系统服务起不来，导致播放失败，重启就OK，请问可能什么原因引起

报错代码

07-11 15:35:28.862 I/ServiceManager( 164): service 'media.audio_flinger' died

07-11 15:35:28.863 W/HttpProxyCacheServer( 8851): Failed to close socket on proxy side: shutdown failed: ENOTCONN (Transport endpoint is not connected). It seems client have already closed connection.

07-11 15:35:28.864 W/AudioSystem( 475): AudioPolicyService server died!

07-11 15:35:28.864 W/AudioSystem( 475): AudioFlinger server died!

07-11 15:35:28.864 W/IMediaDeathNotifier( 8851): media server died

07-11 15:35:28.864 E/MediaPlayer( 8851): error (100, 0)

07-11 15:35:28.864 E/MediaPlayer( 8851): error (100, 0)