From owner-freebsd-stable@FreeBSD.ORG Sun Jun 11 07:35:25 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A95DD16A418 for ; Sun, 11 Jun 2006 07:35:25 +0000 (UTC) (envelope-from srw@udor.net) Received: from mail.mad.udor.net (mad.mas.udor.net [64.34.95.190]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5D60843D45 for ; Sun, 11 Jun 2006 07:35:25 +0000 (GMT) (envelope-from srw@udor.net) Received: from [192.168.1.5] (cpe-66-108-115-122.nyc.res.rr.com [66.108.115.122]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.mad.udor.net (Postfix) with ESMTP id 8561D40CA; Sun, 11 Jun 2006 03:35:22 -0400 (EDT) Message-ID: <448BC7C0.1090709@udor.net> Date: Sun, 11 Jun 2006 03:35:28 -0400 From: srwadleigh User-Agent: Thunderbird 1.5.0.4 (X11/20060605) MIME-Version: 1.0 To: Doug White References: <4484A302.8050107@udor.net> <20060609145253.J60598@carver.gumbysoft.com> In-Reply-To: <20060609145253.J60598@carver.gumbysoft.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-stable@freebsd.org Subject: Re: 6.1-RELEASE: WARNING - WRITE_DMA soft error X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 11 Jun 2006 07:35:25 -0000 Doug White wrote: > On Mon, 5 Jun 2006, srwadleigh wrote: > >> I have 6.1-RELEASE installed on a Supermicro SuperServer 6014P-TR >> with Supermicro motherboard: Super X6DHP-TG >> http://supermicro.com/products/motherboard/Xeon800/E7520/X6DHP-TG.cfm >> >> I have four SATA drives attached to the internal backplane which uses >> the following controller, I am Not using the onboard RAID features: >> >> Marvell 88SX6081 4-port SATA Controller with 3rd-Party Adaptec >> AIC-8110(4x drive), RAID 0, 1, JBOD support >> >> The problem I am seeing occurs with the fourth drive, ad10, and appears >> on all read/write operations: >> >> ad10: WARNING - WRITE_DMA48 soft error (ECC corrected) LBA=293046767 >> kernel:ad10: WARNING - WRITE_DMA soft error (ECC corrected) LBA=12393823 >> kernel:ad10: WARNING - READ_DMA soft error (ECC corrected) LBA=12480567 >> >> This same warning message appears on 6.0-RELEASE and 6.1-STABLE > > I have problems with a similar chassis w/ SCSI and bay 3 throwing > spurious errors on a number of systems, so I think its just poor > backplane design on SuperMicro's part. Try getting them to replace > your backplane board. > I am going to RMA the backplane and its composite SATA cable. I'll see if that makes a difference. Obviously not ideal, but how serious do you think these ECC warnings are, data lose, system stability? Thanks