This is actually a problem with the Macromedia Flash plugin. It tries to use the OSS for sound, which is often grabbed by other devices.
** Changed in: Ubuntu Sourcepackagename: None => flashplugin-nonfree Importance: Untriaged => Medium Status: Unconfirmed => Confirmed -- updates cause sound to fail in youtube https://launchpad.net/bugs/57399 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs