This is not a bug, but a security feature. By default, access is restricted from root user to your DISPLAY. You should probably open a support request instead if you need more insightful information and workarounds.
Here are some useful threads from Ubuntu forums that could provide to be helpful. http://ubuntuforums.org/showthread.php?t=187899 http://ubuntuforums.org/showthread.php?t=420706 Thanks. ** Changed in: firestarter (Ubuntu) Status: Unconfirmed => Rejected -- Firestarter fails to load after editing /etc/sudoers file https://bugs.launchpad.net/bugs/80874 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs