On 12/02/2011 04:54 AM, Tony Bernardin wrote: > Sorry if I'm posting this question in the wrong list. I've been trying > to search for this issue, but have been unsuccessful so far with not > even a hint at what I could try to get to the bottom of this. I'm not > very familiar with the sound system. > > The symptom: regular hiccup in the sound output. > > What I've found: > launching the pulseaudio daemon with -v showed that it is constantly > changing the port of the sync: Changing port when you plug something in/out is a part of my jack detection patches, and implemented in Ubuntu 11.10. Is it changing even though you're not actually plugging headphones in and out repeatedly? If so, I suspect that your hardware might be broken. -- David Henningsson, Canonical Ltd. http://launchpad.net/~diwic