From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755049AbZBIXpz (ORCPT ); Mon, 9 Feb 2009 18:45:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752705AbZBIXpq (ORCPT ); Mon, 9 Feb 2009 18:45:46 -0500 Received: from mx3.mail.elte.hu ([157.181.1.138]:38266 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752500AbZBIXpp (ORCPT ); Mon, 9 Feb 2009 18:45:45 -0500 Date: Tue, 10 Feb 2009 00:45:28 +0100 From: Ingo Molnar To: "Morten P.D. Stevens" , Yinghai Lu , Thomas Gleixner , "H. Peter Anvin" , Arjan van de Ven Cc: linux-kernel@vger.kernel.org Subject: Re: warning in arch/x86/kernel/cpu/mtrr/generic.c:400 with 2.6.29-rc3 on IBM x3400 Message-ID: <20090209234528.GA862@elte.hu> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Morten P.D. Stevens wrote: > Hi, > > Update: > > the same issue with a linux 2.6.28.4 kernel. > > [ 0.000000] ------------[ cut here ]------------ > [ 0.000000] WARNING: at arch/x86/kernel/cpu/mtrr/generic.c:404 generic_get_mtrr+0xdf/0x119() > [ 0.000000] mtrr: your BIOS has set up an incorrect mask, fixing it up. buggy BIOS most likely. Had the kernel not fixed up the MTRRs you'd have a very slow and unhappy system now. Ingo