So it turns out that "Gnome Volume Manager" manages _disk_ volumes. I should have said "Gnome Volume Controller", which is a part of gnome- media, I believe.
** Also affects: gnome-media (Ubuntu) Importance: Undecided Status: New -- Erratic volume control behaviour with different USB audio devices https://bugs.launchpad.net/bugs/155109 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-media in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs