Application that crashed: amarok
Version of the application: 2.2-GIT-NEON
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.28-14-generic i686
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
A few days ago I was able to start amarok nightly. Today I have tried but it generates an automatic crash report an fails to start.

 -- Backtrace:
Application: Amarok (amarok), signal: Segmentation fault
[Current thread is 0 (LWP 16027)]

Thread 5 (Thread 0xb153cb90 (LWP 16030)):
#0  0xb7ff9430 in __kernel_vsyscall ()
#1  0xb4761412 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb66c7344 in pthread_cond_timedwait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb23d4ae3 in metronom_sync_loop (this=0x8728488) at metronom.c:870
#4  0xb475d4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0xb66b849e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 4 (Thread 0xb0c86b90 (LWP 16031)):
#0  0xb66c7494 in pthread_mutex_lock () from /lib/tls/i686/cmov/libc.so.6
#1  0xb43165de in IA__g_main_context_query (context=0x8729e08, max_priority=2147483647, timeout=0xb0c861d4, fds=0x8618c28, n_fds=1) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2194
#2  0xb431ae1c in g_main_context_iterate (context=0x8729e08, block=1, dispatch=1, self=0x8729c88) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2430
#3  0xb431b268 in IA__g_main_context_iteration (context=0x8729e08, may_block=1) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2511
#4  0xb6995317 in QEventDispatcherGlib::processEvents (this=0x8618bb8, flags={i = -1329044904}) at kernel/qeventdispatcher_glib.cpp:329
#5  0xb69681fa in QEventLoop::processEvents (this=0xb0c862d0, flags={i = -1329044840}) at kernel/qeventloop.cpp:149
#6  0xb6968642 in QEventLoop::exec (this=0xb0c862d0, flags={i = -1329044776}) at kernel/qeventloop.cpp:201
#7  0xb6871e19 in QThread::exec (this=0x8617788) at thread/qthread.cpp:487
#8  0xb242220a in Phonon::Xine::XineThread::run (this=0x8617788) at /build/buildd/phonon-4.3.1/xine/xinethread.cpp:143
#9  0xb6875132 in QThreadPrivate::start (arg=0x8617788) at thread/qthread_unix.cpp:188
#10 0xb475d4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#11 0xb66b849e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 3 (Thread 0xaca84b90 (LWP 16041)):
#0  0xb7ff9430 in __kernel_vsyscall ()
#1  0xb47610e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb66c72ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb23e5d8e in ao_loop (this_gen=0x905ff38) at audio_out.c:348
#4  0xb475d4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0xb66b849e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0xac283b90 (LWP 16043)):
#0  0xb7ff9430 in __kernel_vsyscall ()
#1  0xb47610e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb66c72ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb23e5d8e in ao_loop (this_gen=0x91bf0d0) at audio_out.c:348
#4  0xb475d4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0xb66b849e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb3cf9710 (LWP 16027)):
[KCrash Handler]
#5  0xb5a66e35 in Phonon::PathPrivate::phononObjectDestroyed (this=0x86a9780, mediaNodePrivate=0x872d1f0) at /build/buildd/phonon-4.3.1/phonon/path.cpp:392
#6  0xb5a64142 in ~MediaNodePrivate (this=0x872d1f0) at /build/buildd/phonon-4.3.1/phonon/medianode.cpp:71
#7  0xb5a69dfc in ~VolumeFaderEffectPrivate (this=0x872d1f0) at /build/buildd/phonon-4.3.1/phonon/effect_p.h:40
#8  0xb5a63b0f in ~MediaNode (this=0x872de30) at /build/buildd/phonon-4.3.1/phonon/medianode.cpp:57
#9  0xb5a68496 in ~Effect (this=0x872de28) at /build/buildd/phonon-4.3.1/phonon/effect.cpp:38
#10 0xb5a69cb3 in ~VolumeFaderEffect (this=0x872de28) at /build/buildd/phonon-4.3.1/phonon/volumefadereffect.h:51
#11 0xb7abacb0 in EngineController::initializePhonon () from /opt/amarok-nightly/lib/libamaroklib.so.1
#12 0xb7abf440 in EngineController::qt_metacall () from /opt/amarok-nightly/lib/libamaroklib.so.1
#13 0xb697f1b8 in QMetaObject::activate (sender=0x86adea8, from_signal_index=6, to_signal_index=6, argv=0xbf912c7c) at kernel/qobject.cpp:3113
#14 0xb697fe42 in QMetaObject::activate (sender=0x86adea8, m=0xb5a8a408, local_signal_index=2, argv=0xbf912c7c) at kernel/qobject.cpp:3187
