Bug 256484

Application: knotify4 (4.0)
KDE Platform Version: 4.4.4 (KDE 4.4.4) "release 2"
Qt Version: 4.6.3
Operating System: Linux 2.6.34-12-default i686
Distribution: "openSUSE 11.3 (i586)"

-- Information about the crash:
After every notification on the top right corner the knotify crashes while using xfce! 

The crash can be reproduced every time.

 -- Backtrace:
Application: KNotify (knotify4), signal: Segmentation fault
[KCrash Handler]
#6  0xb6f994d4 in QVariant::userType (this=0x0) at kernel/qvariant.cpp:1757
#7  0xb70b56c9 in QDBusConnectionPrivate::prepareReply (target=0x8080588, object=0x80e2e30, idx=0, metaTypes=..., msg=...) at qdbusintegrator.cpp:710
#8  0xb70b6423 in QDBusConnectionPrivate::activateSignal (this=0x8080588, hook=..., msg=...) at qdbusintegrator.cpp:729
#9  0xb70bb56b in QDBusConnectionPrivate::handleSignal (this=0x8080588, key=..., msg=...) at qdbusintegrator.cpp:1526
#10 0xb70bb7df in QDBusConnectionPrivate::handleSignal (this=0x8080588, msg=...) at qdbusintegrator.cpp:1545
#11 0xb70bbc1d in QDBusConnectionPrivate::handleMessage (this=0x8080588, amsg=...) at qdbusintegrator.cpp:544
#12 0xb70bfc79 in qDBusSignalFilter (connection=0x80829e0, message=0x0, data=0x8080588) at qdbusintegrator.cpp:528
#13 0xb5cc967b in dbus_connection_dispatch (connection=0x80829e0) at dbus-connection.c:4451
#14 0xb70b227b in q_dbus_connection_dispatch (this=0x8080588) at qdbus_symbols_p.h:113
#15 QDBusConnectionPrivate::doDispatch (this=0x8080588) at qdbusintegrator.cpp:1079
#16 0xb70b6acd in QDBusConnectionPrivate::socketRead (this=0x8080588, fd=5) at qdbusintegrator.cpp:1099
#17 0xb70f93e5 in QDBusConnectionPrivate::qt_metacall (this=0x8080588, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0xbfc9d538) at .moc/release-shared/moc_qdbusconnection_p.cpp:99
#18 0xb6f81efd in QMetaObject::metacall (object=0x8080588, cl=QMetaObject::InvokeMetaMethod, idx=8, argv=0xbfc9d538) at kernel/qmetaobject.cpp:237
#19 0xb6f90fe8 in QMetaObject::activate (sender=0x822ce88, m=0xb7098550, local_signal_index=0, argv=0xbfc9d538) at kernel/qobject.cpp:3295
#20 0xb6fdd8a5 in QSocketNotifier::activated (this=0x822ce88, _t1=5) at .moc/release-shared/moc_qsocketnotifier.cpp:89
#21 0xb6f9645f in QSocketNotifier::event (this=0x822ce88, e=0xbfc9d994) at kernel/qsocketnotifier.cpp:317
#22 0xb64d0c64 in QApplicationPrivate::notify_helper (this=0x8088940, receiver=0x822ce88, e=0xbfc9d994) at kernel/qapplication.cpp:4302
#23 0xb64d8bf7 in QApplication::notify (this=0xbfc9dcb0, receiver=0x822ce88, e=0xbfc9d994) at kernel/qapplication.cpp:3706
#24 0xb74ed9d1 in KApplication::notify (this=0xbfc9dcb0, receiver=0x822ce88, event=0xbfc9d994) at /usr/src/debug/kdelibs-4.4.4/kdeui/kernel/kapplication.cpp:302
#25 0xb6f7be0e in QCoreApplication::notifyInternal (this=0xbfc9dcb0, receiver=0x822ce88, event=0xbfc9d994) at kernel/qcoreapplication.cpp:726
#26 0xb6fa7708 in sendEvent (source=0x808c358) at kernel/qcoreapplication.h:215
#27 socketNotifierSourceDispatch (source=0x808c358) at kernel/qeventdispatcher_glib.cpp:110
#28 0xb5bffb49 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#29 0xb5c00350 in ?? () from /usr/lib/libglib-2.0.so.0
#30 0xb5c0060e in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#31 0xb6fa7d4b in QEventDispatcherGlib::processEvents (this=0x806c438, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#32 0xb658119a in QGuiEventDispatcherGlib::processEvents (this=0x806c438, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#33 0xb6f7b11d in QEventLoop::processEvents (this=0xbfc9dbf4, flags=...) at kernel/qeventloop.cpp:149
#34 0xb6f7b319 in QEventLoop::exec (this=0xbfc9dbf4, flags=...) at kernel/qeventloop.cpp:201
#35 0xb6f7fc70 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1003
#36 0xb64ce164 in QApplication::exec () at kernel/qapplication.cpp:3581
#37 0x0804e53f in _start ()

Possible duplicates by query: bug 254718, bug 254078, bug 250189, bug 250169, bug 249696.

Reported using DrKonqi