panic: bad dir Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *183796 8928 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(fffffd806ef033b8,ffff8000211dcbd8,ffff8000211dcc08) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 vfs_lookup(ffff8000211dcba8) at vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 namei(ffff8000211dcba8) at namei+0x36a sys/kern/vfs_lookup.c:245 vn_open(ffff8000211dcba8,1,0) at vn_open+0x105 sys/kern/vfs_vnops.c:146 doopenat(ffff800021193508,ffffff9c,7f7fffff6ec0,0,0,ffff8000211dcd90) at doopenat+0x26a sys/kern/vfs_syscalls.c:1128 syscall(ffff8000211dce00) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000211dce00) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff6eb0, 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(fffffd806ef033b8,ffff8000211dcbd8,ffff8000211dcc08) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 vfs_lookup(ffff8000211dcba8) at vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 namei(ffff8000211dcba8) at namei+0x36a sys/kern/vfs_lookup.c:245 vn_open(ffff8000211dcba8,1,0) at vn_open+0x105 sys/kern/vfs_vnops.c:146 doopenat(ffff800021193508,ffffff9c,7f7fffff6ec0,0,0,ffff8000211dcd90) at doopenat+0x26a sys/kern/vfs_syscalls.c:1128 syscall(ffff8000211dce00) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000211dce00) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff6eb0, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000211dc660 rbx 0xffffffff827d0bff cpu_info_full_primary+0x2bff rdx 0 rcx 0 rax 0xffff800021193508 r8 0x101010101010101 r9 0x8080808080808080 r10 0x6e52cca3c125083a r11 0x7c7338489eb0846 r12 0xffffffff827d0a00 cpu_info_full_primary+0x2a00 r13 0 r14 0 r15 0x1 rip 0xffffffff815ada48 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000211dc650 ss 0 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (dhcpleased) pid=183796 stat=onproc flags process=0 proc=0 pri=17, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800021192fc8,0xffff8000ffff7d00 process=0xffff8000ffff94d0 user=0xffff8000211d7000, vmspace=0xfffffd80085868a0 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 57970 52051 40256 0 2 0 syz-executor.2 57970 418070 40256 0 2 0x4000000 syz-executor.2 71219 149148 2250 0 2 0 syz-executor.0 71219 268698 2250 0 2 0x4000000 syz-executor.0 2250 359548 94955 0 3 0x82 nanoslp syz-executor.0 63022 39331 94955 0 2 0x2 syz-executor.1 82211 186730 94955 0 2 0x482 syz-executor.3 82546 220817 0 0 3 0x14200 acct acct 40256 138917 94955 0 2 0x482 syz-executor.2 76948 37781 0 0 3 0x14200 bored sosplice 77282 74451 1 0 3 0x100083 ttyin getty 94955 283374 31657 0 3 0x82 thrsleep syz-fuzzer 94955 105705 31657 0 2 0x4000002 syz-fuzzer 94955 336198 31657 0 3 0x4000082 thrsleep syz-fuzzer 94955 500993 31657 0 3 0x4000082 thrsleep syz-fuzzer 94955 78248 31657 0 3 0x4000082 kqread syz-fuzzer 94955 338510 31657 0 3 0x4000082 nanoslp syz-fuzzer 94955 391223 31657 0 3 0x4000082 thrsleep syz-fuzzer 94955 224320 31657 0 3 0x4000082 thrsleep syz-fuzzer 31657 423120 95228 0 3 0x10008a sigsusp ksh 95228 517382 9604 0 3 0x9a poll sshd 9604 58089 1 0 3 0x88 poll sshd 23651 204958 25448 74 3 0x100092 bpf pflogd 25448 386520 1 0 3 0x80 netio pflogd 51465 311362 99881 73 3 0x100090 kqread syslogd 99881 303679 1 0 3 0x100082 netio syslogd 19221 117636 1 0 3 0x100080 kqread resolvd 49837 459870 8928 77 3 0x100092 kqread dhcpleased 30581 491589 8928 77 3 0x100092 kqread dhcpleased * 8928 183796 1 0 7 0 dhcpleased 71891 404604 0 0 3 0x14200 bored smr 75 314283 0 0 2 0x14200 zerothread 69234 365877 0 0 3 0x14200 aiodoned aiodoned 69511 20913 0 0 3 0x14200 syncer update 74662 454036 0 0 3 0x14200 cleaner cleaner 24363 518189 0 0 3 0x14200 reaper reaper 42669 211896 0 0 3 0x14200 pgdaemon pagedaemon 20824 462039 0 0 3 0x14200 bored viomb 32137 351838 0 0 3 0x40014200 acpi0 acpi0 89359 331651 0 0 7 0x40014200 idle1 13201 204693 0 0 3 0x14200 bored softnet 72940 117325 0 0 3 0x14200 bored systqmp 61548 324220 0 0 3 0x14200 bored systq 45412 85708 0 0 2 0x40014200 softclock 68765 345130 0 0 3 0x40014200 idle0 1 174993 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 63022 (syz-executor.1) thread 0xffff8000ffff3268 (39331) exclusive rrwlock inode r = 0 (0xfffffd80786261a8) #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 (0xfffffd8068185b38) #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 8928 (dhcpleased) thread 0xffff800021193508 (183796) 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 (0xfffffd806f112700) #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 10214 6517K 7150K 78643K 72920 0 pcb 13 18K 20K 78643K 5988 0 rtable 166 24K 28K 78643K 8304 0 ifaddr 83 25K 30K 78643K 5009 0 sysctl 3 1K 1K 78643K 3 0 counters 48 34K 35K 78643K 552 0 ioctlops 0 0K 8K 78643K 11074 0 iov 0 0K 24K 78643K 13034 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1480 93K 93K 78643K 22944 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 399 0 VM map 2 1K 1K 78643K 2 0 sem 13 20K 40K 78643K 114 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 8 25K 49K 78643K 30453 0 sigio 0 0K 0K 78643K 425 0 proc 73 87K 112K 78643K 3566 0 subproc 52 3K 3K 78643K 1129 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 3058 0 in_multi 37 2K 4K 78643K 1848 0 ether_multi 1 0K 0K 78643K 363 0 mrt 1 0K 0K 78643K 149 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 229 1023K 1023K 78643K 229 0 exec 0 0K 2K 78643K 11810 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 628 1639K 1655K 78643K 384077 0 UVM aobj 131 8K 8K 78643K 193 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 2241 0 NDP 10 0K 1K 78643K 469 0 temp 124 4238K 8334K 78643K 262110 0 kqueue 10 14K 24K 78643K 1179 0 SYN cache 2 0K 16K 78643K 4 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 24657 0 24653 164 163 1 7 0 8 0 rtentry 112 1415 0 1372 2 0 2 2 0 8 0 unpcb 136 18404 0 18389 164 163 1 9 0 8 0 syncache 296 67 0 67 25 25 0 1 0 8 0 tcpqe 32 3 89 3 2 2 0 1 0 8 0 tcpcb 736 8060 0 8052 291 288 3 14 0 8 1 arp 120 201 0 195 1 0 1 1 0 8 0 inpcb 304 28591 0 28579 358 356 2 14 0 8 0 rttmr 72 35 0 35 13 13 0 1 0 8 0 ip6q 72 3 0 3 1 1 0 1 0 8 0 ip6af 40 9 0 9 1 1 0 1 0 8 0 nd6 48 315 0 307 1 0 1 1 0 8 0 pkpcb 40 236 0 236 9 9 0 1 0 8 0 kcovpl 48 86 0 82 1 0 1 1 0 8 0 ppxss 1248 45 0 45 14 14 0 1 0 8 0 pfstscr 40 22 0 22 2 2 0 1 0 8 0 pffrag 232 262 0 262 20 20 0 1 0 482 0 pffrnode 88 258 0 258 20 20 0 1 0 8 0 pffrent 40 4252 0 4252 23 23 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 pfrktable 1344 1986 0 1963 14 12 2 3 0 8 0 pftag 88 23 0 17 3 2 1 1 0 8 0 pfstitem 24 64 0 62 1 0 1 1 0 8 0 pfstkey 112 84 0 82 1 0 1 1 0 8 0 pfstate 320 73 0 71 4 3 1 2 0 8 0 pfrule 1360 3358 0 3224 15 3 12 12 0 8 0 art_heap8 4096 8 0 6 6 4 2 3 0 8 0 art_heap4 256 5666 0 5466 49 34 15 21 0 8 0 art_table 32 5674 0 5472 3 0 3 3 0 8 0 art_node 16 1246 0 1210 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 108 0 97 1 0 1 1 0 8 0 shmpl 112 190 0 62 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 40380 0 38886 94 0 94 94 0 8 0 ffsino 272 40380 0 38886 100 0 100 100 0 8 0 nchpl 144 81943 0 80346 61 0 61 61 0 8 0 uvmvnodes 