Version:            (using KDE 4.2.2)
Installed from:    Unlisted Binary Package

When two screens are configured with nvidia-settings, to act as two separate X screens and have Xinerama enabled, trying to open the Display module in System Settings results in the following crash/trace:

Application: System Settings (systemsettings), signal SIGSEGV

Thread 1 (Thread 0xb6073700 (LWP 2876)):
[KCrash Handler]
#6  LegacyRandRConfig::load (this=0x72006f) at /var/tmp/portage/kde-base/systemsettings-4.2.2/work/systemsettings-4.2.2/kcontrol/randr/legacyrandrconfig.cpp:67
#7  0xb4945a4b in KRandRModule::load (this=0x831cb20) at /var/tmp/portage/kde-base/systemsettings-4.2.2/work/systemsettings-4.2.2/kcontrol/randr/krandrmodule.cpp:106
#8  0xb7a41a6b in KCModule::qt_metacall (this=0x831cb20, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0x859ff90) at /var/tmp/portage/kde-base/kdelibs-4.2.2/work/kdelibs_build/kdeui/kcmodule.moc:78
#9  0xb4944e92 in KRandRModule::qt_metacall (this=0x831cb20, _c=QMetaObject::InvokeMetaMethod, _id=29, _a=0x859ff90)
    at /var/tmp/portage/kde-base/systemsettings-4.2.2/work/systemsettings_build/kcontrol/randr/krandrmodule.moc:58
#10 0xb746bdeb in QMetaCallEvent::placeMetaCall (this=0x8576e40, object=0x831cb20) at kernel/qobject.cpp:489
#11 0xb746e010 in QObject::event (this=0x831cb20, e=0x8576e40) at kernel/qobject.cpp:1106
#12 0xb6b7c627 in QWidget::event (this=0x831cb20, event=0x8576e40) at kernel/qwidget.cpp:7913
#13 0xb6b22ccc in QApplicationPrivate::notify_helper (this=0x82dc770, receiver=0x831cb20, e=0x8576e40) at kernel/qapplication.cpp:4084
#14 0xb6b2b912 in QApplication::notify (this=0xbfd8c748, receiver=0x831cb20, e=0x8576e40) at kernel/qapplication.cpp:4049
#15 0xb7983bbd in KApplication::notify (this=0xbfd8c748, receiver=0x831cb20, event=0x8576e40) at /var/tmp/portage/kde-base/kdelibs-4.2.2/work/kdelibs-4.2.2/kdeui/kernel/kapplication.cpp:307
#16 0xb745d0ab in QCoreApplication::notifyInternal (this=0xbfd8c748, receiver=0x831cb20, event=0x8576e40) at kernel/qcoreapplication.cpp:598
#17 0xb7460a53 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x82c52c0) at kernel/qcoreapplication.h:213
#18 0xb7460c5d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1132
#19 0xb7487ccf in postEventSourceDispatch (s=0x82de8a0) at kernel/qcoreapplication.h:218
#20 0xb6409288 in IA__g_main_context_dispatch (context=0x82de820) at gmain.c:2144
#21 0xb640c923 in g_main_context_iterate (context=0x82de820, block=1, dispatch=1, self=0x82e48f0) at gmain.c:2778
#22 0xb640cae1 in IA__g_main_context_iteration (context=0x82de820, may_block=1) at gmain.c:2841
#23 0xb74879b8 in QEventDispatcherGlib::processEvents (this=0x82dc1d8, flags={i = -1076312760}) at kernel/qeventdispatcher_glib.cpp:323
#24 0xb6bbade5 in QGuiEventDispatcherGlib::processEvents (this=0x82dc1d8, flags={i = -1076312712}) at kernel/qguieventdispatcher_glib.cpp:202
#25 0xb745baea in QEventLoop::processEvents (this=0xbfd8c5e0, flags={i = -1076312648}) at kernel/qeventloop.cpp:149
#26 0xb745bcaa in QEventLoop::exec (this=0xbfd8c5e0, flags={i = -1076312600}) at kernel/qeventloop.cpp:196
#27 0xb7460d21 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#28 0xb6b229f7 in QApplication::exec () at kernel/qapplication.cpp:3553
#29 0x08057adf in main (argc=1, argv=0xbfd8c884) at /var/tmp/portage/kde-base/systemsettings-4.2.2/work/systemsettings-4.2.2/systemsettings/main.cpp:67