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

From: Pavel Machek
Date: Tue Jun 17 2008 - 06:41:35 EST


Hi!

> > > 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...
> >
> > In novel bugzilla case ignore_ppc=1 helped, so it seems to be BIOS
> > problem, not userland's...
>
> well as long as the user doesn't use this for production use... the
> BIOS often reduces frequencies available to deal with thermal
> situations, so it's not a good idea to ignore that.

Not a good idea, but what's the alternative? It seems like BIOS always
leaves him at 800MHz unless he ignores it.
Pavel
--
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