at me same problem on lucid, I've fixed it by disabling KMS with nomodeset parameter
-- [Q45] Flickering corruption with KMS and DVI output https://bugs.launchpad.net/bugs/493707 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