$ QV4_NO_SSA=1 QV4_NO_OPT=1 QV4_FORCE_INTERPRETER=1 QML_DISABLE_OPTIMIZER=1 gdb --ex run plasmashell [...] Program received signal SIGSEGV, Segmentation fault. 0x00007ffff50266a5 in setPointer (p=, this=) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/jsruntime/qv4scopedvalue_p.h:206 206 /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/jsruntime/qv4scopedvalue_p.h: No such file or directory. (gdb) bt #0 0x00007ffff50266a5 in setPointer (p=, this=) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/jsruntime/qv4scopedvalue_p.h:206 #1 Scoped (v=..., scope=, this=) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/jsruntime/qv4scopedvalue_p.h:228 #2 toVariant (e=0x5555560fea60, value=..., typeHint=, createJSValueForObjects=, visitedObjects=visitedObjects@entry=0x0) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/jsruntime/qv4engine.cpp:1252 #3 0x00007ffff5026b46 in QV4::ExecutionEngine::toVariant (this=, value=..., typeHint=, createJSValueForObjects=) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/jsruntime/qv4engine.cpp:1168 #4 0x00007ffff50fd09e in QQmlPropertyPrivate::writeBinding (object=0x5555561acff0, core=..., context=, expression=expression@entry=0x5555561adcc0, result=..., isUndefined=isUndefined@entry=false, flags=...) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/qml/qqmlproperty.cpp:1520 #5 0x00007ffff517bddf in QQmlBinding::update (this=0x5555561adca0, flags=...) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/qml/qqmlbinding.cpp:220 #6 0x00007ffff517c5be in update (this=) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/qml/qqmlbinding_p.h:97 #7 QQmlBinding::expressionChanged (e=) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/qml/qqmlbinding.cpp:281 #8 0x00007ffff515277f in QQmlNotifier::emitNotify (endpoint=0x5555561af388, a=a@entry=0x0) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/qml/qqmlnotifier.cpp:73 #9 0x00007ffff5152742 in QQmlNotifier::emitNotify (endpoint=0x5555561af548, a=a@entry=0x0) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/qml/qqmlnotifier.cpp:68 #10 0x00007ffff50e57d4 in QQmlData::signalEmitted (object=0x5555561ab4b0, index=4, a=0x0) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/qml/qqmlengine.cpp:745 #11 0x00007ffff329d3e9 in QMetaObject::activate (sender=0x5555561ab4b0, signalOffset=, local_signal_index=, argv=argv@entry=0x0) at /var/tmp/portage/dev-qt/qtcore-5.5.9999/work/qtcore-5.5.9999/src/corelib/kernel/qobject.cpp:3604 #12 0x00007ffff50da9eb in QQmlVMEMetaObject::activate (this=this@entry=0x5555561ab600, object=, index=, args=args@entry=0x0) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/qml/qqmlvmemetaobject.cpp:1324 #13 0x00007ffff50dc762 in QQmlVMEMetaObject::metaCall (this=0x5555561ab600, c=, _id=, a=) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/qml/qqmlvmemetaobject.cpp:841 #14 0x00007ffff50fab8a in QQmlPropertyPrivate::write (object=object@entry=0x5555561ab4b0, property=..., value=..., context=, flags=...) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/qml/qqmlproperty.cpp:1312 #15 0x00007ffff50b0e20 in QV4::QObjectWrapper::setProperty (object=object@entry=0x5555561ab4b0, ctx=0x7fff226ff268, property=0x7fff1c0656e8, value=...) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/jsruntime/qv4qobjectwrapper.cpp:556 #16 0x00007ffff50b12a7 in QV4::QObjectWrapper::setQmlProperty (engine=engine@entry=0x5555560fea60, qmlContext=0x5555561a23c0, object=0x5555561ab4b0, name=name@entry=0x7fff226ff258, revisionMode=revisionMode@entry=QV4::QObjectWrapper::IgnoreRevision, value=...) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/jsruntime/qv4qobjectwrapper.cpp:443 #17 0x00007ffff50b1428 in QV4::QObjectWrapper::put (m=0x7fff226ff260, name=0x7fff226ff258, value=...) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/jsruntime/qv4qobjectwrapper.cpp:693 #18 0x00007ffff50c2d57 in put (v=..., name=, this=) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/jsruntime/qv4object_p.h:280 #19 QV4::Runtime::setProperty (engine=engine@entry=0x5555560fea60, object=..., nameIndex=, value=...) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/jsruntime/qv4runtime.cpp:567 #20 0x00007ffff50b4083 in QV4::Moth::VME::run (this=this@entry=0x7fffffffc0af, engine=engine@entry=0x5555560fea60, code=0x7fff1c08ed58 "XU\v\365\377\177", code@entry=0x7fff1c08ec68 "8>\v\365\377\177", storeJumpTable=storeJumpTable@entry=0x0) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/jsruntime/qv4vme_moth.cpp:496 #21 0x00007ffff50b60f9 in QV4::Moth::VME::exec (engine=0x5555560fea60, code=0x7fff1c08ec68 "8>\v\365\377\177") at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/jsruntime/qv4vme_moth.cpp:925 #22 0x00007ffff50647c2 in QV4::SimpleScriptFunction::call (that=, callData=) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/jsruntime/qv4functionobject.cpp:539 #23 0x00007ffff5173aab in call (d=, this=) at ../../include/QtQml/5.5.0/QtQml/private/../../../../../../qtdeclarative-5.5.9999/src/qml/jsruntime/qv4object_p.h:302 #24 QQmlJavaScriptExpression::evaluate (this=this@entry=0x5555561aee50, context=, function=..., callData=callData@entry=0x7fff226ff008, isUndefined=isUndefined@entry=0x0) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/qml/qqmljavascriptexpression.cpp:157 #25 0x00007ffff510d05c in QQmlBoundSignalExpression::evaluate (this=, a=a@entry=0x0) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/qml/qqmlboundsignal.cpp:281 #26 0x00007ffff510d480 in QQmlBoundSignal_callback (e=, a=0x0) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/qml/qqmlboundsignal.cpp:408 #27 0x00007ffff515277f in QQmlNotifier::emitNotify (endpoint=0x5555561aedf8, a=a@entry=0x0) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/qml/qqmlnotifier.cpp:73 #28 0x00007ffff5152742 in QQmlNotifier::emitNotify (endpoint=0x5555561af698, a=a@entry=0x0) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/qml/qqmlnotifier.cpp:68 #29 0x00007ffff50e57d4 in QQmlData::signalEmitted (object=0x5555561a4a50, index=29, a=0x0) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/qml/qqmlengine.cpp:745 #30 0x00007ffff329d3e9 in QMetaObject::activate (sender=0x5555561a4a50, signalOffset=, local_signal_index=, argv=argv@entry=0x0) at /var/tmp/portage/dev-qt/qtcore-5.5.9999/work/qtcore-5.5.9999/src/corelib/kernel/qobject.cpp:3604 #31 0x00007ffff50da9eb in QQmlVMEMetaObject::activate (this=this@entry=0x5555561a5390, object=, index=, args=args@entry=0x0) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/qml/qqmlvmemetaobject.cpp:1324 #32 0x00007ffff50dc762 in QQmlVMEMetaObject::metaCall (this=0x5555561a5390, c=, _id=, a=) at /var/tmp/portage/dev-qt/qtdeclarative-5.5.9999/work/qtdeclarative-5.5.9999/src/qml/qml/qqmlvmemetaobject.cpp:841 #33 0x00007ffff3276dbb in QMetaProperty::write (this=this@entry=0x7fffffffca60, object=object@entry=0x5555561a4a50, value=...) at /var/tmp/portage/dev-qt/qtcore-5.5.9999/work/qtcore-5.5.9999/src/corelib/kernel/qmetaobject.cpp:3065 #34 0x00007ffff32a7b7f in QObject::setProperty (this=0x5555561a4a50, name=name@entry=0x7ffff704cd7f "containment", value=...) at /var/tmp/portage/dev-qt/qtcore-5.5.9999/work/qtcore-5.5.9999/src/corelib/kernel/qobject.cpp:3865 #35 0x00007ffff7034e83 in PlasmaQuick::ViewPrivate::setContainment (this=0x55555618ffa0, cont=cont@entry=0x555556057300) at /var/tmp/portage/kde-frameworks/plasma-5.7.0/work/plasma-framework-5.7.0/src/plasmaquick/view.cpp:126 #36 0x00007ffff70352ff in PlasmaQuick::View::setContainment (this=, cont=cont@entry=0x555556057300) at /var/tmp/portage/kde-frameworks/plasma-5.7.0/work/plasma-framework-5.7.0/src/plasmaquick/view.cpp:238 #37 0x00005555555adf0c in ShellCorona::addOutput (this=this@entry=0x5555558b68c0, output=...) at /var/tmp/portage/kde-plasma/plasma-workspace-5.2.1/work/plasma-workspace-5.2.1/shell/shellcorona.cpp:859 #38 0x00005555555b0c1f in ShellCorona::load (this=0x5555558b68c0) at /var/tmp/portage/kde-plasma/plasma-workspace-5.2.1/work/plasma-workspace-5.2.1/shell/shellcorona.cpp:351 #39 0x00005555555b13e9 in operator() (op=, __closure=) at /var/tmp/portage/kde-plasma/plasma-workspace-5.2.1/work/plasma-workspace-5.2.1/shell/shellcorona.cpp:289 #40 call (arg=, f=...) at /usr/include/qt5/QtCore/qobjectdefs_impl.h:494 #41 call, void> (arg=, f=...) at /usr/include/qt5/QtCore/qobjectdefs_impl.h:551 #42 QtPrivate::QFunctorSlotObject, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=, this_=, r=, a=, ret=) at /usr/include/qt5/QtCore/qobject_impl.h:192 #43 0x00007ffff329d5eb in call (a=0x7fffffffd080, r=0x5555558b68c0, this=0x555555abe290) at ../../include/QtCore/../../../qtcore-5.5.9999/src/corelib/kernel/qobject_impl.h:124 #44 QMetaObject::activate (sender=sender@entry=0x555555aa4030, signalOffset=, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fffffffd080) at /var/tmp/portage/dev-qt/qtcore-5.5.9999/work/qtcore-5.5.9999/src/corelib/kernel/qobject.cpp:3703 #45 0x00007ffff329e315 in QMetaObject::activate (sender=sender@entry=0x555555aa4030, m=m@entry=0x7ffff5d9cec0 , local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fffffffd080) at /var/tmp/portage/dev-qt/qtcore-5.5.9999/work/qtcore-5.5.9999/src/corelib/kernel/qobject.cpp:3583 #46 0x00007ffff5b8fa7c in KScreen::ConfigOperation::finished (this=this@entry=0x555555aa4030, _t1=_t1@entry=0x555555aa4030) at /var/tmp/portage/kde-plasma/libkscreen-5.2.1/work/libkscreen-5.2.1_build/src/moc_configoperation.cpp:145 #47 0x00007ffff5b76f36 in KScreen::ConfigOperationPrivate::doEmitResult (this=) at /var/tmp/portage/kde-plasma/libkscreen-5.2.1/work/libkscreen-5.2.1/src/configoperation.cpp:55 #48 0x00007ffff329ec86 in QObject::event (this=0x555555abcb00, e=) at /var/tmp/portage/dev-qt/qtcore-5.5.9999/work/qtcore-5.5.9999/src/corelib/kernel/qobject.cpp:1246 #49 0x00007ffff3bb7ddc in QApplicationPrivate::notify_helper (this=this@entry=0x555555802d10, receiver=receiver@entry=0x555555abcb00, e=e@entry=0x5555558c4660) at /var/tmp/portage/dev-qt/qtwidgets-5.5.9999/work/qtwidgets-5.5.9999/src/widgets/kernel/qapplication.cpp:3716 #50 0x00007ffff3bbd7ba in QApplication::notify (this=0x7fffffffd910, receiver=0x555555abcb00, e=0x5555558c4660) at /var/tmp/portage/dev-qt/qtwidgets-5.5.9999/work/qtwidgets-5.5.9999/src/widgets/kernel/qapplication.cpp:3499 #51 0x00007ffff32659cd in QCoreApplication::notifyInternal (this=0x7fffffffd910, receiver=0x555555abcb00, event=event@entry=0x5555558c4660) at /var/tmp/portage/dev-qt/qtcore-5.5.9999/work/qtcore-5.5.9999/src/corelib/kernel/qcoreapplication.cpp:963 #52 0x00007ffff326842b in sendEvent (event=0x5555558c4660, receiver=) at /var/tmp/portage/dev-qt/qtcore-5.5.9999/work/qtcore-5.5.9999/src/corelib/kernel/qcoreapplication.h:228 #53 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x5555557f9f60) at /var/tmp/portage/dev-qt/qtcore-5.5.9999/work/qtcore-5.5.9999/src/corelib/kernel/qcoreapplication.cpp:1580 #54 0x00007ffff3268abe in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at /var/tmp/portage/dev-qt/qtcore-5.5.9999/work/qtcore-5.5.9999/src/corelib/kernel/qcoreapplication.cpp:1438 #55 0x00007ffff32cd8d9 in postEventSourceDispatch (s=0x5555557f9230) at /var/tmp/portage/dev-qt/qtcore-5.5.9999/work/qtcore-5.5.9999/src/corelib/kernel/qeventdispatcher_glib.cpp:271 #56 0x00007fffee5989c4 in g_main_dispatch (context=0x7fffe0001e00) at /var/tmp/portage/dev-libs/glib-2.40.0-r1/work/glib-2.40.0/glib/gmain.c:3064 #57 g_main_context_dispatch (context=context@entry=0x7fffe0001e00) at /var/tmp/portage/dev-libs/glib-2.40.0-r1/work/glib-2.40.0/glib/gmain.c:3663 #58 0x00007fffee598c18 in g_main_context_iterate (context=context@entry=0x7fffe0001e00, block=block@entry=1, dispatch=dispatch@entry=1, self=) at /var/tmp/portage/dev-libs/glib-2.40.0-r1/work/glib-2.40.0/glib/gmain.c:3734 #59 0x00007fffee598d0c in g_main_context_iteration (context=0x7fffe0001e00, may_block=1) at /var/tmp/portage/dev-libs/glib-2.40.0-r1/work/glib-2.40.0/glib/gmain.c:3795 #60 0x00007ffff32cc991 in QEventDispatcherGlib::processEvents (this=0x5555557f95f0, flags=...) at /var/tmp/portage/dev-qt/qtcore-5.5.9999/work/qtcore-5.5.9999/src/corelib/kernel/qeventdispatcher_glib.cpp:418 #61 0x00007ffff3262e4b in QEventLoop::exec (this=this@entry=0x7fffffffd780, flags=..., flags@entry=...) at /var/tmp/portage/dev-qt/qtcore-5.5.9999/work/qtcore-5.5.9999/src/corelib/kernel/qeventloop.cpp:204 #62 0x00007ffff326c21e in QCoreApplication::exec () at /var/tmp/portage/dev-qt/qtcore-5.5.9999/work/qtcore-5.5.9999/src/corelib/kernel/qcoreapplication.cpp:1216 #63 0x0000555555586c2b in main (argc=1, argv=) at /var/tmp/portage/kde-plasma/plasma-workspace-5.2.1/work/plasma-workspace-5.2.1/shell/main.cpp:150