This bug has cropped up again in Lucid. I was able to work around it by disabling the option "use_time_for_policy" in the gconf-editor's settings for gnome-power-manager. I no longer get the warning. However, it was causing unwanted hibernation any time I unplugged the laptop before I did that.
Confirmation can be found in the following posts from the Ubuntu forum from users having the same problem: http://ubuntuforums.org/showthread.php?p=9534835#post9534835 http://ubuntuforums.org/showthread.php?t=1491327&highlight=critically+low+battery+unplug http://ubuntuforums.org/showthread.php?t=1494864&highlight=critically+low+battery+unplug http://ubuntuforums.org/showthread.php?t=1478374&highlight=critically+low+battery+unplug -- Critical power warning at 99% https://bugs.launchpad.net/bugs/42705 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs