From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756113AbYFBSq5 (ORCPT ); Mon, 2 Jun 2008 14:46:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753444AbYFBSqk (ORCPT ); Mon, 2 Jun 2008 14:46:40 -0400 Received: from web50106.mail.re2.yahoo.com ([206.190.38.34]:27411 "HELO web50106.mail.re2.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1753163AbYFBSqi (ORCPT ); Mon, 2 Jun 2008 14:46:38 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=X-YMail-OSG:Received:Date:From:Subject:To:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-ID; b=xtebVpkDj9gXWE39GoO/4idjxa4n1PJnLN5Elcx1BOgrWcOY/m4xUUOxbuBNJSnovIMZNItCX9n9VLJwMKIhQU88wQZri2+ryGUrNbXi3MQHU2nVD95j4oBvsJf4J4E7boi9s3vfh+1ktRyEokWTF32hf9pRbkMiv1gnxKUlb4k=; X-YMail-OSG: qH36TuwVM1kaUgjsYirxEkjfWru_h5xRnAmfR7DXpU7iaSsI611pMLJzZqQGXAISvmHkHRHa5LcVvq7huAS16Ime4A8aykKMhGUZ3ytFfPIA2V4RRoDdYs4JSQ-- Date: Mon, 2 Jun 2008 11:46:37 -0700 (PDT) From: Doug Thompson Subject: Re: EDAC i5000 MC0: NON-FATAL ERRORS To: Jack Howarth , linux-kernel@vger.kernel.org In-Reply-To: <20080530165550.GA23698@bromo.msbb.uc.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Message-ID: <534708.90379.qm@web50106.mail.re2.yahoo.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --- Jack Howarth wrote: > I am seeing the following errors on a Fedora 7 x86_64 linux box, > running on a Tyan Tempest i5000XL motherboard, after upgrading from > kernel-2.6.25-14.fc9.x86_64 to kernel-2.6.25.3-18.fc9.x86_64... > > May 25 04:30:56 fourier kernel: EDAC i5000 MC0: NON-FATAL ERRORS Found!!! 1st NON-FATAL Err Reg= > 0x10000 > May 25 04:30:56 fourier kernel: EDAC MC0: CE row 1, channel 0, label "": (Branch=0 DRAM-Bank=3 > RDWR=Read RAS=14339 CAS=672, CE Err=0x10000) > > These messages occur about once an hour and are always for the same DRAM-Bank. > I've not been able to find any memory errors when running memtest86 with or > without ECC checking being enabled. Are there any known issues with the > EDAC support in the kernel that might cause false positives like this? > The errors are always marked as non-fatal and are for reads. Also, does > anyone know how this code numbers ram banks? Is the first ram bank considered > 0 or 1 by this code? Thanks in advance for any clarifications. > Jack Yes, it is a known false positive bug. The hardware has some type of error which it calls NON-FATAL, and the driver is TOO verbose in reporting that event. I am working on a patch to quiet that down thanks doug t > -- > 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/ > W1DUG