objective c - iOS crash 'failed to exit on time' -

objective c - iOS crash 'failed to exit on time' -

i'm looking input crash happening on ios devices. unity project , crash happens when switch scene. crash logs seems app killed watchdog process, it's unclear why? cpu loads seems fine me. happens when switching scenes in game, when test on same hardware works fine.

elapsed total cpu time (seconds): 10.480 (user 9.980, scheme 0.000), 67% cpu elapsed application cpu time (seconds): 6.617, 43% cpu application specific information: com.test.test failed exit in time

exception codes: 0x000000008badf00d highlighted thread: 0

ios objective-c unity3d