Same issue. Dell XPS 15 9560 here. Fresh install of Eoan from the Beta
ISO a few days ago (and kept up to date with the repos).
--
You received this bug notification because you are a member of Ubuntu
Desktop Bugs, which is subscribed to gnome-power-manager in Ubuntu.
We have this problem with Ubuntu 14.04. It happens when the network
connection is lost or after a period of inactivity. Anyone found a
workaround yet?
--
You received this bug notification because you are a member of Ubuntu
Desktop Bugs, which is a bug assignee.