https://bugs.kde.org/show_bug.cgi?id=397712

            Bug ID: 397712
           Summary: Crash with two unified monitors
           Product: plasmashell
           Version: 5.12.6
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: cqui...@qlands.com
                CC: plasma-b...@kde.org
  Target Milestone: 1.0

Application: plasmashell (5.12.6)

Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 4.15.0-32-generic x86_64
Distribution: Ubuntu 18.04.1 LTS

-- Information about the crash:
Plasma crash when the laptop screen is unified with my external monitor under
display port. The crash happens when I close the laptop screen to leave just
the external screen.

The crash can be reproduced sometimes.

-- 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 0x7fa0c6a0f800 (LWP 5569))]

Thread 8 (Thread 0x7f9ff1b8e700 (LWP 5794)):
#0  0x00007fa0bffd9bf9 in __GI___poll (fds=0x7f9fec006070, nfds=1,
timeout=3255344) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fa0bab43439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa0bab4354c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa0c092790b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa0c08cc9ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa0c06eb22a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9ff44ea747 in KCupsConnection::run() () at
/usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007fa0c06f016d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fa0bf86c6db in start_thread (arg=0x7f9ff1b8e700) at
pthread_create.c:463
#9  0x00007fa0bffe688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fa00cd24700 (LWP 5724)):
#0  0x00007fa0bffd9bf9 in __GI___poll (fds=0x7fa008011cd0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fa0bab43439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa0bab4354c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa0c092790b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa0c08cc9ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa0c06eb22a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fa0c43f72a6 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fa0c06f016d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fa0bf86c6db in start_thread (arg=0x7fa00cd24700) at
pthread_create.c:463
#9  0x00007fa0bffe688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fa09bfff700 (LWP 5715)):
#0  0x00007fa0bf8729f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7fa0c63cdfb8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fa0bf8729f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7fa0c63cdf68, cond=0x7fa0c63cdf90) at pthread_cond_wait.c:502
#2  0x00007fa0bf8729f3 in __pthread_cond_wait (cond=0x7fa0c63cdf90,
mutex=0x7fa0c63cdf68) at pthread_cond_wait.c:655
#3  0x00007fa0c60d75f4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007fa0c60d7639 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007fa0bf86c6db in start_thread (arg=0x7fa09bfff700) at
pthread_create.c:463
#6  0x00007fa0bffe688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fa0a6597700 (LWP 5653)):
#0  0x00007fa0bffd50b4 in __GI___libc_read (fd=11, buf=0x7fa0a6596b70,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fa0bab87960 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa0bab42f27 in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa0bab433e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa0bab4354c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa0c092790b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fa0c08cc9ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa0c06eb22a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fa0c385d6f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fa0c06f016d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fa0bf86c6db in start_thread (arg=0x7fa0a6597700) at
pthread_create.c:463
#11 0x00007fa0bffe688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fa0a7fff700 (LWP 5650)):
#0  0x00007fa0bffd50b4 in __GI___libc_read (fd=10, buf=0x7fa0a7ffeb70,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fa0bab87960 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa0bab42f27 in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa0bab433e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa0bab4354c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa0c092790b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fa0c08cc9ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa0c06eb22a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fa0c385d6f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fa0c06f016d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fa0bf86c6db in start_thread (arg=0x7fa0a7fff700) at
pthread_create.c:463
#11 0x00007fa0bffe688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fa0ae1df700 (LWP 5604)):
#0  0x00007fa0bffd9bf9 in __GI___poll (fds=0x7fa0a0004db0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fa0bab43439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa0bab4354c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa0c092790b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa0c08cc9ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa0c06eb22a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fa0c0da4d45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fa0c06f016d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fa0bf86c6db in start_thread (arg=0x7fa0ae1df700) at
pthread_create.c:463
#9  0x00007fa0bffe688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fa0b076c700 (LWP 5582)):
#0  0x00007fa0bffd9bf9 in __GI___poll (fds=0x7fa0b076bca8, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fa0c5003747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fa0c500536a in xcb_wait_for_event () at
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fa0b31052a9 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fa0c06f016d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa0bf86c6db in start_thread (arg=0x7fa0b076c700) at
pthread_create.c:463
#6  0x00007fa0bffe688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fa0c6a0f800 (LWP 5569)):
[KCrash Handler]
#6  0x00007fa0c1145050 in QScreen::size() const () at
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#7  0x000056449274e209 in  ()
#8  0x0000564492753afe in  ()
#9  0x0000564492753e13 in  ()
#10 0x00007fa0c37ca242 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007fa0c37c7c5b in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData
const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyData::WriteFlag>)
() at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007fa0c387a1d7 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007fa0c37ca282 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#14 0x00007fa0c37c78ec in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData
const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyData::WriteFlag>)
() at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007fa0c3845b64 in QQmlBinding::slowWrite(QQmlPropertyData const&,
QQmlPropertyData const&, QV4::Value const&, bool,
QFlags<QQmlPropertyData::WriteFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007fa0c3846cc8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#17 0x00007fa0c3847d7e in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#18 0x00007fa0c3844b23 in
QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#19 0x00007fa0c381a573 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#20 0x00007fa0c37b7f99 in QQmlData::signalEmitted(QAbstractDeclarativeData*,
QObject*, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#21 0x00007fa0c08fcdef in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007fa00ec75b23 in  () at
/usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#23 0x00007fa0c08dcc15 in QMetaProperty::write(QObject*, QVariant const&) const
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007fa0c0905688 in QObject::setProperty(char const*, QVariant const&) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007fa0c63fec45 in  () at
/usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#26 0x00007fa0c63feecb in  () at
/usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#27 0x00007fa0c6403b49 in  () at
/usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#28 0x00007fa0c08fd5b5 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007fa0c384776e in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#30 0x00007fa0c3847d7e in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#31 0x00007fa0c3844b23 in
QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#32 0x00007fa0c381a573 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#33 0x00007fa0c37b7f99 in QQmlData::signalEmitted(QAbstractDeclarativeData*,
QObject*, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#34 0x00007fa0c08fcdef in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007fa0c384776e in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#36 0x00007fa0c3847d7e in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#37 0x00007fa0c3844b23 in
QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#38 0x00007fa0c381a573 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#39 0x00007fa0c37b7f99 in QQmlData::signalEmitted(QAbstractDeclarativeData*,
QObject*, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#40 0x00007fa0c08fcdef in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x00007fa0c384776e in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#42 0x00007fa0c3847d7e in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#43 0x00007fa0c3844b23 in
QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#44 0x00007fa0c381a573 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#45 0x00007fa0c37b7f99 in QQmlData::signalEmitted(QAbstractDeclarativeData*,
QObject*, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#46 0x00007fa0c08fcdef in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#47 0x00007fa00ec75b23 in  () at
/usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#48 0x00007fa0c08dcc15 in QMetaProperty::write(QObject*, QVariant const&) const
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#49 0x00007fa0c0905688 in QObject::setProperty(char const*, QVariant const&) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#50 0x00007fa0c63fec45 in  () at
/usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#51 0x00007fa0c63feecb in  () at
/usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#52 0x00007fa0c6403b49 in  () at
/usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#53 0x00007fa0c08fd5b5 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#54 0x00007fa0c384776e in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#55 0x00007fa0c3847d7e in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#56 0x00007fa0c3844b23 in
QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#57 0x00007fa0c381a573 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#58 0x00007fa0c37b7f99 in QQmlData::signalEmitted(QAbstractDeclarativeData*,
QObject*, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#59 0x00007fa0c08fcdef in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#60 0x00007fa0c08fd6cf in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#61 0x00007fa0c0869a8e in QAbstractItemModel::rowsInserted(QModelIndex const&,
int, int, QAbstractItemModel::QPrivateSignal) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#62 0x00007fa0c087110b in QAbstractItemModel::endInsertRows() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#63 0x00007fa0c0892b05 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#64 0x00007fa0c089494a in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#65 0x00007fa0c0894baf in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#66 0x00007fa0c0897ce9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#67 0x00007fa0c08fd5b5 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#68 0x00007fa0c0869a8e in QAbstractItemModel::rowsInserted(QModelIndex const&,
int, int, QAbstractItemModel::QPrivateSignal) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#69 0x00007fa0c087110b in QAbstractItemModel::endInsertRows() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#70 0x00007f9ffc74e5e0 in
TaskManager::TaskGroupingProxyModel::Private::sourceRowsInserted(QModelIndex
const&, int, int) () at /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6
#71 0x00007f9ffc74fc69 in  () at /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6
#72 0x00007fa0c08fd5b5 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#73 0x00007fa0c0869a8e in QAbstractItemModel::rowsInserted(QModelIndex const&,
int, int, QAbstractItemModel::QPrivateSignal) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#74 0x00007fa0c087110b in QAbstractItemModel::endInsertRows() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#75 0x00007fa0c0892b05 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#76 0x00007fa0c08967ff in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#77 0x00007fa0c0897c58 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#78 0x00007fa0c08fd5b5 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#79 0x00007fa0c086984c in QAbstractItemModel::dataChanged(QModelIndex const&,
QModelIndex const&, QVector<int> const&) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#80 0x00007f9fffd04432 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ItemModels.so.5
#81 0x00007f9fffd05188 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ItemModels.so.5
#82 0x00007fa0c08fd5b5 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#83 0x00007fa0c086984c in QAbstractItemModel::dataChanged(QModelIndex const&,
QModelIndex const&, QVector<int> const&) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#84 0x00007fa0c088b421 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#85 0x00007fa0c088d0f8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#86 0x00007fa0c08fd5b5 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#87 0x00007fa0c086984c in QAbstractItemModel::dataChanged(QModelIndex const&,
QModelIndex const&, QVector<int> const&) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#88 0x00007f9ffc76bb20 in
TaskManager::XWindowTasksModel::Private::dataChanged(unsigned long long,
QVector<int> const&) () at /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6
#89 0x00007f9ffc76cd4a in
TaskManager::XWindowTasksModel::Private::windowChanged(unsigned long long,
QFlags<NET::Property>, QFlags<NET::Property2>) () at
/usr/lib/x86_64-linux-gnu/libtaskmanager.so.6
#90 0x00007fa0c08fd6cf in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#91 0x00007fa0c336e4eb in KWindowSystem::windowChanged(unsigned long long,
QFlags<NET::Property>, QFlags<NET::Property2>) () at
/usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#92 0x00007fa0acbb97a6 in  () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#93 0x00007fa0c08cb58f in
QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#94 0x00007fa0b3106820 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#95 0x00007fa0b31074ac in QXcbConnection::processXcbEvents() () at
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#96 0x00007fa0c08fe122 in QObject::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#97 0x00007fa0c18d682c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#98 0x00007fa0c18de0f4 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#99 0x00007fa0c08ce9a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#100 0x00007fa0c08d111d in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#101 0x00007fa0c09282c3 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#102 0x00007fa0bab43287 in g_main_context_dispatch () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#103 0x00007fa0bab434c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#104 0x00007fa0bab4354c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#105 0x00007fa0c09278ef in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#106 0x00007fa0c08cc9ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#107 0x00007fa0c08d5a84 in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#108 0x0000564492741cfa in  ()
#109 0x00007fa0bfee6b97 in __libc_start_main (main=0x564492741320, argc=1,
argv=0x7ffc6f34ee28, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffc6f34ee18) at ../csu/libc-start.c:310
#110 0x000056449274209a in _start ()

Reported using DrKonqi

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