Yours seems to be different, first the graphic cards are note the same, and second, in my case the mouse cursor moves and I can got out from the frozen session with CTRL-ALT F1 or F2.
Right now is really bad, though, it freezes immediately after login into Unity, after I open any application of the launcher or if I click any indicator in the panel. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/757387 Title: Unity freezes after one or two minutes after log-in -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs