Re: 2.6.17 -> 2.6.18 regression: cpufreq broken since 2.6.18-rc1 on pentium4

Alexey Starikovskiy
2006-07-30T18:07:27Z

Do I understand your logs right and acpi-cpufreq is already loaded and works on your processor?
Do you have any info in /sys/devices/system/cpu/cpu0/cpufreq ?
Why do you want to load p4-clockmod over it? It does not save you any power, just limits performance.

Regards,
Alex.

bert hubert wrote:
>> I have similar problem with cpufreq-nforce2 -- http://lkml.org/lkml/2006/7/7/234
>> I haven't do a git-bisect yet.
>
> To recap, cpufreq died for at least two people (Tomasz Torcz and me) between
> 2.6.17 and 2.6.18-rc1. I've cc'd everybody who touched cpufreq according to
> the shortlog.
>
> Abundant details are in:
>
> http://lkml.org/lkml/2006/7/30/87
>
> New information is that I've narrowed it down from between 2.6.16.9 and
> 2.6.18-rc1 to between 2.6.17.7 (which works) and 2.6.18-rc1 (which doesn't).
>
> The problem exists both with cpufreq as modules and staticly, and both with
> P4 and nforce2.
>
> Please let me know how I can help you solve this problem. I'll try a git
> bisect but a lot of the cpufreq changes appear to be interrelated, so I'm
> unsure if it will work.
>
> Thanks!
>