(gdb) thread apply all bt full 

Thread 24 (process 83308):
#0  0x9353c20e in mach_wait_until ()
No symbol table info available.
#1  0x935c3819 in nanosleep ()
No symbol table info available.
#2  0x935c36ba in usleep ()
No symbol table info available.
#3  0x8bd520cd in MythPlayer::DecoderGetFrame ()
No symbol table info available.
Previous frame inner to this frame (gdb could not unwind past this frame)

Thread 23 (process 83308):
#0  0x9353c15a in semaphore_timedwait_signal_trap ()
No symbol table info available.
#1  0x93569ce5 in _pthread_cond_wait ()
No symbol table info available.
#2  0x93598ac8 in pthread_cond_timedwait_relative_np ()
No symbol table info available.
#3  0x92ccc3c7 in CAGuard::WaitFor ()
No symbol table info available.
#4  0x92ccf3f9 in CAGuard::WaitUntil ()
No symbol table info available.
#5  0x92ccccf6 in HP_IOThread::WorkLoop ()
No symbol table info available.
#6  0x92ccc58d in HP_IOThread::ThreadEntry ()
No symbol table info available.
#7  0x92ccc4a4 in CAPThread::Entry ()
No symbol table info available.
#8  0x9356985d in _pthread_start ()
No symbol table info available.
#9  0x935696e2 in thread_start ()
No symbol table info available.

Thread 22 (process 83308):
#0  0x9353c15a in semaphore_timedwait_signal_trap ()
No symbol table info available.
#1  0x93569ce5 in _pthread_cond_wait ()
No symbol table info available.
#2  0x935b267c in pthread_cond_timedwait ()
No symbol table info available.
#3  0x8cb162e4 in QWaitCondition::wait ()
No symbol table info available.
#4  0x8b9d093d in RingBuffer::run ()
No symbol table info available.
Previous frame inner to this frame (gdb could not unwind past this frame)

Thread 21 (process 83308):
#0  0x9353c142 in semaphore_wait_signal_trap ()
No symbol table info available.
#1  0x93569cfc in _pthread_cond_wait ()
No symbol table info available.
#2  0x935b246f in pthread_cond_wait ()
No symbol table info available.
#3  0x8caad236 in QWaitCondition::wait ()
No symbol table info available.
#4  0x8bdb0ca6 in TVBrowseHelper::run ()
No symbol table info available.
#5  0x9356985d in _pthread_start ()
No symbol table info available.
#6  0x935696e2 in thread_start ()
No symbol table info available.

Thread 17 (process 83308):
#0  0x93577ad2 in select$DARWIN_EXTSN$NOCANCEL ()
No symbol table info available.
#1  0x9360ffd7 in select ()
No symbol table info available.
#2  0x8cbf00a7 in qt_safe_select ()
No symbol table info available.
#3  0x8cbf46f3 in QEventDispatcherUNIXPrivate::doSelect ()
No symbol table info available.
#4  0x8cbf4c2f in QEventDispatcherUNIX::processEvents ()
No symbol table info available.
#5  0x8cbcf321 in QEventLoop::processEvents ()
No symbol table info available.
#6  0x8cbcf65a in QEventLoop::exec ()
No symbol table info available.
#7  0x8cb14a7f in QThread::exec ()
No symbol table info available.
#8  0x8cb15846 in QThreadPrivate::start ()
No symbol table info available.
#9  0x9356985d in _pthread_start ()
No symbol table info available.
#10 0x935696e2 in thread_start ()
No symbol table info available.

Thread 16 (process 83308):
#0  0x93577ad2 in select$DARWIN_EXTSN$NOCANCEL ()
No symbol table info available.
#1  0x9360ffd7 in select ()
No symbol table info available.
#2  0x8b559a64 in MythSocketThread::run ()
No symbol table info available.

Thread 14 (process 83308):
#0  0x93577ad2 in select$DARWIN_EXTSN$NOCANCEL ()
No symbol table info available.
#1  0x9360ffd7 in select ()
No symbol table info available.
#2  0x8cbf018c in qt_safe_select ()
No symbol table info available.
#3  0x8cbf46f3 in QEventDispatcherUNIXPrivate::doSelect ()
No symbol table info available.
#4  0x8cbf4c2f in QEventDispatcherUNIX::processEvents ()
No symbol table info available.
#5  0x8cbcf321 in QEventLoop::processEvents ()
No symbol table info available.
#6  0x8cbcf65a in QEventLoop::exec ()
No symbol table info available.
#7  0x8cb14a7f in QThread::exec ()
No symbol table info available.
#8  0x8cb15846 in QThreadPrivate::start ()
No symbol table info available.
#9  0x9356985d in _pthread_start ()
No symbol table info available.
#10 0x935696e2 in thread_start ()
No symbol table info available.

Thread 11 (process 83308):
#0  0x9353c142 in semaphore_wait_signal_trap ()
No symbol table info available.
#1  0x93569cfc in _pthread_cond_wait ()
No symbol table info available.
#2  0x935b246f in pthread_cond_wait ()
No symbol table info available.
#3  0x8caad236 in QWaitCondition::wait ()
No symbol table info available.
#4  0x8b5bf30d in MythCoreContext::waitPrivRequest ()
No symbol table info available.
Previous frame inner to this frame (gdb could not unwind past this frame)

Thread 9 (process 83308):
#0  0x93577ad2 in select$DARWIN_EXTSN$NOCANCEL ()
No symbol table info available.
#1  0x9360ffd7 in select ()
No symbol table info available.
#2  0x8cbf018c in qt_safe_select ()
No symbol table info available.
#3  0x8cbf46f3 in QEventDispatcherUNIXPrivate::doSelect ()
No symbol table info available.
#4  0x8cbf4c2f in QEventDispatcherUNIX::processEvents ()
No symbol table info available.
#5  0x8cbcf321 in QEventLoop::processEvents ()
No symbol table info available.
#6  0x8cbcf65a in QEventLoop::exec ()
No symbol table info available.
#7  0x8cb14a7f in QThread::exec ()
No symbol table info available.
#8  0x8c5fdbf5 in AppleRemote::run ()
No symbol table info available.
#9  0x9356985d in _pthread_start ()
No symbol table info available.
#10 0x935696e2 in thread_start ()
No symbol table info available.

Thread 8 (process 83308):
#0  0x9353c15a in semaphore_timedwait_signal_trap ()
No symbol table info available.
#1  0x93569ce5 in _pthread_cond_wait ()
No symbol table info available.
#2  0x935b267c in pthread_cond_timedwait ()
No symbol table info available.
#3  0x8cb1547f in thread_sleep ()
No symbol table info available.
#4  0x8cb15519 in QThread::usleep ()
No symbol table info available.
#5  0x8b5d3c34 in MythSystemReaper::run ()
No symbol table info available.

Thread 7 (process 83308):
#0  0x93577ad2 in select$DARWIN_EXTSN$NOCANCEL ()
No symbol table info available.
#1  0x9360ffd7 in select ()
No symbol table info available.
#2  0x8c71246d in SSDP::run ()
No symbol table info available.

Thread 6 (process 83308):
#0  0x9353c15a in semaphore_timedwait_signal_trap ()
No symbol table info available.
#1  0x93569ce5 in _pthread_cond_wait ()
No symbol table info available.
#2  0x935b267c in pthread_cond_timedwait ()
No symbol table info available.
#3  0x8cb1547f in thread_sleep ()
No symbol table info available.
#4  0x8cb1558f in QThread::msleep ()
No symbol table info available.
#5  0x8c71652c in TaskQueue::run ()
No symbol table info available.

Thread 5 (process 83308):
#0  0x9355b0c6 in select$DARWIN_EXTSN ()
No symbol table info available.
#1  0x91c2ac83 in __CFSocketManager ()
No symbol table info available.
#2  0x9356985d in _pthread_start ()
No symbol table info available.
#3  0x935696e2 in thread_start ()
No symbol table info available.

Thread 4 (process 83308):
#0  0x93577ad2 in select$DARWIN_EXTSN$NOCANCEL ()
No symbol table info available.
#1  0x9360ffd7 in select ()
No symbol table info available.
#2  0x8cbf018c in qt_safe_select ()
No symbol table info available.
#3  0x8cbf46f3 in QEventDispatcherUNIXPrivate::doSelect ()
No symbol table info available.
#4  0x8cbf4c2f in QEventDispatcherUNIX::processEvents ()
No symbol table info available.
#5  0x8cbcf321 in QEventLoop::processEvents ()
No symbol table info available.
#6  0x8cbcf65a in QEventLoop::exec ()
No symbol table info available.
#7  0x8cb14a7f in QThread::exec ()
No symbol table info available.
#8  0x8c72826a in WorkerThread::run ()
No symbol table info available.
#9  0x9356985d in _pthread_start ()
No symbol table info available.
#10 0x935696e2 in thread_start ()
No symbol table info available.

Thread 2 (process 83308):
#0  0x93562982 in kevent ()
No symbol table info available.
#1  0x9356309c in _dispatch_mgr_invoke ()
No symbol table info available.
#2  0x93562559 in _dispatch_queue_invoke ()
No symbol table info available.
#3  0x935622fe in _dispatch_worker_thread2 ()
No symbol table info available.
#4  0x93561d81 in _pthread_wqthread ()
No symbol table info available.
#5  0x93561bc6 in start_wqthread ()
No symbol table info available.

Thread 1 (process 83308):
#0  0x9353c0fa in mach_msg_trap ()
No symbol table info available.
#1  0x9353c867 in mach_msg ()
No symbol table info available.
#2  0x98f6c46d in io_connect_method ()
No symbol table info available.
#3  0x98f1cbae in IOConnectCallMethod ()
No symbol table info available.
#4  0x29c613e5 in _WaitComplete ()
No symbol table info available.
#5  0x12803afa in IOYUVImageCodecDrawBand ()
No symbol table info available.
#6  0x90e42054 in CallComponentFunctionCommonWithStorage ()
No symbol table info available.
#7  0x12804532 in IOYUVCodecComponentDispatch ()
No symbol table info available.
#8  0x90e3a7c9 in CallComponentDispatch ()
No symbol table info available.
#9  0x9580e0b0 in ImageCodecDrawBand ()
No symbol table info available.
#10 0x9514d307 in BaseCodec_DecompressWorkFunction ()
No symbol table info available.
#11 0x9514da89 in BaseCodec_DecompressCallBack_Common ()
No symbol table info available.
#12 0x9514f763 in Base_CDBandDecompress ()
No symbol table info available.
#13 0x90e42054 in CallComponentFunctionCommonWithStorage ()
No symbol table info available.
#14 0x9514ac07 in Base_CDComponentDispatch ()
No symbol table info available.
#15 0x90e3a7c9 in CallComponentDispatch ()
No symbol table info available.
#16 0x967be2b3 in ImageCodecBandDecompress ()
No symbol table info available.
#17 0x967ac3ba in DoBandedDecompress ()
No symbol table info available.
#18 0x967a7d21 in ICMAction ()
No symbol table info available.
#19 0x967a6930 in ICMDeviceLoop ()
No symbol table info available.
#20 0x967af8be in DecompressSequenceFrameWhen ()
No symbol table info available.
#21 0x8be9324a in VideoOutputQuartzView::Show ()
No symbol table info available.