Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756198Ab0F2VNH (ORCPT ); Tue, 29 Jun 2010 17:13:07 -0400 Received: from mail-vw0-f46.google.com ([209.85.212.46]:38895 "EHLO mail-vw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754702Ab0F2VNE (ORCPT ); Tue, 29 Jun 2010 17:13:04 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=m38JZbUSxdrie9J8X2ITP/+5vaUI7kEt+MtanEaZZQ6z/x+XfNRVyGUde8eLV11siB dQBA8cPCjweo447iGOapp298hrlJBEOvJfSB32IvED7gqVc1viO7zTw0ZIjzGDDFWSJs iOa27Zyby7gN0Z0vsBtxVd8jDLE3GVNfI6T7o= MIME-Version: 1.0 Date: Tue, 29 Jun 2010 15:13:03 -0600 Message-ID: Subject: 2.6.34 Northbridge Chipset Errors on HP Proliant 4 x Opteron in x86_64 mode From: Jeffrey Merkey To: linux-kernel@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1303 Lines: 28 On a 4 x Opteron HP Proliant Server with a CCISS array controller in x86_64 mode, under very heavy (saturated) disk IO, 2.6.34 reports the following error: Jun 29 02:02:08 kernel: Northbridge Error, node 0, core: 0 Jun 29 02:02:08 kernel: ECC/ChipKill ECC error. Jun 29 02:02:08 kernel: EDAC amd64 MC0: CE ERROR_ADDRESS= 0xc7358280 Jun 29 02:02:08 kernel: EDAC amd64: get_channel_from_ecc_syndrome: error reading F3x180. Jun 29 02:02:08 kernel: EDAC MC0: CE page 0xc7358, offset 0x280, grain 0, syndrome 0xa4c1, row 3, channel 0, label "": amd64_edac Jun 29 02:03:21 kernel: Northbridge Error, node 0 Jun 29 02:03:21 kernel: ECC/ChipKill ECC error. Jun 29 02:03:21 kernel: EDAC amd64 MC0: CE ERROR_ADDRESS= 0xc7358280 Jun 29 02:03:21 kernel: EDAC amd64: get_channel_from_ecc_syndrome: error reading F3x180. Jun 29 02:03:21 kernel: EDAC MC0: CE page 0xc7358, offset 0x280, grain 0, syndrome 0xa4c1, row 3, channel 0, label "": amd64_edac The error is reproduceable by subjecting the server to excessive disk loads > 350 MB/S stream to disk. Jeff -- 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/