You can disable the intel p state driver by adding an additional kernel parameter through your bootloader.
For GRUB2 you can do the following: /etc/default/grub: GRUB_CMDLINE_LINUX="intel_pstate=disable" terminal: sudo grub-mkconfig -o /boot/grub/grub.cfg sudo reboot After that, the other governors should be available, too. -Ramon On 11/01/2017 04:12 AM, Walter Dnes wrote: I've cobbled together a script that runs under eselect to list/set COU speeds/governors on my machines. I set max speed when I'm using the machine, and min speed when not. It has run fine so far, except recently on an Intel Silvermont machine (64-bit Atom family) running Gentoo kernel 4.12.12. Userspace CPU control is not available, even though I've asked for it under "make menuconfig". On other machines /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors shows... conservative userspace ondemand performance ...but on this one machine it only shows... performance powersave ...so I know it's the machine, not my script, that's the problem. Note that I set conservative, performance, powersave, and userspace in the "make menuconfig" process, and made userspace the default governor. One difference I noticed on the Silvermont is CONFIG_X86_INTEL_PSTATE=y which is the opposite of the machines that things work properly on. So I went into "make menuconfig" to try to switch it off, but I get... -*- Intel P state control Yes, it is *FORCED* on on that one machine. Now what? I'm attaching /proc/config.gz from the Silvermont in case it helps. Feel free to comment on other stuff in config.gz as well.