Comment 3 for bug 588780

Here looks to be the relevant bits from /var/log/syslog:

Jun 2 18:38:53 in-target: Some packages could not be installed. This may mean that you have
Jun 2 18:38:53 in-target: requested an impossible situation or if you are using the unstable
Jun 2 18:38:53 in-target: distribution that some required packages have not yet been created
Jun 2 18:38:53 in-target: or been moved out of Incoming.
Jun 2 18:38:53 in-target: The following information may help to resolve the situation:
Jun 2 18:38:53 in-target:<
Jun 2 18:38:53 in-target: The following packages have unmet dependencies:
Jun 2 18:38:53 in-target: bitmeter: Conflicts: bitscope
Jun 2 18:38:53 in-target: libdirectfb-1.2-9: Conflicts: libdirectfb-1.2-0 but 1.2.8-5ubuntu2 is to be installed
Jun 2 18:38:53 in-target: E:<
Jun 2 18:38:53 in-target: Broken packages
Jun 2 18:38:53 in-target:<
Jun 2 18:38:53 in-target: tasksel: aptitude failed (100)

Full syslog is attached.