I seem to be able to play the dvd (Dark Knight also), but attempting to backup with thoggen or any other dvd accessing application gives me this error so maybe Totem has worked around / fixed it inadvertently or otherwise.
apt-cache policy libdvdread4 libdvdread4: Installed: 4.1.3-5ubuntu2 Candidate: 4.1.3-5ubuntu2 Version table: *** 4.1.3-5ubuntu2 0 500 http://au.archive.ubuntu.com karmic/universe Packages 100 /var/lib/dpkg/status apt-cache policy totem totem: Installed: 2.28.2-0ubuntu3 Candidate: 2.28.2-0ubuntu3 Version table: *** 2.28.2-0ubuntu3 0 500 http://au.archive.ubuntu.com karmic-updates/main Packages 100 /var/lib/dpkg/status 2.28.1-0ubuntu4 0 500 http://au.archive.ubuntu.com karmic/main Packages apt-cache policy thoggen thoggen: Installed: 0.7.1-1ubuntu1 Candidate: 0.7.1-1ubuntu1 Version table: *** 0.7.1-1ubuntu1 0 500 http://au.archive.ubuntu.com karmic/universe Packages 100 /var/lib/dpkg/status -- libdvdread libdvdread: CHECK_VALUE failed in ifo_read.c:1913 https://bugs.launchpad.net/bugs/377414 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs