Application: kded4 (4.10.4)
KDE Platform Version: 4.10.4
Qt Version: 4.8.4
Operating System: Linux 3.9.5-201.fc18.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed:
After every start KDE. I cant connect to wifi. Network applet (KDE) says (in czech): "čekám na ověření" (From Google translate: I am waiting for verification).
I must click (in Network manager) on red storno button. Network manager crashed. After this i succesfully connect.

The crash can be reproduced every time.

-- Backtrace:
Application: KDE démon (kded4), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f7cd900d880 (LWP 1562))]

Thread 4 (Thread 0x7f7cc3fff700 (LWP 1623)):
#0  0x0000003032ce99ad in poll () from /lib64/libc.so.6
#1  0x0000003035847d24 in g_main_context_iterate.isra.24 () from /lib64/libglib-2.0.so.0
#2  0x0000003035847e44 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x000000303e5a5fa6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#4  0x000000303e5765ef in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#5  0x000000303e576878 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#6  0x000000303e478980 in QThread::exec() () from /lib64/libQtCore.so.4
#7  0x000000303e556e1f in QInotifyFileSystemWatcherEngine::run() () from /lib64/libQtCore.so.4
#8  0x000000303e47b95c in QThreadPrivate::start(void*) () from /lib64/libQtCore.so.4
#9  0x0000003033407d15 in start_thread () from /lib64/libpthread.so.0
#10 0x0000003032cf248d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f7cc35f8700 (LWP 1641)):
#0  0x000000303340aacf in __pthread_mutex_unlock_usercnt () from /lib64/libpthread.so.0
#1  0x0000003035884dd1 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#2  0x0000003035847d19 in g_main_context_iterate.isra.24 () from /lib64/libglib-2.0.so.0
#3  0x0000003035847e44 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x000000303e5a5fa6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#5  0x000000303e5765ef in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#6  0x000000303e576878 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#7  0x000000303e478980 in QThread::exec() () from /lib64/libQtCore.so.4
#8  0x00007f7ccd7142d5 in KCupsConnection::run() () from /lib64/libkcupslib.so
#9  0x000000303e47b95c in QThreadPrivate::start(void*) () from /lib64/libQtCore.so.4
#10 0x0000003033407d15 in start_thread () from /lib64/libpthread.so.0
#11 0x0000003032cf248d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f7cc2df7700 (LWP 1642)):
#0  0x000000303340e12d in read () from /lib64/libpthread.so.0
#1  0x00000030358840df in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#2  0x00000030358478b4 in g_main_context_check () from /lib64/libglib-2.0.so.0
#3  0x0000003035847cc2 in g_main_context_iterate.isra.24 () from /lib64/libglib-2.0.so.0
#4  0x0000003035847e44 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#5  0x000000303e5a5fa6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#6  0x000000303e5765ef in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#7  0x000000303e576878 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#8  0x000000303e478980 in QThread::exec() () from /lib64/libQtCore.so.4
#9  0x000000303e47b95c in QThreadPrivate::start(void*) () from /lib64/libQtCore.so.4
#10 0x0000003033407d15 in start_thread () from /lib64/libpthread.so.0
#11 0x0000003032cf248d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f7cd900d880 (LWP 1562)):
[KCrash Handler]
#5  0x0000003360625b81 in WirelessNetworkInterfaceActivatableProvider::handleAdd(Knm::Connection*) () from /lib64/libknmservice.so.4
#6  0x0000003360625894 in WirelessNetworkInterfaceActivatableProvider::wirelessEnabledChanged(bool) () from /lib64/libknmservice.so.4
#7  0x000000303e58cd6f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /lib64/libQtCore.so.4
#8  0x00007f7cc90757e2 in Solid::Control::NetworkManagerNm09::Notifier::wirelessEnabledChanged(bool) () from /lib64/libsolidcontrolnm09.so.4
#9  0x000000303e58cd6f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /lib64/libQtCore.so.4
#10 0x00007f7cc877ec52 in Solid::Control::Ifaces::NetworkManagerNm09::wirelessEnabledChanged(bool) () from /lib64/libsolidcontrolnm09ifaces.so.4
#11 0x00007f7cc1fb8298 in NMNetworkManagerNm09::propertiesChanged(QMap<QString, QVariant> const&) () from /usr/lib64/kde4/solid_networkmanager09.so
#12 0x00007f7cc1fb8f79 in NMNetworkManagerNm09::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib64/kde4/solid_networkmanager09.so
#13 0x000000303e58cd6f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /lib64/libQtCore.so.4
#14 0x00007f7cc1fc3ff5 in OrgFreedesktopNetworkManagerInterface::PropertiesChanged(QMap<QString, QVariant> const&) () from /usr/lib64/kde4/solid_networkmanager09.so
#15 0x00007f7cc1fc4339 in OrgFreedesktopNetworkManagerInterface::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib64/kde4/solid_networkmanager09.so
#16 0x00007f7cc1fc57df in OrgFreedesktopNetworkManagerInterface::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/kde4/solid_networkmanager09.so
#17 0x000000303ee22f93 in QDBusConnectionPrivate::deliverCall(QObject*, int, QDBusMessage const&, QList<int> const&, int) () from /lib64/libQtDBus.so.4
#18 0x000000303e58c24e in QObject::event(QEvent*) () from /lib64/libQtCore.so.4
#19 0x0000003e91bca5cc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#20 0x0000003e91bcea4a in QApplication::notify(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#21 0x000000335c646f16 in KApplication::notify(QObject*, QEvent*) () from /lib64/libkdeui.so.5
#22 0x000000303e57793e in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib64/libQtCore.so.4
#23 0x000000303e57b3f1 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQtCore.so.4
#24 0x000000303e5a5df3 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQtCore.so.4
#25 0x0000003035847a55 in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#26 0x0000003035847d88 in g_main_context_iterate.isra.24 () from /lib64/libglib-2.0.so.0
#27 0x0000003035847e44 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#28 0x000000303e5a5f86 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#29 0x0000003e91c6a73e in QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtGui.so.4
#30 0x000000303e5765ef in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#31 0x000000303e576878 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#32 0x000000303e57b708 in QCoreApplication::exec() () from /lib64/libQtCore.so.4
#33 0x000000335e208510 in kdemain () from /lib64/libkdeinit4_kded4.so
#34 0x0000003032c21a05 in __libc_start_main () from /lib64/libc.so.6
#35 0x0000000000400811 in _start ()

Reported using DrKonqi