linux-kernel - Re: 2.6.25-rc6: BUG: unable to handle kernel NULL pointer dereference

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Message-ID: <47EBE7AE.5020402@gmx.de>
Date:	Thu, 27 Mar 2008 19:30:06 +0100
From:	Markus Rehbach <markus.rehbach@....de>
To:	Thomas Gleixner <tglx@...utronix.de>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Christian Kujau <lists@...dbynature.de>,
	LKML <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>, Ingo Molnar <mingo@...e.hu>
Subject: Re: 2.6.25-rc6: BUG: unable to handle kernel NULL pointer dereference

Thomas Gleixner schrieb:
 > On Tue, 25 Mar 2008, Andrew Morton wrote:

 >> http://lkml.org/lkml/2008/3/21/202 and it's already in the regresison list.
 >
 > Same here. And both are AMD X2 early stepping machines.

 > A dropped workaround for the prefetch bug in early X2s and
 > Opterons. Patch below.

The patch cures it. Tested with rc5-git5, and it was 100%
reproducible here.

Markus
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