#0  0x00007fffd74628b4 in  ()
    at /usr/lib/qt/qml/org/kde/plasma/core/libcorebindingsplugin.so
#1  0x00007ffff5bd7cff in QAbstractProxyModel::setSourceModel(QAbstractItemModel*) ()
    at /usr/lib/libQt5Core.so.5
#2  0x00007ffff5be9ab1 in QSortFilterProxyModel::setSourceModel(QAbstractItemModel*) ()
    at /usr/lib/libQt5Core.so.5
#3  0x00007fffd746344a in  ()
    at /usr/lib/qt/qml/org/kde/plasma/core/libcorebindingsplugin.so
#4  0x00007fffd748a256 in  ()
    at /usr/lib/qt/qml/org/kde/plasma/core/libcorebindingsplugin.so
#5  0x00007ffff7427684 in  () at /usr/lib/libQt5Qml.so.5
#6  0x00007ffff7428be8 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007ffff74253f3 in QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) ()
    at /usr/lib/libQt5Qml.so.5
#8  0x00007ffff7432a44 in QQmlObjectCreator::finalize(QQmlInstantiationInterrupt&) ()
    at /usr/lib/libQt5Qml.so.5
#9  0x00007ffff73bd06b in  () at /usr/lib/libQt5Qml.so.5
#10 0x00007ffff73bd657 in QQmlEnginePrivate::incubate(QQmlIncubator&, QQmlContextData*)
    () at /usr/lib/libQt5Qml.so.5
#11 0x00007ffff73b9f77 in QQmlComponent::create(QQmlIncubator&, QQmlContext*, QQmlContext*) () at /usr/lib/libQt5Qml.so.5
#12 0x00007ffff7aa1702 in KDeclarative::QmlObject::createObjectFromComponent(QQmlComponent*, QQmlContext*, QHash<QString, QVariant> const&) () at /usr/lib/libKF5Declarative.so.5
#13 0x00007ffff7f3e06f in  () at /usr/lib/libKF5PlasmaQuick.so.5
#14 0x00007ffff7f3e27c in  () at /usr/lib/libKF5PlasmaQuick.so.5
#15 0x00007ffff7f3ea56 in  () at /usr/lib/libKF5PlasmaQuick.so.5
#16 0x00007ffff5c3fb57 in  () at /usr/lib/libQt5Core.so.5
#17 0x00007ffff5c3410b in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#18 0x00007ffff6748e24 in QApplicationPrivate::notify_helper(QObject*, QEvent*) ()
    at /usr/lib/libQt5Widgets.so.5
#19 0x00007ffff67506e1 in QApplication::notify(QObject*, QEvent*) ()
    at /usr/lib/libQt5Widgets.so.5
#20 0x00007ffff5c08e99 in QCoreApplication::notifyInternal2(QObject*, QEvent*) ()
    at /usr/lib/libQt5Core.so.5
#21 0x00007ffff5c5e095 in QTimerInfoList::activateTimers() () at /usr/lib/libQt5Core.so.5
#22 0x00007ffff5c5e95a in  () at /usr/lib/libQt5Core.so.5
#23 0x00007ffff3bf57bf in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#24 0x00007ffff3bf7739 in  () at /usr/lib/libglib-2.0.so.0
#25 0x00007ffff3bf777e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#26 0x00007ffff5c5ece9 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#27 0x00007ffff5c07b2c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ()
    at /usr/lib/libQt5Core.so.5
#28 0x00007ffff5c0fe36 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#29 0x0000555555570d2e in  ()
#30 0x00007ffff565f223 in __libc_start_main () at /usr/lib/libc.so.6
#31 0x00005555555711de in _start ()