package bacula-director-mysql 5.0.1-1ubuntu1 failed to install/upgrade:

Relevant extract from log:

Setting up bacula-fd (5.0.1-1ubuntu1) ...
Installing new version of config file /etc/init.d/bacula-fd ...
bin) in auto mode.
tr: write error: Broken pipe
tr: write error
cat: write error: Broken pipe
 * Starting Bacula File daemon...
   ...fail!
invoke-rc.d: initscript bacula-fd, action "start" failed.
invoke-rc.d: release upgrade in progress, error is not fatal
Setting up bacula-console (5.0.1-1ubuntu1) ...
Setting up bacula-common-mysql (5.0.1-1ubuntu1) ...
Setting up bacula-director-common (5.0.1-1ubuntu1) ...
Installing new version of config file /etc/bacula/scripts/query.sql ...
Installing new version of config file /etc/init.d/bacula-director ...
Setting up dbconfig-common (1.8.44ubuntu1) ...
Setting up bacula-director-mysql (5.0.1-1ubuntu1) ...
Installing new version of config file /etc/bacula/scripts/delete_catalog_backup ...
Installing new version of config file /etc/bacula/scripts/make_catalog_backup ...
debconf: Unknown template field '_description', in stanza #9 of /var/lib/dpkg/info/bacula-director-mysql.templates
dbconfig-common: writing config to /etc/dbconfig-common/bacula-director-mysql.conf
Creating config file /etc/dbconfig-common/bacula-director-mysql.conf with new version
creating database backup in /var/cache/dbconfig-common/backups/bacula-director-mysql_2.4.2-1ubuntu4~hardy1.mysql.
error encountered backing up the old database:
mysqldump: Got error: 1049: Unknown database 'bacula' when selecting the database
GLib-GObject-WARNING **: /build/buildd/glib2.0-2.24.1/gobject/gsignal.c:3079: signal name `depressed' is invalid for instance `0x8ca8888' at /usr/share/perl5/Debconf/FrontEnd/Gnome.pm line 120, <GEN6> line 29.
dbconfig-common: bacula-director-mysql configure: retrying.
fo/bacula-director-mysql.templates
nf
ysql_2.4.2-1ubuntu4~hardy1.mysql.
e
GLib-GObject-WARNING **: /build/buildd/glib2.0-2.24.1/gobject/gsignal.c:3079: signal name `depressed' is invalid for instance `0x8ed5b60' at /usr/share/perl5/Debconf/FrontEnd/Gnome.pm line 120, <GEN6> line 377.
gnal name `depressed' is invalid for instance `0x8ca8888' at /usr/share/perl5/Debconf/FrontEnd/Gnome.pm line 120, <GEN6> line 29.
dbconfig-common: bacula-director-mysql configure: aborted.
dbconfig-common: flushing administrative password
dpkg: error processing bacula-director-mysql (--configure):
 subprocess installed post-installation script returned error exit status 1
Setting up mtx (1.3.12-2ubuntu2) ...
nf
Installing new version of config file /etc/bash_completion.d/mtx ...
Setting up bacula-sd (5.0.1-1ubuntu1) ...
ysql_2.4.2-1ubuntu4~hardy1.mysql.
Installing new version of config file /etc/bacula/scripts/mtx-changer ...
Installing new version of config file /etc/bacula/scripts/disk-changer ...
Installing new version of config file /etc/bacula/scripts/dvd-handler ...
e
Installing new version of config file /etc/init.d/bacula-sd ...
 * Starting Bacula Storage daemon...
   ...fail!
invoke-rc.d: initscript bacula-sd, action "start" failed.
invoke-rc.d: release upgrade in progress, error is not fatal
ysql_2.4.2-1ubuntu4~hardy1.mysql.
Setting up bacula-sd-mysql (5.0.1-1ubuntu1) ...