mart added a comment.
I tried the patch, and i'm getting a crash as well, tough a bit different: #0 0x00007fff39b74cf5 in KAStatsFavoritesModel::Private::removeOldCachedEntries() const () from /opt/kde5/qml/org/kde/plasma/private/kicker/libkickerplugin.so #1 0x00007fff39b7377a in KAStatsFavoritesModel::isFavorite(QString const&) const () from /opt/kde5/qml/org/kde/plasma/private/kicker/libkickerplugin.so #2 0x00007fff39b96814 in InvalidAppsFilterProxy::filterAcceptsRow(int, QModelIndex const&) const () from /opt/kde5/qml/org/kde/plasma/private/kicker/libkickerplugin.so #3 0x00007ffff0e2892a in QSortFilterProxyModelPrivate::create_mapping (this=0x1188af0, source_parent=...) at itemmodels/qsortfilterproxymodel.cpp:343 #4 0x00007ffff0e2e7e4 in QSortFilterProxyModel::rowCount (this=0x1188ac0, parent=...) at itemmodels/qsortfilterproxymodel.cpp:1878 #5 0x00007fff39b784f1 in ForwardingModel::rowCount(QModelIndex const&) const () from /opt/kde5/qml/org/kde/plasma/private/kicker/libkickerplugin.so #6 0x00007fff39b5bbf3 in AbstractModel::count() const () from /opt/kde5/qml/org/kde/plasma/private/kicker/libkickerplugin.so #7 0x00007fff39b88b87 in GroupEntry::hasChildren() const () from /opt/kde5/qml/org/kde/plasma/private/kicker/libkickerplugin.so #8 0x00007fff39b64a65 in AppsModel::data(QModelIndex const&, int) const () from /opt/kde5/qml/org/kde/plasma/private/kicker/libkickerplugin.so #9 0x00007fff39b89130 in RootModel::data(QModelIndex const&, int) const () from /opt/kde5/qml/org/kde/plasma/private/kicker/libkickerplugin.so #10 0x00007ffff452c63b in QModelIndex::data (this=0x7fffffff5ff0, arole=263) at /home/diau/git/qt5/qtbase/include/QtCore/../../src/corelib/itemmodels/qabstractitemmodel.h:432 #11 0x00007ffff452f08e in QQmlDMAbstractItemModelData::value (this=0x2b751e0, role=263) at util/qqmladaptormodel.cpp:420 #12 0x00007ffff4529d3a in QQmlDMCachedModelData::metaCall (this=0x2b751e0, call=QMetaObject::ReadProperty, id=12, arguments=0x7fffffff6150) at util/qqmladaptormodel.cpp:292 #13 0x00007ffff452ee7a in VDMModelDelegateDataType::metaCall (this=0x2b6e7f0, object=0x2b751e0, call=QMetaObject::ReadProperty, id=12, arguments=0x7fffffff6150) at util/qqmladaptormodel.cpp:249 #14 0x00007ffff0e6dfef in QMetaObject::metacall (object=0x2b751e0, cl=QMetaObject::ReadProperty, idx=12, argv=0x7fffffff6150) at kernel/qmetaobject.cpp:299 #15 0x00007ffff4744682 in QQmlPropertyData::readPropertyWithArgs (this=0x2b77f68, target=0x2b751e0, args=0x7fffffff6150) at ../../include/QtQml/5.8.1/QtQml/private/../../../../../src/qml/qml/qqmlpropertycache_p.h:312 #16 0x00007ffff47445c5 in QQmlPropertyData::readProperty (this=0x2b77f68, target=0x2b751e0, property=0x7fffffff61d0) at ../../include/QtQml/5.8.1/QtQml/private/../../../../../src/qml/qml/qqmlpropertycache_p.h:302 #17 0x00007ffff473b2eb in loadProperty (v4=0x804360, object=0x2b751e0, property=...) at jsruntime/qv4qobjectwrapper.cpp:166 #18 0x00007ffff473c003 in QV4::QObjectWrapper::getProperty (engine=0x804360, object=0x2b751e0, property=0x2b77f68, captureRequired=true) at jsruntime/qv4qobjectwrapper.cpp:316 #19 0x00007ffff473bc6e in QV4::QObjectWrapper::getQmlProperty (this=0x7fffd9b9d638, qmlContext=0x2be2a80, name=0x7fffd9b9d630, revisionMode=QV4::QObjectWrapper::IgnoreRevision, hasProperty=0x0, includeImports=true) at jsruntime/qv4qobjectwrapper.cpp:279 #20 0x00007ffff473e046 in QV4::QObjectWrapper::get (m=0x7fffd9b9d638, name=0x7fffd9b9d630, hasProperty=0x0) at jsruntime/qv4qobjectwrapper.cpp:625 #21 0x00007ffff46107b3 in QV4::Object::get (this=0x7fffd9b9d638, name=0x7fffd9b9d630, hasProperty=0x0) at ../../include/QtQml/5.8.1/QtQml/private/../../../../../src/qml/jsruntime/qv4object_p.h:326 REVISION DETAIL https://phabricator.kde.org/D3805 To: ivan, mart, hein Cc: Zren, plasma-devel, ZrenBot, progwolff, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart, lukas