Comment 9 for bug 274577

I am getting the same error running wesnoth. I already deleted ~/.wesnoth and I do have libasound2-plugins installed. When I run wesnoth from the terminal, I get an error identical to the the terminal error reported by M Dewitt, preceded by this line:

   ALSA lib pcm_pulse.c:629:(pulse_prepare) PulseAudio: Unable to create stream: Invalid argument

Let me know if you want any additional information.