Confirmed in Natty. Broken version: xorg-server 2:1.9.99.901+git20110131.be3be758-0ubuntu6 Last working version: xorg-server 2:1.9.99.901+git20110131.be3be758-0ubuntu5
The workaround is to downgrade to the later. ** Changed in: xorg-server (Ubuntu) Importance: Undecided => High ** Changed in: xorg-server (Ubuntu) Status: Confirmed => Triaged ** Also affects: xorg-server (Ubuntu Natty) Importance: High Status: Triaged ** Tags added: regression-release -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/722563 Title: vboxvideo DRI driver crashes Xorg on startup -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs