WRITE_DMA48 error causing loss of ZFS array

Ender ender at enderzone.com
Tue Oct 30 15:06:49 PDT 2007


Mark Powell wrote:
> On Mon, 29 Oct 2007, Jeremy Chadwick wrote:
>
>> On Mon, Oct 29, 2007 at 09:59:11AM +0000, Mark Powell wrote:
>>>   I've experienced several dma errors over the past few months with 
>>> various
>>> incarnations of 7.0 which were all fixed.
>>
>> This could be relevant:
>>
>> http://kerneltrap.org/mailarchive/freebsd-current/2007/10/2/326931
>
> Yes, thanks. Last time I mentioned this, des at des.no also said then it 
> was a well known ATA bug, for which I should look in the archives. 
> However, as I said, it's hard to pinpoint from searching the -current 
> archives, quite which bug he is talking about.
>   Does anyone have a link to a post which goes into greater detail 
> about this problem?
>   I'd like to post a PR regarding this, but would like to read these 
> previous posts to get a little more info.
>   Cheers.
>
Maybe one of these is related?

http://www.freebsd.org/cgi/query-pr.cgi?pr=117656

Also if this is a well known (s)ata bug, should it maybe be added to 
UPDATING or some sort of documentation? Maybe 
http://www.freebsd.org/releases/7.0R/todo.html ?


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