Application that crashed: krdc
Version of the application: 4.3.00 (KDE 4.3.0)
KDE Version: 4.3.00 (KDE 4.3.0)
Qt Version: 4.5.2
Operating System: Linux 2.6.28-11-generic i686
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
every time.

 -- Backtrace:
Application: KRDC (krdc), signal: Segmentation fault
[KCrash Handler]
#6  0x00000039 in ?? ()
#7  0x0806c4cd in MainWindow::qt_metacall (this=0x9e81330, _c=155833392, _id=15, _a=0x9412a02) at /build/buildd/kdenetwork-4.3.0/obj-i486-linux-gnu/krdc/mainwindow.moc:134
#8  0xb691b1b8 in QMetaObject::activate (sender=0x9529650, from_signal_index=5, to_signal_index=6, argv=0xbff3b07c) at kernel/qobject.cpp:3113
#9  0xb691b5f0 in QMetaObject::activate (sender=0x9529650, m=0xb762fe48, from_local_signal_index=1, to_local_signal_index=2, argv=0xbff3b07c) at kernel/qobject.cpp:3207
#10 0xb6dc06c1 in QAction::triggered (this=0x9529650, _t1=false) at .moc/release-shared/moc_qaction.cpp:236
#11 0xb6dc1c3f in QAction::activate (this=0x9529650, event=QAction::Trigger) at kernel/qaction.cpp:1160
#12 0xb7268602 in QToolButton::nextCheckState (this=0x9e59a48) at ../../include/QtGui/../../src/gui/kernel/qaction.h:203
#13 0xb7181003 in QAbstractButtonPrivate::click (this=0x9f9fc88) at widgets/qabstractbutton.cpp:525
#14 0xb71812d6 in QAbstractButton::mouseReleaseEvent (this=0x9fccee0, e=0xbff3b688) at widgets/qabstractbutton.cpp:1115
#15 0xb7268afc in QToolButton::mouseReleaseEvent (this=0x9fccee0, e=0xbff3b688) at widgets/qtoolbutton.cpp:709
#16 0xb6e1d973 in QWidget::event (this=0x9fccee0, event=0xbff3b688) at kernel/qwidget.cpp:7549
#17 0xb717f28e in QAbstractButton::event (this=0x9fccee0, e=0xbff3b688) at widgets/qabstractbutton.cpp:1077
#18 0xb726b52a in QToolButton::event (this=0x9fccee0, event=0xbff3b688) at widgets/qtoolbutton.cpp:1151
#19 0xb6dc6d3c in QApplicationPrivate::notify_helper (this=0x93e79a0, receiver=0x9fccee0, e=0xbff3b688) at kernel/qapplication.cpp:4056
#20 0xb6dcf9b1 in QApplication::notify (this=0xbff3cffc, receiver=0x9fccee0, e=0xbff3b688) at kernel/qapplication.cpp:3758
#21 0xb78615cd in KApplication::notify (this=0xbff3cffc, receiver=0x9fccee0, event=0xbff3b688) at /build/buildd/kde4libs-4.3.0/kdeui/kernel/kapplication.cpp:302
#22 0xb6905bcb in QCoreApplication::notifyInternal (this=0xbff3cffc, receiver=0x9fccee0, event=0xbff3b688) at kernel/qcoreapplication.cpp:610
#23 0xb6dcea1e in QApplicationPrivate::sendMouseEvent (receiver=0x9fccee0, event=0xbff3b688, alienWidget=0x9fccee0, nativeWidget=0x9f3d4b8, buttonDown=0xb7648aa0, lastMouseReceiver=@0xb7648aa4)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#24 0xb6e3ecce in QETWidget::translateMouseEvent (this=0x9f3d4b8, event=0xbff3cd1c) at kernel/qapplication_x11.cpp:4409
#25 0xb6e3e085 in QApplication::x11ProcessEvent (this=0xbff3cffc, event=0xbff3cd1c) at kernel/qapplication_x11.cpp:3428
#26 0xb6e6937a in x11EventSourceDispatch (s=0x93eaba8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#27 0xb6093b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#28 0xb60970eb in ?? () from /usr/lib/libglib-2.0.so.0
#29 0xb6097268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#30 0xb69312f8 in QEventDispatcherGlib::processEvents (this=0x93d1fa8, flags={i = -1074540840}) at kernel/qeventdispatcher_glib.cpp:327
#31 0xb6e68a75 in QGuiEventDispatcherGlib::processEvents (this=0x93d1fa8, flags={i = -1074540792}) at kernel/qguieventdispatcher_glib.cpp:202
#32 0xb69041fa in QEventLoop::processEvents (this=0xbff3cf80, flags={i = -1074540728}) at kernel/qeventloop.cpp:149
#33 0xb6904642 in QEventLoop::exec (this=0xbff3cf80, flags={i = -1074540664}) at kernel/qeventloop.cpp:201
#34 0xb6906ae9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#35 0xb6dc6bb7 in QApplication::exec () at kernel/qapplication.cpp:3525
#36 0x0806daad in main (argc=3, argv=0xbff3d1c4) at /build/buildd/kdenetwork-4.3.0/krdc/main.cpp:101

This bug may be a duplicate of or related to bug 204989

Reported using DrKonqi