Konstantin Belousov wrote:
On Tue, Jun 06, 2006 at 01:49:04PM -0400, Mike Jakubik wrote:
Scott Long wrote:
Dmitriy Kirhlarov wrote:
Hi!
On Tue, May 23, 2006 at 04:35:21PM -0400, Kris Kennaway wrote:
6.1-STABLE after 6.1-RELEASE is releases. So I think you may want
If you use snapshots with your quotas, update to 6.1-STABLE. If you
Sorry, guys. You are mean RELENG_6_1 or RELENG_6?
WBR
RELENG_6. However, the changes will likely make their way into
RELENG_6_1 in a few weeks as part of an errata update.
Scott
I have just done tests on 6.1-R and RELENG_6 as of yesterday evening.
Unfortunately both still lock up hard, no crash, just a frozen system. I
cant enter the KDB (ddb) via the console, but its unusable, as it wont
let me type in anything. There must be some other change in -CURRENT
that fixes this, as -CURRENT did not freeze during my previous tests.
Just to confirm, here is the ID of ufs_quota.c on my RELENG_6 system:
/usr/src/sys/ufs/ufs/ufs_quota.c:
$FreeBSD: src/sys/ufs/ufs/ufs_quota.c,v 1.74.2.4 2006/05/14
00:23:27 tegge Exp $
The hangs are mostly related to snapshots. It would be better to
update to the latest RELENG_6.
Hangs on RELENG_6_1 is not so much interesting. For
hanged RELENG_6 system, please do what described below and post
the log of the ddb session.
I'm not sure whether kbdmux was MFCed into RELENG_6 (AFAIR, yes).
If you have it in your kernel, add the line
hint.kbdmux.0.disabled="1"
into the /boot/device.hints to make ddb usable.
After that, on the hang, enter ddb, and
do ps and tr <pid> for all suspected processes.
Better yet, add the following options to your kernel:
options INVARIANTS
options INVARIANT_SUPPORT
options WITNESS
options DEBUG_LOCKS
options DEBUG_VFS_LOCKS
options DIAGNOSTIC
and, after hang, do in ddb
show allpcpu
show alllocks
show lockedvnods
ps
For each process mentioned in show output, do where <pid>
(for threaded processes, do thread <thread-id>; where).
BTW, it would be great to add this instructions to the FAQ.
Well, i finally got around to setting up a serial console on this box,
the following is the output from the debugger after the system stopped
responding. Let me know if you need any more/different information, i
also made the kernel changes you recommended.
FreeBSD 6.1-STABLE #1: Thu Jun 10 00:22:29 EDT 2006
---
KDB: enter: Line break on console
[thread pid 12 tid 100004 ]
Stopped at kdb_enter+0x30: leave
db> ps
pid proc uid ppid pgrp flag stat wmesg wchan cmd
552 c3622830 2 550 549 0004000 [SLPQ flswai 0xc0707c24][SLP] rm
550 c3570830 2 549 549 0004000 [SLPQ wait 0xc3570830][SLP] sh
549 c342ec48 2 548 549 0004000 [SLPQ wait 0xc342ec48][SLP] sh
548 c3622624 0 422 422 0000000 [SLPQ piperd 0xc36027f8][SLP] cron
547 c361f830 0 524 547 0004002 [SLPQ ufs 0xc3777c94][SLP] ls
546 c36bc418 0 544 544 0004002 [SLPQ wdrain 0xc0707be4][SLP]
fsck_4.2bsd
544 c36bcc48 0 511 544 0004002 [SLPQ wait 0xc36bcc48][SLP] fsck
524 c35e020c 0 522 524 0004002 [SLPQ wait 0xc35e020c][SLP] bash
522 c3570c48 0 406 522 0004100 [SLPQ flswai 0xc0707c24][SLP] sshd
515 c36bc20c 0 0 0 0000204 [SLPQ wdrain 0xc0707be4][SLP] md0
511 c36bb624 0 500 511 0004002 [SLPQ wait 0xc36bb624][SLP] bash
509 c3570418 65 1 509 0000100 [SLPQ select 0xc0707644][SLP]
dhclient
500 c361fa3c 0 406 500 0004100 [SLPQ flswai 0xc0707c24][SLP] sshd
480 c342ea3c 0 1 256 0000000 [SLPQ select 0xc0707644][SLP]
dhclient
465 c361f624 0 1 465 0004002 [SLPQ ttyin 0xc342b010][SLP] getty
464 c35e0c48 0 1 464 0004002 [SLPQ ttyin 0xc3429410][SLP] getty
463 c356fa3c 0 1 463 0004002 [SLPQ ttyin 0xc3429810][SLP] getty
462 c356f418 0 1 462 0004002 [SLPQ ttyin 0xc343f010][SLP] getty
422 c342e624 0 1 422 0000000 [SLPQ nanslp 0xc06ba32c][SLP] cron
416 c356f000 25 1 416 0000100 [SLPQ pause 0xc356f034][SLP]
sendmail
412 c356f624 0 1 412 0000100 [SLPQ select 0xc0707644][SLP]
sendmail
406 c35e0000 0 1 406 0000100 [SLPQ select 0xc0707644][SLP] sshd
290 c361f20c 0 1 290 0000000 [SLPQ flswai 0xc0707c24][SLP]
syslogd
256 c3622418 0 1 256 0000000 [SLPQ select 0xc0707644][SLP] devd
145 c356f830 0 1 145 0000000 [SLPQ pause 0xc356f864][SLP]
adjkerntz
38 c3378c48 0 0 0 0000204 [SLPQ - 0xd56f5cf8][SLP] schedcpu
37 c342d000 0 0 0 0000204 [SLPQ sdflush 0xc070a3b4][SLP]
softdepflush
36 c342d20c 0 0 0 0000204 [SLPQ vlruwt 0xc342d20c][SLP] vnlru
35 c342d418 0 0 0 0000204 [SLPQ ufs 0xc363c46c][SLP] syncer
34 c342d624 0 0 0 0000204 [SLPQ wdrain 0xc0707be4][SLP]
bufdaemon
33 c342d830 0 0 0 000020c [SLPQ pgzero 0xc070b324][SLP]
pagezero
32 c342da3c 0 0 0 0000204 [SLPQ psleep 0xc070ae74][SLP]
vmdaemon
31 c342dc48 0 0 0 0000204 [SLPQ psleep 0xc070ae30][SLP]
pagedaemon
30 c342e000 0 0 0 0000204 [IWAIT] irq7: ppc0
29 c342e20c 0 0 0 0000204 [IWAIT] swi0: sio
28 c342e418 0 0 0 0000204 [IWAIT] irq1: atkbd0
27 c3319624 0 0 0 0000204 [SLPQ - 0xc32c943c][SLP] fdc0
26 c3319830 0 0 0 0000204 [IWAIT] irq16: fxp0
25 c3319a3c 0 0 0 0000204 [SLPQ aifthd 0xc3319a3c][SLP]
aac0aif
24 c3319c48 0 0 0 0000204 [SLPQ idle 0xc32c8400][SLP]
aic_recovery0
23 c3378000 0 0 0 0000204 [IWAIT] irq30: ahc0
22 c337820c 0 0 0 0000204 [SLPQ idle 0xc32c8400][SLP]
aic_recovery0
21 c3378418 0 0 0 0000204 [IWAIT] irq9: acpi0
9 c3378624 0 0 0 0000204 [SLPQ - 0xc3321200][SLP] thread
taskq
20 c3378830 0 0 0 0000204 [IWAIT] swi6: +
19 c3378a3c 0 0 0 0000204 [IWAIT] swi6: task queue
8 c32da20c 0 0 0 0000204 [SLPQ - 0xc3321480][SLP] acpi_task2
7 c32da418 0 0 0 0000204 [SLPQ - 0xc3321480][SLP] acpi_task1
6 c32da624 0 0 0 0000204 [SLPQ - 0xc3321480][SLP] acpi_task0
5 c32da830 0 0 0 0000204 [SLPQ - 0xc3321500][SLP] kqueue
taskq
18 c32daa3c 0 0 0 0000204 [IWAIT] swi2: cambio
17 c32dac48 0 0 0 0000204 [IWAIT] swi5: +
16 c3319000 0 0 0 0000204 [SLPQ - 0xc06b6b60][SLP] yarrow
4 c331920c 0 0 0 0000204 [SLPQ - 0xc06b7828][SLP] g_down
3 c3319418 0 0 0 0000204 [SLPQ - 0xc06b7824][SLP] g_up
2 c32d5000 0 0 0 0000204 [SLPQ - 0xc06b781c][SLP] g_event
15 c32d520c 0 0 0 0000204 [IWAIT] swi1: net
14 c32d5418 0 0 0 0000204 [IWAIT] swi3: vm
13 c32d5624 0 0 0 000020c [IWAIT] swi4: clock sio
12 c32d5830 0 0 0 000020c [CPU 0] idle: cpu0
11 c32d5a3c 0 0 0 000020c [CPU 1] idle: cpu1
1 c32d5c48 0 0 1 0004200 [SLPQ wait 0xc32d5c48][SLP] init
10 c32da000 0 0 0 0000204 [SLPQ ktrace 0xc06b8258][SLP] ktrace
0 c06b7920 0 0 0 0000200 [IWAIT] swapper
db> tr 524
Tracing pid 524 tid 100057 td 0xc35e1d80
sched_switch(c35e1d80,0,1,10a,73683eb3) at sched_switch+0x190
mi_switch(1,0,c066587f,1ba,c35e020c) at mi_switch+0x2e6
sleepq_switch(c35e020c,c06b9a00,1,c0661d3b,0) at sleepq_switch+0x112
sleepq_wait_sig(c35e020c,0,c0663282,c8,100) at sleepq_wait_sig+0x25
msleep(c35e020c,c35e0274,15c,c0667749,0) at msleep+0x326
kern_wait(c35e1d80,ffffffff,dab4cc7c,6,0) at kern_wait+0x8bd
wait4(c35e1d80,dab4cd04,10,41d,4) at wait4+0x3c
syscall(3b,3b,3b,1,0) at syscall+0x300
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (7, FreeBSD ELF32, wait4), eip = 0x2829d273, esp =
0xbfbfe56c, ebp = 0xbfbfe588 ---
db> tr 544
Tracing pid 544 tid 100090 td 0xc36c0000
sched_switch(c36c0000,0,1,10a,753725b3) at sched_switch+0x190
mi_switch(1,0,c066587f,1ba,c36bcc48) at mi_switch+0x2e6
sleepq_switch(c36bcc48,c06b9a00,1,c0661d3b,0) at sleepq_switch+0x112
sleepq_wait_sig(c36bcc48,0,c0663282,c8,100) at sleepq_wait_sig+0x25
msleep(c36bcc48,c36bccb0,15c,c0667749,0) at msleep+0x326
kern_wait(c36c0000,222,dabc3c7c,0,0) at kern_wait+0x8bd
wait4(c36c0000,dabc3d04,10,41d,4) at wait4+0x3c
syscall(3b,3b,3b,8050100,2) at syscall+0x300
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (7, FreeBSD ELF32, wait4), eip = 0x280d4273, esp =
0xbfbfe30c, ebp = 0xbfbfe328 ---
db> tr 511
Tracing pid 511 tid 100080 td 0xc35e2c00
sched_switch(c35e2c00,0,1,10a,ba5fc6b3) at sched_switch+0x190
mi_switch(1,0,c066587f,1ba,c36bb624) at mi_switch+0x2e6
sleepq_switch(c36bb624,c06b9a00,1,c0661d3b,0) at sleepq_switch+0x112
sleepq_wait_sig(c36bb624,0,c0663282,c8,100) at sleepq_wait_sig+0x25
msleep(c36bb624,c36bb68c,15c,c0667749,0) at msleep+0x326
kern_wait(c35e2c00,ffffffff,dab67c7c,6,0) at kern_wait+0x8bd
wait4(c35e2c00,dab67d04,10,41d,4) at wait4+0x3c
syscall(3b,3b,bfbf003b,1,0) at syscall+0x300
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (7, FreeBSD ELF32, wait4), eip = 0x2829d273, esp =
0xbfbfe88c, ebp = 0xbfbfe8a8 ---
db> show allpcpu
Current CPU: 0
cpuid = 0
curthread = 0xc32d6900: pid 12 "idle: cpu0"
curpcb = 0xd44dad90
fpcurthread = none
idlethread = 0xc32d6900: pid 12 "idle: cpu0"
APIC ID = 1
currentldt = 0x50
spin locks held:
cpuid = 1
curthread = 0xc32d6780: pid 11 "idle: cpu1"
curpcb = 0xd44d7d90
fpcurthread = none
idlethread = 0xc32d6780: pid 11 "idle: cpu1"
APIC ID = 0
currentldt = 0x50
spin locks held:
db> show alllocks
db> show lockedvnods
Locked vnodes
0xc35d76cc: tag syncer, type VNON
usecount 1, writecount 0, refcount 2 mountedhere 0
flags ()
lock type syncer: EXCL (count 1) by thread 0xc32dbc00 (pid 35)#0
0xc04d300c at lockmgr+0x5bc
#1 0xc0541a72 at vop_stdlock+0x32
#2 0xc06419d4 at VOP_LOCK_APV+0xb4
#3 0xc055b77c at vn_lock+0xec
#4 0xc054beb2 at sync_vnode+0x132
#5 0xc054c1ff at sched_sync+0x26f
#6 0xc04c7851 at fork_exit+0xc1
#7 0xc0614fac at fork_trampoline+0x8
0xc363c414: tag ufs, type VREG
usecount 1, writecount 1, refcount 1536 mountedhere 0
flags ()
v_object 0xc36c2210 ref 0 pages 52780
lock type ufs: EXCL (count 1) by thread 0xc35e2480 (pid 515) with 1
pending#0 0xc04d300c at lockmgr+0x5bc
#1 0xc05b7ac6 at ffs_lock+0xa6
#2 0xc06419d4 at VOP_LOCK_APV+0xb4
#3 0xc055b77c at vn_lock+0xec
#4 0xc373e485 at mdstart_vnode+0xe5
#5 0xc373ec5f at md_kthread+0x14f
#6 0xc04c7851 at fork_exit+0xc1
#7 0xc0614fac at fork_trampoline+0x8
ino 1515, on dev aacd0s1f
0xc368f000: tag ufs, type VDIR
usecount 4, writecount 0, refcount 6 mountedhere 0
flags ()
v_object 0xc360318c ref 0 pages 1
lock type ufs: EXCL (count 1) by thread 0xc3573d80 (pid 547)#0
0xc04d300c at lockmgr+0x5bc
#1 0xc05b7ac6 at ffs_lock+0xa6
#2 0xc06419d4 at VOP_LOCK_APV+0xb4
#3 0xc055b77c at vn_lock+0xec
#4 0xc0543ce6 at lookup+0xe6
#5 0xc0543918 at namei+0x488
#6 0xc055467f at kern_lstat+0x4f
#7 0xc05545ff at lstat+0x2f
#8 0xc062aea0 at syscall+0x300
#9 0xc0614f9f at Xint0x80_syscall+0x1f
ino 3, on dev md0a
0xc3777c3c: tag ufs, type VREG
usecount 1, writecount 0, refcount 239 mountedhere 0
flags ()
lock type ufs: EXCL (count 1) by thread 0xc35e2300 (pid 546) with 1
pending#0 0xc04d300c at lockmgr+0x5bc
#1 0xc0542cd6 at vfs_hash_insert+0x36
#2 0xc05b657e at ffs_vget+0x1ce
#3 0xc05960c7 at ffs_valloc+0x137
#4 0xc05c4d19 at ufs_makeinode+0x79
#5 0xc05c1826 at ufs_create+0x36
#6 0xc063f332 at VOP_CREATE_APV+0xd2
#7 0xc05a015a at ffs_snapshot+0x33a
#8 0xc05b3cb1 at ffs_mount+0xa81
#9 0xc05469fe at vfs_domount+0x6be
#10 0xc05460ea at vfs_donmount+0x47a
#11 0xc054906e at kernel_mount+0x7e
#12 0xc05b3ee4 at ffs_cmount+0x84
#13 0xc0546326 at mount+0x1e6
#14 0xc062aea0 at syscall+0x300
#15 0xc0614f9f at Xint0x80_syscall+0x1f
ino 4, on dev md0a
db> where 35
Tracing pid 35 tid 100030 td 0xc32dbc00
sched_switch(c32dbc00,0,1,10a,3a53d433) at sched_switch+0x190
mi_switch(1,0,c066587f,1ba,1) at mi_switch+0x2e6
sleepq_switch(c363c46c,0,c066587f,20c,d451ca24) at sleepq_switch+0x112
sleepq_wait(c363c46c,0,c0663282,c8,0) at sleepq_wait+0x65
msleep(c363c46c,c06b96fc,50,c0669f9f,0) at msleep+0x335
acquire(d451cad0,40,60000,b1,c32dbc00) at acquire+0x8e
lockmgr(c363c46c,2002,c363c4dc,c32dbc00,c363c4dc) at lockmgr+0x516
ffs_lock(d451cb38,d451cb1c,c04d73fd,2002,c363c414) at ffs_lock+0xa6
VOP_LOCK_APV(c06a5920,d451cb38,c0673d22,d451cb3c,c050ccb0) at
VOP_LOCK_APV+0xb4
vn_lock(c363c414,2002,c32dbc00,7a5,2002) at vn_lock+0xec
vget(c363c414,2002,c32dbc00,2fc,c3558c90) at vget+0xff
qsync(c3558c00,0,c0673039,47c,c0661d3b) at qsync+0x13d
ffs_sync(c3558c00,3,c32dbc00,c32dbc00,c3558c00) at ffs_sync+0x392
sync_fsync(d451cca0,c0680e2f,c35d76cc,c35d76cc,c35d77d8) at sync_fsync+0x19e
VOP_FSYNC_APV(c069f540,d451cca0,c32dbc00,620,0) at VOP_FSYNC_APV+0xd2
sync_vnode(c35d77d8,c32dbc00,c066c1b0,657,0) at sync_vnode+0x158
sched_sync(0,d451cd38,c065fd98,31d,0) at sched_sync+0x26f
fork_exit(c054bf90,0,d451cd38) at fork_exit+0xc1
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip = 0, esp = 0xd451cd6c, ebp = 0 ---
db> where 515
Tracing pid 515 tid 100085 td 0xc35e2480
sched_switch(c35e2480,0,1,10a,f85dbeb3) at sched_switch+0x190
mi_switch(1,0,c066587f,1ba,1) at mi_switch+0x2e6
sleepq_switch(c0707be4,0,c066587f,20c,dab58894) at sleepq_switch+0x112
sleepq_wait(c0707be4,0,c0663282,c8,0) at sleepq_wait+0x65
msleep(c0707be4,c0707c00,44,c066a543,0) at msleep+0x335
waitrunningbufspace(c363c520,cd895584,cd8955e4,4000,cd895584) at
waitrunningbufspace+0x72
bufwrite(cd895584,c05b8419,c06400ac,246,c06969c4) at bufwrite+0x1a1
vfs_bio_awrite(cd895584,0,c06733a7,e4,c80000) at vfs_bio_awrite+0x29e
ffs_syncvnode(c363c414,2,c06a5920,dab58980,c0640922) at ffs_syncvnode+0x352
ffs_fsync(dab589bc,c0680e2f,c35e2480,c35e2480,cd81e4b8) at ffs_fsync+0x1c
VOP_FSYNC_APV(c06a5920,dab589bc,c066a527,37f,c363c414) at VOP_FSYNC_APV+0xd2
bdwrite(cd81e4b8,c3671948,cd851fa8,7fa,54c540) at bdwrite+0x12b
ffs_balloc_ufs2(c363c414,f6352000,2f,2000,c3655300) at
ffs_balloc_ufs2+0x193e
ffs_write(dab58c78,c0680c61,0,0,0) at ffs_write+0x369
VOP_WRITE_APV(c06a5920,dab58c78,c35e2480,1ea,c3558c00) at
VOP_WRITE_APV+0x17c
mdstart_vnode(c36b2000,c37df39c,c373ff9e,2a3,0) at mdstart_vnode+0x126
md_kthread(c36b2000,dab58d38,c065fd98,31d,c35e2480) at md_kthread+0x14f
fork_exit(c373eb10,c36b2000,dab58d38) at fork_exit+0xc1
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip = 0, esp = 0xdab58d6c, ebp = 0 ---
db> where 547
Tracing pid 547 tid 100067 td 0xc3573d80
sched_switch(c3573d80,0,1,10a,5da4c133) at sched_switch+0x190
mi_switch(1,0,c066587f,1ba,1) at mi_switch+0x2e6
sleepq_switch(c3777c94,0,c066587f,20c,dab2e71c) at sleepq_switch+0x112
sleepq_wait(c3777c94,0,c0663282,c8,0) at sleepq_wait+0x65
msleep(c3777c94,c06b8814,50,c0669f9f,0) at msleep+0x335
acquire(dab2e7c8,40,60000,b1,c3573d80) at acquire+0x8e
lockmgr(c3777c94,2002,c3777d04,c3573d80,c3777d04) at lockmgr+0x516
ffs_lock(dab2e830,dab2e814,c04d73fd,2002,c3777c3c) at ffs_lock+0xa6
VOP_LOCK_APV(c06a5920,dab2e830,c066b6c8,dab2e834,c050ccb0) at
VOP_LOCK_APV+0xb4
vn_lock(c3777c3c,2002,c3573d80,7a5,2002) at vn_lock+0xec
vget(c3777c3c,2002,c3573d80,50,dab2ebc0) at vget+0xff
vfs_hash_get(c3429c00,4,2,c3573d80,dab2e98c) at vfs_hash_get+0xe2
ffs_vget(c3429c00,4,2,dab2e98c,dab2e990) at ffs_vget+0x49
ufs_lookup(dab2ea40,c0680949,c368f000,c368f000,dab2ebc0) at ufs_lookup+0xbdf
VOP_CACHEDLOOKUP_APV(c06a5920,dab2ea40,dab2ebc0,c3573d80,c376f380) at
VOP_CACHEDLOOKUP_APV+0xd2
vfs_cache_lookup(dab2eaec,dab2eaec,0,c368f000,dab2ebc0) at
vfs_cache_lookup+0xd0
VOP_LOOKUP_APV(c06a5920,dab2eaec,c3573d80,3,1) at VOP_LOOKUP_APV+0xb4
lookup(dab2eb98,0,c066b85d,b6,6b2) at lookup+0x528
namei(dab2eb98,dab2ebe8,60,854,c3573d80) at namei+0x488
kern_lstat(c3573d80,80524a8,0,dab2ec6c,dab2ec88) at kern_lstat+0x4f
lstat(c3573d80,dab2ed04,8,41d,2) at lstat+0x2f
syscall(3b,3b,3b,8052448,8052400) at syscall+0x300
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (190, FreeBSD ELF32, lstat), eip = 0x28182613, esp =
0xbfbfe55c, ebp = 0xbfbfe5f8 ---
db> where 546
Tracing pid 546 tid 100086 td 0xc35e2300
sched_switch(c35e2300,0,1,10a,6af4f133) at sched_switch+0x190
mi_switch(1,0,c066587f,1ba,2) at mi_switch+0x2e6
sleepq_switch(c0707be4,0,c066587f,20c,dab5560c) at sleepq_switch+0x112
sleepq_wait(c0707be4,0,c0663282,c8,0) at sleepq_wait+0x65
msleep(c0707be4,c0707c00,44,c066a543,0) at msleep+0x335
waitrunningbufspace(c3777d48,cd832380,c3527c00,c3527c00,c3580000) at
waitrunningbufspace+0x72
bufwrite(cd832380,0,dab55934,c05a043f,cd832380) at bufwrite+0x1a1
bawrite(cd832380,4a030000,2b,4000,c3655300) at bawrite+0x6b
ffs_snapshot(c3429c00,c3572680,dab559a8,6c,1) at ffs_snapshot+0x61f
ffs_mount(c3429c00,c35e2300,c066ba58,331,c06c0ea0) at ffs_mount+0xa81
vfs_domount(c35e2300,c354a680,c3391030,1211000,c3391230) at
vfs_domount+0x6be
vfs_donmount(c35e2300,1211000,dab55bf4,c3779080,e) at vfs_donmount+0x47a
kernel_mount(c3391910,1211000,dab55c38,6c,805bb00) at kernel_mount+0x7e
ffs_cmount(c3391910,bfbfec70,1211000,c35e2300,c06a5600) at ffs_cmount+0x84
mount(c35e2300,dab55d04,c067d6fd,3cb,4) at mount+0x1e6
syscall(3b,3b,3b,bfbfec70,805dab8) at syscall+0x300
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (21, FreeBSD ELF32, mount), eip = 0x280cddb7, esp =
0xbfbfea0c, ebp = 0xbfbfed18 ---
db>
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