From owner-freebsd-questions Wed Jan 23 19: 2: 4 2002 Delivered-To: freebsd-questions@freebsd.org Received: from smtp-2.enteract.com (smtp-2.enteract.com [207.229.143.4]) by hub.freebsd.org (Postfix) with ESMTP id 4C6D237B402 for ; Wed, 23 Jan 2002 19:02:00 -0800 (PST) Received: from jamestown.21stcentury.net (24-148-18-116.na.21stcentury.net [24.148.18.116]) by smtp-2.enteract.com (Postfix) with ESMTP id 918A3866B; Wed, 23 Jan 2002 21:01:59 -0600 (CST) Received: (from jtm@localhost) by jamestown.21stcentury.net (8.11.6/8.11.3) id g0O31v912338; Wed, 23 Jan 2002 21:01:57 -0600 (CST) (envelope-from jtm63@enteract.com) X-Authentication-Warning: jamestown.21stcentury.net: jtm set sender to jtm63@enteract.com using -f To: freebsd-questions@FreeBSD.ORG Cc: Josh Paetzel , Scott Subject: Re: UDMA ICRC error reading fsbn 21778428 of 7149744-7149745 ? References: <86vgdzrsz0.fsf@jamestown.21stcentury.net> <86vgdzrsz0.fsf@jamestown.21stcentury.net> <5.1.0.14.0.20020121023138.00c33f60@pop-server.nyc.rr.com> From: James McNaughton Date: 23 Jan 2002 21:01:53 -0600 In-Reply-To: <5.1.0.14.0.20020121023138.00c33f60@pop-server.nyc.rr.com> Message-ID: <86y9iowixq.fsf@jamestown.21stcentury.net> Lines: 39 User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.1 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Scott writes: > At 21:45 2002/01/18 +0000, Josh Paetzel wrote: > >On Fri, Jan 18, 2002 at 08:10:27PM -0600, James McNaughton wrote: > > > Is this error: > > > UDMA ICRC error reading fsbn 21778428 of 7149744-7149745 > > > something to worry about? What does it _really_ mean? > > > > > > TIA > > > >What it means is that there was corruption of data on the IDE bus. > >The actual data transfer uses a CRC checksum to detect data > >corruption, and it caught one while doing a transfer on your system. > > If it's also saying something about dropping to PIO mode then... > > I keep thinking this one ought to make the FAQ (if it hasn't already) > as, depending on the phrasing of search words, there's often about > 2,000 hits on deja with it. 9 times out of ten (two machines out of > two in my case) it can be fixed by simply replacing your IDE cable > with shielded 80 pin ATA 100 IDE cable. (Which can be found for > around 3-6 dollars). > > I thought that it was only FreeBSD that was so sensitive to it, but > closer looking at various Linux bootup dmesg showed that it was > affecting Linux as well. > > >HTH > > Scott Robbins > Thanks for the info. It certainly should be on the FAQ since it would ease a lot of minds. My controller is only at UDMA-33 but I think I have a UDMA-66 cable in my spares box. The next time I crack the case I'll replace the cable just for insurance. BTW this error hasn't reappeared. Jim To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message