login: uvm_fault(0xfffffd800e857d78, 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 * 40741 73696 0 0 0x4000000 0K syz-executor dt_ioctl_record_stop(ffff800001786000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(251e5f,81,2000,ffff80002a25ba08) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(251e5f,81,2000,ffff80002a25ba08) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff800038bc0b10) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd80654f5528,81,fffffd80097fd7b8,ffff80002a25ba08) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8078f961b0,ffff80002a25ba08) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8078f961b0,ffff80002a25ba08) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8078f961b0,ffff80002a25ba08) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd8078f961b0,ffff80002a25ba08) at closef+0x192 sys/kern/kern_descrip.c:1265 syscall(ffff800038bc0d70) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800038bc0d70) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcbfe1036640, count: 6 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(0xfffffd800e857d78, 0x0, 0, 1) -> e ddb{0}> trace dt_ioctl_record_stop(ffff800001786000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(251e5f,81,2000,ffff80002a25ba08) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(251e5f,81,2000,ffff80002a25ba08) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff800038bc0b10) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd80654f5528,81,fffffd80097fd7b8,ffff80002a25ba08) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8078f961b0,ffff80002a25ba08) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8078f961b0,ffff80002a25ba08) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8078f961b0,ffff80002a25ba08) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd8078f961b0,ffff80002a25ba08) at closef+0x192 sys/kern/kern_descrip.c:1265 syscall(ffff800038bc0d70) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800038bc0d70) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcbfe1036640, count: -9 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff800038bc0a40 rbx 0x1 rdx 0 rcx 0xffff80002a25ba08 rax 0xffffffff838f5f48 dt_prov_syscall r8 0xffffffff822d6d10 uvm_map_inentry_sp r9 0x81 r10 0 r11 0x94e9dad314915f13 r12 0 r13 0 r14 0 r15 0xffff80000167d300 rip 0xffffffff82652fb8 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff800038bc0a10 ss 0x10 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb{0}> show proc PROC (syz-executor) tid=40741 pid=73696 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=81, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a25b4d8,0xffff8000fffe8d28 process=0xffff8000fffec018 user=0xffff800038bbb000, vmspace=0xfffffd800e857d78 estcpu=31, cpticks=2, pctcpu=0.1, user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 88294 324916 56876 0 2 0 syz-executor 88294 359767 56876 0 3 0x4000080 fsleep syz-executor 66790 173976 88017 0 2 0 syz-executor 66790 518728 88017 0 2 0x4000000 syz-executor 66790 251656 88017 0 2 0x4000000 syz-executor 19302 214452 80042 0 3 0x80 nanoslp syz-executor 19302 455575 80042 0 3 0x4000080 fsleep syz-executor 19302 486029 80042 0 2 0x4000000 syz-executor 63810 461459 20891 0 2 0x2 arp 20891 123738 93484 0 3 0x10008a sigsusp sh 73696 164397 20275 0 2 0 syz-executor *73696 40741 20275 0 7 0x4000000 syz-executor 73696 483292 20275 0 3 0x4000080 fsleep syz-executor 73696 317508 20275 0 3 0x4000080 fsleep syz-executor 81005 346435 0 0 3 0x14280 nfsidl nfsio 89548 404829 0 0 3 0x14280 nfsidl nfsio 17195 227074 0 0 3 0x14280 nfsidl nfsio 48932 410901 0 0 3 0x14280 nfsidl nfsio 95616 460837 0 0 3 0x14280 nfsidl nfsio 93484 376311 82893 0 3 0x82 wait syz-executor 88017 168068 82893 0 3 0x82 nanoslp syz-executor 32309 383734 1 0 3 0x100083 ttyin getty 56876 443829 82893 0 3 0x82 nanoslp syz-executor 20275 433182 82893 0 3 0x82 nanoslp syz-executor 80042 413056 82893 0 3 0x82 nanoslp syz-executor 40739 269962 82893 0 3 0x82 wait syz-executor 48038 365377 82893 0 2 0x2 syz-executor 83521 225374 82893 0 2 0x3 syz-executor 82893 65749 64575 0 3 0x82 kqread syz-executor 64575 6658 42730 0 3 0x10008a sigsusp ksh 42730 134826 81612 0 3 0x98 kqread sshd-session 81612 340248 80143 0 3 0x92 kqread sshd-session 80143 240556 1 0 3 0x88 kqread sshd 90252 56370 78616 74 3 0x1100092 bpf pflogd 78616 351764 1 0 3 0x80 sbwait pflogd 29619 282183 58217 73 3 0x1100090 kqread syslogd 58217 517271 1 0 3 0x100082 sbwait syslogd 7166 53389 1 0 3 0x100080 kqread resolvd 37248 240923 45964 77 3 0x100092 kqread dhcpleased 20291 112502 45964 77 3 0x100092 kqread dhcpleased 45964 391243 1 0 3 0x80 kqread dhcpleased 26414 56034 0 0 3 0x14200 bored smr 8764 503429 0 0 2 0x14200 zerothread 39540 244388 0 0 3 0x14200 aiodoned aiodoned 9396 504986 0 0 3 0x14200 syncer update 56244 226193 0 0 3 0x14200 cleaner cleaner 28894 439520 0 0 3 0x14200 reaper reaper 22320 198514 0 0 3 0x14200 pgdaemon pagedaemon 54675 42238 0 0 3 0x14200 bored viomb 92219 108222 0 0 3 0x40014200 acpi0 acpi0 42498 374967 0 0 7 0x40014200 idle1 72528 268629 0 0 3 0x14200 bored softnet1 46149 265017 0 0 3 0x14200 bored softnet0 89344 396670 0 0 3 0x14200 bored systqmp 99204 71845 0 0 3 0x14200 bored systq 16662 267619 0 0 3 0x14200 tmoslp softclockmp 81034 95765 0 0 3 0x40014200 tmoslp softclock 53850 44050 0 0 3 0x40014200 idle0 1 5537 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 63810 (arp) thread 0xffff80003b3e2fb8 (461459) exclusive rwlock kmmaplk r = 0 (0xffffffff8397e3c8) #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:5171 #3 uvm_map_extract+0x5c7 sys/uvm/uvm_map.c:4278 #4 sys_kbind+0x6e4 sys/uvm/uvm_mmap.c:1279 #5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #6 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd806f5fbe60) #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:5171 #3 uvm_map_extract+0x17c sys/uvm/uvm_map.c:4242 #4 sys_kbind+0x6e4 sys/uvm/uvm_mmap.c:1279 #5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #6 Xsyscall+0x128 Process 73696 (syz-executor) thread 0xffff80002a25ba08 (40741) exclusive rwlock dtlk r = 0 (0xffffffff839111f8) #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 dt_ioctl_record_stop+0x2e sys/dev/dt/dt_dev.c:572 #3 dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #3 dtclose+0x109 sys/dev/dt/dt_dev.c:239 #4 spec_close+0x466 sys/kern/spec_vnops.c:-1 #5 VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 #6 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] #6 vn_closefile+0x12b sys/kern/vfs_vnops.c:615 #7 fdrop+0x121 sys/kern/kern_descrip.c:1281 #8 closef+0x192 sys/kern/kern_descrip.c:1265 #9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #10 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83aa4640) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 vn_closefile+0x41 sys/kern/vfs_vnops.c:608 #2 fdrop+0x121 sys/kern/kern_descrip.c:1281 #3 closef+0x192 sys/kern/kern_descrip.c:1265 #4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #5 Xsyscall+0x128 Process 48038 (syz-executor) thread 0xffff8000ffffc2a0 (365377) exclusive rrwlock inode r = 0 (0xfffffd806e7c65b8) #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_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3143 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d6bfc40) #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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3128 #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 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11207 13044K 13183K 166960K 13539 0 pcb 17 14K 15K 166960K 181 0 rtable 152 9K 9K 166960K 532 0 pf 33 17K 21K 166960K 116 0 ifaddr 27 4K 7K 166960K 76 0 ifgroup 43 2K 2K 166960K 102 0 sysctl 2 1K 9K 166960K 7 0 counters 64 36K 37K 166960K 120 0 ioctlops 0 0K 4K 166960K 1606 0 iov 0 0K 12K 166960K 27 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1353 85K 85K 166960K 2063 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 16 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 24 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 85K 166960K 643 0 sigio 0 0K 0K 166960K 39 0 proc 72 115K 164K 166960K 746 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 0 0K 0K 166960K 70 0 in_multi 45 3K 7K 166960K 148 0 ether_multi 1 0K 0K 166960K 3 0 mrt 1 0K 0K 166960K 11 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 490 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 232 168K 189K 166960K 7583 0 UVM aobj 91 5K 5K 166960K 93 0 pinsyscall 43 86K 100K 166960K 1892 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 30 0 NDP 9 0K 2K 166960K 51 0 temp 70 9082K 9150K 166960K 30153 0 kqueue 13 20K 30K 166960K 103 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 120 104 0 101 2 1 1 2 0 8 0 rtentry 176 152 0 100 6 0 6 6 0 8 0 unpcb 144 237 0 220 1 0 1 1 0 8 0 syncache 336 4 0 4 2 2 0 1 0 8 0 tcpcb 736 131 0 127 2 1 1 2 0 8 0 arp 136 27 0 16 1 0 1 1 0 8 0 inpcb 328 604 0 597 14 12 2 8 0 8 1 nd6 152 33 0 24 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 0 1 1 0 8 1 kcovpl 48 12 0 4 1 0 1 1 0 8 0 ppxss 1192 19 0 19 2 2 0 1 0 8 0 pfstscr 40 1 0 1 1 0 1 1 0 8 1 pffrag 232 5 0 3 1 0 1 1 0 482 0 pffrnode 88 4 0 2 1 0 1 1 0 8 0 pffrent 40 8 0 6 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 6 0 3 1 0 1 1 0 8 0 pfsrclim 320 1 0 0 1 0 1 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pftag 88 3 0 1 2 1 1 1 0 8 0 pfstitem 24 38 0 0 1 0 1 1 0 8 0 pfstkey 128 41 0 3 2 0 2 2 0 8 0 pfstate 448 40 0 2 5 0 5 5 0 8 0 pfrule 1360 35 0 26 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 627 0 396 29 13 16 29 0 8 0 art_table 40 629 0 396 5 0 5 5 0 8 0 art_node 32 152 0 106 1 0 1 1 0 8 0 sysvmsgpl 40 13 0 6 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 21 0 11 1 0 1 1 0 8 0 shmpl 112 90 0 2 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2561 0 1101 93 0 93 93 0 8 0 ffsino 296 2561 0 1101 114 0 114 114 0 8 0 nchpl 144 3405 0 1685 64 0 64 64 0 8 0 rtmask 32 4 0 4 2 2 0 1 0 8 0 vnodes 216 3114 0 0 173 0 173 173 0 8 0 namei 1024 11878 0 11876 3 2 1 2 0 8 0 percpumem 16 75 0 28 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 kstatmem 264 62 0 40 3 1 2 3 0 8 0 scsiplug 72 3 0 3 1 1 0 1 0 8 0 scxspl 216 20711 0 20711 4 3 1 3 1 8 1 plimitpl 152 115 0 97 1 0 1 1 0 8 0 sigapl 424 957 0 905 7 0 7 7 0 8 0 knotepl 120 498 0 0 16 0 16 16 0 8 0 kqueuepl 224 163 0 154 2 1 1 2 0 8 0 pipepl 344 169 0 142 3 0 3 3 0 8 0 fdescpl 528 935 0 904 3 0 3 3 0 8 0 filepl 160 4858 0 4605 17 4 13 13 0 8 1 lockfpl 104 320 0 318 2 1 1 2 0 8 0 lockfspl 48 137 0 135 1 0 1 1 0 8 0 sessionpl 144 38 0 29 1 0 1 1 0 8 0 pgrppl 48 57 0 40 1 0 1 1 0 8 0 ucredpl 104 640 0 627 1 0 1 1 0 8 0 zombiepl 144 968 0 967 2 1 1 1 0 8 0 processpl 1232 957 0 905 5 0 5 5 0 8 0 procpl 664 1749 0 1689 6 0 6 6 0 8 0 sosppl 176 2 0 2 2 1 1 1 0 8 1 sockpl 752 960 0 932 20 15 5 12 0 8 1 mcl64k 65536 3 0 0 1 0 1 1 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 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 123 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 24 0 0 3 0 3 3 0 8 0 mtagpl 96 13 0 0 1 0 1 1 0 8 0 mbufpl 256 172 0 0 11 0 11 11 0 8 0 bufpl 280 8521 0 2391 439 0 439 439 0 8 0 anonpl 32 11352 0 0 92 0 92 92 0 246 0 amapchunkpl 152 24483 0 24032 41 14 27 30 0 158 7 amappl16 200 3966 0 3940 38 26 12 25 0 8 8 amappl15 192 14 0 13 1 0 1 1 0 8 0 amappl14 184 480 0 478 1 0 1 1 0 8 0 amappl13 176 127 0 114 1 0 1 1 0 8 0 amappl12 168 1197 0 1167 2 0 2 2 0 8 0 amappl11 160 4 0 4 2 2 0 1 0 8 0 amappl10 152 97 0 83 1 0 1 1 0 8 0 amappl9 144 261 0 261 1 1 0 1 0 8 0 amappl8 136 121 0 117 1 0 1 1 0 8 0 amappl7 128 176 0 162 1 0 1 1 0 8 0 amappl6 120 201 0 198 1 0 1 1 0 8 0 amappl5 112 127 0 115 1 0 1 1 0 8 0 amappl4 104 305 0 284 1 0 1 1 0 8 0 amappl3 96 4746 0 4637 4 0 4 4 0 8 0 amappl2 88 567 0 503 2 0 2 2 0 8 0 amappl1 80 12297 0 11665 18 3 15 17 0 8 1 amappl 88 6725 0 6570 5 0 5 5 0 92 0 uvmvnodes 80 111 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 dma512 512 1 0 1 1 1 0 1 0 8 0 dma256 256 8 0 8 3 2 1 1 0 8 1 dma128 128 255 0 255 2 2 0 1 0 8 0 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 92 0 2 2 0 2 2 0 8 0 uaddrrnd 24 935 0 904 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 935 0 904 1 0 1 1 0 8 0 vmmpekpl 168 9175 0 9128 3 0 3 3 0 8 0 vmmpepl 168 68042 0 66138 116 8 108 108 0 357 16 vmsppl 488 934 0 904 6 1 5 5 0 8 0 rwobjpl 80 22008 0 20842 33 0 33 33 0 8 1 pdppl 4096 1877 0 1808 107 32 75 81 0 8 6 pvpl 32 19899 0 0 163 2 161 161 0 265 0 pmappl 256 934 0 904 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 289 0 55 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace dt_ioctl_record_stop(ffff800001786000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(251e5f,81,2000,ffff80002a25ba08) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(251e5f,81,2000,ffff80002a25ba08) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff800038bc0b10) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd80654f5528,81,fffffd80097fd7b8,ffff80002a25ba08) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8078f961b0,ffff80002a25ba08) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8078f961b0,ffff80002a25ba08) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8078f961b0,ffff80002a25ba08) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd8078f961b0,ffff80002a25ba08) at closef+0x192 sys/kern/kern_descrip.c:1265 syscall(ffff800038bc0d70) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800038bc0d70) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcbfe1036640, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299bdff0) 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 acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffff8000299bdff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff8000299bdff0) 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 acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffff8000299bdff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: -5