.
Thread 1 (process 24565):
#0  0xb7f3b25d in Diff2::KompareModelList::slotActionApplyDifference ()
   from /usr/lib/libkomparediff2.so.4
#1  0xb7f3d680 in Diff2::KompareModelList::qt_metacall ()
   from /usr/lib/libkomparediff2.so.4
#2  0xb66adc10 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#3  0xb66ae010 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#4  0xb6b5d5b1 in QAction::triggered () from /usr/lib/libQtGui.so.4
#5  0xb6b5df1f in QAction::activate () from /usr/lib/libQtGui.so.4
#6  0xb6f835d2 in QToolButton::nextCheckState () from /usr/lib/libQtGui.so.4
#7  0xb6ea6d13 in ?? () from /usr/lib/libQtGui.so.4
#8  0xb6ea6fe6 in QAbstractButton::mouseReleaseEvent ()
   from /usr/lib/libQtGui.so.4
#9  0xb6f83acc in QToolButton::mouseReleaseEvent ()
   from /usr/lib/libQtGui.so.4
#10 0xb6bbb952 in QWidget::event () from /usr/lib/libQtGui.so.4
#11 0xb6ea501e in QAbstractButton::event () from /usr/lib/libQtGui.so.4
#12 0xb6f83594 in QToolButton::event () from /usr/lib/libQtGui.so.4
#13 0xb6b6387c in QApplicationPrivate::notify_helper ()
   from /usr/lib/libQtGui.so.4
#14 0xb6b6c0b1 in QApplication::notify () from /usr/lib/libQtGui.so.4
#15 0xb753e0ad in KApplication::notify () from /usr/lib/libkdeui.so.5
#16 0xb6698ff1 in QCoreApplication::notifyInternal ()
   from /usr/lib/libQtCore.so.4
#17 0xb6b6b33e in QApplicationPrivate::sendMouseEvent ()
   from /usr/lib/libQtGui.so.4
#18 0xb6bd5676 in ?? () from /usr/lib/libQtGui.so.4
#19 0xb6bd4a05 in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#20 0xb6bfe7ea in ?? () from /usr/lib/libQtGui.so.4
#21 0xb5e97bf8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#22 0xb5e9b2a3 in ?? () from /usr/lib/libglib-2.0.so.0
#23 0xb5e9b461 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#24 0xb66c3628 in QEventDispatcherGlib::processEvents ()
   from /usr/lib/libQtCore.so.4
#25 0xb6bfdee5 in ?? () from /usr/lib/libQtGui.so.4
#26 0xb66976ba in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#27 0xb669787a in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#28 0xb6699f35 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#29 0xb6b636f7 in QApplication::exec () from /usr/lib/libQtGui.so.4
#30 0x0805060d in _start ()