iphone: (audio) posting message to kill mediaserverd

Question

Hi guys,

i'm playing several sounds using AudioServices

AudioServicesPlaySystemSound ( aSystemSoundID );

when i test the project on the iphone (3g) attached to the machine i got this message:

2010-09-16 17:29:29.672 myProject[6528:6def] [17:29:29.672 <0x85d400>] PlaySound posting message to kill mediaserverd (5958) [Switching to thread 13059]

and / or

2010-09-16 17:30:28.316 myProject[6528:6def] [17:30:28.316 <0x85d400>] AudioQueueNew posting message to kill mediaserverd (0) Error: AudioQueueNewInput failed (0x10004003)

any idea why???

thanks!!

btw. on the simulator everything works fine