I don't think WM have anything to do with it - you've probably meant DE. I'm using xfce on xubuntu - the same as in 15.10 from which I've upgraded.
** Changed in: ubuntu-meta (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1577227 Title: shutdown fails with password request To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-meta/+bug/1577227/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs