I'm using Gentoo Linux with OpenRC, kernel 3.12.5-ck. I've successfully compiled and installed phc-intel through portage. Afterwards, I've put
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echo "16 6 0" > /sys/devices/system/cpu/cpu0/cpufreq/phc_vids echo "16 6 0" > /sys/devices/system/cpu/cpu1/cpufreq/phc_vids
I've put phc-intel as a module to load in /etc/conf.d/modules, as well as blacklisted acpi_cpufreq and cpufreq_stats via my /etc/modprobe.d/blacklist.conf.
However, it seems that acpi_cpufreq still sometimes loads during startup. What bothers me is that it sometimes loads, and sometimes it loads phc-intel properly, and I can see it using my modified VIDs and voltages (I can see that through both the phctool, and by monitoring my CPU temperature).
If anyone could help me shed some light on this, or tell me what I'm doing wrong, I would be most grateful.
SOLVED: The problem is gone, now that I have compiled the 3.10-lqx kernel. I am not sure whether the problem was in the kernel version (is 3.12 too new?), the patchset (although LQX kernel contains the CK patches), or my kernel configuration. Most likely the configuration.