Can confirm as well. When dragging a window by its title bar to another workspace in the workspace switcher, it freezes.
System76 Gazelle Pro i7-4810MQ Ubuntu 14.04.3 LTS 3.13.0-68-generic
Can confirm as well. When dragging a window by its title bar to another workspace in the workspace switcher, it freezes.
System76 Gazelle Pro
i7-4810MQ
Ubuntu 14.04.3 LTS
3.13.0-68-generic