Ok, I've launched the command, unfortunately (or not) dist-upgrade has found nothing to do:
Lecture des listes de paquets... Fait Construction de l'arbre des dépendances Lecture des informations d'état... Fait Calcul de la mise à jour... Fait 0 mis à jour, 0 nouvellement installés, 0 à enlever et 0 non mis à jour. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/932747 Title: Update from 11.04 to 11.10 fails with pkgProblemResolver To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/932747/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs