panic: bad dir Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *426988 11394 0 0 0 0K dhcpleased db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff8247ee87) 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(fffffd80738909d8,ffff8000211dca38,ffff8000211dca68) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 vfs_lookup(ffff8000211dca08) at vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 namei(ffff8000211dca08) at namei+0x36a sys/kern/vfs_lookup.c:245 vn_open(ffff8000211dca08,1,0) at vn_open+0x105 sys/kern/vfs_vnops.c:146 doopenat(ffff800021193ce8,ffffff9c,7f7ffffbfa80,0,0,ffff8000211dcbf0) at doopenat+0x26a sys/kern/vfs_syscalls.c:1128 syscall(ffff8000211dcc60) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000211dcc60) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffbfa70, 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(ffffffff8247ee87) 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(fffffd80738909d8,ffff8000211dca38,ffff8000211dca68) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 vfs_lookup(ffff8000211dca08) at vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 namei(ffff8000211dca08) at namei+0x36a sys/kern/vfs_lookup.c:245 vn_open(ffff8000211dca08,1,0) at vn_open+0x105 sys/kern/vfs_vnops.c:146 doopenat(ffff800021193ce8,ffffff9c,7f7ffffbfa80,0,0,ffff8000211dcbf0) at doopenat+0x26a sys/kern/vfs_syscalls.c:1128 syscall(ffff8000211dcc60) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000211dcc60) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffbfa70, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000211dc4c0 rbx 0xffffffff827d0bff cpu_info_full_primary+0x2bff rdx 0 rcx 0 rax 0xffff800021193ce8 r8 0x101010101010101 r9 0x8080808080808080 r10 0xfbd96f7b8a974c8b r11 0x578ff6137de1f362 r12 0xffffffff827d0a00 cpu_info_full_primary+0x2a00 r13 0 r14 0 r15 0x1 rip 0xffffffff815ada48 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000211dc4b0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (dhcpleased) pid=426988 stat=onproc flags process=0 proc=0 pri=17, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800021193268,0xffff8000ffff7520 process=0xffff8000ffffa148 user=0xffff8000211d7000, vmspace=0xfffffd8008586450 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 61918 121115 34820 0 3 0x3000 suspend syz-executor.3 61918 223165 34820 0 2 0x4081080 syz-executor.3 39300 505608 71802 0 2 0 syz-executor.0 48672 287554 80973 0 2 0 syz-executor.2 48672 109239 80973 0 3 0x4000080 fsleep syz-executor.2 48672 256084 80973 0 3 0x4000080 fsleep syz-executor.2 50491 126765 94681 0 2 0x2 syz-executor.1 71802 150205 94681 0 3 0x82 nanoslp syz-executor.0 34820 404781 94681 0 3 0x82 nanoslp syz-executor.3 44662 199371 0 0 3 0x14200 acct acct 80973 261851 94681 0 3 0x82 nanoslp syz-executor.2 63744 118099 1 0 3 0x100083 ttyopn getty 50962 485505 0 0 3 0x14200 bored sosplice 94681 99286 35653 0 3 0x82 thrsleep syz-fuzzer 94681 307458 35653 0 3 0x4000082 nanoslp syz-fuzzer 94681 59693 35653 0 3 0x4000082 thrsleep syz-fuzzer 94681 182893 35653 0 3 0x4000082 thrsleep syz-fuzzer 94681 240834 35653 0 3 0x4000082 nanoslp syz-fuzzer 94681 440882 35653 0 3 0x4000082 thrsleep syz-fuzzer 94681 184388 35653 0 3 0x4000082 kqread syz-fuzzer 94681 144310 35653 0 3 0x4000082 thrsleep syz-fuzzer 35653 14723 91487 0 3 0x10008a sigsusp ksh 91487 73172 8906 0 3 0x9a poll sshd 8906 207632 1 0 3 0x88 poll sshd 95737 201113 3218 74 3 0x100092 bpf pflogd 3218 130329 1 0 3 0x80 netio pflogd 90198 60247 41699 73 3 0x100090 kqread syslogd 41699 59646 1 0 3 0x100082 netio syslogd 71565 426668 1 0 3 0x100080 kqread resolvd 49057 231856 11394 77 3 0x100092 kqread dhcpleased 30395 119596 11394 77 3 0x100092 kqread dhcpleased *11394 426988 1 