Hi John, I had the same problem -- it is because of bug in libdvdread4_4.2.0+20120521-2, see #688574.
We declared Breaks with broken libdvdread4 in repository. As for now the problem will go away if you upgrade to libdvdread4-4.2.0+20120521-3 from unstable. Cheers, Dmitry. -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org