removed nvidia-glx and an update of linux-restricted- modules-2.6.17-10-generic was prompetd, carried out succesfully, and no dist-upgrade then called for or required
-- update-manager Could not calculate the upgrade https://launchpad.net/bugs/70220 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
