https://bugs.kde.org/show_bug.cgi?id=358814
--- Comment #2 from Alexander Miroshnichenko ---
(gdb) bt
#0 0x03a226c8dd89 in syscall () from /lib64/libc.so.6
#1 0x03a21bec9606 in g_cond_wait (cond=cond@entry=0x3a21c172f20
, mutex=mutex@entry=0x3a21c172f30 ) at
/usr/src/debug/dev-libs/glib-2.44.1-r1/glib-2.44.1/glib/gthread-posix.c:1395
#2 0x03a21bea4573 in g_once_init_enter
(location=location@entry=0x3a1b8370df8 ) at
/usr/src/debug/dev-libs/glib-2.44.1-r1/glib-2.44.1/glib/gthread.c:649
#3 0x03a1b8096c6c in gst_object_get_type () at
/usr/src/debug/media-libs/gstreamer-0.10.36-r2/gstreamer-0.10.36/gst/gstobject.c:175
#4 0x03a1b80ee9a4 in gst_registry_get_type () at
/usr/src/debug/media-libs/gstreamer-0.10.36-r2/gstreamer-0.10.36/gst/gstregistry.c:199
#5 0x03a1b80eeced in gst_registry_get_default () at
/usr/src/debug/media-libs/gstreamer-0.10.36-r2/gstreamer-0.10.36/gst/gstregistry.c:324
#6 0x03a1b83996d3 in Phonon::Gstreamer::EffectManager::EffectManager
(this=0x28ad4fefb0, backend=) at
/usr/src/debug/media-libs/phonon-gstreamer-4.7.2/phonon-backend-gstreamer-4.7.2/gstreamer/effectmanager.cpp:44
#7 0x03a1b838c261 in Phonon::Gstreamer::Backend::Backend
(this=this@entry=0x28ad376b30, parent=parent@entry=0x0) at
/usr/src/debug/media-libs/phonon-gstreamer-4.7.2/phonon-backend-gstreamer-4.7.2/gstreamer/backend.cpp:117
#8 0x03a1b838c726 in qt_plugin_instance () at
/usr/src/debug/media-libs/phonon-gstreamer-4.7.2/phonon-backend-gstreamer-4.7.2-qt5/gstreamer/moc_backend.cpp:248
#9 0x03a22770824f in QPluginLoader::instance
(this=this@entry=0x3c2f1d1b6e0) at plugin/qpluginloader.cpp:192
#10 0x03a21a42a4e8 in Phonon::FactoryPrivate::tryCreateBackend
(this=this@entry=0x28ad371d20, path=...) at
/usr/src/debug/media-libs/phonon-4.7.2/phonon-4.7.2/phonon/factory.cpp:117
#11 0x03a21a42c9aa in Phonon::FactoryPrivate::createSuitableBackend
(this=this@entry=0x28ad371d20, libPath=..., plugins=...) at
/usr/src/debug/media-libs/phonon-4.7.2/phonon-4.7.2/phonon/factory.cpp:215
#12 0x03a21a42d183 in Phonon::FactoryPrivate::createBackend
(this=this@entry=0x28ad371d20) at
/usr/src/debug/media-libs/phonon-4.7.2/phonon-4.7.2/phonon/factory.cpp:299
#13 0x03a21a42da25 in Phonon::Factory::backend
(createWhenNull=createWhenNull@entry=true) at
/usr/src/debug/media-libs/phonon-4.7.2/phonon-4.7.2/phonon/factory.cpp:571
#14 0x03a21a42e076 in Phonon::Factory::createAudioOutput
(parent=0x28ad389be0) at
/usr/src/debug/media-libs/phonon-4.7.2/phonon-4.7.2/phonon/factory.cpp:466
#15 0x03a21a42113d in Phonon::AudioOutputPrivate::createBackendObject
(this=0x28ad371d70) at
/usr/src/debug/media-libs/phonon-4.7.2/phonon-4.7.2/phonon/audiooutput.cpp:130
#16 0x03a21a41e355 in Phonon::AudioOutputPrivate::init (this=0x28ad371d70,
c=Phonon::NotificationCategory) at
/usr/src/debug/media-libs/phonon-4.7.2/phonon-4.7.2/phonon/audiooutput.cpp:97
#17 0x03a2235f59d2 in NotifyByAudio::notify (this=0x28ad36bf80,
notification=0x28ace49270, config=0x3c2f1d1bd10) at
/usr/src/debug/kde-frameworks/knotifications-5.18.0/knotifications-5.18.0/src/notifybyaudio.cpp:53
#18 0x03a2235d5e9b in KNotificationManager::notify (this=0x3a22380f030
<(anonymous namespace)::Q_QGS_s_self::innerFunction()::holder>,
n=n@entry=0x28ace49270)
at
/usr/src/debug/kde-frameworks/knotifications-5.18.0/knotifications-5.18.0/src/knotificationmanager.cpp:205
#19 0x03a2235d3030 in KNotification::sendEvent (this=0x28ace49270) at
/usr/src/debug/kde-frameworks/knotifications-5.18.0/knotifications-5.18.0/src/knotification.cpp:398
#20 0x03a22774c92a in QObject::event (this=0x28ace49270, e=)
at kernel/qobject.cpp:1239
#21 0x03a2284891fc in QApplicationPrivate::notify_helper
(this=this@entry=0x28ab58cc00, receiver=receiver@entry=0x28ace49270,
e=e@entry=0x28ad36a540) at kernel/qapplication.cpp:3716
#22 0x03a22848ecc2 in QApplication::notify (this=0x3c2f1d1dfd0,
receiver=0x28ace49270, e=0x28ad36a540) at kernel/qapplication.cpp:3499
#23 0x03a22771b64d in QCoreApplication::notifyInternal (this=0x3c2f1d1dfd0,
receiver=0x28ace49270, event=event@entry=0x28ad36a540) at
kernel/qcoreapplication.cpp:965
#24 0x03a22771ee03 in QCoreApplication::sendEvent (event=0x28ad36a540,
receiver=) at kernel/qcoreapplication.h:224
#25 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0,
event_type=event_type@entry=0, data=0x28ab588610) at
kernel/qcoreapplication.cpp:1593
#26 0x03a22771f42e in QCoreApplication::sendPostedEvents
(receiver=receiver@entry=0x0, event_type=event_type@entry=0) at
kernel/qcoreapplication.cpp:1451
#27 0x03a227776009 in postEventSourceDispatch (s=0x28ab6f2a30) at
kernel/qeventdispatcher_glib.cpp:271
#28 0x03a21be7405c in g_main_dispatch (context=0x3a216f0) at
/usr/src/debug/dev-libs/glib-2.44.1-r1/glib-2.44.1/glib/gmain.c:3122
#29 g_main_context_dispatch (context=context@entry=0x3a216f0) at
/usr/src/debug/dev-libs/glib-2.44.1-r1/glib-2.44.1/glib/gmain.c:3737
#
