On the reported bug from the link below, a patch has been provided. I have just tested it with a custom kernel 2.6.35.7, but unfortunately, it did not give any good result with my core i5 520 M.
cpufreq-info always return : current policy: frequency should be within 1.20 GHz and 1.20 GHz. The governor "ondemand" may decide which speed to use within this range. current CPU frequency is 1.20 GHz. cpufreq stats: 2.40 GHz:0.00%, 2.40 GHz:0.00%, 2.27 GHz:0.00%, 2.13 GHz:0.00%, 2.00 GHz:0.00%, 1.87 GHz:0.00%, 1.73 GHz:0.00%, 1.60 GHz:0.00%, 1.47 GHz:0.00%, 1.33 GHz:0.00%, 1.20 GHz:100.00% -- [maverick] CPU frequency does not scale up unless all cores are in use https://bugs.launchpad.net/bugs/637845 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
