After restarting compiz/unity again, it works now. Lots of other things are broken (Ctrl+Alt+T, Windows+Up/Down, etc.), but at least this unnerving thing seems to have been an one-time issue.
After restarting compiz/unity again, it works now. Lots of other things are broken (Ctrl+Alt+T, Windows+Up/Down, etc.), but at least this unnerving thing seems to have been an one-time issue.