Bug 252716

Application: knotify4 (4.0)
KDE Platform Version: 4.4.5 (KDE 4.4.5)
Qt Version: 4.6.3
Operating System: Linux 2.6.34.7-56.fc13.i686 i686
Distribution: "Fedora release 13 (Goddard)"

-- Information about the crash:
knotify likes to crash and sometimes PulseAudio crashes with it.  It doesn't play the system startup sound  or sounds from PowerDevil.

The crash can be reproduced every time.

 -- Backtrace:
Application: KNotify (knotify4), signal: Aborted
[Current thread is 1 (Thread 0xb7886780 (LWP 1806))]

Thread 7 (Thread 0xb08ffb70 (LWP 2687)):
#0  0x00110416 in __kernel_vsyscall ()
#1  0x00cc0df6 in __poll (fds=0xabd20a60, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0x05491ce3 in poll_func (ufds=0xabd20a60, nfds=1, timeout=-1, userdata=0xabd20968) at pulse/thread-mainloop.c:75
#3  0x0547e4ca in pa_mainloop_poll (m=0xabd208c8) at pulse/mainloop.c:879
#4  0x0547fd54 in pa_mainloop_iterate (m=0xabd208c8, block=1, retval=0x0) at pulse/mainloop.c:961
#5  0x0547fe34 in pa_mainloop_run (m=0xabd208c8, retval=0x0) at pulse/mainloop.c:979
#6  0x05491a84 in thread (userdata=0xabd208a8) at pulse/thread-mainloop.c:94
#7  0x054e6863 in internal_thread_func (userdata=0xabd209f8) at pulsecore/thread-posix.c:72
#8  0x00d89919 in start_thread (arg=0xb08ffb70) at pthread_create.c:301
#9  0x00ccbcce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133

Thread 6 (Thread 0xabcffb70 (LWP 2946)):
#0  0x00110416 in __kernel_vsyscall ()
#1  0x00d8d22c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S:169
#2  0x0107a283 in gst_task_func (task=0xa2bfee8) at gsttask.c:259
#3  0x0107b718 in default_func (tdata=0xa2bcc08, pool=0xa10f408) at gsttaskpool.c:68
#4  0x002c1214 in g_thread_pool_thread_proxy (data=0xa10cdf8) at gthreadpool.c:315
#5  0x002bf210 in g_thread_create_proxy (data=0xa2e0098) at gthread.c:1893
#6  0x00d89919 in start_thread (arg=0xabcffb70) at pthread_create.c:301
#7  0x00ccbcce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133

Thread 5 (Thread 0xab2feb70 (LWP 2947)):
#0  0x00110416 in __kernel_vsyscall ()
#1  0x00d8d22c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S:169
#2  0x0107a283 in gst_task_func (task=0xb1512800) at gsttask.c:259
#3  0x0107b718 in default_func (tdata=0xa0cf990, pool=0xa10f408) at gsttaskpool.c:68
#4  0x002c1214 in g_thread_pool_thread_proxy (data=0xa10cdf8) at gthreadpool.c:315
#5  0x002bf210 in g_thread_create_proxy (data=0xa2e5158) at gthread.c:1893
#6  0x00d89919 in start_thread (arg=0xab2feb70) at pthread_create.c:301
#7  0x00ccbcce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133

Thread 4 (Thread 0xb14ffb70 (LWP 2949)):
#0  0x00110416 in __kernel_vsyscall ()
#1  0x00d8d22c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S:169
#2  0x00afad9c in gst_data_queue_pop (queue=0xb150f448, item=0xb14ff13c) at gstdataqueue.c:479
#3  0x01104652 in gst_multi_queue_loop (pad=0xabd19258) at gstmultiqueue.c:1030
#4  0x0107a0b1 in gst_task_func (task=0xb1512ee8) at gsttask.c:271
#5  0x0107b718 in default_func (tdata=0xb091f738, pool=0xa10f408) at gsttaskpool.c:68
#6  0x002c1214 in g_thread_pool_thread_proxy (data=0xa10cdf8) at gthreadpool.c:315
#7  0x002bf210 in g_thread_create_proxy (data=0xabd20610) at gthread.c:1893
#8  0x00d89919 in start_thread (arg=0xb14ffb70) at pthread_create.c:301
#9  0x00ccbcce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133

Thread 3 (Thread 0xa68fcb70 (LWP 2950)):
#0  0x00110416 in __kernel_vsyscall ()
#1  0x00d8d22c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S:169
#2  0x0107a283 in gst_task_func (task=0xb0924c88) at gsttask.c:259
#3  0x0107b718 in default_func (tdata=0xa2bcbd0, pool=0xa10f408) at gsttaskpool.c:68
#4  0x002c1214 in g_thread_pool_thread_proxy (data=0xa10cdf8) at gthreadpool.c:315
#5  0x002bf210 in g_thread_create_proxy (data=0xabd20328) at gthread.c:1893
#6  0x00d89919 in start_thread (arg=0xa68fcb70) at pthread_create.c:301
#7  0x00ccbcce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133

Thread 2 (Thread 0xb2028b70 (LWP 3083)):
#0  0x00110416 in __kernel_vsyscall ()
#1  0x00d8aec5 in __pthread_mutex_lock_full (mutex=0xd9aff4) at pthread_mutex_lock.c:301
#2  0x054e5952 in pa_mutex_lock (m=0xb0919338) at pulsecore/mutex-posix.c:90
#3  0x05491ced in poll_func (ufds=0xb0919bc8, nfds=1, timeout=-1, userdata=0xb0919338) at pulse/thread-mainloop.c:76
#4  0x0547e4ca in pa_mainloop_poll (m=0xb0919298) at pulse/mainloop.c:879
#5  0x0547fd54 in pa_mainloop_iterate (m=0xb0919298, block=1, retval=0x0) at pulse/mainloop.c:961
#6  0x0547fe34 in pa_mainloop_run (m=0xb0919298, retval=0x0) at pulse/mainloop.c:979
#7  0x05491a84 in thread (userdata=0xb0906568) at pulse/thread-mainloop.c:94
#8  0x054e6863 in internal_thread_func (userdata=0xb0919358) at pulsecore/thread-posix.c:72
#9  0x00d89919 in start_thread (arg=0xb2028b70) at pthread_create.c:301
#10 0x00ccbcce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133

Thread 1 (Thread 0xb7886780 (LWP 1806)):
[KCrash Handler]
#6  0x00110416 in __kernel_vsyscall ()
#7  0x00c18d11 in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#8  0x00c1a5ea in abort () at abort.c:92
#9  0x054c9a2c in pa_memblock_unref (b=0xa7b1d028) at pulsecore/memblock.c:589
#10 0x0548e317 in stream_free (s=0xa2e2040) at pulse/stream.c:229
#11 pa_stream_unref (s=0xa2e2040) at pulse/stream.c:256
#12 0x00e2abe0 in gst_pulsering_destroy_stream (pbuf=0xa2676a0) at pulsesink.c:240
#13 0x00e2ac46 in gst_pulseringbuffer_release (buf=0xa2676a0) at pulsesink.c:849
#14 0x00e063f8 in gst_ring_buffer_release (buf=0xa2676a0) at gstringbuffer.c:907
#15 0x00e10d4e in gst_base_audio_sink_change_state (element=0xa2649b0, transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstbaseaudiosink.c:1879
#16 0x00e2b826 in gst_pulsesink_change_state (element=0xa2649b0, transition=GST_STATE_CHANGE_PAUSED_TO_READY) at pulsesink.c:2502
#17 0x01031206 in gst_element_change_state (element=0xa2649b0, transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstelement.c:2546
#18 0x010349a7 in gst_element_set_state_func (element=0xa2649b0, state=GST_STATE_READY) at gstelement.c:2502
#19 0x010305a0 in gst_element_set_state (element=0xa2649b0, state=GST_STATE_READY) at gstelement.c:2403
#20 0x010202ac in gst_bin_element_set_state (element=0xb0907f08, transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstbin.c:2136
#21 gst_bin_change_state_func (element=0xb0907f08, transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstbin.c:2435
#22 0x01031206 in gst_element_change_state (element=0xb0907f08, transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstelement.c:2546
#23 0x010349a7 in gst_element_set_state_func (element=0xb0907f08, state=GST_STATE_READY) at gstelement.c:2502
#24 0x010305a0 in gst_element_set_state (element=0xb0907f08, state=GST_STATE_READY) at gstelement.c:2403
#25 0x010202ac in gst_bin_element_set_state (element=0xb0907d78, transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstbin.c:2136
#26 gst_bin_change_state_func (element=0xb0907d78, transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstbin.c:2435
#27 0x01031206 in gst_element_change_state (element=0xb0907d78, transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstelement.c:2546
#28 0x010349a7 in gst_element_set_state_func (element=0xb0907d78, state=GST_STATE_READY) at gstelement.c:2502
#29 0x010305a0 in gst_element_set_state (element=0xb0907d78, state=GST_STATE_READY) at gstelement.c:2403
#30 0x010202ac in gst_bin_element_set_state (element=0xa266350, transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstbin.c:2136
#31 gst_bin_change_state_func (element=0xa266350, transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstbin.c:2435
#32 0x010558bb in gst_pipeline_change_state (element=0xa266350, transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstpipeline.c:475
#33 0x01031206 in gst_element_change_state (element=0xa266350, transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstelement.c:2546
#34 0x010349a7 in gst_element_set_state_func (element=0xa266350, state=GST_STATE_READY) at gstelement.c:2502
#35 0x010305a0 in gst_element_set_state (element=0xa266350, state=GST_STATE_READY) at gstelement.c:2403
#36 0x00aa5e98 in Phonon::Gstreamer::MediaObject::setState (this=0xa1d7500, newstate=Phonon::StoppedState) at /usr/src/debug/phonon-4.4.2/gstreamer/mediaobject.cpp:677
#37 0x00aa6138 in Phonon::Gstreamer::MediaObject::stop (this=0xa1d7500) at /usr/src/debug/phonon-4.4.2/gstreamer/mediaobject.cpp:1101
#38 0x05549e8d in Phonon::MediaObject::stop (this=0xa103930) at /usr/src/debug/phonon-4.4.2/phonon/mediaobject.cpp:118
#39 0x0554ae20 in Phonon::MediaObject::setCurrentSource (this=0xa103930, newSource=...) at /usr/src/debug/phonon-4.4.2/phonon/mediaobject.cpp:237
#40 0x08052ce6 in play (this=0xa08d2b0, eventId=412, config=0xa2e0ba8) at /usr/src/debug/kdebase-runtime-4.4.5/knotify/notifybysound.cpp:64
#41 NotifyBySound::notify (this=0xa08d2b0, eventId=412, config=0xa2e0ba8) at /usr/src/debug/kdebase-runtime-4.4.5/knotify/notifybysound.cpp:246
#42 0x0804e86d in KNotify::emitEvent (this=0xbf8ab6c4, e=0xa2e0ba0) at /usr/src/debug/kdebase-runtime-4.4.5/knotify/knotify.cpp:179
#43 0x0804ef2c in KNotify::event (this=0xbf8ab6c4, event=..., appname=..., contexts=..., title=..., text=..., image=..., actions=..., timeout=0, winId=0)
    at /usr/src/debug/kdebase-runtime-4.4.5/knotify/knotify.cpp:128
#44 0x0804f235 in KNotifyAdaptor::event (this=0xa08d638, event=..., fromApp=..., contexts=..., title=..., text=..., image=..., actions=..., timeout=0, winId=0)
    at /usr/src/debug/kdebase-runtime-4.4.5/knotify/knotify.cpp:236
#45 0x0804feed in KNotifyAdaptor::qt_metacall (this=0xa08d638, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbf8aacac)
    at /usr/src/debug/kdebase-runtime-4.4.5/i686-redhat-linux-gnu/knotify/knotify.moc:227
#46 0x039ea28c in QDBusConnectionPrivate::deliverCall (this=0xa018ae0, object=0xa08d638, msg=..., metaTypes=..., slotIdx=8) at qdbusintegrator.cpp:904
#47 0x039eb5ad in QDBusConnectionPrivate::activateCall (this=0xa018ae0, object=0xa08d638, flags=273, msg=...) at qdbusintegrator.cpp:816
#48 0x039ebfd1 in QDBusConnectionPrivate::activateObject (this=0xa018ae0, node=..., msg=..., pathStartPos=7) at qdbusintegrator.cpp:1364
#49 0x039ec25b in QDBusActivateObjectEvent::placeMetaCall (this=0xa0c6a08) at qdbusintegrator.cpp:1477
#50 0x0389b09e in QObject::event (this=0xbf8ab6c4, e=0xa0c6a08) at kernel/qobject.cpp:1248
#51 0x03f0877c in QApplicationPrivate::notify_helper (this=0xa022620, receiver=0xbf8ab6c4, e=0xa0c6a08) at kernel/qapplication.cpp:4306
#52 0x03f0f1d6 in QApplication::notify (this=0xbf8ab6d8, receiver=0xbf8ab6c4, e=0xa0c6a08) at kernel/qapplication.cpp:3710
#53 0x04a3d00b in KApplication::notify (this=0xbf8ab6d8, receiver=0xbf8ab6c4, event=0xa0c6a08) at /usr/src/debug/kdelibs-4.4.5/kdeui/kernel/kapplication.cpp:302
#54 0x0388b133 in QCoreApplication::notifyInternal (this=0xbf8ab6d8, receiver=0xbf8ab6c4, event=0xa0c6a08) at kernel/qcoreapplication.cpp:726
#55 0x0388d5bc in sendEvent (receiver=0x0, event_type=0, data=0xa0046a0) at kernel/qcoreapplication.h:215
#56 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xa0046a0) at kernel/qcoreapplication.cpp:1367
#57 0x0388d73e in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1260
#58 0x038b3950 in sendPostedEvents (s=0xa023710) at kernel/qcoreapplication.h:220
#59 postEventSourceDispatch (s=0xa023710) at kernel/qeventdispatcher_glib.cpp:276
#60 0x00294525 in g_main_dispatch (context=0xa023690) at gmain.c:1960
#61 IA__g_main_context_dispatch (context=0xa023690) at gmain.c:2513
#62 0x00298268 in g_main_context_iterate (context=0xd8c490, block=1, dispatch=1, self=0xa02c928) at gmain.c:2591
#63 0x00298449 in IA__g_main_context_iteration (context=0xa023690, may_block=1) at gmain.c:2654
#64 0x038b3446 in QEventDispatcherGlib::processEvents (this=0xa004150, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#65 0x03fb7336 in QGuiEventDispatcherGlib::processEvents (this=0xa004150, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#66 0x0388980a in QEventLoop::processEvents (this=0xbf8ab624, flags=...) at kernel/qeventloop.cpp:149
#67 0x03889b4a in QEventLoop::exec (this=0xbf8ab624, flags=...) at kernel/qeventloop.cpp:201
#68 0x0388d807 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1003
#69 0x03f08828 in QApplication::exec () at kernel/qapplication.cpp:3585
#70 0x0804dced in main (argc=) at /usr/src/debug/kdebase-runtime-4.4.5/knotify/main.cpp:73

Reported using DrKonqi