I have had near same problem with GeForce MX/MX440 64 Mb/AGP. https://launchpad.net/distros/ubuntu/+bug/61937 I upgraded Edgy Beta, but I have same problem yet.
-- Kubuntu dapper freeze very often https://launchpad.net/bugs/46329 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
