I can confirm that frequency scaling does not affect the 2nd core of a core duo laptop by default. To get it working, I installed the sysfsutils package and added the following lines to /etc/sysfs.conf:
devices/system/cpu/cpu0/cpufreq/scaling_governor=userspace devices/system/cpu/cpu1/cpufreq/scaling_governor=userspace In earlier iterations of this project, I had to use the "ondemand" governor instead of the "userspace" one. -- frequency scaling does not scale properly on dual core https://launchpad.net/bugs/51932 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs