This is a similar issue http://bugzilla.kernel.org/show_bug.cgi?id=7060
It may as well be what I'm experiencing since I had the battery unplugged during all tests I did. Unfortunately I don't have my notebook with me now, so I'll only be able to do more tests later today. -- kernel can't scale cpu frequency https://launchpad.net/bugs/36014 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs