after open and forceStopPackage an android app(which use openGL-es and NativeActivity 'void android_main(struct android_app* app)') in the other main Unity App many times, got this error, and the whole screeen is black...
4321-22222/? I/Adreno: DequeueBuffer: dequeueBuffer failed
123-1111/? E/BufferQueueProducer: [SurfaceView - com.xxx/com.xxx.UnityAppActivity#1] query: BufferQueue has been abandoned
123-1111/? E/BufferQueueProducer: [SurfaceView - com.xxx/com.xxx.UnityAppActivity#1] dequeueBuffer: BufferQueue has been abandoned