https://bugs.kde.org/show_bug.cgi?id=468952
--- Comment #7 from Waqar Ahmed <waqar....@gmail.com> --- Here you go: #0 0x00007ff739e4a8b9 in QQuickWindowPrivate::queryPointerEventInstance(QQuickPointerDevice*, QEvent::Type) const () at /usr/lib/libQt5Quick.so.5 #1 0x00007ff739e4acd9 in QQuickWindow::mouseGrabberItem() const () at /usr/lib/libQt5Quick.so.5 #2 0x00007ff739e4e92f in QQuickWindowPrivate::removeGrabber(QQuickItem*, bool, bool) () at /usr/lib/libQt5Quick.so.5 #3 0x00007ff739e319c5 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () at /usr/lib/libQt5Quick.so.5 #4 0x00007ff739e319f8 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () at /usr/lib/libQt5Quick.so.5 #5 0x00007ff739e319f8 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () at /usr/lib/libQt5Quick.so.5 #6 0x00007ff739e319f8 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () at /usr/lib/libQt5Quick.so.5 #7 0x00007ff739e319f8 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () at /usr/lib/libQt5Quick.so.5 #8 0x00007ff739e319f8 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () at /usr/lib/libQt5Quick.so.5 #9 0x00007ff739e319f8 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () at /usr/lib/libQt5Quick.so.5 #10 0x00007ff739e319f8 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () at /usr/lib/libQt5Quick.so.5 #11 0x00007ff739e319f8 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () at /usr/lib/libQt5Quick.so.5 #12 0x00007ff739e31b39 in QQuickItemPrivate::setVisible(bool) () at /usr/lib/libQt5Quick.so.5 #13 0x00007ff739e3fd43 in QQuickItem::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib/libQt5Quick.so.5 #14 0x00007ff73ade4fcd in PlasmaQuick::AppletQuickItem::qt_metacall(QMetaObject::Call, int, void**) (this=0x56429ff82530, _c=QMetaObject::WriteProperty, _id=12, _a=0x7ffd97cf9050) at KF5PlasmaQuick_autogen/include/moc_appletquickitem.cpp:364 #15 0x00007ff72bfb98fd in AppletInterface::qt_metacall(QMetaObject::Call, int, void**) (this=0x56429ff82530, _c=QMetaObject::WriteProperty, _id=12, _a=0x7ffd97cf9050) at plasma_appletscript_declarative_autogen/include/moc_appletinterface.cpp:887 #16 0x00007ff72bfd12cd in ContainmentInterface::qt_metacall(QMetaObject::Call, int, void**) (this=0x56429ff82530, _c=QMetaObject::WriteProperty, _id=12, _a=0x7ffd97cf9050) at plasma_appletscript_declarative_autogen/include/moc_containmentinterface.cpp:459 #17 0x00007ff73983c823 in () at /usr/lib/libQt5Qml.so.5 #18 0x00007ff7397752f2 in QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*, QV4::Value const&) () at /usr/lib/libQt5Qml.so.5 #19 0x00007ff739775876 in QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, QV4::Value const&) () at /usr/lib/libQt5Qml.so.5 #20 0x00007ff7397759d7 in QV4::QObjectWrapper::virtualPut(QV4::Managed*, QV4::PropertyKey, QV4::Value const&, QV4::Value*) () at /usr/lib/libQt5Qml.so.5 #21 0x00007ff739723a75 in QV4::Lookup::setterFallback(QV4::Lookup*, QV4::ExecutionEngine*, QV4::Value&, QV4::Value const&) () at /usr/lib/libQt5Qml.so.5 #22 0x00007ff73978eaff in () at /usr/lib/libQt5Qml.so.5 #23 0x00007ff739794804 in () at /usr/lib/libQt5Qml.so.5 #24 0x00007ff739736c36 in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) () at /usr/lib/libQt5Qml.so.5 #25 0x00007ff7398971ad in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () at /usr/lib/libQt5Qml.so.5 #26 0x00007ff7398537f1 in QQmlBoundSignalExpression::evaluate(void**) () at /usr/lib/libQt5Qml.so.5 #27 0x00007ff73985476c in () at /usr/lib/libQt5Qml.so.5 #28 0x00007ff73987647f in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/libQt5Qml.so.5 #29 0x00007ff737abe740 in () at /usr/lib/libQt5Core.so.5 #30 0x00007ff739831fcb in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () at /usr/lib/libQt5Qml.so.5 #31 0x00007ff737a9ea0c in QMetaProperty::write(QObject*, QVariant const&) const () at /usr/lib/libQt5Core.so.5 #32 0x00007ff737abaf52 in QObject::setProperty(char const*, QVariant const&) () at /usr/lib/libQt5Core.so.5 #33 0x00007ff73ae025b8 in PlasmaQuick::ContainmentViewPrivate::setContainment(Plasma::Containment*) (this=0x5642a0968bd0, cont=0x56429ff74c70) at /home/waqar/kde/src/frameworks/plasma-framework/src/plasmaquick/containmentview.cpp:124 #34 0x00007ff73ae03361 in PlasmaQuick::ContainmentView::setContainment(Plasma::Containment*) (this=0x5642a0f9e500, cont=0x56429ff74c70) at /home/waqar/kde/src/frameworks/plasma-framework/src/plasmaquick/containmentview.cpp:251 #35 0x000056429f2d337a in ShellCorona::createWaitingPanels() (this=0x56429f958880) at /home/waqar/kde/src/plasma/plasma-workspace/shell/shellcorona.cpp:1488 #36 0x000056429f2f93d8 in QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, void (ShellCorona::*)()>::call(void (ShellCorona::*)(), ShellCorona*, void**) (f=(void (ShellCorona::*)(ShellCorona * const)) 0x56429f2d2f40 <ShellCorona::createWaitingPanels()>, o=0x56429f958880, arg=0x7ffd97cfbae0) at /usr/include/qt/QtCore/qobjectdefs_impl.h:152 #37 0x000056429f2f933d in QtPrivate::FunctionPointer<void (ShellCorona::*)()>::call<QtPrivate::List<>, void>(void (ShellCorona::*)(), ShellCorona*, void**) (f=(void (ShellCorona::*)(ShellCorona * const)) 0x56429f2d2f40 <ShellCorona::createWaitingPanels()>, o=0x56429f958880, arg=0x7ffd97cfbae0) at /usr/include/qt/QtCore/qobjectdefs_impl.h:185 --Type <RET> for more, q to quit, c to continue without paging-- #38 0x000056429f2f9282 in QtPrivate::QSlotObject<void (ShellCorona::*)(), QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) (which=1, this_=0x56429f981560, r=0x56429f958880, a=0x7ffd97cfbae0, ret=0x0) at /usr/include/qt/QtCore/qobjectdefs_impl.h:418 #39 0x00007ff737abea71 in () at /usr/lib/libQt5Core.so.5 #40 0x00007ff737ac0fcf in QTimer::timeout(QTimer::QPrivateSignal) () at /usr/lib/libQt5Core.so.5 #41 0x00007ff737ab1b56 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5 #42 0x00007ff738978b5c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5 #43 0x00007ff737a8df48 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5 #44 0x00007ff737ad84b3 in QTimerInfoList::activateTimers() () at /usr/lib/libQt5Core.so.5 #45 0x00007ff737ad8af2 in () at /usr/lib/libQt5Core.so.5 #46 0x00007ff736ada53b in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0 #47 0x00007ff736b37219 in () at /usr/lib/libglib-2.0.so.0 #48 0x00007ff736ad91a2 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0 #49 0x00007ff737ad8c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #50 0x00007ff737a866ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #51 0x00007ff737a91219 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5 #52 0x000056429f29febc in main(int, char**) (argc=2, argv=0x7ffd97cfc7e8) at /home/waqar/kde/src/plasma/plasma-workspace/shell/main.cpp:236 This is latest kf5/plasma-5.27 I reproduce by just plugging/unplugging the external display. -- You are receiving this mail because: You are watching all bug changes.