see https://edge.launchpad.net/ubuntu/+source/empathy/2.28.1.1-0ubuntu1 and the " - Incoming message while menu is open freezes X" for the update fixing the issue, not sure about the bug number though
see https:/ /edge.launchpad .net/ubuntu/ +source/ empathy/ 2.28.1. 1-0ubuntu1 and the " - Incoming message while menu is open freezes X" for the update fixing the issue, not sure about the bug number though