If I browse to a gvfs mounted samba share and try to import a song or folder, rhythmbox does nothing. There does not appear to be any errors in .xsession-errors either.
Thank you for the bug report. This particular bug has already been reported into our bug tracking system, but please feel free to report any further bugs you find.
Fedora Bugzappers volunteer triage team
*** This bug has been marked as a duplicate of bug 588146 ***