FYI, the latest updates break resuming for me even with the "nv" driver (#97551) so what I said above may or may not be true now.
-- Nvidia binary driver requires Option "NvAGP" "1" for reliable suspend/resume. https://launchpad.net/bugs/34043 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs