Same issue here since upgrading to 14.04: The hang occurs when I grab a window by its title bar and drag it from one workspace to another.
HP Pavillion p7-1455 VMware® Player 5.0.1 build-894247 ubuntu 14.04 LTS 3.13.0-29-generic AMD A10-5700 APU with Radeon(tm) HD Graphics Gallium 0.4 on SVGA3D; build: RELEASE; 64-bit -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1301623 Title: unity freezes when moving windows among workspaces To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1301623/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs