Totem/edgy displays this error for just about any error in DVD playback, including files that don't exist (play dvd://idontexist) and read errors reported by the DVD drive.
This is totem-xine of course. ** Changed in: totem (Ubuntu) Status: Rejected => Confirmed -- Totem, although libdvdcss is installed, says DVD is encrypted https://launchpad.net/bugs/60006 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs