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From: Nigel Cunningham <ncunningham@clear.net.nz>
To: rob@landley.net
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Pavel Machek <pavel@ucw.cz>
Subject: Re: Software suspend in 2.6.0
Date: Wed, 31 Dec 2003 07:20:36 +1300	[thread overview]
Message-ID: <1072808436.2741.34.camel@laptop-linux> (raw)
In-Reply-To: <200312300000.05201.rob@landley.net>

Hi Rob.

Do you have a preemptive kernel? If so, it could be that you're getting
'bad scheduling while atomic' messages. Could you check dmesg after the
second suspend?

Regards,

Nigel

On Tue, 2003-12-30 at 19:00, Rob Landley wrote:
> Since Patrick fell off the face of the earth, I've switched to Pavel's suspend 
> code, which pretty much works the same way, but has some similar rough edges.
> 
> The first suspend works nicely.  After resuming from that and suspending 
> again, the screen gets blanked early in the suspend (immediately after 
> "suspending processes", and then the suspend is REALLY SLOW.  (You can see 
> the hard drive light light up and go off again with a 1/2 second gap between 
> each page saved.)
> 
> I think that what's happening is that during the "power stuff down" phase, the 
> device list is including the screen and processor and powering them down.  
> The processor goes into an insanely slow state, and the display is black.  
> (The suspend will usually complete normally when this happens, if you give it 
> 10 minutes.)
> 
> It doesn't do this on the first suspend, but it does it on second and later 
> suspends.
> 
> Any suggestions?
> 
> Rob
> 
> -
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-- 
My work on Software Suspend is graciously brought to you by
LinuxFund.org.


  reply	other threads:[~2003-12-30 18:22 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-12-30  6:00 Software suspend in 2.6.0 Rob Landley
2003-12-30 18:20 ` Nigel Cunningham [this message]
2003-12-30 22:09   ` Rob Landley
2003-12-30 22:10   ` Rob Landley

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