I have this problem too. Updated to Gutsy from Feisty, and now no sound on Youtube. "sudo apt-get flashplugin-nonfree" reports that I'm at the newest version, and the video portion works fine, but no sound.
-- Sound Broke in Ubuntu Gutsy firefox https://bugs.launchpad.net/bugs/151849 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs