phonon-backend-gstreamer-dbg 4:4.7.2+git20140710-0ubuntu1 (amd64 binary) in ubuntu utopic

 This package contains debugging symbols for the Phonon GStreamer 1.0.x
 backend. If you have a problem with this backend and wish to debug it or you
 have been asked to provide a backtrace of the crash inside the Phonon
 internals, you may find this package useful.