I've checked out some of the threads regarding this issue, but none have so far worked. If I run mythfrontend in a terminal and then try to play an iso file I get this:
So it's a file association issue?
2011-02-28 23:59:04.251 TV: Attempting to change from None to WatchingDVD
libdvdnav: Using dvdnav version svnR1169
libdvdread: Using libdvdcss version 1.2.10 for DVD access
libdvdread: Could not open /dev/dvd with libdvdcss.
libdvdread: Can't open /dev/dvd for reading
libdvdnav: vm: failed to open/read the DVD
2011-02-28 23:59:04.278 Failed to open DVD device at /dev/dvd
I'm running a clean install of mythbuntu 10.10, nvidia ion. Any help would be appreciated.