Application: plasmashell (5.8.6)

Qt Version: 5.6.1
Frameworks Version: 5.26.0
Operating System: Linux 4.4.49-16-default x86_64
Distribution: "openSUSE Leap 42.2"

-- Information about the crash:
- What I was doing when the application crashed:
I was starting a "Chromium App" from KDE Application menu. The name of the application is Readium (an Epub reader).

- Unusual behavior I noticed:
The whole screen became black; for a moment I could not see the Panel or any of the opened windows.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fbc3efbf900 (LWP 2420))]

Thread 11 (Thread 0x7fbb611cd700 (LWP 4897)):
#0  0x00007fbc384d251d in read () at /lib64/libc.so.6
#1  0x00007fbc2dac2931 in pa_read () at /usr/lib64/pulseaudio/libpulsecommon-9.0.so
#2  0x00007fbc2e14b3be in pa_mainloop_prepare () at /usr/lib64/libpulse.so.0
#3  0x00007fbc2e14bdd2 in pa_mainloop_iterate () at /usr/lib64/libpulse.so.0
#4  0x00007fbc2e14be90 in pa_mainloop_run () at /usr/lib64/libpulse.so.0
#5  0x00007fbc2e15a006 in  () at /usr/lib64/libpulse.so.0
#6  0x00007fbc2daf1408 in  () at /usr/lib64/pulseaudio/libpulsecommon-9.0.so
#7  0x00007fbc37cdf734 in start_thread () at /lib64/libpthread.so.0
#8  0x00007fbc384ded3d in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7fbb621ce700 (LWP 4896)):
#0  0x00007fbc384d649d in poll () at /lib64/libc.so.6
#1  0x00007fbc34b9e314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fbc34b9e42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fbc38ddd32b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fbc38d8afdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fbc38bc5f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fbc3bed29c8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007fbc38bca9e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fbc37cdf734 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fbc384ded3d in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7fbb6ef22700 (LWP 2803)):
#0  0x00007fbc384d649d in poll () at /lib64/libc.so.6
#1  0x00007fbc34b9e314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fbc34b9e42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fbc38ddd32b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fbc38d8afdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fbc38bc5f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fbb7034a8f7 in KCupsConnection::run() () at /usr/lib64/libkcupslib.so
#7  0x00007fbc38bca9e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fbc37cdf734 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fbc384ded3d in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7fbb802a3700 (LWP 2576)):
#0  0x00007fbc384d649d in poll () at /lib64/libc.so.6
#1  0x00007fbc34b9e314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fbc34b9e42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fbc38ddd32b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fbc38d8afdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fbc38bc5f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fbc3ca55632 in  () at /usr/lib64/libQt5Quick.so.5
#7  0x00007fbc38bca9e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fbc37cdf734 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fbc384ded3d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7fbb8916d700 (LWP 2556)):
#0  0x00007fbc37ce40af in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fbb8f98e533 in  () at /usr/lib64/dri/r600_dri.so
#2  0x00007fbb8f98dd57 in  () at /usr/lib64/dri/r600_dri.so
#3  0x00007fbc37cdf734 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fbc384ded3d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7fbc157f0700 (LWP 2538)):
#0  0x00007fbc37ce40af in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fbc3e69c93b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007fbc3e69c969 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007fbc37cdf734 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fbc384ded3d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7fbc17452700 (LWP 2537)):
#0  0x00007fbc38ddd642 in  () at /usr/lib64/libQt5Core.so.5
#1  0x00007fbc34b9dda1 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fbc34b9e2a8 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fbc34b9e42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fbc38ddd32b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fbc38d8afdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fbc38bc5f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007fbc3bed29c8 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x00007fbc38bca9e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fbc37cdf734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fbc384ded3d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fbc24ea5700 (LWP 2490)):
#0  0x00007fbc34bdf7b0 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fbc34b9db51 in g_main_context_query () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fbc34b9e27f in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fbc34b9e42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fbc38ddd32b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fbc38d8afdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fbc38bc5f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007fbc3bed29c8 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x00007fbc38bca9e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fbc37cdf734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fbc384ded3d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fbc268ec700 (LWP 2438)):
#0  0x00007fbc34bdf7d0 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fbc34b9d950 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fbc34b9e230 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fbc34b9e42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fbc38ddd32b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fbc38d8afdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fbc38bc5f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007fbc399461d5 in  () at /usr/lib64/libQt5DBus.so.5
#8  0x00007fbc38bca9e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fbc37cdf734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fbc384ded3d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fbc284f2700 (LWP 2428)):
#0  0x00007fbc384d649d in poll () at /lib64/libc.so.6
#1  0x00007fbc3d6173e2 in  () at /usr/lib64/libxcb.so.1
#2  0x00007fbc3d618fcf in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007fbc2a63a839 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007fbc38bca9e9 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007fbc37cdf734 in start_thread () at /lib64/libpthread.so.0
#6  0x00007fbc384ded3d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fbc3efbf900 (LWP 2420)):
[KCrash Handler]
#6  0x0000000000000000 in  ()
#7  0x00007fbc38db7737 in QMetaObject::activate(QObject*, int, void**) () at /usr/lib64/libQt5Core.so.5
#8  0x00007fbc3bcadad2 in  () at /usr/lib64/libQt5Qml.so.5
#9  0x00007fbc3bef1409 in QQmlDelegateModel::_q_itemsChanged(int, int, QVector<int> const&) () at /usr/lib64/libQt5Qml.so.5
#10 0x00007fbc3bf186d4 in  () at /usr/lib64/libQt5Qml.so.5
#11 0x00007fbc3bf190db in QQmlDelegateModel::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib64/libQt5Qml.so.5
#12 0x00007fbc38db7139 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#13 0x00007fbc38e2d04c in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () at /usr/lib64/libQt5Core.so.5
#14 0x00007fbb7ecd31c4 in  () at /usr/lib64/qt5/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#15 0x00007fbb7ecedecf in  () at /usr/lib64/qt5/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#16 0x00007fbb7ecee8c3 in  () at /usr/lib64/qt5/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#17 0x00007fbc3be41030 in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () at /usr/lib64/libQt5Qml.so.5
#18 0x00007fbc3be54b26 in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#19 0x00007fbc3be1c216 in QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*, QV4::Value const&) () at /usr/lib64/libQt5Qml.so.5
#20 0x00007fbc3be1c82f in QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, QV4::Value const&) () at /usr/lib64/libQt5Qml.so.5
#21 0x00007fbc3be1c94d in QV4::QObjectWrapper::put(QV4::Managed*, QV4::String*, QV4::Value const&) () at /usr/lib64/libQt5Qml.so.5
#22 0x00007fbc3be2d1f6 in QV4::Runtime::setProperty(QV4::ExecutionEngine*, QV4::Value const&, int, QV4::Value const&) () at /usr/lib64/libQt5Qml.so.5
#23 0x00007fbb7f157441 in  ()
#24 0x0000000002dbfc60 in  ()
#25 0x00007fbc393a61cf in QTextEngine::fontEngine(QScriptItem const&, QFixed*, QFixed*, QFixed*) const () at /usr/lib64/libQt5Gui.so.5
#26 0x00007fbc393a9e11 in QTextEngine::itemize() const () at /usr/lib64/libQt5Gui.so.5
#27 0x00007ffceb4dda90 in  ()
#28 0x00007fbb7fa8c2f8 in  ()
#29 0x00007fbc3beb8e0a in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () at /usr/lib64/libQt5Qml.so.5
#30 0x00007fbc3be61724 in QQmlBoundSignalExpression::evaluate(void**) () at /usr/lib64/libQt5Qml.so.5
#31 0x00007fbc3be62776 in  () at /usr/lib64/libQt5Qml.so.5
#32 0x00007fbc3be97117 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib64/libQt5Qml.so.5
#33 0x00007fbc3be452a4 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib64/libQt5Qml.so.5
#34 0x00007fbc38db6953 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#35 0x00007fbc3cc2caf2 in QQuickMouseArea::positionChanged(QQuickMouseEvent*) () at /usr/lib64/libQt5Quick.so.5
