I have used this setup a few times in the past with out any issues at all. Though the other day I reinstalled and have been getting the following error when starting the backend/retriviing channel line ups.
Session management error:
AuthenticationRejected, reason : None of the authenticationprotocols specifiedare supportedhost-based authenticationfailed
and After searching around for a few I came across one fix which led me to another fix. The problem is that MythTV was attempting to run as the Mythtv user, thats fine and dandy but I run mine as my user instead. So you have to change two files and the problems will be fixed. Here are the two files that need to be changed.
In those files you will see a spot right at the top where it is trying to run as the mythtv user, just replace mythtv with your name and then you should be all set.