Sorry, I thought I'd reported it. Running current OS 2008 on an N810. When run from the application menu, it usually quits after a couple of minutes. No "Loading MediaBox..." infoprint is shown, which is usually an indicator that the system hasn't received the expected DBUS registration, so kills the app. It doesn't seem to be dependent on what I'm doing, e.g. switch to the clock screen - hoping to use it as a clock at night, and wait. I thought it was connected to screen dimming (timeout is set to 2 mins), but it's not. The same quit doesn't occur when run from the command line.
python -c "import osso"
python -c "import hildon"