[ltp] T21 cpufreq problems

[Dave Wood]

On (11:00 10/07/08), Michael Karcher <karcher@physik.fu-berlin.de> put forth the proposition:
> Am Donnerstag, den 10.07.2008, 06:57 +0100 schrieb Dave Wood:
> > I've been trying to get ondemand working as a cpu governor.
> It won't.
> 
> >  dmesg shows
> > 
> > ondemand governor failed, too long transition latency of HW, fallback to
> > performance governor
> Because that's the problem. SMI-based frequency switching is something
> that takes a real long time (probably in the msec range), in which no
> work can be done. So it is not useful to switch very often, and thus you
> don't need a kernel-space solution.
> 
> Install powernowd, cpufreqd or something like that instead.

powernowd seems to do the trick. Thanks.

> 
> Regards,
>  Michael Karcher



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