Date: 23 Jan 2002 21:01:53 -0600 From: James McNaughton <jtm63@enteract.com> To: freebsd-questions@FreeBSD.ORG Cc: Josh Paetzel <friar_josh@webwarrior.net>, Scott <scottro@nyc.rr.com> Subject: Re: UDMA ICRC error reading fsbn 21778428 of 7149744-7149745 ? Message-ID: <86y9iowixq.fsf@jamestown.21stcentury.net> In-Reply-To: <5.1.0.14.0.20020121023138.00c33f60@pop-server.nyc.rr.com> References: <86vgdzrsz0.fsf@jamestown.21stcentury.net> <86vgdzrsz0.fsf@jamestown.21stcentury.net> <5.1.0.14.0.20020121023138.00c33f60@pop-server.nyc.rr.com>
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Scott <scottro@nyc.rr.com> 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
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