https://bugs.kde.org/show_bug.cgi?id=474113
--- Comment #6 from idoitprone <monkeyboy...@yahoo.com> ---
Thread 1 "kscreenlocker_g" received signal SIGSEGV, Segmentation fault.
bt
QQmlEnginePrivate::singletonInstance<QJSValue> (this=0x555555a9d4c0, type=...)
at
/usr/src/debug/qtdeclarative-everywhere-src-5.15.10+kde26/src/qml/qml/qqmlengine.cpp:2524
2524 QQmlData::ensurePropertyCache(q, o);
(gdb) bt
#0 QQmlEnginePrivate::singletonInstance<QJSValue>(QQmlType const&)
(this=0x555555a9d4c0, type=...) at
/usr/src/debug/qtdeclarative-everywhere-src-5.15.10+kde26/src/qml/qml/qqmlengine.cpp:2524
#1 0x00007ffff6f0f201 in
QQmlEnginePrivate::singletonInstance<QObject*>(QQmlType const&) (type=...,
this=<optimized out>) at
../../include/QtQml/5.15.10/QtQml/private/../../../../../../src/qml/qml/qqmlengine_p.h:464
#2 QV4::QQmlTypeWrapper::virtualResolveLookupGetter(QV4::Object const*,
QV4::ExecutionEngine*, QV4::Lookup*) (object=0x7fffcd3bc510,
engine=0x55555662ebe0, lookup=0x555555ed9560)
at
/usr/src/debug/qtdeclarative-everywhere-src-5.15.10+kde26/src/qml/qml/qqmltypewrapper.cpp:455
#3 0x00007ffff6ddb301 in QV4::Moth::VME::interpret(QV4::CppStackFrame*,
QV4::ExecutionEngine*, char const*)
(frame=0x7fffcc3798c0 <QtPrivate::QSlotObject<void (IconItem::*)(QVariant
const&), QtPrivate::List<QVariant const&>, void>::impl(int,
QtPrivate::QSlotObjectBase*, QObject*, void**, bool*)>,
frame@entry=0x7fffffffbd50, engine=0x55555662ebe0, code=0x7fffafd2de4c
<QmlCacheGeneratedCode::_org_kde_plasma_private_mobileshell_qml_widgets_notifications_NotificationsWidget_qml::qmlData+2988>
":%L\b.&:':(H\001\006\030\006\002") at
/usr/src/debug/qtdeclarative-everywhere-src-5.15.10+kde26/src/qml/jsruntime/qv4vme_moth.cpp:641
#4 0x00007ffff6ddfb3f in QV4::Moth::VME::exec(QV4::CppStackFrame*,
QV4::ExecutionEngine*) (frame=frame@entry=0x7fffffffbd50,
engine=engine@entry=0x55555662ebe0)
at
/usr/src/debug/qtdeclarative-everywhere-src-5.15.10+kde26/src/qml/jsruntime/qv4vme_moth.cpp:466
#5 0x00007ffff6d722d2 in QV4::Function::call(QV4::Value const*, QV4::Value
const*, int, QV4::ExecutionContext const*)
(this=this@entry=0x555555ce28c0, thisObject=<optimized out>,
argv=argv@entry=0x7fffcd3bc500, argc=<optimized out>, context=<optimized out>)
at
/usr/src/debug/qtdeclarative-everywhere-src-5.15.10+kde26/src/qml/jsruntime/qv4function.cpp:69
#6 0x00007ffff6efbeed in QQmlJavaScriptExpression::evaluate(QV4::CallData*,
bool*) (this=this@entry=0x555555b4c360, callData=0x7fffcd3bc4d0,
isUndefined=isUndefined@entry=0x7fffffffbf1f)
at
/usr/src/debug/qtdeclarative-everywhere-src-5.15.10+kde26/src/qml/qml/qqmljavascriptexpression.cpp:212
#7 0x00007ffff6f020f4 in QQmlBinding::evaluate(bool*)
(this=this@entry=0x555555b4c360, isUndefined=isUndefined@entry=0x7fffffffbf1f)
at
../../include/QtQml/5.15.10/QtQml/private/../../../../../../src/qml/jsruntime/qv4jscall_p.h:95
#8 0x00007ffff6f06323 in
QQmlNonbindingBinding::doUpdate(QQmlJavaScriptExpression::DeleteWatcher const&,
QFlags<QQmlPropertyData::WriteFlag>, QV4::Scope&) (this=0x555555b4c360,
watcher=..., flags=..., scope=...)
