#0 0x00007f50c7b27d7f in raise () at /usr/lib/libc.so.6
#1 0x00007f50c7b12672 in abort () at /usr/lib/libc.so.6
#2 0x00007f50c81f2284 in qt_message_fatal(QtMsgType, QMessageLogContext const&, QString const&) (context=..., message=...) at /home/david/projects/qt5/qtbase/src/corelib/global/qlogging.cpp:1901
#3 0x00007f50c81f2ecf in QMessageLogger::fatal(char const*, ...) const (this=this@entry=0x7ffc9381cc70, msg=msg@entry=0x7f50cb84cc2d "%s") at /home/david/projects/qt5/qtbase/src/corelib/global/qlogging.cpp:887
#4 0x00007f50cb6031f5 in QSGRenderLoop::handleContextCreationFailure(QQuickWindow*, bool) (this=this@entry=0x560523b369f0, window=0x560524224c60, isEs=isEs@entry=false)
at /home/david/projects/qt5-build/qtbase/include/QtCore/../../../../qt5/qtbase/src/corelib/tools/qarraydata.h:208
#5 0x00007f50cb62897f in QSGThreadedRenderLoop::handleExposure(QQuickWindow*) (this=this@entry=0x560523b369f0, window=window@entry=0x560524224c60)
at /home/david/projects/qt5/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:978
#6 0x00007f50cb628af5 in QSGThreadedRenderLoop::exposureChanged(QQuickWindow*) (this=0x560523b369f0, window=0x560524224c60) at /home/david/projects/qt5/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:916
#7 0x00007f50cb682a5a in QQuickWindow::exposeEvent(QExposeEvent*) (this=<optimized out>) at /home/david/projects/qt5/qtdeclarative/src/quick/items/qquickwindow.cpp:229
#8 0x00007f50c87e3286 in QWindow::event(QEvent*) (this=this@entry=0x560524224c60, ev=ev@entry=0x7ffc9381d6e0) at /home/david/projects/qt5/qtbase/src/gui/kernel/qwindow.cpp:2309
#9 0x00007f50cb693e37 in QQuickWindow::event(QEvent*) (this=0x560524224c60, e=0x7ffc9381d6e0) at /home/david/projects/qt5/qtdeclarative/src/quick/items/qquickwindow.cpp:1673
#10 0x00007f5015edd6df in PlasmaQuick::Dialog::event(QEvent*) (this=0x560524224c60, event=0x7ffc9381d6e0) at /home/david/projects/kde5/src/frameworks/plasma-framework/src/plasmaquick/dialog.cpp:1300
#11 0x00007f50c8e19ead in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x5605236d4d60, receiver=receiver@entry=0x560524224c60, e=e@entry=0x7ffc9381d6e0)
at /home/david/projects/qt5/qtbase/src/widgets/kernel/qapplication.cpp:3736
#12 0x00007f50c8e21c2b in QApplication::notify(QObject*, QEvent*) (this=0x7ffc93820688, receiver=0x560524224c60, e=0x7ffc9381d6e0) at /home/david/projects/qt5/qtbase/src/widgets/kernel/qapplication.cpp:3093
#13 0x00007f50c83c8a67 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x560524224c60, event=0x7ffc9381d6e0) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:1060
#14 0x00007f50c83c8ce0 in QCoreApplication::sendSpontaneousEvent(QObject*, QEvent*) (receiver=receiver@entry=0x560524224c60, event=event@entry=0x7ffc9381d6e0)
at /home/david/projects/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:1462
#15 0x00007f50c87d7dfb in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) (e=<optimized out>) at /home/david/projects/qt5/qtbase/src/gui/kernel/qguiapplication.cpp:3066
#16 0x00007f50c87d7fd6 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) (e=e@entry=0x5605243f1e50)
--Type <RET> for more, q to quit, c to continue without paging--
at /home/david/projects/qt5/qtbase/src/gui/kernel/qguiapplication.cpp:1902
#17 0x00007f50c87a9029 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) (flags=flags@entry=...) at /home/david/projects/qt5/qtbase/src/gui/kernel/qwindowsysteminterface.cpp:1071
#18 0x00007f50c87a93c4 in QWindowSystemInterface::flushWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) (flags=flags@entry=...) at /home/david/projects/qt5/qtbase/src/gui/kernel/qwindowsysteminterface.cpp:1035
#19 0x00007f50c87c6f89 in QPlatformWindow::setVisible(bool) (this=0x5605243d0190, visible=<optimized out>) at ../../include/QtCore/../../../../qt5/qtbase/src/corelib/global/qflags.h:120
#20 0x00007f50c2106c34 in KWin::QPA::Window::setVisible(bool) (this=0x5605243d0190, visible=true) at /home/david/projects/kde5/src/kde/workspace/kwin/plugins/qpa/window.cpp:82
#21 0x00007f50c87e2e93 in QWindowPrivate::setVisible(bool) (this=0x560523a68550, visible=<optimized out>) at /home/david/projects/qt5/qtbase/src/gui/kernel/qwindow.cpp:402
#22 0x00007f50c87db72c in QWindow::setVisible(bool) (this=<optimized out>, visible=<optimized out>) at /home/david/projects/qt5/qtbase/src/gui/kernel/qwindow.cpp:612
#23 0x00007f5015edc7a0 in PlasmaQuick::Dialog::setVisible(bool) (this=0x560524224c60, visible=true) at /home/david/projects/kde5/src/frameworks/plasma-framework/src/plasmaquick/dialog.cpp:1361
at ../../include/QtQml/5.12.2/QtQml/private/../../../../../../../qt5/qtdeclarative/src/qml/jsruntime/qv4scopedvalue_p.h:239
#29 0x00007f50cb1cc042 in QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) (this=0x5605242dd140, flags=..., flags@entry=...) at /home/david/projects/qt5/qtdeclarative/src/qml/qml/qqmlbinding.cpp:185
#30 0x00007f50cb1ccd80 in QQmlBinding::expressionChanged() (this=<optimized out>) at /home/david/projects/qt5-build/qtbase/include/QtCore/../../../../qt5/qtbase/src/corelib/global/qflags.h:120
#31 0x00007f50cb1c1683 in QQmlJavaScriptExpressionGuard_callback(QQmlNotifierEndpoint*, void**) (e=<optimized out>) at /home/david/p
#32 0x00007f50cb19f219 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) (endpoint=<optimized out>, a=a@entry=0x0) at /home
#33 0x00007f50cb13ac7a in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) (object=0x560524224a00, index=3,
#34 0x00007f50c83fb2e5 in QMetaObject::activate(QObject*, int, int, void**) (sender=sender@entry=0x560524224a00, signalOffset=<optim
at ../../include/QtCore/../../../../qt5/qtbase/src/corelib/kernel/qobject.h:121