uvm_fault(0xfffffd800b0271e8, 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 40016 57292 0 0 0 1 syz-executor dt_ioctl_record_stop(ffff800001597000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(21e5f,1,2000,ffff800033009ca8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,1,2000,ffff800033009ca8) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff800038820fe0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd80728876c0,1,fffffd80097fb680,ffff800033009ca8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b98cae8,ffff800033009ca8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b98cae8,ffff800033009ca8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b98cae8,ffff800033009ca8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806b98cae8,ffff800033009ca8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff800033009ca8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff800033009ca8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff800033009ca8,ffff800038821350,ffff8000388212a0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800038821350) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800038821350) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7bc57c185d10, 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(0xfffffd800b0271e8, 0x0, 0, 1) -> e ddb{0}> trace dt_ioctl_record_stop(ffff800001597000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(21e5f,1,2000,ffff800033009ca8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,1,2000,ffff800033009ca8) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff800038820fe0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd80728876c0,1,fffffd80097fb680,ffff800033009ca8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b98cae8,ffff800033009ca8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b98cae8,ffff800033009ca8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b98cae8,ffff800033009ca8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806b98cae8,ffff800033009ca8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff800033009ca8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff800033009ca8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff800033009ca8,ffff800038821350,ffff8000388212a0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800038821350) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800038821350) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7bc57c185d10, count: -12 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff800038820f10 rbx 0x1 rdx 0 rcx 0xffff800033009ca8 rax 0xffffffff83855660 dt_prov_static r8 0 r9 0 r10 0xd40e770a6929bbe r11 0x52c56280601778be r12 0 r13 0 r14 0 r15 0xffff8000014cc000 rip 0xffffffff81afcf38 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff800038820ee0 ss 0x10 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb{0}> show proc PROC (syz-executor) tid=411073 pid=95149 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff800033009ca8 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002a340810,0xffff8000330087f8 process=0xffff8000388261d0 user=0xffff80003881c000, vmspace=0xfffffd800b0271e8 estcpu=36, cpticks=13, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 57292 40016 17272 0 7 0 syz-executor 57292 267564 17272 0 2 0x4000000 syz-executor 89658 427704 38296 0 2 0 syz-executor 89658 71725 38296 0 3 0x4000080 ttyopn syz-executor 89658 58489 38296 0 3 0x4000080 fsleep syz-executor 89658 278926 38296 0 3 0x4000080 fsleep syz-executor 94574 290529 18650 0 2 0 syz-executor 94574 314341 18650 0 2 0x4000000 syz-executor 94574 316886 18650 0 3 0x4000080 fsleep syz-executor 65220 58649 23926 0 3 0x80 nanoslp syz-executor 65220 195907 23926 0 3 0x4000080 fsleep syz-executor 65220 154577 23926 0 3 0x4000080 fsleep syz-executor 65220 106466 23926 0 3 0x4000080 fsleep syz-executor 21311 351765 89700 0 2 0 syz-executor 21311 125287 89700 0 3 0x4000080 bell syz-executor 21311 261610 89700 0 3 0x4000080 fsleep syz-executor 40057 413673 8574 0 3 0x3000 suspend syz-executor 40057 484068 8574 0 2 0x4081000 syz-executor 40057 467553 8574 0 3 0x4081000 inode syz-executor 80431 318482 0 0 3 0x14200 acct acct 23926 376563 15188 0 3 0x82 nanoslp syz-executor 13180 231862 15188 0 2 0x2 syz-executor 8574 23747 15188 0 3 0x82 wait syz-executor 17272 355813 15188 0 3 0x82 nanoslp syz-executor 37030 320569 15188 0 2 0x2 syz-executor 38296 246400 15188 0 3 0x82 nanoslp syz-executor 80085 10784 0 0 3 0x14200 bored sosplice 89700 281101 15188 0 2 0x2 syz-executor 18650 85146 15188 0 3 0x82 nanoslp syz-executor 15188 23914 19487 0 3 0x82 kqread syz-executor 19487 117067 55294 0 3 0x10008a sigsusp ksh 55294 84125 31153 0 3 0x98 kqread sshd-session 31153 457127 61382 0 3 0x92 kqread sshd-session 43242 417304 1 0 3 0x100083 ttyin getty 61382 158487 1 0 3 0x88 kqread sshd 10551 470728 42112 74 3 0x1100092 bpf pflogd 42112 269058 1 0 3 0x80 sbwait pflogd 41090 29868 36876 73 3 0x1100090 kqread syslogd 36876 300269 1 0 3 0x100082 sbwait syslogd 87557 269102 1 0 3 0x100080 kqread resolvd 73364 132618 61879 77 3 0x100092 kqread dhcpleased 19365 329204 61879 77 3 0x100092 kqread dhcpleased 61879 440628 1 0 3 0x80 kqread dhcpleased 68602 266783 0 0 3 0x14200 bored smr 32492 455964 0 0 3 0x14200 pgzero zerothread 99537 16680 0 0 3 0x14200 aiodoned aiodoned 28191 437437 0 0 3 0x14200 syncer update 63394 334206 0 0 3 0x14200 cleaner cleaner 44398 100976 0 0 2 0x14200 reaper 72733 80875 0 0 3 0x14200 pgdaemon pagedaemon 56833 249617 0 0 3 0x14200 bored viomb 77376 224491 0 0 3 0x40014200 acpi0 acpi0 14677 402252 0 0 3 0x40014200 idle1 19149 137000 0 0 3 0x14200 bored softnet7 36653 394032 0 0 3 0x14200 bored softnet6 21301 457961 0 0 3 0x14200 bored softnet5 87067 66573 0 0 3 0x14200 bored softnet4 41657 4353 0 0 3 0x14200 bored softnet3 27702 404057 0 0 3 0x14200 bored softnet2 4306 198887 0 0 3 0x14200 bored softnet1 16959 187954 0 0 3 0x14200 bored softnet0 22674 116572 0 0 3 0x14200 bored systqmp 57371 437861 0 0 3 0x14200 bored systq 84900 120040 0 0 3 0x14200 tmoslp softclockmp 23064 143597 0 0 3 0x40014200 tmoslp softclock 76259 504659 0 0 3 0x40014200 idle0 1 102271 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 57292 (syz-executor) thread 0xffff800038c35500 (267564) exclusive rwlock vmmaplk r = 0 (0xfffffd800b027100) #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 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168 #3 uvm_map_protect+0xe0 sys/uvm/uvm_map.c:3064 #4 sys_mprotect+0x351 sys/uvm/uvm_mmap.c:590 #5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 #6 Xsyscall+0x128 Process 94574 (syz-executor) thread 0xffff80002a3402e0 (314341) exclusive rrwlock inode r = 0 (0xfffffd8072ecbb70) #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:746 #9 Xsyscall+0x128 Process 40057 (syz-executor) thread 0xffff800038c34d38 (484068) exclusive rrwlock inode r = 0 (0xfffffd806e3b16e0) #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:746 #9 Xsyscall+0x128 Process 40057 (syz-executor) thread 0xffff80002a340aa8 (467553) exclusive rrwlock inode r = 0 (0xfffffd806e105ed0) #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 vn_open+0x15a sys/kern/vfs_vnops.c:140 #8 doopenat+0x35b sys/kern/vfs_syscalls.c:1138 #9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 #10 Xsyscall+0x128 Process 44398 (reaper) thread 0xffff8000ffffc008 (100976) exclusive rwlock kmmaplk r = 0 (0xffffffff83981f30) #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 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168 #3 uvm_unmap+0x7d sys/uvm/uvm_map.c:1792 #4 km_free+0x87 sys/uvm/uvm_km.c:831 #5 uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:304 #6 reaper+0x1aa sys/kern/kern_exit.c:493 #7 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10239 11072K 11849K 166960K 13870 0 pcb 17 18K 20K 166960K 1001 0 rtable 188 12K 13K 166960K 944 0 pf 42 19K 67486K 166960K 490 0 ifaddr 34 7K 9K 166960K 281 0 ifgroup 59 2K 3K 166960K 533 0 sysctl 4 1K 9K 166960K 29 0 counters 70 37K 38K 166960K 568 0 ioctlops 0 0K 4K 166960K 2206 0 iov 0 0K 32K 166960K 344 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1552 98K 98K 166960K 4170 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 47 0 VM map 2 1K 1K 166960K 2 0 sem 15 40K 40K 166960K 107 0 dirhash 12 2K 3K 166960K 69 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 354K 166960K 3477 0 sigio 0 0K 0K 166960K 138 0 proc 72 115K 164K 166960K 1103 0 subproc 72 4K 4K 166960K 157 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 542 0 in_multi 58 4K 7K 166960K 364 0 ether_multi 1 0K 0K 166960K 47 0 mrt 2 0K 0K 166960K 22 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 121 546K 546K 166960K 121 0 exec 0 0K 1K 166960K 1195 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 256 152K 173K 166960K 33153 0 UVM aobj 128 11K 11K 166960K 136 0 pinsyscall 43 86K 103K 166960K 4860 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 217 0 NDP 13 0K 2K 166960K 215 0 temp 81 8652K 8908K 166960K 163379 0 kqueue 16 22K 32K 166960K 748 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 120 332 0 328 2 1 1 2 0 8 0 rtentry 176 282 0 218 5 1 4 5 0 8 0 unpcb 144 2555 0 2536 25 19 6 6 0 8 5 syncache 336 32 0 32 8 7 1 1 0 8 1 tcpqe 32 13 0 13 8 8 0 1 0 8 0 tcpcb 736 1431 0 1421 33 31 2 7 0 8 0 arp 128 38 0 26 1 0 1 1 0 8 0 inpcb 328 4882 0 4869 48 41 7 12 0 8 5 nd6 144 42 0 28 1 0 1 1 0 8 0 pkpcb 40 27 0 27 9 8 1 1 0 8 1 kcovpl 48 17 0 9 1 0 1 1 0 8 0 ppxss 1192 191 0 191 3 2 1 1 0 8 1 pppxif 1504 24 0 24 7 7 0 1 0 8 0 pfstscr 40 7 0 7 3 3 0 1 0 8 0 pffrag 232 21 0 13 1 0 1 1 0 482 0 pffrnode 88 15 0 7 1 0 1 1 0 8 0 pffrent 40 44 0 32 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 39 0 39 4 4 0 1 0 8 0 pfanchor 1288 5 0 4 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 262 0 149 1 0 1 1 0 8 0 pfstkey 128 273 0 161 4 0 4 4 0 8 0 pfstate 384 266 0 155 12 0 12 12 0 8 0 pfrule 1344 85 0 80 2 1 1 2 0 8 0 rttmr 136 6 0 6 5 5 0 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 1275 0 968 36 13 23 30 0 8 0 art_table 40 1278 0 968 5 0 5 5 0 8 0 art_node 32 276 0 222 1 0 1 1 0 8 0 sysvmsgpl 40 23 0 16 1 0 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 98 0 85 1 0 1 1 0 8 0 shmpl 112 133 0 8 4 0 4 4 0 8 0 dirhash 1024 55 0 38 3 0 3 3 0 8 0 dino2pl 256 7983 0 6453 96 0 96 96 0 8 0 ffsino 296 7983 0 6453 118 0 118 118 0 8 0 nchpl 144 12731 0 11016 64 0 64 64 0 8 0 rtmask 32 18 0 18 7 7 0 1 0 8 0 uvmvnodes 80 9379 0 0 192 0 192 192 0 8 0 vnodes 216 9379 0 0 522 0 522 522 0 8 0 namei 1024 46053 0 46052 6 5 1 2 0 8 0 percpumem 16 299 0 249 1 0 1 1 0 8 0 kstatmem 264 360 0 328 4 1 3 3 0 8 0 acpiwqpl 32 4 0 4 1 0 1 1 1 8 1 scsiplug 72 13 0 13 6 5 1 1 0 8 1 scxspl 216 90280 0 90280 24 23 1 8 1 8 1 plimitpl 152 823 0 805 1 0 1 1 0 8 0 sigapl 424 3744 0 3688 9 2 7 9 0 8 0 knotepl 120 877 0 0 24 0 24 24 0 8 0 kqueuepl 224 1455 0 1444 13 11 2 5 0 8 1 pipepl 344 539 0 512 12 9 3 9 0 8 0 fdescpl 528 3678 0 3646 3 0 3 3 0 8 0 filepl 160 26983 0 26753 31 16 15 16 0 8 2 lockfpl 104 1438 0 1435 4 3 1 2 0 8 0 lockfspl 48 456 0 453 1 0 1 1 0 8 0 sessionpl 144 57 0 48 1 0 1 1 0 8 0 pgrppl 48 114 0 97 1 0 1 1 0 8 0 ucredpl 104 4865 0 4851 1 0 1 1 0 8 0 zombiepl 144 4553 0 4551 3 2 1 1 0 8 0 processpl 1232 3744 0 3688 7 1 6 7 0 8 0 procpl 664 9391 0 9321 10 3 7 9 0 8 0 sosppl 168 22 0 22 7 6 1 1 0 8 1 sockpl 752 7933 0 7897 82 69 13 17 0 8 8 mcl64k 65536 20 0 0 3 0 3 3 0 8 0 mcl16k 16384 7 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 121 0 0 15 0 15 15 0 8 0 mcl2k 2048 55 0 0 6 0 6 6 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 1173 0 0 73 0 73 73 0 8 0 bufpl 280 38294 0 32149 440 0 440 440 0 8 0 anonpl 32 16293 0 0 132 1 131 132 0 246 0 amapchunkpl 152 121216 0 120598 86 52 34 38 0 158 8 amappl16 200 13109 0 12906 149 129 20 33 0 8 4 amappl15 192 99 0 99 2 2 0 1 0 8 0 amappl14 184 187 0 175 1 0 1 1 0 8 0 amappl13 176 4 0 4 1 1 0 1 0 8 0 amappl12 168 4504 0 4473 3 1 2 2 0 8 0 amappl11 160 55 0 40 1 0 1 1 0 8 0 amappl10 152 6 0 6 1 1 0 1 0 8 0 amappl9 144 250 0 250 1 1 0 1 0 8 0 amappl8 136 25 0 22 1 0 1 1 0 8 0 amappl7 128 153 0 141 1 0 1 1 0 8 0 amappl6 120 301 0 297 1 0 1 1 0 8 0 amappl5 112 160 0 149 1 0 1 1 0 8 0 amappl4 104 426 0 406 1 0 1 1 0 8 0 amappl3 96 23343 0 23224 5 1 4 4 0 8 0 amappl2 88 1008 0 942 2 0 2 2 0 8 0 amappl1 80 28324 0 27721 17 0 17 17 0 8 0 amappl 88 31558 0 31374 5 0 5 5 0 92 0 dma32768 32768 3 0 3 2 2 0 1 0 8 0 dma8192 8192 1 0 1 1 1 0 1 0 8 0 dma4096 4096 2 0 2 2 2 0 1 0 8 0 dma2048 2048 1 0 1 1 1 0 1 0 8 0 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma256 256 10 0 10 4 4 0 1 0 8 0 dma128 128 257 0 257 4 4 0 1 0 8 0 dma64 64 9 0 9 3 2 1 1 0 8 1 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 72 135 0 8 3 0 3 3 0 8 0 uaddrrnd 24 3677 0 3646 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3677 0 3646 1 0 1 1 0 8 0 vmmpekpl 168 29222 0 29154 4 0 4 4 0 8 0 vmmpepl 168 242355 0 240130 158 49 109 118 0 357 3 vmsppl 488 3676 0 3646 5 0 5 5 0 8 0 rwobjpl 80 74482 0 63837 220 2 218 218 0 8 0 pdppl 4096 7362 0 7292 162 90 72 86 0 8 2 pvpl 32 24615 0 0 198 1 197 197 0 265 0 pmappl 256 3676 0 3646 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 460 0 156 9 0 9 9 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace dt_ioctl_record_stop(ffff800001597000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(21e5f,1,2000,ffff800033009ca8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,1,2000,ffff800033009ca8) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff800038820fe0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd80728876c0,1,fffffd80097fb680,ffff800033009ca8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b98cae8,ffff800033009ca8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b98cae8,ffff800033009ca8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b98cae8,ffff800033009ca8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806b98cae8,ffff800033009ca8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff800033009ca8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff800033009ca8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff800033009ca8,ffff800038821350,ffff8000388212a0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800038821350) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800038821350) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7bc57c185d10, 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 end of kernel end trace frame: 0x7e97a756c670, count: 12 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 end of kernel end trace frame: 0x7e97a756c670, count: -3