Re: bug? acpi p-state + ondemand keeps dropping max freq

From: Kok, Auke
Date: Mon Jun 09 2008 - 12:41:37 EST


Arjan van de Ven wrote:
> On Sat, 7 Jun 2008 23:39:18 +0200
> Pavel Machek <pavel@xxxxxxx> wrote:
>
>>> # echo 1866000 > scaling_max_freq ; cat scaling_max_freq
>>> 800000
>>> # echo 1866000 > scaling_max_freq ; cat scaling_max_freq
>>> 800000
>>>
>>>
>>> This renders my Dothan to utterly poor speeds. (standard T43)
>>>
>>> performance cpufreq governor makes no difference - I still can't
>>> change the frequency upper/lower values.
>> Hmm, I have similar problem in Novell bugzilla, on very different hw:
>>
>> https://bugzilla.novell.com/show_bug.cgi?id=396311
>>
>> Pavel
>>
>
>
> are either of you running gnome-power-manager or kpowersaved ?
> sometimes these programs (and more likely, the patches added by a
> distro maintainer who doesn't fully realize how power works) tend to
> muck with kernel settings around CPU frequency that they have
> absolutely no business touching...

I neither run gnome nor kde. there's nothing running on this box that is managing
power settings.

Auke


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