UDMA ICRC error

[Ramiro Aceves]

Rob wrote:
> --- Ramiro Aceves <ea1abz at wanadoo.es> wrote:
> 
> 
>>Rob wrote:
>>
>>>Ramiro Aceves wrote:
>>>
>>>
>>>>I have read that others had this problem before. I
>>>>just write this report for you to know.
>>>>
>>>>When I installed FreeBSD 5.3 R, I get some errors
>>>>like this, but I could end the install:
>>>>
>>>>ad0: WARNING -READ_DMA UDMA ICRC error (retrying 
>>>>       request) LBA=5313599
>>>>ad0: FAILURE -READ_DMA status=51<READY,DSC,ERROR>
>>>>       error=84 >ICRC,ABORTED>
>>>>spec_getpages:(ad0s1a) I/O read failure: (error=5)
>>>>................
>>>>
>>>>I have solved the problem disabling DMA:
>>>>hw.ata.ata_dma="0"
>>>>
>>>
>>>It's indeed a serious problem, but too few people
>>>running 5.3 seem to suffer from this.
>>>
>>>Have you tried with 4.11?
>>>I bet that would not generate these problems.
>>>
>>
>>Thanks, I see that we are not alone!
>>
>>I have not got a 4.11 CDROM here. I could test it on
>>4.10 if you think 
>>it is important, I have a 4.10 CDROM here. My
>>internet is too slow to 
>>dowload a full CDROM at home. I can download 4.11
>>install CDROM on the 
>>computers at University if it worths the effort.
> 
> 
> No, no need for that. It's already confirmed that
> 4.X does not have this problem.
> 
> However, recently there's a 'ATA mkIII' patch around,
> which seems to also solve this problem. Follow the
> discussion on -stable mailinglist for further
> details.
> I'm not yet sure whether you have to upgrade first
> to "5-STABLE" before applying this patch.
> 
> Rob.
> 

Thanks Rob!

> 
> 		
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