witness: lock order reversal:
1st 0xffffffff838c8b88 &sched_lock (&sched_lock)
2nd 0xffff8000299eee08 &cq->cq_mtx (&cq->cq_mtx)
lock order [1] &sched_lock (&sched_lock) -> [2] &cq->cq_mtx (&cq->cq_mtx)
#0 mtx_enter+0x4a sys/kern/kern_lock.c:260
#1 clockintr_cancel+0x2f sys/kern/kern_clockintr.c:323
#2 mi_switch+0x16f sys/kern/sched_bsd.c:378
#3 sleep_finish+0x2d8 sys/kern/kern_synch.c:367
#4 sys_futex+0xa99 futex_wait sys/kern/sys_futex.c:301 [inline]
#4 sys_futex+0xa99 sys/kern/sys_futex.c:151
#5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
#6 Xsyscall+0x128
lock order [2] &cq->cq_mtx (&cq->cq_mtx) -> [1] &sched_lock (&sched_lock)
#0 mtx_enter+0x4a sys/kern/kern_lock.c:260
#1 sleep_setup+0xc6 sys/kern/kern_synch.c:302
#2 msleep_nsec+0x10b sys/kern/kern_synch.c:217
#3 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582
#4 dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
#4 dtclose+0x109 sys/dev/dt/dt_dev.c:232
#5 spec_close+0x466 sys/kern/spec_vnops.c:-1
#6 VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156
#7 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
#7 vn_closefile+0x12b sys/kern/vfs_vnops.c:615
#8 fdrop+0x121 sys/kern/kern_descrip.c:1280
#9 closef+0x192 sys/kern/kern_descrip.c:1264
#10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
#11 Xsyscall+0x128
Stopped at db_enter+0x25: addq $0x8,%rsp
ddb{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
the kernel did not panic
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
witness_checkorder(ffff8000299eee08,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1
mtx_enter(ffff8000299eedf8) at mtx_enter+0x4a sys/kern/kern_lock.c:260
clockintr_cancel(ffff8000299ee2f8) at clockintr_cancel+0x2f sys/kern/kern_clockintr.c:323
mi_switch() at mi_switch+0x16f sys/kern/sched_bsd.c:378
sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:367
sys_futex(ffff8000ffff3768,ffff80003c475c30,ffff80003c475b80) at sys_futex+0xa99 futex_wait sys/kern/sys_futex.c:301 [inline]
sys_futex(ffff8000ffff3768,ffff80003c475c30,ffff80003c475b80) at sys_futex+0xa99 sys/kern/sys_futex.c:151
syscall(ffff80003c475c30) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c475c30) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf8cd7642ce0, count: -9
ddb{1}> show registers
rdi 0
rsi 0x80000 acpi_pdirpa+0x6be71
rbp 0xffff80003c475850
rbx 0
rdx 0xffff800001472f80
rcx 0xffff8000ffff3768
rax 0x7ffff acpi_pdirpa+0x6be70
r8 0xffff80003c475730
r9 0x8080808080808080
r10 0x6fd3b7fc99254565
r11 0xd9656a9cca88a66f
r12 0xfffffd8003ef3300
r13 0xfffffd80046e3a28
r14 0x3
r15 0xffffffff833e35c2 substchar+0xd6dc
rip 0xffffffff814f2bd5 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80003c475840
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=383266 pid=62628 tcnt=2 stat=sleep
flags process=4000000<ITIMER> proc=4000080<SINTR,THREAD>
runpri=50, usrpri=50, slppri=32, nice=20
wchan=0xffff80003c475a90, wmesg=fsleep, ps_single=0x0 scnt=0 ecnt=0
forw=0x0, list=0xffff80003c47a2d0,0xffff80003a8382d8
process=0xffff800038c270e0 user=0xffff80003c470000, vmspace=0xfffffd806b9cdb88
estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
62628 342181 30597 0 7 0x4000000 syz-executor
*62628 383266 30597 0 3 0x4000080 fsleep syz-executor
8102 396659 53358 0 2 0 syz-executor
8102 319826 53358 0 3 0x4000080 fsleep syz-executor
8102 494824 53358 0 3 0x4000080 fsleep syz-executor
73887 157562 23333 0 2 0 syz-executor
73887 451820 23333 0 3 0x4000080 fsleep syz-executor
24963 280672 14591 0 2 0 syz-executor
24963 115022 14591 0 2 0x4000000 syz-executor
73631 72518 710 0 2 0 syz-executor
73631 317727 710 0 3 0x4000080 sbwait syz-executor
73631 182136 710 0 3 0x4000080 fsleep syz-executor
31749 55428 65522 -1 2 0x10 syz-executor
31749 238596 65522 -1 2 0x4000010 syz-executor
19256 8810 58470 0 3 0x80 nanoslp syz-executor
19256 94913 58470 0 3 0x4000080 sbwait syz-executor
19256 287509 58470 0 3 0x4000080 fsleep syz-executor
88816 112350 0 0 3 0x14280 nfsidl nfsio
75608 453284 0 0 3 0x14280 nfsidl nfsio
53918 473858 0 0 3 0x14280 nfsidl nfsio
81857 183761 0 0 3 0x14280 nfsidl nfsio
41975 510004 0 0 3 0x14280 nfsidl nfsio
48534 349186 0 0 3 0x14280 nfsidl nfsio
85038 422695 0 0 3 0x14280 nfsidl nfsio
6268 208785 0 0 3 0x14280 nfsidl nfsio
8105 197593 0 0 3 0x14280 nfsidl nfsio
61604 133649 0 0 3 0x14280 nfsidl nfsio
95056 145804 0 0 3 0x14280 nfsidl nfsio
84788 264687 0 0 3 0x14280 nfsidl nfsio
63664 198890 0 0 3 0x14280 nfsidl nfsio
90894 123413 0 0 3 0x14280 nfsidl nfsio
28281 284951 0 0 3 0x14280 nfsidl nfsio
55281 443774 0 0 3 0x14280 nfsidl nfsio
46990 335269 0 0 3 0x14280 nfsidl nfsio
1503 106164 0 0 3 0x14280 nfsidl nfsio
13968 310842 0 0 3 0x14280 nfsidl nfsio
1568 215698 0 0 3 0x14280 nfsidl nfsio
53358 483098 91643 0 3 0x82 nanoslp syz-executor
58470 313437 91643 0 3 0x82 nanoslp syz-executor
23333 1996 91643 0 3 0x82 nanoslp syz-executor
65522 182553 91643 0 3 0x82 nanoslp syz-executor
30597 170978 91643 0 3 0x82 nanoslp syz-executor
710 215562 91643 0 3 0x82 nanoslp syz-executor
40620 355721 91643 0 2 0x2 syz-executor
14591 442977 91643 0 3 0x82 nanoslp syz-executor
91643 458705 53922 0 3 0x82 kqread syz-executor
53922 104509 69631 0 3 0x10008a sigsusp ksh
69631 475574 44050 0 3 0x98 kqread sshd-session
44050 133514 59158 0 3 0x92 kqread sshd-session
26694 446210 1 0 3 0x100083 ttyopn getty
59158 432235 1 0 3 0x88 kqread sshd
7234 359408 82007 74 3 0x1100092 bpf pflogd
82007 379827 1 0 3 0x80 sbwait pflogd
84273 82102 80229 73 3 0x1100090 kqread syslogd
80229 413974 1 0 3 0x100082 sbwait syslogd
61106 484074 1 0 3 0x100080 kqread resolvd
11555 415020 79701 77 3 0x100092 kqread dhcpleased
54855 79125 79701 77 3 0x100092 kqread dhcpleased
79701 428059 1 0 3 0x80 kqread dhcpleased
9723 182157 0 0 3 0x14200 bored smr
73810 161554 0 0 2 0x14200 zerothread
86 289493 0 0 3 0x14200 aiodoned aiodoned
63089 437437 0 0 3 0x14200 syncer update
69594 413448 0 0 3 0x14200 cleaner cleaner
52780 111440 0 0 3 0x14200 reaper reaper
51026 182296 0 0 3 0x14200 pgdaemon pagedaemon
7475 20707 0 0 3 0x14200 bored viomb
71512 339665 0 0 3 0x40014200 acpi0 acpi0
32808 517926 0 0 3 0x40014200 idle1
87076 225881 0 0 3 0x14200 bored softnet7
80820 236082 0 0 3 0x14200 bored softnet6
26734 147252 0 0 3 0x14200 bored softnet5
58473 169615 0 0 3 0x14200 bored softnet4
98245 315485 0 0 3 0x14200 bored softnet3
81560 200611 0 0 3 0x14200 bored softnet2
94527 450065 0 0 3 0x14200 bored softnet1
9000 412445 0 0 3 0x14200 bored softnet0
5299 118946 0 0 3 0x14200 bored systqmp
60122 341225 0 0 3 0x14200 bored systq
79933 467888 0 0 3 0x14200 tmoslp softclockmp
98690 38648 0 0 3 0x40014200 tmoslp softclock
87664 484034 0 0 3 0x40014200 idle0
1 498994 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
CPU 0:
exclusive mutex &vioq->viq_rxmtx r = 0 (0xffff8000001a0db0)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311
#2 mtx_enter+0x62 sys/kern/kern_lock.c:261
#3 vio_rx_intr+0x82 sys/dev/pv/if_vio.c:1569
#4 vio_queue_intr+0x59 sys/dev/pv/if_vio.c:911
#5 intr_handler+0x125 sys/arch/amd64/amd64/intr.c:563
#6 Xintr_ioapic_edge26_untramp+0x18f
#7 mtx_enter+0xc1 sys/kern/kern_lock.c:264
#8 endtsleep+0x39 sys/kern/kern_synch.c:538
#9 timeout_run+0x13d sys/kern/kern_timeout.c:698
#10 softclock_process_tick_timeout+0x232 sys/kern/kern_timeout.c:756
#11 softclock+0x152 sys/kern/kern_timeout.c:788
#12 softintr_dispatch+0x13b sys/kern/kern_softintr.c:84
#13 dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847
#14 Xsoftclock+0x27
#15 mtx_enter+0x105 sys/kern/kern_lock.c:273
#16 futex_wake+0x246 futex_list_wakeup sys/kern/sys_futex.c:340 [inline]
#16 futex_wake+0x246 sys/kern/sys_futex.c:476
#17 sys_futex+0x1c5 sys/kern/sys_futex.c:154
#18 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#18 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
shared mutex timeout r = 0 (0xffffffff837a9730)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 timeout_run+0x115 sys/kern/kern_timeout.c:694
#2 softclock_process_tick_timeout+0x232 sys/kern/kern_timeout.c:756
#3 softclock+0x152 sys/kern/kern_timeout.c:788
#4 softintr_dispatch+0x13b sys/kern/kern_softintr.c:84
#5 dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847
#6 Xsoftclock+0x27
#7 mtx_enter+0x105 sys/kern/kern_lock.c:273
#8 futex_wake+0x246 futex_list_wakeup sys/kern/sys_futex.c:340 [inline]
#8 futex_wake+0x246 sys/kern/sys_futex.c:476
#9 sys_futex+0x1c5 sys/kern/sys_futex.c:154
#10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
#11 Xsyscall+0x128
CPU 1:
exclusive mutex &sched_lock r = 0 (0xffffffff838c8b88)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311
#2 mtx_enter+0x62 sys/kern/kern_lock.c:261
#3 sleep_finish+0x1d6 sys/kern/kern_synch.c:355
#4 sys_futex+0xa99 futex_wait sys/kern/sys_futex.c:301 [inline]
#4 sys_futex+0xa99 sys/kern/sys_futex.c:151
#5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
#6 Xsyscall+0x128
Process 62628 (syz-executor) thread 0xffff80003c47aa98 (342181)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8394d310)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 softintr_dispatch+0x125 sys/kern/kern_softintr.c:83
#2 dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847
#3 Xsoftclock+0x27
#4 mtx_enter+0x105 sys/kern/kern_lock.c:273
#5 futex_wake+0x246 futex_list_wakeup sys/kern/sys_futex.c:340 [inline]
#5 futex_wake+0x246 sys/kern/sys_futex.c:476
#6 sys_futex+0x1c5 sys/kern/sys_futex.c:154
#7 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#7 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
#8 Xsyscall+0x128
exclusive rwlock futexlk r = 0 (0xffffffff839849e8)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 futex_wake+0xbc sys/kern/sys_futex.c:461
#3 sys_futex+0x1c5 sys/kern/sys_futex.c:154
#4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
#5 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10257 11105K 11573K 166960K 11675 0
pcb 17 12K 12K 166960K 54 0
rtable 214 8K 9K 166960K 317 0
pf 36 17K 21K 166960K 63 0
ifaddr 41 7K 7K 166960K 53 0
ifgroup 59 2K 2K 166960K 69 0
sysctl 1 1K 9K 166960K 6 0
counters 70 37K 37K 166960K 86 0
ioctlops 0 0K 4K 166960K 1511 0
iov 1 16K 16K 166960K 9 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1369 86K 86K 166960K 1610 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 6 0
VM map 2 1K 1K 166960K 2 0
sem 9 0K 0K 166960K 11 0
dirhash 12 2K 2K 166960K 18 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 18 65K 93K 166960K 329 0
sigio 0 0K 0K 166960K 3 0
proc 72 115K 164K 166960K 555 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 31 0
in_multi 88 6K 7K 166960K 111 0
ether_multi 1 0K 0K 166960K 1 0
mrt 2 0K 0K 166960K 4 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 390 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 253 168K 181K 166960K 4641 0
UVM aobj 13 2K 2K 166960K 13 0
pinsyscall 43 86K 104K 166960K 1447 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 15 0
NDP 13 0K 1K 166960K 34 0
temp 44 8639K 8705K 166960K 13151 0
kqueue 15 24K 32K 166960K 66 0
SYN cache 2 16K 16K 166960K 2 0
ddb{1}> 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 59 0 56 1 0 1 1 0 8 0
rtentry 176 100 0 10 5 0 5 5 0 8 0
unpcb 144 143 0 122 2 0 2 2 0 8 0
syncache 336 6 0 6 1 0 1 1 0 8 1
tcpqe 32 1 0 1 1 0 1 1 0 8 1
tcpcb 736 53 0 47 1 0 1 1 0 8 0
arp 128 12 0 1 1 0 1 1 0 8 0
inpcb 328 211 0 201 2 0 2 2 0 8 0
nd6 144 17 0 2 1 0 1 1 0 8 0
pkpcb 40 4 0 4 1 0 1 1 0 8 1
kcovpl 48 8 0 0 1 0 1 1 0 8 0
ppxss 1192 8 0 8 1 0 1 1 0 8 1
pffrag 232 3 0 1 1 0 1 1 0 482 0
pffrnode 88 3 0 1 1 0 1 1 0 8 0
pffrent 40 4 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
pftag 88 1 0 0 1 0 1 1 0 8 0
pfstitem 24 47 0 0 1 0 1 1 0 8 0
pfstkey 128 47 0 0 2 0 2 2 0 8 0
pfstate 384 47 0 0 5 0 5 5 0 8 0
pfrule 1344 23 0 18 2 1 1 2 0 8 0
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 440 0 42 28 0 28 28 0 8 1
art_table 40 442 0 42 5 0 5 5 0 8 0
art_node 32 100 0 20 1 0 1 1 0 8 0
sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0
semapl 112 8 0 1 1 0 1 1 0 8 0
shmpl 112 10 0 0 1 0 1 1 0 8 0
dirhash 1024 21 0 4 3 0 3 3 0 8 0
dino2pl 256 1938 0 434 96 0 96 96 0 8 1
ffsino 296 1938 0 434 117 0 117 117 0 8 0
nchpl 144 2405 0 717 64 0 64 64 0 8 0
rtmask 32 3 0 3 1 0 1 1 0 8 1
uvmvnodes 80 2194 0 0 45 0 45 45 0 8 0
vnodes 216 2194 0 0 122 0 122 122 0 8 0
namei 1024 8014 0 8014 2 0 2 2 0 8 2
percpumem 16 58 0 8 1 0 1 1 0 8 0
kstatmem 264 40 0 10 3 0 3 3 0 8 1
scxspl 216 8708 0 8708 10 2 8 8 1 8 8
plimitpl 152 64 0 45 1 0 1 1 0 8 0
sigapl 424 662 0 588 9 0 9 9 0 8 0
knotepl 120 404 0 0 13 0 13 13 0 8 0
kqueuepl 224 80 0 68 2 0 2 2 0 8 1
pipepl 344 121 0 94 3 0 3 3 0 8 0
fdescpl 528 620 0 588 3 0 3 3 0 8 0
filepl 160 2674 0 2415 14 0 14 14 0 8 3
lockfpl 104 208 0 206 2 0 2 2 0 8 1
lockfspl 48 37 0 35 1 0 1 1 0 8 0
sessionpl 144 24 0 15 1 0 1 1 0 8 0
pgrppl 48 32 0 15 1 0 1 1 0 8 0
ucredpl 104 291 0 277 1 0 1 1 0 8 0
zombiepl 144 589 0 588 1 0 1 1 0 8 0
processpl 1248 662 0 588 6 0 6 6 0 8 0
procpl 664 1001 0 917 8 0 8 8 0 8 0
sockpl 752 423 0 389 5 0 5 5 0 8 0
mcl64k 65536 2 0 0 1 0 1 1 0 8 0
mcl16k 16384 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 111 0 0 14 0 14 14 0 8 0
mcl2k 2048 23 0 0 3 0 3 3 0 8 0
mtagpl 96 9 0 0 1 0 1 1 0 8 0
mbufpl 256 172 0 0 11 0 11 11 0 8 0
bufpl 280 3488 0 125 241 0 241 241 0 8 0
anonpl 32 5438 0 0 44 0 44 44 0 246 0
amapchunkpl 152 14395 0 13851 30 3 27 27 0 158 5
amappl16 200 2184 0 2155 5 2 3 5 0 8 0
amappl15 192 3 0 3 1 1 0 1 0 8 0
amappl14 184 163 0 150 1 0 1 1 0 8 0
amappl13 176 7 0 7 2 1 1 1 0 8 1
amappl12 168 1276 0 1244 3 1 2 2 0 8 0
amappl11 160 77 0 63 1 0 1 1 0 8 0
amappl10 152 24 0 24 1 1 0 1 0 8 0
amappl9 144 282 0 282 1 1 0 1 0 8 0
amappl8 136 36 0 33 1 0 1 1 0 8 0
amappl7 128 133 0 121 1 0 1 1 0 8 0
amappl6 120 187 0 184 1 0 1 1 0 8 0
amappl5 112 121 0 112 1 0 1 1 0 8 0
amappl4 104 313 0 293 1 0 1 1 0 8 0
amappl3 96 2595 0 2470 4 0 4 4 0 8 0
amappl2 88 658 0 594 2 0 2 2 0 8 0
amappl1 80 9645 0 9045 15 0 15 15 0 8 1
amappl 88 3903 0 3724 5 0 5 5 0 92 0
dma32768 32768 1 0 1 1 0 1 1 0 8 1
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 2 0 1 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 19 0 18 1 0 1 1 0 8 0
aobjpl 72 12 0 0 1 0 1 1 0 8 0
uaddrrnd 24 620 0 588 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 620 0 588 1 0 1 1 0 8 0
vmmpekpl 168 6793 0 6763 2 0 2 2 0 8 0
vmmpepl 168 46196 0 44155 96 0 96 96 0 357 7
vmsppl 488 619 0 588 5 0 5 5 0 8 0
rwobjpl 80 17402 0 14248 65 0 65 65 0 8 0
pdppl 4096 1247 0 1176 103 30 73 87 0 8 2
pvpl 32 11698 0 0 95 0 95 95 0 265 0
pmappl 256 619 0 588 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 274 0 32 8 0 8 8 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
ddb{0}> trace
x86_ipi_db(ffffffff8383fff0) 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
mtx_enter(ffffffff838c8b78) at mtx_enter+0xd2 sys/kern/kern_lock.c:264
wakeup_n(ffff80000002c000,1) at wakeup_n+0x54 sys/kern/kern_synch.c:579
task_add(ffff80000002c000,ffff800000039530) at task_add+0x163 sys/kern/kern_task.c:372
ifiq_input(ffff8000000394c0,ffff80003c484ff8) at ifiq_input+0x4af sys/net/ifq.c:784
vio_rxeof(ffff8000001a0d00) at vio_rxeof+0x41d sys/dev/pv/if_vio.c:1555
vio_rx_intr(ffff80000019f800) at vio_rx_intr+0x98 sys/dev/pv/if_vio.c:1571
vio_queue_intr(ffff8000001a0d00) at vio_queue_intr+0x59 sys/dev/pv/if_vio.c:911
intr_handler(ffff80003c4851a0,ffff800000079d00) at intr_handler+0x125 sys/arch/amd64/amd64/intr.c:563
Xintr_ioapic_edge26_untramp() at Xintr_ioapic_edge26_untramp+0x18f
mtx_enter(ffffffff838c8b78) at mtx_enter+0xc1 sys/kern/kern_lock.c:264
endtsleep(ffff8000ffff3238) at endtsleep+0x39 sys/kern/kern_synch.c:538
timeout_run(ffffffff837a9788,ffff8000ffff32d0) at timeout_run+0x13d sys/kern/kern_timeout.c:698
softclock_process_tick_timeout(ffff8000ffff32d0,0) at softclock_process_tick_timeout+0x232 sys/kern/kern_timeout.c:756
softclock(0) at softclock+0x152 sys/kern/kern_timeout.c:788
softintr_dispatch(0) at softintr_dispatch+0x13b sys/kern/kern_softintr.c:84
dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847
Xsoftclock() at Xsoftclock+0x27
mtx_enter(ffffffff838c8b78) at mtx_enter+0x105 sys/kern/kern_lock.c:273
futex_wake(ffff80003c47aa98,f8cf3a26d30,7fffffff,80,ffff80003c485780) at futex_wake+0x246 futex_list_wakeup sys/kern/sys_futex.c:340 [inline]
futex_wake(ffff80003c47aa98,f8cf3a26d30,7fffffff,80,ffff80003c485780) at futex_wake+0x246 sys/kern/sys_futex.c:476
sys_futex(ffff80003c47aa98,ffff80003c485830,ffff80003c485780) at sys_futex+0x1c5 sys/kern/sys_futex.c:154
syscall(ffff80003c485830) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c485830) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7875cb35e1e0, count: -25
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x25: addq $0x8,%rsp
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
witness_checkorder(ffff8000299eee08,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1
mtx_enter(ffff8000299eedf8) at mtx_enter+0x4a sys/kern/kern_lock.c:260
clockintr_cancel(ffff8000299ee2f8) at clockintr_cancel+0x2f sys/kern/kern_clockintr.c:323
mi_switch() at mi_switch+0x16f sys/kern/sched_bsd.c:378
sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:367
sys_futex(ffff8000ffff3768,ffff80003c475c30,ffff80003c475b80) at sys_futex+0xa99 futex_wait sys/kern/sys_futex.c:301 [inline]
sys_futex(ffff8000ffff3768,ffff80003c475c30,ffff80003c475b80) at sys_futex+0xa99 sys/kern/sys_futex.c:151
syscall(ffff80003c475c30) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c475c30) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf8cd7642ce0, count: -9