[Xen-devel] 2.6.31.6 pv_ops with K8 cpufreq

[Stefan Kuhne <stefan.kuhne@xxxxxxx>]

Hello,

i've an Xen Server running on AMD K8 CPU.
With Xen-3.4.0 and 2.6.24-24-xen Ubuntu Dom0 Kernel i can use cpufreq via:
cpufreq=dom0-kernel

But on 2.6.31.6 pv_ops Kernel i get:
powernow-k8: Found 1 AMD Athlon(tm) 64 X2 Dual Core Processor 3800+
processors (2 cpu cores) (version 2.20.00)
[Firmware Bug]: powernow-k8: No compatible ACPI _PSS objects found.
[Firmware Bug]: powernow-k8: Try again with latest BIOS.

I've installed latest BIOS.
I've read that cpufreq=xen only work with K10.
Is it so?

On Intel CPU this Kernel make cpufreq fine with xen-4.0.0-rc1.

Regards,
Stefan Kuhne

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