Subject: Re: 2.6.34-rc1 eat my photo SD card :-(
From: Romano Giannetti <romanol@upcomillas.es>
To: Willy Tarreau <w@1wt.eu>
Cc: Pierre Ossman <drzeus-mmc@drzeus.cx>, Roland Dreier <rdreier@cisco.com>,
       linux-kernel@vger.kernel.org
In-Reply-To: <20071106195148.GD1045@1wt.eu>
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	 <1194270393.27789.2.camel@localhost>
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Date: Tue, 06 Nov 2007 22:48:13 +0100
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On Tue, 2007-11-06 at 20:51 +0100, Willy Tarreau wrote:
> On Tue, Nov 06, 2007 at 10:58:41AM +0100, Romano Giannetti wrote:
> (first time)
> > 0000000 0000 0000 31e4 c363 d908 cb2e 0000 0000
> 
> (fourth time)
> > 0000000 0000 0000 71e4 c36f d908 cb2e 0000 0000
> 
> (fifth time)
> > 0000000 0000 0000 f1e4 c37b d908 cb2e 0000 0000
> 
> Most always, you have only a few bits which change, and always for
> the same bytes :
> 
>   31 -> 71 -> f1  (|40, |80)
>   63 -> 6f -> 7b  (|0c, |10&~4)


Yes, but the second, third and  sixth it was:

0000000 6b6b 6b6b 6b6b 6b6b 6b6b 6b6b 6b6b 6b6b
*
which seems to me something poisoned... and the error in the filesystem
was a 0xffff turned 0x0000. 

I do really suspect a software bug.

Romano

-- 
Sorry for the disclaimer --- ?I cannot stop it!


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