Speedstep Support via boot parameter doesn't work ?

Dave Jones davej at redhat.com
Wed Nov 19 15:26:38 UTC 2003


On Wed, Nov 19, 2003 at 10:12:45AM +0100, Peter Boy wrote:
 > Fedora has build in support for speedstep technology. Very nice.
 > 
 > The release notes state:
 > 
 > It is also possible to set minimum, maximum, and policy using the
 > following boot-time parameter:
 > 
 > cpufreq=<min>:<max>:<policy>

Ah, thats bogus. It's only true if the speedstep code was compiled
into the kernel. (non-modular)

 > After booting /proc/cpufreq is empty and lsmod doesn't show
 > speedstep-centrino. Obviously the boot parameter does not load the
 > necessary module. Do I miss something? Is it a bug and worth a bug
 > report?
 > 
 > The only way I found to make it work is to add the necessary commands to
 > rc.local.

That's probably the best.

		Dave





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