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.
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.