I have the same problem (intel graphics card). Apparently it's a matter of drivers (see http://ubuntuforums.org/showthread.php?p=9361960#post9361960).
-- [10.04 regression] user switch leaves original session unusable https://bugs.launchpad.net/bugs/559603 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
