https://bugs.kde.org/show_bug.cgi?id=427444

Mattes D <kde-b...@xoft.cz> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |kde-b...@xoft.cz

--- Comment #7 from Mattes D <kde-b...@xoft.cz> ---
I think I'm getting the same bug - after opening the Settings -> Workspace
Behavior -> Screen Locking and clicking the (Appearance) Configure button,
clicking on any other pane in the Settings app will crash the app.

This is the relevant part of the backtrace, as given to me (for some reason the
automatic crash handler is unable to install some of the debug symbol files):

Thread 1 (Thread 0x7f798dbea8c0 (LWP 182391)):
[KCrash Handler]
#4  0x00007f79915979be in
QV4::QObjectWrapper::getQmlProperty(QV4::ExecutionEngine*, QQmlContextData*,
QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, bool*,
QQmlPropertyData**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#5  0x00007f7991571cf2 in
QV4::QQmlContextWrapper::getPropertyAndBase(QV4::QQmlContextWrapper const*,
QV4::PropertyKey, QV4::Value const*, bool*, QV4::Value*, QV4::Lookup*) () from
/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007f7991572644 in
QV4::QQmlContextWrapper::resolveQmlContextPropertyLookupGetter(QV4::Lookup*,
QV4::ExecutionEngine*, QV4::Value*) () from
/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f79915b887c in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f79915be02f in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f799154b24d in QV4::Function::call(QV4::Value const*, QV4::Value
const*, int, QV4::ExecutionContext const*) () from
/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f79916f0fa7 in QQmlJavaScriptExpression::evaluate(QV4::CallData*,
bool*) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f79916948ae in QQmlBoundSignalExpression::evaluate(void**) () from
/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f7991695948 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007f79916d064d in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#14 0x00007f7991672fbf in QQmlData::signalEmitted(QAbstractDeclarativeData*,
QObject*, int, void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007f7992764245 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f7991690fe9 in QQmlContextData::emitDestruction() () from
/lib/x86_64-linux-gnu/libQt5Qml.so.5
#17 0x00007f799169100f in QQmlContextData::emitDestruction() () from
/lib/x86_64-linux-gnu/libQt5Qml.so.5
#18 0x00007f799169100f in QQmlContextData::emitDestruction() () from
/lib/x86_64-linux-gnu/libQt5Qml.so.5
#19 0x00007f799169100f in QQmlContextData::emitDestruction() () from
/lib/x86_64-linux-gnu/libQt5Qml.so.5
#20 0x00007f799169100f in QQmlContextData::emitDestruction() () from
/lib/x86_64-linux-gnu/libQt5Qml.so.5
#21 0x00007f79916910fd in QQmlContextData::invalidate() () from
/lib/x86_64-linux-gnu/libQt5Qml.so.5
#22 0x00007f7991690d9b in QQmlContextData::destroy() () from
/lib/x86_64-linux-gnu/libQt5Qml.so.5
#23 0x00007f7991690f4d in QQmlContext::~QQmlContext() () from
/lib/x86_64-linux-gnu/libQt5Qml.so.5
#24 0x00007f7991690f6d in QQmlContext::~QQmlContext() () from
/lib/x86_64-linux-gnu/libQt5Qml.so.5
#25 0x00007f7992757cbe in QObjectPrivate::deleteChildren() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f79927626e6 in QObject::~QObject() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f7991e3a8ed in
KDeclarative::QmlObjectSharedEngine::~QmlObjectSharedEngine() () from
/lib/x86_64-linux-gnu/libKF5Declarative.so.5
#28 0x00007f7993cbd055 in KQuickAddons::ConfigModule::~ConfigModule() () from
/lib/x86_64-linux-gnu/libKF5QuickAddons.so.5
#29 0x00007f79557cdca6 in ScreenLockerKcm::~ScreenLockerKcm
(this=0x5566831943a0, __in_chrg=<optimized out>) at ./kcm/kcm.h:43
#30 ScreenLockerKcm::~ScreenLockerKcm (this=0x5566831943a0,
__in_chrg=<optimized out>) at ./kcm/kcm.h:43
#31 0x00007f7993de8cc7 in ?? () from /lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#32 0x00007f7993de8cfd in ?? () from /lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#33 0x00007f7993deecf8 in KCModuleProxy::deleteClient() () from
/lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#34 0x00007f7993deee01 in KCModuleProxy::~KCModuleProxy() () from
/lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#35 0x00007f7993deef9d in KCModuleProxy::~KCModuleProxy() () from
/lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#36 0x00007f7992757cbe in QObjectPrivate::deleteChildren() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007f79933695b6 in QWidget::~QWidget() () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#38 0x00007f79933697ad in QWidget::~QWidget() () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#39 0x00007f7992757cbe in QObjectPrivate::deleteChildren() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#40 0x00007f79933695b6 in QWidget::~QWidget() () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#41 0x00007f79934cdd7d in QScrollArea::~QScrollArea() () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#42 0x00007f7993af791a in KPageWidgetItem::~KPageWidgetItem() () from
/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#43 0x00007f7993af79ed in KPageWidgetItem::~KPageWidgetItem() () from
/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#44 0x00007f7993af860f in ?? () from
/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#45 0x00007f7993af920c in KPageWidgetModel::removePage(KPageWidgetItem*) ()
from /lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#46 0x00007f7993e3a38d in ModuleView::closeModules (this=0x556681c57cf0) at
./core/ModuleView.cpp:287
#47 0x00007f795426ba2d in SidebarMode::loadModule (this=0x556681c70690,
activeModule=..., args=...) at ./sidebar/SidebarMode.cpp:461
#48 0x00007f795426980e in SidebarMode::qt_static_metacall
(_o=_o@entry=0x556681c70690, _c=_c@entry=QMetaObject::InvokeMetaMethod,
_id=_id@entry=19, _a=_a@entry=0x7ffea3334a50) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:160
#49 0x00007f7954269da3 in SidebarMode::qt_metacall (this=0x556681c70690,
_c=QMetaObject::InvokeMetaMethod, _id=19, _a=0x7ffea3334a50) at
./obj-x86_64-linux-gnu/sidebar/systemsettings_sidebar_mode_autogen/EWIEGA46WW/moc_SidebarMode.cpp:591
#50 0x00007f79916d0be5 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#51 0x00007f7991599675 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#52 0x00007f799159b777 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#53 0x00007f799159c95f in QV4::QObjectMethod::callInternal(QV4::Value const*,
QV4::Value const*, int) const () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#54 0x00007f79915bc0f1 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#55 0x00007f79915be02f in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#56 0x00007f799154b24d in QV4::Function::call(QV4::Value const*, QV4::Value
const*, int, QV4::ExecutionContext const*) () from
/lib/x86_64-linux-gnu/libQt5Qml.so.5
#57 0x00007f79916f0fa7 in QQmlJavaScriptExpression::evaluate(QV4::CallData*,
bool*) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#58 0x00007f79916948ae in QQmlBoundSignalExpression::evaluate(void**) () from
/lib/x86_64-linux-gnu/libQt5Qml.so.5
#59 0x00007f7991695948 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#60 0x00007f79916d064d in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#61 0x00007f7991672fbf in QQmlData::signalEmitted(QAbstractDeclarativeData*,
QObject*, int, void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#62 0x00007f7992764245 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#63 0x00007f7987effa81 in QQuickAbstractButtonPrivate::handleRelease(QPointF
const&) () from /lib/x86_64-linux-gnu/libQt5QuickTemplates2.so.5
#64 0x00007f7987f1eb19 in QQuickControl::mouseReleaseEvent(QMouseEvent*) ()
from /lib/x86_64-linux-gnu/libQt5QuickTemplates2.so.5
#65 0x00007f7991b035a8 in QQuickItem::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#66 0x00007f799332adc3 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#67 0x00007f7993333bb8 in QApplication::notify(QObject*, QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#68 0x00007f799272d69a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#69 0x00007f7991b1d9e5 in
QQuickWindowPrivate::deliverMouseEvent(QQuickPointerMouseEvent*) () from
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#70 0x00007f7991b1f10f in
QQuickWindowPrivate::deliverPointerEvent(QQuickPointerEvent*) () from
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#71 0x00007f7991b20039 in QQuickWindowPrivate::handleMouseEvent(QMouseEvent*)
() from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#72 0x00007f7992c40e1d in QWindow::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Gui.so.5
#73 0x00007f7991b21aab in QQuickWindow::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#74 0x00007f799332adc3 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#75 0x00007f7993333bb8 in QApplication::notify(QObject*, QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#76 0x00007f799272d69a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#77 0x00007f7991e51dcb in QQuickWidget::mouseReleaseEvent(QMouseEvent*) () from
/lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#78 0x00007f799336dc06 in QWidget::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#79 0x00007f7991e51fa7 in QQuickWidget::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#80 0x00007f799332adc3 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#81 0x00007f7993333e77 in QApplication::notify(QObject*, QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#82 0x00007f799272d69a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#83 0x00007f79933330a7 in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#84 0x00007f7993388e54 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#85 0x00007f799338c174 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#86 0x00007f799332adc3 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#87 0x00007f7993333bb8 in QApplication::notify(QObject*, QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#88 0x00007f799272d69a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#89 0x00007f7992c354e8 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#90 0x00007f7992c36b55 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#91 0x00007f7992c0e7ac in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#92 0x00007f798d2edd7e in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#93 0x00007f79902abf9d in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#94 0x00007f79902ac220 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#95 0x00007f79902ac2c3 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#96 0x00007f7992787fa2 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#97 0x00007f799272c1ab in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#98 0x00007f7992734354 in QCoreApplication::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#99 0x000055667fc0b112 in main (argc=<optimized out>, argv=<optimized out>) at
./app/main.cpp:209
[Inferior 1 (process 182391) detached]

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