On Tue, Jun 03, 2003 at 01:23:35AM -0500, Dan Nelson wrote: > In the last episode (Jun 03), Andreas Klemm said: > > Hi, > > > > my console today shows the following error message from my disk: > > > > ad2: UDMA ICRC error cmd=read fsbn 74689079 of 74689079-74689206 retrying > > ad2: UDMA ICRC error cmd=read fsbn 74689079 of 74689079-74689206 retrying > > > > 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 ?? > > 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: > > 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. > > 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 /// -- Andreas Klemm - Powered by FreeBSD 4.8-STABLE Need a magic printfilter today ? -> http://www.apsfilter.org/Received on Tue Jun 03 2003 - 12:51:08 UTC
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