I've found what causes this, see https://bugs.launchpad.net/ubuntu/+source/linux/+bug/791089/comments/43...
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/776803 Title: Natty does not shut down cleanly (enough for my BIOS) To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/776803/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
