https://bugs.kde.org/show_bug.cgi?id=413187
--- Comment #5 from Christophe Giboudeaux <christo...@krop.fr> ---
I can reproduce with a fresh master build:
(gdb) bt
#0 QMetaObject::indexOfProperty (this=0x1, name=0x7fffe9fb9af7 "gridUnit") at
kernel/qmetaobject.cpp:1018
#1 0x00007ffff6708663 in QObject::property (this=0x105d670,
name=0x7fffe9fb9af7 "gridUnit") at kernel/qobject.cpp:3978
#2 0x00007fffe9f85847 in ColumnView::classBegin()::$_9::operator()() const
(this=0x7fffffff9370) at /data/kde/src/kirigami2/src/columnview.cpp:1398
#3 0x00007fffe9f8562f in ColumnView::classBegin (this=0x125be80) at
/data/kde/src/kirigami2/src/columnview.cpp:1403
#4 0x00007ffff570c85f in QQmlObjectCreator::createInstance
(this=0x7fffffff9b70, index=38, parent=<optimized out>,
isContextObject=<optimized out>) at
/usr/src/debug/libqt5-qtdeclarative-5.13.1-ku.2.5.x86_64/src/qml/qml/qqmlobjectcreator.cpp:1280
#5 0x00007ffff570ae6a in QQmlObjectCreator::setPropertyBinding
(this=0x7fffffff9b70, bindingProperty=0x9df938, binding=0x7fffea14be34) at
/usr/src/debug/libqt5-qtdeclarative-5.13.1-ku.2.5.x86_64/src/qml/qml/qqmlobjectcreator.cpp:856
#6 0x00007ffff570b5ba in QQmlObjectCreator::setupBindings
(this=this@entry=0x7fffffff9b70,
applyDeferredBindings=applyDeferredBindings@entry=false) at
/usr/src/debug/libqt5-qtdeclarative-5.13.1-ku.2.5.x86_64/src/qml/qml/qqmlobjectcreator.cpp:808
#7 0x00007ffff570c21b in QQmlObjectCreator::populateInstance
(this=this@entry=0x7fffffff9b70, index=-1, index@entry=0, instance=0x0,
bindingTarget=0x0, valueTypeProperty=valueTypeProperty@entry=0x0) at
/usr/src/debug/libqt5-qtdeclarative-5.13.1-ku.2.5.x86_64/src/qml/qml/qqmlobjectcreator.cpp:1500
#8 0x00007ffff570ce2c in QQmlObjectCreator::createInstance
(this=0x7fffffff9b70, index=<optimized out>, parent=<optimized out>,
isContextObject=<optimized out>) at
/usr/src/debug/libqt5-qtdeclarative-5.13.1-ku.2.5.x86_64/src/qml/qml/qqmlobjectcreator.cpp:1337
#9 0x00007ffff570dffc in QQmlObjectCreator::create
(this=this@entry=0x7fffffff9b70, subComponentIndex=subComponentIndex@entry=-1,
parent=parent@entry=0x0, interrupt=interrupt@entry=0x0) at
/usr/src/debug/libqt5-qtdeclarative-5.13.1-ku.2.5.x86_64/src/qml/qml/qqmlobjectcreator.cpp:203
#10 0x00007ffff570ca5a in QQmlObjectCreator::createInstance
(this=0x7fffffffa2a0, index=1, parent=0x9ee3a0, isContextObject=<optimized
out>) at
/usr/src/debug/libqt5-qtdeclarative-5.13.1-ku.2.5.x86_64/src/qml/qml/qqmlobjectcreator.cpp:1233
#11 0x00007ffff570ae6a in QQmlObjectCreator::setPropertyBinding
(this=0x7fffffffa2a0, bindingProperty=0xbd74e8, binding=0x7fffea11f9f4) at
/usr/src/debug/libqt5-qtdeclarative-5.13.1-ku.2.5.x86_64/src/qml/qml/qqmlobjectcreator.cpp:856
#12 0x00007ffff570b5ba in QQmlObjectCreator::setupBindings
(this=this@entry=0x7fffffffa2a0,
applyDeferredBindings=applyDeferredBindings@entry=false) at
/usr/src/debug/libqt5-qtdeclarative-5.13.1-ku.2.5.x86_64/src/qml/qml/qqmlobjectcreator.cpp:808
#13 0x00007ffff570c21b in QQmlObjectCreator::populateInstance
(this=this@entry=0x7fffffffa2a0, index=-1, index@entry=0, instance=0x0,
bindingTarget=0x0, valueTypeProperty=valueTypeProperty@entry=0x0) at
/usr/src/debug/libqt5-qtdeclarative-5.13.1-ku.2.5.x86_64/src/qml/qml/qqmlobjectcreator.cpp:1500
#14 0x00007ffff570ce2c in QQmlObjectCreator::createInstance
(this=0x7fffffffa2a0, index=<optimized out>, parent=<optimized out>,
isContextObject=<optimized out>) at
/usr/src/debug/libqt5-qtdeclarative-5.13.1-ku.2.5.x86_64/src/qml/qml/qqmlobjectcreator.cpp:1337
#15 0x00007ffff570dffc in QQmlObjectCreator::create
(this=this@entry=0x7fffffffa2a0, subComponentIndex=subComponentIndex@entry=-1,
parent=parent@entry=0x0, interrupt=interrupt@entry=0x0) at
/usr/src/debug/libqt5-qtdeclarative-5.13.1-ku.2.5.x86_64/src/qml/qml/qqmlobjectcreator.cpp:203
#16 0x00007ffff570ca5a in QQmlObjectCreator::createInstance (this=0x18cd4b0,
index=0, parent=0x0, isContextObject=<optimized out>) at
/usr/src/debug/libqt5-qtdeclarative-5.13.1-ku.2.5.x86_64/src/qml/qml/qqmlobjectcreator.cpp:1233
#17 0x00007ffff570dffc in QQmlObjectCreator::create (this=this@entry=0x18cd4b0,
subComponentIndex=<optimized out>, parent=parent@entry=0x0,
interrupt=interrupt@entry=0x0) at
/usr/src/debug/libqt5-qtdeclarative-5.13.1-ku.2.5.x86_64/src/qml/qml/qqmlobjectcreator.cpp:203
#18 0x00007ffff568b20b in QQmlComponentPrivate::beginCreate (this=0x1121cd0,
context=<optimized out>) at
/usr/src/debug/libqt5-qtdeclarative-5.13.1-ku.2.5.x86_64/src/qml/qml/qqmlcomponent.cpp:883
#19 0x00007ffff56895c2 in QQmlComponent::create (this=0x1121cb0,
context=0x167f740) at
/usr/src/debug/libqt5-qtdeclarative-5.13.1-ku.2.5.x86_64/src/qml/qml/qqmlcomponent.cpp:795
#20 0x00007ffff7f5b3a8 in KCModuleQml::KCModuleQml (this=0x1b25730,
configModule=std::unique_ptr<KQuickAddons::ConfigModule> = {...},
parent=0x16420b0, args=...) at /data/kde/src/kcmutils/src/kcmoduleqml.cpp:157
#21 0x00007ffff7f58188 in KCModuleLoader::loadModule (mod=...,
report=KCModuleLoader::Inline, parent=0x16420b0, args=...) at
/data/kde/src/kcmutils/src/kcmoduleloader.cpp:108
#22 0x00007ffff7f674d0 in KCModuleProxyPrivate::loadModule (this=0xda98d0) at
/data/kde/src/kcmutils/src/kcmoduleproxy.cpp:94
#23 0x00007ffff7f67191 in KCModuleProxy::realModule (this=0x16420b0) at
/data/kde/src/kcmutils/src/kcmoduleproxy.cpp:67
#24 0x00007ffff7fbaee8 in ModuleView::updatePageIconHeader (this=0x745890,
page=0x9eb800, light=true) at
/data/kde/src/systemsettings/core/ModuleView.cpp:218
#25 0x00007ffff7fbad20 in ModuleView::addModule (this=0x745890,
module=0x7c6e38) at /data/kde/src/systemsettings/core/ModuleView.cpp:195
#26 0x00007ffff7fba7c9 in ModuleView::loadModule (this=0x745890, menuItem=...)
at /data/kde/src/systemsettings/core/ModuleView.cpp:150
#27 0x00007fffec39ed06 in IconMode::changeModule (this=0x7ddcc0,
activeModule=...) at /data/kde/src/systemsettings/icons/IconMode.cpp:142
#28 0x00007fffec3a12bf in QtPrivate::FunctorCall<QtPrivate::IndexesList<0>,
QtPrivate::List<QModelIndex const&>, void, void (IconMode::*)(QModelIndex
const&)>::call (f=(void (IconMode::*)(IconMode * const, const QModelIndex &))
0x7fffec39ecb0 <IconMode::changeModule(QModelIndex const&)>, o=0x7ddcc0,
arg=0x7fffffffb830) at /usr/include/qt5/QtCore/qobjectdefs_impl.h:152
#29 0x00007fffec3a1228 in QtPrivate::FunctionPointer<void
(IconMode::*)(QModelIndex const&)>::call<QtPrivate::List<QModelIndex const&>,
void> (f=(void (IconMode::*)(IconMode * const, const QModelIndex &))
0x7fffec39ecb0 <IconMode::changeModule(QModelIndex const&)>, o=0x7ddcc0,
arg=0x7fffffffb830) at /usr/include/qt5/QtCore/qobjectdefs_impl.h:185
#30 0x00007fffec3a1155 in QtPrivate::QSlotObject<void (IconMode::*)(QModelIndex
const&), QtPrivate::List<QModelIndex const&>, void>::impl (which=1,
this_=0x7f7c40, r=0x7ddcc0, a=0x7fffffffb830, ret=0x0) at
/usr/include/qt5/QtCore/qobjectdefs_impl.h:414
#31 0x00007ffff6702638 in QtPrivate::QSlotObjectBase::call (a=0x7fffffffb830,
r=0x7ddcc0, this=0x7f7c40) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#32 QMetaObject::activate (sender=0x7dd690, signalOffset=<optimized out>,
local_signal_index=<optimized out>, argv=<optimized out>) at
kernel/qobject.cpp:3789
#33 0x00007ffff7407805 in QAbstractItemView::activated
(this=this@entry=0x7dd690, _t1=...) at .moc/moc_qabstractitemview.cpp:668
#34 0x00007ffff7415d7f in QAbstractItemView::mouseDoubleClickEvent
(this=0x7dd690, event=0x7fffffffbfe0) at itemviews/qabstractitemview.cpp:1967
#35 0x00007ffff71e9166 in QWidget::event (this=this@entry=0x7dd690,
event=event@entry=0x7fffffffbfe0) at kernel/qwidget.cpp:8963
#36 0x00007ffff7296e7e in QFrame::event (this=0x7dd690, e=0x7fffffffbfe0) at
widgets/qframe.cpp:550
#37 0x00007ffff741575e in QAbstractItemView::viewportEvent (this=0x7dd690,
event=0x7fffffffbfe0) at itemviews/qabstractitemview.cpp:1753
#38 0x00007ffff66d7273 in
QCoreApplicationPrivate::sendThroughObjectEventFilters (event=<optimized out>,
receiver=<optimized out>) at kernel/qcoreapplication.cpp:1221
#39 QCoreApplicationPrivate::sendThroughObjectEventFilters
(receiver=receiver@entry=0x7e0b60, event=event@entry=0x7fffffffbfe0) at
kernel/qcoreapplication.cpp:1210
#40 0x00007ffff71a6c51 in QApplicationPrivate::notify_helper
(this=this@entry=0x44e380, receiver=receiver@entry=0x7e0b60,
e=e@entry=0x7fffffffbfe0) at kernel/qapplication.cpp:3697
#41 0x00007ffff71b0433 in QApplication::notify (this=<optimized out>,
receiver=0x7e0b60, e=0x7fffffffbfe0) at kernel/qapplication.cpp:3163
#42 0x00007ffff66d7562 in QCoreApplication::notifyInternal2 (receiver=0x7e0b60,
event=0x7fffffffbfe0) at
../../include/QtCore/../../src/corelib/kernel/qobject.h:143
#43 0x00007ffff71af543 in QApplicationPrivate::sendMouseEvent
(receiver=receiver@entry=0x7e0b60, event=event@entry=0x7fffffffbfe0,
alienWidget=alienWidget@entry=0x7e0b60, nativeWidget=0x6430b0,
buttonDown=buttonDown@entry=0x7ffff76d08d0 <qt_button_down>,
lastMouseReceiver=..., spontaneous=true, onlyDispatchEnterLeave=false) at
kernel/qapplication.cpp:2649
#44 0x00007ffff7204ac9 in QWidgetWindow::handleMouseEvent (this=0x73bb50,
event=0x7fffffffc4d0) at /usr/include/c++/9/bits/atomic_base.h:413
#45 0x00007ffff7207b24 in QWidgetWindow::event (event=0x7fffffffc4d0,
this=0x73bb50) at kernel/qwidgetwindow.cpp:280
#46 QWidgetWindow::event (this=0x73bb50, event=0x7fffffffc4d0) at
kernel/qwidgetwindow.cpp:224
#47 0x00007ffff71a6c62 in QApplicationPrivate::notify_helper
(this=this@entry=0x44e380, receiver=receiver@entry=0x73bb50,
e=e@entry=0x7fffffffc4d0) at kernel/qapplication.cpp:3703
#48 0x00007ffff71b01e0 in QApplication::notify (this=0x7fffffffca00,
receiver=0x73bb50, e=0x7fffffffc4d0) at kernel/qapplication.cpp:3449
#49 0x00007ffff66d7562 in QCoreApplication::notifyInternal2 (receiver=0x73bb50,
event=0x7fffffffc4d0) at
../../include/QtCore/../../src/corelib/kernel/qobject.h:143
#50 0x00007ffff6b72964 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() from /usr/lib64/libQt5Gui.so.5
#51 0x00007ffff6b7428b in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() from /usr/lib64/libQt5Gui.so.5
#52 0x00007ffff6b4f25b in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib64/libQt5Gui.so.5
#53 0x00007ffff190df4a in ?? () from /usr/lib64/libQt5XcbQpa.so.5
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