I forgot to mention that I also had to add the following section into /etc/X11/xorg.conf
Section "Extensions" Option "Composite" "0" EndSection -- Edgy Eft - fglrx module not started https://launchpad.net/bugs/57716 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
