I'm also having this issue in a Zotac IONITX-L-E board (NVidia ION), running Ubuntu 12.04 LTS (minimal/server) + XBMC Eden from oficial Team-XBMC ppa. I just LOVE Aeon MQ and use it for long time already.
I also don't have PVR enabled, but even though my logs are full of:
Code:
17:12:28 T:2989098816 DEBUG: Error: Requested setting (pvrplayback.signalquality) was not found. It must be case-sensitive