After switching from Kickoff to Kicker plasma crash, reset to previous launcher - kickoff Reproducible: Always Steps to Reproduce: 1. Unlock Plasma, select Alternatives from sub menu Launcher. 2. Select Kicker Launcher and apply changes. 3. Plasma crash, restart and report bug. Actual Results: Plasma crash, restart and report bug. Launcher menu not change. Expected Results: Change launcher menu style from big to slim. plasmashell-20150428-175759.kcrash.txt content: https://bugs.archlinux.org/task/44766?getfile=12988 Menu changing: https://i.imgur.com/MeQr6Q5.png Crash window: https://i.imgur.com/xZGciyu.png
Relevant part from referenced backtrace: Thread 1 (Thread 0x7f76009c87c0 (LWP 1067)): [KCrash Handler] #5 0x00007f760e572528 in raise () from /usr/lib/libc.so.6 #6 0x00007f760e57393a in abort () from /usr/lib/libc.so.6 #7 0x00007f760ecf38bf in QMessageLogger::fatal(char const*, ...) const () from /usr/lib/libQt5Core.so.5 #8 0x00007f74fdf906c2 in ?? () from /usr/lib/libKF5ActivitiesExperimentalStats.so.1 #9 0x00007f74fdf7b944 in KActivities::Experimental::Stats::ResultSet::ResultSet(KActivities::Experimental::Stats::Query) () from /usr/lib/libKF5ActivitiesExperimentalStats.so.1 #10 0x00007f74fdf877c7 in KActivities::Experimental::Stats::ResultModel::ResultModel(KActivities::Experimental::Stats::Query, QObject*) () from /usr/lib/libKF5ActivitiesExperimentalStats.so.1 #11 0x00007f7454e7648f in ?? () from /usr/lib/qt/qml/org/kde/plasma/private/kicker/libkickerplugin.so #12 0x00007f7454e6fefd in ?? () from /usr/lib/qt/qml/org/kde/plasma/private/kicker/libkickerplugin.so #13 0x00007f7454e70575 in ?? () from /usr/lib/qt/qml/org/kde/plasma/private/kicker/libkickerplugin.so #14 0x00007f7454e6ac90 in ?? () from /usr/lib/qt/qml/org/kde/plasma/private/kicker/libkickerplugin.so #15 0x00007f761155f93b in QQmlType::create() const () from /usr/lib/libQt5Qml.so.5 #16 0x00007f76115c6f61 in ?? () from /usr/lib/libQt5Qml.so.5 #17 0x00007f76115c88bd in ?? () from /usr/lib/libQt5Qml.so.5 #18 0x00007f76115c95c9 in ?? () from /usr/lib/libQt5Qml.so.5 #19 0x00007f76115c5aad in ?? () from /usr/lib/libQt5Qml.so.5 #20 0x00007f76115c67ce in ?? () from /usr/lib/libQt5Qml.so.5 #21 0x00007f76115c770c in ?? () from /usr/lib/libQt5Qml.so.5 #22 0x00007f761154c5a7 in ?? () from /usr/lib/libQt5Qml.so.5 #23 0x00007f761154ceb1 in QQmlIncubationController::incubateFor(int) () from /usr/lib/libQt5Qml.so.5 #24 0x00007f7611d508fc in ?? () from /usr/lib/libKF5Declarative.so.5 #25 0x00007f761154cc92 in QQmlEnginePrivate::incubate(QQmlIncubator&, QQmlContextData*) () from /usr/lib/libQt5Qml.so.5 #26 0x00007f761154841c in QQmlComponent::create(QQmlIncubator&, QQmlContext*, QQmlContext*) () from /usr/lib/libQt5Qml.so.5 #27 0x00007f7611d40efc in KDeclarative::QmlObject::completeInitialization(QHash<QString, QVariant> const&) () from /usr/lib/libKF5Declarative.so.5 #28 0x00007f76136b665a in PlasmaQuick::AppletQuickItem::init() () from /usr/lib/libKF5PlasmaQuick.so.5 #29 0x00007f75e2fc45c4 in ?? () from /usr/lib/qt/plugins/plasma_appletscript_declarative.so #30 0x00007f76136b7758 in PlasmaQuick::AppletQuickItem::itemChange(QQuickItem::ItemChange, QQuickItem::ItemChangeData const&) () from /usr/lib/libKF5PlasmaQuick.so.5 #31 0x00007f7611ae1a6d in QQuickItemPrivate::refWindow(QQuickWindow*) () from /usr/lib/libQt5Quick.so.5 #32 0x00007f7611ae26e3 in QQuickItem::setParentItem(QQuickItem*) () from /usr/lib/libQt5Quick.so.5 #33 0x00007f7611ae4239 in QQuickItem::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libQt5Quick.so.5 #34 0x00007f76136b77d7 in