Version:            (using KDE 4.2.4)
OS:                Linux
Installed from:    Debian testing/unstable Packages

sequence of actions
1)Network Managment applet -> connecting to Wireless network
2)It show configuration dialog
3)I select "connect automaticaly" and enter WPA-PSK password; press OK or something like this
4)immediately dialog appear, asking for password again
5)enter the password
6)press Ok or Apply (Don't remember exactly)
6) kded4 krashed

Backtrace is :
Application: KDE Daemon (kded4), signal SIGSEGV
0x00007ff69ad78831 in nanosleep () from /lib/libc.so.6
Current language:  auto; currently c

Thread 1 (Thread 0x7ff69b31b760 (LWP 4542)):
[KCrash Handler]
#5  0x00007ff6989b8413 in QX11Info::setX11Data (this=0x7fffa3457f68, d=0x1226e30) at kernel/qx11info_x11.cpp:157
#6  0x00007ff6989f5ad8 in QX11PixmapData::resize (this=0x7fffa3457f30, width=<value optimized out>, height=49) at image/qpixmap_x11.cpp:337
#7  0x00007ff68b8818ef in Wireless80211SecurityWidget::writeConfig () from /usr/lib/libknmui.so.4
#8  0x000000310118a2c0 in ?? ()
#9  0x0000000001280fc0 in ?? ()
#10 0x00007ff69a514a2d in KJob::qt_metacall (this=0x7ff69a514a2d, _c=19033648, _id=1, _a=0x0) at ./kjob.moc:125
#11 0x00007ff68bf18778 in ?? () from /usr/lib/kde4/kded_knetworkmanager.so
#12 0x00007ff69a9f8862 in QMetaObject::activate (sender=0x11f7ac0, from_signal_index=<value optimized out>, to_signal_index=45, argv=0x0) at kernel/qobject.cpp:3120
#13 0x00007ff699fa3ac8 in KDialog::slotButtonClicked (this=0x11f7ac0, button=4) at ../../kdeui/dialogs/kdialog.cpp:848
#14 0x00007ff699fa4ddd in KDialog::qt_metacall (this=0x11f7ac0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffa34582a0) at ./kdialog.moc:184
#15 0x00007ff69a9f8862 in QMetaObject::activate (sender=0x112bcc8, from_signal_index=<value optimized out>, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3120
#16 0x00007ff69a9fb68e in QSignalMapper::mapped (this=0x7ff69a514a2d, _t1=4) at .moc/release-shared/moc_qsignalmapper.cpp:95
#17 0x00007ff69a9fbf30 in QSignalMapper::map (this=0x112bcc8, sender=0x110b530) at kernel/qsignalmapper.cpp:266
#18 0x00007ff69a9fcb20 in QSignalMapper::qt_metacall (this=0x112bcc8, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffa3458420) at .moc/release-shared/moc_qsignalmapper.cpp:81
#19 0x00007ff69a9f8862 in QMetaObject::activate (sender=0x110b530, from_signal_index=<value optimized out>, to_signal_index=30, argv=0x0) at kernel/qobject.cpp:3120
#20 0x00007ff698f6cdd7 in QAbstractButton::clicked (this=0x7ff69a514a2d, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:200
#21 0x00007ff698cc815b in QAbstractButtonPrivate::emitClicked (this=0x145c890) at widgets/qabstractbutton.cpp:543
#22 0x00007ff698cc9db2 in QAbstractButtonPrivate::click (this=0x145c890) at widgets/qabstractbutton.cpp:536
#23 0x00007ff698cca005 in QAbstractButton::mouseReleaseEvent (this=0x110b530, e=0x7fffa3458d70) at widgets/qabstractbutton.cpp:1115
#24 0x00007ff69897474f in QWidget::event (this=0x110b530, event=0x7fffa3458d70) at kernel/qwidget.cpp:7521
#25 0x00007ff6989234fd in QApplicationPrivate::notify_helper (this=0xf87af0, receiver=0x110b530, e=0x7fffa3458d70) at kernel/qapplication.cpp:4057
#26 0x00007ff69892beda in QApplication::notify (this=<value optimized out>, receiver=0x110b530, e=0x7fffa3458d70) at kernel/qapplication.cpp:3759
#27 0x00007ff69a02f38b in KApplication::notify (this=0x7fffa345ab30, receiver=0x110b530, event=0x7fffa3458d70) at ../../kdeui/kernel/kapplication.cpp:307
#28 0x00007ff69a9e2e4c in QCoreApplication::notifyInternal (this=0x7fffa345ab30, receiver=0x110b530, event=0x7fffa3458d70) at kernel/qcoreapplication.cpp:610
#29 0x00007ff69892b128 in QApplicationPrivate::sendMouseEvent (receiver=0x110b530, event=0x7fffa3458d70, alienWidget=0x110b530, nativeWidget=0x11f7ac0, buttonDown=<value optimized out>, 
    lastMouseReceiver=@0x7ff69938dc30) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#30 0x00007ff698995009 in QETWidget::translateMouseEvent (this=0x11f7ac0, event=<value optimized out>) at kernel/qapplication_x11.cpp:4448
#31 0x00007ff698993d4d in QApplication::x11ProcessEvent (this=0x7fffa345ab30, event=0x7fffa345a740) at kernel/qapplication_x11.cpp:3566
#32 0x00007ff6989bc4d4 in x11EventSourceDispatch (s=0xf8b7e0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#33 0x00007ff697b8ff7a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#34 0x00007ff697b935f8 in ?? () from /usr/lib/libglib-2.0.so.0
#35 0x00007ff697b937bc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#36 0x00007ff69aa0c4bf in QEventDispatcherGlib::processEvents (this=0xf64f90, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:324
#37 0x00007ff6989bbc7f in QGuiEventDispatcherGlib::processEvents (this=0x7ff69a514a2d, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#38 0x00007ff69a9e16f2 in QEventLoop::processEvents (this=<value optimized out>, flags={i = -1555715536}) at kernel/qeventloop.cpp:149
#39 0x00007ff69a9e1abd in QEventLoop::exec (this=0x7fffa345aa70, flags={i = -1555715456}) at kernel/qeventloop.cpp:200
#40 0x00007ff69a9e3d84 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#41 0x00007ff69b038b57 in kdemain (argc=1, argv=0x7fffa345aee8) at ../../kded/kded.cpp:937
#42 0x00007ff69acf85a6 in __libc_start_main (main=0x4006f0 <main>, argc=1, ubp_av=0x7fffa345aee8, init=0x400720 <__libc_csu_init>, fini=<value optimized out>, rtld_fini=<value optimized out>, 
    stack_end=0x7fffa345aed8) at libc-start.c:222
#43 0x0000000000400629 in _start () at ../sysdeps/x86_64/elf/start.S:113