FC6 core duo and cpuspeed

Christian Menzel chris at menzel.com
Fri Nov 3 10:28:07 UTC 2006


No, this is not the i586 problem :-)

I just upgraded my ThinkPad T60p to FC6 and I'm under the impression
that the core duo isn't handled as good as in FC5.
When starting cpuspeed it doesn't go into daemon mode but instead loads
the cpufreq_ondemand module. The CPU scaling applets can be loaded in
the tray and configured for CPU0 and CPU1 but changing the frequency for
one CPU results in a parallel change for the other.
This is also the case when the system is under load, the applets always
show the same freq for both cores. This behavior is different from the
behavior in FC5, where sometimes only one CPU was under load.
As a side effect, I think the fan is running more often and at a higher
speed as before.

Is there something I must configure, or should I build a custom SMP
kernel?

Regards
Chris





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