I'm also affected by this bug, with a Core 2 Duo and -genereric kernel. It did work earlier on edgy, so i dont know when it broke, probably 2.6.17.11?
-- [regression-edgy] speedstep-centrino module fails to load https://launchpad.net/bugs/66812 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs