uvm_fault(0xfffffd806527e7c8, 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 191583 87383 0 0 0 0 syz-executor dt_ioctl_record_stop(ffff800001480000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff8000387f77a0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000387f77a0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000387f54a0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800bd9fa48,81,fffffd80097fd4e0,ffff8000387f77a0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8060638460,ffff8000387f77a0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8060638460,ffff8000387f77a0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8060638460,ffff8000387f77a0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8060638460,ffff8000387f77a0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000387f77a0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000387f77a0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000387f77a0,ffff8000387f5810,ffff8000387f5760) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000387f5810) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000387f5810) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76b07fb2ee70, 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(0xfffffd806527e7c8, 0x0, 0, 1) -> e ddb{1}> trace dt_ioctl_record_stop(ffff800001480000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff8000387f77a0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000387f77a0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000387f54a0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800bd9fa48,81,fffffd80097fd4e0,ffff8000387f77a0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8060638460,ffff8000387f77a0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8060638460,ffff8000387f77a0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8060638460,ffff8000387f77a0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8060638460,ffff8000387f77a0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000387f77a0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000387f77a0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000387f77a0,ffff8000387f5810,ffff8000387f5760) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000387f5810) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000387f5810) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76b07fb2ee70, count: -12 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff8000387f53d0 rbx 0x1 rdx 0 rcx 0xffff8000387f77a0 rax 0xffffffff83878e28 dt_prov_syscall r8 0 r9 0 r10 0x52d2ad2cac5bc2f1 r11 0x1ec394d6a068cf5 r12 0 r13 0 r14 0 r15 0xffff800001444900 rip 0xffffffff819b70e8 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff8000387f53a0 ss 0x10 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb{1}> show proc PROC (syz-executor) tid=114813 pid=51514 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000387f77a0 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002a272540,0xffff8000fffefcb0 process=0xffff80003c42b050 user=0xffff8000387f0000, vmspace=0xfffffd806527e7c8 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 87383 191583 41624 0 7 0 syz-executor 87383 165641 41624 0 3 0x4000000 biowait syz-executor 35515 217664 14361 0 3 0x80 nanoslp syz-executor 35515 463171 14361 0 3 0x4000080 sbwait syz-executor 35515 327336 14361 0 3 0x4000080 fsleep syz-executor 30881 209375 72094 0 4 0x82010 syz-executor 30881 409292 72094 0 3 0x4082010 biowait syz-executor 30881 145804 72094 0 3 0x4082010 fltagain2 syz-executor 30881 222500 72094 0 3 0x4082010 inode syz-executor 30881 443216 72094 0 3 0x4082010 inode syz-executor 30881 492257 72094 0 3 0x4082010 inode syz-executor 30881 389286 72094 0 3 0x4082010 inode syz-executor 30881 378286 72094 0 3 0x4082010 inode syz-executor 30881 297772 72094 0 3 0x4002010 suspend syz-executor 9174 463755 1 0 3 0x80 nanoslp init 80628 138392 51616 0 3 0x2 biowait syz-executor 88360 179354 51616 0 3 0x82 nanoslp syz-executor 1041 415895 51616 0 2 0x2 syz-executor 72094 34602 51616 0 2 0x2 syz-executor 41624 149120 51616 0 3 0x82 nanoslp syz-executor 76193 322013 51616 0 3 0x82 wait syz-executor 53842 474780 51616 0 3 0x82 nanoslp syz-executor 14361 503814 51616 0 3 0x82 nanoslp syz-executor 51616 207928 11588 0 3 0x82 kqread syz-executor 11588 40731 44650 0 3 0x10008a sigsusp ksh 44650 390623 70617 0 3 0x98 kqread sshd-session 70617 86842 58358 0 3 0x92 kqread sshd-session 58358 187285 1 0 3 0x88 kqread sshd 73054 423199 15902 74 3 0x1100092 bpf pflogd 15902 4493 1 0 3 0x80 sbwait pflogd 46397 149572 89211 73 3 0x1100090 kqread syslogd 89211 234505 1 0 3 0x100082 sbwait syslogd 63282 157344 1 0 3 0x100080 kqread resolvd 13760 265564 27556 77 3 0x100092 kqread dhcpleased 3224 1132 27556 77 3 0x100092 kqread dhcpleased 27556 11078 1 0 3 0x80 kqread dhcpleased 71798 153604 0 0 3 0x14200 bored smr 80000 44037 0 0 2 0x14200 zerothread 24127 33511 0 0 3 0x14200 aiodoned aiodoned 98141 45661 0 0 3 0x14200 syncer update 43580 132996 0 0 3 0x14200 cleaner cleaner 8502 65826 0 0 3 0x14200 reaper reaper 74483 305924 0 0 3 0x14200 pgdaemon pagedaemon 71031 190571 0 0 3 0x14200 bored viomb 66337 361957 0 0 3 0x40014200 acpi0 acpi0 33479 123144 0 0 3 0x40014200 idle1 67922 504479 0 0 3 0x14200 bored softnet1 93640 460837 0 0 3 0x14200 bored softnet0 59459 39095 0 0 3 0x14200 smrbar systqmp 84591 162486 0 0 3 0x14200 bored systq 41131 152716 0 0 3 0x14200 tmoslp softclockmp 99124 451710 0 0 3 0x40014200 tmoslp softclock 83496 46147 0 0 3 0x40014200 idle0 1 477626 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 87383 (syz-executor) thread 0xffff8000fffee2b0 (165641) exclusive rrwlock inode r = 0 (0xfffffd806f9c0a28) #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 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 #8 ufs_create+0x4e sys/ufs/ufs/ufs_vnops.c:147 #9 VOP_CREATE+0xfe sys/kern/vfs_vops.c:103 #10 vn_open+0x34d sys/kern/vfs_vnops.c:116 #11 doopenat+0x35b sys/kern/vfs_syscalls.c:1138 #12 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806f2a66e0) #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 vn_open+0x1f1 sys/kern/vfs_vnops.c:107 #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:765 #10 Xsyscall+0x128 Process 30881 (syz-executor) thread 0xffff8000fffee018 (409292) exclusive rrwlock inode r = 0 (0xfffffd806f2b9370) #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+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:765 #9 Xsyscall+0x128 Process 30881 (syz-executor) thread 0xffff8000387f6578 (222500) exclusive rrwlock inode r = 0 (0xfffffd806dd97c50) #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 dofchownat+0xe7 sys/kern/vfs_syscalls.c:2482 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 #9 Xsyscall+0x128 Process 80628 (syz-executor) thread 0xffff80003c4694f0 (138392) exclusive rrwlock inode r = 0 (0xfffffd80700dec40) #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+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:765 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd805f5300e8) #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:1868 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 #9 Xsyscall+0x128 Process 59459 (systqmp) thread 0xffff8000ffffe298 (39095) shared rwlock systqmp r = 0 (0xffffffff837a7848) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10226 11077K 11535K 166960K 13458 0 pcb 19 16K 17K 166960K 369 0 rtable 185 11K 13K 166960K 642 0 pf 40 19K 81K 166960K 277 0 ifaddr 31 5K 9K 166960K 139 0 ifgroup 51 2K 2K 166960K 235 0 sysctl 4 1K 9K 166960K 84 0 counters 66 36K 38K 166960K 262 0 ioctlops 0 0K 4K 166960K 1940 0 iov 0 0K 28K 166960K 128 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1456 92K 92K 166960K 2846 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 2K 10K 166960K 17 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 125 0 dirhash 12 2K 2K 166960K 66 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 240K 166960K 1734 0 sigio 0 0K 0K 166960K 33 0 proc 64 99K 180K 166960K 776 0 subproc 72 4K 4K 166960K 108 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 452 0 in_multi 55 4K 7K 166960K 200 0 ether_multi 1 0K 0K 166960K 14 0 mrt 1 0K 0K 166960K 20 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 115 519K 519K 166960K 115 0 exec 0 0K 1K 166960K 575 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 247 155K 178K 166960K 17154 0 UVM aobj 39 16K 16K 166960K 45 0 pinsyscall 40 80K 104K 166960K 2990 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 118 0 NDP 11 0K 2K 166960K 100 0 temp 85 8672K 8744K 166960K 71556 0 kqueue 13 20K 30K 166960K 332 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 120 132 0 129 1 0 1 1 0 8 0 rtentry 176 188 0 126 6 0 6 6 0 8 0 unpcb 144 983 0 962 10 9 1 4 0 8 0 syncache 336 11 0 11 5 4 1 1 0 8 1 tcpqe 32 3 0 3 3 3 0 1 0 8 0 tcpcb 736 679 0 670 17 10 7 7 0 8 6 arp 136 29 0 19 1 0 1 1 0 8 0 inpcb 328 1929 0 1913 25 18 7 13 0 8 5 nd6 152 41 0 28 2 0 2 2 0 8 0 pkpcb 40 18 0 18 4 3 1 1 0 8 1 kcovpl 48 12 0 4 1 0 1 1 0 8 0 mppekey 1024 2 0 2 1 1 0 1 0 8 0 ppxss 1192 77 0 77 3 2 1 1 0 8 1 pppxif 1504 8 0 8 4 3 1 1 0 8 1 pfstscr 40 3 0 2 1 0 1 1 0 8 0 pffrag 232 55 0 40 1 0 1 1 0 482 0 pffrnode 88 16 0 2 1 0 1 1 0 8 0 pffrent 40 161 0 144 1 0 1 1 0 8 0 pfosfp 40 1493 0 1069 5 0 5 5 0 8 0 pfosfpen 112 1493 0 778 21 0 21 21 0 8 0 pfrktable 1344 5 0 4 3 2 1 1 0 8 0 pfstitem 24 31 0 18 1 0 1 1 0 8 0 pfstkey 128 35 0 22 2 0 2 2 0 8 0 pfstate 448 32 0 20 4 0 4 4 0 8 0 pfrule 1344 25 0 18 2 1 1 2 0 8 0 rttmr 136 5 0 5 2 2 0 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 855 0 527 37 8 29 31 0 8 1 art_table 40 858 0 527 5 0 5 5 0 8 0 art_node 32 186 0 122 1 0 1 1 0 8 0 sysvmsgpl 40 26 0 19 1 0 1 1 0 8 0 semupl 112 4 0 4 3 2 1 1 0 8 1 semapl 112 123 0 113 1 0 1 1 0 8 0 shmpl 112 35 0 6 1 0 1 1 0 8 0 dirhash 1024 55 0 38 3 0 3 3 0 8 0 dino2pl 256 4564 0 3052 96 0 96 96 0 8 0 ffsino 296 4564 0 3052 118 0 118 118 0 8 0 nchpl 144 6813 0 5097 64 0 64 64 0 8 0 rtmask 32 17 0 17 4 3 1 1 0 8 1 vnodes 216 5494 0 0 306 0 306 306 0 8 0 namei 1024 23932 0 23926 4 2 2 2 0 8 1 percpumem 16 146 0 98 1 0 1 1 0 8 0 vcpupl 3968 7 0 0 1 0 1 1 0 8 0 vmpool 840 7 0 0 1 0 1 1 0 8 0 kstatmem 264 156 0 130 7 4 3 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 11 0 11 5 4 1 1 0 8 1 scxspl 216 39512 0 39509 13 11 2 8 1 8 1 plimitpl 152 452 0 435 1 0 1 1 0 8 0 sigapl 424 2071 0 2025 10 2 8 8 0 8 1 knotepl 120 572 0 0 17 0 17 17 0 8 0 kqueuepl 224 620 0 611 6 3 3 3 0 8 2 pipepl 344 245 0 216 3 0 3 3 0 8 0 fdescpl 528 2006 0 1976 3 0 3 3 0 8 0 filepl 160 12798 0 12565 30 12 18 18 0 8 6 lockfpl 104 871 0 869 2 1 1 2 0 8 0 lockfspl 48 250 0 248 1 0 1 1 0 8 0 sessionpl 144 31 0 23 1 0 1 1 0 8 0 pgrppl 48 68 0 52 1 0 1 1 0 8 0 ucredpl 104 1880 0 1866 1 0 1 1 0 8 0 zombiepl 144 2028 0 2025 2 1 1 1 0 8 0 processpl 1232 2071 0 2025 7 1 6 6 0 8 0 procpl 664 4710 0 4653 10 2 8 8 0 8 0 sosppl 176 5 0 5 2 1 1 1 0 8 1 sockpl 752 3208 0 3168 36 25 11 18 0 8 6 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 127 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 41 0 0 6 0 6 6 0 8 0 mtagpl 96 81 0 0 2 0 2 2 0 8 0 mbufpl 256 1194 0 0 74 0 74 74 0 8 0 bufpl 280 14952 0 8815 439 0 439 439 0 8 0 anonpl 32 11866 0 0 96 0 96 96 0 246 0 amapchunkpl 152 60154 0 59651 51 22 29 35 0 158 4 amappl16 200 6125 0 5961 36 21 15 29 0 8 6 amappl15 192 36 0 36 1 1 0 1 0 8 0 amappl14 184 8 0 7 1 0 1 1 0 8 0 amappl13 176 487 0 486 1 0 1 1 0 8 0 amappl12 168 2406 0 2366 3 0 3 3 0 8 0 amappl11 160 30 0 30 2 2 0 1 0 8 0 amappl10 152 55 0 41 1 0 1 1 0 8 0 amappl9 144 262 0 262 1 1 0 1 0 8 0 amappl8 136 38 0 35 1 0 1 1 0 8 0 amappl7 128 100 0 99 1 0 1 1 0 8 0 amappl6 120 335 0 321 1 0 1 1 0 8 0 amappl5 112 117 0 106 1 0 1 1 0 8 0 amappl4 104 465 0 435 1 0 1 1 0 8 0 amappl3 96 10242 0 10147 4 1 3 3 0 8 0 amappl2 88 2139 0 2065 2 0 2 2 0 8 0 amappl1 80 16971 0 16410 15 1 14 14 0 8 0 amappl 88 16054 0 15880 5 0 5 5 0 92 0 uvmvnodes 80 164 0 0 4 0 4 4 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 dma512 512 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 256 0 256 4 3 1 1 0 8 1 dma64 64 8 0 8 3 3 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 44 0 6 1 0 1 1 0 8 0 uaddrrnd 24 2006 0 1976 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2006 0 1976 1 0 1 1 0 8 0 vmmpekpl 168 17039 0 16984 3 0 3 3 0 8 0 vmmpepl 168 131529 0 129506 118 13 105 111 0 357 11 vmsppl 488 2005 0 1976 6 1 5 5 0 8 0 rwobjpl 80 35537 0 34287 34 4 30 34 0 8 0 pdppl 4096 4033 0 3959 125 45 80 83 0 8 6 pvpl 32 19118 0 0 156 2 154 154 0 265 0 pmappl 256 2012 0 1976 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 401 0 73 10 0 10 10 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8386fff0) 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(ffffffff839641c0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839641c0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 intr_handler(ffff80003c4f39d0,ffff80000006b400) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x7ccef1f76560, count: 9 ddb{0}> trace x86_ipi_db(ffffffff8386fff0) 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(ffffffff839641c0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839641c0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 intr_handler(ffff80003c4f39d0,ffff80000006b400) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x7ccef1f76560, count: -6 ddb{0}> machine ddbcpu 1 Stopped at dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 dt_ioctl_record_stop(ffff800001480000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff8000387f77a0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000387f77a0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000387f54a0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800bd9fa48,81,fffffd80097fd4e0,ffff8000387f77a0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8060638460,ffff8000387f77a0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8060638460,ffff8000387f77a0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8060638460,ffff8000387f77a0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8060638460,ffff8000387f77a0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000387f77a0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000387f77a0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000387f77a0,ffff8000387f5810,ffff8000387f5760) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000387f5810) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000387f5810) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76b07fb2ee70, count: 3 ddb{1}> trace dt_ioctl_record_stop(ffff800001480000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff8000387f77a0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000387f77a0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000387f54a0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800bd9fa48,81,fffffd80097fd4e0,ffff8000387f77a0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8060638460,ffff8000387f77a0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8060638460,ffff8000387f77a0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8060638460,ffff8000387f77a0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8060638460,ffff8000387f77a0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000387f77a0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000387f77a0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000387f77a0,ffff8000387f5810,ffff8000387f5760) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000387f5810) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000387f5810) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76b07fb2ee70, count: -12