Re: bug? acpi p-state + ondemand keeps dropping max freq

[Arjan van de Ven]

On Sat, 7 Jun 2008 23:39:18 +0200
Pavel Machek <pavel@xxxxxxx> wrote:

> > # echo 1866000 > scaling_max_freq ; cat scaling_max_freq
> > 800000
> > # echo 1866000 > scaling_max_freq ; cat scaling_max_freq
> > 800000
> > 
> > 
> > This renders my Dothan to utterly poor speeds. (standard T43)
> > 
> > performance cpufreq governor makes no difference - I still can't
> > change the frequency upper/lower values.
> 
> Hmm, I have similar problem in Novell bugzilla, on very different hw:
> 
> https://bugzilla.novell.com/show_bug.cgi?id=396311
> 
> 								Pavel
> 


are either of you running gnome-power-manager or kpowersaved ?
sometimes these programs (and more likely, the patches added by a
distro maintainer who doesn't fully realize how power works) tend to
muck with kernel settings around CPU frequency that they have
absolutely no business touching...


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