Ubuntu
alsa-driver package

  1. Bug #548661
  2. Comment #7

Comment 7 for bug 548661

Revision history for this message
komputes (komputes) wrote : Re: sound only from built-in speakers, not headpones

> This started happening on Karmic after I ran a Mumble session, and has continued into a Lucid upgrade.

I would ask that you test a new user and a Lucid LiveCD to test to see if the issue is reproducible.

http://cdimage.ubuntu.com/daily-live/current/