Do you have any plugins like flashblock installed by any chance? Where did you install nvidia 260.19.44 from? If it was from nvidia.com you don't have glx in the first place which full screen flash uses so that is probably why it worked, installing outside of the package manager breaks GL.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/738600 Title: flash 10.2 plugin crashes when leaving full-screen with nvidia 270.30 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs