I'm having the same problem and I experimented with different packages. g-p-m 2.27.2 and 2.27.1-0ubuntu2 gave the same devicekit-power errors. Downgrading devicekit-power to this fixed it.
https://edge.launchpad.net/ubuntu/+source/devicekit- power/008-1/+build/1057967 ** Package changed: gnome-power-manager (Ubuntu) => devicekit-power (Ubuntu) ** Changed in: devicekit-power (Ubuntu) Status: New => Confirmed -- lost all power management related features https://bugs.launchpad.net/bugs/392906 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
