I was going to click on the device notifier and plasmashell was hiding (I had set it to autohide). when i clicked on the notification area, plasmashell crashed.

Thread 2 (Thread 0x7fc7413c7700 (LWP 6393)):
#0  0x00007fc848cea96f in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
#1  0x00007fc849dd431b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQt5Core.so.5
#2  0x00007fc84d78724e in ?? () from /usr/lib/libQt5Quick.so.5
#3  0x00007fc84d787ad3 in ?? () from /usr/lib/libQt5Quick.so.5
#4  0x00007fc849dd308e in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007fc848ce5354 in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007fc8496f6bfd in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7fc84fd1f7c0 (LWP 30359)):
[KCrash Handler]
#5  0x00007fc84d02c484 in QQmlContext::isValid() const () from /usr/lib/libQt5Qml.so.5
#6  0x00007fc84d01d415 in QQmlExpression::QQmlExpression(QQmlScriptString const&, QQmlContext*, QObject*, QObject*) () from /usr/lib/libQt5Qml.so.5
#7  0x00007fc84d6f260c in ?? () from /usr/lib/libQt5Quick.so.5
#8  0x00007fc84d0e04bd in QAbstractAnimationJob::setState(QAbstractAnimationJob::State) () from /usr/lib/libQt5Qml.so.5
#9  0x00007fc84d0e1d5c in QSequentialAnimationGroupJob::activateCurrentAnimation(bool) () from /usr/lib/libQt5Qml.so.5
#10 0x00007fc84d0e1e4c in QSequentialAnimationGroupJob::uncontrolledAnimationFinished(QAbstractAnimationJob*) () from /usr/lib/libQt5Qml.so.5
#11 0x00007fc84d0dfa4f in QAbstractAnimationJob::finished() () from /usr/lib/libQt5Qml.so.5
#12 0x00007fc84d0e05b8 in QAbstractAnimationJob::setState(QAbstractAnimationJob::State) () from /usr/lib/libQt5Qml.so.5
#13 0x00007fc84d7367a9 in QQuickAnimatorProxyJob::setWindow(QQuickWindow*) () from /usr/lib/libQt5Quick.so.5
#14 0x00007fc849fe2c1a in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQt5Core.so.5
#15 0x00007fc84d795582 in QQuickItem::windowChanged(QQuickWindow*) () from /usr/lib/libQt5Quick.so.5
#16 0x00007fc84d7a1803 in QQuickItemPrivate::derefWindow() () from /usr/lib/libQt5Quick.so.5
#17 0x00007fc84d7a42dc in QQuickItem::setParentItem(QQuickItem*) () from /usr/lib/libQt5Quick.so.5
#18 0x00007fc84d7a4796 in QQuickItem::~QQuickItem() () from /usr/lib/libQt5Quick.so.5
#19 0x00007fc84d7bee56 in ?? () from /usr/lib/libQt5Quick.so.5
#20 0x00007fc849fe3b00 in QObject::event(QEvent*) () from /usr/lib/libQt5Core.so.5
#21 0x00007fc84d7a281b in QQuickItem::event(QEvent*) () from /usr/lib/libQt5Quick.so.5
#22 0x00007fc84b30962c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#23 0x00007fc84b30ed10 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#24 0x00007fc849fb257b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#25 0x00007fc849fb46b7 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQt5Core.so.5
#26 0x00007fc84a0098f3 in ?? () from /usr/lib/libQt5Core.so.5
#27 0x00007fc845ba9a17 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#28 0x00007fc845ba9c70 in ?? () from /usr/lib/libglib-2.0.so.0
#29 0x00007fc845ba9d1c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#30 0x00007fc84a009cff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#31 0x00007fc849fafffa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#32 0x00007fc849fb7a4c in QCoreApplication::exec() () from /usr/lib/libQt5Core.so.5
#33 0x000000000042ed66 in main ()

Full crash log is at http://pastebin.com/raw.php?i=Xg7CpeCF

Reproducible: Didn't try