If this is the bug I think it is, then I am experiencing it too and it is a problem with framebuffer compression that can be solved with Option "FramebufferCompression" "off" in the Device section in xorg.conf.
Kieran, can you get parts of the screen to begin updating again by dragging a selection box on the desktop next to a frozen window, or anything like that? -- [Intrepid] Screen doesn't update until TTY switch (945GM) https://bugs.launchpad.net/bugs/267416 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs