Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763134AbZCQJpA (ORCPT ); Tue, 17 Mar 2009 05:45:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755953AbZCQJov (ORCPT ); Tue, 17 Mar 2009 05:44:51 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:43843 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755407AbZCQJou (ORCPT ); Tue, 17 Mar 2009 05:44:50 -0400 Date: Tue, 17 Mar 2009 10:43:32 +0100 From: Ingo Molnar To: Yinghai Lu Cc: Ozan =?utf-8?B?w4dhxJ9sYXlhbg==?= , Thomas Gleixner , "H. Peter Anvin" , Andrew Morton , linux-kernel@vger.kernel.org Subject: Re: [BUG 2.6.29_rc8] BIOS Bug: CPU MTRRs don't cover all of memory, losing 0MB of RAM. Message-ID: <20090317094332.GE6477@elte.hu> References: <49BE58BA.1000907@pardus.org.tr> <86802c440903161121s3ba18abaiaa3ccf6847e0eafe@mail.gmail.com> <49BEB3C9.8070705@pardus.org.tr> <49BECBF4.1000508@kernel.org> <49BED5D5.2000801@pardus.org.tr> <49BED813.1090405@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <49BED813.1090405@kernel.org> 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 Content-Length: 1480 Lines: 28 * Yinghai Lu wrote: > > x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106 > > get_mtrr: cpu0 reg00 base=0000000000 size=0010000000 write-back > > get_mtrr: cpu0 reg01 base=00000cff00 size=0000000100 uncachable > > get_mtrr: cpu0 reg02 base=00000d0000 size=0000010000 uncachable > > get_mtrr: cpu0 reg03 base=00000e0000 size=0000020000 uncachable > > get_mtrr: cpu0 reg04 base=0000000004 size=0000000001 uncachable > > get_mtrr: cpu0 reg05 base=0000000005 size=0000000001 uncachable > > get_mtrr: cpu0 reg06 base=0000000006 size=0000000001 uncachable > > get_mtrr: cpu0 reg07 base=0000000007 size=0000000001 uncachable > > WARNING: BIOS bug: VAR MTRR contains strange UC entry under 1M, check with your system vendor! > > WARNING: BIOS bug: VAR MTRR contains strange UC entry under 1M, check with your system vendor! > > WARNING: BIOS bug: VAR MTRR contains strange UC entry under 1M, check with your system vendor! > > WARNING: BIOS bug: VAR MTRR contains strange UC entry under 1M, check with your system vendor! > > you got four wrong entries but it's unintuitive. That warning should specify which entry is wrong, so that we dont get these pointless duplicated lines. Ingo -- 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/