Xen users - Jul 2008 - cpufreq doesn''t work in xen-3.2.1

Hi,

I''ve already installed xen-3.2.1 on my my system.
My systems is a AMD Sempron(tm) Processor 3600+ (model 79), with 256 KB
cache.
It supports three frequency steps in my bare Linux installation
(Gentoo kernel-2.6.19-r5.): 1000 MHz, 1.80 GHz and 2.00 GHz.
I''ve compiled linux-2.6.21-xen with CONFIG_CPU_FREQ=y for dom0 and
added a "cpufreq=xen" in xen''s cmdline to activate this
feature.
But cpufreq still doesn''t work on my machine.
I''ve attached my dom0 config file for your more consideration.
Do you have any ideas how I can address this problem or can anyone point me
in the right direction?

Thank you.

-- 
Vahid



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Vahid Kazempour wrote:
 > I''ve already installed xen-3.2.1 on my my system.
 > My systems is a AMD Sempron(tm) Processor 3600+ (model 79), with 256 KB
 > cache.
 > It supports three frequency steps in my bare Linux installation
 > (Gentoo kernel-2.6.19-r5.): 1000 MHz, 1.80 GHz and 2.00 GHz.
 > I''ve compiled linux-2.6.21-xen with CONFIG_CPU_FREQ=y for dom0
and
 > added a "cpufreq=xen" in xen''s cmdline to activate this
feature.
[...]

I use "cpufreq=dom0-kernel" and let my dom0 control the frequency.
That works
for me.

Birger

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