From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755487AbZAVIcQ (ORCPT ); Thu, 22 Jan 2009 03:32:16 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752714AbZAVIcA (ORCPT ); Thu, 22 Jan 2009 03:32:00 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:45617 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751336AbZAVIcA (ORCPT ); Thu, 22 Jan 2009 03:32:00 -0500 Date: Thu, 22 Jan 2009 09:31:49 +0100 From: Ingo Molnar To: Jeff Mahoney Cc: Suresh Siddha , Linux Kernel Mailing List , Venkatesh Pallipadi , "H. Peter Anvin" , Thomas Gleixner Subject: Re: [BUG] Page table corruption from commit 9542ada803198e6eba29d3289abb39ea82047b92. Message-ID: <20090122083149.GB7438@elte.hu> References: <49780D3D.5030406@suse.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <49780D3D.5030406@suse.com> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.1 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.1 required=5.9 tests=BAYES_05 autolearn=no SpamAssassin version=3.2.3 -1.1 BAYES_05 BODY: Bayesian spam probability is 1 to 5% [score: 0.0256] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Jeff Mahoney wrote: > > Hi Suresh - > > I'm running into the following dump on one of my development nodes. I've > bisected it down to commit 9542ada803198e6eba29d3289abb39ea82047b92. The > SUSE hwinfo tool can reproduce this readily, at least on my system. I'd > be happy to try any test fixes. > > Here's from the bisection run, 2.6.27-rc6. Could you try the current -tip tree please? http://people.redhat.com/mingo/tip.git/README There's a number of fixes in there that i think will fix your crash. In particular: 9597134: x86: fix PTE corruption issue while mapping RAM using /dev/mem Ingo