linux-kernel - Re: cpuset trouble after hibernate

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Message-ID: <20070909111856.GA4610@ucw.cz>
Date:	Sun, 9 Sep 2007 11:18:56 +0000
From:	Pavel Machek <pavel@....cz>
To:	Nicolas Capit <nicolas.capit@...g.fr>
Cc:	linux-kernel@...r.kernel.org, pj@....com,
	Simon Derr <Simon.Derr@...l.net>
Subject: Re: cpuset trouble after hibernate

Hi!

> This is my situation:
>   - I mounted the pseudo cpuset filesystem into /dev/cpuset
>   - I created a cpuset named oar with my 2 cpus
> 
> cat /dev/cpuset/oar/cpus 
> 0-1
> 
>   - Then I hibernate my computer with 'echo -n "disk" >/sys/power/state'
>   - After reboot:
> 
> cat /dev/cpuset/oar/cpus 
> 0
> 
> Why did I lost a cpu?
> Is this a normal behavior???

One of the cpus was unplugged during suspend... perhaps some
save/restore is needed during hotplug/unplug?

							Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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