I had to use "apt-get -f install" to finish my du today. This is just an FYI, since it finished normally after that.
Error: Sub-process /usr/bin/dpkg returned an error code (1)
End-Date: 2014-10-01 10:06:42
Start-Date: 2014-10-01 10:07:27
Commandline: apt-get -f install
Install: phonon-backend-gstreamer-common:amd64 (4.8.0-2, automatic)
End-Date: 2014-10-01 10:08:17