80 7366 0 0 151 0 151 151 0 8 0 vnodes 224 7366 0 0 434 0 434 434 0 8 0 namei 1024 287871 0 287869 11 10 1 2 0 8 0 percpumem 16 288 0 252 1 0 1 1 0 8 0 vcpupl 2048 400 0 2 50 0 50 50 0 8 0 vmpool 560 514 0 116 29 0 29 29 0 8 0 pfiaddrpl 120 377 0 340 10 8 2 2 0 8 0 scsiplug 72 15 0 15 5 5 0 1 0 8 0 scxspl 216 254502 0 254502 40 39 1 8 0 8 1 plimitpl 152 3030 0 3019 1 0 1 1 0 8 0 sigapl 424 30477 0 30440 7 1 6 7 0 8 0 futexpl 64 301443 0 301443 19 18 1 1 0 8 1 knotepl 112 269 0 0 5 1 4 4 0 8 0 kqueuepl 216 8924 0 8914 164 163 1 8 0 8 0 pipepl 336 12961 0 12945 260 258 2 10 0 8 0 fdescpl 496 30432 0 30411 7 4 3 4 0 8 0 filepl 152 249344 0 249190 429 422 7 21 0 8 0 lockfpl 104 6818 0 6816 10 9 1 2 0 8 0 lockfspl 48 1922 0 1920 1 0 1 1 0 8 0 sessionpl 144 103 0 90 1 0 1 1 0 8 0 pgrppl 48 145 0 131 1 0 1 1 0 8 0 ucredpl 96 23659 0 23639 1 0 1 1 0 8 0 zombiepl 144 30440 0 30439 3 2 1 1 0 8 0 processpl 1064 30477 0 30439 5 2 3 5 0 8 0 procpl 672 85600 0 85553 43 38 5 8 0 8 0 srpgc 96 110 0 110 22 22 0 1 0 8 0 sosppl 168 186 0 186 28 28 0 1 0 8 0 sockpl 480 72013 0 71982 1268 1260 8 34 0 8 4 mcl64k 65536 39 0 0 5 2 3 3 0 8 0 mcl16k 16384 41 0 0 5 2 3 3 0 8 0 mcl12k 12288 50 0 0 2 0 2 2 0 8 0 mcl9k 9216 49 0 0 3 1 2 2 0 8 0 mcl8k 8192 41 0 0 5 2 3 3 0 8 0 mcl4k 4096 33 0 0 4 1 3 3 0 8 0 mcl2k2 2112 20 0 0 2 0 2 2 0 8 0 mcl2k 2048 787 0 0 29 12 17 24 0 8 0 mtagpl 96 1413 0 0 14 7 7 9 0 8 0 mbufpl 256 3530 0 0 123 2 121 121 0 8 0 bufpl 288 52664 0 46162 527 11 516 527 0 8 0 anonpl 24 8660311 0 8641998 566 433 133 154 0 186 0 amapchunkpl 152 947693 0 946952 140 106 34 45 0 158 0 amappl16 200 82903 0 82153 337 296 41 54 0 8 0 amappl15 192 3509 0 3508 1 0 1 1 0 8 0 amappl14 184 2086 0 2082 1 0 1 1 0 8 0 amappl13 176 5431 0 5429 1 0 1 1 0 8 0 amappl12 168 4529 0 4524 1 0 1 1 0 8 0 amappl11 160 773 0 755 1 0 1 1 0 8 0 amappl10 152 4384 0 4373 1 0 1 1 0 8 0 amappl9 144 5268 0 5264 1 0 1 1 0 8 0 amappl8 136 7892 0 7776 6 1 5 5 0 8 0 amappl7 128 6041 0 6028 1 0 1 1 0 8 0 amappl6 120 5446 0 5422 1 0 1 1 0 8 0 amappl5 112 30704 0 30682 1 0 1 1 0 8 0 amappl4 104 4677 0 4646 1 0 1 1 0 8 0 amappl3 96 9779 0 9758 1 0 1 1 0 8 0 amappl2 88 7739 0 7670 3 1 2 2 0 8 0 amappl1 80 544756 0 544273 13 1 12 13 0 8 0 amappl 88 381230 0 380915 9 1 8 8 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 72 192 0 62 3 0 3 3 0 8 0 uaddrrnd 24 30946 0 30527 3 0 3 3 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 30946 0 30527 3 0 3 3 0 8 0 vmmpekpl 168 218734 0 218644 6 1 5 5 0 8 0 vmmpepl 168 2785605 0 2782425 856 689 167 175 0 357 14 vmsppl 368 30945 0 30527 40 1 39 39 0 8 0 rwobjpl 56 667092 0 657792 179 46 133 135 0 8 0 pdppl 4096 61900 0 61452 577 125 452 453 0 8 4 pvpl 32 14636018 0 14615980 1003 812 191 252 0 265 0 pmappl 248 30945 0 30527 27 0 27 27 0 8 0 extentpl 40 57 0 38 1 0 1 1 0 8 0 phpool 112 2197 0 757 42 0 42 42 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(fffffd806ef033b8,ffff8000211dcbd8,ffff8000211dcc08) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 vfs_lookup(ffff8000211dcba8) at vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 namei(ffff8000211dcba8) at namei+0x36a sys/kern/vfs_lookup.c:245 vn_open(ffff8000211dcba8,1,0) at vn_open+0x105 sys/kern/vfs_vnops.c:146 doopenat(ffff800021193508,ffffff9c,7f7fffff6ec0,0,0,ffff8000211dcd90) at doopenat+0x26a sys/kern/vfs_syscalls.c:1128 syscall(ffff8000211dce00) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000211dce00) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff6eb0, 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