@jplandry: there is already another bug about recognizing blank DVD and CD (bug 581925) and you can use Jonie's PPA to install patched udev. His PPA is https://launchpad.net/~jonie/+archive/ppa. Using this version worked for me.
@jplandry: there is already another bug about recognizing blank DVD and CD (bug 581925) and you can use Jonie's PPA to install patched udev. His PPA is https:/ /launchpad. net/~jonie/ +archive/ ppa. Using this version worked for me.