Re: Can't set CPU freuqency

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Will Godfrey <willgodfrey@xxxxxxxxxxxxxxx> writes:

> I've been gifted an ASUS Republic of Gamers (ROG) G750JX laptop but am having a
> problem with it. It seem to ignore:
> 	sudo /usr/bin/cpufreq-set -r -g performance
> and instead always runs in ondemand mode.
> It has a base speed of supposedly 2.4G, but actually runs at 2.3 or less and
> very occasionally hits' 3.4G, just *after* Xruns.
>
> There is nothing in the bios I can find regarding CPU frequency
>
> Any suggestions?

My T420 tends to frequently exhibit considerable resistance to running
at full speed until I do

sudo powertop

and check the frequencies there.  After exiting the utility, the
throttling appears to be gone.

And yes, cpufreq-info claims to use the "performance" frequency
governor, but it doesn't seem to take hold until I check with powertop.

No idea what the real fix would be.  Possibly worth a try in your case
as well.

-- 
David Kastrup
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