https://bugs.kde.org/show_bug.cgi?id=375746

            Bug ID: 375746
           Summary: plasmashell randomly crashes when switching
                    applications
           Product: plasmashell
           Version: 5.8.3
          Platform: openSUSE RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: sudd...@gmx.at
                CC: bhus...@gmail.com, plasma-b...@kde.org
  Target Milestone: 1.0

Application: plasmashell (5.8.3)

Qt Version: 5.6.1
Frameworks Version: 5.26.0
Operating System: Linux 4.9.5-1.g699d1c6-default x86_64
Distribution: "openSUSE Leap 42.2"

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

Selected one of the okular instances which where grouped together in the
taskbar.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f355c63b900 (LWP 6820))]

Thread 15 (Thread 0x7f3495cb3700 (LWP 20272)):
#0  0x00007f35555880af in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f355646f65b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007f34aeb5c42f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f34aeb5fdea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f34aeb5a45b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f34aeb5fe32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f34aeb5a45b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f34aeb5fe32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f34aeb5a45b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f34aeb5fe32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#10 0x00007f34aeb5a45b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#11 0x00007f34aeb5fe32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#12 0x00007f34aeb5a45b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#13 0x00007f34aeb5da46 in ThreadWeaver::Thread::run() () at
/usr/lib64/libKF5ThreadWeaver.so.5
#14 0x00007f355646e9e9 in  () at /usr/lib64/libQt5Core.so.5
#15 0x00007f3555583734 in start_thread () at /lib64/libpthread.so.0
#16 0x00007f3555d82d3d in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7f34964b4700 (LWP 20271)):
#0  0x00007f35555880af in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f355646f65b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007f34aeb5c42f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f34aeb5fdea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f34aeb5a45b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f34aeb5fe32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f34aeb5a45b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f34aeb5da46 in ThreadWeaver::Thread::run() () at
/usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f355646e9e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f3555583734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f3555d82d3d in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7f3496cb5700 (LWP 20270)):
#0  0x00007f35555880af in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f355646f65b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007f34aeb5c42f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f34aeb5fdea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f34aeb5a45b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f34aeb5fe32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f34aeb5a45b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f34aeb5fe32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f34aeb5a45b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f34aeb5fe32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#10 0x00007f34aeb5a45b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#11 0x00007f34aeb5da46 in ThreadWeaver::Thread::run() () at
/usr/lib64/libKF5ThreadWeaver.so.5
#12 0x00007f355646e9e9 in  () at /usr/lib64/libQt5Core.so.5
#13 0x00007f3555583734 in start_thread () at /lib64/libpthread.so.0
#14 0x00007f3555d82d3d in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7f34974b6700 (LWP 20269)):
#0  0x00007f35555880af in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f355646f65b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007f34aeb5c42f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f34aeb5fdea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f34aeb5a45b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f34aeb5da46 in ThreadWeaver::Thread::run() () at
/usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f355646e9e9 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f3555583734 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3555d82d3d in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7f3497cb7700 (LWP 20268)):
#0  0x00007f35555880af in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f355646f65b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007f34aeb5c42f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f34aeb5fdea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f34aeb5a45b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f34aeb5fe32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f34aeb5a45b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f34aeb5da46 in ThreadWeaver::Thread::run() () at
/usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f355646e9e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f3555583734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f3555d82d3d in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7f34984b8700 (LWP 20267)):
#0  0x00007f35555880af in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f355646f65b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007f34aeb5c42f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f34aeb5fdea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f34aeb5a45b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f34aeb5da46 in ThreadWeaver::Thread::run() () at
/usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f355646e9e9 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f3555583734 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3555d82d3d in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f3498cb9700 (LWP 20266)):
#0  0x00007f35555880af in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f355646f65b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007f34aeb5c42f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f34aeb5fdea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f34aeb5a45b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f34aeb5fe32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f34aeb5a45b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f34aeb5da46 in ThreadWeaver::Thread::run() () at
/usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f355646e9e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f3555583734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f3555d82d3d in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f349b325700 (LWP 20265)):
#0  0x00007f35555880af in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f355646f65b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007f34aeb5c42f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f34aeb5fdea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f34aeb5a45b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f34aeb5fe32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f34aeb5a45b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f34aeb5fe32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f34aeb5a45b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f34aeb5fe32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#10 0x00007f34aeb5a45b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#11 0x00007f34aeb5fe32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#12 0x00007f34aeb5a45b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#13 0x00007f34aeb5da46 in ThreadWeaver::Thread::run() () at
/usr/lib64/libKF5ThreadWeaver.so.5
#14 0x00007f355646e9e9 in  () at /usr/lib64/libQt5Core.so.5
#15 0x00007f3555583734 in start_thread () at /lib64/libpthread.so.0
#16 0x00007f3555d82d3d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f34aa0b2700 (LWP 6836)):
#0  0x00007f3555d7a49d in poll () at /lib64/libc.so.6
#1  0x00007f3552442314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f355244242c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f355668132b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007f355662efdb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007f3556469f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f34ab4da8f7 in KCupsConnection::run() () at
/usr/lib64/libkcupslib.so
#7  0x00007f355646e9e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f3555583734 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f3555d82d3d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f34b40e3700 (LWP 6829)):
#0  0x00007f35524837b9 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f3552441969 in g_main_context_prepare () at
/usr/lib64/libglib-2.0.so.0
#2  0x00007f3552442230 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f355244242c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#4  0x00007f355668132b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#5  0x00007f355662efdb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#6  0x00007f3556469f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f355a2f8632 in  () at /usr/lib64/libQt5Quick.so.5
#8  0x00007f355646e9e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f3555583734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f3555d82d3d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f353eceb700 (LWP 6827)):
#0  0x00007f35555880af in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f355bd3193b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f355bd31969 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f3555583734 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f3555d82d3d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f3540a44700 (LWP 6826)):
#0  0x00007f3555d7a49d in poll () at /lib64/libc.so.6
#1  0x00007f3552442314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f355244242c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f355668132b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007f355662efdb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007f3556469f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f35597759c8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f355646e9e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f3555583734 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f3555d82d3d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f3542504700 (LWP 6824)):
#0  0x00007f3555d7651d in read () at /lib64/libc.so.6
#1  0x00007f3552482670 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f3552441e49 in g_main_context_check () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f35524422a8 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f355244242c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#5  0x00007f355668132b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#6  0x00007f355662efdb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#7  0x00007f3556469f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007f35597759c8 in  () at /usr/lib64/libQt5Qml.so.5
#9  0x00007f355646e9e9 in  () at /usr/lib64/libQt5Core.so.5
#10 0x00007f3555583734 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f3555d82d3d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f3543f4b700 (LWP 6823)):
