It takes a while to come up, but it does. I did this on battery too.
** Attachment added: "powertop-gnome-power-manager.jpg" http://launchpadlibrarian.net/20708758/powertop-gnome-power-manager.jpg -- Powertop recommends to kill gnome-power-manager, this impacts Ubuntu functionality https://bugs.launchpad.net/bugs/311067 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