On Mon, 25 Sep 2006 14:19:03 +0100, Roger Leigh wrote: > Hi folks, > > With current 2.6.17 and 2.8.16 Debian kernels, the following cpufreq > modules are available: > > $ find /lib/modules/$(uname -r) -name 'cpufreq*' > /lib/modules/2.6.18-1-powerpc/kernel/drivers/cpufreq > /lib/modules/2.6.18-1-powerpc/kernel/drivers/cpufreq/cpufreq_stats.ko > /lib/modules/2.6.18-1-powerpc/kernel/drivers/cpufreq/cpufreq_userspace.ko > /lib/modules/2.6.18-1-powerpc/kernel/drivers/cpufreq/cpufreq_ondemand.ko > /lib/modules/2.6.18-1-powerpc/kernel/drivers/cpufreq/cpufreq_conservative.ko > /lib/modules/2.6.18-1-powerpc/kernel/drivers/cpufreq/cpufreq_powersave.ko > > However, loading any or all of these modules does not enable frequency > scaling. You don't get anything under, e.g. > > /sys/devices/system/cpu/cpu0/ > > or under /proc. > > What else is needed to get CPU frequency scaling to work? On other > platforms, there are additional modules under kernel/arch/<arch>, but this > is not the case for powerpc. > > The system in question is a Mac Mini (7447A). > > > > Thanks, > Roger
Those are only scaling governors. You also need a scaling driver. Easiest way to find out which driver you need is to boot an Ubuntu LiveCD and issue an lsmod, at least IMHO. -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
