Phonon on Mac crash

[ahmdsd_ostora]

I tried to run the phonon example code, Music player Example, came with the sdk. It runs well on Windows, but crashes while starting on Mac OS Snow Leopard 10.6.8. This is the crash details:

crash line:
audioOutput = new Phonon::AudioOutput(Phonon::MusicCategory, this);

crash log and call stack:
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000008
Crashed Thread: 0 Dispatch queue: com.apple.main-thread

Thread 0 Crashed: Dispatch queue: com.apple.main-thread
0 QtCore 0x0000000100e9c8f2 QObject::moveToThread(QThread*) + 34
1 QtDBus 0x00000001010b4912 _q_sessionBus() + 162
2 QtDBus 0x00000001010b4a71 QDBusConnection::sessionBus() + 17
3 phonon 0x000000010001beab Phonon::FactoryPrivate::FactoryPrivate() + 219
4 phonon 0x000000010001edc2 Phonon::Factory::registerFrontendObject(Phonon::MediaNodePrivate*) + 146
5 phonon 0x0000000100028f92 Phonon::MediaNodePrivate::MediaNodePrivate(Phonon::MediaNodePrivate::CastId) + 82
6 phonon 0x00000001000137bf Phonon::AudioOutput::AudioOutput(Phonon::Category, QObject*) + 63
7 com.yourcompany.qmusicplayer 0x00000001000026cc MainWindow::MainWindow() + 108
8 com.yourcompany.qmusicplayer 0x00000001000024a2 main + 114
9 com.yourcompany.qmusicplayer 0x0000000100002404 start + 52

[jryuen]

I also met a problem in using phonon on mac, but it came up after
I quit the QT example app(QTmediaplayer.app). Did you met the problem likes me?