I have the same issue, mostly occurs when emesene audio notifications are played.
Makes no difference which combination of auto / alsa / oss I select in the pulseaudio configuration GUI. -- audio crackling with multiple streams, sometimes during simple mouse cursor interactions with gnome desktop - AC'97 https://bugs.launchpad.net/bugs/335955 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs