Try to use sessions without compiz ("no effects") or simply uninstall compiz.
In my case this solved all stability issues.-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/776654 Title: Ubuntu 11.04 randomly logs out -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
