phonon-backend-gstreamer-dbg 4:4.7.0really4.6.3-0ubuntu2 (arm64 binary) in ubuntu trusty

 This package contains debugging symbols for the Phonon GStreamer 0.10.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.