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Date: Mon, 17 May 2004 13:05:12 -0500
From: Edwin Culp <eculp@encontacto.net>
To: current@freebsd.org
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Subject: Re: ad2: FAILURE - READ_DMA status=51<READY,DSC,ERROR>
	error=84<ICRC,ABORTED> LBA=0
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Quoting Kevin Oberman <oberman@es.net>:

>> Date: Mon, 17 May 2004 12:38:55 -0500
>> From: Edwin Culp <eculp@encontacto.net>
>> Sender: owner-freebsd-current@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.

Thanks, again.

ed