linux-kernel - Re: [2.6.23 PATCH 07/18] dm io: fix panic on large request

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Message-ID: <469DE6B0.60807@trash.net>
Date:	Wed, 18 Jul 2007 12:08:48 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	Jun'ichi Nomura <j-nomura@...jp.nec.com>
CC:	Alasdair G Kergon <agk@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>, dm-devel@...hat.com,
	linux-kernel@...r.kernel.org
Subject: Re: [2.6.23 PATCH 07/18] dm io: fix panic on large request

Jun'ichi Nomura wrote:
> Patrick McHardy wrote:
> 
>>Jun'ichi Nomura wrote:
>>
>>>Are you using other dm modules such as dm-multipath, dm-mirror
>>>or dm-snapshot?
>>>If so, can you take the output of 'dmsetup table' and 'dmsetup ls'?
>>
>>No other modules.
>>
>>
>>>Do you have a reliable way to reproduce the oops which I can try?
>>
>>"/etc/init.d/cryptdisk start" (debian) on a luks partition triggered
>>it for me.
> 
> 
> With today's git HEAD (commit 49c13b51a15f1ba9f6d47e26e4a3886c4f3931e2),
> I tried the following but could not reproduce the oops here.
>   # cryptsetup luksFormat /dev/sdb1
>   # cryptsetup luksOpen /dev/sdb1 c
>   # mkfs.ext3 /dev/mapper/c
>   <mount it and do some I/O>


I put in the patch again and it doesn't oops anymore, so sorry for
the false alarm. I did got the oops I pasted several times before
that though, I'll keep an eye on it and try to gather more information
in case it happens again.

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