uvm_fault(0xffffffff8353da28, 0xffff8000253b2004, 0, 1) -> d
kernel: page fault trap, code=0
Stopped at ffs_freefile+0x121: movl 0x4(%rbx),%r13d
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*420360 4114 0 0x2 0 0K syz-executor
ffs_freefile(fffffd805c8e3780,caae,8000) at ffs_freefile+0x121 ffs_cgread sys/ufs/ffs/ffs_alloc.c:856 [inline]
ffs_freefile(fffffd805c8e3780,caae,8000) at ffs_freefile+0x121 sys/ufs/ffs/ffs_alloc.c:1377
ffs_inode_free(fffffd805c8e3780,caae,8000) at ffs_inode_free+0x44 sys/ufs/ffs/ffs_alloc.c:1355
ufs_inactive(ffff80002a0ccae8) at ufs_inactive+0x29d sys/ufs/ufs/ufs_inode.c:94
VOP_INACTIVE(fffffd80787b6130,ffff800034b98028) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495
vput(fffffd80787b6130) at vput+0xe5 sys/kern/vfs_subr.c:779
VOP_REMOVE(fffffd805a6708c0,fffffd80787b6130,ffff80002a0ccc68) at VOP_REMOVE+0x19d sys/kern/vfs_vops.c:336
dounlinkat(ffff800034b98028,ffffff9c,78941f027870,0) at dounlinkat+0x177 sys/kern/vfs_syscalls.c:1888
syscall(ffff80002a0ccde0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline]
syscall(ffff80002a0ccde0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x78941f027d20, 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(0xffffffff8353da28, 0xffff8000253b2004, 0, 1) -> d
ddb{0}> trace
ffs_freefile(fffffd805c8e3780,caae,8000) at ffs_freefile+0x121 ffs_cgread sys/ufs/ffs/ffs_alloc.c:856 [inline]
ffs_freefile(fffffd805c8e3780,caae,8000) at ffs_freefile+0x121 sys/ufs/ffs/ffs_alloc.c:1377
ffs_inode_free(fffffd805c8e3780,caae,8000) at ffs_inode_free+0x44 sys/ufs/ffs/ffs_alloc.c:1355
ufs_inactive(ffff80002a0ccae8) at ufs_inactive+0x29d sys/ufs/ufs/ufs_inode.c:94
VOP_INACTIVE(fffffd80787b6130,ffff800034b98028) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495
vput(fffffd80787b6130) at vput+0xe5 sys/kern/vfs_subr.c:779
VOP_REMOVE(fffffd805a6708c0,fffffd80787b6130,ffff80002a0ccc68) at VOP_REMOVE+0x19d sys/kern/vfs_vops.c:336
dounlinkat(ffff800034b98028,ffffff9c,78941f027870,0) at dounlinkat+0x177 sys/kern/vfs_syscalls.c:1888
syscall(ffff80002a0ccde0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline]
syscall(ffff80002a0ccde0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x78941f027d20, count: -9
ddb{0}> show registers
rdi 0
rsi 0
rbp 0xffff80002a0cca20
rbx 0xffff8000253b2000
rdx 0
rcx 0xffff800034b98028
rax 0xfffffd806fd155b0
r8 0xffffffffffffffff
r9 0xfffffd807f7d3680
r10 0x40df3bd7bc99d417
r11 0xb2ec52d5c8f3ff6c
r12 0x2
r13 0
r14 0xffff800000a5f000
r15 0xcaae __ALIGN_SIZE+0xbaae
rip 0xffffffff8155d201 ffs_freefile+0x121
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002a0cc980
ss 0x10
ffs_freefile+0x121: movl 0x4(%rbx),%r13d
ddb{0}> show proc
PROC (syz-executor) tid=420360 pid=4114 tcnt=1 stat=onproc
flags process=2<EXEC> proc=0
runpri=50, usrpri=50, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff800034b98a48,0xffff800034b987d0
process=0xffff80002d771238 user=0xffff80002a0c7000, vmspace=0xfffffd806c55f8b0
estcpu=36, cpticks=1, pctcpu=0.1, user=0, sys=4, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
4914 394505 3307 0 2 0 syz-executor
98130 425690 64257 0 2 0 syz-executor
98130 101884 64257 0 3 0x4000080 fsleep syz-executor
9435 211238 52203 0 2 0 syz-executor
9435 363418 52203 0 3 0x4000080 fsleep syz-executor
94249 367357 53096 0 2 0 syz-executor
94249 196573 53096 0 3 0x4000080 fsleep syz-executor
94249 104542 53096 0 3 0x4000080 fsleep syz-executor
94249 449736 53096 0 3 0x4000080 fsleep syz-executor
9839 439760 44352 0 2 0 syz-executor
75182 350554 77313 0 3 0x80 nanoslp syz-executor
75182 265168 77313 0 3 0x4000080 msgwait syz-executor
75182 106185 77313 0 3 0x4000080 fsleep syz-executor
21375 442694 1678 0 3 0x80 nanoslp syz-executor
21375 459179 1678 0 3 0x4000080 sbwait syz-executor
21375 331287 1678 0 3 0x4000080 fsleep syz-executor
53096 8302 70258 0 3 0x82 nanoslp syz-executor
3307 97986 70258 0 3 0x82 nanoslp syz-executor
44352 346069 70258 0 3 0x82 nanoslp syz-executor
1678 317077 70258 0 3 0x82 nanoslp syz-executor
77313 156137 70258 0 3 0x82 nanoslp syz-executor
* 4114 420360 70258 0 7 0x2 syz-executor
52203 363424 70258 0 3 0x82 nanoslp syz-executor
64257 350414 70258 0 3 0x82 nanoslp syz-executor
94489 454119 0 0 3 0x14200 bored sosplice
70258 517189 35682 0 2 0x2 syz-executor
35682 124505 61220 0 3 0x10008a sigsusp ksh
61220 459616 98095 0 3 0x98 kqread sshd-session
98095 286199 26641 0 3 0x92 kqread sshd-session
94712 136651 1 0 3 0x100083 ttyin getty
26641 7769 1 0 3 0x88 kqread sshd
47536 182849 67783 74 3 0x1100092 bpf pflogd
67783 26414 1 0 3 0x80 sbwait pflogd
29801 61090 56324 73 2 0x1100010 syslogd
56324 355346 1 0 3 0x100082 sbwait syslogd
50999 95073 1 0 3 0x100080 kqread resolvd
17334 190349 15324 77 3 0x100092 kqread dhcpleased
5619 350375 15324 77 3 0x100092 kqread dhcpleased
15324 511199 1 0 3 0x80 kqread dhcpleased
20167 467520 0 0 3 0x14200 bored smr
86326 187139 0 0 2 0x14200 zerothread
46071 391046 0 0 3 0x14200 aiodoned aiodoned
99162 32790 0 0 3 0x14200 syncer update
33467 274046 0 0 3 0x14200 cleaner cleaner
17183 408816 0 0 3 0x14200 reaper reaper
38443 461153 0 0 3 0x14200 pgdaemon pagedaemon
76682 227144 0 0 3 0x14200 bored viomb
14907 88249 0 0 3 0x40014200 acpi0 acpi0
3975 139161 0 0 7 0x40014200 idle1
4492 430939 0 0 3 0x14200 bored softnet3
7964 156496 0 0 3 0x14200 bored softnet2
94322 68084 0 0 3 0x14200 bored softnet1
74420 200783 0 0 3 0x14200 bored softnet0
69596 377021 0 0 3 0x14200 bored systqmp
45850 511465 0 0 3 0x14200 bored systq
26668 116679 0 0 3 0x14200 tmoslp softclockmp
2392 276104 0 0 3 0x40014200 tmoslp softclock
76799 59498 0 0 3 0x40014200 idle0
1 326889 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 4114 (syz-executor) thread 0xffff800034b98028 (420360)
exclusive rrwlock inode r = 0 (0xfffffd805c8e3818)
#0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151
#1 rw_enter+0x41b sys/kern/kern_rwlock.c:309
#2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464
#3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564
#5 vget+0x2bd sys/kern/vfs_subr.c:676
#6 ufs_ihashget+0x192 sys/ufs/ufs/ufs_ihash.c:98
#7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201
#8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478
#9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
#10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566
#11 namei+0x7aa sys/kern/vfs_lookup.c:250
#12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852
#13 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline]
#13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd805c8e3c58)
#0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151
#1 rw_enter+0x41b sys/kern/kern_rwlock.c:309
#2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464
#3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564
#5 vget+0x2bd sys/kern/vfs_subr.c:676
#6 cache_lookup+0x36e sys/kern/vfs_cache.c:222
#7 ufs_lookup+0x218 sys/ufs/ufs/ufs_lookup.c:160
#8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
#9 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566
#10 namei+0x7aa sys/kern/vfs_lookup.c:250
#11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852
#12 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline]
#12 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577
#13 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83628520)
#0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151
#1 syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline]
#1 syscall+0xad6 sys/arch/amd64/amd64/trap.c:577
#2 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10202 10152K 10293K 166960K 11933 0
pcb 18 14K 14K 166960K 175 0
rtable 212 6K 7K 166960K 1268 0
pf 34 17K 25K 166960K 129 0
ifaddr 42 7K 8K 166960K 174 0
ifgroup 55 2K 2K 166960K 191 0
sysctl 2 0K 1K 166960K 3 0
counters 64 36K 36K 166960K 136 0
ioctlops 0 0K 4K 166960K 1638 0
iov 0 0K 24K 166960K 99 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1444 91K 91K 166960K 2218 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 9 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 88 0
dirhash 12 2K 2K 166960K 21 0
ACPI 1690 195K 286K 166960K 12418 0
file desc 17 61K 93K 166960K 1008 0
sigio 0 0K 0K 166960K 8 0
proc 72 91K 140K 166960K 1357 0
subproc 104 6K 7K 166960K 468 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 127 0
in_multi 98 7K 7K 166960K 428 0
ether_multi 1 0K 0K 166960K 3 0
mrt 0 0K 0K 166960K 2 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 79 360K 360K 166960K 79 0
exec 0 0K 1K 166960K 822 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 222 72K 91K 166960K 9152 0
UVM aobj 15 6K 6K 166960K 18 0
pinsyscall 42 84K 106K 166960K 2805 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 26 0
NDP 14 0K 2K 166960K 122 0
temp 49 6817K 6881K 166960K 41844 0
kqueue 13 20K 28K 166960K 92 0
SYN cache 2 16K 16K 166960K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 24 0 0 1 0 1 1 0 8 0
rtpcb 120 130 0 126 1 0 1 1 0 8 0
rtentry 112 451 0 352 4 0 4 4 0 8 0
unpcb 144 416 0 399 4 3 1 2 0 8 0
syncache 336 4 0 4 3 3 0 1 0 8 0
tcpqe 32 2 0 2 1 1 0 1 0 8 0
tcpcb 808 228 0 221 7 6 1 7 0 8 0
arp 120 82 0 65 1 0 1 1 0 8 0
inpcb 336 839 0 790 13 8 5 5 0 8 0
nd6 136 113 0 88 1 0 1 1 0 8 0
pkpcb 40 7 0 7 3 3 0 1 0 8 0
kcovpl 48 36 0 28 1 0 1 1 0 8 0
ppxss 1168 6 0 6 3 3 0 1 0 8 0
pffrag 232 2 0 0 1 0 1 1 0 482 0
pffrnode 88 2 0 0 1 0 1 1 0 8 0
pffrent 40 3 0 1 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
pfstitem 24 75 0 39 1 0 1 1 0 8 0
pfstkey 128 75 0 39 2 0 2 2 0 8 0
pfstate 376 75 0 39 4 0 4 4 0 8 0
pfrule 1344 23 0 17 2 0 2 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 1786 0 1340 32 3 29 30 0 8 0
art_table 32 1787 0 1340 4 0 4 4 0 8 0
art_node 16 450 0 363 1 0 1 1 0 8 0
sysvmsgpl 40 6 0 3 1 0 1 1 0 8 0
semapl 112 20 0 10 1 0 1 1 0 8 0
shmpl 112 15 0 3 1 0 1 1 0 8 0
dirhash 1024 23 0 6 3 0 3 3 0 8 0
dino2pl 256 2495 0 935 98 0 98 98 0 8 0
ffsino 272 2495 0 935 105 0 105 105 0 8 0
nchpl 144 3354 0 1627 65 0 65 65 0 8 1
uvmvnodes 80 3251 0 0 67 0 67 67 0 8 0
vnodes 216 3251 0 0 181 0 181 181 0 8 0
namei 1024 13564 0 13564 5 4 1 2 0 8 1
percpumem 16 82 0 36 1 0 1 1 0 8 0
kstatmem 264 96 0 72 2 0 2 2 0 8 0
scsiplug 72 2 0 2 2 2 0 1 0 8 0
scxspl 216 24303 0 24303 12 11 1 8 1 8 1
plimitpl 152 186 0 168 1 0 1 1 0 8 0
sigapl 424 1252 0 1202 8 1 7 7 0 8 0
futexpl 64 7275 0 7268 4 3 1 1 0 8 0
knotepl 120 571 0 0 18 1 17 18 0 8 0
kqueuepl 216 128 0 119 1 0 1 1 0 8 0
pipepl 320 342 0 315 8 5 3 8 0 8 0
fdescpl 496 1232 0 1201 5 0 5 5 0 8 0
filepl 152 6255 0 5963 26 14 12 18 0 8 0
lockfpl 104 366 0 364 2 1 1 2 0 8 0
lockfspl 48 77 0 75 1 0 1 1 0 8 0
sessionpl 144 50 0 41 1 0 1 1 0 8 0
pgrppl 48 97 0 80 1 0 1 1 0 8 0
ucredpl 104 813 0 799 1 0 1 1 0 8 0
zombiepl 144 1202 0 1202 2 1 1 1 0 8 1
processpl 1160 1252 0 1202 5 1 4 5 0 8 0
procpl 648 1939 0 1880 7 1 6 6 0 8 0
srpgc 96 2 0 2 1 1 0 1 0 8 0
sosppl 168 3 0 3 2 2 0 1 0 8 0
sockpl 664 1396 0 1326 17 11 6 6 0 8 0
mcl64k 65536 6 0 0 1 0 1 1 0 8 0
mcl16k 16384 5 0 0 1 0 1 1 0 8 0
mcl12k 12288 2 0 0 1 0 1 1 0 8 0
mcl9k 9216 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 5 0 0 1 0 1 1 0 8 0
mcl4k 4096 3 0 0 1 0 1 1 0 8 0
mcl2k 2048 213 0 0 27 0 27 27 0 8 1
mtagpl 96 6 0 0 1 0 1 1 0 8 0
mbufpl 256 998 0 0 60 0 60 60 0 8 0
bufpl 280 7164 0 990 442 0 442 442 0 8 0
anonpl 24 258363 0 255015 99 48 51 74 0 185 19
amapchunkpl 152 30046 0 29597 43 12 31 32 0 158 11
amappl16 200 5836 0 5820 27 23 4 14 0 8 3
amappl15 192 14 0 14 1 1 0 1 0 8 0
amappl14 184 171 0 158 1 0 1 1 0 8 0
amappl13 176 13 0 13 1 1 0 1 0 8 0
amappl12 168 2322 0 2292 3 1 2 2 0 8 0
amappl11 160 64 0 50 1 0 1 1 0 8 0
amappl10 152 9 0 9 2 2 0 1 0 8 0
amappl9 144 124 0 124 1 1 0 1 0 8 0
amappl8 136 21 0 19 1 0 1 1 0 8 0
amappl7 128 167 0 154 1 0 1 1 0 8 0
amappl6 120 442 0 441 1 0 1 1 0 8 0
amappl5 112 243 0 231 1 0 1 1 0 8 0
amappl4 104 426 0 404 1 0 1 1 0 8 0
amappl3 96 5687 0 5585 5 1 4 4 0 8 1
amappl2 88 1058 0 990 2 0 2 2 0 8 0
amappl1 80 11751 0 11189 15 2 13 14 0 8 0
amappl 88 8543 0 8382 5 0 5 5 0 92 0
dma4096 4096 2 0 2 2 2 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 20 0 19 1 0 1 1 0 8 0
aobjpl 72 17 0 3 1 0 1 1 0 8 0
uaddrrnd 24 1232 0 1201 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1232 0 1201 1 0 1 1 0 8 0
vmmpekpl 168 11343 0 11294 3 0 3 3 0 8 0
vmmpepl 168 82687 0 80870 103 18 85 95 0 357 3
vmsppl 440 1231 0 1201 6 2 4 5 0 8 0
rwobjpl 56 30067 0 25902 60 0 60 60 0 8 0
pdppl 4096 2471 0 2402 122 49 73 85 0 8 4
pvpl 32 30583 0 0 247 0 247 247 0 265 0
pmappl 248 1231 0 1201 3 0 3 3 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 487 0 79 12 0 12 12 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
ffs_freefile(fffffd805c8e3780,caae,8000) at ffs_freefile+0x121 ffs_cgread sys/ufs/ffs/ffs_alloc.c:856 [inline]
ffs_freefile(fffffd805c8e3780,caae,8000) at ffs_freefile+0x121 sys/ufs/ffs/ffs_alloc.c:1377
ffs_inode_free(fffffd805c8e3780,caae,8000) at ffs_inode_free+0x44 sys/ufs/ffs/ffs_alloc.c:1355
ufs_inactive(ffff80002a0ccae8) at ufs_inactive+0x29d sys/ufs/ufs/ufs_inode.c:94
VOP_INACTIVE(fffffd80787b6130,ffff800034b98028) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495
vput(fffffd80787b6130) at vput+0xe5 sys/kern/vfs_subr.c:779
VOP_REMOVE(fffffd805a6708c0,fffffd80787b6130,ffff80002a0ccc68) at VOP_REMOVE+0x19d sys/kern/vfs_vops.c:336
dounlinkat(ffff800034b98028,ffffff9c,78941f027870,0) at dounlinkat+0x177 sys/kern/vfs_syscalls.c:1888
syscall(ffff80002a0ccde0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline]
syscall(ffff80002a0ccde0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x78941f027d20, count: -9
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393
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+0x41e sys/dev/acpi/acpicpu.c:1219
sched_idle(ffff800029b7bff0) at sched_idle+0x558 sys/kern/kern_sched.c:182
end trace frame: 0x0, count: 10
ddb{1}> trace
x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393
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+0x41e sys/dev/acpi/acpicpu.c:1219
sched_idle(ffff800029b7bff0) at sched_idle+0x558 sys/kern/kern_sched.c:182
end trace frame: 0x0, count: -5