panic: mtx 0xffffffff8389d328: locking against myself
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*118642 93729 32767 0x10 0 0 syz-executor
517770 26603 32767 0x10 0 1 syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff833cb375) at panic+0x1e5 sys/kern/subr_prf.c:198
mtx_enter_try(ffffffff8389d328) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271
mtx_enter(ffffffff8389d328) at mtx_enter+0x60 sys/kern/kern_lock.c:239
uvm_pageclean(fffffd8008508640) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980
uvm_pagefree(fffffd8008508640) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020
uvn_get(fffffd806b9f6308,0,ffff80003c51a2a8,ffff80003c51a284,0,2,4a6ea6ec5ad48148,ffff80003c51a500) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118
uvm_fault_lower_io(ffff80003c51a4c8,ffff80003c51a500,ffff80003c51a330,ffff80003c51a338) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588
uvm_fault_lower(ffff80003c51a4c8,ffff80003c51a500,ffff80003c51a440) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362
uvm_fault(fffffd8069579ae0,400000000000,0,2) at uvm_fault+0x272
upageflttrap(ffff80003c51a650,400000000100) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188
usertrap(ffff80003c51a650) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7c7a3443fe30, count: 2
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: mtx 0xffffffff8389d328: locking against myself
ddb{0}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff833cb375) at panic+0x1e5 sys/kern/subr_prf.c:198
mtx_enter_try(ffffffff8389d328) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271
mtx_enter(ffffffff8389d328) at mtx_enter+0x60 sys/kern/kern_lock.c:239
uvm_pageclean(fffffd8008508640) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980
uvm_pagefree(fffffd8008508640) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020
uvn_get(fffffd806b9f6308,0,ffff80003c51a2a8,ffff80003c51a284,0,2,4a6ea6ec5ad48148,ffff80003c51a500) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118
uvm_fault_lower_io(ffff80003c51a4c8,ffff80003c51a500,ffff80003c51a330,ffff80003c51a338) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588
uvm_fault_lower(ffff80003c51a4c8,ffff80003c51a500,ffff80003c51a440) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362
uvm_fault(fffffd8069579ae0,400000000000,0,2) at uvm_fault+0x272
upageflttrap(ffff80003c51a650,400000000100) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188
usertrap(ffff80003c51a650) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7c7a3443fe30, count: -13
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff80003c519ff0
rbx 0xffffffff837e2dc7 cpu_info_full_primary+0x2dc7
rdx 0
rcx 0xffff8000ffff87d0
rax 0xffffffff837e1ff0 cpu_info_full_primary+0x1ff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0x9fcf1147e9d040d9
r11 0xc05c0ed39a74f94c
r12 0xffffffff837e2bc8 cpu_info_full_primary+0x2bc8
r13 0
r14 0
r15 0x1
rip 0xffffffff82bd5905 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80003c519fe0
ss 0
db_enter+0x25: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor) tid=118642 pid=93729 tcnt=4 stat=onproc
flags process=10<SUGID> proc=0
runpri=50, usrpri=50, slppri=36, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff8000ffff9210,0xffff8000ffff99d0
process=0xffff8000ffff0020 user=0xffff80003c515000, vmspace=0xfffffd8069579ae0
estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*93729 118642 64047 32767 7 0x10 syz-executor
93729 72816 64047 32767 3 0x4000090 fsleep syz-executor
93729 139398 64047 32767 3 0x4000010 biowait syz-executor
93729 487852 64047 32767 3 0x4000090 fsleep syz-executor
56849 9483 59155 32767 3 0x90 nanoslp syz-executor
56849 468786 59155 32767 3 0x4000090 kqsel syz-executor
56849 165188 59155 32767 3 0x4000090 fsleep syz-executor
56849 91041 59155 32767 3 0x4000090 fsleep syz-executor
51966 473061 85955 32767 3 0x90 nanoslp syz-executor
51966 517771 85955 32767 3 0x4000090 sbwait syz-executor
51966 169531 85955 32767 3 0x4000090 fsleep syz-executor
85225 259068 71186 32767 3 0x400090 nanoslp syz-executor
85225 22545 71186 32767 3 0x4400090 ttyout syz-executor
85225 326978 71186 32767 3 0x4400090 fsleep syz-executor
22633 386406 87476 32767 3 0x90 nanoslp syz-executor
22633 30227 87476 32767 3 0x4000090 lockf syz-executor
22633 353726 87476 32767 3 0x4000090 fsleep syz-executor
85955 206289 30722 32767 3 0x90 nanoslp syz-executor
59155 3451 91144 32767 3 0x90 nanoslp syz-executor
87476 420087 4827 32767 3 0x90 nanoslp syz-executor
26034 256238 86251 32767 3 0x90 nanoslp syz-executor
26603 517770 93406 32767 7 0x10 syz-executor
64047 445253 80183 32767 3 0x90 nanoslp syz-executor
71186 102276 15700 32767 3 0x90 nanoslp syz-executor
86251 104669 94022 0 3 0x82 wait syz-executor
4827 480525 94022 0 3 0x82 wait syz-executor
93406 84395 94022 0 3 0x82 wait syz-executor
80183 166533 94022 0 3 0x82 wait syz-executor
15013 1653 94022 0 3 0x82 wait syz-executor
30722 310394 94022 0 3 0x82 wait syz-executor
91144 279388 94022 0 3 0x82 wait syz-executor
15700 73590 94022 0 3 0x82 wait syz-executor
94022 317804 77246 0 3 0x82 kqread syz-executor
77246 466132 78674 0 3 0x10008a sigsusp ksh
78674 359269 35180 0 3 0x98 kqread sshd-session
35180 222685 20601 0 3 0x92 kqread sshd-session
70643 12106 1 0 3 0x100083 ttyin getty
20601 443936 1 0 3 0x88 kqread sshd
55234 263021 30224 73 3 0x1100090 kqread syslogd
30224 194017 1 0 3 0x100082 sbwait syslogd
91012 327632 1 0 3 0x100080 kqread resolvd
65215 367992 34650 77 3 0x100092 kqread dhcpleased
2598 67820 34650 77 3 0x100092 kqread dhcpleased
34650 427201 1 0 3 0x80 kqread dhcpleased
32015 171119 0 0 3 0x14200 bored smr
5568 330823 0 0 3 0x14200 pgzero zerothread
53643 32991 0 0 3 0x14200 aiodoned aiodoned
96544 136899 0 0 3 0x14200 syncer update
57482 271126 0 0 3 0x14200 cleaner cleaner
6519 116816 0 0 3 0x14200 reaper reaper
36921 397231 0 0 3 0x14200 pgdaemon pagedaemon
82126 17246 0 0 3 0x14200 bored viomb
19443 250827 0 0 3 0x40014200 acpi0 acpi0
75183 421166 0 0 3 0x40014200 idle1
98302 183085 0 0 3 0x14200 bored softnet3
99086 363993 0 0 3 0x14200 bored softnet2
8169 333326 0 0 3 0x14200 bored softnet1
46394 72833 0 0 3 0x14200 bored softnet0
8230 95216 0 0 3 0x14200 bored systqmp
64564 360838 0 0 3 0x14200 bored systq
34742 498734 0 0 3 0x14200 tmoslp softclockmp
80436 469040 0 0 3 0x40014200 tmoslp softclock
13223 387722 0 0 3 0x40014200 idle0
1 182328 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
CPU 0:
exclusive mutex &uvm.pageqlock r = 0 (0xffffffff8389d338)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 mtx_enter_try+0x178
#2 mtx_enter+0x60 sys/kern/kern_lock.c:239
#3 uvn_get+0x679 sys/uvm/uvm_vnode.c:1117
#4 uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588
#5 uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362
#6 uvm_fault+0x272
#7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188
#8 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436
#9 recall_trap+0x8
Process 93729 (syz-executor) thread 0xffff8000ffff87d0 (118642)
exclusive rwlock uobjlk r = 0 (0xfffffd806954fb20)
#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 uvn_io+0x667 sys/uvm/uvm_vnode.c:1297
#3 uvn_get+0x31d sys/uvm/uvm_vnode.c:1102
#4 uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588
#5 uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362
#6 uvm_fault+0x272
#7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188
#8 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436
#9 recall_trap+0x8
exclusive mutex &uvm.pageqlock r = 0 (0xffffffff8389d338)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 mtx_enter_try+0x178
#2 mtx_enter+0x60 sys/kern/kern_lock.c:239
#3 uvn_get+0x679 sys/uvm/uvm_vnode.c:1117
#4 uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588
#5 uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362
#6 uvm_fault+0x272
#7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188
#8 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436
#9 recall_trap+0x8
Process 93729 (syz-executor) thread 0xffff8000ffff82b0 (139398)
exclusive rrwlock inode r = 0 (0xfffffd806c93d538)
#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 sys_ftruncate+0x1c4 sys/kern/vfs_syscalls.c:2920
#6 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
#7 Xsyscall+0x128
Process 93729 (syz-executor) thread 0xffff8000ffff8020 (487852)
shared rwlock vmmaplk r = 0 (0xfffffd8069579be0)
#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_read+0x3af sys/kern/kern_rwlock.c:405
#2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1864
#3 uvm_fault_check+0x4b sys/uvm/uvm_fault.c:730
#4 uvm_fault+0x106 sys/uvm/uvm_fault.c:666
#5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188
#6 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436
#7 recall_trap+0x8
Process 26603 (syz-executor) thread 0xffff8000ffffa2a8 (517770)
exclusive rrwlock inode r = 0 (0xfffffd806c93dbc8)
#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 (0xfffffd806c7a5f08)
#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 10185 10954K 10965K 166960K 11264 0
pcb 17 12K 12K 166960K 17 0
rtable 236 6K 6K 166960K 346 0
pf 31 16K 16K 166960K 31 0
ifaddr 42 7K 7K 166960K 44 0
ifgroup 50 2K 2K 166960K 50 0
sysctl 1 1K 1K 166960K 1 0
counters 64 36K 36K 166960K 64 0
ioctlops 0 0K 2K 166960K 29 0
iov 0 0K 12K 166960K 6 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1332 84K 84K 166960K 1353 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 3 0
VM map 2 1K 1K 166960K 2 0
sem 4 0K 0K 166960K 4 0
dirhash 12 2K 2K 166960K 15 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 24 89K 129K 166960K 186 0
sigio 0 0K 0K 166960K 2 0
proc 59 91K 115K 166960K 478 0
subproc 72 4K 4K 166960K 72 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 9 0
in_multi 99 7K 7K 166960K 100 0
ether_multi 1 0K 0K 166960K 1 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 67 307K 307K 166960K 67 0
exec 0 0K 1K 166960K 343 0
fusefs mount 1 32K 32K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 247 74K 77K 166960K 2983 0
UVM aobj 5 2K 2K 166960K 5 0
pinsyscall 45 90K 114K 166960K 1183 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 5 0
NDP 21 1K 2K 166960K 27 0
temp 37 8682K 8746K 166960K 3788 0
kqueue 13 20K 24K 166960K 27 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 37 0 34 1 0 1 1 0 8 0
rtentry 160 112 0 1 5 0 5 5 0 8 0
unpcb 144 73 0 52 2 0 2 2 0 8 1
syncache 336 4 0 4 1 0 1 1 0 8 1
tcpqe 32 1 0 1 1 0 1 1 0 8 1
tcpcb 808 33 0 26 1 0 1 1 0 8 0
arp 120 18 0 0 1 0 1 1 0 8 0
inpcb 376 109 0 95 2 0 2 2 0 8 0
nd6 136 25 0 0 1 0 1 1 0 8 0
kcovpl 48 8 0 0 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 458 0 0 29 0 29 29 0 8 0
art_table 32 459 0 0 4 0 4 4 0 8 0
art_node 16 111 0 10 1 0 1 1 0 8 0
sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0
semapl 112 2 0 0 1 0 1 1 0 8 0
shmpl 112 2 0 0 1 0 1 1 0 8 0
dirhash 1024 19 0 2 3 0 3 3 0 8 0
dino2pl 256 1620 0 115 95 0 95 95 0 8 0
ffsino 280 1620 0 115 108 0 108 108 0 8 0
nchpl 144 1865 0 190 63 0 63 63 0 8 0
uvmvnodes 80 1701 0 0 35 0 35 35 0 8 0
vnodes 216 1701 0 0 95 0 95 95 0 8 0
namei 1024 5559 0 5558 1 0 1 1 0 8 0
percpumem 16 46 0 0 1 0 1 1 0 8 0
kstatmem 264 22 0 0 2 0 2 2 0 8 0
scxspl 216 5961 0 5959 3 1 2 2 1 8 1
plimitpl 152 41 0 15 2 0 2 2 0 8 0
sigapl 424 457 0 403 8 0 8 8 0 8 1
futexpl 64 732 0 725 1 0 1 1 0 8 0
knotepl 120 322 0 0 10 0 10 10 0 8 0
kqueuepl 216 31 0 21 1 0 1 1 0 8 0
pipepl 328 105 0 78 3 0 3 3 0 8 0
fdescpl 504 439 0 403 7 1 6 6 0 8 0
filepl 152 1649 0 1422 10 0 10 10 0 8 1
lockfpl 104 19 0 12 1 0 1 1 0 8 0
lockfspl 48 11 0 5 1 0 1 1 0 8 0
sessionpl 144 22 0 6 1 0 1 1 0 8 0
pgrppl 48 30 0 6 1 0 1 1 0 8 0
ucredpl 104 153 0 134 1 0 1 1 0 8 0
zombiepl 144 405 0 403 1 0 1 1 0 8 0
processpl 1176 457 0 403 5 0 5 5 0 8 0
procpl 656 545 0 479 6 0 6 6 0 8 0
sockpl 688 219 0 181 5 0 5 5 0 8 1
mcl64k 65536 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 4 0 0 1 0 1 1 0 8 0
mcl4k 4096 120 0 0 15 0 15 15 0 8 0
mcl2k 2048 17 0 0 3 0 3 3 0 8 0
mtagpl 96 2 0 0 1 0 1 1 0 8 0
mbufpl 256 166 0 0 11 0 11 11 0 8 0
bufpl 280 2289 0 124 155 0 155 155 0 8 0
anonpl 24 99293 0 96049 34 1 33 33 0 184 10
amapchunkpl 152 9190 0 8623 28 0 28 28 0 158 2
amappl16 200 1838 0 1814 5 0 5 5 0 8 3
amappl15 192 20 0 20 2 2 0 1 0 8 0
amappl14 184 128 0 118 1 0 1 1 0 8 0
amappl13 176 5 0 5 1 1 0 1 0 8 0
amappl12 168 1040 0 1004 2 0 2 2 0 8 0
amappl11 160 52 0 42 1 0 1 1 0 8 0
amappl10 152 8 0 8 2 2 0 1 0 8 0
amappl9 144 247 0 247 1 0 1 1 0 8 1
amappl8 136 25 0 24 1 0 1 1 0 8 0
amappl7 128 93 0 83 1 0 1 1 0 8 0
amappl6 120 174 0 171 1 0 1 1 0 8 0
amappl5 112 118 0 112 1 0 1 1 0 8 0
amappl4 104 274 0 258 1 0 1 1 0 8 0
amappl3 96 1439 0 1309 4 0 4 4 0 8 0
amappl2 88 601 0 547 2 0 2 2 0 8 0
amappl1 80 7818 0 7274 14 0 14 14 0 8 0
amappl 88 2638 0 2441 5 0 5 5 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 4 0 0 1 0 1 1 0 8 0
uaddrrnd 24 440 0 404 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 440 0 404 1 0 1 1 0 8 0
vmmpekpl 168 5222 0 5194 2 0 2 2 0 8 0
vmmpepl 168 33718 0 31755 93 0 93 93 0 357 3
vmsppl 456 439 0 404 7 1 6 6 0 8 0
rwobjpl 64 14247 0 11695 43 0 43 43 0 8 0
pdppl 4096 888 0 808 112 18 94 100 0 8 14
pvpl 32 12697 0 0 105 2 103 104 0 265 0
pmappl 248 439 0 404 4 1 3 3 0 8 0
extentpl 40 55 0 38 1 0 1 1 0 8 0
phpool 112 284 0 21 8 0 8 8 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff833cb375) at panic+0x1e5 sys/kern/subr_prf.c:198
mtx_enter_try(ffffffff8389d328) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271
mtx_enter(ffffffff8389d328) at mtx_enter+0x60 sys/kern/kern_lock.c:239
uvm_pageclean(fffffd8008508640) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980
uvm_pagefree(fffffd8008508640) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020
uvn_get(fffffd806b9f6308,0,ffff80003c51a2a8,ffff80003c51a284,0,2,4a6ea6ec5ad48148,ffff80003c51a500) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118
uvm_fault_lower_io(ffff80003c51a4c8,ffff80003c51a500,ffff80003c51a330,ffff80003c51a338) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588
uvm_fault_lower(ffff80003c51a4c8,ffff80003c51a500,ffff80003c51a440) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362
uvm_fault(fffffd8069579ae0,400000000000,0,2) at uvm_fault+0x272
upageflttrap(ffff80003c51a650,400000000100) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188
usertrap(ffff80003c51a650) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7c7a3443fe30, count: -13
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
x2apic_writereg(380,591769) at x2apic_writereg+0x45 sys/arch/amd64/amd64/lapic.c:156
clockintr_dispatch(ffff8000370a1c70) at clockintr_dispatch+0x631 sys/kern/kern_clockintr.c:240
lapic_clockintr(0,0) at lapic_clockintr+0x51 sys/arch/amd64/amd64/lapic.c:489
Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a
__mp_lock(ffffffff83981130) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff83981130) at __mp_lock+0x192 sys/kern/kern_lock.c:144
__mp_acquire_count(ffffffff83981130,1) at __mp_acquire_count+0x58
mi_switch() at mi_switch+0x4b7 sys/kern/sched_bsd.c:441
sleep_finish(0,1) at sleep_finish+0x24f sys/kern/kern_synch.c:412
biowait(fffffd806bf08350) at biowait+0xc1 sys/kern/vfs_bio.c:1246
bwrite(fffffd806bf08350) at bwrite+0x2e5 sys/kern/vfs_bio.c:758
VOP_BWRITE(fffffd806bf08350) at VOP_BWRITE+0x60 sys/kern/vfs_vops.c:648
end trace frame: 0xffff8000370a20e0, count: 0
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
x2apic_writereg(380,591769) at x2apic_writereg+0x45 sys/arch/amd64/amd64/lapic.c:156
clockintr_dispatch(ffff8000370a1c70) at clockintr_dispatch+0x631 sys/kern/kern_clockintr.c:240
lapic_clockintr(0,0) at lapic_clockintr+0x51 sys/arch/amd64/amd64/lapic.c:489
Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a
__mp_lock(ffffffff83981130) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff83981130) at __mp_lock+0x192 sys/kern/kern_lock.c:144
__mp_acquire_count(ffffffff83981130,1) at __mp_acquire_count+0x58
mi_switch() at mi_switch+0x4b7 sys/kern/sched_bsd.c:441
sleep_finish(0,1) at sleep_finish+0x24f sys/kern/kern_synch.c:412
biowait(fffffd806bf08350) at biowait+0xc1 sys/kern/vfs_bio.c:1246
bwrite(fffffd806bf08350) at bwrite+0x2e5 sys/kern/vfs_bio.c:758
VOP_BWRITE(fffffd806bf08350) at VOP_BWRITE+0x60 sys/kern/vfs_vops.c:648
ufs_mkdir(ffff8000370a20f0) at ufs_mkdir+0x581 sys/ufs/ufs/ufs_vnops.c:1160
VOP_MKDIR(fffffd806c46cb30,ffff8000370a2250,ffff8000370a2280,ffff8000370a2180) at VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394
domkdirat(ffff8000ffffa2a8,ffffff9c,7232d15e7ab0,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3117
syscall(ffff8000370a2400) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000370a2400) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7232d15e7b50, count: -19