Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758264AbYC0Sa1 (ORCPT ); Thu, 27 Mar 2008 14:30:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754901AbYC0SaK (ORCPT ); Thu, 27 Mar 2008 14:30:10 -0400 Received: from mail.gmx.net ([213.165.64.20]:47226 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1754096AbYC0SaJ (ORCPT ); Thu, 27 Mar 2008 14:30:09 -0400 X-Authenticated: #1946754 X-Provags-ID: V01U2FsdGVkX19m7z4GmnpmX66L0P9lhRhldA62Un5aCeDECEQTSh sohO9i09AIg4hS Message-ID: <47EBE7AE.5020402@gmx.de> Date: Thu, 27 Mar 2008 19:30:06 +0100 From: Markus Rehbach User-Agent: Thunderbird 2.0.0.12 (X11/20080213) MIME-Version: 1.0 To: Thomas Gleixner CC: Andrew Morton , Christian Kujau , LKML , "Rafael J. Wysocki" , Ingo Molnar Subject: Re: 2.6.25-rc6: BUG: unable to handle kernel NULL pointer dereference References: <20080325233357.17d6ac41.akpm@linux-foundation.org> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 633 Lines: 19 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/