Just killing upower and restarting it by running 'upower --version' (like is done on upower.postinst) is enough to bring the system down. Upower thinks the battery is empty when in fact it's just slow getting the info from the battery/kernel/whatever.
This has happened a number of times when upgrading my desktop, and finally tracked it down.. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1590244 Title: Upgrading upower package caused forced reboot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/upower/+bug/1590244/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs