I'm experiencing what appears to be the same on my Lenovo X1 Carbon with the 3.8.0-21-generic kernel. I use TLP, and if I have the ondemand governor set for battery, it is stuck at 0.8ghz (or the minimum frequency) no matter how much I load it up. Thus performance gets quite slow.
Modifying /etc/default/tlp to use performance governor instead for battery is a workaround for now, or alternatively changing the minimum frequency at which it is stuck. The "ondemand" service wasn't running before, but starting it made no difference to its ability to ramp up from the minimum frequency. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1174169 Title: Minimum and maximum cpu frequency are equal To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1174169/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
