From owner-freebsd-current@FreeBSD.ORG Tue Jun 3 14:51:08 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C11B437B401 for ; Tue, 3 Jun 2003 14:51:08 -0700 (PDT) Received: from srv1.cosmo-project.de (srv1.cosmo-project.de [213.83.6.106]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2E8BD43F93 for ; Tue, 3 Jun 2003 14:51:07 -0700 (PDT) (envelope-from andreas@klemm.apsfilter.org) Received: from srv1.cosmo-project.de (localhost [IPv6:::1]) by srv1.cosmo-project.de (8.12.9/8.12.9) with ESMTP id h53Lp0rN003286 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NO); Tue, 3 Jun 2003 23:51:00 +0200 (CEST) (envelope-from andreas@klemm.apsfilter.org) Received: (from uucp@localhost)h53Lp0F8003285; Tue, 3 Jun 2003 23:51:00 +0200 (CEST) (envelope-from andreas@klemm.apsfilter.org) Received: from titan.klemm.apsfilter.org (localhost.klemm.apsfilter.org [127.0.0.1]) by klemm.apsfilter.org (8.12.9/8.12.9) with ESMTP id h536UKeJ005361; Tue, 3 Jun 2003 08:30:25 +0200 (CEST) (envelope-from andreas@titan.klemm.apsfilter.org) Received: (from andreas@localhost) by titan.klemm.apsfilter.org (8.12.9/8.12.9/Submit) id h536UFZK005360; Tue, 3 Jun 2003 08:30:15 +0200 (CEST) Date: Tue, 3 Jun 2003 08:30:15 +0200 From: Andreas Klemm To: Dan Nelson Message-ID: <20030603063015.GA5311@titan.klemm.apsfilter.org> References: <20030603055718.GA4763@titan.klemm.apsfilter.org> <20030603062335.GA8702@dan.emsphone.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: <20030603062335.GA8702@dan.emsphone.com> X-Operating-System: FreeBSD 5.1-RC X-Disclaimer: A free society is one where it is safe to be unpopular User-Agent: Mutt/1.5.4i cc: current@freebsd.org Subject: Re: whats an UDMA ICRC error ? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Jun 2003 21:51:09 -0000 On Tue, Jun 03, 2003 at 01:23:35AM -0500, Dan Nelson wrote: > In the last episode (Jun 03), Andreas Klemm said: > > Hi, > >=20 > > my console today shows the following error message from my disk: > >=20 > > ad2: UDMA ICRC error cmd=3Dread fsbn 74689079 of 74689079-74689206 retr= ying > > ad2: UDMA ICRC error cmd=3Dread fsbn 74689079 of 74689079-74689206 retr= ying > >=20 > > What exactly does an UDMA ICRC error mean ? > > I think this is simply a read error. > > AFAIK an IDE disk doesn't have spare sectors or am I wrong ? > > How severe is this error ? What do you think ?? >=20 > An ICRC error is an error detected by the IDE controller. It usually > means a cabling problem, as a disk error would be reported by the > drive, not the controller. From the ATA spec: >=20 > ICRC shall be set to one if an interface CRC error has occurred > during an Ultra DMA data transfer. The content of this bit is not > applicable for Multiword DMA transfers. >=20 > There are other error bits that indicate uncorrectable media errors. ^^^^^^^^^^^^^^^^^^^^^^^^^^ Does this mean, that data corruption occurred ?? Strange. Didn't touch the hardware since months... One idea, the cables have been very short and have been a little bit under tension after installation. Maybe this is the result now, that I have problems with the cables or contacts .... Thanks for the info, will check cabling. Andreas /// --=20 Andreas Klemm - Powered by FreeBSD 4.8-STABLE Need a magic printfilter today ? -> http://www.apsfilter.org/