Your AGP chipset seems to be unsupported. I am confirming this bug.
** Changed in: xserver-xorg-driver-ati (Ubuntu)
Status: Needs Info => Confirmed-- ATI 9800XT No Direct Rendering - Cannot Init AGP https://launchpad.net/bugs/57451 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
