Application that crashed: krdc
Version of the application: 4.2.98 (KDE 4.2.98 (KDE 4.3 RC3))
KDE Version: 4.2.98 (KDE 4.2.98 (KDE 4.3 RC3))
Qt Version: 4.5.0
Operating System: Linux 2.6.30-10-generic i686
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
Lef t a krdc session open in full screen mode; used the overlay toolbar at the top of the screen to click "Close Connection" -- segfault.

 -- Backtrace:
Application: KRDC (krdc), signal: Segmentation fault
[KCrash Handler]
#6  MainWindow::switchFullscreen (this=0x956af98) at /build/buildd/kdenetwork-4.2.98/krdc/mainwindow.cpp:521
#7  0x08068822 in MainWindow::disconnectHost (this=0x956af98) at /build/buildd/kdenetwork-4.2.98/krdc/mainwindow.cpp:606
#8  0x0806c4ba in MainWindow::qt_metacall (this=0x956af98, _c=QMetaObject::InvokeMetaMethod, _id=16, _a=0xbfe45e9c) at /build/buildd/kdenetwork-4.2.98/obj-i486-linux-gnu/krdc/mainwindow.moc:135
#9  0x0382aca8 in QMetaObject::activate (sender=0x95977b0, from_signal_index=5, to_signal_index=6, argv=0xbfe45e9c) at kernel/qobject.cpp:3069
#10 0x0382b0e0 in QMetaObject::activate (sender=0x95977b0, m=0x5a28008, from_local_signal_index=1, to_local_signal_index=2, argv=0xbfe45e9c) at kernel/qobject.cpp:3163
#11 0x05195891 in QAction::triggered (this=0x95977b0, _t1=false) at .moc/release-shared/moc_qaction.cpp:236
#12 0x05196e0f in QAction::activate (this=0x95977b0, event=QAction::Trigger) at kernel/qaction.cpp:1160
#13 0x05666322 in QToolButton::nextCheckState (this=0x9d73db8) at ../../include/QtGui/../../src/gui/kernel/qaction.h:203
#14 0x0557ecd3 in QAbstractButtonPrivate::click (this=0x9ddb370) at widgets/qabstractbutton.cpp:525
#15 0x0557efa6 in QAbstractButton::mouseReleaseEvent (this=0x9ddb358, e=0xbfe464a8) at widgets/qabstractbutton.cpp:1115
#16 0x0566681c in QToolButton::mouseReleaseEvent (this=0x9ddb358, e=0xbfe464a8) at widgets/qtoolbutton.cpp:709
#17 0x051f2b43 in QWidget::event (this=0x9ddb358, event=0xbfe464a8) at kernel/qwidget.cpp:7516
#18 0x0557cf5e in QAbstractButton::event (this=0x9ddb358, e=0xbfe464a8) at widgets/qabstractbutton.cpp:1077
#19 0x0566924a in QToolButton::event (this=0x9ddb358, event=0xbfe464a8) at widgets/qtoolbutton.cpp:1151
#20 0x0519be9c in QApplicationPrivate::notify_helper (this=0x9457b98, receiver=0x9ddb358, e=0xbfe464a8) at kernel/qapplication.cpp:4084
#21 0x051a4b11 in QApplication::notify (this=0xbfe46dcc, receiver=0x9ddb358, e=0xbfe464a8) at kernel/qapplication.cpp:3786
#22 0x011ac5cd in KApplication::notify (this=0xbfe46dcc, receiver=0x9ddb358, event=0xbfe464a8) at /build/buildd/kde4libs-4.2.98a/kdeui/kernel/kapplication.cpp:302
#23 0x03814a3b in QCoreApplication::notifyInternal (this=0xbfe46dcc, receiver=0x9ddb358, event=0xbfe464a8) at kernel/qcoreapplication.cpp:602
#24 0x051a3b7e in QApplicationPrivate::sendMouseEvent (receiver=0x9ddb358, event=0xbfe464a8, alienWidget=0x9ddb358, nativeWidget=0x9dd5a70, buttonDown=0x5a46200, lastMouseReceiver=@0x5a46204)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#25 0x0521397e in QETWidget::translateMouseEvent (this=0x9dd5a70, event=0xbfe46aec) at kernel/qapplication_x11.cpp:4425
#26 0x05212ca7 in QApplication::x11ProcessEvent (this=0xbfe46dcc, event=0xbfe46aec) at kernel/qapplication_x11.cpp:3421
#27 0x0523dc6a in x11EventSourceDispatch (s=0x945ad00, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#28 0x00f61b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#29 0x00f650eb in ?? () from /usr/lib/libglib-2.0.so.0
#30 0x00f65268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#31 0x03840438 in QEventDispatcherGlib::processEvents (this=0x9441fa8, flags={i = -1075549016}) at kernel/qeventdispatcher_glib.cpp:323
#32 0x0523d365 in QGuiEventDispatcherGlib::processEvents (this=0x9441fa8, flags={i = -1075548968}) at kernel/qguieventdispatcher_glib.cpp:202
#33 0x0381306a in QEventLoop::processEvents (this=0xbfe46d50, flags={i = -1075548904}) at kernel/qeventloop.cpp:149
#34 0x038134aa in QEventLoop::exec (this=0xbfe46d50, flags={i = -1075548840}) at kernel/qeventloop.cpp:200
#35 0x03815959 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#36 0x0519bd17 in QApplication::exec () at kernel/qapplication.cpp:3553
#37 0x0806daad in main (argc=3, argv=0xbfe46f94) at /build/buildd/kdenetwork-4.2.98/krdc/main.cpp:101

This bug may be a duplicate of or related to bug 200915

Reported using DrKonqi