Re: Pentium D 915 support

[Thomas Renninger <trenn@suse.de>]

On Sun, 2006-07-30 at 17:58 +0200, Erik Slagter wrote:
> On zo, 2006-07-30 at 19:33 +0400, Alexey Starikovskiy wrote:
> modprobe acpi-cpufreq does work but output of cpufreq-info shows:
> 
> > cpufrequtils 0.4: cpufreq-info (C) Dominik Brodowski 2004
> > Report errors and bugs to linux@brodo.de, please.
> > analyzing CPU 0:
> >   driver: acpi-cpufreq
> >   CPUs which need to switch frequency at the same time: 0
> >   hardware limits: 2.40 GHz - 2.80 GHz
> >   available frequency steps: 2.80 GHz, 2.80 GHz, 2.80 GHz, 2.80 GHz, 2.80 GHz, 2.80 GHz, 2.80 GHz, 2.80 GHz, 2.80 GHz, 2.40 GHz  available cpufreq governors: conservative, ondemand, powersave, userspace, performance
> >   current policy: frequency should be within 2.40 GHz and 2.80 GHz.
> >                   The governor "performance" may decide which speed to use
> >                   within this range.
> >   current CPU frequency is 2.80 GHz.
> > analyzing CPU 1:
> >   driver: acpi-cpufreq
> >   CPUs which need to switch frequency at the same time: 1
> >   hardware limits: 2.40 GHz - 2.80 GHz
> >   available frequency steps: 2.80 GHz, 2.80 GHz, 2.80 GHz, 2.80 GHz, 2.80 GHz, 2.80 GHz, 2.80 GHz, 2.80 GHz, 2.80 GHz, 2.40 GHz  available cpufreq governors: conservative, ondemand, powersave, userspace, performance
> >   current policy: frequency should be within 2.40 GHz and 2.80 GHz.
> >                   The governor "performance" may decide which speed to use
> >                   within this range.
> >   current CPU frequency is 2.80 GHz.
> 
> Please note the amount of repeated same frequency.
> 
I already saw something similar.
This is BIOS information, they probably want to take care that no
performance is lost and define 9 high and one low step.

> Also, it strikes me that /proc/acpi/../power only shows C1, is this normal?
> 
On a Pentium D, I'd say yes.

> Last but not least: the loading or unloading of the module doesn't have
> any effect on the actual power consumption, even with powersave governor
> and both cores at 2.4 Ghz (both at 140 W).
Strange. 2.4 GHz is still a lot?

Have you already searched for a new BIOS, if not better do that first.

     Thomas