I experience exactly the same problem. I am wondering if it could possibly related to a dual desktop configuration?
Here is my xo ** Attachment added: "xorg.conf" http://launchpadlibrarian.net/11139823/xorg.conf -- switching between desktop users kills system https://bugs.launchpad.net/bugs/108292 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs