GENERIC HEAD from May 26 06:09 UTC, vmcore.332
GDB: no debug ports present
KDB: debugger backends: ddb
KDB: current backend: ddb
Copyright (c) 1992-2005 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
FreeBSD 6.0-CURRENT #0: Thu May 26 12:15:40 CEST 2005
pho@current.osted.lan:/usr/src/sys/i386/compile/PHO
WARNING: WITNESS option enabled, expect reduced performance.
ACPI APIC Table: <A M I OEMAPIC >
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Celeron(R) CPU 1.80GHz (1799.14-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0xf13 Stepping = 3
Features=0x3febfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM>
real memory = 267583488 (255 MB)
avail memory = 252354560 (240 MB)
:
Trying to mount root from ufs:/dev/ad0s1a
WARNING: / was not properly dismounted
rl0: link state changed to DOWN
sigreturn: eflags = 0x0
sigreturn: eflags = 0x0
sigreturn: eflags = 0x0
freebsd4_sigreturn: eflags = 0x0
freebsd4_sigreturn: eflags = 0x0
:
freebsd4_sigreturn: eflags = 0x0
sigreturn: eflags = 0x0
sigreturn: eflags = 0x0
sigreturn: eflags = 0x0
sigreturn: eflags = 0x0
panic: mutex lockbuilder mtxpool not owned at ../../../kern/kern_lock.c:129
cpuid = 0
KDB: enter: panic
[thread pid 55 tid 100042 ]
Stopped at kdb_enter+0x2b: nop
db> where
Tracing pid 55 tid 100042 td 0xc1571480
kdb_enter(c084bdcd) at kdb_enter+0x2b
panic(c084b2c4,c084b00f,c0849e49,81,c1c4e528) at panic+0x14b
_mtx_assert(c091effc,1,c0849e49,81,2002) at _mtx_assert+0x5c
acquire(cc9c5c5c,40,60000,c1571480,0) at acquire+0x13f
debuglockmgr(c1c4e528,2002,c1c4e568,c1571480,c08545d8) at debuglockmgr+0x492
vop_stdlock(cc9c5cd0) at vop_stdlock+0x32
VOP_LOCK_APV(c08e95e0,cc9c5cd0,cc9c5ca8,c07f545e,cc9c5cd0) at VOP_LOCK_APV+0x7e
ffs_lock(cc9c5cd0) at ffs_lock+0x10
VOP_LOCK_APV(c08e9080,cc9c5cd0) at VOP_LOCK_APV+0x7e
vlrureclaim(c173a800,c1571480,c1572400,c1572400,c0679ea0) at vlrureclaim+0x17d
vnlru_proc(0,cc9c5d38,0,c0679ea0,0) at vnlru_proc+0x14a
fork_exit(c0679ea0,0,cc9c5d38) at fork_exit+0xa0
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip = 0, esp = 0xcc9c5d6c, ebp = 0 ---
db> show lockedvnods
Locked vnodes
KDB: stack backtrace:
kdb_backtrace(c091f8a0,0,c084c64a,13b,86cbd69b) at kdb_backtrace+0x29
mi_switch(1,0) at mi_switch+0x1af
turnstile_wait(c091e840,c1df0300) at turnstile_wait+0x32b
_mtx_lock_sleep(c091e840,c1571480,0,c0849e49,243) at _mtx_lock_sleep+0x1ce
_mtx_lock_flags(c091e840,0,c0849e49,243) at _mtx_lock_flags+0x8a
lockstatus(c3a6f058,0,cc9c59f0,c07f41ca,cc9c5a00) at lockstatus+0x24
vop_stdislocked(cc9c5a00) at vop_stdislocked+0x17
VOP_ISLOCKED_APV(c08e9080,cc9c5a00) at VOP_ISLOCKED_APV+0x7e
lockedvnodes(c064080f,0,ffffffff,cc9c5a40,0) at lockedvnodes+0x45
db_command(c08f88a4,c087f7a0,c0876a44,c0876a60,c08180dd) at db_command+0x264
db_command_loop(0,0,cc9c5af8,cc9c5ae4,cc9c5b2c) at db_command_loop+0x5c
db_trap(3,0,c1571480,3,c1571480) at db_trap+0xdd
kdb_trap(3,0,cc9c5b84) at kdb_trap+0x88
trap(cc9c0008,c0640028,c0840028,c084b2c4,1) at trap+0x4b0
calltrap() at calltrap+0x5
--- trap 0x3, eip = 0xc064080f, esp = 0xcc9c5bc4, ebp = 0xcc9c5bc4 ---
kdb_enter(c084bdcd) at kdb_enter+0x2b
panic(c084b2c4,c084b00f,c0849e49,81,c1c4e528) at panic+0x14b
_mtx_assert(c091effc,1,c0849e49,81,2002) at _mtx_assert+0x5c
acquire(cc9c5c5c,40,60000,c1571480,0) at acquire+0x13f
debuglockmgr(c1c4e528,2002,c1c4e568,c1571480,c08545d8) at debuglockmgr+0x492
vop_stdlock(cc9c5cd0) at vop_stdlock+0x32
VOP_LOCK_APV(c08e95e0,cc9c5cd0,cc9c5ca8,c07f545e,cc9c5cd0) at VOP_LOCK_APV+0x7e
ffs_lock(cc9c5cd0) at ffs_lock+0x10
VOP_LOCK_APV(c08e9080,cc9c5cd0) at VOP_LOCK_APV+0x7e
vlrureclaim(c173a800,c1571480,c1572400,c1572400,c0679ea0) at vlrureclaim+0x17d
vnlru_proc(0,cc9c5d38,0,c0679ea0,0) at vnlru_proc+0x14a
fork_exit(c0679ea0,0,cc9c5d38) at fork_exit+0xa0
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip = 0, esp = 0xcc9c5d6c, ebp = 0 ---
db> ps
pid proc uid ppid pgrp flag stat wmesg wchan cmd
45895 c1abd800 1001 45888 39642 0000002 [RUNQ] creat
45894 c1ba4000 1001 45888 39642 0000002 [RUNQ] creat
45893 c1b47000 1001 45888 39642 0000002 [RUNQ] creat
45892 c1b47c00 1001 45888 39642 0000002 [RUNQ] creat
45891 c1bb1a00 1001 45888 39642 0000002 [RUNQ] creat
45890 c1b80200 1001 45888 39642 0000002 [RUNQ] creat
45889 c1ade800 1001 45888 39642 0000002 [RUNQ] creat
45888 c1adc200 1001 45887 39642 0000002 [SLPQ wait 0xc1adc200][SLP] creat
45887 c1abe800 1001 39646 39642 0004002 [SLPQ nanslp 0xc09201ac][SLP] creat
45613 c1def000 65534 45611 45606 0004000 [SLPQ piperd 0xc1ca5780][SLP] locate.code
45611 c1ba5000 65534 45607 45606 0004000 [SLPQ wait 0xc1ba5000][SLP] sh
45610 c1abd200 65534 45607 45606 0004000 [SLPQ biord 0xc6648fd4][SLP] find
45607 c1b45a00 65534 45606 45606 0004000 [SLPQ wait 0xc1b45a00][SLP] sh
45606 c1b6b600 65534 45584 45606 0004000 [SLPQ pause 0xc1b6b634][SLP] csh
45584 c1abdc00 0 45579 45559 0004100 [SLPQ wait 0xc1abdc00][SLP] su
45579 c1abee00 0 45568 45559 0004000 [SLPQ wait 0xc1abee00][SLP] sh
45570 c1ba8800 0 45569 45559 0004000 [SLPQ piperd 0xc1dc1600][SLP] mail
45569 c1b47600 0 45561 45559 0000000 [SLPQ wait 0xc1b47600][SLP] sh
45568 c1bb1c00 0 45561 45559 0000000 [SLPQ wait 0xc1bb1c00][SLP] sh
45561 c1b45200 0 45559 45559 0004000 [SLPQ wait 0xc1b45200][SLP] sh
45559 c1ba4800 0 45557 45559 0004000 [SLPQ wait 0xc1ba4800][SLP] sh
45557 c1adee00 0 447 447 0000000 [SLPQ piperd 0xc1779900][SLP] cron
39646 c1bb1800 1001 39645 39642 0000002 [SLPQ wait 0xc1bb1800][SLP] run
39645 c1b01a00 1001 39644 39642 0000002 [SLPQ wait 0xc1b01a00][SLP] run
39644 c1bb3a00 1001 39642 39642 0004002 [SLPQ nanslp 0xc09201ac][SLP] run
39642 c1ba5800 1001 599 39642 0004002 [SLPQ wait 0xc1ba5800][SLP] sh
599 c174d400 1001 598 599 0004002 [SLPQ wait 0xc174d400][SLP] bash
598 c1870600 1001 596 596 0000100 [SLPQ select 0xc096d4a4][SLP] sshd
596 c1870400 0 423 596 0004100 [SLPQ sbwait 0xc1a81c48][SLP] sshd
583 c1817e00 1001 577 583 0004002 [SLPQ select 0xc096d4a4][SLP] top
577 c1870000 1001 576 577 0004002 [SLPQ wait 0xc1870000][SLP] bash
576 c1870200 1001 574 574 0000100 [SLPQ select 0xc096d4a4][SLP] sshd
574 c186fe00 0 423 574 0004100 [SLPQ sbwait 0xc16a1afc][SLP] sshd
566 c186fc00 0 1 566 0004002 [SLPQ ttyin 0xc16b3c10][SLP] getty
565 c186f200 0 1 565 0004002 [SLPQ ttyin 0xc16b4010][SLP] getty
564 c186f000 0 1 564 0004002 [SLPQ ttyin 0xc16b4410][SLP] getty
563 c186f400 0 1 563 0004002 [SLPQ ttyin 0xc16ab010][SLP] getty
562 c1817600 0 1 562 0004002 [SLPQ ttyin 0xc16a9410][SLP] getty
561 c1815600 0 1 561 0004002 [SLPQ ttyin 0xc16ab410][SLP] getty
560 c186fa00 0 1 560 0004002 [SLPQ ttyin 0xc16a8c10][SLP] getty
559 c1815c00 0 1 559 0004002 [SLPQ ttyin 0xc16a8010][SLP] getty
527 c186f800 0 1 527 0000000 [SLPQ select 0xc096d4a4][SLP] moused
447 c1815400 0 1 447 0000000 [SLPQ nanslp 0xc09201ac][SLP] cron
435 c1817000 25 1 435 0000100 [SLPQ pause 0xc1817034][SLP] sendmail
429 c174da00 0 1 429 0000100 [SLPQ select 0xc096d4a4][SLP] sendmail
423 c1815a00 0 1 423 0000100 [SLPQ select 0xc096d4a4][SLP] sshd
405 c1815e00 0 1 405 0000000 [SLPQ select 0xc096d4a4][SLP] ntpd
376 c1815800 0 1 376 0000000 [SLPQ select 0xc096d4a4][SLP] usbd
355 c1815000 0 351 351 0000000 [SLPQ - 0xc1825400][SLP] nfsd
354 c1646e00 0 351 351 0000000 [SLPQ - 0xc1825600][SLP] nfsd
353 c1750a00 0 351 351 0000000 [SLPQ - 0xc1825800][SLP] nfsd
352 c1750c00 0 351 351 0000000 [SLPQ - 0xc1825a00][SLP] nfsd
351 c1750e00 0 1 351 0000000 [SLPQ select 0xc096d4a4][SLP] nfsd
349 c1815200 0 1 349 0000000 [SLPQ select 0xc096d4a4][SLP] mountd
280 c174d200 0 1 280 0000000 [SLPQ select 0xc096d4a4][SLP] rpcbind
266 c174d600 0 1 266 0000000 [SLPQ select 0xc096d4a4][SLP] syslogd
237 c174d800 0 1 237 0000000 [SLPQ select 0xc096d4a4][SLP] devd
61 c174de00 0 0 0 0000204 [SLPQ - 0xce9e7d04][SLP] schedcpu
60 c1750000 0 0 0 0000204 [SLPQ - 0xc097518c][SLP] nfsiod 3
59 c1750200 0 0 0 0000204 [SLPQ - 0xc0975188][SLP] nfsiod 2
58 c1750400 0 0 0 0000204 [SLPQ - 0xc0975184][SLP] nfsiod 1
57 c1750600 0 0 0 0000204 [SLPQ - 0xc0975180][SLP] nfsiod 0
56 c1750800 0 0 0 0000204 [SLPQ syncer 0xc091ff20][SLP] syncer
55 c1572400 0 0 0 0000204 [LOCK lockbuilder mtxpool c1805080] vnlru
54 c1572600 0 0 0 0000204 [SLPQ psleep 0xc096d9f0][SLP] bufdaemon
53 c1572800 0 0 0 000020c [SLPQ pgzero 0xc097b724][SLP] pagezero
52 c1572a00 0 0 0 0000204 [SLPQ psleep 0xc097b274][SLP] vmdaemon
51 c1572c00 0 0 0 0000204 [SLPQ psleep 0xc097b230][SLP] pagedaemon
50 c1572e00 0 0 0 0000204 [SLPQ - 0xc166aa3c][SLP] fdc0
49 c1646000 0 0 0 0000204 [IWAIT] swi0: sio
48 c1646200 0 0 0 0000204 [SLPQ usbevt 0xc160d210][SLP] usb4
47 c1646400 0 0 0 0000204 [SLPQ usbevt 0xc1661210][SLP] usb3
46 c1646600 0 0 0 0000204 [SLPQ usbevt 0xc164e210][SLP] usb2
45 c1646800 0 0 0 0000204 [SLPQ usbevt 0xc1650210][SLP] usb1
44 c1646a00 0 0 0 0000204 [SLPQ usbtsk 0xc090eeb4][SLP] usbtask
43 c1646c00 0 0 0 0000204 [SLPQ usbevt 0xc1624210][SLP] usb0
42 c1565c00 0 0 0 0000204 [IWAIT] swi2: cambio
41 c1565e00 0 0 0 0000204 [IWAIT] swi5:+
9 c1570000 0 0 0 0000204 [SLPQ - 0xc161c280][SLP] acpi_task2
8 c1570200 0 0 0 0000204 [SLPQ - 0xc161c280][SLP] acpi_task1
7 c1570400 0 0 0 0000204 [SLPQ - 0xc161c280][SLP] acpi_task0
6 c1570600 0 0 0 0000204 [SLPQ - 0xc161c300][SLP] thread taskq
40 c1570800 0 0 0 0000204 [IWAIT] swi6:+
39 c1570a00 0 0 0 0000204 [IWAIT] swi6: task queue
5 c1570c00 0 0 0 0000204 [SLPQ - 0xc1520c00][SLP] kqueue taskq
38 c1570e00 0 0 0 0000204 [SLPQ - 0xc090cbe0][SLP] yarrow
4 c1572000 0 0 0 0000204 [SLPQ - 0xc09116a8][SLP] g_down
3 c1572200 0 0 0 0000204 [SLPQ - 0xc09116a4][SLP] g_up
2 c1557600 0 0 0 0000204 [SLPQ - 0xc091169c][SLP] g_event
37 c1557800 0 0 0 0000204 [IWAIT] swi1: net
36 c1557a00 0 0 0 0000204 [IWAIT] swi3: vm
35 c1557c00 0 0 0 000020c [RUNQ] swi4: clock sio
34 c1557e00 0 0 0 0000204 [IWAIT] irq23: ehci0
33 c1565000 0 0 0 0000204 [IWAIT] irq22: rl0
32 c1565200 0 0 0 0000204 [IWAIT] irq21:
31 c1565400 0 0 0 0000204 [IWAIT] irq20:
30 c1565600 0 0 0 0000204 [IWAIT] irq19: uhci1
29 c1565800 0 0 0 0000204 [IWAIT] irq18: uhci2
28 c1565a00 0 0 0 0000204 [IWAIT] irq17: pcm0
27 c1526200 0 0 0 0000204 [IWAIT] irq16: uhci0 uhci3
26 c1526400 0 0 0 0000204 [IWAIT] irq15: ata1
25 c1526600 0 0 0 0000204 [RUNQ] irq14: ata0
24 c1526800 0 0 0 0000204 [IWAIT] irq13:
23 c1526a00 0 0 0 0000204 [IWAIT] irq12: psm0
22 c1526c00 0 0 0 0000204 [IWAIT] irq11:
21 c1526e00 0 0 0 0000204 [IWAIT] irq10:
20 c1557000 0 0 0 0000204 [IWAIT] irq9: acpi0
19 c1557200 0 0 0 0000204 [IWAIT] irq8:
18 c1557400 0 0 0 0000204 [IWAIT] irq7: ppc0
17 c1521000 0 0 0 0000204 [IWAIT] irq6: fdc0
16 c1521200 0 0 0 0000204 [IWAIT] irq5:
15 c1521400 0 0 0 0000204 [IWAIT] irq4: sio0
14 c1521600 0 0 0 0000204 [IWAIT] irq3:
13 c1521800 0 0 0 0000204 [IWAIT] irq0:
12 c1521a00 0 0 0 0000204 [IWAIT] irq1: atkbd0
11 c1521c00 0 0 0 000020c [Can run] idle: cpu0
1 c1521e00 0 0 1 0004200 [SLPQ wait 0xc1521e00][SLP] init
10 c1526000 0 0 0 0000204 [SLPQ ktrace 0xc091e118][SLP] ktrace
0 c09117a0 0 0 0 0000200 [IWAIT] swapper
db> show alllocks
Process 45891 (creat) thread 0xc1ba6480 (100225)
exclusive sleep mutex filedesc structure r = 0 (0xc297ad2c) locked @ kern/vfs_syscalls.c:1052
Process 55 (vnlru) thread 0xc1571480 (100042)
exclusive sleep mutex Giant r = 0 (0xc091f8e0) locked @ kern/vfs_subr.c:650
db> where 45891
Tracing pid 45891 tid 100225 td 0xc1ba6480
sched_switch(c1ba6480,0,2) at sched_switch+0x17b
mi_switch(2,0,c091f8a0,0,c084d601) at mi_switch+0x270
critical_exit(c084996f,cf5abae0,c07cebf0,0,c0630008) at critical_exit+0x8b
lapic_handle_timer(0) at lapic_handle_timer+0xc9
Xtimerint(c08555d2,c084996c,3) at Xtimerint+0x30
fixup_filename(c08555cf,41c,c08af408,c297ad2c,0) at fixup_filename+0x24
witness_unlock(c297ad2c,8,c08555cf,41c) at witness_unlock+0x51
_mtx_unlock_flags(c297ad2c,0,c08555cf,41c) at _mtx_unlock_flags+0x60
kern_open(c1ba6480,bfbfe8e0,0,202,1b0) at kern_open+0x467
open(c1ba6480,cf5abd04,3,69,216) at open+0x1a
syscall(bfbf003b,bfbf003b,bfbf003b,2804f300,bfbfeab0) at syscall+0x227
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (5, FreeBSD ELF32, open), eip = 0x280b7677, esp = 0xbfbfe8ac, ebp = 0xbfbfe8c8 ---
db> call doadump
Dumping 255 MB
16 32 48 64 80 96 112 128 144 160 176 192 208 224 240
Dump complete
0xf
db> reset
#10 0xc0628993 in panic (fmt=---Can't read userspace from dump, or kernel process---
) at ../../../kern/kern_shutdown.c:547
#11 0xc0620e3c in _mtx_assert (m=0xc091effc, what=0x0, file=0xc0849e49 "../../../kern/kern_lock.c", line=0x81)
at ../../../kern/kern_mutex.c:739
#12 0xc061d4cb in acquire (lkpp=0xcc9c5c5c, extflags=0x40, wanted=0x60000) at ../../../kern/kern_lock.c:129
#13 0xc061d9ca in debuglockmgr (lkp=0xc1c4e528, flags=0x2002, interlkp=0x40, td=0xc1571480, name=0xc08545d8 "vop_stdlock",
file=0xc08556fe "../../../kern/vfs_vnops.c", line=0x11b) at ../../../kern/kern_lock.c:384
#14 0xc0674312 in vop_stdlock (ap=0x0) at ../../../kern/vfs_default.c:258
#15 0xc07f545e in VOP_LOCK_APV (vop=0x0, a=0xcc9c5cd0) at vnode_if.c:1638
#16 0xc076755c in ffs_lock (ap=0xcc9c5cd0) at ../../../ufs/ffs/ffs_vnops.c:341
#17 0xc07f545e in VOP_LOCK_APV (vop=0x0, a=0xcc9c5cd0) at vnode_if.c:1638
#18 0xc0679c55 in vlrureclaim (mp=0xc173a800) at vnode_if.h:844
#19 0xc0679fea in vnlru_proc () at ../../../kern/vfs_subr.c:675
#20 0xc061528c in fork_exit (callout=0xc0679ea0 <vnlru_proc>, arg=0x0, frame=0xcc9c5d38) at ../../../kern/kern_fork.c:789
#21 0xc07ce66c in fork_trampoline () at ../../../i386/i386/exception.s:208
(kgdb) f 12
#12 0xc061d4cb in acquire (lkpp=0xcc9c5c5c, extflags=0x40, wanted=0x60000) at ../../../kern/kern_lock.c:129
129 mtx_assert(lkp->lk_interlock, MA_OWNED);
(kgdb) p lkp->lk_interlock
$1 = (struct mtx *) 0xc091effc
(kgdb) p *lkp->lk_interlock
$2 = {mtx_object = {lo_class = 0xc08af408, lo_name = 0xc084b00f "lockbuilder mtxpool", lo_type = 0xc084b00f "lockbuilder mtxpool",
lo_flags = 0x50000, lo_list = {tqe_next = 0xc091f020, tqe_prev = 0xc091efe8}, lo_witness = 0x0}, mtx_lock = 0x4, mtx_recurse = 0x0}
(kgdb) f 18
#18 0xc0679c55 in vlrureclaim (mp=0xc173a800) at vnode_if.h:844
844 a.a_td = td;
(kgdb) info loc
td = (struct thread *) 0xc1571480
vp = (struct vnode *) 0xc1c4e4d0
done = 0x1
trigger = 0x7
usevnodes = 0x0
count = 0x145
(kgdb) p *vp
$3 = {v_type = VREG, v_tag = 0xc0852e4f "ufs", v_op = 0xc08e9080, v_data = 0xc3a0aa50, v_mount = 0xc173a800, v_nmntvnodes = {
tqe_next = 0x0, tqe_prev = 0xc3852ae8}, v_un = {vu_mount = 0x0, vu_socket = 0x0, vu_cdev = 0x0, vu_fifoinfo = 0x0}, v_hashlist = {
le_next = 0x0, le_prev = 0xc16bc0b4}, v_hash = 0x1ad1b, v_cache_src = {lh_first = 0x0}, v_cache_dst = {tqh_first = 0x0,
tqh_last = 0xc1c4e500}, v_dd = 0x0, v_cstart = 0x0, v_lasta = 0x0, v_lastw = 0x0, v_clen = 0x0, v_lock = {lk_interlock = 0xc091effc,
lk_flags = 0x40, lk_sharecount = 0x0, lk_waitcount = 0xffffffff, lk_exclusivecount = 0x0, lk_prio = 0x50,
lk_wmesg = 0xc0852e4f "ufs", lk_timo = 0x33, lk_lockholder = 0xffffffff, lk_newlock = 0x0,
lk_filename = 0xc0854653 "../../../kern/vfs_hash.c", lk_lockername = 0xc083fa05 "lockmgr", lk_lineno = 0x70,
lk_slockholder = 0xffffffff, lk_sfilename = 0xc0825203 "none", lk_slockername = 0xc084a12b "never share locked", lk_slineno = 0x0},
v_interlock = {mtx_object = {lo_class = 0xc08af408, lo_name = 0xc084f77e "vnode interlock", lo_type = 0xc084f77e "vnode interlock",
lo_flags = 0x30000, lo_list = {tqe_next = 0x0, tqe_prev = 0xc3852b7c}, lo_witness = 0xc09307c8}, mtx_lock = 0x4,
mtx_recurse = 0x0}, v_vnlock = 0xc1c4e528, filename = 0x0, line = 0x0, v_holdcnt = 0x1, v_usecount = 0x1, v_iflag = 0x0,
v_vflag = 0x0, v_writecount = 0x1, v_freelist = {tqe_next = 0x0, tqe_prev = 0x0}, v_bufobj = {bo_mtx = 0xc1c4e568, bo_clean = {bv_hd = {
tqh_first = 0x0, tqh_last = 0xc1c4e5b8}, bv_root = 0x0, bv_cnt = 0x0}, bo_dirty = {bv_hd = {tqh_first = 0x0,
tqh_last = 0xc1c4e5c8}, bv_root = 0x0, bv_cnt = 0x0}, bo_numoutput = 0x0, bo_flag = 0x0, bo_ops = 0xc08b6128, bo_bsize = 0x4000,
bo_object = 0xc3ac44a4, bo_synclist = {le_next = 0x0, le_prev = 0x0}, bo_private = 0xc1c4e4d0, __bo_vnode = 0xc1c4e4d0},
v_pollinfo = 0x0, v_label = 0x0}
(kgdb) p *td
$4 = {td_proc = 0xc1572400, td_ksegrp = 0xc1573060, td_plist = {tqe_next = 0x0, tqe_prev = 0xc1572410}, td_kglist = {tqe_next = 0x0,
tqe_prev = 0xc157306c}, td_slpq = {tqe_next = 0x0, tqe_prev = 0xc15487c0}, td_lockq = {tqe_next = 0x0, tqe_prev = 0xc1805080},
td_runq = {tqe_next = 0x0, tqe_prev = 0x0}, td_selq = {tqh_first = 0x0, tqh_last = 0x0}, td_sleepqueue = 0xc15487c0,
td_turnstile = 0x0, td_umtxq = 0xc1559cc0, td_tid = 0x186ca, td_flags = 0x1010000, td_inhibitors = 0x8, td_pflags = 0x0,
td_dupfd = 0x0, td_wchan = 0x0, td_wmesg = 0x0, td_lastcpu = 0x0, td_oncpu = 0x0, td_owepreempt = 0x0, td_locks = 0x1,
td_blocked = 0xc1805080, td_ithd = 0x0, td_lockname = 0xc084b00f "lockbuilder mtxpool", td_contested = {lh_first = 0x0},
td_sleeplocks = 0xc096d328, td_intr_nesting_level = 0x0, td_pinned = 0x0, td_mailbox = 0x0, td_ucred = 0xc1518400, td_standin = 0x0,
td_upcall = 0x0, td_sticks = 0xebf, td_uuticks = 0x0, td_usticks = 0x0, td_intrval = 0x0, td_oldsigmask = {__bits = {0x0, 0x0, 0x0,
0x0}}, td_sigmask = {__bits = {0x0, 0x0, 0x0, 0x0}}, td_siglist = {__bits = {0x0, 0x0, 0x0, 0x0}}, td_generation = 0x13b20,
td_sigstk = {ss_sp = 0x0, ss_size = 0x0, ss_flags = 0x0}, td_kflags = 0x0, td_xsig = 0x0, td_profil_addr = 0x0, td_profil_ticks = 0x0,
td_base_pri = 0x50, td_priority = 0x50, td_pcb = 0xcc9c5d90, td_state = TDS_INHIBITED, td_retval = {0x0, 0x0}, td_slpcallout = {
c_links = {sle = {sle_next = 0x0}, tqe = {tqe_next = 0x0, tqe_prev = 0xc65c3100}}, c_time = 0x4caf85e, c_arg = 0xc1571480,
c_func = 0xc064664c <sleepq_timeout>, c_mtx = 0x0, c_flags = 0x12}, td_frame = 0xcc9c5d38, td_kstack_obj = 0xc105b948,
td_kstack = 0xcc9c4000, td_kstack_pages = 0x2, td_altkstack_obj = 0x0, td_altkstack = 0x0, td_altkstack_pages = 0x0, td_critnest = 0x1,
td_md = {md_spinlock_count = 0x0, md_saved_flags = 0x46}, td_sched = 0xc15715d4}