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Date: Mon, 19 Sep 2005 11:33:21 -0400
From: bob self <bobself@charter.net>
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Subject: Re: What do these warning messages mean (READ_DMA UDMA ICRC error)?
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Lowell Gilbert wrote:

>bob self <bobself@charter.net> writes:
>
>  
>
>>I rearanged my hard drives / dvd burner and am now seeing these
>>messages. The system SEEMS to run ok though.
>>
>>ad0: WARNING - READ_DMA UDMA ICRC error (retrying request) LBA=119267359
>>ad0: WARNING - READ_DMA UDMA ICRC error (retrying request) LBA=119267359
>>ad0: FAILURE - READ_DMA status=51<READY,DSC,ERROR>
>>error=84<ICRC,ABORTED> LBA=119267359
>>g_vfs_done():ad0s1f[READ(offset=44958728192, length=45056)]error = 5
>>vnode_pager_getpages: I/O read error
>>vm_fault: pager read error, pid 808 (firefox-bin)
>>ad0: WARNING - READ_DMA UDMA ICRC error (retrying request) LBA=119267359
>>ad0: WARNING - READ_DMA UDMA ICRC error (retrying request) LBA=119267359
>>ad0: WARNING - READ_DMA UDMA ICRC error (retrying request) LBA=119267519
>>    
>>
>
>If it's the same blocks all the time, you may have coincidentally
>developed a hard disk problem at the same time.  Much more likely,
>though, you've got a problem with the ATA cable for that drive.  Maybe
>it has gotten pinched or bent too sharply?
>
>
>  
>
I re-seated the cables yet again and havent seen the problem since then.