Comment 4 for bug 242007

An alternate work-around if you still want to output sound through Pulse is to install the Flash Player 10 beta as described at http://ubuntuforums.org/showthread.php?p=5150877 and then configure your .asoundrc as describe at http://wvarner.blogspot.com/2008/05/firefox-crashing-on-youtube-in-ubuntu.html