uvm_fault(0xffffffff82e65870, 0x0, 0, 2) -> e
kernel: page fault trap, code=2
Stopped at pool_gc_pages+0x1e1: movq %rax,0(%rcx)
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*221844 2436 0 0x14000 0x200 0 systqmp
83394 38208 0 0x14000 0x200 1 softclockmp
pool_gc_pages(0) at pool_gc_pages+0x1e1 pool_p_remove sys/kern/subr_pool.c:1049 [inline]
pool_gc_pages(0) at pool_gc_pages+0x1e1 sys/kern/subr_pool.c:1576
taskq_thread(ffffffff82cc6d20) at taskq_thread+0xf5 sys/kern/kern_task.c:450
end trace frame: 0x0, count: 13
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(0xffffffff82e65870, 0x0, 0, 2) -> e
ddb{0}> trace
pool_gc_pages(0) at pool_gc_pages+0x1e1 pool_p_remove sys/kern/subr_pool.c:1049 [inline]
pool_gc_pages(0) at pool_gc_pages+0x1e1 sys/kern/subr_pool.c:1576
taskq_thread(ffffffff82cc6d20) at taskq_thread+0xf5 sys/kern/kern_task.c:450
end trace frame: 0x0, count: -2
ddb{0}> show registers
rdi 0
rsi 0xf90
rbp 0xffff80002a11d960
rbx 0xf90
rdx 0
rcx 0
rax 0
r8 0x7f7fffffc000
r9 0
r10 0xcf6124e07bbbab4a
r11 0x9bc3950f943376fc
r12 0x1dcd65000
r13 0xfffffd807a73ef90
r14 0
r15 0xffffffff82e50c08 uvm_small_amap_pool+0x1e78
rip 0xffffffff82246881 pool_gc_pages+0x1e1
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002a11d920
ss 0x10
pool_gc_pages+0x1e1: movq %rax,0(%rcx)
ddb{0}> show proc
PROC (systqmp) tid=221844 pid=2436 tcnt=1 stat=onproc
flags process=14000<NOZOMBIE,SYSTEM> proc=200<SYSTEM>
runpri=32, usrpri=50, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0
forw=0xffffffffffffffff, list=0xffff8000ffffe000,0xffff8000ffffe530
process=0xffff80002a0fc470 user=0xffff80002a118000, vmspace=0xffffffff82e65870
estcpu=0, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
50408 501090 59988 0 2 0x8000000 syz-executor.4
57225 134037 5154 0 2 0x8000000 syz-executor.3
62487 114578 91477 0 2 0x8000000 syz-executor.2
62487 281445 91477 0 2 0xc000000 syz-executor.2
80068 195187 36505 0 2 0x8081000 syz-executor.5
80068 446091 36505 0 2 0xc081000 syz-executor.5
80068 460710 36505 0 3 0xc003000 suspend syz-executor.5
92059 111432 88545 0 2 0x8000480 syz-executor.6
92059 288759 88545 0 3 0xc000080 fsleep syz-executor.6
92059 52451 88545 0 3 0xc000080 sbwait syz-executor.6
92059 91782 88545 0 3 0xc000080 pipewr syz-executor.6
85227 293651 28596 0 2 0x8000482 syz-executor.1
51849 439666 28596 0 2 0x8000482 syz-executor.0
5154 251655 28596 0 2 0x8000482 syz-executor.3
59988 82365 28596 0 2 0x8000482 syz-executor.4
91477 178502 28596 0 2 0x8000482 syz-executor.2
88545 24551 28596 0 2 0x8000002 syz-executor.6
44449 412368 28596 0 2 0x8000482 syz-executor.7
36505 493766 28596 0 2 0x8000482 syz-executor.5
63302 120647 0 0 3 0x14200 acct acct
77872 413923 0 0 3 0x14280 nfsidl nfsio
92404 299145 0 0 3 0x14280 nfsidl nfsio
25391 271480 0 0 3 0x14280 nfsidl nfsio
35859 242485 0 0 3 0x14280 nfsidl nfsio
69796 304220 0 0 3 0x14280 nfsidl nfsio
38525 23736 0 0 3 0x14280 nfsidl nfsio
87195 290584 0 0 3 0x14280 nfsidl nfsio
20163 243332 0 0 3 0x14280 nfsidl nfsio
60744 341649 0 0 3 0x14280 nfsidl nfsio
64701 342370 0 0 3 0x14280 nfsidl nfsio
3215 294864 0 0 3 0x14280 nfsidl nfsio
43109 280342 0 0 3 0x14280 nfsidl nfsio
9644 190710 0 0 3 0x14280 nfsidl nfsio
3540 35050 0 0 3 0x14280 nfsidl nfsio
99061 28487 0 0 3 0x14280 nfsidl nfsio
64281 278660 0 0 3 0x14280 nfsidl nfsio
98677 12469 0 0 3 0x14280 nfsidl nfsio
63798 294792 0 0 3 0x14280 nfsidl nfsio
38194 468528 0 0 3 0x14280 nfsidl nfsio
67178 431953 0 0 3 0x14280 nfsidl nfsio
81398 157931 1 0 3 0x18100083 ttyin getty
18512 206025 0 0 3 0x14200 bored sosplice
28596 243960 40472 0 3 0x1a000082 thrsleep syz-fuzzer
28596 34910 40472 0 3 0x1e000082 nanoslp syz-fuzzer
28596 101076 40472 0 3 0x1e000082 wait syz-fuzzer
28596 161103 40472 0 3 0x1e000082 wait syz-fuzzer
28596 7264 40472 0 3 0x1e000082 kqread syz-fuzzer
28596 205027 40472 0 3 0x1e000082 thrsleep syz-fuzzer
28596 507350 40472 0 3 0x1e000082 thrsleep syz-fuzzer
28596 300822 40472 0 3 0x1e000082 wait syz-fuzzer
28596 70259 40472 0 3 0x1e000082 wait syz-fuzzer
28596 336084 40472 0 3 0x1e000082 wait syz-fuzzer
28596 62063 40472 0 3 0x1e000082 thrsleep syz-fuzzer
28596 192709 40472 0 3 0x1e000082 wait syz-fuzzer
28596 377 40472 0 3 0x1e000082 wait syz-fuzzer
28596 244654 40472 0 2 0x1e000082 syz-fuzzer
28596 401737 40472 0 3 0x1e000082 thrsleep syz-fuzzer
28596 212034 40472 0 3 0x1e000082 wait syz-fuzzer
40472 235840 33174 0 3 0x810008a sigsusp ksh
33174 194086 39150 0 3 0x1800009a kqread sshd
39150 144055 1 0 3 0x18000088 kqread sshd
33901 225928 25798 73 2 0x19100090 syslogd
25798 224704 1 0 3 0x18100082 sbwait syslogd
5253 334440 1 0 3 0x18100080 kqread resolvd
19781 380486 81471 77 3 0x18100092 kqread dhcpleased
1847 34852 81471 77 3 0x18100092 kqread dhcpleased
81471 247256 1 0 3 0x18000080 kqread dhcpleased
84369 260748 0 0 2 0x14200 smr
75193 436711 0 0 2 0x14200 zerothread
35652 38152 0 0 3 0x14200 aiodoned aiodoned
82143 193551 0 0 2 0x14600 update
13193 215129 0 0 3 0x14200 cleaner cleaner
28744 357790 0 0 2 0x14200 reaper
96364 73301 0 0 3 0x14200 pgdaemon pagedaemon
39680 185221 0 0 3 0x14200 bored viomb
11005 26829 0 0 3 0x40014200 acpi0 acpi0
40420 126719 0 0 3 0x40014200 idle1
69749 518146 0 0 3 0x14200 bored softnet3
53971 21864 0 0 3 0x14200 bored softnet2
6996 139611 0 0 3 0x14200 bored softnet1
93806 379518 0 0 2 0x14200 softnet0
* 2436 221844 0 0 7 0x14200 systqmp
26100 362894 0 0 3 0x14200 bored systq
38208 83394 0 0 7 0x14200 softclockmp
64773 100614 0 0 3 0x40014200 tmoslp softclock
67675 14645 0 0 3 0x40014200 idle0
1 295744 0 0 3 0x8000082 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
CPU 0:
exclusive mutex amappl16 r = 0 (0xffffffff82e50c18)
#0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x446 sys/kern/subr_witness.c:1187
#1 mtx_enter_try+0x103
#2 pool_gc_pages+0xa7 pl_enter_try sys/kern/subr_pool.c:109 [inline]
#2 pool_gc_pages+0xa7 sys/kern/subr_pool.c:1568
#3 taskq_thread+0xf5 sys/kern/kern_task.c:450
#4 proc_trampoline+0x10
CPU 1:
exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806add68d8)
#0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x446 sys/kern/subr_witness.c:1187
#1 mtx_enter_try+0x103
#2 mtx_enter+0x4e sys/kern/kern_lock.c:266
#3 pmap_do_remove+0x99 rcr3 machine/cpufunc.h:141 [inline]
#3 pmap_do_remove+0x99 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:425 [inline]
#3 pmap_do_remove+0x99 sys/arch/amd64/amd64/pmap.c:1800