at
/usr/src/debug/qtdeclarative-everywhere-src-5.15.10+kde26/src/qml/qml/qqmlbinding.cpp:254
#9 0x00007ffff6f03e64 in
QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) (this=0x555555b4c360,
flags=...) at
/usr/src/debug/qtdeclarative-everywhere-src-5.15.10+kde26/src/qml/qml/qqmlbinding.cpp:194
#10 0x00007ffff6f11292 in
QQmlObjectCreator::finalize(QQmlInstantiationInterrupt&) (this=0x5555559c0450,
interrupt=...) at
/usr/src/debug/qtdeclarative-everywhere-src-5.15.10+kde26/src/qml/qml/qqmlobjectcreator.cpp:1393
#11 0x00007ffff6ea7412 in
QQmlIncubatorPrivate::incubate(QQmlInstantiationInterrupt&)
(this=this@entry=0x555556816380, i=...) at
/usr/include/qt5/QtCore/qscopedpointer.h:116
#12 0x00007ffff6ea788d in QQmlEnginePrivate::incubate(QQmlIncubator&,
QQmlContextData*) (this=0x555555a9d4c0, i=<optimized out>,
forContext=<optimized out>)
at
/usr/src/debug/qtdeclarative-everywhere-src-5.15.10+kde26/src/qml/qml/qqmlincubator.cpp:89
#13 0x00007ffff6ea11e6 in QQmlComponent::create(QQmlIncubator&, QQmlContext*,
QQmlContext*) (this=<optimized out>, incubator=..., context=<optimized out>,
forContext=<optimized out>)
at
/usr/src/debug/qtdeclarative-everywhere-src-5.15.10+kde26/src/qml/qml/qqmlcomponent.cpp:1191
#14 0x00007ffff7505e8c in QQuickLoaderPrivate::_q_sourceLoaded()
(this=0x555555906180) at
/usr/src/debug/qtdeclarative-everywhere-src-5.15.10+kde26/src/quick/items/qquickloader.cpp:750
#15 0x00007ffff6f114a3 in
QQmlObjectCreator::finalize(QQmlInstantiationInterrupt&) (this=0x555555c68fb0,
interrupt=...) at
/usr/src/debug/qtdeclarative-everywhere-src-5.15.10+kde26/src/qml/qml/qqmlobjectcreator.cpp:1413
#16 0x00007ffff6ea7412 in
QQmlIncubatorPrivate::incubate(QQmlInstantiationInterrupt&)
(this=this@entry=0x55555625c2c0, i=...) at
/usr/include/qt5/QtCore/qscopedpointer.h:116
#17 0x00007ffff6ea788d in QQmlEnginePrivate::incubate(QQmlIncubator&,
QQmlContextData*) (this=0x555555a9d4c0, i=<optimized out>,
forContext=<optimized out>)
at
/usr/src/debug/qtdeclarative-everywhere-src-5.15.10+kde26/src/qml/qml/qqmlincubator.cpp:89
#18 0x00007ffff6ea11e6 in QQmlComponent::create(QQmlIncubator&, QQmlContext*,
QQmlContext*) (this=<optimized out>, incubator=..., context=<optimized out>,
forContext=<optimized out>)
at
/usr/src/debug/qtdeclarative-everywhere-src-5.15.10+kde26/src/qml/qml/qqmlcomponent.cpp:1191
#19 0x00007ffff7c29f1b in
KDeclarative::QmlObject::completeInitialization(QHash<QString, QVariant>
const&) (initialProperties=<optimized out>, this=0x5555566a1d50)
at /usr/src/debug/kdeclarative-5.109.0/src/kdeclarative/qmlobject.cpp:322
#20 KDeclarative::QmlObject::completeInitialization(QHash<QString, QVariant>
const&) (this=0x5555566a1d50, initialProperties=<optimized out>) at
/usr/src/debug/kdeclarative-5.109.0/src/kdeclarative/qmlobject.cpp:304
#21 0x00007ffff7c2a13e in
KDeclarative::QmlObjectPrivate::scheduleExecutionEnd() (this=0x555555a2a570) at
/usr/src/debug/kdeclarative-5.109.0/src/kdeclarative/qmlobject.cpp:130
#22 0x00007ffff7c2a3f2 in KDeclarative::QmlObjectPrivate::execute(QUrl const&)
(source=..., this=<optimized out>) at
/usr/src/debug/kdeclarative-5.109.0/src/kdeclarative/qmlobject.cpp:123
#23 0x00007ffff7f930c0 in KQuickAddons::QuickViewSharedEngine::setSource(QUrl
const&) (url=..., this=0x555556476110) at
/usr/src/debug/kdeclarative-5.109.0/src/quickaddons/quickviewsharedengine.cpp:217
#24 KQuickAddons::QuickViewSharedEngine::setSource(QUrl const&)
(this=this@entry=0x555556476110, url=...) at
/usr/src/debug/kdeclarative-5.109.0/src/quickaddons/quickviewsharedengine.cpp:211
#25 0x000055555556aaff in
ScreenLocker::UnlockApp::createViewForScreen(QScreen*)
(this=this@entry=0x7fffffffd360, screen=screen@entry=0x555555bff410) at
/usr/src/debug/kscreenlocker-5.27.7/greeter/greeterapp.cpp:378
#26 0x000055555556b990 in ScreenLocker::UnlockApp::handleScreen(QScreen*)
(this=0x7fffffffd360, screen=0x555555bff410) at
/usr/src/debug/kscreenlocker-5.27.7/greeter/greeterapp.cpp:307
#27 0x00007ffff5f25812 in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7fffffffc9a0, r=0x7fffffffd360, this=0x55555582d100) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#28 doActivate<false>(QObject*, int, void**) (sender=0x7fffffffd360,
signal_index=9, argv=0x7fffffffc9a0) at kernel/qobject.cpp:3925
#29 0x00007ffff5f1e47f in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=<optimized out>, m=m@entry=0x7ffff69167c0,
local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7fffffffc9a0)
at kernel/qobject.cpp:3985
#30 0x00007ffff636efb2 in QGuiApplication::screenAdded(QScreen*)
(this=<optimized out>, _t1=<optimized out>) at .moc/moc_qguiapplication.cpp:389
#31 0x00007ffff6350132 in
QWindowSystemInterface::handleScreenAdded(QPlatformScreen*, bool)
(ps=ps@entry=0x555555fcdd90, isPrimary=isPrimary@entry=false) at
kernel/qwindowsysteminterface.cpp:826
#32 0x00007ffff7128b50 in
QtWaylandClient::QWaylandDisplay::handleScreenInitialized(QtWaylandClient::QWaylandScreen*)
(this=0x5555555a1020, screen=<optimized out>, screen@entry=0x555555fcdd90) at
qwaylanddisplay.cpp:462
#33 0x00007ffff7133dd3 in QtWaylandClient::QWaylandScreen::maybeInitialize()
(this=0x555555fcdd90) at qwaylandscreen.cpp:110
#34 QtWaylandClient::QWaylandScreen::maybeInitialize() (this=0x555555fcdd90) at
qwaylandscreen.cpp:101
#35 0x00007ffff77d3962 in ffi_call_unix64 () at ../src/x86/unix64.S:104
#36 0x00007ffff77d02df in ffi_call_int (cif=cif@entry=0x7fffffffcbd0,
fn=<optimized out>, rvalue=<optimized out>, avalue=<optimized out>,
closure=closure@entry=0x0) at ../src/x86/ffi64.c:673
#37 0x00007ffff77d2f26 in ffi_call (cif=cif@entry=0x7fffffffcbd0, fn=<optimized
out>, rvalue=rvalue@entry=0x0, avalue=avalue@entry=0x7fffffffcca0) at
