it is probably an issue with the ATI proprietary driver, which is closed-source.
-- ubuntu freezes on log out or switch user https://bugs.launchpad.net/bugs/244405 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
