I had a "customer" on irc.freenode.net #ubuntu-xgl with the same problem, he did not have any modules in /lib/modules/2.6.17-10-generic/kernel/drivers/char/agp/ on an edgy amd64 machine. I mean he had some, but not the amd64 agpgart module.
-- no dri cannot init AGP in 2.6.17-10 AMD64 https://launchpad.net/bugs/62547 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs