Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965199AbZLQTDp (ORCPT ); Thu, 17 Dec 2009 14:03:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756544AbZLQTDl (ORCPT ); Thu, 17 Dec 2009 14:03:41 -0500 Received: from mail.fem.tu-ilmenau.de ([141.24.101.79]:37158 "EHLO mail.fem.tu-ilmenau.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754312AbZLQTDk (ORCPT ); Thu, 17 Dec 2009 14:03:40 -0500 From: Johannes Hirte To: Borislav Petkov Subject: Re: radeon KMS causes GART Table Walk Errors (was: K8 ECC error with linux-2.6.32) Date: Thu, 17 Dec 2009 20:03:29 +0100 User-Agent: KMail/1.12.4 (Linux/2.6.32; KDE/4.3.4; x86_64; ; ) Cc: linux-kernel@vger.kernel.org References: <200912112202.48173.johannes.hirte@fem.tu-ilmenau.de> <200912170407.04568.johannes.hirte@fem.tu-ilmenau.de> <20091217072232.GB4293@aftab> In-Reply-To: <20091217072232.GB4293@aftab> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200912172003.30023.johannes.hirte@fem.tu-ilmenau.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3720 Lines: 108 Am Donnerstag 17 Dezember 2009 08:22:32 schrieb Borislav Petkov: > On Thu, Dec 17, 2009 at 04:07:04AM +0100, Johannes Hirte wrote: > > > > Disabling in BIOS doesn't made any difference. The errors were still > > > > reported. > > > > > > Hmm. It would be interesting to know what the BIOS does exactly > > > on your machine. We could easily find that out by installing the > > > x86info tool (either prepackaged for your distro or from here: > > > git://git.choralone.org/git/x86info) and doing as root: > > > > > > lsmsr MC4 -V3 > > > > > > and sending me the output. Make sure the amd64_edac module is not > > > loaded. > > > > datengrab ~ # lsmsr MC4 -V3 > > MC4_CTL = 0x0000000000003bff > > CorrEccEn=0x1 > > UnCorrEccEn=0x1 > > CrcErr0En=0x1 > > CrcErr1En=0x1 > > CrcErr2En=0x1 > > SyncPkt0En=0x1 > > SyncPkt1En=0x1 > > SyncPkt2En=0x1 > > MstrAbrtEn=0x1 > > TgtAbrtEn=0x1 > > GartTblWkEn=0 > > Was the BIOS setting about GART table walk errors reporting enabled or > disabled? Because if it were enabled and according to the above output, > your BIOS doesn't seem to do the workaround described in the BKDG. If it > were disabled, you'd have to enable it and do the "lsmsr MC4 -V3" again. > > Thanks. GART Error Reporting was disabled. Here is the output after enabling it: datengrab ~ # lsmsr MC4 -V3 MC4_CTL = 0x0000000000003bff CorrEccEn=0x1 UnCorrEccEn=0x1 CrcErr0En=0x1 CrcErr1En=0x1 CrcErr2En=0x1 SyncPkt0En=0x1 SyncPkt1En=0x1 SyncPkt2En=0x1 MstrAbrtEn=0x1 TgtAbrtEn=0x1 GartTblWkEn=0 AtomicRMWEn=0x1 WchDogTmrEn=0x1 DramParEn=0 MC4_STATUS = 0x0000000000000000 ErrorCode=0 ErrorCodeExt=0 Syndrome=0 ErrCpu0=0 ErrCpu1=0 LDTLink=0 ErrScrub=0 DramChannel=0 UnCorrECC=0 CorrECC=0 ECC_Synd=0 PCC=0 ErrAddrVal=0 ErrMiscVal=0 ErrEn=0 ErrUnCorr=0 ErrOver=0 ErrValid=0 MC4_ADDR = 0x0000000090063a20 ADDR=0x1200c744 MC4_MISC = 0x0000000000000000 ErrCount=0 Ovrflw=0 IntType=0 CntEn=0 LvtOff=0 Locked=0 CtrP=0 Val=0 MC4_CTL_MASK = 0x0000000000000000 CorrEccEn=0 UnCorrEccEn=0 CrcErr0En=0 CrcErr1En=0 CrcErr2En=0 SyncPkt0En=0 SyncPkt1En=0 SyncPkt2En=0 MstrAbrtEn=0 TgtAbrtEn=0 GartTblWkEn=0 AtomicRMWEn=0 WchDogTmrEn=0 DramParEn=0 regards, Johannes -- 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/