I can confirm this bug. During upgrade only those packages were pulled and php-horde fails on the post-installation script during configure.
# apt-get upgrade [...] The following packages will be upgraded: php-horde php-horde-activesync php-horde-core php-horde-history php-horde- icalendar php-horde-imap-client php-horde-imp php-horde-injector php-horde- kronolith php-horde-mime php-horde-service-twitter php-horde-timeobjects 12 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. [...] Setting up php-horde (5.1.1+debian0-1) ... Installing new version of config file /etc/horde/horde/conf.xml ... dpkg: error processing php-horde (--configure): subprocess installed post-installation script returned error exit status 1 When executing the postinstall script manually, it fails on the dpkg-maintscript-helper script: # sh -x /var/lib/dpkg/info/php-horde.postinst configure + dpkg-maintscript-helper mv_conffile /etc/apache2/conf.d/horde.conf /etc/apache2/conf-available/php-horde.conf 5.1.0+debian0-1~ -- configure dpkg-maintscript-helper: error: couldn't identify the package + '[' configure = configure ']' + CONF=php-horde + '[' -e /usr/share/apache2/apache2-maintscript-helper ']' + dpkg-query -f '${Version}' -W apache2.2-common + '[' -d /etc/apache2/conf.d/ ']' + '[' '!' -L /etc/apache2/conf.d/php-horde.conf ']' I have no clue, what that means... (yet)
smime.p7s
Description: S/MIME cryptographic signature