uvm_fault(0xfffffd8064191748, 0xf, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at ktrops+0x58: movq 0x10(%r14),%r14
TID PID UID PRFLAGS PFLAGS CPU COMMAND
* 39497 16242 0 0 0x4000000 0K syz-executor
ktrops(ffff8000ffffbc50,ffffffffffffffff,0,a0c7df9b,fffffd805e2fcbf0,fffffd807f7d33a8) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline]
ktrops(ffff8000ffffbc50,ffffffffffffffff,0,a0c7df9b,fffffd805e2fcbf0,fffffd807f7d33a8) at ktrops+0x58 sys/kern/kern_ktrace.c:570
doktrace(fffffd805e2fcbf0,4,20c7df9b,0,ffff8000ffffbc50) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline]
doktrace(fffffd805e2fcbf0,4,20c7df9b,0,ffff8000ffffbc50) at doktrace+0x6dd sys/kern/kern_ktrace.c:517
sys_ktrace(ffff8000ffffbc50,ffff8000390a90e0,ffff8000390a9030) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558
syscall(ffff8000390a90e0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000390a90e0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf98091c7250, count: 10
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(0xfffffd8064191748, 0xf, 0, 1) -> e
ddb{0}> trace
ktrops(ffff8000ffffbc50,ffffffffffffffff,0,a0c7df9b,fffffd805e2fcbf0,fffffd807f7d33a8) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline]
ktrops(ffff8000ffffbc50,ffffffffffffffff,0,a0c7df9b,fffffd805e2fcbf0,fffffd807f7d33a8) at ktrops+0x58 sys/kern/kern_ktrace.c:570
doktrace(fffffd805e2fcbf0,4,20c7df9b,0,ffff8000ffffbc50) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline]
doktrace(fffffd805e2fcbf0,4,20c7df9b,0,ffff8000ffffbc50) at doktrace+0x6dd sys/kern/kern_ktrace.c:517
sys_ktrace(ffff8000ffffbc50,ffff8000390a90e0,ffff8000390a9030) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558
syscall(ffff8000390a90e0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000390a90e0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf98091c7250, count: -5
ddb{0}> show registers
rdi 0xffff80002f09e000
rsi 0x23de __ALIGN_SIZE+0x13de
rbp 0xffff8000390a8e00
rbx 0xfffffd807f7d33a8
rdx 0xffff80002f09e000
rcx 0x23dd __ALIGN_SIZE+0x13dd
rax 0xffffffff821c3773 ktrops+0x43
r8 0xfffffd805e2fcbf0
r9 0xfffffd807f7d33a8
r10 0x2292d3ffcfde2bdb
r11 0x72f0f9bef4a15398
r12 0xffff8000ffffbc50
r13 0xffffffffffffffff
r14 0xffffffffffffffff
r15 0xa0c7df9b
rip 0xffffffff821c3788 ktrops+0x58
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff8000390a8d80
ss 0x10
ktrops+0x58: movq 0x10(%r14),%r14
ddb{0}> show proc
PROC (syz-executor) tid=39497 pid=16242 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=17, usrpri=50, slppri=17, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff8000ffffb730,0xffffffff838cc3e8
process=0xffff80003c0dc020 user=0xffff8000390a4000, vmspace=0xfffffd8064191748
estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
16242 477160 79741 0 2 0 syz-executor
*16242 39497 79741 0 7 0x4000000 syz-executor
85305 297687 16893 0 2 0 syz-executor
85305 279706 16893 0 3 0x4000080 pipewr syz-executor
85305 2285 16893 0 3 0x4000080 fsleep syz-executor
1956 283490 19057 0 2 0 syz-executor
1956 139717 19057 0 3 0x4000080 fsleep syz-executor
1956 497343 19057 0 3 0x4000080 fsleep syz-executor
30310 161320 59483 0 2 0x10 syz-executor
30310 62646 59483 0 3 0x4000090 fsleep syz-executor
30310 319263 59483 0 3 0x4000090 fsleep syz-executor
83404 248376 20652 0 2 0 syz-executor
83404 474362 20652 0 3 0x4000080 fsleep syz-executor
52683 399053 96899 0 3 0x80 nanoslp syz-executor
52683 9286 96899 0 3 0x4000080 sbwait syz-executor
52683 478313 96899 0 3 0x4000080 fsleep syz-executor
29228 36378 0 0 3 0x14200 acct acct
79741 244627 94385 0 3 0x82 nanoslp syz-executor
1365 482826 0 0 3 0x14280 nfsidl nfsio
84865 357271 0 0 3 0x14280 nfsidl nfsio
54393 196974 0 0 3 0x14280 nfsidl nfsio
96984 190773 0 0 3 0x14280 nfsidl nfsio
84414 140958 0 0 3 0x14280 nfsidl nfsio
70521 108083 0 0 3 0x14280 nfsidl nfsio
38360 237120 0 0 3 0x14280 nfsidl nfsio
44197 236470 0 0 3 0x14280 nfsidl nfsio
22773 209569 0 0 3 0x14280 nfsidl nfsio
68440 46647 0 0 3 0x14280 nfsidl nfsio
53188 505421 0 0 3 0x14280 nfsidl nfsio
93061 442710 0 0 3 0x14280 nfsidl nfsio
9755 143870 0 0 3 0x14280 nfsidl nfsio
26704 237666 0 0 3 0x14280 nfsidl nfsio
48166 494278 0 0 3 0x14280 nfsidl nfsio
6655 521721 0 0 3 0x14280 nfsidl nfsio
97256 83974 0 0 3 0x14280 nfsidl nfsio
80100 48265 0 0 3 0x14280 nfsidl nfsio
73641 233952 0 0 3 0x14280 nfsidl nfsio
45732 23440 0 0 3 0x14280 nfsidl nfsio
85597 144176 1 0 3 0x100083 ttyin getty
19057 126663 94385 0 3 0x82 nanoslp syz-executor
20652 270719 94385 0 3 0x82 nanoslp syz-executor
91531 164242 94385 0 2 0x2 syz-executor
59483 481972 94385 0 3 0x82 nanoslp syz-executor
53153 213910 0 0 3 0x14200 bored sosplice
96899 276662 94385 0 3 0x82 nanoslp syz-executor
16893 83749 94385 0 3 0x82 nanoslp syz-executor
61546 343584 94385 0 2 0x2 syz-executor
94385 289111 74374 0 2 0x2 syz-executor
74374 510094 32300 0 3 0x10008a sigsusp ksh
32300 273935 60207 0 3 0x98 kqread sshd-session
60207 189441 59496 0 3 0x92 kqread sshd-session
59496 195259 1 0 3 0x88 kqread sshd
57606 520757 61612 74 3 0x1100092 bpf pflogd
61612 79567 1 0 3 0x80 sbwait pflogd
13818 26776 84717 73 3 0x1100090 kqread syslogd
84717 50256 1 0 3 0x100082 sbwait syslogd
90673 328225 1 0 3 0x100080 kqread resolvd
13436 167793 33932 77 3 0x100092 kqread dhcpleased
87661 225855 33932 77 3 0x100092 kqread dhcpleased
33932 113878 1 0 3 0x80 kqread dhcpleased
10054 322665 0 0 3 0x14200 bored smr
69123 413437 0 0 2 0x14200 zerothread
97723 185704 0 0 3 0x14200 aiodoned aiodoned
50709 264173 0 0 3 0x14200 syncer update
59154 155114 0 0 3 0x14200 cleaner cleaner
79458 441961 0 0 3 0x14200 reaper reaper
92077 101209 0 0 3 0x14200 pgdaemon pagedaemon
1891 13673 0 0 3 0x14200 bored viomb
72740 444812 0 0 3 0x40014200 acpi0 acpi0
4102 207595 0 0 7 0x40014200 idle1
89581 204639 0 0 3 0x14200 bored softnet3
32207 369609 0 0 3 0x14200 bored softnet2
10284 354725 0 0 3 0x14200 bored softnet1
43851 453059 0 0 2 0x14200 softnet0
26083 329049 0 0 3 0x14200 bored systqmp
65375 281323 0 0 3 0x14200 bored systq
79299 473804 0 0 3 0x14200 tmoslp softclockmp
57618 50723 0 0 3 0x40014200 tmoslp softclock
88295 374058 0 0 3 0x40014200 idle0
1 382614 0 0 3 0x80082 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb{0}> show all locks
Process 16242 (syz-executor) thread 0xffff8000ffffbc50 (39497)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83973e58)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 __mp_acquire_count+0x58
#2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441
#3 sleep_finish+0x24f sys/kern/kern_synch.c:414
#4 biowait+0xc1 sys/kern/vfs_bio.c:1246
#5 bwrite+0x2e5 sys/kern/vfs_bio.c:758
#6 ffs_update+0x34f sys/ufs/ffs/ffs_inode.c:111
#7 ffs_truncate+0xcb6
#8 ufs_inactive+0x206 sys/ufs/ufs/ufs_inode.c:84
#9 VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495
#10 vrele+0x129 sys/kern/vfs_subr.c:845
#11 ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122
#12 ktrops+0x271 sys/kern/kern_ktrace.c:573
#13 doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline]
#13 doktrace+0x6dd sys/kern/kern_ktrace.c:517
#14 sys_ktrace+0x11c sys/kern/kern_ktrace.c:558
#15 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#15 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
#16 Xsyscall+0x128
Process 61546 (syz-executor) thread 0xffff8000ffffcf70 (343584)
exclusive rrwlock inode r = 0 (0xfffffd806bd461f8)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616
#3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
#4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159
#5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230
#6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393
#7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112
#8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394
#9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3117
#10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806ce3d0d0)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616
#3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418
#6 namei+0x7aa sys/kern/vfs_lookup.c:250
#7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3102
#8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
#9 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10225 11092K 11419K 166960K 14893 0
pcb 18 16K 18K 166960K 435 0
rtable 156 11K 12K 166960K 880 0
pf 40 19K 24K 166960K 191 0
ifaddr 28 4K 7K 166960K 117 0
ifgroup 47 2K 2K 166960K 177 0
sysctl 4 1K 1K 166960K 8 0
counters 60 35K 37K 166960K 312 0
ioctlops 0 0K 4K 166960K 1752 0
iov 0 0K 24K 166960K 172 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1452 91K 92K 166960K 3390 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 47 0
VM map 2 1K 1K 166960K 2 0
sem 24 6K 6K 166960K 110 0
dirhash 12 2K 3K 166960K 63 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 16 57K 97K 166960K 1831 0
sigio 0 0K 0K 166960K 25 0
proc 76 103K 152K 166960K 847 0
subproc 72 4K 4K 166960K 126 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 298 0
in_multi 54 3K 7K 166960K 240 0
ether_multi 1 0K 0K 166960K 16 0
mrt 1 0K 0K 166960K 3 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 235 1049K 1049K 166960K 235 0
exec 0 0K 1K 166960K 626 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 220 72K 87K 166960K 18218 0
UVM aobj 131 4K 4K 166960K 136 0
pinsyscall 41 82K 104K 166960K 3122 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 1K 166960K 85 0
NDP 10 0K 2K 166960K 88 0
temp 76 8644K 8756K 166960K 57931 0
kqueue 14 22K 30K 166960K 320 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 120 204 0 199 2 1 1 2 0 8 0
rtentry 112 211 0 156 4 0 4 4 0 8 0
unpcb 144 1650 0 1633 16 10 6 6 0 8 5
syncache 336 8 0 8 3 3 0 1 0 8 0
tcpcb 808 788 0 784 17 16 1 8 0 8 0
arp 120 36 0 27 1 0 1 1 0 8 0
inpcb 376 2269 0 2259 21 19 2 11 0 8 0
ip6q 72 1 0 1 1 1 0 1 0 8 0
ip6af 40 2 0 2 1 1 0 1 0 8 0
nd6 136 46 0 34 1 0 1 1 0 8 0
pkpcb 40 13 0 13 3 2 1 1 0 8 1
kcovpl 48 14 0 6 1 0 1 1 0 8 0
mppekey 1024 1 0 1 1 1 0 1 0 8 0
ppxss 1168 109 0 109 1 0 1 1 0 8 1
pppxif 1472 1 0 1 1 1 0 1 0 8 0
pfstscr 40 2 0 2 1 1 0 1 0 8 0
pffrag 232 12 0 2 1 0 1 1 0 482 0
pffrnode 88 11 0 2 1 0 1 1 0 8 0
pffrent 40 19 0 9 1 0 1 1 0 8 0
pfosfp 40 1428 0 1428 5 5 0 5 0 8 0
pfosfpen 112 1428 0 1428 21 21 0 21 0 8 0
pfrktable 1344 3 0 0 1 0 1 1 0 8 0
pfanchor 1288 7 0 0 1 0 1 1 0 8 0
pftag 88 2 0 0 1 0 1 1 0 8 0
pfstitem 24 132 0 49 1 0 1 1 0 8 0
pfstkey 128 134 0 51 3 0 3 3 0 8 0
pfstate 376 133 0 51 9 0 9 9 0 8 0
pfrule 1344 37 0 22 3 1 2 2 0 8 0
art_heap8 4096 5 0 1 5 1 4 4 0 8 0
art_heap4 256 898 0 620 33 9 24 33 0 8 0
art_table 32 903 0 621 5 0 5 5 0 8 0
art_node 16 207 0 159 1 0 1 1 0 8 0
sysvmsgpl 40 3 0 0 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 102 0 80 1 0 1 1 0 8 0
shmpl 112 133 0 5 4 0 4 4 0 8 0
dirhash 1024 51 0 34 3 0 3 3 0 8 0
dino2pl 256 4961 0 3455 95 0 95 95 0 8 0
ffsino 280 4961 0 3455 109 0 109 109 0 8 0
nchpl 144 7501 0 5802 64 0 64 64 0 8 0
rtmask 32 11 0 11 4 3 1 1 0 8 1
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 216 5926 0 0 330 0 330 330 0 8 0
namei 1024 27854 0 27853 3 2 1 2 0 8 0
percpumem 16 170 0 126 1 0 1 1 0 8 0
kstatmem 264 110 0 90 3 0 3 3 0 8 0
scsiplug 72 4 0 4 3 3 0 1 0 8 0
scxspl 216 23549 0 23549 12 11 1 8 1 8 1
plimitpl 152 442 0 425 1 0 1 1 0 8 0
sigapl 424 2177 0 2107 11 2 9 9 0 8 0
futexpl 64 25513 0 25506 1 0 1 1 0 8 0
knotepl 120 565 0 0 17 0 17 17 0 8 0
kqueuepl 216 743 0 732 7 6 1 5 0 8 0
pipepl 328 414 0 385 10 7 3 8 0 8 0
fdescpl 504 2114 0 2084 6 1 5 6 0 8 0
filepl 152 16265 0 16043 29 15 14 19 0 8 2
lockfpl 104 914 0 911 2 1 1 2 0 8 0
lockfspl 48 236 0 233 1 0 1 1 0 8 0
sessionpl 144 33 0 24 1 0 1 1 0 8 0
pgrppl 48 68 0 51 1 0 1 1 0 8 0
ucredpl 104 3131 0 3116 1 0 1 1 0 8 0
zombiepl 144 2107 0 2107 1 0 1 1 0 8 1
processpl 1176 2177 0 2107 6 0 6 6 0 8 0
procpl 656 4739 0 4659 9 1 8 8 0 8 0
srpgc 96 25 0 25 4 3 1 1 0 8 1
sosppl 168 13 0 13 1 1 0 1 0 8 0
sockpl 688 4290 0 4258 51 39 12 24 0 8 8
mcl64k 65536 3 0 0 1 0 1 1 0 8 0
mcl16k 16384 2 0 0 1 0 1 1 0 8 0
mcl9k 9216 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 4 0 0 1 0 1 1 0 8 0
mcl4k 4096 117 0 0 15 1 14 15 0 8 0
mcl2k2 2112 2 0 0 1 0 1 1 0 8 0
mcl2k 2048 41 0 0 5 0 5 5 0 8 0
mtagpl 96 191 0 0 5 0 5 5 0 8 0
mbufpl 256 358 0 0 22 0 22 22 0 8 0
bufpl 280 7543 0 1389 440 0 440 440 0 8 0
anonpl 24 270426 0 266976 69 22 47 51 0 184 8
amapchunkpl 152 59536 0 59057 43 17 26 27 0 158 5
amappl16 200 5224 0 5188 42 29 13 18 0 8 8
amappl15 192 16 0 16 1 1 0 1 0 8 0
amappl14 184 143 0 131 1 0 1 1 0 8 0
amappl13 176 9 0 9 2 2 0 1 0 8 0
amappl12 168 2882 0 2852 4 1 3 3 0 8 0
amappl11 160 53 0 39 1 0 1 1 0 8 0
amappl10 152 4 0 4 1 1 0 1 0 8 0
amappl9 144 246 0 245 1 0 1 1 0 8 0
amappl8 136 28 0 25 1 0 1 1 0 8 0
amappl7 128 132 0 119 1 0 1 1 0 8 0
amappl6 120 252 0 248 1 0 1 1 0 8 0
amappl5 112 179 0 169 1 0 1 1 0 8 0
amappl4 104 408 0 388 1 0 1 1 0 8 0
amappl3 96 12270 0 12159 4 0 4 4 0 8 0
amappl2 88 794 0 731 2 0 2 2 0 8 0
amappl1 80 14325 0 13749 14 0 14 14 0 8 0
amappl 88 17668 0 17504 5 0 5 5 0 92 0
dma8192 8192 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
dma512 512 1 0 1 1 1 0 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 255 0 255 3 3 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 72 135 0 5 3 0 3 3 0 8 0
uaddrrnd 24 2114 0 2084 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2114 0 2084 1 0 1 1 0 8 0
vmmpekpl 168 17321 0 17268 3 0 3 3 0 8 0
vmmpepl 168 131938 0 130101 110 14 96 98 0 357 8
vmsppl 456 2113 0 2084 7 3 4 5 0 8 0
rwobjpl 64 40163 0 33162 118 0 118 118 0 8 3
pdppl 4096 4236 0 4168 130 58 72 88 0 8 4
pvpl 32 16510 0 0 134 0 134 134 0 265 0
pmappl 248 2113 0 2084 3 0 3 3 0 8 0
extentpl 40 55 0 38 1 0 1 1 0 8 0
phpool 112 347 0 96 8 0 8 8 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
ktrops(ffff8000ffffbc50,ffffffffffffffff,0,a0c7df9b,fffffd805e2fcbf0,fffffd807f7d33a8) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline]
ktrops(ffff8000ffffbc50,ffffffffffffffff,0,a0c7df9b,fffffd805e2fcbf0,fffffd807f7d33a8) at ktrops+0x58 sys/kern/kern_ktrace.c:570
doktrace(fffffd805e2fcbf0,4,20c7df9b,0,ffff8000ffffbc50) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline]
doktrace(fffffd805e2fcbf0,4,20c7df9b,0,ffff8000ffffbc50) at doktrace+0x6dd sys/kern/kern_ktrace.c:517
sys_ktrace(ffff8000ffffbc50,ffff8000390a90e0,ffff8000390a9030) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558
syscall(ffff8000390a90e0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000390a90e0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf98091c7250, count: -5
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffff800029a9bff0) 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
acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu.c:1218
sched_idle(ffff800029a9bff0) at sched_idle+0x558 sys/kern/kern_sched.c:182
end trace frame: 0x0, count: 10
ddb{1}> trace
x86_ipi_db(ffff800029a9bff0) 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
acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu.c:1218
sched_idle(ffff800029a9bff0) at sched_idle+0x558 sys/kern/kern_sched.c:182
end trace frame: 0x0, count: -5