Seems this is a bug in gvfs-udisks2-volume-monitor. Killing that clears the duplicates.
** Package changed: unity (Ubuntu) => gvfs (Ubuntu) -- You received this bug notification because you are a member of DX Packages, which is subscribed to unity in Ubuntu. Matching subscriptions: dx-packages https://bugs.launchpad.net/bugs/1251899 Title: every time I restart udisksd, the unity panel adds another "audio disc" icon Status in “gvfs” package in Ubuntu: New Bug description: I ended up restarting udisksd half a dozen times today while working on it and each time, unity added yet another duplicate icon for the cdrom. Tried to restart unity by running unity --replace ( why isn't it an upstart job? ), and it just died so I had to alt-sysrq-k and login again, at which point all of the duplicates were gone. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gvfs/+bug/1251899/+subscriptions -- Mailing list: https://launchpad.net/~dx-packages Post to : dx-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~dx-packages More help : https://help.launchpad.net/ListHelp