http://ubuntuforums.org/showthread.php?p=1747777#post1744775 contains the solution, and the description why these packages conflict. It also has the solution.
-- xorg doesn't startup with unichrome driver (on edgy) https://launchpad.net/bugs/68901 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs