panic: bad dir Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 22875 19129 0 0 0 0K dhcpleased db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff824818ff) 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(fffffd806f15b8f8,ffff8000211dc068,ffff8000211dc098) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 vfs_lookup(ffff8000211dc038) at vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 namei(ffff8000211dc038) at namei+0x36a sys/kern/vfs_lookup.c:245 vn_open(ffff8000211dc038,1,0) at vn_open+0x105 sys/kern/vfs_vnops.c:146 doopenat(ffff8000211937a8,ffffff9c,7f7ffffcbbf0,0,0,ffff8000211dc220) at doopenat+0x26a sys/kern/vfs_syscalls.c:1128 syscall(ffff8000211dc290) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000211dc290) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffcbbe0, 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(ffffffff824818ff) 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(fffffd806f15b8f8,ffff8000211dc068,ffff8000211dc098) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 vfs_lookup(ffff8000211dc038) at vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 namei(ffff8000211dc038) at namei+0x36a sys/kern/vfs_lookup.c:245 vn_open(ffff8000211dc038,1,0) at vn_open+0x105 sys/kern/vfs_vnops.c:146 doopenat(ffff8000211937a8,ffffff9c,7f7ffffcbbf0,0,0,ffff8000211dc220) at doopenat+0x26a sys/kern/vfs_syscalls.c:1128 syscall(ffff8000211dc290) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000211dc290) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffcbbe0, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000211dbaf0 rbx 0xffffffff82774bff cpu_info_full_primary+0x2bff rdx 0 rcx 0 rax 0xffff8000211937a8 r8 0 r9 0x8080808080808080 r10 0x401caf0e361db063 r11 0x1ae3a7f2c7c6d581 r12 0xffffffff82774a00 cpu_info_full_primary+0x2a00 r13 0 r14 0 r15 0x1 rip 0xffffffff8207c658 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000211dbae0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (dhcpleased) pid=22875 stat=onproc flags process=0 proc=0 pri=17, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff8000211927e8,0xffff8000ffff6fe0 process=0xffff8000ffff8c80 user=0xffff8000211d7000, vmspace=0xfffffd800858aa10 estcpu=1, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 9424 403871 58839 0 2 0 syz-executor.2 9424 107745 58839 0 2 0x4000000 syz-executor.2 12485 174743 62870 0 2 0 syz-executor.3 12485 353815 62870 0 3 0x4000080 fsleep syz-executor.3 53239 71505 46940 0 2 0 syz-executor.0 53239 226862 46940 0 3 0x4000080 fsleep syz-executor.0 53239 477664 46940 0 3 0x4000080 fsleep syz-executor.0 20281 253700 50238 0 3 0x82 nanoslp syz-executor.1 58839 165489 50238 0 3 0x82 nanoslp syz-executor.2 46940 58535 50238 0 3 0x82 nanoslp syz-executor.0 97598 473542 0 0 3 0x14200 acct acct 62870 503198 50238 0 2 0x482 syz-executor.3 90319 394012 0 0 3 0x14280 nfsidl nfsio 78353 60890 0 0 3 0x14280 nfsidl nfsio 82313 479201 0 0 3 0x14280 nfsidl nfsio 48786 216193 0 0 3 0x14280 nfsidl nfsio 97289 471024 0 0 3 0x14280 nfsidl nfsio 557 52203 0 0 3 0x14280 nfsidl nfsio 51527 135178 0 0 3 0x14280 nfsidl nfsio 86841 485356 0 0 3 0x14280 nfsidl nfsio 99166 480601 0 0 3 0x14280 nfsidl nfsio 83073 367937 0 0 3 0x14280 nfsidl nfsio 23311 175748 0 0 3 0x14280 nfsidl nfsio 64022 473106 0 0 3 0x14280 nfsidl nfsio 98356 360608 0 0 3 0x14280 nfsidl nfsio 2790 285883 0 0 3 0x14280 nfsidl nfsio 9486 265181 0 0 3 0x14280 nfsidl nfsio 68914 235637 0 0 3 0x14280 nfsidl nfsio 58645 139499 0 0 3 0x14280 nfsidl nfsio 73117 481735 0 0 3 0x14280 nfsidl nfsio 62775 224126 0 0 3 0x14280 nfsidl nfsio 99917 227564 0 0 3 0x14280 nfsidl nfsio 1287 106423 0 0 3 0x14200 bored sosplice 50238 381651 64984 0 3 0x82 thrsleep syz-fuzzer 50238 160542 64984 0 2 0x4000482 syz-fuzzer 50238 84217 64984 0 3 0x4000082 thrsleep syz-fuzzer 50238 420177 64984 0 3 0x4000082 thrsleep syz-fuzzer 50238 409108 64984 0 3 0x4000082 thrsleep syz-fuzzer 50238 31584 64984 0 3 0x4000082 kqread syz-fuzzer 50238 34949 64984 0 3 0x4000082 thrsleep syz-fuzzer 50238 25192 64984 0 3 0x4000082 thrsleep syz-fuzzer 64984 324608 30879 0 3 0x10008a sigsusp ksh 30879 391704 60299 0 3 0x9a poll sshd 16928 358010 1 0 3 0x100083 ttyin getty 60299 297382 1 0 3 0x88 poll sshd 22019 187971 44959 74 3 0x100092 bpf pflogd 44959 52701 1 0 3 0x80 netio pflogd 75640 111019 65904 73 3 0x100090 kqread syslogd 65904 501983 1 0 3 0x100082 netio syslogd 71502 101768 1 0 3 0x100080 kqread resolvd 73417 143150 19129 77 3 0x100092 kqread dhcpleased 2299 143970 19129 77 3 0x100092 kqread dhcpleased *19129 22875 1 0 7 0 dhcpleased 18928 194575 0 0 3 0x14200 bored smr 55333 346558 0 0 2 0x14200 zerothread 10132 2056 0 0 3 0x14200 aiodoned aiodoned 40832 414154 0 0 3 0x14200 syncer update 35296 286970 0 0 3 0x14200 cleaner cleaner 91029 165965 0 0 3 0x14200 reaper reaper 95613 203443 0 0 3 0x14200 pgdaemon pagedaemon 19785 301082 0 0 3 0x14200 bored viomb 76925 225866 0 0 3 0x40014200 acpi0 acpi0 3095 331717 0 0 7 0x40014200 idle1 61406 143208 0 0 3 0x14200 bored softnet 69424 184390 0 0 3 0x14200 bored systqmp 8334 326666 0 0 3 0x14200 bored systq 4894 434865 0 0 2 0x40014200 softclock 14425 231098 0 0 3 0x40014200 idle0 1 101328 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 19129 (dhcpleased) thread 0xffff8000211937a8 (22875) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828752a0) #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 (0xfffffd806f1121b0) #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 10226 6516K 7066K 78643K 87146 0 pcb 14 24K 29K 78643K 37031 0 rtable 149 16K 17K 78643K 10191 0 ifaddr 65 25K 32K 78643K 3860 0 sysctl 3 1K 5K 78643K 7 0 counters 46 34K 35K 78643K 1402 0 ioctlops 0 0K 8K 78643K 18768 0 iov 0 0K 24K 78643K 3642 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1502 94K 95K 78643K 28094 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 401 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 5718 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 9 29K 45K 78643K 43147 0 sigio 0 0K 0K 78643K 582 0 proc 152 92K 116K 78643K 8338 0 subproc 52 6K 8K 78643K 3062 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 3038 0 in_multi 31 2K 3K 78643K 4595 0 ether_multi 1 0K 0K 78643K 706 0 mrt 2 0K 0K 78643K 120 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 307 1367K 1367K 78643K 307 0 exec 0 0K 2K 78643K 10246 0 pfkey data 0 0K 0K 78643K 53 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 712 1990K 2006K 78643K 515785 0 UVM aobj 131 4K 4K 78643K 147 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 2868 0 NDP 9 0K 1K 78643K 1260 0 temp 108 4214K 8318K 78643K 537685 0 kqueue 10 14K 22K 78643K 1891 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 3537 0 3534 46 45 1 3 0 8 0 rtentry 112 3517 0 3465 2 0 2 2 0 8 0 unpcb 136 32126 0 32111 358 355 3 9 0 8 2 syncache 296 48 0 48 16 16 0 1 0 8 0 tcpqe 32 81 109 81 4 4 0 1 0 8 0 tcpcb 736 26614 0 26609 747 745 2 41 0 8 0 arp 120 558 0 549 1 0 1 1 0 8 0 inpcb 304 114766 0 114756 820 811 9 22 0 8 8 rttmr 72 26 0 26 7 7 0 1 0 8 0 nd6 48 849 0 841 1 0 1 1 0 8 0 pkpcb 40 433 0 433 34 34 0 1 0 8 0 kcovpl 48 229 0 225 1 0 1 1 0 8 0 ppxss 1248 175 0 175 43 43 0 1 0 8 0 pfstscr 40 4 0 4 1 1 0 1 0 8 0 pffrag 232 316 0 316 27 27 0 1 0 482 0 pffrnode 88 316 0 316 27 27 0 1 0 8 0 pffrent 40 2025 0 2025 27 27 0 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 pfrke_plain 168 14 0 14 7 7 0 1 0 8 0 pfrktable 1344 94 0 88 2 1 1 1 0 8 0 pftag 88 10 0 10 3 3 0 1 0 8 0 pfstitem 24 29 0 27 1 0 1 1 0 8 0 pfstkey 112 37 0 35 1 0 1 1 0 8 0 pfstate 320 33 0 31 2 1 1 2 0 8 0 pfrule 1360 155 0 112 10 6 4 4 0 8 0 art_heap8 4096 4 0 2 4 2 2 3 0 8 0 art_heap4 256 14313 0 14127 84 68 16 19 0 8 0 art_table 32 14317 0 14129 5 2 3 3 0 8 0 art_node 16 3375 0 3333 1 0 1 1 0 8 0 sysvmsgpl 40 35 0 17 2 1 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 5716 0 5706 1 0 1 1 0 8 0 shmpl 112 144 0 16 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 56022 0 54479 97 0 97 97 0 8 0 ffsino 272 56022 0 54479 104 0 104 104 0 8 0 nchpl 144 108458 0 106861 61 0 61 61 0 8 0 rtmask 32 28 0 28 7 7 0 1 0 8 0 uvmvnodes 80 45940 0 0 938 0 938 938 0 8 0 vnodes 224 45940 0 0 2703 0 2703 2703 0 8 0 namei 1024 386782 0 386781 12 11 1 2 0 8 0 percpumem 16 713 0 678 1 0 1 1 0 8 0 vcpupl 2048 406 0 2 51 0 51 51 0 8 0 vmpool 560 514 0 110 29 0 29 29 0 8 0 pfiaddrpl 120 31 0 19 2 1 1 1 0 8 0 scsiplug 72 42 0 42 12 11 1 1 0 8 1 scxspl 216 338356 0 338356 39 38 1 8 0 8 1 plimitpl 152 5610 0 5599 1 0 1 1 0 8 0 sigapl 424 42768 0 42710 9 2 7 7 0 8 0 futexpl 64 452489 0 452486 12 11 1 1 0 8 0 knotepl 112 320 0 0 4 0 4 4 0 8 0 kqueuepl 216 9348 0 9336 223 221 2 8 0 8 1 pipepl 336 8440 0 8424 226 223 3 12 0 8 1 fdescpl 496 42696 0 42674 13 10 3 4 0 8 0 filepl 152 345638 0 345481 547 532 15 20 0 8 8 lockfpl 104 10941 0 10939 22 19 3 3 0 8 2 lockfspl 48 3653 0 3651 1 0 1 1 0 8 0 sessionpl 144 245 0 232 1 0 1 1 0 8 0 pgrppl 48 431 0 418 1 0 1 1 0 8 0 ucredpl 96 37908 0 37894 1 0 1 1 0 8 0 zombiepl 144 42710 0 42709 3 2 1 1 0 8 0 processpl 1064 42768 0 42709 12 8 4 5 0 8 0 procpl 672 107933 0 107863 72 64 8 8 0 8 1 srpgc 96 313 0 313 62 61 1 1 0 8 1 sosppl 168 373 0 373 56 56 0 1 0 8 0 sockpl 480 151324 0 151296 2435 2418 17 37 0 8 13 mcl64k 65536 26 0 0 3 0 3 3 0 8 0 mcl16k 16384 16 0 0 2 0 2 2 0 8 0 mcl12k 12288 33 0 0 2 0 2 2 0 8 0 mcl9k 9216 12 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 33 0 0 4 1 3 3 0 8 0 mcl2k2 2112 9 0 0 1 0 1 1 0 8 0 mcl2k 2048 467 0 0 25 7 18 22 0 8 0 mtagpl 96 2190 0 0 18 9 9 14 0 8 0 mbufpl 256 10837 0 0 542 0 542 542 0 8 0 bufpl 288 72882 0 66694 454 3 451 454 0 8 0 anonpl 24 11810367 0 11779551 649 449 200 222 0 186 0 amapchunkpl 152 1260244 0 1259116 317 271 46 58 0 158 0 amappl16 200 113230 0 112077 394 329 65 74 0 8 0 amappl15 192 8017 0 8014 12 11 1 1 0 8 0 amappl14 184 6033 0 6028 1 0 1 1 0 8 0 amappl13 176 6677 0 6676 1 0 1 1 0 8 0 amappl12 168 5795 0 5792 1 0 1 1 0 8 0 amappl11 160 2751 0 2737 1 0 1 1 0 8 0 amappl10 152 7952 0 7942 1 0 1 1 0 8 0 amappl9 144 5395 0 5391 1 0 1 1 0 8 0 amappl8 136 8225 0 8051 8 1 7 7 0 8 0 amappl7 128 4570 0 4556 1 0 1 1 0 8 0 amappl6 120 6393 0 6367 1 0 1 1 0 8 0 amappl5 112 41058 0 41039 1 0 1 1 0 8 0 amappl4 104 12722 0 12683 2 0 2 2 0 8 0 amappl3 96 11779 0 11763 1 0 1 1 0 8 0 amappl2 88 10995 0 10926 4 2 2 2 0 8 0 amappl1 80 752141 0 751638 14 3 11 13 0 8 0 amappl 88 511048 0 510701 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 72 146 0 16 3 0 3 3 0 8 0 uaddrrnd 24 43210 0 42784 3 0 3 3 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 43210 0 42784 3 0 3 3 0 8 0 vmmpekpl 168 262555 0 262477 4 0 4 4 0 8 0 vmmpepl 168 3943344 0 3939548 1443 1241 202 215 0 357 21 vmsppl 368 43209 0 42784 40 1 39 39 0 8 0 rwobjpl 56 942152 0 893787 721 39 682 682 0 8 0 pdppl 4096 86428 0 85972 669 211 458 460 0 8 2 pvpl 32 20245623 0 20222714 858 648 210 264 0 265 0 pmappl 248 43209 0 42784 27 0 27 27 0 8 0 extentpl 40 57 0 38 1 0 1 1 0 8 0 phpool 112 3083 0 1280 52 0 52 52 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(ffffffff824818ff) 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(fffffd806f15b8f8,ffff8000211dc068,ffff8000211dc098) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 vfs_lookup(ffff8000211dc038) at vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 namei(ffff8000211dc038) at namei+0x36a sys/kern/vfs_lookup.c:245 vn_open(ffff8000211dc038,1,0) at vn_open+0x105 sys/kern/vfs_vnops.c:146 doopenat(ffff8000211937a8,ffffff9c,7f7ffffcbbf0,0,0,ffff8000211dc220) at doopenat+0x26a sys/kern/vfs_syscalls.c:1128 syscall(ffff8000211dc290) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000211dc290) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffcbbe0, 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