* frame #0: 0x00007fff84feff72 libsystem_kernel.dylib`mach_msg_trap + 10
    frame #1: 0x00007fff84fef3b3 libsystem_kernel.dylib`mach_msg + 55
    frame #2: 0x00007fff937493e8 CoreAudio`HALC_System_GetObjectInfo + 128
    frame #3: 0x00007fff9374933e CoreAudio`HALC_ProxySystem::GetObjectInfo(unsigned int, unsigned int&, unsigned int&, unsigned int&) + 28
    frame #4: 0x00007fff9373cbd0 CoreAudio`HALC_ProxyObjectMap::_CopyObjectByObjectID(unsigned int) + 224
    frame #5: 0x00007fff9373ca47 CoreAudio`HALC_ProxyObjectMap::CopyObjectByObjectID(unsigned int) + 67
    frame #6: 0x00007fff937487cc CoreAudio`HALC_ShellSimpleProxyList::Reconcile(bool, bool) + 638
    frame #7: 0x00007fff93747d05 CoreAudio`HALC_ShellPlugIn::ConnectToServer() + 127
    frame #8: 0x00007fff93745418 CoreAudio`HAL_HardwarePlugIn_InitializeWithObjectID(AudioHardwarePlugInInterface**, unsigned int) + 56
    frame #9: 0x00007fff937442b2 CoreAudio`HALPlugInManagement::CreateHALPlugIn(HALCFPlugIn const*) + 1242
    frame #10: 0x00007fff93743260 CoreAudio`HALPlugInManagement::Initialize() + 306
    frame #11: 0x00007fff9373b4f7 CoreAudio`HALSystem::CheckOutInstance() + 147
    frame #12: 0x00007fff9375aa45 CoreAudio`AudioObjectSetPropertyData + 132
    frame #13: 0x0000000100daa15d liboculus_p2p.dylib`webrtc::AudioDeviceMac::Init(this=0x00007ffe75805000) + 493 at audio_device_mac.cc:305
    frame #14: 0x0000000100da7c2b liboculus_p2p.dylib`webrtc::AudioDeviceModuleImpl::Init(this=0x00007ffe75803000) + 43 at audio_device_impl.cc:523
    frame #15: 0x0000000100d5f494 liboculus_p2p.dylib`webrtc::VoEBaseImpl::Init(this=0x00007ffe77005400, external_adm=0x0000000000000000, audioproc=0x0000000000000000) + 500 at voe_base_impl.cc:274
    frame #16: 0x0000000100c1217d liboculus_p2p.dylib`cricket::WebRtcVoiceEngine::InitInternal(this=0x00007ffe75319b68) + 189 at webrtcvoiceengine.cc:581
    frame #17: 0x0000000100c11ff2 liboculus_p2p.dylib`cricket::WebRtcVoiceEngine::Init(this=0x00007ffe75319b68, worker_thread=<unavailable>) + 114 at webrtcvoiceengine.cc:557
    frame #18: 0x0000000100bfcee2 liboculus_p2p.dylib`cricket::CompositeMediaEngine<cricket::WebRtcVoiceEngine, cricket::WebRtcVideoEngine2>::Init(this=0x00007ffe75319b60, worker_thread=<unavailable>) + 18 at mediaengine.h:130
    frame #19: 0x00000001010ce663 liboculus_p2p.dylib`rtc::FunctorMessageHandler<bool, rtc::MethodFunctor0<cricket::ChannelManager, bool (cricket::ChannelManager::*)(), bool> >::OnMessage(rtc::Message*) [inlined] rtc::MethodFunctor0<cricket::ChannelManager, bool (cricket::ChannelManager::*)(), bool>::operator()() const + 35 at bind.h:140
    frame #20: 0x00000001010ce649 liboculus_p2p.dylib`rtc::FunctorMessageHandler<bool, rtc::MethodFunctor0<cricket::ChannelManager, bool (cricket::ChannelManager::*)(), bool> >::OnMessage(this=0x00007000005b1d98, msg=<unavailable>) + 9 at messagehandler.h:44
    frame #21: 0x0000000100f73ea9 liboculus_p2p.dylib`rtc::Thread::ReceiveSendsFromThread(this=<unavailable>, source=<unavailable>) + 249 at thread.cc:403
    frame #22: 0x0000000100f5b452 liboculus_p2p.dylib`rtc::MessageQueue::Get(this=<unavailable>, pmsg=<unavailable>, cmsWait=<unavailable>, process_io=<unavailable>) + 146 at messagequeue.cc:233
    frame #23: 0x0000000100f73a6b liboculus_p2p.dylib`rtc::Thread::Run() + 39 at thread.cc:477
    frame #24: 0x0000000100f73a44 liboculus_p2p.dylib`rtc::Thread::Run(this=0x00007ffe736351a0) + 20 at thread.cc:311
    frame #25: 0x0000000100f7388d liboculus_p2p.dylib`rtc::Thread::PreRun(pv=0x00007ffe75135dd0) + 173 at thread.cc:303
    frame #26: 0x00007fff87be699d libsystem_pthread.dylib`_pthread_body + 131
    frame #27: 0x00007fff87be691a libsystem_pthread.dylib`_pthread_start + 168
    frame #28: 0x00007fff87be4351 libsystem_pthread.dylib`thread_start + 13