Crash when game comes back background Android

Hello,

We were developing our game for Android and we have a crash always coming back from background

Logcat:

07-06 09:25:37.104: W/InputDispatcher(754): Attempted to unregister already unregistered input channel ‘2fd572db org.cocos2dx.TEST/org.cocos2dx.javascript.AppActivity (server)’
07-06 09:25:37.104: W/WindowManager(754): Force-removing child win Window{8f8d24 u0 SurfaceView} from container Window{2fd572db u0 org.cocos2dx.TEST/org.cocos2dx.javascript.AppActivity}
07-06 09:25:37.123: W/WindowManager(754): Failed looking up window
07-06 09:25:37.123: W/WindowManager(754): java.lang.IllegalArgumentException: Requested window android.os.BinderProxy@32ae61b7 does not exist

I dont think is our code because even in the moonwarrior showcase[1] we receive the same error.

Is there any fix? We have tried in 3.3 and 3.6

[1] http://www.cocos2d-x.org/wiki/MoonWarriors_-_Cocos2d-JS_Showcase