linux-kernel - Re: CPU speed after hibernation

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Message-Id: <1192203050.15112.1.camel@h1.unixindia.com>
Date:	Fri, 12 Oct 2007 21:00:50 +0530
From:	Bhasker C V <bhasker@...xindia.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: CPU speed after hibernation

Hi all,

 False alarm. 
 The cpu frequency works. But it takes a long time before it 
 brings down the cpu speed. Initialy (atleast for 3-4 minutes) the 
 CPU is kept at its high speed threshold and later the cpu throttling 
 happens.

On Fri, 2007-10-12 at 14:07 +0200, Rafael J. Wysocki wrote:
> On Friday, 12 October 2007 08:41, Bhasker C V wrote:
> > Hi all,
> > 
> >  I have enable suspend-to-disk on myetch system K 2.6.21.1
> >  I have enabled acpi cpu frequency scaling and using "convservative"
> > governer.
> > 
> >  When I boot the system, the cpu frequency works switches fine based on
> > the requirement. But when i go to hibernation and come back from
> > hibernation, the cpu frequency gets stuck at the maximum. 
> > 
> >  I have already written to debian-users list but did not get any reply
> > (with the same subject line). 
> >  Is this a known issue ?
> >  If i try to remove and re-insert the cpufreq_conservative module, the
> > whole system hangs.
> 
> Please try 2.6.23.  If the problem is still there, please file a bug at
> http://bugzilla.kernel.org, under "Power Management"->Hibernation/Suspend.
> 
> Greetings,
> Rafael
-- 
Bhasker C V
Registered Linux user: #306349 (counter.li.org)
The box said "Requires Windows 95, NT, or better", so I installed Linux.

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