Re: activating ondemand governor on ThinkPad T21
Hi,
On Mon, 12 Nov 2007, Alexander Schmehl wrote:
> Playing with my ThinkPad T21 using Debian lenny and Kernel 2.6.22-2-686,
> I problems activating the ondemand powersaving governor.
>
> All I get is the following error message: "ondemand governor failed to
> load due to too long transition latency".
>
> I found some old hints (speaking of kernel 2.6.17 and earlier), that
> this problem could be solved by editing include/linux/cpufreq.h,
> replacing the -1 of '#define CPUFREQ_ETERNAL (-1)' with an higher value,
> e.g. 10, and recompiling the modules.
>
> Does anyone know an other solution? Preferably one, where I don't need
> to patch and recompile the kernel?
http://www.thinkwiki.org/wiki/How_to_get_SpeedStep_working_on_Coppermine-piix4-smi_based_ThinkPads
--
Florian Reitmeir
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