OK, I finally got around to testing something, and am happy to report that the fix is adding the following to rc.local
cat /proc/acpi/battery/BAT1/state > /dev/null -- [Karmic] power management icon says laptop is connected to power when it isn't https://bugs.launchpad.net/bugs/393008 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-power-manager in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs