Application: knotify4 (4.0)
KDE Platform Version: 4.10.1
Qt Version: 4.8.4
Operating System: Linux 3.8.3-201.fc18.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- Unusual behavior I noticed:
the mistake is shown when there is a sound event

The crash can be reproduced every time.

-- Backtrace:
Application: KNotify (knotify4), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
81	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f628bc10880 (LWP 3855))]

Thread 2 (Thread 0x7f627f14b700 (LWP 3856)):
#0  0x0000003144ae998d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000003147247d24 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f6278002c00, timeout=-1, context=0x7f62780009a0) at gmain.c:3584
#2  g_main_context_iterate (context=context@entry=0x7f62780009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3285
#3  0x0000003147247e44 in g_main_context_iteration (context=0x7f62780009a0, may_block=1) at gmain.c:3351
#4  0x00000031483a6126 in QEventDispatcherGlib::processEvents (this=0x7f62780008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x000000314837680f in QEventLoop::processEvents (this=this@entry=0x7f627f14acd0, flags=...) at kernel/qeventloop.cpp:149
#6  0x0000003148376a98 in QEventLoop::exec (this=0x7f627f14acd0, flags=...) at kernel/qeventloop.cpp:204
#7  0x0000003148278980 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#8  0x000000314835703f in QInotifyFileSystemWatcherEngine::run (this=0x10c8850) at io/qfilesystemwatcher_inotify.cpp:256
#9  0x000000314827b95c in QThreadPrivate::start (arg=0x10c8850) at thread/qthread_unix.cpp:338
#10 0x0000003144e07d15 in start_thread (arg=0x7f627f14b700) at pthread_create.c:308
#11 0x0000003144af246d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 1 (Thread 0x7f628bc10880 (LWP 3855)):
[KCrash Handler]
#6  Phonon::Gstreamer::MediaNode::linkMediaNodeList (this=this@entry=0x1495e30, list=..., bin=0x131d170 [GstBin], tee=tee@entry=0x0, fakesink=fakesink@entry=0x0, src=src@entry=0x0) at /usr/src/debug/phonon-backend-gstreamer-4.6.3/gstreamer/medianode.cpp:352
#7  0x00007f627e2046a1 in Phonon::Gstreamer::MediaNode::link (this=0x1495e30) at /usr/src/debug/phonon-backend-gstreamer-4.6.3/gstreamer/medianode.cpp:382
#8  0x00007f627e2064a2 in Phonon::Gstreamer::MediaObject::loadingComplete (this=this@entry=0x1495e10) at /usr/src/debug/phonon-backend-gstreamer-4.6.3/gstreamer/mediaobject.cpp:396
#9  0x00007f627e2080f8 in Phonon::Gstreamer::MediaObject::handleStateChange (this=this@entry=0x1495e10, oldState=GST_STATE_NULL, newState=GST_STATE_READY) at /usr/src/debug/phonon-backend-gstreamer-4.6.3/gstreamer/mediaobject.cpp:538
#10 0x00007f627e20a5ad in qt_static_metacall (_c=QMetaObject::InvokeMetaMethod, _a=0x7fff48d0cfc0, _id=29, _o=<optimized out>) at /usr/src/debug/phonon-backend-gstreamer-4.6.3/x86_64-redhat-linux-gnu/gstreamer/moc_mediaobject.cpp:141
#11 Phonon::Gstreamer::MediaObject::qt_static_metacall (_o=0x1495e10, _c=<optimized out>, _id=29, _a=0x7fff48d0cfc0) at /usr/src/debug/phonon-backend-gstreamer-4.6.3/x86_64-redhat-linux-gnu/gstreamer/moc_mediaobject.cpp:106
#12 0x000000314838ceef in QMetaObject::activate (sender=0x14964c0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff48d0cfc0) at kernel/qobject.cpp:3539
#13 0x00007f627e20f52f in Phonon::Gstreamer::Pipeline::stateChanged (this=this@entry=0x14964c0, _t1=GST_STATE_NULL, _t2=GST_STATE_READY) at /usr/src/debug/phonon-backend-gstreamer-4.6.3/x86_64-redhat-linux-gnu/gstreamer/moc_pipeline.cpp:190
#14 0x00007f627e20fc50 in Phonon::Gstreamer::Pipeline::cb_state (bus=<optimized out>, gstMessage=<optimized out>, data=0x14964c0) at /usr/src/debug/phonon-backend-gstreamer-4.6.3/gstreamer/pipeline.cpp:381
#15 0x0000003147e0f910 in g_closure_invoke (closure=0x149b670, return_value=return_value@entry=0x0, n_param_values=2, param_values=param_values@entry=0x7fff48d0d250, invocation_hint=invocation_hint@entry=0x7fff48d0d1f0) at gclosure.c:777
#16 0x0000003147e20d08 in signal_emit_unlocked_R (node=node@entry=0x114ace0, detail=detail@entry=245, instance=instance@entry=0x1190260, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fff48d0d250) at gsignal.c:3551
#17 0x0000003147e28c8d in g_signal_emit_valist (instance=0x1190260, signal_id=<optimized out>, detail=245, var_args=var_args@entry=0x7fff48d0d4a8) at gsignal.c:3300
#18 0x0000003147e28de2 in g_signal_emit (instance=instance@entry=0x1190260, signal_id=<optimized out>, detail=<optimized out>) at gsignal.c:3356
#19 0x0000003f8aa32b3a in gst_bus_sync_signal_handler (bus=bus@entry=0x1190260 [GstBus], message=message@entry=0x115cba0 [GstMessage], data=data@entry=0x0) at gstbus.c:1145
#20 0x0000003f8aa32f52 in gst_bus_post (bus=bus@entry=0x1190260 [GstBus], message=message@entry=0x115cba0 [GstMessage]) at gstbus.c:322
#21 0x0000003f8aa40ec3 in gst_element_post_message (element=element@entry=0x148db00 [GstPlayBin2], message=0x115cba0 [GstMessage]) at gstelement.c:1853
#22 0x0000003f8aa4189c in _priv_gst_element_state_changed (element=element@entry=0x148db00 [GstPlayBin2], oldstate=oldstate@entry=GST_STATE_NULL, newstate=newstate@entry=GST_STATE_READY, pending=pending@entry=GST_STATE_PLAYING) at gstelement.c:2372
#23 0x0000003f8aa42190 in gst_element_continue_state (element=element@entry=0x148db00 [GstPlayBin2], ret=ret@entry=GST_STATE_CHANGE_SUCCESS) at gstelement.c:2437
#24 0x0000003f8aa41e0f in gst_element_change_state (element=element@entry=0x148db00 [GstPlayBin2], transition=transition@entry=GST_STATE_CHANGE_NULL_TO_READY) at gstelement.c:2798
#25 0x0000003f8aa426d8 in gst_element_set_state_func (element=0x148db00 [GstPlayBin2], state=GST_STATE_PLAYING) at gstelement.c:2717
#26 0x00007f627e20e206 in Phonon::Gstreamer::Pipeline::setState (this=0x14964c0, state=GST_STATE_PLAYING) at /usr/src/debug/phonon-backend-gstreamer-4.6.3/gstreamer/pipeline.cpp:242
#27 0x00007f627e206852 in Phonon::Gstreamer::MediaObject::requestState (this=this@entry=0x1495e10, state=state@entry=Phonon::PlayingState) at /usr/src/debug/phonon-backend-gstreamer-4.6.3/gstreamer/mediaobject.cpp:828
#28 0x00007f627e206b24 in Phonon::Gstreamer::MediaObject::play (this=0x1495e10) at /usr/src/debug/phonon-backend-gstreamer-4.6.3/gstreamer/mediaobject.cpp:234
#29 0x000000000040f019 in play (this=0x10d6370, file=...) at /usr/src/debug/kde-runtime-4.10.1/knotify/notifybysound.cpp:63
#30 NotifyBySound::notify (this=0x10b7b10, eventId=11, config=0x1113cc8) at /usr/src/debug/kde-runtime-4.10.1/knotify/notifybysound.cpp:245
#31 0x000000000040b5a7 in KNotify::emitEvent (this=this@entry=0x7fff48d0ece0, e=e@entry=0x1113cc0) at /usr/src/debug/kde-runtime-4.10.1/knotify/knotify.cpp:230
#32 0x000000000040c31a in KNotify::event (this=0x7fff48d0ece0, event=..., appname=..., contexts=..., title=..., text=..., image=..., actions=..., timeout=timeout@entry=-1, winId=winId@entry=62914817) at /usr/src/debug/kde-runtime-4.10.1/knotify/knotify.cpp:149
#33 0x000000000040c64d in KNotifyAdaptor::event (this=0x10a95e0, event=..., fromApp=..., contexts=..., title=..., text=..., image=..., actions=..., timeout=-1, winId=62914817) at /usr/src/debug/kde-runtime-4.10.1/knotify/knotify.cpp:289
#34 0x000000000040c7f0 in qt_static_metacall (_c=<optimized out>, _a=<optimized out>, _id=<optimized out>, _o=<optimized out>) at /usr/src/debug/kde-runtime-4.10.1/x86_64-redhat-linux-gnu/knotify/knotify.moc:217
#35 KNotifyAdaptor::qt_static_metacall (_o=0x1495e30, _c=21585464, _id=20042096, _a=0x7fff48d0e030) at /usr/src/debug/kde-runtime-4.10.1/x86_64-redhat-linux-gnu/knotify/knotify.moc:207
#36 0x000000000040c8cb in KNotifyAdaptor::qt_metacall (this=0x10a95e0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff48d0e030) at /usr/src/debug/kde-runtime-4.10.1/x86_64-redhat-linux-gnu/knotify/knotify.moc:259
#37 0x000000314b6230c3 in QDBusConnectionPrivate::deliverCall (this=this@entry=0xef7140, object=object@entry=0x10a95e0, msg=..., metaTypes=..., slotIdx=8) at qdbusintegrator.cpp:951
#38 0x000000314b6241c5 in QDBusConnectionPrivate::activateCall (this=this@entry=0xef7140, object=0x10a95e0, flags=flags@entry=273, msg=...) at qdbusintegrator.cpp:863
#39 0x000000314b624b36 in QDBusConnectionPrivate::activateObject (this=0xef7140, node=..., msg=..., pathStartPos=<optimized out>) at qdbusintegrator.cpp:1427
#40 0x000000314b624c2b in QDBusActivateObjectEvent::placeMetaCall (this=0x10fb3f0) at qdbusintegrator.cpp:1541
#41 0x000000314838c3ce in QObject::event (this=0x7fff48d0ece0, e=<optimized out>) at kernel/qobject.cpp:1194
#42 0x0000003a093ca5cc in QApplicationPrivate::notify_helper (this=0xf13ab0, receiver=0x7fff48d0ece0, e=0x10fb3f0) at kernel/qapplication.cpp:4562
#43 0x0000003a093cea4a in QApplication::notify (this=0x7fff48d0ecc0, receiver=0x7fff48d0ece0, e=0x10fb3f0) at kernel/qapplication.cpp:4423
#44 0x00007f628c8583c6 in KApplication::notify (this=0x7fff48d0ecc0, receiver=0x7fff48d0ece0, event=0x10fb3f0) at /usr/src/debug/kdelibs-4.10.1/kdeui/kernel/kapplication.cpp:311
#45 0x0000003148377abe in QCoreApplication::notifyInternal (this=0x7fff48d0ecc0, receiver=receiver@entry=0x7fff48d0ece0, event=event@entry=0x10fb3f0) at kernel/qcoreapplication.cpp:946
#46 0x000000314837b571 in sendEvent (event=0x10fb3f0, receiver=0x7fff48d0ece0) at kernel/qcoreapplication.h:231
#47 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xedd600) at kernel/qcoreapplication.cpp:1570
#48 0x00000031483a5f73 in sendPostedEvents () at kernel/qcoreapplication.h:236
#49 postEventSourceDispatch (s=s@entry=0xf14280) at kernel/qeventdispatcher_glib.cpp:279
#50 0x0000003147247a55 in g_main_dispatch (context=0xf14700) at gmain.c:2715
#51 g_main_context_dispatch (context=context@entry=0xf14700) at gmain.c:3219
#52 0x0000003147247d88 in g_main_context_iterate (context=context@entry=0xf14700, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3290
#53 0x0000003147247e44 in g_main_context_iteration (context=0xf14700, may_block=1) at gmain.c:3351
#54 0x00000031483a6106 in QEventDispatcherGlib::processEvents (this=0xedeee0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#55 0x0000003a0946a73e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#56 0x000000314837680f in QEventLoop::processEvents (this=this@entry=0x7fff48d0eb90, flags=...) at kernel/qeventloop.cpp:149
#57 0x0000003148376a98 in QEventLoop::exec (this=0x7fff48d0eb90, flags=...) at kernel/qeventloop.cpp:204
#58 0x000000314837b888 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#59 0x00000000004099d7 in main (argc=1, argv=0x7fff48d0ee28) at /usr/src/debug/kde-runtime-4.10.1/knotify/main.cpp:73

Possible duplicates by query: bug 307816, bug 305193.

Reported using DrKonqi