linux-kernel - Re: possible BUG: unable to handle kernel NULL pointer dereference at virtual address 00000000

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Message-ID: <474C56C8.80206@xs4all.nl>
Date:	Tue, 27 Nov 2007 18:41:28 +0100
From:	Udo van den Heuvel <udovdh@...all.nl>
To:	Cyrill Gorcunov <gorcunov@...il.com>
CC:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: possible BUG: unable to handle kernel NULL pointer dereference
 at virtual address 00000000

Cyrill Gorcunov wrote:
> | > Could you try it and report me how it works?
> | 
> | Yes I can!
> | Thanks for the patch.
> | But how can I reproduce the (possible) bug the easiest?
> | It `just happened` during compiling.
> | So I compile some more?
> 
> yes i think that is the way we could catch it (i mean compiling everything
> until bug happens ;) 

I made a do while loop doing make bzImage modules and a make clean.
Should be OK?

> the patch i send you is quite stupid and based on my
> feelings that we have problem with dcache but maybe i just wrong...
> dunno...lets just try ;) and could you please send your config to me and
> LKML too.

See the attached .config.
This is for my VIA Epia EN12000 board.

View attachment "config.recorder-2.6.23.8.txt" of type "text/plain" (45664 bytes)