Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756777AbYHGULt (ORCPT ); Thu, 7 Aug 2008 16:11:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752911AbYHGULj (ORCPT ); Thu, 7 Aug 2008 16:11:39 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:36411 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753006AbYHGULj (ORCPT ); Thu, 7 Aug 2008 16:11:39 -0400 From: "Rafael J. Wysocki" To: Alexander Huemer Subject: Re: 2.6.27-rc1 mtrr fixes do not work Date: Thu, 7 Aug 2008 22:14:28 +0200 User-Agent: KMail/1.9.6 (enterprise 20070904.708012) Cc: linux-kernel@vger.kernel.org, Andi Kleen , Venki Pallipadi References: <4899AF8E.20105@sbg.ac.at> In-Reply-To: <4899AF8E.20105@sbg.ac.at> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200808072214.28922.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3538 Lines: 77 [Adding CCs.] On Wednesday, 6 of August 2008, Alexander Huemer wrote: > hi, > > mtrr is wrong on my machine. the fixes of 2.6.27-rc1 do not seem to work. > bios is the newest version, mainboard vendor says it's not their fault. > mainboard is tyan i5000pw. > please tell me how i can help and cc me on answers, i am not subscribed. > > here is some data: > > seaburg ~ # grep -E "(^\(WW\)|^\(EE\)|^\(NI\)|^\(??\))" /var/log/Xorg.0.log > (WW) VESA(0): Failed to set up write-combining range (0xd8000000,0x2000000) > seaburg ~ # dmesg|grep mtrr > Command line: root=/dev/sda1 video=uvesafb:1280x1024-24@97,mtrr:3,ywrap > mtrr_gran_size=64m mtrr_chunk_size=1024m > Kernel command line: root=/dev/sda1 > video=uvesafb:1280x1024-24@97,mtrr:3,ywrap mtrr_gran_size=64m > mtrr_chunk_size=1024m > mtrr: type mismatch for d8000000,800000 old: write-back new: write-combining > mtrr: type mismatch for d8000000,400000 old: write-back new: write-combining > mtrr: type mismatch for d8000000,200000 old: write-back new: write-combining > mtrr: type mismatch for d8000000,100000 old: write-back new: write-combining > mtrr: type mismatch for d8000000,80000 old: write-back new: write-combining > mtrr: type mismatch for d8000000,40000 old: write-back new: write-combining > mtrr: type mismatch for d8000000,20000 old: write-back new: write-combining > mtrr: type mismatch for d8000000,10000 old: write-back new: write-combining > mtrr: type mismatch for d8000000,8000 old: write-back new: write-combining > mtrr: type mismatch for d8000000,4000 old: write-back new: write-combining > mtrr: type mismatch for d8000000,2000 old: write-back new: write-combining > mtrr: type mismatch for d8000000,1000 old: write-back new: write-combining > mtrr: type mismatch for d8000000,2000000 old: write-back new: > write-combining > seaburg ~ # cat /proc/mtrr > reg00: base=0x00000000 ( 0MB), size=198656MB: write-back, count=1 > reg01: base=0x80000000 (2048MB), size=197632MB: write-back, count=1 > reg02: base=0x100000000 (4096MB), size=197632MB: write-back, count=1 > seaburg ~ # grep MemTotal /proc/meminfo > MemTotal: 4041308 kB > seaburg ~ # lspci -v | grep -A10 VGA > 20:05.0 VGA compatible controller: XGI Technology Inc. (eXtreme Graphics > Innovation) Volari Z7 (prog-if 00 [VGA controller]) > Subsystem: XGI Technology Inc. (eXtreme Graphics Innovation) > Volari Z7 > Flags: 66MHz, medium devsel > BIST result: 00 > Memory at d8000000 (32-bit, prefetchable) [size=64M] > Memory at dc300000 (32-bit, non-prefetchable) [size=256K] > I/O ports at 3000 [size=128] > Capabilities: [40] Power Management version 2 > > seaburg ~ # zcat /proc/config.gz | grep MTRR > CONFIG_MTRR=y > CONFIG_MTRR_SANITIZER=y > CONFIG_MTRR_SANITIZER_ENABLE_DEFAULT=1 > CONFIG_MTRR_SANITIZER_SPARE_REG_NR_DEFAULT=1 > seaburg ~ # uname -a > Linux seaburg 2.6.27-rc1-blackbit #3 SMP Wed Aug 6 00:34:51 CEST 2008 > x86_64 Intel(R) Xeon(R) CPU E5420 @ 2.50GHz GenuineIntel GNU/Linux > seaburg ~ # > > > -- > 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/ > > -- 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/