linux-kernel - Re: BUG in free

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Message-ID: <84144f020808181437n34f3a339j3392ccccfdfd60f9@mail.gmail.com>
Date:	Tue, 19 Aug 2008 00:37:33 +0300
From:	"Pekka Enberg" <penberg@...helsinki.fi>
To:	"Simon Arlott" <simon@...e.lp0.eu>
Cc:	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	akpm <akpm@...ux-foundation.org>,
	"Christoph Lameter" <cl@...ux-foundation.org>
Subject: Re: BUG in free_block (tainted)

Hi Simon,

On Tue, Aug 19, 2008 at 12:28 AM, Simon Arlott <simon@...e.lp0.eu> wrote:
> http://img169.imageshack.us/img169/1170/1005548cp9.jpg
>
> 2.6.27-rc3 09873-gb08c7f5
>
> (Tainted with fglrx, but X hadn't been run...)

Looks like SLAB corruption so fglrx could have caused this even if you
just loaded the module. Do you have CONFIG_DEBUG_SLAB enabled? If not,
you might want to try to reproduce this with it. Of course,
reproducing the oops without fglrx would be most helpful. :-)

                          Pekka
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