Comment 6 for bug 384639

Not sure if this is relevant but here's the results of the mentioned commands from a previous commenter.

$ apt-cache policy nvidia-common
nvidia-common:
  Installed: 0.2.11
  Candidate: 0.2.11
  Version table:
 *** 0.2.11 0
        500 http://us.archive.ubuntu.com jaunty/main Packages
        100 /var/lib/dpkg/status
$ nvidia-detector
none