Bug 373025

Application: plasmashell (5.8.4)

Qt Version: 5.7.1
Frameworks Version: 5.28.0
Operating System: Linux 4.1.34-33-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
Removed display and reattached it.
The crash happens sometimes but not always

OpenSuse 42.1
plasma5-desktop-5.8.4-209.1.x86_64

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fdd6d16f7c0 (LWP 8188))]

Thread 10 (Thread 0x7fdc98c23700 (LWP 9450)):
#0  0x00007fdd61ae4d14 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fdd61aa2e59 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fdd61aa2f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fdd6720a9eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fdc940013d0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fdd671ba2db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fdc98c22df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fdd66ffffca in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:507
#6  0x00007fdd6a2813e8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007fdd670047f9 in QThreadPrivate::start(void*) (arg=0x1042060) at thread/qthread_unix.cpp:368
#8  0x00007fdd6610e0a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fdd6690d02d in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7fdc8fffe700 (LWP 8553)):
#0  0x00007fdd66904bfd in poll () at /lib64/libc.so.6
#1  0x00007fdd5ca877d1 in  () at /usr/lib64/libpulse.so.0
#2  0x00007fdd5ca78f0c in pa_mainloop_poll () at /usr/lib64/libpulse.so.0
#3  0x00007fdd5ca7957e in pa_mainloop_iterate () at /usr/lib64/libpulse.so.0
#4  0x00007fdd5ca79630 in pa_mainloop_run () at /usr/lib64/libpulse.so.0
#5  0x00007fdd5ca87783 in  () at /usr/lib64/libpulse.so.0
#6  0x00007fdd5c217f98 in  () at /usr/lib64/pulseaudio/libpulsecommon-7.0.so
#7  0x00007fdd6610e0a4 in start_thread () at /lib64/libpthread.so.0
#8  0x00007fdd6690d02d in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7fdca9afe700 (LWP 8410)):
#0  0x00007fdd66904bfd in poll () at /lib64/libc.so.6
#1  0x00007fdd61aa2e64 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fdd61aa2f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fdd6720a9eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fdca40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fdd671ba2db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fdca9afddd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fdd66ffffca in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:507
#6  0x00007fdcab14acb7 in KCupsConnection::run() () at /usr/lib64/libkcupslib.so
#7  0x00007fdd670047f9 in QThreadPrivate::start(void*) (arg=0x3e90a10) at thread/qthread_unix.cpp:368
#8  0x00007fdd6610e0a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fdd6690d02d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7fdcb5188700 (LWP 8406)):
#0  0x00007fdd66900ccd in read () at /lib64/libc.so.6
#1  0x00007fdd61ae3b60 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fdd61aa2999 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fdd61aa2df8 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fdd61aa2f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fdd6720a9eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fdcb00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007fdd671ba2db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fdcb5187db0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#7  0x00007fdd66ffffca in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:507
#8  0x00007fdd6ae03492 in  () at /usr/lib64/libQt5Quick.so.5
#9  0x00007fdd670047f9 in QThreadPrivate::start(void*) (arg=0x19d9810) at thread/qthread_unix.cpp:368
#10 0x00007fdd6610e0a4 in start_thread () at /lib64/libpthread.so.0
#11 0x00007fdd6690d02d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7fdd438bd700 (LWP 8375)):
#0  0x00007fdd6611203f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fdd6c84cacb in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007fdd6c84caf9 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007fdd6610e0a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fdd6690d02d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7fdd4d8fa700 (LWP 8273)):
#0  0x00007fdd66900ccd in read () at /lib64/libc.so.6
#1  0x00007fdd61ae3b60 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fdd61aa2999 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fdd61aa2df8 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fdd61aa2f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fdd6720a9eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fdd3c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007fdd671ba2db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fdd4d8f9df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#7  0x00007fdd66ffffca in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:507
#8  0x00007fdd6a2813e8 in  () at /usr/lib64/libQt5Qml.so.5
#9  0x00007fdd670047f9 in QThreadPrivate::start(void*) (arg=0x1182f20) at thread/qthread_unix.cpp:368
#10 0x00007fdd6610e0a4 in start_thread () at /lib64/libpthread.so.0
#11 0x00007fdd6690d02d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fdd4f1cc700 (LWP 8247)):
#0  0x00007fdd61ae4d14 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fdd61aa2759 in g_main_context_query () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fdd61aa2dcf in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fdd61aa2f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fdd6720a9eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fdd440008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fdd671ba2db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fdd4f1cbdf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007fdd66ffffca in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:507
#7  0x00007fdd6a2813e8 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x00007fdd670047f9 in QThreadPrivate::start(void*) (arg=0x11088e0) at thread/qthread_unix.cpp:368
#9  0x00007fdd6610e0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fdd6690d02d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fdd5601e700 (LWP 8203)):
#0  0x00007fdd66904bfd in poll () at /lib64/libc.so.6
#1  0x00007fdd6b7b8422 in  () at /usr/lib64/libxcb.so.1
#2  0x00007fdd6b7ba00f in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007fdd58374779 in QXcbEventReader::run() (this=0x10372e0) at qxcbconnection.cpp:1343
#4  0x00007fdd670047f9 in QThreadPrivate::start(void*) (arg=0x10372e0) at thread/qthread_unix.cpp:368
#5  0x00007fdd6610e0a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007fdd6690d02d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fdd5a6c5700 (LWP 8200)):
#0  0x00007fdd66900ccd in read () at /lib64/libc.so.6
#1  0x00007fdd61ae3b60 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fdd61aa2999 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fdd61aa2df8 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fdd61aa2f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fdd6720a9eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fdd500008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007fdd671ba2db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fdd5a6c4de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#7  0x00007fdd66ffffca in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:507
#8  0x00007fdd67620a25 in  () at /usr/lib64/libQt5DBus.so.5
#9  0x00007fdd670047f9 in QThreadPrivate::start(void*) (arg=0x7fdd67887d00) at thread/qthread_unix.cpp:368
#10 0x00007fdd6610e0a4 in start_thread () at /lib64/libpthread.so.0
#11 0x00007fdd6690d02d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fdd6d16f7c0 (LWP 8188)):
[KCrash Handler]
#6  0x00007fdd679af1e0 in QScreen::size() const (this=0x8) at ../../src/corelib/tools/qscopedpointer.h:141
#7  0x00007fdd679af1e0 in QScreen::size() const (p=...) at ../../src/corelib/global/qglobal.h:980
#8  0x00007fdd679af1e0 in QScreen::size() const (this=0x0) at kernel/qscreen.h:68
#9  0x00007fdd679af1e0 in QScreen::size() const (this=0x0) at kernel/qscreen.cpp:179
#10 0x000000000042ddff in PanelView::resizePanel() (this=this@entry=0x19b8770) at /usr/src/debug/plasma-workspace-5.8.4/shell/panelview.cpp:477
#11 0x000000000042df11 in PanelView::setLength(int) (this=0x19b8770, value=<optimized out>) at /usr/src/debug/plasma-workspace-5.8.4/shell/panelview.cpp:230
#12 0x0000000000431f5c in PanelView::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=_o@entry=0x19b8770, _c=_c@entry=QMetaObject::WriteProperty, _id=_id@entry=3, _a=_a@entry=0x7ffe18103410) at /usr/src/debug/plasma-workspace-5.8.4/build/shell/moc_panelview.cpp:360
#13 0x000000000043295b in PanelView::qt_metacall(QMetaObject::Call, int, void**) (this=0x19b8770, _c=QMetaObject::WriteProperty, _id=3, _a=0x7ffe18103410) at /usr/src/debug/plasma-workspace-5.8.4/build/shell/moc_panelview.cpp:414
#14 0x00007fdd6a203ed7 in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#15 0x00007fdd6a204e71 in QQmlPropertyPrivate::writeValueProperty(QObject*, QQmlPropertyData const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#16 0x00007fdd6a20502b in QQmlProperty::write(QVariant const&) const () at /usr/lib64/libQt5Qml.so.5
