Re: [PATCH] SATA / AHCI: Do not play with the link PM during suspendto RAM

From: Tejun Heo
Date: Tue Aug 17 2010 - 04:12:11 EST


Hello,

On 08/17/2010 09:51 AM, Stephan Diestelhorst wrote:
> On Thursday 05 August 2010 18:08:02 Tejun Heo wrote:
>> Can you please try the following patch and see whether the problem
>> goes away?
>
> I've finally managed to get this to compile and test. (Hit a bug with
> Debian's make-kpkg and other nuisances...)
>
> The problem is still there. On some resumes I get the dreadful dead
> disk again:
>
> end_request: I/O error , dev sda sector ...
> sd 0:0:0:0: [sda] Unhandled error code
> sd 0:0:0:0: [sda] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
> sd 0:0:0:0: [sda] CDB: Read(10): 28 00 0e a4 77 a8 0 00 08 00
> (many of those)
>
> Can't access /var/log/messages right now, due to broken I/O. Will try
> to trigger it again and check for the qc timeout messages..

Yeah, it would great to have the log. So, it seems like the hardware
is actually buggy then. :-(

Thanks.

--
tejun
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