Comment 12 for bug 379882

Excerpt of installer's syslog with debconf debugging turned on:

Apr 15 17:15:31 in-target: debconf (developer): starting /usr/bin/debconf-apt-progress --no-progress --logstderr -- apt-get -q -y --no-remove install mdadm
Apr 15 17:15:31 in-target: debconf (developer): <-- GET debconf/priority
Apr 15 17:15:31 in-target: debconf (developer): --> 0 high
Apr 15 17:15:31 in-target: Reading package lists...
Apr 15 17:15:32 in-target:
Apr 15 17:15:32 in-target: Building dependency tree...
Apr 15 17:15:32 in-target:
Apr 15 17:15:32 in-target: Reading state information...
Apr 15 17:15:32 in-target:
Apr 15 17:15:32 in-target: The following extra packages will be installed:
Apr 15 17:15:32 in-target: postfix ssl-cert
Apr 15 17:15:32 in-target: Suggested packages:
Apr 15 17:15:32 in-target: procmail postfix-mysql postfix-pgsql postfix-ldap postfix-pcre sasl2-bin
Apr 15 17:15:32 in-target: resolvconf postfix-cdb mail-reader ufw
Apr 15 17:15:32 in-target: The following NEW packages will be installed:
Apr 15 17:15:32 in-target: mdadm postfix ssl-cert