Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757639AbZCMJHW (ORCPT ); Fri, 13 Mar 2009 05:07:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751603AbZCMJHG (ORCPT ); Fri, 13 Mar 2009 05:07:06 -0400 Received: from va3ehsobe002.messaging.microsoft.com ([216.32.180.12]:36012 "EHLO VA3EHSOBE002.bigfish.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751251AbZCMJHE convert rfc822-to-8bit (ORCPT ); Fri, 13 Mar 2009 05:07:04 -0400 X-BigFish: VPS-32(z6cekz1432R98dR1805M936fK9371Pzz1202hzzz32i6bh62h) X-Spam-TCS-SCL: 1:0 X-FB-SS: 5, X-WSS-ID: 0KGFTBF-02-ECP-01 Date: Fri, 13 Mar 2009 10:06:50 +0100 From: Andreas Herrmann To: Yinghai Lu CC: Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" , linux-kernel@vger.kernel.org, trenn@suse.de Subject: Re: [PATCH] x86: mtrr: don't modify RdDram/WrDram bits of fixed MTRRs Message-ID: <20090313090650.GL20716@alberich.amd.com> References: <20090311150027.GK10490@alberich.amd.com> <86802c440903120101o2a0c1ad0iec395c45f782078a@mail.gmail.com> <20090312114121.GF20716@alberich.amd.com> <86802c440903121124o10439dcdvf8b9fa0b37c62062@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Disposition: inline In-Reply-To: <86802c440903121124o10439dcdvf8b9fa0b37c62062@mail.gmail.com> User-Agent: Mutt/1.5.16 (2007-06-09) X-OriginalArrivalTime: 13 Mar 2009 09:06:52.0187 (UTC) FILETIME=[0C91E6B0:01C9A3BB] Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1339 Lines: 38 On Thu, Mar 12, 2009 at 11:24:12AM -0700, Yinghai Lu wrote: > On Thu, Mar 12, 2009 at 4:41 AM, Andreas Herrmann > wrote: > > On Thu, Mar 12, 2009 at 01:01:26AM -0700, Yinghai Lu wrote: > >> wonder if you could add one dmi check to tell the user that bios is > >> buggy, ask vendor fixed BIOS > >> and skip fixed mtrr sync. > > > > There seem to be several systems affected that do not hide > > RdMem/WrMem bits from OS. > > > > ?(Causing Suspend/resume problem:) > > - Acer Ferrari 1000 > > - Acer Ferrari 5000 > > ?(Causing kernel freeze:) > > - Asus M51TR-AP003C notebook > > - Asus M51Ta notebook > > - Asus M3A-H/HDMI mobo > > they didn't run bios testsuite or bios testsuite miss that checking? Don't know. I'll try to figure that out. Andreas -- Operating | Advanced Micro Devices GmbH System | Karl-Hammerschmidt-Str. 34, 85609 Dornach b. M?nchen, Germany Research | Gesch?ftsf?hrer: Jochen Polster, Thomas M. McCoy, Giuliano Meroni Center | Sitz: Dornach, Gemeinde Aschheim, Landkreis M?nchen (OSRC) | Registergericht M?nchen, HRB Nr. 43632 -- 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/