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Date:      Wed, 08 Jan 2014 08:33:04 -0200
From:      Marcelo Gondim <gondim@bsdinfo.com.br>
To:        stable@freebsd.org
Subject:   geom_stripe and panic after 16 days (9-stable)
Message-ID:  <52CD2960.7030805@bsdinfo.com.br>

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Hi all,

I have a mail server with 4 disks. 1 disc with the operating system and 
3 disks in raid 0 which is mounted my /var. After 16 or 19 days, I get a 
kernel panic. Have swapped memories and even then after some time the 
kernel panic happens. Looking dump below I could be sure that the 
/dev/ada1is in trouble?
I've done the fsck -yin single mode several times and did not solve the 
problem.

Wed Jan  8 08:13:00 BRST 2014

FreeBSD mail.xxx.com.br 9.2-STABLE FreeBSD 9.2-STABLE #2 r258208: Thu 
Dec 19 09:33:43 BRST 2013 
root@mail.xxx.com.br:/usr/obj/usr/src/sys/TITAN  amd64

panic: softdep_deallocate_dependencies: unrecovered I/O error

GNU gdb 6.1.1 [FreeBSD]
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welcome to change it and/or distribute copies of it under certain 
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Type "show copying" to see the conditions.
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This GDB was configured as "amd64-marcel-freebsd"...

Unread portion of the kernel message buffer:
ada1 at ahcich1 bus 0 scbus1 target 0 lun 0
ada1: <WDC WD10EZEX-00RKKA0 80.00A80> s/n WD-WCC1S2515766 detached
g_vfs_done():stripe/var[WRITE(offset=426073161728, length=32768)]error = 6
/dev: got error 6 while accessing filesystem
panic: softdep_deallocate_dependencies: unrecovered I/O error
cpuid = 3
KDB: stack backtrace:
#0 0xffffffff8053e1c6 at kdb_backtrace+0x66
#1 0xffffffff80503ede at panic+0x1ce
#2 0xffffffff8070d290 at clear_remove+0
#3 0xffffffff80585705 at brelse+0x75
#4 0xffffffff80588599 at bufwrite+0x109
#5 0xffffffff807011f3 at ffs_update+0x273
#6 0xffffffff80726b63 at ffs_syncvnode+0x4f3
#7 0xffffffff8072775e at ffs_fsync+0x2e
#8 0xffffffff807cf768 at VOP_FSYNC_APV+0x78
#9 0xffffffff805adf5b at sys_fsync+0x18b
#10 0xffffffff8077b44a at amd64_syscall+0x5ea
#11 0xffffffff80765b67 at Xfast_syscall+0xf7
Uptime: 19d14h7m37s
Dumping 705 out of 7904 MB:..3%..12%..21%..32%..41%..53%..62%..71%..82%..91%

Reading symbols from /boot/kernel/geom_stripe.ko...Reading symbols from 
/boot/kernel/geom_stripe.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/geom_stripe.ko
Reading symbols from /boot/kernel/aio.ko...Reading symbols from 
/boot/kernel/aio.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/aio.ko
Reading symbols from /boot/kernel/accf_data.ko...Reading symbols from 
/boot/kernel/accf_data.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/accf_data.ko
Reading symbols from /boot/kernel/accf_dns.ko...Reading symbols from 
/boot/kernel/accf_dns.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/accf_dns.ko
Reading symbols from /boot/kernel/accf_http.ko...Reading symbols from 
/boot/kernel/accf_http.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/accf_http.ko
Reading symbols from /boot/kernel/coretemp.ko...Reading symbols from 
/boot/kernel/coretemp.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/coretemp.ko
Reading symbols from /boot/kernel/cc_htcp.ko...Reading symbols from 
/boot/kernel/cc_htcp.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/cc_htcp.ko
#0  doadump (textdump=<value optimized out>) at pcpu.h:234
234    pcpu.h: No such file or directory.
     in pcpu.h
(kgdb) #0  doadump (textdump=<value optimized out>) at pcpu.h:234
#1  0xffffffff805039b6 in kern_reboot (howto=260)
     at /usr/src/sys/kern/kern_shutdown.c:449
#2  0xffffffff80503eb7 in panic (fmt=0x1 <Address 0x1 out of bounds>)
     at /usr/src/sys/kern/kern_shutdown.c:637
#3  0xffffffff8070d290 in softdep_deallocate_dependencies (
     bp=<value optimized out>) at /usr/src/sys/ufs/ffs/ffs_softdep.c:13593
#4  0xffffffff80585705 in brelse (bp=0xffffff81de2f0210) at buf.h:430
#5  0xffffffff80588599 in bufwrite (bp=0xffffff81de2f0210)
     at /usr/src/sys/kern/vfs_bio.c:1123
#6  0xffffffff807011f3 in ffs_update (vp=0xfffffe01ad068dc8, waitfor=1)
     at buf.h:397
#7  0xffffffff80726b63 in ffs_syncvnode (vp=0xfffffe01ad068dc8, waitfor=1,
     flags=<value optimized out>) at /usr/src/sys/ufs/ffs/ffs_vnops.c:341
#8  0xffffffff8072775e in ffs_fsync (ap=0xffffff823d21c970)
     at /usr/src/sys/ufs/ffs/ffs_vnops.c:188
#9  0xffffffff807cf768 in VOP_FSYNC_APV (vop=0xffffffff80ae3220,
     a=0xffffff823d21c970) at vnode_if.c:1309
#10 0xffffffff805adf5b in sys_fsync (td=0xfffffe0155ac2920,
     uap=<value optimized out>) at vnode_if.h:549
#11 0xffffffff8077b44a in amd64_syscall (td=0xfffffe0155ac2920, traced=0)
     at subr_syscall.c:135
#12 0xffffffff80765b67 in Xfast_syscall ()
     at /usr/src/sys/amd64/amd64/exception.S:391
#13 0x00000008024f975c in ?? ()
Previous frame inner to this frame (corrupt stack?)
(kgdb)

Thanks and best regards



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