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SubjectRe: libata and pm
Prakash K. Cheemplavam wrote:
> Jeff Garzik wrote:
>
>> Prakash K. Cheemplavam wrote:
>>
>>> Hi,
>>>
>>> I wonder whether libata can easily be made compatible with swsup or
>>> pmdisk.
>>>
>>> Currently my tries stop with the message:
>>>
>>> PM: Preparing system for suspend
>>> Stopping tasks:
>>> =================================================exiting...========
>>> stopping tasks failed (1 tasks remaining)
>>> Restarting tasks...<6> Strange, katad-1 not stopped
>>> done
>>>
>>>
>>> I think that katad belongs to libata.
>>
>>
>>
>> I'm curious if this [completely untested] patch works? :)
>
>
> Well, it works as it should -I guess-,ie. swsusp proceeds, but (as
> expected) after all it doesn't work with scsi and swsusp gives a kernel
> panic. But that is another matter. ;-)
>
> Nevertheless I got following wanrings on compile (second one was already
> there):
>
> drivers/scsi/libata-core.c: In function `ata_thread':
> drivers/scsi/libata-core.c:2571: Warnung: implicit declaration of
> function `refrigerator'
> drivers/scsi/libata-core.c: At top level:
> drivers/scsi/libata-core.c:2141: Warnung: `ata_qc_push' defined but not
> used
>
> (Furthermore the patch didn't want to apply, so I had to do it by hand.)


Duh, I'm silly... you need #include <linux/suspend.h> at the top of that
file, too. I'm amazed swsusp proceeds at all :)

Jeff



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