Re: sata errors with Seagate 1.5TB on AMD 780G/SB700 motherboard

[Ric Wheeler <rwheeler@redhat.com>]

Kasper Sandberg wrote:
> On Wed, 2008-10-29 at 18:37 -0400, Ric Wheeler wrote:
>   
>> Phillip O'Donnell wrote:
>>     
> <snip>
>   
>> I am just going based on what I read at the Seagate customer site - it 
>> looks like the hang was during the processing of the ATA_CACHE_FLUSH_EXT 
>> command.
>>
>> New drives are routinely buggy to some degree, especially ones that jump 
>> up in capacity :-)  Seagate has a well earned reputation for quality and 
>> I will be surprised if they don't fix this issue soon,
>>     
>
> Is there any new information on this? so far the only thing i can find
> seems to be people reporting the issue, but no word from seagate..
>   

I don't actually have one of these drives, so I don't have any updates, 
sorry.

There was a recent patch to correctly calculate sector numbers for these 
disks, but I am not sure that this was the same issue you saw...

ric

>   
>> Ric
>>
>>     
>>>   
>>>       
>>>> I suspect that the drive is simply choking on the barrier related cache
>>>> flushing that we do - that seemed to be the MacOS error as well. The windows
>>>> comment suggested that windows had an hba/driver bug (most likely unrelated
>>>> to this).
>>>>
>>>> If you want to avoid the issue until they fix the drive, you could run fast
>>>> and dangerous (mount without barriers on) or slow and safe (disable the
>>>> write cache).
>>>>     
>>>>         
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>
>