PROBLEM! CoreAnimation: updates deferred for too long

Hi!

I have a problem when running my game on iOS.

When I suspend the application by pressing the Home or Start button and then come back into the app it sometimes gives me the Warning: 

backboardd[28] <Warning>: CoreAnimation: updates deferred for too long

(no more warnings/errors)

and this makes the accelerometer acting weird for some seconds (5-10 sec). The accelerometer is not responding directly, it takes like 2 seconds for it to respond. After 5-10 seconds the accelerometer goes back to normal. 

I remove all Runtime events when I suspend and then turn them back on when I resume.

Please help!

EDIT:: I use ads. should I also somehow disable them on suspend?

I also pause all  sprite animations on suspend…