> > > Also, not to doubt you, but that seems like just a workaround. Is there
> an
> > > underlying (gstreamer?) bug behind this?
> >
> > Yes, this is just a workaround. It's probably a bug in dmix. I haven't
> > investigated any further.
> >
>
> I'm willing to do the legwork, though I'm not sure how to determine that. If
> I run RB in debug mode, gdb, etc., would that avail anything useful to
> determine what the problem is?
The first thing to do is to narrow it down a bit. If you can reproduce
the problem with gst-launch, it eliminates rhythmbox as a cause. If
you can reproduce it with aplay (or some other simple alsa program),
it eliminates gstreamer as a cause.