As of September 2010, the openSuSE packages are missing the file /etc/sysconfig/mythbackendopenSuSE packages are missing the file /etc/sysconfig/mythbackend. This result in the error...
/etc/sysconfig/mythbackend not existing
Either the server is down or the master server settings
in mythtv-settings does not contain the proper IP address
Audio mixer settings (in mythtvfrontend) again did not work for me. Set to `default' instead of, I think `/dev/mixer'.