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

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Message-ID: <4E800D38.8000903@u-club.de>
Date:	Mon, 26 Sep 2011 07:27:20 +0200
From:	Christoph <cr2005@...lub.de>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	Theodore Ts'o <tytso@....edu>, LKML <linux-kernel@...r.kernel.org>,
	xfs@....sgi.com, Christoph Hellwig <hch@...radead.org>,
	Nigel Cunningham <nigel@...onice.net>,
	Pavel Machek <pavel@....cz>, linux-fsdevel@...r.kernel.org,
	Linux PM mailing list <linux-pm@...ts.linux-foundation.org>,
	linux-ext4@...r.kernel.org
Subject: Re: [PATCH] PM / Freezer: Freeze filesystems while freezing processes
 (v2)

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
> 
> _______________________________________________
> xfs mailing list
> xfs@....sgi.com
> http://oss.sgi.com/mailman/listinfo/xfs
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