#15 0xb5a6a2e3 in Phonon::AudioOutput::outputDeviceChanged (this=0x86adea8, _t1=@0xbf912d80) at /build/buildd/phonon-4.3.1/obj-i486-linux-gnu/phonon/moc_audiooutput.cpp:177
#16 0xb5a6b33c in Phonon::AudioOutputPrivate::handleAutomaticDeviceChange (this=0x869ce38, device2=@0xbf912d80, type=Phonon::AudioOutputPrivate::FallbackChange)
    at /build/buildd/phonon-4.3.1/phonon/audiooutput.cpp:365
#17 0xb5a6be2a in Phonon::AudioOutputPrivate::_k_audioDeviceFailed (this=0x869ce38) at /build/buildd/phonon-4.3.1/phonon/audiooutput.cpp:314
#18 0xb5a6d3c6 in Phonon::AudioOutput::qt_metacall (this=0x86adea8, _c=QMetaObject::InvokeMetaMethod, _id=10, _a=0xbf912e48)
    at /build/buildd/phonon-4.3.1/obj-i486-linux-gnu/phonon/moc_audiooutput.cpp:115
#19 0xb697f1b8 in QMetaObject::activate (sender=0x869dc90, from_signal_index=5, to_signal_index=5, argv=0x0) at kernel/qobject.cpp:3113
#20 0xb697fe42 in QMetaObject::activate (sender=0x869dc90, m=0xb2469c44, local_signal_index=1, argv=0x0) at kernel/qobject.cpp:3187
#21 0xb2436eb7 in Phonon::Xine::AudioOutput::audioDeviceFailed (this=0x869dc90) at /build/buildd/phonon-4.3.1/obj-i486-linux-gnu/xine/audiooutput.moc:95
#22 0xb2436f7d in Phonon::Xine::AudioOutput::qt_metacall (this=0x869dc90, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x872d390)
    at /build/buildd/phonon-4.3.1/obj-i486-linux-gnu/xine/audiooutput.moc:77
#23 0xb69788cb in QMetaCallEvent::placeMetaCall (this=0x872c5d8, object=0x869dc90) at kernel/qobject.cpp:477
#24 0xb697a3b0 in QObject::event (this=0x869dc90, e=0x872c5d8) at kernel/qobject.cpp:1111
#25 0xb2437191 in Phonon::Xine::AudioOutput::event (this=0x869dc90, ev=0x0) at /build/buildd/phonon-4.3.1/xine/audiooutput.cpp:357
#26 0xb6db7d3c in QApplicationPrivate::notify_helper (this=0x86238a0, receiver=0x869dc90, e=0x872c5d8) at kernel/qapplication.cpp:4056
#27 0xb6dc003e in QApplication::notify (this=0xbf91409c, receiver=0x869dc90, e=0x872c5d8) at kernel/qapplication.cpp:3603
#28 0xb7e2749d in KApplication::notify (this=0xbf91409c, receiver=0x869dc90, event=0x872c5d8) at /build/buildd/kde4libs-4.3.2/kdeui/kernel/kapplication.cpp:302
#29 0xb6969bcb in QCoreApplication::notifyInternal (this=0xbf91409c, receiver=0x869dc90, event=0x872c5d8) at kernel/qcoreapplication.cpp:610
#30 0xb696a825 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x85630d8) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#31 0xb696aa1d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1140
#32 0xb69956af in postEventSourceDispatch (s=0x86254a0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#33 0xb4317b88 in IA__g_main_context_dispatch (context=0x8625420) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:1814
#34 0xb431b0eb in g_main_context_iterate (context=0x8625420, block=1, dispatch=1, self=0x86233b8) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2448
#35 0xb431b268 in IA__g_main_context_iteration (context=0x8625420, may_block=1) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2511
#36 0xb69952f8 in QEventDispatcherGlib::processEvents (this=0x8562cc0, flags={i = -1081002744}) at kernel/qeventdispatcher_glib.cpp:327
#37 0xb6e59a75 in QGuiEventDispatcherGlib::processEvents (this=0x8562cc0, flags={i = -1081002696}) at kernel/qguieventdispatcher_glib.cpp:202
#38 0xb69681fa in QEventLoop::processEvents (this=0xbf913688, flags={i = -1081002632}) at kernel/qeventloop.cpp:149
#39 0xb6968642 in QEventLoop::exec (this=0xbf913688, flags={i = -1081002308}) at kernel/qeventloop.cpp:201
#40 0xb7ebc206 in KWallet::Wallet::openWallet (name=@0xbf913748, w=0, ot=KWallet::Wallet::Synchronous) at /build/buildd/kde4libs-4.3.2/kdeui/util/kwallet.cpp:252
#41 0xad84ae98 in ?? () from /opt/amarok-nightly/lib/kde4/amarok_service_lastfm.so
#42 0xad833552 in ?? () from /opt/amarok-nightly/lib/kde4/amarok_service_lastfm.so
#43 0xad833765 in ?? () from /opt/amarok-nightly/lib/kde4/amarok_service_lastfm.so
#44 0xb78eb77b in ?? () from /opt/amarok-nightly/lib/libamaroklib.so.1
#45 0xb7acc56b in MainWindow::init () from /opt/amarok-nightly/lib/libamaroklib.so.1
#46 0xb7ad235b in MainWindow::MainWindow () from /opt/amarok-nightly/lib/libamaroklib.so.1
#47 0xb7aaa591 in App::continueInit () from /opt/amarok-nightly/lib/libamaroklib.so.1
#48 0xb7aac81e in App::App () from /opt/amarok-nightly/lib/libamaroklib.so.1
#49 0x08051eb6 in _start ()

Reported using DrKonqi