../src/x86/ffi64.c:710
#38 0x00007ffff7d3fa23 in wl_closure_invoke
(closure=closure@entry=0x7fff845526c0, target=<optimized out>,
target@entry=0x5555567d8c00, opcode=opcode@entry=2, data=<optimized out>,
flags=1) at ../src/connection.c:1025
#39 0x00007ffff7d40203 in dispatch_event (display=display@entry=0x5555555a55c0,
queue=0x5555555a56b0) at ../src/wayland-client.c:1631
--Type <RET> for more, q to quit, c to continue without paging--
#40 0x00007ffff7d40494 in dispatch_queue (queue=0x5555555a56b0,
display=0x5555555a55c0) at ../src/wayland-client.c:1777
#41 wl_display_dispatch_queue_pending (display=0x5555555a55c0,
queue=0x5555555a56b0) at ../src/wayland-client.c:2019
#42 0x00007ffff7126a12 in QtWaylandClient::QWaylandDisplay::flushRequests()
(this=<optimized out>) at qwaylanddisplay.cpp:255
#43 0x00007ffff5f19320 in QObject::event(QEvent*) (this=0x5555555a1020,
e=0x7fffe4001330) at kernel/qobject.cpp:1347
#44 0x00007ffff5eed568 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x5555555a1020, event=0x7fffe4001330) at
kernel/qcoreapplication.cpp:1064
#45 0x00007ffff5eed72e in QCoreApplication::sendEvent(QObject*, QEvent*)
(receiver=<optimized out>, event=<optimized out>) at
kernel/qcoreapplication.cpp:1462
#46 0x00007ffff5ef0b61 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) (receiver=0x0, event_type=0, data=0x55555557cf50) at
kernel/qcoreapplication.cpp:1821
#47 0x00007ffff5ef10a8 in QCoreApplication::sendPostedEvents(QObject*, int)
(receiver=<optimized out>, event_type=<optimized out>) at
kernel/qcoreapplication.cpp:1680
#48 0x00007ffff5f46c93 in postEventSourceDispatch(GSource*, GSourceFunc,
gpointer) (s=0x5555555e0690) at kernel/qeventdispatcher_glib.cpp:277
#49 0x00007ffff3b169b8 in g_main_dispatch (context=0x7fffec000ee0) at
../glib/gmain.c:3460
#50 g_main_context_dispatch (context=context@entry=0x7fffec000ee0) at
../glib/gmain.c:4200
#51 0x00007ffff3b16dc8 in g_main_context_iterate
(context=context@entry=0x7fffec000ee0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4276
#52 0x00007ffff3b16e5c in g_main_context_iteration (context=0x7fffec000ee0,
may_block=1) at ../glib/gmain.c:4343
#53 0x00007ffff5f464be in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x5555555e3e80, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#54 0x00007ffff5eebffb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7fffffffd1c0, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:69
#55 0x00007ffff5ef4490 in QCoreApplication::exec() () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#56 0x00007ffff637055c in QGuiApplication::exec() () at
kernel/qguiapplication.cpp:1870
#57 0x00005555555626ba in main(int, char**) (argc=<optimized out>,
argv=<optimized out>) at
/usr/src/debug/kscreenlocker-5.27.7/greeter/main.cpp:187
(gdb)
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