Thanks Pedro. I found the solution to my problem and it has little or nothing to do with mythtv. The nvidia 169.xx drivers do not support CPU's with out SSE.
I have posted details here on the mythbuntu section of the ubuntu forums. http://ubuntuforums.org/showpost.php?p=4504373&postcount=43 -sish -- mythwelcome/mythfrontend crashed with SIGILL https://bugs.launchpad.net/bugs/201304 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