[Xen-users] Xen 3.2 on CentOS calculates AMD cpu frequency incorrect

[Kai Schaetzl <maillists@xxxxxxxxxxxxx>]

I noticed that booting up with the 3.2 Xen hypervisor on CentOS 5.2 shows 
incorrect cpu frequencies for AMD CPUs. It shows them at 800 MHz, no 
matter which CPU, although running at full speed. The result of this is 
that cpu frequency scaling does not work as the cpufreq module tries to 
adjust to frequencies much higher, although it runs already at full speed.
If I go back to the 2.6 hypervisor kernel coming with CentOS 5.2 the 
frequency is shown correct and frequency scaling works.

Is there kernel parameter or something I could use to correct this 
behavior?

Also, there's still only the Xen 3.2 rpm packages that were built for 
CentOS 5.1 available for download on xen.org. It would be nice if these 
packages could be updated to Xen 3.2.1 built on CentOS 5.2. (Not only, but 
also in the hope it might fix the problem above.)

Does anyone provide 3.2.1 rpms built on CentOS 5.2 that are not 
specialized to work only in certain environments?

Thanks!

Kai

-- 
Kai Schätzl, Berlin, Germany
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