*** This bug is a duplicate of bug 441638 *** https://bugs.launchpad.net/bugs/441638
Fwiw, the underlying issue for this one was not that xorg.conf was invalid but rather (I guess) that the vboxvideo was not present on the system (or was not installed or loading properly): (EE) Failed to load module "vboxvideo" (module does not exist, 0) -- No "safe" fallback on broken xorg.conf or missing driver https://bugs.launchpad.net/bugs/457443 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gdm in ubuntu (via bug 441638). -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs