This appears to be a problem with Totem, nothing to do with the kernel. I've managed to get DVDs playing again by installing DVD support (CSS descrambling) as following:
sudo /usr/share/doc/libdvdread4/install-css.sh ** Changed in: linux (Ubuntu) Status: New => Invalid -- Matshita drive unable to read video DVDs. https://bugs.launchpad.net/bugs/508907 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