#0  0x00007ffff5f789b0 in QScopedPointer<QObjectData, QScopedPointerDeleter<QObjectData> >::data (this=0x8) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:143
#1  0x00007ffff5fc2fa0 in qGetPtrHelper<QScopedPointer<QObjectData> > (p=...) at ../../include/QtCore/../../src/corelib/global/qglobal.h:902
#2  0x00007ffff5fc3008 in QScreen::d_func (this=0x0) at kernel/qscreen.h:67
#3  0x00007ffff5fc1fb2 in QScreen::handle (this=0x0) at kernel/qscreen.cpp:82
#4  0x00007fffee4139bf in QXcbWindow::QXcbWindow (this=0xe90800, window=0x67fbe0) at qxcbwindow.cpp:206
#5  0x00007fffee404f55 in QXcbIntegration::createPlatformWindow (this=0x680130, window=0x67fbe0) at qxcbintegration.cpp:184
#6  0x00007ffff5f96ed3 in QWindow::create (this=0x67fbe0) at kernel/qwindow.cpp:476
#7  0x00007ffff5f96d63 in QWindow::setVisible (this=0x67fbe0, visible=true) at kernel/qwindow.cpp:422
#8  0x00007ffff5f99486 in QWindow::showFullScreen (this=0x67fbe0) at kernel/qwindow.cpp:1711
#9  0x000000000041e082 in SDDM::GreeterApp::show (this=0x7fffffffddc0) at /home/mck182/Work/kf5/sddm/src/greeter/GreeterApp.cpp:177
#10 0x000000000042b62f in SDDM::GreeterApp::qt_static_metacall (_o=0x7fffffffddc0, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fffffffcd40)
    at /home/mck182/Work/kf5/sddm/build/src/moc_GreeterApp.cpp:67
#11 0x00007ffff59c2dfd in QMetaObject::activate (sender=0xdddb20, signalOffset=26, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3530
#12 0x00007ffff59c25dc in QMetaObject::activate (sender=0xdddb20, m=0x63a2e0 <SDDM::ScreenModel::staticMetaObject>, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3405
#13 0x000000000042cad5 in SDDM::ScreenModel::primaryChanged (this=0xdddb20) at /home/mck182/Work/kf5/sddm/build/src/moc_ScreenModel.cpp:181
#14 0x0000000000423fc3 in SDDM::ScreenModel::initScreens (this=0xdddb20, first=false) at /home/mck182/Work/kf5/sddm/src/greeter/ScreenModel.cpp:179
#15 0x0000000000423c29 in SDDM::ScreenModel::onScreenChanged (this=0xdddb20) at /home/mck182/Work/kf5/sddm/src/greeter/ScreenModel.cpp:96
#16 0x0000000000423c09 in SDDM::ScreenModel::onScreenAdded (this=0xdddb20, scrn=0x699c20) at /home/mck182/Work/kf5/sddm/src/greeter/ScreenModel.cpp:91
#17 0x000000000042c860 in SDDM::ScreenModel::qt_static_metacall (_o=0xdddb20, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0x7fffffffd130) at /home/mck182/Work/kf5/sddm/build/src/moc_ScreenModel.cpp:99
#18 0x00007ffff59c2dfd in QMetaObject::activate (sender=0x7fffffffddc0, signalOffset=8, local_signal_index=1, argv=0x7fffffffd130) at kernel/qobject.cpp:3530
#19 0x00007ffff59c25dc in QMetaObject::activate (sender=0x7fffffffddc0, m=0x7ffff6657340 <QGuiApplication::staticMetaObject>, local_signal_index=1, argv=0x7fffffffd130) at kernel/qobject.cpp:3405
#20 0x00007ffff5f90957 in QGuiApplication::screenAdded (this=0x7fffffffddc0, _t1=0x699c20) at .moc/debug-shared/moc_qguiapplication.cpp:273
#21 0x00007ffff5f7bf48 in QPlatformIntegration::screenAdded (this=0x680130, ps=0xefc320) at kernel/qplatformintegration.cpp:400
#22 0x00007fffee3fbd62 in QXcbConnection::updateScreens (this=0x68aba0) at qxcbconnection.cpp:244
#23 0x00007fffee3fdc3e in QXcbConnection::handleXcbEvent (this=0x68aba0, event=0x699850) at qxcbconnection.cpp:910
#24 0x00007fffee3fec1a in QXcbConnection::processXcbEvents (this=0x68aba0) at qxcbconnection.cpp:1198