What happens when you do Ember.run

ember-setup

backburner = new Backburner(
  ['syc', 'actions', 'destroy'],
  {
    GUID_KEY: GUID_KEY,
    sync: {
      before: beginPropertyChanges,
      after: endPropertyChanges
    },
    defaultQueue: 'actions',
    onBegin: onBegin,
    onEnd: onEnd,
    onErrorTarget: Ember,
    onErrorMethod: 'onerror'
  }
);