Application: knotify4 (4.0)
KDE Platform Version: 4.10.5
Qt Version: 4.8.5
Operating System: Linux 3.10.11-100.fc18.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- Unusual behavior I noticed:

problem if kde do start play sound or sound notifycation

The crash can be reproduced every time.

-- Backtrace:
Application: KNotify (knotify4), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7febc53ad880 (LWP 4354))]

Thread 3 (Thread 0x7febb6685700 (LWP 4355)):
#0  0x0000003b324e9a5d in poll () from /lib64/libc.so.6
#1  0x0000003b35047d24 in g_main_context_iterate.isra.24 () from /lib64/libglib-2.0.so.0
#2  0x0000003b35047e44 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x0000003b3e9a6696 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#4  0x0000003b3e9769ff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#5  0x0000003b3e976c88 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#6  0x0000003b3e8789a0 in QThread::exec() () from /lib64/libQtCore.so.4
#7  0x0000003b3e95722f in QInotifyFileSystemWatcherEngine::run() () from /lib64/libQtCore.so.4
#8  0x0000003b3e87b97c in QThreadPrivate::start(void*) () from /lib64/libQtCore.so.4
#9  0x0000003b33007d15 in start_thread () from /lib64/libpthread.so.0
#10 0x0000003b324f253d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7febab76f700 (LWP 4377)):
#0  0x0000003b324e9a5d in poll () from /lib64/libc.so.6
#1  0x0000003ef7e31d5f in poll_func () from /lib64/libpulse.so.0
#2  0x0000003ef7e232bc in pa_mainloop_poll () from /lib64/libpulse.so.0
#3  0x0000003ef7e23919 in pa_mainloop_iterate () from /lib64/libpulse.so.0
#4  0x0000003ef7e239d0 in pa_mainloop_run () from /lib64/libpulse.so.0
#5  0x0000003ef7e31d0f in thread () from /lib64/libpulse.so.0
#6  0x0000003ef8242c63 in internal_thread_func () from /usr/lib64/pulseaudio/libpulsecommon-2.1.so
#7  0x0000003b33007d15 in start_thread () from /lib64/libpthread.so.0
#8  0x0000003b324f253d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7febc53ad880 (LWP 4354)):
[KCrash Handler]
#5  0x00007febb494e446 in Phonon::Gstreamer::MediaNode::linkMediaNodeList(QList<QObject*>&, _GstElement*, _GstElement*, _GstElement*, _GstElement*) () from /usr/lib64/kde4/plugins/phonon_backend/phonon_gstreamer.so
#6  0x00007febb494e6a1 in Phonon::Gstreamer::MediaNode::link() () from /usr/lib64/kde4/plugins/phonon_backend/phonon_gstreamer.so
#7  0x00007febb49504a2 in Phonon::Gstreamer::MediaObject::loadingComplete() () from /usr/lib64/kde4/plugins/phonon_backend/phonon_gstreamer.so
#8  0x00007febb49520f8 in Phonon::Gstreamer::MediaObject::handleStateChange(GstState, GstState) () from /usr/lib64/kde4/plugins/phonon_backend/phonon_gstreamer.so
#9  0x00007febb49545ad in Phonon::Gstreamer::MediaObject::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib64/kde4/plugins/phonon_backend/phonon_gstreamer.so
#10 0x0000003b3e98d31f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /lib64/libQtCore.so.4
#11 0x00007febb495952f in Phonon::Gstreamer::Pipeline::stateChanged(GstState, GstState) () from /usr/lib64/kde4/plugins/phonon_backend/phonon_gstreamer.so
#12 0x00007febb4959c50 in Phonon::Gstreamer::Pipeline::cb_state(_GstBus*, _GstMessage*, void*) () from /usr/lib64/kde4/plugins/phonon_backend/phonon_gstreamer.so
#13 0x0000003b3700f910 in g_closure_invoke () from /lib64/libgobject-2.0.so.0
#14 0x0000003b37020d08 in signal_emit_unlocked_R () from /lib64/libgobject-2.0.so.0
#15 0x0000003b37028c8d in g_signal_emit_valist () from /lib64/libgobject-2.0.so.0
#16 0x0000003b37028de2 in g_signal_emit () from /lib64/libgobject-2.0.so.0
#17 0x0000003b55e32b3a in gst_bus_sync_signal_handler () from /lib64/libgstreamer-0.10.so.0
#18 0x0000003b55e32f52 in gst_bus_post () from /lib64/libgstreamer-0.10.so.0
#19 0x0000003b55e40ec3 in gst_element_post_message () from /lib64/libgstreamer-0.10.so.0
#20 0x0000003b55e42190 in gst_element_continue_state () from /lib64/libgstreamer-0.10.so.0
#21 0x0000003b55e41e0f in gst_element_change_state () from /lib64/libgstreamer-0.10.so.0
#22 0x0000003b55e426d8 in gst_element_set_state_func () from /lib64/libgstreamer-0.10.so.0
#23 0x00007febb4958206 in Phonon::Gstreamer::Pipeline::setState(GstState) () from /usr/lib64/kde4/plugins/phonon_backend/phonon_gstreamer.so
#24 0x00007febb4950852 in Phonon::Gstreamer::MediaObject::requestState(Phonon::State) () from /usr/lib64/kde4/plugins/phonon_backend/phonon_gstreamer.so
#25 0x00007febb4950b24 in Phonon::Gstreamer::MediaObject::play() () from /usr/lib64/kde4/plugins/phonon_backend/phonon_gstreamer.so
#26 0x000000000040f019 in NotifyBySound::notify(int, KNotifyConfig*) ()
#27 0x000000000040b5a7 in KNotify::emitEvent(KNotify::Event*) ()
#28 0x000000000040c31a in KNotify::event(QString const&, QString const&, QList<QPair<QString, QString> > const&, QString const&, QString const&, KNotifyImage const&, QStringList const&, int, unsigned long) ()
#29 0x000000000040c64d in KNotifyAdaptor::event(QString const&, QString const&, QList<QVariant> const&, QString const&, QString const&, QByteArray const&, QStringList const&, int, long long) ()
#30 0x000000000040c7f0 in KNotifyAdaptor::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) ()
#31 0x000000000040c8cb in KNotifyAdaptor::qt_metacall(QMetaObject::Call, int, void**) ()
#32 0x0000003b41622f93 in QDBusConnectionPrivate::deliverCall(QObject*, int, QDBusMessage const&, QList<int> const&, int) () from /lib64/libQtDBus.so.4
#33 0x0000003b41623fc6 in QDBusConnectionPrivate::activateCall(QObject*, int, QDBusMessage const&) () from /lib64/libQtDBus.so.4
#34 0x0000003b41624a06 in QDBusConnectionPrivate::activateObject(QDBusConnectionPrivate::ObjectTreeNode&, QDBusMessage const&, int) () from /lib64/libQtDBus.so.4
#35 0x0000003b41624afb in QDBusActivateObjectEvent::placeMetaCall(QObject*) () from /lib64/libQtDBus.so.4
#36 0x0000003b3e98c7fe in QObject::event(QEvent*) () from /lib64/libQtCore.so.4
#37 0x0000003ef47ca68c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#38 0x0000003ef47ceb0a in QApplication::notify(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#39 0x0000003ef5e455c6 in KApplication::notify(QObject*, QEvent*) () from /lib64/libkdeui.so.5
#40 0x0000003b3e977d4e in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib64/libQtCore.so.4
#41 0x0000003b3e97b9a1 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQtCore.so.4
#42 0x0000003b3e9a64e3 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQtCore.so.4
#43 0x0000003b35047a55 in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#44 0x0000003b35047d88 in g_main_context_iterate.isra.24 () from /lib64/libglib-2.0.so.0
#45 0x0000003b35047e44 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#46 0x0000003b3e9a6676 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#47 0x0000003ef486a92e in QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtGui.so.4
#48 0x0000003b3e9769ff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#49 0x0000003b3e976c88 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#50 0x0000003b3e97bcb8 in QCoreApplication::exec() () from /lib64/libQtCore.so.4
#51 0x00000000004099d7 in main ()

Possible duplicates by query: bug 317026, bug 307816.

Reported using DrKonqi