Re: [PATCHSET #upstream-fixes] git tree available

[Tejun Heo <htejun@gmail.com>]

Tejun Heo wrote:
> Brian & Chamaigne Scamman wrote:
>> Tejun Heo wrote:
>>> Can you please put ssleep(5) right after the first ata_do_reset()
>>> call in drivers/ata/libata-eh.c::ata_eh_reset() and see whether the
>>> problem goes away?
>>
>> This actually caused more problems. The "failed to IDENTIFY (I/O error,
>> err_mask=0x11)" was still printed, plus there was a 5 second delay for
>> each
>> port on the PMP during each of the 3 attempts to read the drive. In
>> the end,
>> neither of the two SSD drives I tried ended up working. Changing
>> ssleep(5)
>> to msleep(5) didn't remove the IDENTIFY errors, but still allowed the
>> drives
>> to work.
>>
>> Is there anyway to control the length of the reset pulse? I've heard that
>> some of the SSD's require the reset pulse to be held longer than normal.
> 
> For sata_sil24, it's determined by the controller.  Hmmm... Please wait
> a bit, I have another thing to try.

Which didn't work out too well.  :-(

I'm sorry but I'm out of ideas.  I'm gonna ask SIMG about it.  Do you
mind being cc'd there?

Thanks.

-- 
tejun