������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������uvm_fault(0xfffffd806bcceb60, 0x20, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at mtx_enter_try+0x65: movl 0x8(%r14),%r15d
TID PID UID PRFLAGS PFLAGS CPU COMMAND
294668 56316 0 0 0 1 syz-executor
mtx_enter_try(18) at mtx_enter_try+0x65 sys/kern/kern_lock.c:265
mtx_enter(18) at mtx_enter+0x60 sys/kern/kern_lock.c:239
clockintr_unbind(ffff8000015c5530,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375
dt_ioctl_record_stop(ffff800000b57000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:575
dtclose(41e5f,81,2000,ffff80002a2bc800) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(41e5f,81,2000,ffff80002a2bc800) at dtclose+0x105 sys/dev/dt/dt_dev.c:232
spec_close(ffff80002ffd7ce0) at spec_close+0x45f sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd8064f0da30,81,fffffd807f7d3478,ffff80002a2bc800) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806b84da58,ffff80002a2bc800) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd806b84da58,ffff80002a2bc800) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615
fdrop(fffffd806b84da58,ffff80002a2bc800) at fdrop+0x126 sys/kern/kern_descrip.c:1265
closef(fffffd806b84da58,ffff80002a2bc800) at closef+0x192 sys/kern/kern_descrip.c:1249
fdfree(ffff80002a2bc800) at fdfree+0x116 sys/kern/kern_descrip.c:1181
exit1(ffff80002a2bc800,0,0,1) at exit1+0x58f sys/kern/kern_exit.c:214
sys_exit(ffff80002a2bc800,ffff80002ffd8050,ffff80002ffd7fa0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80002ffd8050) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002ffd8050) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579
end trace frame: 0xffff80002ffd80d0, count: 0
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(0xfffffd806bcceb60, 0x20, 0, 1) -> e
ddb{0}> trace
mtx_enter_try(18) at mtx_enter_try+0x65 sys/kern/kern_lock.c:265
mtx_enter(18) at mtx_enter+0x60 sys/kern/kern_lock.c:239
clockintr_unbind(ffff8000015c5530,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375
dt_ioctl_record_stop(ffff800000b57000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:575
dtclose(41e5f,81,2000,ffff80002a2bc800) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(41e5f,81,2000,ffff80002a2bc800) at dtclose+0x105 sys/dev/dt/dt_dev.c:232
spec_close(ffff80002ffd7ce0) at spec_close+0x45f sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd8064f0da30,81,fffffd807f7d3478,ffff80002a2bc800) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806b84da58,ffff80002a2bc800) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd806b84da58,ffff80002a2bc800) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615
fdrop(fffffd806b84da58,ffff80002a2bc800) at fdrop+0x126 sys/kern/kern_descrip.c:1265
closef(fffffd806b84da58,ffff80002a2bc800) at closef+0x192 sys/kern/kern_descrip.c:1249
fdfree(ffff80002a2bc800) at fdfree+0x116 sys/kern/kern_descrip.c:1181
exit1(ffff80002a2bc800,0,0,1) at exit1+0x58f sys/kern/kern_exit.c:214
sys_exit(ffff80002a2bc800,ffff80002ffd8050,ffff80002ffd7fa0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80002ffd8050) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002ffd8050) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x753193523580, count: -15
ddb{0}> show registers
rdi 0
rsi 0
rbp 0xffff80002ffd7b50
rbx 0xffffffff82208a90 dtclose
rdx 0
rcx 0xffff80002a2bc800
rax 0xffffffff838a1ff0 cpu_info_full_primary+0x1ff0
r8 0
r9 0
r10 0xbb45df700d330f2c
r11 0xa9fb732a4ca940a1
r12 0
r13 0xffffffff838a1ff0 cpu_info_full_primary+0x1ff0
r14 0x18
r15 0
rip 0xffffffff8252dba5 mtx_enter_try+0x65
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002ffd7b10
ss 0x10
mtx_enter_try+0x65: movl 0x8(%r14),%r15d
ddb{0}> show proc
PROC (syz-executor) tid=140117 pid=26654 tcnt=0 stat=onproc
flags process=1008<EXITING,SINGLEEXIT> proc=2000<WEXIT>
runpri=32, usrpri=81, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0xffff80002a2bc800 scnt=-1 ecnt=1
forw=0xffffffffffffffff, list=0xffff80003c44b7e8,0xffff80002a2bbd70
process=0xffff80003c4a0e68 user=0xffff80002ffd3000, vmspace=0xfffffd806bcceb60
estcpu=31, cpticks=1, pctcpu=0.8, user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
56316 294668 63925 0 7 0 syz-executor
56316 402342 63925 0 3 0x4000000 clonelk syz-executor
59631 506333 15730 0 3 0x80 nanoslp syz-executor
59631 289547 15730 0 3 0x4000000 smrbar syz-executor
59631 372703 15730 0 3 0x4000080 fsleep syz-executor
34783 356877 29133 0 3 0x80 nanoslp syz-executor
34783 213572 29133 0 3 0x4000080 kqread syz-executor
34783 253034 29133 0 3 0x4000080 fsleep syz-executor
67093 217547 0 0 3 0x14200 acct acct
89891 96200 29572 0 3 0x80 nanoslp syz-executor
89891 304900 29572 0 3 0x4000080 sbwait syz-executor
89891 446487 29572 0 3 0x4000080 fsleep syz-executor
34615 212339 19801 0 3 0x80 nanoslp syz-executor
34615 366534 19801 0 3 0x4000080 sbwait syz-executor
34615 447887 19801 0 3 0x4000080 fsleep syz-executor
49263 271750 23403 0 3 0x80 nanoslp syz-executor
49263 262146 23403 0 3 0x4000080 kqread syz-executor
49263 383393 23403 0 3 0x4000080 fsleep syz-executor
15730 359234 59849 0 3 0x82 nanoslp syz-executor
9583 2172 59849 0 3 0x82 nanoslp syz-executor
29133 257439 59849 0 3 0x82 nanoslp syz-executor
23403 133258 59849 0 3 0x82 nanoslp syz-executor
29572 123476 59849 0 3 0x82 nanoslp syz-executor
4466 340454 1 0 3 0x100083 ttyin getty
19801 276508 59849 0 3 0x82 nanoslp syz-executor
47178 381448 0 0 3 0x14200 bored sosplice
14877 268061 59849 0 3 0x82 nanoslp syz-executor
63925 192805 59849 0 3 0x82 nanoslp syz-executor
59849 306309 58130 0 3 0x82 kqread syz-executor
58130 364602 57938 0 3 0x10008a sigsusp ksh
57938 386116 32054 0 3 0x98 kqread sshd-session
32054 313451 10322 0 3 0x92 kqread sshd-session
10322 226291 1 0 3 0x88 kqread sshd
3715 501712 15868 74 3 0x1100092 bpf pflogd
15868 162552 1 0 3 0x80 sbwait pflogd
71803 343795 2148 73 3 0x1100090 kqread syslogd
2148 223816 1 0 3 0x100082 sbwait syslogd
24577 66308 1 0 3 0x100080 kqread resolvd
37101 120615 19169 77 3 0x100092 kqread dhcpleased
96847 54723 19169 77 3 0x100092 kqread dhcpleased
19169 433502 1 0 3 0x80 kqread dhcpleased
24484 311462 0 0 3 0x14200 bored smr
51261 117057 0 0 3 0x14200 pgzero zerothread
96231 56559 0 0 3 0x14200 aiodoned aiodoned
50747 295836 0 0 3 0x14200 syncer update
26485 116803 0 0 3 0x14200 cleaner cleaner
69060 57176 0 0 3 0x14200 reaper reaper
45252 469433 0 0 3 0x14200 pgdaemon pagedaemon
21632 89728 0 0 3 0x14200 bored viomb
31330 444794 0 0 3 0x40014200 acpi0 acpi0
83438 490717 0 0 3 0x40014200 idle1
8890 478057 0 0 3 0x14200 bored softnet3
94208 427167 0 0 3 0x14200 bored softnet2
74971 307219 0 0 3 0x14200 bored softnet1
69566 511984 0 0 3 0x14200 bored softnet0
38283 148881 0 0 3 0x14200 bored systqmp
93104 98695 0 0 3 0x14200 bored systq
18159 473921 0 0 3 0x14200 tmoslp softclockmp
18888 405922 0 0 3 0x40014200 tmoslp softclock
23223 142570 0 0 3 0x40014200 idle0
1 317105 0 0 3 0x80082 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb{0}> show all locks
Process 59631 (syz-executor) thread 0xffff80002a2bb2c0 (289547)
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10222 11144K 12443K 166960K 13385 0
pcb 19 18K 20K 166960K 433 0
rtable 175 8K 9K 166960K 732 0
pf 34 17K 19K 166960K 127 0
ifaddr 31 4K 7K 166960K 115 0
ifgroup 55 2K 2K 166960K 176 0
sysctl 4 1K 2K 166960K 5 0
counters 64 36K 37K 166960K 170 0
ioctlops 0 0K 4K 166960K 1677 0
iov 0 0K 28K 166960K 195 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1431 90K 90K 166960K 2414 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 5K 13K 166960K 27 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 78 0
dirhash 12 2K 2K 166960K 30 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 18 65K 236K 166960K 1410 0
sigio 0 0K 0K 166960K 18 0
proc 72 91K 115K 166960K 851 0
subproc 72 4K 4K 166960K 138 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 2 0K 0K 166960K 197 0
in_multi 54 4K 7K 166960K 219 0
ether_multi 1 0K 0K 166960K 4 0
mrt 1 0K 0K 166960K 7 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 115 519K 519K 166960K 115 0
exec 0 0K 1K 166960K 603 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 3 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 254 160K 176K 166960K 14101 0
UVM aobj 36 2K 2K 166960K 39 0
pinsyscall 43 86K 104K 166960K 2704 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 82 0
NDP 14 0K 2K 166960K 80 0
temp 78 8692K 8948K 166960K 52255 0
kqueue 18 28K 30K 166960K 224 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 26 0 0 1 0 1 1 0 8 0
rtpcb 120 171 0 166 2 0 2 2 0 8 1
rtentry 176 218 0 147 6 0 6 6 0 8 0
unpcb 144 888 0 867 5 1 4 4 0 8 3
syncache 336 5 0 5 2 1 1 1 0 8 1
tcpqe 32 1 0 1 1 0 1 1 0 8 1
tcpcb 808 397 0 392 11 7 4 7 0 8 3
arp 128 39 0 21 1 0 1 1 0 8 0
inpcb 384 1530 0 1517 14 4 10 12 0 8 8
nd6 144 53 0 37 1 0 1 1 0 8 0
pkpcb 40 10 0 10 1 0 1 1 0 8 1
kcovpl 48 15 0 7 1 0 1 1 0 8 0
mppekey 1024 1 0 1 1 1 0 1 0 8 0
ppxss 1192 33 0 33 1 0 1 1 0 8 1
pppxif 1504 6 0 6 2 1 1 1 0 8 1
pffrag 232 6 0 0 1 0 1 1 0 482 0
pffrnode 88 5 0 0 1 0 1 1 0 8 0
pffrent 40 8 0 2 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 97 0 20 1 0 1 1 0 8 0
pfstkey 128 97 0 20 3 0 3 3 0 8 0
pfstate 384 97 0 20 9 0 9 9 0 8 0
pfrule 1344 22 0 17 2 1 1 2 0 8 0
rttmr 136 1 0 1 1 1 0 1 0 8 0
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 869 0 600 30 2 28 29 0 8 8
art_table 32 871 0 600 4 0 4 4 0 8 0
art_node 16 214 0 155 1 0 1 1 0 8 0
sysvmsgpl 40 65 0 65 1 1 0 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 75 0 65 1 0 1 1 0 8 0
shmpl 112 36 0 3 1 0 1 1 0 8 0
dirhash 1024 29 0 12 3 0 3 3 0 8 0
dino2pl 256 3829 0 2309 96 0 96 96 0 8 0
ffsino 288 3829 0 2309 109 0 109 109 0 8 0
nchpl 144 5656 0 3944 64 0 64 64 0 8 0
rtmask 32 8 0 8 2 1 1 1 0 8 1
uvmvnodes 80 4503 0 0 92 0 92 92 0 8 0
vnodes 216 4503 0 0 251 0 251 251 0 8 0
namei 1024 19032 0 19032 1 0 1 1 0 8 1
percpumem 16 100 0 53 1 0 1 1 0 8 0
kstatmem 264 98 0 74 3 1 2 3 0 8 0
scsiplug 72 3 0 3 1 1 0 1 0 8 0
scxspl 216 19152 0 19152 10 9 1 8 1 8 1
plimitpl 152 389 0 372 1 0 1 1 0 8 0
sigapl 424 1721 0 1669 9 2 7 9 0 8 0
futexpl 64 18255 0 18250 1 0 1 1 0 8 0
knotepl 120 533 0 0 16 0 16 16 0 8 0
kqueuepl 224 449 0 435 6 1 5 5 0 8 4
pipepl 336 240 0 211 3 0 3 3 0 8 0
fdescpl 520 1676 0 1644 3 0 3 3 0 8 0
filepl 160 10028 0 9797 18 3 15 16 0 8 2
lockfpl 104 382 0 380 1 0 1 1 0 8 0
lockfspl 48 166 0 164 1 0 1 1 0 8 0
sessionpl 144 32 0 23 1 0 1 1 0 8 0
pgrppl 48 57 0 40 1 0 1 1 0 8 0
ucredpl 104 1406 0 1393 1 0 1 1 0 8 0
zombiepl 144 1671 0 1669 1 0 1 1 0 8 0
processpl 1216 1721 0 1669 6 0 6 6 0 8 0
procpl 680 3725 0 3662 8 1 7 8 0 8 0
srpgc 96 20 0 20 2 1 1 1 0 8 1
sosppl 168 9 0 9 2 1 1 1 0 8 1
sockpl 728 2626 0 2587 16 4 12 13 0 8 8
mcl64k 65536 5 0 0 1 0 1 1 0 8 0
mcl16k 16384 1 0 0 1 0 1 1 0 8 0
mcl12k 12288 1 0 0 1 0 1 1 0 8 0
mcl9k 9216 2 0 0 1 0 1 1 0 8 0
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 129 0 0 17 0 17 17 0 8 0
mcl2k 2048 39 0 0 4 0 4 4 0 8 0
mtagpl 96 33 0 0 1 0 1 1 0 8 0
mbufpl 256 474 0 0 29 0 29 29 0 8 0
bufpl 280 5685 0 133 397 0 397 397 0 8 0
anonpl 32 7623 0 0 63 1 62 62 0 246 0
amapchunkpl 152 45675 0 45070 37 1 36 36 0 158 11
amappl16 200 2570 0 2501 20 6 14 15 0 8 7
amappl15 192 15 0 15 1 1 0 1 0 8 0
amappl14 184 127 0 115 1 0 1 1 0 8 0
amappl13 176 10 0 10 1 1 0 1 0 8 0
amappl12 168 2445 0 2413 3 1 2 2 0 8 0
amappl11 160 46 0 32 1 0 1 1 0 8 0
amappl10 152 2 0 2 2 2 0 1 0 8 0
amappl9 144 259 0 259 1 1 0 1 0 8 0
amappl8 136 52 0 49 1 0 1 1 0 8 0
amappl7 128 124 0 111 1 0 1 1 0 8 0
amappl6 120 262 0 259 1 0 1 1 0 8 0
amappl5 112 156 0 146 1 0 1 1 0 8 0
amappl4 104 352 0 331 1 0 1 1 0 8 0
amappl3 96 9461 0 9345 5 1 4 4 0 8 0
amappl2 88 762 0 698 2 0 2 2 0 8 0
amappl1 80 14262 0 13659 17 2 15 15 0 8 1
amappl 88 13042 0 12860 5 0 5 5 0 92 0
dma32768 32768 1 0 1 1 1 0 1 0 8 0
dma16384 16384 1 0 1 1 1 0 1 0 8 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 9 0 9 3 2 1 1 0 8 1
dma128 128 253 0 253 1 1 0 1 0 8 0
dma64 64 8 0 8 2 1 1 1 0 8 1
dma32 32 8 0 8 2 2 0 1 0 8 0
dma16 16 19 0 18 1 0 1 1 0 8 0
aobjpl 72 38 0 3 1 0 1 1 0 8 0
uaddrrnd 24 1676 0 1644 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1676 0 1644 1 0 1 1 0 8 0
vmmpekpl 168 14530 0 14474 3 0 3 3 0 8 0
vmmpepl 168 107402 0 105300 102 2 100 101 0 357 7
vmsppl 480 1675 0 1644 5 0 5 5 0 8 0
rwobjpl 72 31612 0 26083 101 0 101 101 0 8 0
pdppl 4096 3359 0 3288 111 38 73 83 0 8 2
pvpl 32 15447 0 0 125 0 125 125 0 265 0
pmappl 256 1675 0 1644 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 440 0 55 11 0 11 11 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
mtx_enter_try(18) at mtx_enter_try+0x65 sys/kern/kern_lock.c:265
mtx_enter(18) at mtx_enter+0x60 sys/kern/kern_lock.c:239
clockintr_unbind(ffff8000015c5530,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375
dt_ioctl_record_stop(ffff800000b57000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:575
dtclose(41e5f,81,2000,ffff80002a2bc800) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(41e5f,81,2000,ffff80002a2bc800) at dtclose+0x105 sys/dev/dt/dt_dev.c:232
spec_close(ffff80002ffd7ce0) at spec_close+0x45f sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd8064f0da30,81,fffffd807f7d3478,ffff80002a2bc800) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806b84da58,ffff80002a2bc800) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd806b84da58,ffff80002a2bc800) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615
fdrop(fffffd806b84da58,ffff80002a2bc800) at fdrop+0x126 sys/kern/kern_descrip.c:1265
closef(fffffd806b84da58,ffff80002a2bc800) at closef+0x192 sys/kern/kern_descrip.c:1249
fdfree(ffff80002a2bc800) at fdfree+0x116 sys/kern/kern_descrip.c:1181
exit1(ffff80002a2bc800,0,0,1) at exit1+0x58f sys/kern/kern_exit.c:214
sys_exit(ffff80002a2bc800,ffff80002ffd8050,ffff80002ffd7fa0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80002ffd8050) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002ffd8050) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x753193523580, count: -15
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffff8000299ddff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
end of kernel
end trace frame: 0x73a138e515a0, count: 12
ddb{1}> trace
x86_ipi_db(ffff8000299ddff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
end of kernel
end trace frame: 0x73a138e515a0, count: -3