PlasmaQuick::AppletQuickItem::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libKF5PlasmaQuick.so.5 #35 0x00007f75e2fc54f9 in ?? () from /usr/lib/qt/plugins/plasma_appletscript_declarative.so #36 0x00007f760eefe672 in QMetaProperty::write(QObject*, QVariant const&) const () from /usr/lib/libQt5Core.so.5 #37 0x00007f760ef2bbaf in QObject::setProperty(char const*, QVariant const&) () from /usr/lib/libQt5Core.so.5 #38 0x00007f75e2fca989 in ?? () from /usr/lib/qt/plugins/plasma_appletscript_declarative.so #39 0x00007f760ef21d5a in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQt5Core.so.5 #40 0x00007f76124bd60f in Plasma::Containment::appletAdded(Plasma::Applet*) () from /usr/lib/libKF5Plasma.so.5 #41 0x00007f76124bf745 in Plasma::Containment::addApplet(Plasma::Applet*) () from /usr/lib/libKF5Plasma.so.5 #42 0x00007f76124d30fc in ?? () from /usr/lib/libKF5Plasma.so.5 #43 0x00007f75e2fc8808 in ?? () from /usr/lib/qt/plugins/plasma_appletscript_declarative.so #44 0x00007f75e2fd1d19 in ?? () from /usr/lib/qt/plugins/plasma_appletscript_declarative.so #45 0x00007f760eefb9da in QMetaMethod::invoke(QObject*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) const () from /usr/lib/libQt5Core.so.5 #46 0x00007f760ef008d5 in QMetaObject::invokeMethod(QObject*, char const*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) () from /usr/lib/libQt5Core.so.5 #47 0x0000000000430f43 in AlternativesHelper::loadAlternative(QString const&) () #48 0x00000000004312e1 in ?? () #49 0x000000000043157f in AlternativesHelper::qt_metacall(QMetaObject::Call, int, void**) () #50 0x00007f761150757e in ?? () from /usr/lib/libQt5Qml.so.5 #51 0x00007f761150a4dc in ?? () from /usr/lib/libQt5Qml.so.5 #52 0x00007f761150ab43 in QV4::QObjectMethod::callInternal(QV4::CallData*) () from /usr/lib/libQt5Qml.so.5 #53 0x00007f76115164f8 in QV4::Runtime::callProperty(QV4::ExecutionContext*, QV4::String*, QV4::CallData*) () from /usr/lib/libQt5Qml.so.5 #54 0x00007f7455a227cb in ?? () #55 0x00000000059d8630 in ?? () #56 0x0fabcf727c987600 in ?? () #57 0x0003000000000001 in ?? () #58 0x0000000008dbdf50 in ?? () #59 0x00000000059d8630 in ?? () #60 0x00007fffd2aeeae0 in ?? () #61 0x00000000087b2070 in ?? () #62 0x00000000087b2070 in ?? () #63 0x00007fffd2aef7b0 in ?? () #64 0x00007f76114c66c6 in ?? () from /usr/lib/libQt5Qml.so.5 #65 0x00007f76115b154f in ?? () from /usr/lib/libQt5Qml.so.5 #66 0x00007f7611552c96 in QQmlBoundSignalExpression::evaluate(void**) () from /usr/lib/libQt5Qml.so.5 #67 0x00007f76115536db in ?? () from /usr/lib/libQt5Qml.so.5 #68 0x00007f7611593fb7 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /usr/lib/libQt5Qml.so.5 #69 0x00007f761153139c in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () from /usr/lib/libQt5Qml.so.5 #70 0x00007f760ef21b41 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQt5Core.so.5 #71 0x00007f761152a10f in QQmlVMEMetaObject::metaCall(QMetaObject::Call, int, void**) () from /usr/lib/libQt5Qml.so.5 #72 0x00007f7611528d4b in QQmlVMEMetaObject::metaCall(QMetaObject::Call, int, void**) () from /usr/lib/libQt5Qml.so.5 #73 0x00007f7611528d4b in QQmlVMEMetaObject::metaCall(QMetaObject::Call, int, void**) () from /usr/lib/libQt5Qml.so.5 #74 0x00007f7611507dfd in ?? () from /usr/lib/libQt5Qml.so.5 #75 0x00007f761150a425 in ?? () from /usr/lib/libQt5Qml.so.5 #76 0x00007f761150ab43 in QV4::QObjectMethod::callInternal(QV4::CallData*) () from /usr/lib/libQt5Qml.so.5 #77 0x00007f76115164f8 in QV4::Runtime::callProperty(QV4::ExecutionContext*, QV4::String*, QV4::CallData*) () from /usr/lib/libQt5Qml.so.5
*** This bug has been marked as a duplicate of bug 346994 ***