#4 uvm_unmap_kill_entry_withlock+0x1b1 sys/uvm/uvm_map.c:1897
#5 uvm_map_teardown+0x1c7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline]
#5 uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2534
#6 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461
#7 reaper+0x197 sys/kern/kern_exit.c:463
#8 proc_trampoline+0x10
Process 62487 (syz-executor.2) thread 0xffff80002a1ff210 (281445)
exclusive rrwlock inode r = 0 (0xfffffd80663fbf80)
#0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x446 sys/kern/subr_witness.c:1187
#1 rw_enter+0x32d sys/kern/kern_rwlock.c:309
#2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464
#3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4 ufs_ihashins+0x46
#5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1230
#6 ffs_inode_alloc+0x1e4 sys/ufs/ffs/ffs_alloc.c:393
#7 ufs_mkdir+0xe6 sys/ufs/ufs/ufs_vnops.c:1117
#8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388
#9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3077
#10 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
#10 syscall+0x854 sys/arch/amd64/amd64/trap.c:577
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8068251e68)
#0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x446 sys/kern/subr_witness.c:1187
#1 rw_enter+0x32d sys/kern/kern_rwlock.c:309
#2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464
#3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4 vn_lock+0x85 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418
#6 namei+0x56a sys/kern/vfs_lookup.c:250
#7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3062
#8 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
#8 syscall+0x854 sys/arch/amd64/amd64/trap.c:577
#9 Xsyscall+0x128
Process 28744 (reaper) thread 0xffff80002a149488 (357790)
exclusive rwlock vmmaplk r = 0 (0xfffffd806a0a00f0)
#0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x446 sys/kern/subr_witness.c:1187
#1 rw_enter+0x32d sys/kern/kern_rwlock.c:309
#2 vm_map_lock_ln+0xfa sys/uvm/uvm_map.c:5291
#3 uvm_map_teardown+0xb3 sys/uvm/uvm_map.c:2502
#4 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461
#5 reaper+0x197 sys/kern/kern_exit.c:463
#6 proc_trampoline+0x10
Process 2436 (systqmp) thread 0xffff8000ffffe290 (221844)
shared rwlock pools r = 0 (0xffffffff82d2f570)
#0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x446 sys/kern/subr_witness.c:1187
#1 pool_gc_pages+0x25 sys/kern/subr_pool.c:1560
#2 taskq_thread+0xf5 sys/kern/kern_task.c:450
#3 proc_trampoline+0x10
shared rwlock systqmp r = 0 (0xffffffff82cc6d90)
#0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x446 sys/kern/subr_witness.c:1187
#1 taskq_thread+0xda sys/kern/kern_task.c:446
#2 proc_trampoline+0x10
exclusive mutex amappl16 r = 0 (0xffffffff82e50c18)
#0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x446 sys/kern/subr_witness.c:1187
#1 mtx_enter_try+0x103
#2 pool_gc_pages+0xa7 pl_enter_try sys/kern/subr_pool.c:109 [inline]
#2 pool_gc_pages+0xa7 sys/kern/subr_pool.c:1568
#3 taskq_thread+0xf5 sys/kern/kern_task.c:450
#4 proc_trampoline+0x10
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10212 6576K 6884K 166960K 12821 0
pcb 17 16K 18K 166960K 492 0
rtable 207 6K 8K 166960K 976 0
pf 30 9K 10K 166960K 147 0
ifaddr 40 14K 15K 166960K 146 0
ifgroup 51 2K 2K 166960K 237 0
sysctl 3 1K 1K 166960K 3 0
counters 64 36K 36K 166960K 152 0
ioctlops 0 0K 4K 166960K 1562 0
iov 0 0K 40K 166960K 87 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1441 91K 91K 166960K 2881 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 51 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 197 0
dirhash 12 2K 2K 166960K 72 0
ACPI 1697 195K 286K 166960K 12548 0
file desc 16 57K 93K 166960K 2130 0
sigio 0 0K 0K 166960K 55 0
proc 58 79K 115K 166960K 1053 0
subproc 104 6K 7K 166960K 325 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 332 0
in_multi 87 6K 7K 166960K 347 0
ether_multi 1 0K 0K 166960K 19 0
mrt 1 0K 0K 166960K 5 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 151 678K 678K 166960K 151 0
exec 0 0K 1K 166960K 748 0
pfkey data 0 0K 0K 166960K 2 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 305 207K 216K 166960K 21045 0
UVM aobj 93 8K 8K 166960K 109 0
pinsyscall 36 72K 100K 166960K 3723 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 73 0
NDP 11 0K 1K 166960K 105 0
temp 74 6820K 7316K 166960K 65059 0
kqueue 12 18K 28K 166960K 319 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 120 218 0 215 1 0 1 1 0 8 0
rtentry 112 327 0 232 5 1 4 4 0 8 0
unpcb 144 2031 0 2016 13 12 1 6 0 8 0
syncache 336 4 0 4 1 1 0 1 0 8 0
tcpqe 32 40 0 40 2 2 0 1 0 8 0
tcpcb 808 684 0 679 14 13 1 8 0 8 0
arp 120 54 0 40 1 0 1 1 0 8 0
inpcb 384 2592 0 2584 38 36 2 16 0 8 1
nd6 136 96 0 72 2 1 1 2 0 8 0
pkpcb 40 18 0 18 6 6 0 1 0 8 0
kcovpl 48 25 0 17 1 0 1 1 0 8 0
ppxss 1168 4 0 4 3 3 0 1 0 8 0
pffrag 232 15 0 12 2 1 1 1 0 482 0
pffrnode 88 15 0 12 2 1 1 1 0 8 0
pffrent 40 194 0 191 3 2 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 24 146 0 109 1 0 1 1 0 8 0
pfstkey 128 146 0 109 2 0 2 2 0 8 0
pfstate 376 146 0 109 6 2 4 6 0 8 0
pfrule 1344 21 0 16 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 1261 0 846 41 11 30 30 0 8 0
art_table 32 1262 0 846 4 0 4 4 0 8 0
art_node 16 326 0 241 1 0 1 1 0 8 0
sysvmsgpl 40 13 0 7 2 1 1 1 0 8 0
semapl 112 195 0 185 1 0 1 1 0 8 0
shmpl 112 106 0 16 3 0 3 3 0 8 0
dirhash 1024 57 0 40 3 0 3 3 0 8 0
dino2pl 256 4983 0 3460 96 0 96 96 0 8 0
ffsino 272 4983 0 3460 103 1 102 103 0 8 0
nchpl 144 7911 0 6167 67 0 67 67 0 8 0
uvmvnodes 80 5835 0 0 120 0 120 120 0 8 0
vnodes 216 5835 0 0 325 0 325 325 0 8 0
namei 1024 28653 0 28652 4 3 1 2 0 8 0
percpumem 16 90 0 44 1 0 1 1 0 8 0
vcpupl 3904 16 0 1 2 0 2 2 0 8 0
vmpool 696 18 0 3 2 0 2 2 0 8 0
kstatmem 264 110 0 88 2 0 2 2 0 8 0
scsiplug 72 5 0 5 2 2 0 1 0 8 0
scxspl 216 31333 0 31333 14 13 1 8 1 8 1
plimitpl 152 275 0 259 1 0 1 1 0 8 0
sigapl 424 2421 0 2352 10 1 9 9 0 8 0
futexpl 64 23662 0 23661 1 0 1 1 0 8 0
knotepl 120 367 0 0 11 0 11 11 0 8 0
kqueuepl 216 710 0 637 7 2 5 5 0 8 0
pipepl 320 427 0 398 7 3 4 6 0 8 0
fdescpl 496 2381 0 2354 6 2 4 5 0 8 0
filepl 152 15992 0 15676 42 29 13 19 0 8 0
lockfpl 104 725 0 723 2 1 1 2 0 8 0
lockfspl 48 174 0 172 1 0 1 1 0 8 0
sessionpl 144 42 0 26 1 0 1 1 0 8 0
pgrppl 48 129 0 113 1 0 1 1 0 8 0
ucredpl 104 2688 0 2678 1 0 1 1 0 8 0
zombiepl 144 2356 0 2352 2 1 1 1 0 8 0
processpl 1136 2421 0 2352 7 1 6 6 0 8 0
procpl 656 5115 0 5023 9 0 9 9 0 8 0
srpgc 96 32 0 32 9 8 1 1 0 8 1
sosppl 168 37 0 37 5 4 1 1 0 8 1
sockpl 664 4870 0 4844 48 44 4 16 0 8 1
mcl64k 65536 3 0 0 1 0 1 1 0 8 0
mcl12k 12288 2 0 0 1 0 1 1 0 8 0
mcl8k 8192 7 0 0 1 0 1 1 0 8 0
mcl4k 4096 4 0 0 1 0 1 1 0 8 0
mcl2k 2048 346 0 0 44 0 44 44 0 8 0
mtagpl 96 13 0 0 1 0 1 1 0 8 0
mbufpl 256 480 0 0 26 0 26 26 0 8 0
bufpl 280 9003 0 2748 447 0 447 447 0 8 0
anonpl 24 357375 0 346676 113 46 67 68 0 186 1
amapchunkpl 152 67706 0 66737 60 19 41 41 0 158 0
amappl16 200 7311 0 7177 41 24 17 20 0 8 7
amappl16: pool(0xffffffff82e50c08:amappl16): page inconsistency: page 0x0; at page head addr 0xfffffd807a73ef90 (p 0xfffffd807a73e000)
amappl15 192 9 0 8 1 0 1 1 0 8 0
amappl14 184 201 0 190 2 1 1 2 0 8 0
amappl13 176 9 0 8 1 0 1 1 0 8 0
amappl12 168 3293 0 3265 3 1 2 2 0 8 0
amappl11 160 58 0 47 1 0 1 1 0 8 0
amappl10 152 60 0 49 1 0 1 1 0 8 0
amappl9 144 192 0 192 3 3 0 1 0 8 0
amappl8 136 206 0 170 2 0 2 2 0 8 0
amappl7 128 44 0 31 1 0 1 1 0 8 0
amappl6 120 593 0 577 2 1 1 2 0 8 0
amappl5 112 236 0 224 1 0 1 1 0 8 0
amappl4 104 669 0 635 2 0 2 2 0 8 0
amappl3 96 13215 0 13124 3 0 3 3 0 8 0
amappl2 88 2806 0 2736 4 2 2 4 0 8 0
amappl1 80 16749 0 16257 22 10 12 22 0 8 0
amappl 88 20265 0 20055 6 0 6 6 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 72 108 0 16 2 0 2 2 0 8 0
uaddrrnd 24 2399 0 2357 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2399 0 2357 1 0 1 1 0 8 0
vmmpekpl 168 21596 0 21524 5 1 4 4 0 8 0
vmmpepl 168 160496 0 158585 157 60 97 115 0 357 4
vmsppl 440 2398 0 2356 7 1 6 6 0 8 0
rwobjpl 56 48066 0 41029 107 5 102 102 0 8 2
pdppl 4096 4805 0 4727 179 97 82 85 0 8 4
pvpl 32 48501 0 0 393 1 392 392 0 265 0
pmappl 248 2398 0 2356 3 0 3 3 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 521 0 131 12 0 12 12 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
pool_gc_pages(0) at pool_gc_pages+0x1e1 pool_p_remove sys/kern/subr_pool.c:1049 [inline]
pool_gc_pages(0) at pool_gc_pages+0x1e1 sys/kern/subr_pool.c:1576
taskq_thread(ffffffff82cc6d20) at taskq_thread+0xf5 sys/kern/kern_task.c:450
end trace frame: 0x0, count: -2
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp
x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e 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+0x27
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:589 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:158
msleep_nsec(ffffffff82e900e0,ffffffff82d4e1f0,0,ffffffff8295a30c,ffffffffffffffff) at msleep_nsec+0x4c sys/kern/kern_synch.c:263
softclock_thread_mp(ffff8000ffffe7b0) at softclock_thread_mp+0x7f sys/kern/kern_timeout.c:834
end trace frame: 0x0, count: 9
ddb{1}> trace
x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e 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+0x27
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:589 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:158
msleep_nsec(ffffffff82e900e0,ffffffff82d4e1f0,0,ffffffff8295a30c,ffffffffffffffff) at msleep_nsec+0x4c sys/kern/kern_synch.c:263
softclock_thread_mp(ffff8000ffffe7b0) at softclock_thread_mp+0x7f sys/kern/kern_timeout.c:834
end trace frame: 0x0, count: -6