panic: bad dir Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *301152 57107 0 0 0 0K dhcpleased db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff8247c2e6) at panic+0x177 sys/kern/subr_prf.c:202 ufs_lookup() at ufs_lookup+0x174c ufs_dirbad sys/ufs/ufs/ufs_lookup.c:609 [inline] ufs_lookup() at ufs_lookup+0x174c sys/ufs/ufs/ufs_lookup.c:444 VOP_LOOKUP(fffffd806efb1ab8,ffff8000211dc9b8,ffff8000211dc9e8) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 vfs_lookup(ffff8000211dc988) at vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 namei(ffff8000211dc988) at namei+0x36a sys/kern/vfs_lookup.c:245 vn_open(ffff8000211dc988,1,0) at vn_open+0x105 sys/kern/vfs_vnops.c:146 doopenat(ffff800021193ce8,ffffff9c,7f7ffffe6b30,0,0,ffff8000211dcb70) at doopenat+0x26a sys/kern/vfs_syscalls.c:1128 syscall(ffff8000211dcbe0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000211dcbe0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe6b20, count: 5 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: bad dir ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff8247c2e6) at panic+0x177 sys/kern/subr_prf.c:202 ufs_lookup() at ufs_lookup+0x174c ufs_dirbad sys/ufs/ufs/ufs_lookup.c:609 [inline] ufs_lookup() at ufs_lookup+0x174c sys/ufs/ufs/ufs_lookup.c:444 VOP_LOOKUP(fffffd806efb1ab8,ffff8000211dc9b8,ffff8000211dc9e8) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 vfs_lookup(ffff8000211dc988) at vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 namei(ffff8000211dc988) at namei+0x36a sys/kern/vfs_lookup.c:245 vn_open(ffff8000211dc988,1,0) at vn_open+0x105 sys/kern/vfs_vnops.c:146 doopenat(ffff800021193ce8,ffffff9c,7f7ffffe6b30,0,0,ffff8000211dcb70) at doopenat+0x26a sys/kern/vfs_syscalls.c:1128 syscall(ffff8000211dcbe0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000211dcbe0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe6b20, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000211dc440 rbx 0xffffffff827c9bff cpu_info_full_primary+0x2bff rdx 0 rcx 0 rax 0xffff800021193ce8 r8 0x101010101010101 r9 0x8080808080808080 r10 0xd6bb59958267add3 r11 0xb51971f1d1e086e5 r12 0xffffffff827c9a00 cpu_info_full_primary+0x2a00 r13 0 r14 0 r15 0x1 rip 0xffffffff814d5088 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000211dc430 ss 0 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (dhcpleased) pid=301152 stat=onproc flags process=0 proc=0 pri=17, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff8000211922a8,0xffff8000ffff7d00 process=0xffff8000ffff8430 user=0xffff8000211d7000, vmspace=0xfffffd807f0005c0 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 25040 199611 70356 0 2 0 syz-executor.3 25040 354003 70356 0 3 0x4000080 fsleep syz-executor.3 18254 400253 9433 0 2 0 syz-executor.1 18254 402906 9433 0 3 0x4000080 fsleep syz-executor.1 19267 163023 11482 0 2 0 syz-executor.2 19267 258774 11482 0 2 0x4000000 syz-executor.2 19175 334935 0 0 3 0x14200 acct acct 70356 342768 69253 0 3 0x82 nanoslp syz-executor.3 37793 230701 1 0 3 0x100083 ttyin getty 9433 165464 69253 0 3 0x82 nanoslp syz-executor.1 44872 226603 69253 0 2 0x2 syz-executor.0 67173 96192 0 0 3 0x14280 nfsidl nfsio 25287 486344 0 0 3 0x14280 nfsidl nfsio 44240 158085 0 0 3 0x14280 nfsidl nfsio 93329 225186 0 0 3 0x14280 nfsidl nfsio 53753 502379 0 0 3 0x14280 nfsidl nfsio 18376 127817 0 0 3 0x14280 nfsidl nfsio 29320 264187 0 0 3 0x14280 nfsidl nfsio 48095 365427 0 0 3 0x14280 nfsidl nfsio 13377 201856 0 0 3 0x14280 nfsidl nfsio 96836 237434 0 0 3 0x14280 nfsidl nfsio 14735 78795 0 0 3 0x14280 nfsidl nfsio 21123 152189 0 0 3 0x14280 nfsidl nfsio 18202 194017 0 0 3 0x14280 nfsidl nfsio 19909 208086 0 0 3 0x14280 nfsidl nfsio 31980 256585 0 0 3 0x14280 nfsidl nfsio 36613 178497 0 0 3 0x14280 nfsidl nfsio 68659 70373 0 0 3 0x14280 nfsidl nfsio 85245 216666 0 0 3 0x14280 nfsidl nfsio 31180 193523 0 0 3 0x14280 nfsidl nfsio 30032 140684 0 0 3 0x14280 nfsidl nfsio 11482 499167 69253 0 3 0x82 nanoslp syz-executor.2 35418 121997 0 0 3 0x14200 bored sosplice 69253 163041 63857 0 3 0x82 thrsleep syz-fuzzer 69253 243367 63857 0 3 0x4000082 nanoslp syz-fuzzer 69253 438475 63857 0 3 0x4000082 thrsleep syz-fuzzer 69253 423932 63857 0 3 0x4000082 thrsleep syz-fuzzer 69253 77412 63857 0 3 0x4000082 nanoslp syz-fuzzer 69253 398023 63857 0 3 0x4000082 thrsleep syz-fuzzer 69253 95660 63857 0 3 0x4000082 thrsleep syz-fuzzer 69253 441386 63857 0 3 0x4000082 thrsleep syz-fuzzer 69253 109845 63857 0 3 0x4000082 kqread syz-fuzzer 63857 197564 99992 0 3 0x10008a sigsusp ksh 99992 491753 72929 0 3 0x9a poll sshd 72929 40235 1 0 3 0x88 poll sshd 45776 86674 74893 74 3 0x100092 bpf pflogd 74893 293970 1 0 3 0x80 netio pflogd 12529 61089 73923 73 3 0x100090 kqread syslogd 73923 117489 1 0 3 0x100082 netio syslogd 83472 513627 1 0 3 0x100080 kqread resolvd 62682 76233 57107 77 3 0x100092 kqread dhcpleased 75286 456420 57107 77 3 0x100092 kqread dhcpleased *57107 301152 1 0 7 0 dhcpleased 89136 249234 0 0 3 0x14200 bored smr 46727 76207 0 0 2 0x14200 zerothread 46460 258572 0 0 3 0x14200 aiodoned aiodoned 43862 24457 0 0 3 0x14200 syncer update 10520 366980 0 0 3 0x14200 cleaner cleaner 4516 18488 0 0 3 0x14200 reaper reaper 50435 193071 0 0 3 0x14200 pgdaemon pagedaemon 50820 388184 0 0 3 0x14200 bored viomb 17985 360269 0 0 3 0x40014200 acpi0 acpi0 61438 130382 0 0 7 0x40014200 idle1 98689 461707 0 0 3 0x14200 bored softnet 73785 330783 0 0 3 0x14200 bored systqmp 12710 510353 0 0 3 0x14200 bored systq 10424 389238 0 0 3 0x40014200 bored softclock 13323 503155 0 0 3 0x40014200 idle0 1 493567 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 44872 (syz-executor.0) thread 0xffff8000211eed20 (226603) exclusive rrwlock inode r = 0 (0xfffffd8078bb2a28) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vget+0x1d3 sys/kern/vfs_subr.c:677 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1318 #8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 #11 namei+0x36a sys/kern/vfs_lookup.c:245 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1849 #13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806ee92920) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413 #6 namei+0x36a sys/kern/vfs_lookup.c:245 #7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1849 #8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 Process 57107 (dhcpleased) thread 0xffff800021193ce8 (301152) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82995d68) #0 witness_lock+0x44d #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x3d3 sys/kern/sched_bsd.c:416 #3 sleep_finish+0x1b2 sys/kern/kern_synch.c:433 #4 tsleep+0x12c sys/kern/kern_synch.c:158 #5 biowait+0x91 sys/kern/vfs_bio.c:1271 #6 ffs_bufatoff+0x125 sys/ufs/ffs/ffs_subr.c:71 #7 ufs_lookup+0x466 sys/ufs/ufs/ufs_lookup.c:258 #8 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 #10 namei+0x36a sys/kern/vfs_lookup.c:245 #11 vn_open+0x105 sys/kern/vfs_vnops.c:146 #12 doopenat+0x26a sys/kern/vfs_syscalls.c:1128 #13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806f10e1b0) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vget+0x1d3 sys/kern/vfs_subr.c:677 #6 cache_lookup+0x2b4 sys/kern/vfs_cache.c:224 #7 ufs_lookup+0x1ac sys/ufs/ufs/ufs_lookup.c:162 #8 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 #10 namei+0x36a sys/kern/vfs_lookup.c:245 #11 vn_open+0x105 sys/kern/vfs_vnops.c:146 #12 doopenat+0x26a sys/kern/vfs_syscalls.c:1128 #13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10219 6506K 14691K 78643K 101526 0 pcb 13 20K 25K 78643K 8888 0 rtable 187 32K 36K 78643K 13242 0 ifaddr 94 31K 41K 78643K 4833 0 sysctl 3 1K 5K 78643K 10 0 counters 48 34K 35K 78643K 1494 0 ioctlops 0 0K 4K 78643K 11704 0 iov 0 0K 28K 78643K 4391 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1489 93K 94K 78643K 32075 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 543 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 6796 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 9 29K 49K 78643K 51042 0 sigio 0 0K 0K 78643K 572 0 proc 87 88K 112K 78643K 8423 0 subproc 52 3K 4K 78643K 2596 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 3070 0 in_multi 26 1K 4K 78643K 4351 0 ether_multi 1 0K 0K 78643K 723 0 mrt 5 0K 0K 78643K 248 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 265 1182K 1182K 78643K 265 0 exec 0 0K 2K 78643K 11848 0 pfkey data 0 0K 1K 78643K 21 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 690 1830K 1847K 78643K 613086 0 UVM aobj 131 8K 8K 78643K 146 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 3380 0 NDP 11 0K 1K 78643K 1267 0 temp 120 4222K 8306K 78643K 421269 0 kqueue 20 28K 38K 78643K 2571 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 4014 0 4011 59 58 1 5 0 8 0 rtentry 112 3176 0 3139 2 0 2 2 0 8 0 unpcb 136 42257 0 42242 432 429 3 9 0 8 2 syncache 296 110 0 110 25 25 0 1 0 8 0 tcpqe 32 77 26 77 13 13 0 1 0 8 0 tcpcb 736 19202 0 19198 679 673 6 20 0 8 5 arp 120 537 0 531 1 0 1 1 0 8 0 inpcb 304 52209 0 52201 770 761 9 16 0 8 8 rttmr 72 56 0 56 16 16 0 1 0 8 0 nd6 48 759 0 754 1 0 1 1 0 8 0 pkpcb 40 371 0 371 24 24 0 1 0 8 0 kcovpl 48 199 0 195 1 0 1 1 0 8 0 ppxss 1248 122 0 122 32 31 1 1 0 8 1 pfstscr 40 256 0 256 15 15 0 1 0 8 0 pffrag 232 377 0 377 27 26 1 1 0 482 1 pffrnode 88 376 0 376 27 26 1 1 0 8 1 pffrent 40 4779 0 4779 30 29 1 1 0 8 1 pfosfp 40 1448 0 1443 6 5 1 5 0 8 0 pfosfpen 112 1448 0 1436 22 21 1 21 0 8 0 pfrktable 1344 1568 0 1529 17 13 4 4 0 8 0 pftag 88 84 0 76 1 0 1 1 0 8 0 pfqueue 264 38 0 38 2 2 0 1 0 8 0 pfstitem 24 144 0 142 1 0 1 1 0 8 0 pfstkey 112 632 0 630 2 1 1 2 0 8 0 pfstate 320 380 0 378 4 3 1 4 0 8 0 pfrule 1360 2430 0 2204 25 6 19 19 0 8 0 art_heap8 4096 8 0 7 6 5 1 3 0 8 0 art_heap4 256 12175 0 12017 79 67 12 20 0 8 0 art_table 32 12183 0 12024 5 2 3 3 0 8 0 art_node 16 3161 0 3131 1 0 1 1 0 8 0 sysvmsgpl 40 26 0 10 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 6790 0 6780 1 0 1 1 0 8 0 shmpl 112 143 0 15 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 69093 0 67569 96 0 96 96 0 8 0 ffsino 272 69093 0 67569 102 0 102 102 0 8 0 nchpl 144 134529 0 132936 61 0 61 61 0 8 0 uvmvnodes 80 6174 0 0 126 0 126 126 0 8 0 vnodes 224 6174 0 0 364 0 364 364 0 8 0 namei 1024 548906 0 548905 16 15 1 2 0 8 0 percpumem 16 759 0 723 1 0 1 1 0 8 0 vcpupl 2048 447 0 0 56 0 56 56 0 8 0 vmpool 560 512 0 65 33 1 32 32 0 8 0 pfiaddrpl 120 538 0 445 5 2 3 3 0 8 0 scsiplug 72 12 0 12 4 4 0 1 0 8 0 scxspl 216 415247 0 415247 37 36 1 8 0 8 1 plimitpl 152 5585 0 5574 1 0 1 1 0 8 0 sigapl 424 50804 0 50746 11 4 7 7 0 8 0 futexpl 64 505500 0 505498 18 17 1 1 0 8 0 knotepl 112 480 0 0 4 0 4 4 0 8 0 kqueuepl 216 12424 0 12389 278 272 6 10 0 8 4 pipepl 336 10884 0 10868 295 293 2 12 0 8 0 fdescpl 496 50697 0 50675 7 4 3 4 0 8 0 filepl 152 410500 0 410344 721 708 13 25 0 8 7 lockfpl 104 14367 0 14365 20 19 1 2 0 8 0 lockfspl 48 4390 0 4388 1 0 1 1 0 8 0 sessionpl 144 231 0 218 1 0 1 1 0 8 0 pgrppl 48 4680 0 4667 1 0 1 1 0 8 0 ucredpl 96 46626 0 46610 1 0 1 1 0 8 0 zombiepl 144 50746 0 50746 4 3 1 1 0 8 1 processpl 1064 50804 0 50746 4 0 4 4 0 8 0 procpl 672 125667 0 125598 37 30 7 8 0 8 0 srpgc 96 274 0 274 58 58 0 1 0 8 0 sosppl 168 346 0 346 64 64 0 1 0 8 0 sockpl 480 98917 0 98891 2252 2240 12 38 0 8 8 mcl64k 65536 16 0 0 2 0 2 2 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 11 0 0 2 0 2 2 0 8 0 mcl4k 4096 7 0 0 1 0 1 1 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 861 0 0 65 19 46 54 0 8 0 mtagpl 96 2587 0 0 23 17 6 16 0 8 0 mbufpl 256 20114 0 0 1136 1 1135 1135 0 8 0 bufpl 288 82905 0 76607 454 0 454 454 0 8 0 anonpl 24 14013278 0 13990214 425 256 169 192 0 186 0 amapchunkpl 152 1516440 0 1515580 344 307 37 51 0 158 0 amappl16 200 140127 0 139076 564 508 56 70 0 8 0 amappl15 192 8964 0 8964 15 15 0 1 0 8 0 amappl14 184 9858 0 9855 7 6 1 1 0 8 0 amappl13 176 5417 0 5415 1 0 1 1 0 8 0 amappl12 168 6450 0 6446 1 0 1 1 0 8 0 amappl11 160 7423 0 7407 1 0 1 1 0 8 0 amappl10 152 4959 0 4948 1 0 1 1 0 8 0 amappl9 144 6621 0 6618 1 0 1 1 0 8 0 amappl8 136 9156 0 9009 6 0 6 6 0 8 0 amappl7 128 5750 0 5734 1 0 1 1 0 8 0 amappl6 120 7514 0 7486 1 0 1 1 0 8 0 amappl5 112 45191 0 45164 1 0 1 1 0 8 0 amappl4 104 17208 0 17171 4 2 2 2 0 8 0 amappl3 96 12127 0 12106 1 0 1 1 0 8 0 amappl2 88 9976 0 9919 4 2 2 2 0 8 0 amappl1 80 884361 0 883860 14 2 12 13 0 8 0 amappl 88 608399 0 608053 12 3 9 9 0 92 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 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 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 18 0 17 1 0 1 1 0 8 0 aobjpl 72 145 0 15 3 0 3 3 0 8 0 uaddrrnd 24 51209 0 50740 3 0 3 3 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 51209 0 50740 3 0 3 3 0 8 0 vmmpekpl 168 301763 0 301696 4 0 4 4 0 8 0 vmmpepl 168 4645759 0 4642171 1670 1495 175 203 0 357 0 vmsppl 368 51208 0 50740 44 1 43 43 0 8 0 rwobjpl 56 1055767 0 1047306 192 72 120 124 0 8 0 pdppl 4096 102426 0 101927 717 216 501 503 0 8 2 pvpl 32 23810549 0 23787072 773 547 226 268 0 265 0 pmappl 248 51208 0 50740 31 1 30 30 0 8 0 extentpl 40 57 0 38 1 0 1 1 0 8 0 phpool 112 3782 0 1298 72 0 72 72 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff8247c2e6) at panic+0x177 sys/kern/subr_prf.c:202 ufs_lookup() at ufs_lookup+0x174c ufs_dirbad sys/ufs/ufs/ufs_lookup.c:609 [inline] ufs_lookup() at ufs_lookup+0x174c sys/ufs/ufs/ufs_lookup.c:444 VOP_LOOKUP(fffffd806efb1ab8,ffff8000211dc9b8,ffff8000211dc9e8) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 vfs_lookup(ffff8000211dc988) at vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 namei(ffff8000211dc988) at namei+0x36a sys/kern/vfs_lookup.c:245 vn_open(ffff8000211dc988,1,0) at vn_open+0x105 sys/kern/vfs_vnops.c:146 doopenat(ffff800021193ce8,ffffff9c,7f7ffffe6b30,0,0,ffff8000211dcb70) at doopenat+0x26a sys/kern/vfs_syscalls.c:1128 syscall(ffff8000211dcbe0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000211dcbe0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe6b20, count: -10 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020d38ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020d38ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800020d38ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020d38ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: -5