El jue, 10-05-2007 a las 18:57 +0200, Petter Reinholdtsen escribió: > [José L. Redrejo Rodríguez] > > cpufrequtils doesn't manage the cpu speed, it includes the tools to > > do it, but it doesn't do it. I guess you are refering to cpufreqd. > > Actually, cpufrequtils do manage the CPU speed (or to be exact, it > tell the kernel to do it). If you edit /etc/default/cpufrequtils, and > set ENABLE="true", it will turn on ondemand cpu frequency scaling if > the required kernel modules are loaded. Then I can't answer you because I've never heard that feature works, maybe that's why there are three diferent packages to do it. I only can speak of comparing cpufreqd, cpudyn and powernowd. > > > Not, I don't know of such package, but, loading by default > > speedstep-centrino doesn't hurt in an AMD laptop (well, it just says > > that's device doesn't exist). Doing it you cover most existing > > laptops. > > How is this handled in Ubuntu? > I've never used Ubuntu, and haven't heard or read they manage it either. Even more, you can find a bunch of tutorials explaining how to do it in Ubuntu by hand (p. ex. http://doc.gwos.org/index.php/CPUFreq ), so I suppose they haven't done any automatic recognition either. > I've had ideas to implement support for CPU detection into discover > v2, but it isn't written yet. It would allow us to detect it and load > the correct kernel module. > Come on, do it ;-) > > Also, a script that in the first start (after installation) of the > > system reads /proc/cpuinfo or just modprobe different modules > > finding out which one does not answer a error could easily be made. > > Perhaps. We will only know when someone succeeded if it was easy to > make or not. :) > Sure, anyway that script is a trivial bash work. The problem is testing it in many diferent laptops, with diferent cpus. Regards. José L.
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