The bug ist caused by the Drag&Drop binding of the expo-view (for moving the windows in the expo-view). If you exit Expo by double-clicking on a workspace with a window, you zoom in to the workspace and because the Drag&Drop-binding is set to "Button1" (=left click) expo also tries to start to move the window. If you now move the window to the border of the viewport, compiz believe you want to use the compiz grid feature.
A simple workaround: change either the Drag&Drop-binding to something else ( CompizConfig->Expo->Bindings->Drag&Drop, set to <Control>Button1 or something else) OR find a other way to exit the expo view ( expo edge, expo button etc.) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/875557 Title: Compiz grid overlay appears after workspace switcher use To manage notifications about this bug go to: https://bugs.launchpad.net/compiz-plugins-main/+bug/875557/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
