cpuspeed: 2g running at 800m (Jamie Bohr)

[Francois Ouellette]

> From: Jamie Bohr <jamiebohr at gmail.com>
> Subject: Re: cpuspeed: 2g running at 800m
> To: For users of Fedora Core releases <fedora-list at redhat.com>
> Message-ID: <fd7c117a0505051835350b566 at mail.gmail.com>
>
> Looks like I spoke too soon. I ran the "echo 14000... " when I was docked
> and all was well, speed could be set to 1.4 even 2G. Now that I am on
> battery or even power (not docked) I would only get the CPU to go to 800
> Mhz.
>
> If I run the command
>
> echo 600000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq
>
> to set the speed to 600 Mhz and it does it. Then I do the same thing with
2G
>
> echo 2000000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq
>
> The fastest the CPU will go is 800Mhz. Why will it not go any faster when
it
> is undocked. This is frustrating.
>
> Thank you.
I think that you first need to check what is the contents of
scaling_min_freq and scaling_max_freq
and use these values to echo into scaling_set_speed .
The value in scaling_cur_freq then tells you what is the cpu running at.
(works in my Thinkpad with FC3).

  François Ouellette
<fouellet at idirect.com>