Re: FW: LIBATA issue with SATA drive

[Tejun Heo <htejun@gmail.com>]

Jeff Garzik wrote:
> Tejun Heo wrote:
>> Hello,
>>
>> Torsten Kaiser wrote:
>>>> The symptom seems very similar to yours but the kernel is 2.6.22 which
>>>> doesn't have the SG change which you found out to be broken.  Can you
>>>> update us on how the testing of patched kernel went?
>>>
>>> Sorry I didn't realize that you where still waiting for a 'confirm
>>> good'. I intended only to mail, if I got the error again, as the debug
>>> output about SGE_TRM confirmed, that this fix changes the behavior of
>>> sata_sil24 and there was no really 200% sure method of detecting that
>>> this bug was gone.
>>>
>>> Anyway, after fixing ata_sg_is_last() by adding the +1 I did not had a
>>> single failure.
>>>
>>> I'm currently using 2.6.23-mm1 and 16 boots where all good.
>>> (Apart from the unrelated failure with sata_nv and swncq...)
>>
>> I see, a different issue then.  It's just weird to see similar issues 
>> popping up now after allterm the time sata_sil24 has been around.
> 
> What kernel version are we talking about?  If it includes sg-chaining 
> via a git tree somewhere, sata_sil24 has a bug that was just fixed (by 
> removing ata_sg_is_last).

Yeah, that was what I thought and the reason why I cc'd Torsten but the 
kernel version in question here is 2.6.22.  :-(

-- 
tejun