Re: ad2: FAILURE - READ_DMA status=51<READY,DSC,ERROR> error=84<ICRC,ABORTED> LBA=0

> Date: Mon, 17 May 2004 13:05:12 -0500
> From: Edwin Culp <eculp_at_encontacto.net>
> Sender: owner-freebsd-current_at_freebsd.org
> 
> Quoting Kevin Oberman <oberman_at_es.net>:
> 
> >> Date: Mon, 17 May 2004 12:38:55 -0500
> >> From: Edwin Culp <eculp_at_encontacto.net>
> >> Sender: owner-freebsd-current_at_freebsd.org
> >>
> >> I'm running current as of yesterday.  I connected an older
> >> current disk [probably 6 months] that has some important
> >> information.  I thought that it would be trivial to mount it and
> >> copy the info to my current disk.  I tried and am getting:
> >>
> >> ad2: 29311MB <Maxtor 53073U6> [59554/16/63] at ata1-master UDMA66
> >> ad2: WARNING - READ_DMA UDMA ICRC error (retrying request) LBA=0
> >> ad2: WARNING - READ_DMA UDMA ICRC error (retrying request) LBA=0
> >> ad2: FAILURE - READ_DMA status=51<READY,DSC,ERROR>
> >> error=84<ICRC,ABORTED> LBA=0
> >> ad2: WARNING - READ_DMA UDMA ICRC error (retrying request) LBA=0
> >> ad2: WARNING - READ_DMA UDMA ICRC error (retrying request) LBA=0
> >> ad2: FAILURE - READ_DMA status=51<READY,DSC,ERROR>
> >> error=84<ICRC,ABORTED> LBA=0
> >>
> >> Could this be caused by changes in current, a configuration issue
> >> that I'm missing or is it a probable hardware failure?
> >
> > Probably not a useful suggestion, but is the disk jumpered as MASTER? 'ad2'
> > is normally the master of the second IDE bus.
> 
> Thanks, Kevin.  Yes it is jumpered as master.  I'm assuming that
> it should be done that way.   Maybe I should take the jumper off
> and see what happens.  I assume it would come up as ad3.

If it came up at all, it would be ad3, but I don't think having a slave
on an IDE buss with no master is allowed by the standard or supported by
FreeBSD. (Yes, I know that it works on Windows.)

It was a long shot, but I figured it would not hurt to mention it. Sorry.
-- 
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman_at_es.net			Phone: +1 510 486-8634