Bug#373947: powernow-k8: scaling cpu frequency not working with xen

[Moritz Muehlenhoff <jmm@inutil.org>]

On Fri, Jun 16, 2006 at 03:51:46PM +0200, Uwe Mesecke wrote:
> Package: linux-image-2.6.16-2-xen-amd64-k8
> Version: 2.6.16-14
> Severity: normal
> 
> Hi,
> 
> after switching to a xen-kernel the frequency scaling of my AMD Athlon64 
> CPU stopped working. Instead my syslog is filled with following messages:
> 
> Jun 16 15:30:03 harry kernel: powernow-k8: fid trans failed, fid 0x2, curr 
> 0xc
> Jun 16 15:30:03 harry kernel: powernow-k8: transition frequency failed
> Jun 16 15:31:00 harry kernel: powernow-k8: fid trans failed, fid 0x2, curr 
> 0xc
> Jun 16 15:31:00 harry kernel: powernow-k8: transition frequency failed
> 
> It seems that there is a patch[0] available and according to the 
> posting[1] of another person having that problem it fixes the issue.
> 
> Have not tested the patch yet but I am willing to test prepared packages
> when someone integrates the changes.

Does this error still occur with more recent kernel versions?

Cheers,
        Moritz