Re: Dell bios + cpufreqd problem

[Thomas Renninger <trenn@suse.de>]

On Thu, 2006-08-03 at 11:32 +0200, Stijn Van Nieuwenhuyse wrote:
> I have posted a couple of monts ago a bugreport about my cpufreq problems.
> I have a Dell Latitude D800 with a Dothan Pentium M processor.
> When I switched to ac adapter, the frequency was locked to 600 MHz
> (frequency should be within 600 MHz and 600 MHz). In the meantime this
> problem has been resolved.
> 
> I have noticed approximately the same problem again while running cpufeqd.
> If I only use cpufrequtils and set the governor with cpufreq-set,
> everything seems to be working (when I switch to battery, the
> processor is locked for approximately 15 seconds to 600 MHz, but
> afterwards, everything is OK)
> But if I use cpufreqd, the processor is locked to 600 MHz when I
> switch to battery, and the maximum freqency does not get updated. A
> workaround I have found is restarting the cpufreqd daemon.
> (when I boot on battery power, cpufreq-info gives the correct output,
> when I switch to ac adapter and to battery again, the problem occurs
> again.
> 
> Can somebody point my to a solution for my problem?
> 
> I am running Gentoo Linux with 2.6.16-suspend2-r8 kernel.

This problem should be fixed in more recent kernels.

   Thomas