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[James Henstridge <james.henstridge@xxxxxxxxxxxxx>]

For what it is worth, I managed to catch a segfault on shutdown of
music-app (i.e. swiping vertically in the app spread) on the phone.  I
couldn't get a usable apport crash dump, but managed to catch it in gdb.

This is with libdbus-cpp 4.3.0+15.04.20151126-0ubuntu1 and libmedia-hub-
client 4.0.0+15.04.20151209-0ubuntu1 installed.

** Attachment added: "stacktrace.txt"
   https://bugs.launchpad.net/music-app/+bug/1526877/+attachment/4536742/+files/stacktrace.txt

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https://bugs.launchpad.net/bugs/1526877

Title:
  Dbus errors in the console when closing the music-app

Status in Ubuntu Music App:
  New
Status in dbus-cpp package in Ubuntu:
  New
Status in media-hub package in Ubuntu:
  New
Status in dbus-cpp package in Ubuntu RTM:
  New
Status in media-hub package in Ubuntu RTM:
  New

Bug description:
  Due to bug 1434584 being fixed when you swipe to close an application
  the following appears in the log, note the dbus errors, and that I am
  not able to reproduce this on the desktop.

  
  ** Application is now inactive
  Attempted to deliver an event to a non-existent window, ignoring.
  virtual bool QMediaPlaylist::setMediaObject(QMediaObject*)
  void QMediaPlaylistPrivate::syncControls(QMediaPlaylistControl*, QMediaPlaylistControl*)
  void AalMediaPlayerService::deletePlaylistControl()
  virtual AalMediaPlaylistProvider::~AalMediaPlaylistProvider()
  void AalMediaPlaylistProvider::disconnect_signals()
  virtual AalMediaPlaylistControl::~AalMediaPlaylistControl()
  void AalMediaPlayerService::deleteMediaPlayerControl()
  void AalMediaPlayerService::destroyPlayerSession()
  PlaybackStatusChanged signal arrived via the bus (Status: PlaybackStatus::ready)
  PlaybackStatusChanged signal arrived via the bus (Status: PlaybackStatus::stopped)
  OnTrackListReset signal arrived via the bus.
  Attempted to unregister path (path[0] = com path[1] = canonical) which isn't registered
  process 6617: arguments to dbus_connection_close() were incorrect, assertion "connection->generation == _dbus_current_generation" failed in file ../../dbus/dbus-connection.c line 2935.
  This is normally a bug in some application using the D-Bus library.
  process 6617: arguments to dbus_connection_unref() were incorrect, assertion "connection->generation == _dbus_current_generation" failed in file ../../dbus/dbus-connection.c line 2822.
  This is normally a bug in some application using the D-Bus library.
  process 6617: arguments to dbus_connection_unref() were incorrect, assertion "connection->generation == _dbus_current_generation" failed in file ../../dbus/dbus-connection.c line 2822.
  This is normally a bug in some application using the D-Bus library.
  process 6617: arguments to dbus_connection_close() were incorrect, assertion "connection->generation == _dbus_current_generation" failed in file ../../dbus/dbus-connection.c line 2935.
  This is normally a bug in some application using the D-Bus library.
  process 6617: arguments to dbus_connection_unref() were incorrect, assertion "connection->generation == _dbus_current_generation" failed in file ../../dbus/dbus-connection.c line 2822.
  This is normally a bug in some application using the D-Bus library.
  process 6617: arguments to dbus_connection_unref() were incorrect, assertion "connection->generation == _dbus_current_generation" failed in file ../../dbus/dbus-connection.c line 2822.
  This is normally a bug in some application using the D-Bus library.
  Sdk-Launcher> Stopping Application
  Sdk-Launcher> The Application exited, cleaning up
  Sdk-Launcher> Finished

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