Re: [PATCH] PM / Freezer: Freeze filesystems while freezing processes(v2)

From: Christoph
Date: Mon Sep 26 2011 - 01:27:45 EST



On 26.09.2011 00:10, Rafael J. Wysocki wrote:
> On Sunday, September 25, 2011, Christoph wrote:
>> On 25.09.2011 15:32, Rafael J. Wysocki wrote:
>>> On Sunday, September 25, 2011, Christoph wrote:
>>>> test results of the patch below:
>>>>
>>>> 1. real machine
>>>>
>>>> suspends fine but on wakeup, after loading image: hard reset. nvidia
>>>> gpu => disabled compitz => wakeup worked two times.
>>>
>>> Hmm, so there's a separate bug related to NVidia I guess.
>>
>> Maybe.
>>
>> Just made another test: the machine (macbook) woke up, loaded image, thaw.
>> It got stuck at vt#1, displaying console with login. Cursor blinking, but
>> no (usb) keyboard or network enabled. Bricked?!!
>>
>>
>> On the other hand I've got another box with nvidia gpu:
>>
>> debian5 32bit
>> 2.6.38.2+ #3 SMP Fri Apr 1
>> nvidia 260.19.36
>>
>> It's up since I compiled the kernel: I use it twice a week and I kept it
>> freezed all the time. It was solid rock until today: hard reset on resume.
>> WTF? (I remember this version combo was stable on the macbook but the
>> kernel lacks a solid wireless driver).
>
> If that's an x86_64 system, there is a known bug causing problems like
> this to happen. There's a patch fixing it, but not conclusive:
> http://marc.info/?l=linux-kernel&m=131653513414314&w=2

very good. seems to fix resume, at least the 2 times I tested so far.

tx! :)

chris


>
> Thanks,
> Rafael
>
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