.
Thread 1 (process 4912):
#0  RandRDisplay::isValid (this=0x89bf2e8)
    at /build/buildd/kdebase-workspace-4.2.1a/kcontrol/randr/randrdisplay.cpp:110
No locals.
#1  0xb46414db in KRandRModule::load (this=0x89fcff0)
    at /build/buildd/kdebase-workspace-4.2.1a/kcontrol/randr/krandrmodule.cpp:106
	__PRETTY_FUNCTION__ = "virtual void KRandRModule::load()"
#2  0xb7b334cb in KCModule::qt_metacall (this=0x89fcff0, 
    _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0x89cc080)
    at /build/buildd/kde4libs-4.2.1a/obj-i486-linux-gnu/kdeui/kcmodule.moc:78
No locals.
#3  0xb4640962 in KRandRModule::qt_metacall (this=0x89fcff0, 
    _c=QMetaObject::InvokeMetaMethod, _id=29, _a=0x89cc080)
    at /build/buildd/kdebase-workspace-4.2.1a/obj-i486-linux-gnu/kcontrol/randr/krandrmodule.moc:58
No locals.
#4  0xb753e90b in QMetaCallEvent::placeMetaCall ()
   from /usr/lib/libQtCore.so.4
#5  0xb75403b0 in QObject::event () from /usr/lib/libQtCore.so.4
#6  0xb6b37500 in QWidget::event () from /usr/lib/libQtGui.so.4
#7  0xb6ae0f5c in QApplicationPrivate::notify_helper ()
   from /usr/lib/libQtGui.so.4
#8  0xb6ae9342 in QApplication::notify () from /usr/lib/libQtGui.so.4
#9  0xb7a7c70d in KApplication::notify (this=0xbfb75cc4, receiver=0x89fcff0, 
    event=0x89d9628)
    at /build/buildd/kde4libs-4.2.1a/kdeui/kernel/kapplication.cpp:307
No locals.
#10 0xb752fa4b in QCoreApplication::notifyInternal ()
   from /usr/lib/libQtCore.so.4
#11 0xb75306a5 in QCoreApplicationPrivate::sendPostedEvents ()
   from /usr/lib/libQtCore.so.4
#12 0xb753089d in QCoreApplication::sendPostedEvents ()
   from /usr/lib/libQtCore.so.4
#13 0xb755b7ff in ?? () from /usr/lib/libQtCore.so.4
#14 0xb6377a58 in IA__g_main_context_dispatch (context=0x885bb10)
    at /build/buildd/glib2.0-2.20.0/glib/gmain.c:1814
No locals.
#15 0xb637afbb in g_main_context_iterate (context=0x885bb10, block=1, 
    dispatch=1, self=0x885a2a0)
    at /build/buildd/glib2.0-2.20.0/glib/gmain.c:2448
	max_priority = 0
	timeout = 0
	some_ready = 1
	nfds = 4
	allocated_nfds = <value optimized out>
	fds = (GPollFD *) 0x89de4b8
	__PRETTY_FUNCTION__ = "g_main_context_iterate"
#16 0xb637b138 in IA__g_main_context_iteration (context=0x885bb10, 
    may_block=1) at /build/buildd/glib2.0-2.20.0/glib/gmain.c:2511
	retval = <value optimized out>
#17 0xb755b448 in QEventDispatcherGlib::processEvents ()
   from /usr/lib/libQtCore.so.4
#18 0xb6b82425 in ?? () from /usr/lib/libQtGui.so.4
#19 0xb752e07a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#20 0xb752e4ba in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#21 0xb7530969 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#22 0xb6ae0dd7 in QApplication::exec () from /usr/lib/libQtGui.so.4
#23 0x08056c3b in main (argc=5, argv=0xbfb75f04)
    at /build/buildd/kdebase-workspace-4.2.1a/systemsettings/main.cpp:67
	aboutData = {d = 0x8848eb8}
	application = {<KApplication> = {<> = {<No data fields>}, 
    static staticMetaObject = {d = {superdata = 0xb736e108, 
        stringdata = 0xb7bf60e0 "KApplication", data = 0xb7bf6280, 
        extradata = 0x0}}, static loadedByKdeinit = false, 
    static KApp = 0xbfb75cc4, d = 0x889a5e0}, static staticMetaObject = {d = {
      superdata = 0xb7c1dca0, stringdata = 0xb7bf6aa0 "KUniqueApplication", 
      data = 0xb7bf6ba0, extradata = 0x0}}, d = 0x88e9db0}