Re: Still having problems with sata_promise on all late kernels - shutdown too - BISECTED

[Brad Campbell <brad@wasp.net.au>]

Tejun Heo wrote:
> Brad Campbell wrote:
>> Tejun Heo wrote:
>>> Brad Campbell wrote:
>>>> Brad Campbell wrote:
>>>>
>>>>> http://www.fnarfbargle.com/CIMG1029.JPG (I have posted this screen
>>>>> shot previously. It's still doing exactly the same thing on both
>>>>> boxes).
>>>>>
>>>> git-bisect shows up this commit as the guilty party. I can't just revert
>>>> it on a recent tree though.
>>>> Will investigate further.
>>> Weird.  Does 'hdparm -y /dev/sdX' work?
>> Very interesting indeed..
>>
>> for i in /dev/sd* ; do echo $i ; hdparm -y $i ; done
>>
>> sda-sdh worked fine.. sdi locked the box.
>>
>> So it's dying on the 3rd or 4th controller.
> 
> That's weird.  You seem to have the same controllers and drives.  What
> happens if you spin down from hdi upwards?
> 

Any attempt to spin down sdi-sdo in any order locks hard. Any attempt to spin down sda-sdh works in 
any combination/permutation.

Yes, all controllers and drives are identical.

Brad
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