From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754442Ab0C3HFJ (ORCPT ); Tue, 30 Mar 2010 03:05:09 -0400 Received: from s15228384.onlinehome-server.info ([87.106.30.177]:37340 "EHLO mail.x86-64.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751657Ab0C3HFH (ORCPT ); Tue, 30 Mar 2010 03:05:07 -0400 Date: Tue, 30 Mar 2010 09:05:44 +0200 From: Borislav Petkov To: Justin Piszcz Cc: linux-kernel@vger.kernel.org Subject: Re: EDAC: Is it possible to calculate which piece of memory is bad? Message-ID: <20100330070544.GA19488@aftab> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: Advanced Micro Devices =?iso-8859-1?Q?GmbH?= =?iso-8859-1?Q?=2C_Karl-Hammerschmidt-Str=2E_34=2C_85609_Dornach_bei_M=FC?= =?iso-8859-1?Q?nchen=2C_Gesch=E4ftsf=FChrer=3A_Thomas_M=2E_McCoy=2C_Giuli?= =?iso-8859-1?Q?ano_Meroni=2C_Andrew_Bowd=2C_Sitz=3A_Dornach=2C_Gemeinde_A?= =?iso-8859-1?Q?schheim=2C_Landkreis_M=FCnchen=2C_Registergericht_M=FCnche?= =?iso-8859-1?Q?n=2C?= HRB Nr. 43632 User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Justin Piszcz Date: Mon, Mar 29, 2010 at 09:40:38AM -0400 > Hello, > > I see the following errors: > > EDAC MC0: CE page 0x8abba, offset 0xa10, grain 8, syndrome 0x4758, row 0, channel 0, label "": k8_edac It looks like it is the first DIMM on your mainboard, i.e., whichever gets mapped to channel 0 of the DCT. Sigh, someday we'll have a better mapping, hopefully, ... :| > EDAC MC0: CE - no information available: k8_edac Error Overflow set > EDAC k8 MC0: extended error code: ECC chipkill x4 error > EDAC k8 MC0: general bus error: participating processor(local node origin), time-out(no timeout) memory transaction type(generic read), mem or i/o(mem access), cache level(generic) > > Is it possible to use the page or offset to calculate which DIMM is having a > problem? -- Regards/Gruss, Boris. -- Advanced Micro Devices, Inc. Operating Systems Research Center