Application that crashed: kded4
Version of the application: $Id: kded.cpp 944898 2009-03-26 13:01:25Z dfaure $
KDE Version: 4.2.86 (KDE 4.2.86 (KDE 4.3 >= 20090514)) "release 1"
Qt Version: 4.5.1
Operating System: Linux 2.6.30-rc6-git3-4-default x86_64

What I was doing when the application crashed:
No wifi network is added into NetworkManager configuration. I choose my wifi network from applet menu. Then I need provide wpa-psk to get connect and then It crashes.

 -- Backtrace:
Application: KDE Daemon (kdeinit), signal: Segmentation fault
[KCrash Handler]
#5  QBasicAtomicInt::ref (this=<value optimized out>) at /usr/include/QtCore/qatomic_x86_64.h:121
#6  QList (this=<value optimized out>) at /usr/include/QtCore/qlist.h:111
#7  Knm::Connection::settings (this=<value optimized out>) at /usr/src/debug/networkmanager/libs/storage/connection.cpp:168
#8  0x00007f277278a814 in Knm::ConnectionPersistence::walletOpenedForRead (this=<value optimized out>, success=<value optimized out>)
    at /usr/src/debug/networkmanager/libs/storage/connectionpersistence.cpp:243
#9  0x00007f2772785039 in Knm::ConnectionPersistence::qt_metacall (this=0x7d2400, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff7cfeca30)
    at /usr/src/debug/networkmanager/build/libs/storage/moc_connectionpersistence.cpp:72
#10 0x00007f278227cb12 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#11 0x00007f2780757db2 in KWallet::Wallet::walletOpened(bool) () from /usr/lib64/libkdeui.so.5
#12 0x00007f2780758ca0 in KWallet::Wallet::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libkdeui.so.5
#13 0x00007f278227cb12 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#14 0x00007f278081c3ff in ?? () from /usr/lib64/libkdeui.so.5
#15 0x00007f278081c9a9 in ?? () from /usr/lib64/libkdeui.so.5
#16 0x00007f2780284348 in ?? () from /usr/lib64/libQtDBus.so.4
#17 0x00007f278028bb4f in ?? () from /usr/lib64/libQtDBus.so.4
#18 0x00007f2782276bf9 in QObject::event(QEvent*) () from /usr/lib64/libQtCore.so.4
#19 0x00007f277f5dd11c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#20 0x00007f277f5e474e in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#21 0x00007f27806d6826 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#22 0x00007f27822670ec in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/libQtCore.so.4
#23 0x00007f2782267bda in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib64/libQtCore.so.4
#24 0x00007f2782290783 in ?? () from /usr/lib64/libQtCore.so.4
#25 0x00007f277e0bdafe in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#26 0x00007f277e0c1258 in ?? () from /usr/lib64/libglib-2.0.so.0
#27 0x00007f277e0c13cc in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#28 0x00007f27822903f6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#29 0x00007f277f67199e in ?? () from /usr/lib64/libQtGui.so.4
#30 0x00007f27822659c2 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#31 0x00007f2782265d94 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#32 0x00007f2782267e89 in QCoreApplication::exec() () from /usr/lib64/libQtCore.so.4
#33 0x00007f2775b90dfb in kdemain () from /usr/lib64/libkdeinit4_kded4.so
#34 0x0000000000406d9b in _start ()