#17 0x00007fdd6a2c6325 in  () at /usr/lib64/libQt5Qml.so.5
#18 0x00007fdd6a2c6463 in  () at /usr/lib64/libQt5Qml.so.5
#19 0x00007fdd6a204032 in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#20 0x00007fdd6a204e71 in QQmlPropertyPrivate::writeValueProperty(QObject*, QQmlPropertyData const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#21 0x00007fdd6a26dd71 in QQmlBinding::write(QQmlPropertyData const&, QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#22 0x00007fdd6a26ee60 in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#23 0x00007fdd6a26f3ce in QQmlBinding::expressionChanged() () at /usr/lib64/libQt5Qml.so.5
#24 0x00007fdd6a2459d7 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib64/libQt5Qml.so.5
#25 0x00007fdd6a1f444c in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib64/libQt5Qml.so.5
#26 0x00007fdd671e48c0 in QMetaObject::activate(QObject*, int, int, void**) (sender=0x3c11380, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3618
#27 0x00007fdcb6e8530b in  () at /usr/lib64/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#28 0x00007fdd671c94ca in QMetaProperty::write(QObject*, QVariant const&) const (this=this@entry=0x7ffe181054f0, object=object@entry=0x3c11380, value=...) at kernel/qmetaobject.cpp:3115
#29 0x00007fdd671ecc4f in QObject::setProperty(char const*, QVariant const&) (this=0x3c11380, name=0x5214388 "preferredWidth", value=...) at kernel/qobject.cpp:3887
#30 0x00007fdd6cb72689 in  () at /usr/lib64/libKF5PlasmaQuick.so.5
#31 0x00007fdd6cb727b8 in  () at /usr/lib64/libKF5PlasmaQuick.so.5
#32 0x00007fdd6cb75439 in  () at /usr/lib64/libKF5PlasmaQuick.so.5
#33 0x00007fdd671e3f55 in QMetaObject::activate(QObject*, int, int, void**) (sender=0x3b52050, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3740
#34 0x00007fdcb6e8530b in  () at /usr/lib64/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#35 0x00007fdd6a26d4e1 in QQmlBinding::write(QQmlPropertyData const&, QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#36 0x00007fdd6a26ee60 in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#37 0x00007fdd6a26f3ce in QQmlBinding::expressionChanged() () at /usr/lib64/libQt5Qml.so.5
#38 0x00007fdd6a2459d7 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib64/libQt5Qml.so.5
#39 0x00007fdd6a1f444c in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib64/libQt5Qml.so.5
#40 0x00007fdd671e48c0 in QMetaObject::activate(QObject*, int, int, void**) (sender=0x3b50a10, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3618
#41 0x00007fdcb6e8530b in  () at /usr/lib64/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#42 0x00007fdd6a26d4e1 in QQmlBinding::write(QQmlPropertyData const&, QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#43 0x00007fdd6a26ee60 in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#44 0x00007fdd6a26f3ce in QQmlBinding::expressionChanged() () at /usr/lib64/libQt5Qml.so.5
#45 0x00007fdd6a2459d7 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib64/libQt5Qml.so.5
#46 0x00007fdd6a1f444c in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib64/libQt5Qml.so.5
#47 0x00007fdd671e48c0 in QMetaObject::activate(QObject*, int, int, void**) (sender=0x3b540a0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3618
#48 0x00007fdcb6e8530b in  () at /usr/lib64/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#49 0x00007fdd6a26d4e1 in QQmlBinding::write(QQmlPropertyData const&, QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#50 0x00007fdd6a26ee60 in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#51 0x00007fdd6a26f3ce in QQmlBinding::expressionChanged() () at /usr/lib64/libQt5Qml.so.5
#52 0x00007fdd6a2459d7 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib64/libQt5Qml.so.5
#53 0x00007fdd6a1f444c in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib64/libQt5Qml.so.5
#54 0x00007fdd671e48c0 in QMetaObject::activate(QObject*, int, int, void**) (sender=0x3bfbe40, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3618
#55 0x00007fdcb6e8530b in  () at /usr/lib64/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#56 0x00007fdd671c94ca in QMetaProperty::write(QObject*, QVariant const&) const (this=this@entry=0x7ffe1810ae60, object=object@entry=0x3bfbe40, value=...) at kernel/qmetaobject.cpp:3115
#57 0x00007fdd671ecc4f in QObject::setProperty(char const*, QVariant const&) (this=0x3bfbe40, name=0x5e64798 "minimumWidth", value=...) at kernel/qobject.cpp:3887
#58 0x00007fdd6cb72689 in  () at /usr/lib64/libKF5PlasmaQuick.so.5
#59 0x00007fdd6cb726d8 in  () at /usr/lib64/libKF5PlasmaQuick.so.5
#60 0x00007fdd6cb75411 in  () at /usr/lib64/libKF5PlasmaQuick.so.5
#61 0x00007fdd671e3f55 in QMetaObject::activate(QObject*, int, int, void**) (sender=0x3006da0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3740
#62 0x00007fdcb6e8530b in  () at /usr/lib64/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#63 0x00007fdd6a26d4e1 in QQmlBinding::write(QQmlPropertyData const&, QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#64 0x00007fdd6a26ee60 in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#65 0x00007fdd6a26f3ce in QQmlBinding::expressionChanged() () at /usr/lib64/libQt5Qml.so.5
#66 0x00007fdd6a2459d7 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib64/libQt5Qml.so.5
#67 0x00007fdd6a1f444c in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib64/libQt5Qml.so.5
#68 0x00007fdd671e48c0 in QMetaObject::activate(QObject*, int, int, void**) (sender=0x3005450, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3618
#69 0x00007fdd6ae831aa in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /usr/lib64/libQt5Quick.so.5
#70 0x00007fdd6ae87684 in QQuickItem::setImplicitSize(double, double) () at /usr/lib64/libQt5Quick.so.5
#71 0x00007fdd6af3fc7c in QQuickBasePositioner::prePositioning() () at /usr/lib64/libQt5Quick.so.5
#72 0x00007fdd6aea0d4f in QQuickWindowPrivate::polishItems() () at /usr/lib64/libQt5Quick.so.5
#73 0x00007fdd6ae6c70a in  () at /usr/lib64/libQt5Quick.so.5
#74 0x00007fdd6aea779f in QQuickWindow::event(QEvent*) () at /usr/lib64/libQt5Quick.so.5
#75 0x000000000043029b in PanelView::event(QEvent*) (this=0x19b8770, e=0x7ffe1810d380) at /usr/src/debug/plasma-workspace-5.8.4/shell/panelview.cpp:852
#76 0x00007fdd680eb21c in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x19b8770, e=0x7ffe1810d380) at kernel/qapplication.cpp:3799
#77 0x00007fdd680f21a0 in QApplication::notify(QObject*, QEvent*) (this=0x7ffe1810db70, receiver=0x19b8770, e=0x7ffe1810d380) at kernel/qapplication.cpp:3556
#78 0x00007fdd671bc005 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=receiver@entry=0x19b8770, event=event@entry=0x7ffe1810d380) at kernel/qcoreapplication.cpp:988
#79 0x00007fdd67991e6e in QWindowPrivate::deliverUpdateRequest() (event=0x7ffe1810d380, receiver=0x19b8770) at ../../src/corelib/kernel/qcoreapplication.h:231
#80 0x00007fdd67991e6e in QWindowPrivate::deliverUpdateRequest() (this=<optimized out>) at kernel/qwindow.cpp:2171
#81 0x00007fdd6799227d in QWindow::event(QEvent*) (this=0x19b8770, ev=<optimized out>) at kernel/qwindow.cpp:2142
#82 0x00007fdd6aea7765 in QQuickWindow::event(QEvent*) () at /usr/lib64/libQt5Quick.so.5
#83 0x000000000043029b in PanelView::event(QEvent*) (this=0x19b8770, e=0x7ffe1810d7b0) at /usr/src/debug/plasma-workspace-5.8.4/shell/panelview.cpp:852
#84 0x00007fdd680eb21c in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x19b8770, e=0x7ffe1810d7b0) at kernel/qapplication.cpp:3799
#85 0x00007fdd680f21a0 in QApplication::notify(QObject*, QEvent*) (this=0x7ffe1810db70, receiver=0x19b8770, e=0x7ffe1810d7b0) at kernel/qapplication.cpp:3556
#86 0x00007fdd671bc005 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x19b8770, event=event@entry=0x7ffe1810d7b0) at kernel/qcoreapplication.cpp:988
#87 0x00007fdd6720a2ee in QTimerInfoList::activateTimers() (event=0x7ffe1810d7b0, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:231
#88 0x00007fdd6720a2ee in QTimerInfoList::activateTimers() (this=0x1070d90) at kernel/qtimerinfo_unix.cpp:644
#89 0x00007fdd6720a6a1 in timerSourceDispatch(GSource*, GSourceFunc, gpointer) (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:182
#90 0x00007fdd61aa2c84 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#91 0x00007fdd61aa2ed8 in  () at /usr/lib64/libglib-2.0.so.0
#92 0x00007fdd61aa2f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#93 0x00007fdd6720a9cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x1075470, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#94 0x00007fdd671ba2db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffe1810d9f0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#95 0x00007fdd671c20d6 in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1261
#96 0x00007fdd6797f41c in QGuiApplication::exec() () at kernel/qguiapplication.cpp:1633
#97 0x00007fdd680eb175 in QApplication::exec() () at kernel/qapplication.cpp:2975
#98 0x000000000041eb7c in main(int, char**) (argc=2, argv=<optimized out>) at /usr/src/debug/plasma-workspace-5.8.4/shell/main.cpp:166

Possible duplicates by query: bug 372301, bug 366707.

Reported using DrKonqi