I got exactly the same problem with a Dell Latitue E6400 with the Intel GMA x4500 graphics card when running with UXA (with EXA everything is fine but it has its own problems, see bug https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/320813).
I think this bug has already been uploaded upstream: http://bugs.freedesktop.org/show_bug.cgi?id= -- Session lost on resume from sleep in Jaunty on Lenovo T500 https://bugs.launchpad.net/bugs/322202 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