Re: cpufreq not working on AMD K8 (was Re: 2.6.19-rc1: known regressions)

Tomasz Torcz
2006-10-11T18:38:47Z

On Wed, Oct 11, 2006 at 08:16:32PM +0200, Christian wrote:
> Am Mittwoch, 11. Oktober 2006 19:33 schrieb Langsdorf, Mark:
> > > It seems that my first try exceeded the LKML size limit. So
> > > hopefully you should get my decompiled DSDT now as a bzip
> > > compressed file.
> >
> > Right then. You're completely missing the _PCT, _PPC, and
> > _PSS packages, as well as the CPU scope they're normally
> > defined in. powernow-k8 is not going to work on this system.
>
> user@ubuntu:~$ uname -a
> Linux ubuntu.localnet 2.6.18-rc7 #2 SMP Wed Sep 13 11:28:41 CEST 2006 x86_64
> GNU/Linux
> user@ubuntu:~$ dmesg | grep power
> [ 402.879894] powernow-k8: Found 2 AMD Athlon(tm) 64 X2 Dual Core Processor
> 3800+ processors (version 2.00.00)
> [ 402.880409] powernow-k8: 0 : fid 0xc (2000 MHz), vid 0x8
> [ 402.880412] powernow-k8: 1 : fid 0xa (1800 MHz), vid 0xa
> [ 402.880415] powernow-k8: 2 : fid 0x2 (1000 MHz), vid 0x12
> [ 402.881299] powernow-k8: ph2 null fid transition 0xc
>
> 2.6.18-rc7 powerfreq works nice. Double checked it!

There are strange woes with cpufreq in current kernel. During
2.6.18-rc cpufreq-nforce2 was broken, then fixed (acpi-cpufreq was
failing to propagate registration error) then broken again. It still
doesn't work in 19-rc1.

--
Tomasz Torcz Only gods can safely risk perfection,
zdzichu@irc.-nie.spam-.pl it's a dangerous thing for a man. -- Alia