From: Rene Herman <rene.herman@gmail.com>
To: Jens Axboe <axboe@suse.de>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [Q] Bio traversal trouble?
Date: Mon, 04 Jun 2007 17:07:31 +0200 [thread overview]
Message-ID: <46642AB3.1000907@gmail.com> (raw)
In-Reply-To: <4663DE68.5030200@gmail.com>
On 06/04/2007 11:42 AM, Rene Herman wrote:
[ ... ]
> Unfortunately, I can make the box oops by just doing enough of those dd
> runs in a row (this one with bs=2k count=128, oopsed the seventh time or
> something):
>
> ===
> BUG: unable to handle kernel paging request at virtual address 8c1d2071
> printing eip:
> c10a6d6f
> *pde = 00000000
> Oops: 0002 [#1]
> Modules linked in: mitsumi nfsd exportfs lockd sunrpc nls_cp437 msdos
> fat nls_base
> CPU: 0
> EIP: 0060:[<c10a6d6f>] Not tainted VLI
> EFLAGS: 00010246 (2.6.21.3 #1)
> EIP is at ioread8_rep+0x20/0x31
> eax: 00010000 ebx: 00010300 ecx: 00000800 edx: 00000300
> esi: c3145b30 edi: 8c1d2071 ebp: 8c1d2071 esp: c3145aec
> ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068
> Process dd (pid: 1770, ti=c3145000 task=c3114110 task.ti=c3145000)
> Stack: 00000000 c3a7ad48 c486504d c4865ab7 00000006 50020034 c1015f7b
> 00000292
> 00000000 00520300 00000100 0007e000 00000000 c3340300 c10a0531
> 00000000
> c12adf60 00000000 00000001 00000000 00000000 00000000 dead4ead
> ffffffff
> Call Trace:
> [<c486504d>] __mitsumi_get_frame+0xc/0x16 [mitsumi]
> [<c4865ab7>] mitsumi_get_frame+0x120/0x134 [mitsumi]
> [<c1015f7b>] lock_timer_base+0x15/0x2f
> [<c10a0531>] cfq_set_request+0x0/0x144
Perhaps interesting (and perhaps not) -- I've been unable to reproduce the OOPS
after rebooting with elevator=as.
Rene.
next prev parent reply other threads:[~2007-06-04 15:10 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-04 9:42 [Q] Bio traversal trouble? Rene Herman
2007-06-04 15:07 ` Rene Herman [this message]
2007-06-04 15:09 ` Rene Herman
2007-06-04 18:41 ` Pekka Enberg
2007-06-04 20:38 ` Rene Herman
2007-06-04 22:49 ` Rene Herman
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