#0  0x00007f35524422c6 in  () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f355244242c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#2  0x00007f355668132b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#3  0x00007f355662efdb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#4  0x00007f3556469f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#5  0x00007f35571ea1d5 in  () at /usr/lib64/libQt5DBus.so.5
#6  0x00007f355646e9e9 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f3555583734 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3555d82d3d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f355c63b900 (LWP 6820)):
[KCrash Handler]
#6  0x00007f35565fc1b0 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f35565fc48f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f3556603329 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f355665abb1 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib64/libQt5Core.so.5
#10 0x00007f35566d1274 in QAbstractItemModel::rowsRemoved(QModelIndex const&,
int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#11 0x00007f35565dfb21 in QAbstractItemModel::endRemoveRows() () at
/usr/lib64/libQt5Core.so.5
#12 0x00007f34ae226fff in
TaskManager::TaskGroupingProxyModel::Private::sourceRowsAboutToBeRemoved(QModelIndex
const&, int, int) () at /usr/lib64/libtaskmanager.so.6
#13 0x00007f34ae229b69 in  () at /usr/lib64/libtaskmanager.so.6
#14 0x00007f355665abb1 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib64/libQt5Core.so.5
#15 0x00007f35566d1224 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex
const&, int, int, QAbstractItemModel::QPrivateSignal) () at
/usr/lib64/libQt5Core.so.5
#16 0x00007f35565df2a4 in QAbstractItemModel::beginRemoveRows(QModelIndex
const&, int, int) () at /usr/lib64/libQt5Core.so.5
#17 0x00007f35565fde0d in  () at /usr/lib64/libQt5Core.so.5
#18 0x00007f35565fdfbd in  () at /usr/lib64/libQt5Core.so.5
#19 0x00007f3556603308 in  () at /usr/lib64/libQt5Core.so.5
#20 0x00007f355665abb1 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib64/libQt5Core.so.5
#21 0x00007f35566d1224 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex
const&, int, int, QAbstractItemModel::QPrivateSignal) () at
/usr/lib64/libQt5Core.so.5
#22 0x00007f35565df2a4 in QAbstractItemModel::beginRemoveRows(QModelIndex
const&, int, int) () at /usr/lib64/libQt5Core.so.5
#23 0x00007f34afcbded5 in  () at /usr/lib64/libKF5ItemModels.so.5
#24 0x00007f34afcbebb9 in  () at /usr/lib64/libKF5ItemModels.so.5
#25 0x00007f355665abb1 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib64/libQt5Core.so.5
#26 0x00007f35566d1224 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex
const&, int, int, QAbstractItemModel::QPrivateSignal) () at
/usr/lib64/libQt5Core.so.5
#27 0x00007f35565df2a4 in QAbstractItemModel::beginRemoveRows(QModelIndex
const&, int, int) () at /usr/lib64/libQt5Core.so.5
#28 0x00007f35565f72af in  () at /usr/lib64/libQt5Core.so.5
#29 0x00007f355665abb1 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib64/libQt5Core.so.5
#30 0x00007f35566d1224 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex
const&, int, int, QAbstractItemModel::QPrivateSignal) () at
/usr/lib64/libQt5Core.so.5
#31 0x00007f35565df2a4 in QAbstractItemModel::beginRemoveRows(QModelIndex
const&, int, int) () at /usr/lib64/libQt5Core.so.5
#32 0x00007f34ae240cd3 in
TaskManager::XWindowTasksModel::Private::removeWindow(unsigned long long) () at
/usr/lib64/libtaskmanager.so.6
#33 0x00007f355665b1c3 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib64/libQt5Core.so.5
#34 0x00007f3559292302 in KWindowSystem::windowRemoved(unsigned long long) ()
at /usr/lib64/libKF5WindowSystem.so.5
#35 0x00007f3542925935 in  () at
/usr/lib64/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#36 0x00007f355928aca1 in NETRootInfo::update(QFlags<NET::Property>,
QFlags<NET::Property2>) () at /usr/lib64/libKF5WindowSystem.so.5
#37 0x00007f355928bb72 in NETRootInfo::event(xcb_generic_event_t*,
QFlags<NET::Property>*, QFlags<NET::Property2>*) () at
/usr/lib64/libKF5WindowSystem.so.5
#38 0x00007f355928bda2 in NETRootInfo::event(xcb_generic_event_t*, unsigned
long*, int) () at /usr/lib64/libKF5WindowSystem.so.5
#39 0x00007f3542925306 in  () at
/usr/lib64/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#40 0x00007f355662e270 in
QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) ()
at /usr/lib64/libQt5Core.so.5
#41 0x00007f3547ea5be4 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() at /usr/lib64/libQt5XcbQpa.so.5
#42 0x00007f3547ea7c3b in QXcbConnection::processXcbEvents() () at
/usr/lib64/libQt5XcbQpa.so.5
#43 0x00007f355665c166 in QObject::event(QEvent*) () at
/usr/lib64/libQt5Core.so.5
#44 0x00007f35575b8e3c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQt5Widgets.so.5
#45 0x00007f35575bd49a in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#46 0x00007f3556630fc5 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib64/libQt5Core.so.5
#47 0x00007f3556632daa in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#48 0x00007f3556681c83 in  () at /usr/lib64/libQt5Core.so.5
#49 0x00007f3552442134 in g_main_context_dispatch () at
/usr/lib64/libglib-2.0.so.0
#50 0x00007f3552442388 in  () at /usr/lib64/libglib-2.0.so.0
#51 0x00007f355244242c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#52 0x00007f355668130c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#53 0x00007f355662efdb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#54 0x00007f3556636ec6 in QCoreApplication::exec() () at
/usr/lib64/libQt5Core.so.5
#55 0x000000000041eacf in  ()
#56 0x00007f3555cb96e5 in __libc_start_main () at /lib64/libc.so.6
#57 0x000000000041ed39 in _start ()

Reported using DrKonqi

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