0 7 0 dhcpleased 31880 170135 0 0 3 0x14200 bored smr 10667 27644 0 0 2 0x14200 zerothread 80675 220894 0 0 3 0x14200 aiodoned aiodoned 72719 499196 0 0 3 0x14200 syncer update 60546 98494 0 0 3 0x14200 cleaner cleaner 63940 329119 0 0 3 0x14200 reaper reaper 46948 456055 0 0 3 0x14200 pgdaemon pagedaemon 400 346032 0 0 3 0x14200 bored viomb 55257 38007 0 0 3 0x40014200 acpi0 acpi0 47904 271303 0 0 7 0x40014200 idle1 1852 37883 0 0 3 0x14200 bored softnet 39757 96445 0 0 3 0x14200 bored systqmp 37334 520829 0 0 3 0x14200 bored systq 63391 34827 0 0 3 0x40014200 bored softclock 48729 106100 0 0 3 0x40014200 idle0 1 464311 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 50491 (syz-executor.1) thread 0xffff80002123ed30 (126765) exclusive rrwlock inode r = 0 (0xfffffd806e24cc48) #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 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1347 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3100 #10 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8074586d60) #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 domkdirat+0x75 sys/kern/vfs_syscalls.c:3085 #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 11394 (dhcpleased) thread 0xffff800021193ce8 (426988) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828cff68) #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 (0xfffffd806f1120a0) #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 10222 6640K 14694K 78643K 85786 0 pcb 13 18K 20K 78643K 3677 0 rtable 178 27K 30K 78643K 5967 0 ifaddr 87 22K 23K 78643K 2429 0 sysctl 3 1K 3K 78643K 6 0 counters 48 34K 35K 78643K 470 0 ioctlops 0 0K 4K 78643K 8062 0 iov 0 0K 32K 78643K 2014 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1472 92K 93K 78643K 21418 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 169 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 3111 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 9 29K 49K 78643K 20095 0 sigio 0 0K 0K 78643K 468 0 proc 72 87K 111K 78643K 2728 0 subproc 52 3K 3K 78643K 835 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 6988 0 in_multi 35 2K 3K 78643K 1604 0 ether_multi 1 0K 0K 78643K 288 0 mrt 2 0K 0K 78643K 94 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 241 1076K 1076K 78643K 241 0 exec 0 0K 2K 78643K 3954 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 558 1227K 1230K 78643K 243870 0 UVM aobj 131 4K 4K 78643K 134 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 1488 0 NDP 10 0K 1K 78643K 386 0 temp 124 4238K 4318K 78643K 231226 0 kqueue 10 14K 24K 78643K 707 0 SYN cache 2 8K 16K 78643K 3 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 1145 0 1142 15 14 1 3 0 8 0 rtentry 112 1181 0 1137 4 2 2 3 0 8 0 unpcb 136 9155 0 9138 111 108 3 6 0 8 2 syncache 296 27 0 27 9 9 0 1 0 8 0 tcpqe 32 43 0 43 3 3 0 1 0 8 0 tcpcb 736 8211 0 8205 256 251 5 15 0 8 3 arp 120 164 0 157 1 0 1 1 0 8 0 inpcb 304 26509 0 26501 290 286 4 11 0 8 3 rttmr 72 31 0 31 10 10 0 1 0 8 0 nd6 48 283 0 271 1 0 1 1 0 8 0 pkpcb 40 157 0 157 12 12 0 1 0 8 0 kcovpl 48 63 0 59 1 0 1 1 0 8 0 ppxss 1248 30 0 30 9 9 0 1 0 8 0 pfstscr 40 212 0 212 9 9 0 1 0 8 0 pffrag 232 147 0 146 12 11 1 1 0 482 0 pffrnode 88 147 0 146 12 11 1 1 0 8 0 pffrent 40 3993 0 3992 13 12 1 1 0 8 0 pfosfp 40 1435 0 1011 5 0 5 5 0 8 0 pfosfpen 112 1435 0 720 21 0 21 21 0 8 0 pfrktable 1344 1166 0 1138 14 11 3 3 0 8 0 pftag 88 25 0 20 4 3 1 1 0 8 0 pfqueue 264 4 0 4 1 1 0 1 0 8 0 pfstitem 24 70 0 67 1 0 1 1 0 8 0 pfstkey 112 400 0 397 1 0 1 1 0 8 0 pfstate 320 228 0 225 3 2 1 3 0 8 0 pfrule 1360 2068 0 1929 14 2 12 12 0 8 0 art_heap8 4096 6 0 4 3 1 2 3 0 8 0 art_heap4 256 4561 0 4351 35 20 15 19 0 8 0 art_table 32 4567 0 4355 3 0 3 3 0 8 0 art_node 16 1177 0 1140 1 0 1 1 0 8 0 sysvmsgpl 40 33 0 1 1 0 1 1 0 8 0 semapl 112 3109 0 3099 1 0 1 1 0 8 0 shmpl 112 131 0 3 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 26236 0 24772 92 0 92 92 0 8 0 ffsino 272 26236 0 24772 98 0 98 98 0 8 0 nchpl 144 51461 0 49866 61 0 61 61 0 8 0 uvmvnodes 80 6729 0 0 138 0 138 138 0 8 0 vnodes 224 6729 0 0 396 0 396 396 0 8 0 namei 1024 190742 0 190740 14 13 1 2 0 8 0 percpumem 16 247 0 211 1 0 1 1 0 8 0 vcpupl 2048 97 0 0 13 0 13 13 0 8 0 vmpool 560 164 0 67 10 3 7 7 0 8 0 pfiaddrpl 120 388 0 325 3 1 2 2 0 8 0 scsiplug 72 9 0 9 3 3 0 1 0 8 0 scxspl 216 182453 0 182453 18 17 1 8 0 8 1 plimitpl 152 2091 0 2080 1 0 1 1 0 8 0 sigapl 424 20183 0 20145 7 1 6 7 0 8 0 futexpl 64 202975 0 202972 17 16 1 1 0 8 0 knotepl 112 131 0 0 3 0 3 3 0 8 0 kqueuepl 216 3783 0 3777 85 84 1 6 0 8 0 pipepl 336 3464 0 3448 109 107 2 7 0 8 0 fdescpl 496 20143 0 20121 5 2 3 4 0 8 0 filepl 152 137371 0 137214 253 242 11 17 0 8 4 lockfpl 104 4156 0 4154 5 4 1 2 0 8 0 lockfspl 48 1362 0 1360 1 0 1 1 0 8 0 sessionpl 144 80 0 67 1 0 1 1 0 8 0 pgrppl 48 104 0 91 1 0 1 1 0 8 0 ucredpl 96 12941 0 12923 1 0 1 1 0 8 0 zombiepl 144 20145 0 20145 2 1 1 1 0 8 1 processpl 1064 20183 0 20145 4 1 3 4 0 8 0 procpl 672 49555 0 49507 33 27 6 8 0 8 1 srpgc 96 82 0 82 17 17 0 1 0 8 0 sosppl 168 127 0 127 26 25 1 1 0 8 1 sockpl 480 36985 0 36957 695 683 12 29 0 8 7 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 9 0 0 2 0 2 2 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 451 0 0 24 7 17 24 0 8 0 mtagpl 96 1729 0 0 25 0 25 25 0 8 0 mbufpl 256 7107 0 0 391 0 391 391 0 8 0 bufpl 288 33607 0 27240 481 3 478 481 0 8 0 anonpl 24 5570173 0 5545322 388 235 153 176 0 186 0 amapchunkpl 152 594125 0 593362 135 101 34 43 0 158 0 amappl16 200 52902 0 51781 221 158 63 71 0 8 0 amappl15 192 3292 0 3290 9 8 1 1 0 8 0 amappl14 184 3421 0 3418 4 3 1 1 0 8 0 amappl13 176 2848 0 2847 1 0 1 1 0 8 0 amappl12 168 1521 0 1514 1 0 1 1 0 8 0 amappl11 160 5299 0 5283 1 0 1 1 0 8 0 amappl10 152 1570 0 1561 1 0 1 1 0 8 0 amappl9 144 2901 0 2897 1 0 1 1 0 8 0 amappl8 136 3108 0 2996 4 0 4 4 0 8 0 amappl7 128 1751 0 1740 1 0 1 1 0 8 0 amappl6 120 2922 0 2902 1 0 1 1 0 8 0 amappl5 112 15036 0 15013 1 0 1 1 0 8 0 amappl4 104 11012 0 10981 1 0 1 1 0 8 0 amappl3 96 5293 0 5271 1 0 1 1 0 8 0 amappl2 88 4351 0 4288 2 0 2 2 0 8 0 amappl1 80 354806 0 354306 13 1 12 13 0 8 0 amappl 88 242079 0 241786 8 1 7 7 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 72 133 0 3 3 0 3 3 0 8 0 uaddrrnd 24 20307 0 20188 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 20307 0 20188 1 0 1 1 0 8 0 vmmpekpl 168 126270 0 126210 3 0 3 3 0 8 0 vmmpepl 168 1812557 0 1809617 687 532 155 159 0 357 18 vmsppl 368 20306 0 20188 13 2 11 11 0 8 0 rwobjpl 56 422760 0 413762 160 32 128 130 0 8 0 pdppl 4096 40622 0 40473 255 104 151 151 0 8 2 pvpl 32 9583914 0 9561597 610 408 202 258 0 265 0 pmappl 248 20306 0 20188 9 1 8 8 0 8 0 extentpl 40 57 0 38 1 0 1 1 0 8 0 phpool 112 1809 0 512 38 0 38 38 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(ffffffff8247ee87) 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(fffffd80738909d8,ffff8000211dca38,ffff8000211dca68) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 vfs_lookup(ffff8000211dca08) at vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 namei(ffff8000211dca08) at namei+0x36a sys/kern/vfs_lookup.c:245 vn_open(ffff8000211dca08,1,0) at vn_open+0x105 sys/kern/vfs_vnops.c:146 doopenat(ffff800021193ce8,ffffff9c,7f7ffffbfa80,0,0,ffff8000211dcbf0) at doopenat+0x26a sys/kern/vfs_syscalls.c:1128 syscall(ffff8000211dcc60) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000211dcc60) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffbfa70, 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