https://bugs.kde.org/show_bug.cgi?id=372682

            Bug ID: 372682
           Summary: Desktop crashed.
           Product: plasmashell
           Version: 5.8.3
          Platform: Archlinux Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: matthew.marshal...@yahoo.co.uk
                CC: bhus...@gmail.com, plasma-b...@kde.org
  Target Milestone: 1.0

Application: plasmashell (5.8.3)

Qt Version: 5.7.0
Frameworks Version: 5.28.0
Operating System: Linux 4.4.31-2-MANJARO x86_64
Distribution: "Manjaro Linux"

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

Closing two Vivaldi windows and dragging a tab to a new window.

- Unusual behavior I noticed:

Plasma crashed, with the desktop and taskbar going black. On recovery icons
were missing for a while and an error window was displayed saying desktop.so
was non-functional.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe224ab07c0 (LWP 1144))]

Thread 17 (Thread 0x7fe0effff700 (LWP 27083)):
#0  0x00007fe212a474f0 in pa_fdsem_before_poll () at
/usr/lib/pulseaudio/libpulsecommon-9.0.so
#1  0x00007fe212a5f0b7 in  () at /usr/lib/pulseaudio/libpulsecommon-9.0.so
#2  0x00007fe2130cfb9c in pa_mainloop_dispatch () at /usr/lib/libpulse.so.0
#3  0x00007fe2130cff9c in pa_mainloop_iterate () at /usr/lib/libpulse.so.0
#4  0x00007fe2130d0040 in pa_mainloop_run () at /usr/lib/libpulse.so.0
#5  0x00007fe2130de069 in  () at /usr/lib/libpulse.so.0
#6  0x00007fe212a6eed8 in  () at /usr/lib/pulseaudio/libpulsecommon-9.0.so
#7  0x00007fe21d9c1454 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fe21e1c77df in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7fe1057f8700 (LWP 17691)):
#0  0x00007fe21d9c710f in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fe21e8b2c2b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fe22281e395 in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007fe22281ec8a in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fe21e8b1d78 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fe21d9c1454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fe21e1c77df in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7fe107ffd700 (LWP 13806)):
#0  0x00007fe21d9c710f in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fe21e8b2c2b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fe22281e395 in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007fe22281ec8a in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fe21e8b1d78 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fe21d9c1454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fe21e1c77df in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7fe137ffe700 (LWP 13740)):
#0  0x00007fe21d9c710f in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fe21e8b2c2b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fe22281e395 in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007fe22281ec8a in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fe21e8b1d78 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fe21d9c1454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fe21e1c77df in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7fe1431c2700 (LWP 7776)):
#0  0x00007fe21d9c710f in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fe21e8b2c2b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fe22281e395 in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007fe22281ec8a in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fe21e8b1d78 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fe21d9c1454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fe21e1c77df in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7fe143fff700 (LWP 2360)):
#0  0x00007fe21d9c710f in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fe21e8b2c2b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fe22281e395 in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007fe22281ec8a in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fe21e8b1d78 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fe21d9c1454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fe21e1c77df in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7fe148cb2700 (LWP 1548)):
#0  0x00007fe21d9c710f in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fe21e8b2c2b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fe22281e395 in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007fe22281ec8a in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fe21e8b1d78 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fe21d9c1454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fe21e1c77df in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7fe140daf700 (LWP 1547)):
#0  0x00007fe21d9c710f in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fe21e8b2c2b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fe22281e395 in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007fe22281ec8a in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fe21e8b1d78 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fe21d9c1454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fe21e1c77df in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7fe14bb23700 (LWP 1526)):
#0  0x00007fe21e1be48d in poll () at /usr/lib/libc.so.6
#1  0x00007fe219480786 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fe21948089c in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fe21eae072b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007fe21ea8a23a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fe21e8ad0f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fe14e04f0a7 in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#7  0x00007fe21e8b1d78 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fe21d9c1454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fe21e1c77df in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7fe160c83700 (LWP 1437)):
#0  0x00007fe21d9c710f in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fe21e8b2c2b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fe22281e395 in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007fe22281ec8a in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fe21e8b1d78 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fe21d9c1454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fe21e1c77df in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7fe16ae4f700 (LWP 1394)):
#0  0x00007fe21d9c710f in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fe21e8b2c2b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fe22281e395 in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007fe22281ec8a in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fe21e8b1d78 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fe21d9c1454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fe21e1c77df in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7fe16be3a700 (LWP 1367)):
#0  0x00007fe21947d77f in  () at /usr/lib/libglib-2.0.so.0
#1  0x00007fe21947fc2b in g_main_context_prepare () at
/usr/lib/libglib-2.0.so.0
#2  0x00007fe2194806ab in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fe21948089c in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#4  0x00007fe21eae072b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#5  0x00007fe21ea8a23a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#6  0x00007fe21e8ad0f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fe2227af856 in  () at /usr/lib/libQt5Quick.so.5
#8  0x00007fe21e8b1d78 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fe21d9c1454 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fe21e1c77df in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7fe1fbbdf700 (LWP 1317)):
#0  0x00007fe21d9c710f in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fe22423fac4 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007fe22423fb09 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007fe21d9c1454 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fe21e1c77df in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7fe20598a700 (LWP 1304)):
#0  0x00007fe21947d798 in  () at /usr/lib/libglib-2.0.so.0
#1  0x00007fe21947fc2b in g_main_context_prepare () at
/usr/lib/libglib-2.0.so.0
#2  0x00007fe2194806ab in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fe21948089c in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#4  0x00007fe21eae072b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#5  0x00007fe21ea8a23a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#6  0x00007fe21e8ad0f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fe221c102d5 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007fe21e8b1d78 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fe21d9c1454 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fe21e1c77df in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7fe2073ea700 (LWP 1211)):
#0  0x00007fe21e8a92e9 in QMutex::unlock() () at /usr/lib/libQt5Core.so.5
#1  0x00007fe21eadfeb1 in  () at /usr/lib/libQt5Core.so.5
#2  0x00007fe21947fc89 in g_main_context_prepare () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fe2194806ab in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fe21948089c in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#5  0x00007fe21eae072b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#6  0x00007fe21ea8a23a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#7  0x00007fe21e8ad0f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007fe221c102d5 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007fe21e8b1d78 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007fe21d9c1454 in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007fe21e1c77df in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fe20d00d700 (LWP 1178)):
#0  0x00007ffc9a2e7979 in  ()
#1  0x00007ffc9a2e7c9f in clock_gettime ()
#2  0x00007fe21e1d46b6 in clock_gettime () at /usr/lib/libc.so.6
#3  0x00007fe21e9571a1 in  () at /usr/lib/libQt5Core.so.5
#4  0x00007fe21eade3a9 in QTimerInfoList::updateCurrentTime() () at
/usr/lib/libQt5Core.so.5
#5  0x00007fe21eade955 in QTimerInfoList::timerWait(timespec&) () at
/usr/lib/libQt5Core.so.5
#6  0x00007fe21eadfcfe in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fe21947fc89 in g_main_context_prepare () at
/usr/lib/libglib-2.0.so.0
#8  0x00007fe2194806ab in  () at /usr/lib/libglib-2.0.so.0
#9  0x00007fe21948089c in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#10 0x00007fe21eae072b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#11 0x00007fe21ea8a23a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#12 0x00007fe21e8ad0f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#13 0x00007fe21f62de55 in  () at /usr/lib/libQt5DBus.so.5
#14 0x00007fe21e8b1d78 in  () at /usr/lib/libQt5Core.so.5
#15 0x00007fe21d9c1454 in start_thread () at /usr/lib/libpthread.so.0
#16 0x00007fe21e1c77df in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7fe224ab07c0 (LWP 1144)):
[KCrash Handler]
#6  0x00007fe21ea52df0 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fe21ea530d9 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fe21ea5b099 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fe21eab7659 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#10 0x00007fe21eb2f154 in QAbstractItemModel::rowsRemoved(QModelIndex const&,
int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/libQt5Core.so.5
#11 0x00007fe21ea3424b in QAbstractItemModel::endRemoveRows() () at
/usr/lib/libQt5Core.so.5
#12 0x00007fe1620f4ed6 in  () at /usr/lib/libtaskmanager.so.6
#13 0x00007fe1620f70b9 in  () at /usr/lib/libtaskmanager.so.6
#14 0x00007fe21eab7659 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#15 0x00007fe21eb2f0e4 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex
const&, int, int, QAbstractItemModel::QPrivateSignal) () at
/usr/lib/libQt5Core.so.5
#16 0x00007fe21ea33af3 in QAbstractItemModel::beginRemoveRows(QModelIndex
const&, int, int) () at /usr/lib/libQt5Core.so.5
#17 0x00007fe21ea587e5 in  () at /usr/lib/libQt5Core.so.5
#18 0x00007fe21ea589e4 in  () at /usr/lib/libQt5Core.so.5
#19 0x00007fe21ea5b078 in  () at /usr/lib/libQt5Core.so.5
#20 0x00007fe21eab7659 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#21 0x00007fe21eb2f0e4 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex
const&, int, int, QAbstractItemModel::QPrivateSignal) () at
/usr/lib/libQt5Core.so.5
#22 0x00007fe21ea33af3 in QAbstractItemModel::beginRemoveRows(QModelIndex
const&, int, int) () at /usr/lib/libQt5Core.so.5
#23 0x00007fe16391c732 in  () at /usr/lib/libKF5ItemModels.so.5
#24 0x00007fe21eab7659 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#25 0x00007fe21eb2f0e4 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex
const&, int, int, QAbstractItemModel::QPrivateSignal) () at
/usr/lib/libQt5Core.so.5
#26 0x00007fe21ea33af3 in QAbstractItemModel::beginRemoveRows(QModelIndex
const&, int, int) () at /usr/lib/libQt5Core.so.5
#27 0x00007fe21ea4dff0 in  () at /usr/lib/libQt5Core.so.5
#28 0x00007fe21eab7659 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#29 0x00007fe21eb2f0e4 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex
const&, int, int, QAbstractItemModel::QPrivateSignal) () at
/usr/lib/libQt5Core.so.5
#30 0x00007fe21ea33af3 in QAbstractItemModel::beginRemoveRows(QModelIndex
const&, int, int) () at /usr/lib/libQt5Core.so.5
#31 0x00007fe162110fa9 in
TaskManager::XWindowTasksModel::Private::removeWindow(unsigned long long) () at
/usr/lib/libtaskmanager.so.6
#32 0x00007fe21eab79ce in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#33 0x00007fe221732a52 in  () at /usr/lib/libKF5WindowSystem.so.5
#34 0x00007fe21e477ae0 in main_arena () at /usr/lib/libc.so.6
#35 0x00000000038000a7 in  ()
#36 0x0000000000000007 in  ()
#37 0x0000000000000007 in  ()
#38 0xffffffffffffffff in #39 0x0000000001f26520 in  ()
#40 0x0000000001f26520 in  ()
#41 0x0000000000000000 in  ()

Reported using DrKonqi

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