Trying to make some sense of the results from earlier comments, installed kernel 3.8.0-19-generic from precise repo, booted into it, and was able to break audio. Verbose pulseaudio log attached.
Trying to make some sense of the results from earlier comments, installed kernel 3.8.0-19-generic from precise repo, booted into it, and was able to break audio. Verbose pulseaudio log attached.