Application: plasmashell (5.10.5)

Qt Version: 5.9.1
Frameworks Version: 5.38.0
Operating System: Linux 4.13.0-16-generic x86_64
Distribution: Ubuntu 17.10

-- Information about the crash:
- What I was doing when the application crashed:

I unchecked display of system tray icons for IM, touchpad, and clipboard.

- Unusual behavior I noticed:

This crash occurred and desktop redrew itself.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe23a20a900 (LWP 1825))]

Thread 7 (Thread 0x7fe16a8ca700 (LWP 2126)):
#0  0x00007fe23383e901 in __GI___poll (fds=0x7fe1640029e0, nfds=1, timeout=2625652) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fe22e471169 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe22e47127c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe23417e49b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe234123e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe233f433ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fe16cee3717 in KCupsConnection::run() () at /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007fe233f4829d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fe2330de7fc in start_thread (arg=0x7fe16a8ca700) at pthread_create.c:465
#9  0x00007fe23384ab0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fe17fb2e700 (LWP 2019)):
#0  0x00007fe23383e901 in __GI___poll (fds=0x7fe178005480, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fe22e471169 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe22e47127c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe23417e49b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe234123e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe233f433ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fe237c39846 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fe233f4829d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fe2330de7fc in start_thread (arg=0x7fe17fb2e700) at pthread_create.c:465
#9  0x00007fe23384ab0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fe20f5aa700 (LWP 1992)):
#0  0x00007fe2330e5072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fe239bdcfb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fe2330e5072 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe239bdcf68, cond=0x7fe239bdcf90) at pthread_cond_wait.c:502
#2  0x00007fe2330e5072 in __pthread_cond_wait (cond=0x7fe239bdcf90, mutex=0x7fe239bdcf68) at pthread_cond_wait.c:655
#3  0x00007fe2398e8bd4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007fe2398e8c19 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007fe2330de7fc in start_thread (arg=0x7fe20f5aa700) at pthread_create.c:465
#6  0x00007fe23384ab0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fe219761700 (LWP 1990)):
#0  0x00007fe22e4b65d4 in g_mutex_unlock () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe22e471286 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe23417e49b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fe234123e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe233f433ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe2370a3f45 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007fe233f4829d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fe2330de7fc in start_thread (arg=0x7fe219761700) at pthread_create.c:465
#8  0x00007fe23384ab0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fe21b9d4700 (LWP 1908)):
#0  0x00007fe23383e901 in __GI___poll (fds=0x7fe2100029e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fe22e471169 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe22e47127c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe23417e49b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe234123e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe233f433ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fe2370a3f45 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fe233f4829d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fe2330de7fc in start_thread (arg=0x7fe21b9d4700) at pthread_create.c:465
#9  0x00007fe23384ab0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fe22160a700 (LWP 1880)):
#0  0x00007fe23383e901 in __GI___poll (fds=0x7fe214012650, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fe22e471169 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe22e47127c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe23417e49b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe234123e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe233f433ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fe2345fae45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fe233f4829d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fe2330de7fc in start_thread (arg=0x7fe22160a700) at pthread_create.c:465
#9  0x00007fe23384ab0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fe23a20a900 (LWP 1825)):
[KCrash Handler]
#6  0x00007fe236fd9675 in QV4::QObjectWrapper::getProperty(QV4::ExecutionEngine*, QObject*, int, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fe236fecdc3 in QV4::Runtime::method_getQmlQObjectProperty(QV4::ExecutionEngine*, QV4::Value const&, int, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fe20c033f3c in  ()
#9  0x00007fe23813cac0 in QQuickItem::staticMetaObject () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x000000000000007b in  ()
#11 0x00007fe218362488 in  ()
#12 0x0003400000000001 in  ()
#13 0x00007ffd85a5865f in  ()
#14 0x1b042013464e9900 in  ()
#15 0x00007fe2183624b0 in  ()
#16 0x00007fe2183623c0 in  ()
#17 0x00007ffd85a58890 in  ()
#18 0x000055c16503f020 in  ()
#19 0x000055c167426380 in  ()
#20 0x00007fe236f5ed9c in QV4::ExecutionContext::simpleCall(QV4::Scope&, QV4::CallData*, QV4::Function*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#21 0x00007fe2370842f1 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*, QV4::Scope&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#22 0x00007fe23708e626 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#23 0x00007fe23708b483 in QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#24 0x00007fe2370620c3 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#25 0x00007fe237001099 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#26 0x00007fe23415411f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007fe237cf4948 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#28 0x00007fe237cee9bb in QQuickItem::setX(double) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#29 0x00007fe237cfddf4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#30 0x00007fe23708e0ae in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#31 0x00007fe23708e6be in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#32 0x00007fe23708b483 in QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#33 0x00007fe2370620c3 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#34 0x00007fe237001099 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#35 0x00007fe23415411f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007fe237ce7802 in QQuickItem::childrenRectChanged(QRectF const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#37 0x00007fe237ceb563 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#38 0x00007fe237cf4bce in QQuickItemPrivate::itemChange(QQuickItem::ItemChange, QQuickItem::ItemChangeData const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#39 0x00007fe237cf9fdf in QQuickItemPrivate::removeChild(QQuickItem*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#40 0x00007fe237cfa6f9 in QQuickItem::setParentItem(QQuickItem*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#41 0x00007fe237cfbdd8 in QQuickItem::~QQuickItem() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#42 0x00007fe184b0d555 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so
#43 0x00007fe234155470 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#44 0x00007fe237cf93eb in QQuickItem::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#45 0x00007fe23512a46c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#46 0x00007fe235131d34 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#47 0x00007fe234125de8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#48 0x00007fe23412855d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#49 0x00007fe23417ee53 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#50 0x00007fe22e470fb7 in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#51 0x00007fe22e4711f0 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#52 0x00007fe22e47127c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#53 0x00007fe23417e47f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#54 0x00007fe234123e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#55 0x00007fe23412cda4 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#56 0x000055c163eabcc2 in  ()
#57 0x00007fe2337571c1 in __libc_start_main (main=0x55c163eab160, argc=1, argv=0x7ffd85a5cca8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd85a5cc98) at ../csu/libc-start.c:308
#58 0x000055c163eac03a in _start ()

Reported using DrKonqi