cpufrequtils on xen

[Chris Cohen]

It seems to be a problem with the xen kernel and/or cpufrequtils.
Just booted grml livecd and cpufreq scaling using the ondemand governor 
worked perfect!

What can I do now?

On Friday 16 May 2008 17:46:53 Chris Cohen wrote:
> Hi *,
>
> just installed cpufrequtils on 2.6.24-17-xen on hardy to scale the
> frequency of an amd be-2350.
> I modprobed powernow-k8, cpufreq_ondemand and cpuid.
> But as soon as I load them the frequency goes down to 800MHz and
> doesnt increase under load. Cpufreq-info says the frequency should be
> within 1000 - 2100MHz:
>
> cpufrequtils 002: cpufreq-info (C) Dominik Brodowski 2004-2006
> Report errors and bugs to linux at brodo.de, please.
> analyzing CPU 0:
>   driver: powernow-k8
>   CPUs which need to switch frequency at the same time: 0
>   hardware limits: 1000 MHz - 2.10 GHz
>   available frequency steps: 2.10 GHz, 2.00 GHz, 1.80 GHz, 1000 MHz
>   available cpufreq governors: userspace, ondemand, performance
>   current policy: frequency should be within 1000 MHz and 2.10 GHz.
>                   The governor "ondemand" may decide which speed to
> use within this range.
>   current CPU frequency is 800 MHz.
> analyzing CPU 1:
>   driver: powernow-k8
>   CPUs which need to switch frequency at the same time: 1
>   hardware limits: 1000 MHz - 2.10 GHz
>   available frequency steps: 2.10 GHz, 2.00 GHz, 1.80 GHz, 1000 MHz
>   available cpufreq governors: userspace, ondemand, performance
>   current policy: frequency should be within 1000 MHz and 2.10 GHz.
>                   The governor "ondemand" may decide which speed to
> use within this range.
>   current CPU frequency is 800 MHz.
>
> Whats wrong?
>
> --
> Thanks
> Chris