Sufficiently similar to my case that I suspect it's the same problem. I have Banshee open and was changing the volume using the "panel" applet when Compiz crashed. Lost all my window title bars but everything else carried on OK, including the Unity Launcher.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/727041 Title: unity-window-decorator crashed with SIGSEGV in g_closure_invoke() -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs