linux-kernel - Re: Suspned/resume can't work on the 2.6.29-rc1 but it can work well on the 2.6.28

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Message-ID: <4975C95F.7000302@dbservice.com>
Date:	Tue, 20 Jan 2009 13:53:51 +0100
From:	Tomas Carnecky <tom@...ervice.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Zhao Yakui <yakui.zhao@...el.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>, linux-kernel@...r.kernel.org,
	lenb@...nel.org, linux-acpi@...r.kernel.org
Subject: Re: Suspned/resume can't work on the 2.6.29-rc1 but it can work	well
 on the 2.6.28

On 01/20/2009 08:45 AM, Ingo Molnar wrote:
> * Zhao Yakui<yakui.zhao@...el.com>  wrote:
>
>> Hi, All
>>      I do some tests about suspend/resume on my two boxes. One is HP
>> laptop and the other is Asus EEEPC901. The suspend/resume can't work
>> well. Even after core is selected as the test mode, it still can't work
>> well.(echo core>  /sys/power/pm_test)
>>
>>      Then I do the same test by using the 2.6.28 kernel. And
>> suspend/resume can work well.
>>
>>      Of course I will try to use the git-bisect to identify the first bad
>> commit ASAP.
>
> make sure you try this patch from Rafael first (it's not on lkml it
> appears - Rafael, mind resending the patch to this thread?):
>
> Subject: [PATCH] PCI PM: Restore standard config registers of all devices early
>          (was: Re: EeePC resume failure - timers)
>

Would that also fix http://bugzilla.kernel.org/show_bug.cgi?id=12492?

I should add that pm_tests freezer, devices and platform work, but
processors fails (I didn't test core since I suppose that when 
processors fails, core will fail as well).

tom

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