linux-kernel - Re: Oops/Warning report for the week of November 19th, 2008

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Message-ID: <20081119162039.74661670@lxorguk.ukuu.org.uk>
Date:	Wed, 19 Nov 2008 16:20:39 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, x86@...r.kernel.org, tytso@....edu,
	linux-ide@...r.kernel.org
Subject: Re: Oops/Warning report for the week of November 19th, 2008

> Rank 7: __atapi_pio_bytes (warning)
> 	Reported 108 times
> 	This is a new entry this week that started showing up
> 	This warning was last seen in version 2.6.27.5, and first seen in 2.6.27.4.
> 	More info: http://www.kerneloops.org/searchweek.php?search=__atapi_pio_bytes

Someone is feeding the driver an sg list which has an odd number of bytes
in an sg list entry which isnt the final one.

Now I don't offhand know if that is valid or not but if it occurs then
the libata code can't cope.

Alan
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