Bug 241403

Application: knotify4 (4.0)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-22-generic i686
Distribution: Ubuntu 10.04 LTS

-- Information about the crash:
Knotify crashes everytime during login. In fact, it crashes always when it some event occurs that KNotify reports on, such as a low battery warning.

The crash can be reproduced every time.

 -- Backtrace:
Application: KNotify (knotify4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb784f710 (LWP 2677))]

Thread 2 (Thread 0xb2122b70 (LWP 4887)):
#0  0x006e0422 in __kernel_vsyscall ()
#1  0x009fcb86 in poll () from /lib/tls/i686/cmov/libc.so.6
#2  0x04d26502 in ?? () from /usr/lib/libpulse.so.0
#3  0x04d12a59 in pa_mainloop_poll () from /usr/lib/libpulse.so.0
#4  0x04d14a13 in pa_mainloop_iterate () from /usr/lib/libpulse.so.0
#5  0x04d14ae4 in pa_mainloop_run () from /usr/lib/libpulse.so.0
#6  0x04d262a3 in ?? () from /usr/lib/libpulse.so.0
#7  0x0943de02 in ?? () from /usr/lib/libpulsecommon-0.9.21.so
#8  0x00ad196e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#9  0x00a0aa4e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb784f710 (LWP 2677)):
[KCrash Handler]
#6  0x0838ce5c in ?? () from /usr/lib/libasound.so.2
#7  0x08349e9e in snd_pcm_close () from /usr/lib/libasound.so.2
#8  0x056ab662 in ?? () from /usr/lib/gstreamer-0.10/libgstalsa.so
#9  0x01bdf512 in ?? () from /usr/lib/libgstaudio-0.10.so.0
#10 0x01bcf6f0 in gst_ring_buffer_close_device () from /usr/lib/libgstaudio-0.10.so.0
#11 0x01bd9e42 in ?? () from /usr/lib/libgstaudio-0.10.so.0
#12 0x01b3b435 in gst_element_change_state (element=0xa006c08, transition=GST_STATE_CHANGE_READY_TO_NULL) at gstelement.c:2548
#13 0x01b3e928 in gst_element_set_state_func (element=0xa006c08, state=GST_STATE_NULL) at gstelement.c:2504
#14 0x01b3a7f0 in gst_element_set_state (element=0xa006c08, state=GST_STATE_NULL) at gstelement.c:2405
#15 0x01a42e1c in Phonon::Gstreamer::AudioOutput::setOutputDevice (this=0x9edb038, newDevice=...) at ../../gstreamer/audiooutput.cpp:217
#16 0x004e1621 in callSetOutputDevice (this=0x9e5ec88) at ../3rdparty/phonon/phonon/audiooutput.cpp:67
#17 Phonon::AudioOutputPrivate::setupBackendObject (this=0x9e5ec88) at ../3rdparty/phonon/phonon/audiooutput.cpp:281
#18 0x004e1d22 in Phonon::AudioOutputPrivate::createBackendObject (this=0x9e5ec88) at ../3rdparty/phonon/phonon/audiooutput.cpp:124
#19 0x004de284 in Phonon::AudioOutputPrivate::init (this=0x9e5ec88, c=Phonon::NotificationCategory) at ../3rdparty/phonon/phonon/audiooutput.cpp:106
#20 0x004de929 in AudioOutput (this=0x9ec6628, category=Phonon::NotificationCategory, parent=0x0) at ../3rdparty/phonon/phonon/audiooutput.cpp:76
#21 0x080535b4 in Player (this=0x9e9a004) at ../../knotify/notifybysound.cpp:59
#22 PlayerPool::getPlayer (this=0x9e9a004) at ../../knotify/notifybysound.cpp:99
#23 0x08053b01 in NotifyBySound::notify (this=0x9ea0fa0, eventId=71, config=0x9ec8448) at ../../knotify/notifybysound.cpp:243
#24 0x0804f475 in KNotify::emitEvent (this=0xbfeec1a4, e=0x9ec8440) at ../../knotify/knotify.cpp:179
#25 0x0804f70b in KNotify::event (this=0xbfeec1a4, event=..., appname=..., contexts=..., title=..., text=..., image=..., actions=..., timeout=-1, winId=0) at ../../knotify/knotify.cpp:128
#26 0x0804fa05 in KNotifyAdaptor::event (this=0x9eb3388, event=..., fromApp=..., contexts=..., title=..., text=..., image=..., actions=..., timeout=-1, winId=<value optimized out>)
    at ../../knotify/knotify.cpp:236
#27 0x080505ad in KNotifyAdaptor::qt_metacall (this=0x9eb3388, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbfeeb78c) at ./knotify.moc:227
#28 0x00bc7b34 in QDBusConnectionPrivate::deliverCall (this=0x9e246d8, object=0x9eb3388, msg=..., metaTypes=..., slotIdx=8) at qdbusintegrator.cpp:904
#29 0x00bc8e45 in QDBusConnectionPrivate::activateCall (this=0x9e246d8, object=0x9eb3388, flags=273, msg=...) at qdbusintegrator.cpp:816
#30 0x00bc9880 in QDBusConnectionPrivate::activateObject (this=0x9e246d8, node=..., msg=..., pathStartPos=7) at qdbusintegrator.cpp:1364
#31 0x00bc9b1a in QDBusActivateObjectEvent::placeMetaCall (this=0x9eba1d8) at qdbusintegrator.cpp:1477
#32 0x00d993fe in QObject::event (this=0xbfeec1a4, e=0x9eba1d8) at kernel/qobject.cpp:1248
#33 0x00fd34dc in QApplicationPrivate::notify_helper (this=0x9e2c3d8, receiver=0xbfeec1a4, e=0x9eba1d8) at kernel/qapplication.cpp:4300
#34 0x00fda05e in QApplication::notify (this=0xbfeec1b8, receiver=0xbfeec1a4, e=0x9eba1d8) at kernel/qapplication.cpp:3704
#35 0x002eff2a in KApplication::notify (this=0xbfeec1b8, receiver=0xbfeec1a4, event=0x9eba1d8) at ../../kdeui/kernel/kapplication.cpp:302
#36 0x00d88a3b in QCoreApplication::notifyInternal (this=0xbfeec1b8, receiver=0xbfeec1a4, event=0x9eba1d8) at kernel/qcoreapplication.cpp:704
#37 0x00d8b473 in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x9e0fa08) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#38 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x9e0fa08) at kernel/qcoreapplication.cpp:1345
#39 0x00d8b5dd in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1238
#40 0x00db4adf in QCoreApplication::sendPostedEvents (s=0x9e2f110) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#41 postEventSourceDispatch (s=0x9e2f110) at kernel/qeventdispatcher_glib.cpp:276
#42 0x081345e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#43 0x081382d8 in ?? () from /lib/libglib-2.0.so.0
#44 0x081384b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#45 0x00db45d5 in QEventDispatcherGlib::processEvents (this=0x9e0fbe8, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#46 0x01093135 in QGuiEventDispatcherGlib::processEvents (this=0x9e0fbe8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#47 0x00d87059 in QEventLoop::processEvents (this=0xbfeec104, flags=) at kernel/qeventloop.cpp:149
#48 0x00d874aa in QEventLoop::exec (this=0xbfeec104, flags=...) at kernel/qeventloop.cpp:201
#49 0x00d8b69f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#50 0x00fd3577 in QApplication::exec () at kernel/qapplication.cpp:3579
#51 0x0804e52f in main (argc=1, argv=0xbfeec334) at ../../knotify/main.cpp:73

This bug may be a duplicate of or related to bug 232068.

Possible duplicates by query: bug 241334, bug 241121, bug 240705, bug 240562, bug 240477.

Reported using DrKonqi