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Re: CPU frequency scaling on AMD64 laptop

You might have a BIOS bug that you can solve with a BIOS update.

Other than that, I think you are going to have to troubleshoot the ACPI
code in the kernel.

On Wed, 2005-02-16 at 21:23 +0100, Lukáš Oliva wrote:
> Hi,
> Thanks for useful advices, it was enough to remove cpufreq and start to
> use powernowd. The problem was in my ACPI, that does not work properly
> yet, but powernowd knows how to cope with it. It just needs powernow-k8
> module loaded. CPU scaling is running, the only little thing is that it
> can tune frequency just between 800 and 2200, so the ventilator is still
> running (maybe Linux works more han Windows that are able to go lower).
>   Do you think that there could be any possibility to make my ACPI
> working. I don't know what to do precisely. I turned on ACPI debugging
> in kernel, but I don't know how to understand it.
>   Thanks 
>   Lukáš Oliva

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