Same problem here with the "PCM2902 Audio CODEC" USB device. And yes, this looks like a duplicate of Bug #1067700. Please confirm and close one of them as a duplicate. I will attach the output of "gnome-control-center sound -v".
** Attachment added: "output of "gnome-control-center sound -v"" https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1096424/+attachment/3698092/+files/sound.output -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1096424 Title: Sound settings crash with USB sound device To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1096424/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs