Re: [gpm] how to disable cpu frequency scaling?

["Brian Hinz" <bphinz hotmail com>]

Hi Richard,

Confirmed. Setting those keys in gconf with the new code works just fine. 
Running much cooler now!

Thanks,
-brian

> From: Richard Hughes <hughsient gmail com>
> To: Brian Hinz <bphinz hotmail com>
> CC: gnome-power-manager-list gnome org
> Subject: Re: [gpm] how to disable cpu frequency scaling?
> Date: Mon, 01 Jan 2007 22:14:01 +0000
>
> On Mon, 2007-01-01 at 16:34 -0500, Brian Hinz wrote:
> > Hi,
> >
> > I was wondering if someone could tell me how to disable the cpu 
> frequency
> > scaling component of the gnome power manager?  I have a fanless, 
> transmeta
> > efficeon based laptop, and the GPM scaling behavior (max'd out whenever 
> on
> > AC) causes it run *way* too hot (caught it idling at 70C the other 
> day!!!!).
> >   Even under battery conditions, it runs about 8-10degC hotter than w/o 
> GPM.
> >   I'd like to have a "don't touch" policy on the cpu, (as gpm seems to
> > totally override any longrun/sysfs settings) but otherwise retain all 
> the
> > other features of GPM.
>
> Sure, apologies. The newest g-p-m in CVS now defaults to ondemand for
> both AC and battery, so that part of the problem is solved.
>
> If you really want to disable the cpufreq stuff, I think you can just
> change /apps/gnome-power-manager/cpufreq_ac_policy
> and /apps/gnome-power-manager/cpufreq_battery_policy to "nothing" and
> then g-p-m should ignore the setting. This is untested, so please tell
> me if this works okay.
>
> > Big kudos otherwise.  I've just switched from gentoo/fluxbox to gnome 
> under
> > ubuntu and was *stunned* by the fact that suspend to ram worked without
> > having to apply the suspend2 patches - actually it seems to work better 
> in
> > fact!
>
> Cool, thanks. Stuff like video resuming should also get a bit better
> when pm-utils is used by the big distros, and we are working on that
> now. Expect more coolness. :-)
>
> Richard.