Version:           unspecified (using KDE 4.5.85) 
OS:                Linux

During KDE session startup, kded4 crashes with the following backtrace :

Application: Démon de KDE (kdeinit4), signal: Segmentation fault
[KCrash Handler]
#6  Solid::GenericInterface::property (this=0x0, key=...) at /var/tmp/portage/kde-base/kdelibs-4.5.85/work/kdelibs-4.5.85/solid/solid/genericinterface.cpp:48
#7  0x00007f0eb827b0c6 in Wacom::TabletDeamon::deviceAdded(QString const&) () from /usr/lib64/kde4/kded_tablet.so
#8  0x00007f0eb827bdee in Wacom::TabletDeamon::TabletDeamon(QObject*, QList<QVariant> const&) () from /usr/lib64/kde4/kded_tablet.so
#9  0x00007f0eb827cbc7 in QObject* KPluginFactory::createInstance<Wacom::TabletDeamon, QObject>(QWidget*, QObject*, QList<QVariant> const&) () from /usr/lib64/kde4/kded_tablet.so
#10 0x00007f0ec320c180 in KPluginFactory::create (this=0x2051d40, iface=0x7f0ec325eee0 "KDEDModule", parentWidget=<value optimized out>, parent=0x1dfb6d0, args=..., keyword=<value optimized out>) at /var/tmp/portage/kde-base/kdelibs-4.5.85/work/kdelibs-4.5.85/kdecore/util/kpluginfactory.cpp:203
#11 0x00007f0ebed51d9e in create<KDEDModule> (this=0x1dfb6d0, s=<value optimized out>, onDemand=<value optimized out>) at /var/tmp/portage/kde-base/kdelibs-4.5.85/work/kdelibs-4.5.85/kdecore/util/kpluginfactory.h:503
#12 Kded::loadModule (this=0x1dfb6d0, s=<value optimized out>, onDemand=<value optimized out>) at /var/tmp/portage/kde-base/kdelibs-4.5.85/work/kdelibs-4.5.85/kded/kded.cpp:392
#13 0x00007f0ebed53985 in Kded::initModules (this=0x1dfb6d0) at /var/tmp/portage/kde-base/kdelibs-4.5.85/work/kdelibs-4.5.85/kded/kded.cpp:248
#14 0x00007f0ebed559be in KDEDApplication::newInstance (this=<value optimized out>) at /var/tmp/portage/kde-base/kdelibs-4.5.85/work/kdelibs-4.5.85/kded/kded.cpp:829
#15 0x00007f0ec372ce72 in KUniqueApplicationAdaptor::newInstance (this=0x1ebfac0, asn_id=<value optimized out>, args=...) at /var/tmp/portage/kde-base/kdelibs-4.5.85/work/kdelibs-4.5.85/kdeui/kernel/kuniqueapplication.cpp:436
#16 0x00007f0ec372d4d6 in KUniqueApplicationAdaptor::qt_metacall (this=0x1ebfac0, _c=QMetaObject::InvokeMetaMethod, _id=1292334160, _a=0x7fff4d0780a0) at /var/tmp/portage/kde-base/kdelibs-4.5.85/work/kdelibs-4.5.85_build/kdeui/kuniqueapplication_p.moc:81
#17 0x000000379b425919 in ?? () from /usr/lib64/qt4/libQtDBus.so.4
#18 0x000000379b426ac6 in ?? () from /usr/lib64/qt4/libQtDBus.so.4
#19 0x000000379b427595 in ?? () from /usr/lib64/qt4/libQtDBus.so.4
#20 0x000000379b427828 in ?? () from /usr/lib64/qt4/libQtDBus.so.4
#21 0x0000003797b7e2ee in QObject::event(QEvent*) () from /usr/lib64/qt4/libQtCore.so.4
#22 0x00000037989c9dd6 in QApplication::event(QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#23 0x00000037989c74ac in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#24 0x00000037989cc8ed in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#25 0x00007f0ec37255e6 in KApplication::notify (this=0x7fff4d0790a0, receiver=0x7fff4d0790a0, event=0x1fcb880) at /var/tmp/portage/kde-base/kdelibs-4.5.85/work/kdelibs-4.5.85/kdeui/kernel/kapplication.cpp:311
#26 0x0000003797b6c5eb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/qt4/libQtCore.so.4
#27 0x0000003797b6f571 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib64/qt4/libQtCore.so.4
#28 0x0000003797b98b13 in ?? () from /usr/lib64/qt4/libQtCore.so.4
#29 0x00007f0ec2af3391 in g_main_dispatch (context=0x1dff520) at gmain.c:2149
#30 g_main_context_dispatch (context=0x1dff520) at gmain.c:2702
#31 0x00007f0ec2af72c8 in g_main_context_iterate (context=0x1dff520, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at gmain.c:2780
#32 0x00007f0ec2af747c in g_main_context_iteration (context=0x1dff520, may_block=1) at gmain.c:2843
#33 0x0000003797b98653 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#34 0x0000003798a78dae in ?? () from /usr/lib64/qt4/libQtGui.so.4
#35 0x0000003797b6b342 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#36 0x0000003797b6b724 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#37 0x0000003797b6f79b in QCoreApplication::exec() () from /usr/lib64/qt4/libQtCore.so.4
#38 0x00007f0ebed544aa in kdemain (argc=<value optimized out>, argv=<value optimized out>) at /var/tmp/portage/kde-base/kdelibs-4.5.85/work/kdelibs-4.5.85/kded/kded.cpp:907                                                                                           
#39 0x00000000004080da in launch (argc=1, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=0, envs=<value optimized out>, reset_env=false, tty=0x0, avoid_loops=false, startup_id_str=0x40b42b "0") at /var/tmp/portage/kde-base/kdelibs-4.5.85/work/kdelibs-4.5.85/kinit/kinit.cpp:730                                                                                                                                                                                                               
#40 0x000000000040a01f in main (argc=<value optimized out>, argv=<value optimized out>, envp=<value optimized out>) at /var/tmp/portage/kde-base/kdelibs-4.5.85/work/kdelibs-4.5.85/kinit/kinit.cpp:1844                                                               

Reproducible: Always