I've modified /usr/bin/ubiquity like that : line 65 targetdb = '/var/cache/debconf/config.dat' in place of : targetdb = '/target/var/cache/debconf/config.dat'
The install process goes now to step 2 but I've got this error in /var/log/syslog : Oct 17 19:58:37 ubuntu ubiquity: debconf: DbDriver "targetdb": /var/cache/debconf/config.dat is locked by another process Oct 17 19:58:37 ubuntu ubiquity[26965]: log-output -t ubiquity debconf-copydb configdb targetdb -p ^console-setup/ --config=Name:targetdb --config=Driver:File --config=Filename:/var/cache/debconf/config.dat -- Fails to install (6.10 beta live) Ubiquity 2nd step https://launchpad.net/bugs/63328 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs