0 mtagpl 96 16 0 0 1 0 1 1 0 8 0 mbufpl 256 1142 0 0 72 0 72 72 0 8 0 bufpl 280 10364 0 4222 439 0 439 439 0 8 0 anonpl 32 9690 0 0 79 0 79 79 0 246 0 amapchunkpl 152 23835 0 23343 33 5 28 30 0 158 7 amappl16 200 2972 0 2745 16 1 15 16 0 8 3 amappl15 192 3 0 3 1 1 0 1 0 8 0 amappl14 184 114 0 102 1 0 1 1 0 8 0 amappl13 176 4 0 4 2 2 0 1 0 8 0 amappl12 168 1544 0 1513 3 1 2 2 0 8 0 amappl11 160 67 0 53 1 0 1 1 0 8 0 amappl10 152 5 0 5 2 2 0 1 0 8 0 amappl9 144 261 0 260 2 1 1 1 0 8 0 amappl8 136 20 0 18 1 0 1 1 0 8 0 amappl7 128 106 0 94 1 0 1 1 0 8 0 amappl6 120 190 0 187 1 0 1 1 0 8 0 amappl5 112 122 0 112 1 0 1 1 0 8 0 amappl4 104 309 0 287 1 0 1 1 0 8 0 amappl3 96 4513 0 4398 5 1 4 4 0 8 0 amappl2 88 658 0 595 2 0 2 2 0 8 0 amappl1 80 10317 0 9722 15 0 15 15 0 8 0 amappl 88 6546 0 6378 5 0 5 5 0 92 0 dma4096 4096 2 0 2 2 2 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 3 2 1 1 0 8 1 dma64 64 7 0 7 2 1 1 1 0 8 1 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 0 1 0 1 1 0 8 0 uaddrrnd 24 895 0 864 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 895 0 864 1 0 1 1 0 8 0 vmmpekpl 168 8643 0 8607 2 0 2 2 0 8 0 vmmpepl 168 61850 0 59657 106 6 100 106 0 357 1 vmsppl 480 894 0 864 5 1 4 5 0 8 0 rwobjpl 72 21402 0 17378 74 0 74 74 0 8 0 pdppl 4096 1798 0 1728 104 32 72 84 0 8 2 pvpl 32 17355 0 0 140 0 140 140 0 265 0 pmappl 256 894 0 864 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 455 0 41 13 0 13 13 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace dt_ioctl_record_stop(ffff800001487000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(11e5f,1,2000,ffff80002a2f4f80) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80002a2f4f80) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c43b080) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd80623c8520,1,fffffd80097fb2d8,ffff80002a2f4f80) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b40eec0,ffff80002a2f4f80) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b40eec0,ffff80002a2f4f80) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b40eec0,ffff80002a2f4f80) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd806b40eec0,ffff80002a2f4f80) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80002a2f4f80) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80002a2f4f80,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80002a2f4f80,ffff80003c43b3f0,ffff80003c43b340) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c43b3f0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c43b3f0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6fc5b2770de0, count: -12 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299ddff0) 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(ffffffff839a4d20) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839a4d20) at __mp_lock+0x192 sys/kern/kern_lock.c:165 ktrstruct(ffff80002a2c6ce8,ffffffff8336808f,ffff80002a2b3a28,10) at ktrstruct+0xdf sys/kern/kern_ktrace.c:313 sys_pselect(ffff80002a2c6ce8,ffff80002a2b3b70,ffff80002a2b3ac0) at sys_pselect+0x129 sys/kern/sys_generic.c:577 syscall(ffff80002a2b3b70) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2b3b70) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6fa7cae4ce00, count: 7 ddb{1}> trace x86_ipi_db(ffff8000299ddff0) 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(ffffffff839a4d20) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839a4d20) at __mp_lock+0x192 sys/kern/kern_lock.c:165 ktrstruct(ffff80002a2c6ce8,ffffffff8336808f,ffff80002a2b3a28,10) at ktrstruct+0xdf sys/kern/kern_ktrace.c:313 sys_pselect(ffff80002a2c6ce8,ffff80002a2b3b70,ffff80002a2b3ac0) at sys_pselect+0x129 sys/kern/sys_generic.c:577 syscall(ffff80002a2b3b70) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2b3b70) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6fa7cae4ce00, count: -8