You can workarround this bug by manually installing the nVidia drivers following the instructions on http://ubuntuforums.org/showthread.php?t=990978, this bug seems just a dependency problem.
I've just installed the latests 64bits drivers (195.22) on lucyd and after restart all is fine. Let's see what happens on the next X update. -- package nvidia-glx-185 (not installed) failed to install/upgrade: subprocess installed post-removal script returned error exit status 2 https://bugs.launchpad.net/bugs/494824 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-graphics-drivers-180 in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp