Re: CPU-Frequency limited to lowest available frequency while under load

["Ferdinand Hübner" <fh@cvmx.org>]

Jarod Wilson wrote:
> I didn't pay much attention to earlier posts in this thread, so pardon
> if this has already been covered, but...
> 
> I had a similar sounding case reported in the Red Hat bugzilla, where a
> Dell laptop wouldn't scale above its minimum frequency if the system was
> running on a travel charger. This turned out to be a limitation imposed
> intentionally by the system BIOS (and documented somewhere on Dell's web
> site). On battery and on the normal charger, the same system had no
> problems whatsoever.
> 
> Just throwing it out there, ignore me if its irrelevant. :)
> 

I gave it a shot and did a BIOS update and played around with the
options in the BIOS.
Now it does scale correctly... I should have tried that earlier, I did
not expect that, because I "only" did a kernel upgrade and did not touch
the BIOS in any way...

Thanks!

Ferdinand