#36 0x00007fbc3cb5e419 in QQuickMouseArea::hoverMoveEvent(QHoverEvent*) () at /usr/lib64/libQt5Quick.so.5
#37 0x00007fbc3cae135d in QQuickItem::event(QEvent*) () at /usr/lib64/libQt5Quick.so.5
#38 0x00007fbc39d14e3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#39 0x00007fbc39d1949a in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#40 0x00007fbc38d8cfc5 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#41 0x00007fbc3caf1ec1 in QQuickWindow::sendEvent(QQuickItem*, QEvent*) () at /usr/lib64/libQt5Quick.so.5
#42 0x00007fbc3caf443d in QQuickWindowPrivate::sendHoverEvent(QEvent::Type, QQuickItem*, QPointF const&, QPointF const&, QFlags<Qt::KeyboardModifier>, bool) () at /usr/lib64/libQt5Quick.so.5
#43 0x00007fbc3caf4f57 in QQuickWindowPrivate::deliverHoverEvent(QQuickItem*, QPointF const&, QPointF const&, QFlags<Qt::KeyboardModifier>, bool&) () at /usr/lib64/libQt5Quick.so.5
#44 0x00007fbc3caf47a6 in QQuickWindowPrivate::deliverHoverEvent(QQuickItem*, QPointF const&, QPointF const&, QFlags<Qt::KeyboardModifier>, bool&) () at /usr/lib64/libQt5Quick.so.5
#45 0x00007fbc3caf47a6 in QQuickWindowPrivate::deliverHoverEvent(QQuickItem*, QPointF const&, QPointF const&, QFlags<Qt::KeyboardModifier>, bool&) () at /usr/lib64/libQt5Quick.so.5
#46 0x00007fbc3caf47a6 in QQuickWindowPrivate::deliverHoverEvent(QQuickItem*, QPointF const&, QPointF const&, QFlags<Qt::KeyboardModifier>, bool&) () at /usr/lib64/libQt5Quick.so.5
#47 0x00007fbc3caf47a6 in QQuickWindowPrivate::deliverHoverEvent(QQuickItem*, QPointF const&, QPointF const&, QFlags<Qt::KeyboardModifier>, bool&) () at /usr/lib64/libQt5Quick.so.5
#48 0x00007fbc3caf47a6 in QQuickWindowPrivate::deliverHoverEvent(QQuickItem*, QPointF const&, QPointF const&, QFlags<Qt::KeyboardModifier>, bool&) () at /usr/lib64/libQt5Quick.so.5
#49 0x00007fbc3caf47a6 in QQuickWindowPrivate::deliverHoverEvent(QQuickItem*, QPointF const&, QPointF const&, QFlags<Qt::KeyboardModifier>, bool&) () at /usr/lib64/libQt5Quick.so.5
#50 0x00007fbc3caf47a6 in QQuickWindowPrivate::deliverHoverEvent(QQuickItem*, QPointF const&, QPointF const&, QFlags<Qt::KeyboardModifier>, bool&) () at /usr/lib64/libQt5Quick.so.5
#51 0x00007fbc3caf47a6 in QQuickWindowPrivate::deliverHoverEvent(QQuickItem*, QPointF const&, QPointF const&, QFlags<Qt::KeyboardModifier>, bool&) () at /usr/lib64/libQt5Quick.so.5
#52 0x00007fbc3caf47a6 in QQuickWindowPrivate::deliverHoverEvent(QQuickItem*, QPointF const&, QPointF const&, QFlags<Qt::KeyboardModifier>, bool&) () at /usr/lib64/libQt5Quick.so.5
#53 0x00007fbc3caf47a6 in QQuickWindowPrivate::deliverHoverEvent(QQuickItem*, QPointF const&, QPointF const&, QFlags<Qt::KeyboardModifier>, bool&) () at /usr/lib64/libQt5Quick.so.5
#54 0x00007fbc3caf47a6 in QQuickWindowPrivate::deliverHoverEvent(QQuickItem*, QPointF const&, QPointF const&, QFlags<Qt::KeyboardModifier>, bool&) () at /usr/lib64/libQt5Quick.so.5
#55 0x00007fbc3caf47a6 in QQuickWindowPrivate::deliverHoverEvent(QQuickItem*, QPointF const&, QPointF const&, QFlags<Qt::KeyboardModifier>, bool&) () at /usr/lib64/libQt5Quick.so.5
#56 0x00007fbc3caf47a6 in QQuickWindowPrivate::deliverHoverEvent(QQuickItem*, QPointF const&, QPointF const&, QFlags<Qt::KeyboardModifier>, bool&) () at /usr/lib64/libQt5Quick.so.5
#57 0x00007fbc3caf8158 in QQuickWindow::mouseMoveEvent(QMouseEvent*) () at /usr/lib64/libQt5Quick.so.5
#58 0x00007fbc392eb85e in QWindow::event(QEvent*) () at /usr/lib64/libQt5Gui.so.5
#59 0x00007fbc3caf9275 in QQuickWindow::event(QEvent*) () at /usr/lib64/libQt5Quick.so.5
#60 0x00007fbc3e9ccb7b in PlasmaQuick::Dialog::event(QEvent*) () at /usr/lib64/libKF5PlasmaQuick.so.5
#61 0x00007fbc39d14e3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#62 0x00007fbc39d1949a in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#63 0x00007fbc38d8cfc5 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#64 0x00007fbc392e068b in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /usr/lib64/libQt5Gui.so.5
#65 0x00007fbc392e1e05 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib64/libQt5Gui.so.5
#66 0x00007fbc392c3eeb in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Gui.so.5
#67 0x00007fbc2a667bc0 in  () at /usr/lib64/libQt5XcbQpa.so.5
#68 0x00007fbc34b9e134 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#69 0x00007fbc34b9e388 in  () at /usr/lib64/libglib-2.0.so.0
#70 0x00007fbc34b9e42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#71 0x00007fbc38ddd30c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#72 0x00007fbc38d8afdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#73 0x00007fbc38d92ec6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#74 0x000000000041ee0f in  ()
#75 0x00007fbc384156e5 in __libc_start_main () at /lib64/libc.so.6
#76 0x000000000041f079 in _start ()

Reported using DrKonqi