'Twas brillig, and Takashi Iwai at 10/05/11 08:39 did gyre and gimble:

At Fri, 6 May 2011 15:59:00 +0800, Raymond Yau wrote:

...

Add pa_alsa_dump when alsa-sink/alsa-source undderrun

I'm afraid this would be too annoying...

Yes, this was my concern too (sorry I didn't reply sooner, but have been at various events this last week or so). But you should really send this patch to the pulseaudio devel list where further eyes can scrutinise it.

Col