Paul Collins wrote:
> Tejun Heo <htejun@gmail.com> writes:
> 
>> Can you please do the followings?
>>
>> 1. With the previous patch applied, do cold reboot.  Power off the
>> machine.  If possible turn off the master switch on the power
>> supply. What ten secs.  Boot and see if anything is different.
> 
> No difference observed.
> 
>> 2. If that doesn't make any difference, with the previous patch backed
>> out (patch -R -p1) and the new patch attached here applied, do cold
>> boot and post the log.

Thanks for testing.

> ata2: XXX about to resume
> ata2: SATA link down (SStatus 611 SControl 0)

The link is already in slumber mode before the driver doing anything to 
it.  Is there any related setting in BIOS?

Also, can you please give a shot at the attached patch?

-- 
tejun