https://bugs.kde.org/show_bug.cgi?id=381974

            Bug ID: 381974
           Summary: Start menu crashed
           Product: plasmashell
           Version: 5.10.1
          Platform: Fedora RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: davidjeremia...@gmail.com
                CC: plasma-b...@kde.org
  Target Milestone: 1.0

Application: plasmashell (5.10.1)

Qt Version: 5.7.1
Frameworks Version: 5.35.0
Operating System: Linux 4.11.7-300.fc26.x86_64 x86_64
Distribution: "Fedora release 26 (Twenty Six)"

-- Information about the crash:
- What I was doing when the application crashed:
When I Minimize various windows

- Unusual behavior I noticed:
Restarted the start menu, but very strange

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f5c525614c0 (LWP 4626))]

Thread 17 (Thread 0x7f5b3b7fe700 (LWP 5610)):
#0  0x00007f5c5d80a81b in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f5c5f0e193b in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2  0x00007f5ba4b08985 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () from /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f5ba4b0c8f8 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f5ba4b07b4d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f5ba4b0c952 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f5ba4b07b4d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f5ba4b0a83b in ThreadWeaver::Thread::run() () from
/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f5c5f0e11ee in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#9  0x00007f5c5d80436d in start_thread () from /lib64/libpthread.so.0
#10 0x00007f5c5e4c8b9f in clone () from /lib64/libc.so.6

Thread 16 (Thread 0x7f5b3bfff700 (LWP 5609)):
#0  0x00007f5c5d80a81b in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f5c5f0e193b in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2  0x00007f5ba4b08985 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () from /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f5ba4b0c8f8 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f5ba4b07b4d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f5ba4b0c952 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f5ba4b07b4d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f5ba4b0a83b in ThreadWeaver::Thread::run() () from
/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f5c5f0e11ee in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#9  0x00007f5c5d80436d in start_thread () from /lib64/libpthread.so.0
#10 0x00007f5c5e4c8b9f in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x7f5b48be8700 (LWP 5608)):
#0  0x00007f5c5d80a81b in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f5c5f0e193b in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2  0x00007f5ba4b08985 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () from /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f5ba4b0c8f8 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f5ba4b07b4d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f5ba4b0c952 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f5ba4b07b4d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f5ba4b0a83b in ThreadWeaver::Thread::run() () from
/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f5c5f0e11ee in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#9  0x00007f5c5d80436d in start_thread () from /lib64/libpthread.so.0
#10 0x00007f5c5e4c8b9f in clone () from /lib64/libc.so.6

Thread 14 (Thread 0x7f5b493e9700 (LWP 5607)):
#0  0x00007f5c5d80a81b in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f5c5f0e193b in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2  0x00007f5ba4b08985 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () from /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f5ba4b0c8f8 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f5ba4b07b4d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f5ba4b0c952 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f5ba4b07b4d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f5ba4b0c952 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f5ba4b07b4d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f5ba4b0c952 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /lib64/libKF5ThreadWeaver.so.5
#10 0x00007f5ba4b07b4d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/lib64/libKF5ThreadWeaver.so.5
#11 0x00007f5ba4b0c952 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /lib64/libKF5ThreadWeaver.so.5
#12 0x00007f5ba4b07b4d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/lib64/libKF5ThreadWeaver.so.5
#13 0x00007f5ba4b0c952 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /lib64/libKF5ThreadWeaver.so.5
#14 0x00007f5ba4b07b4d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/lib64/libKF5ThreadWeaver.so.5
#15 0x00007f5ba4b0c952 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /lib64/libKF5ThreadWeaver.so.5
#16 0x00007f5ba4b07b4d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/lib64/libKF5ThreadWeaver.so.5
#17 0x00007f5ba4b0a83b in ThreadWeaver::Thread::run() () from
/lib64/libKF5ThreadWeaver.so.5
#18 0x00007f5c5f0e11ee in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#19 0x00007f5c5d80436d in start_thread () from /lib64/libpthread.so.0
#20 0x00007f5c5e4c8b9f in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x7f5b49bea700 (LWP 5606)):
#0  0x00007f5c5d80a81b in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f5c5f0e193b in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2  0x00007f5ba4b08985 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () from /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f5ba4b0c8f8 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f5ba4b07b4d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f5ba4b0c952 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f5ba4b07b4d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f5ba4b0c952 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f5ba4b07b4d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f5ba4b0a83b in ThreadWeaver::Thread::run() () from
/lib64/libKF5ThreadWeaver.so.5
#10 0x00007f5c5f0e11ee in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#11 0x00007f5c5d80436d in start_thread () from /lib64/libpthread.so.0
#12 0x00007f5c5e4c8b9f in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7f5b64f01700 (LWP 5605)):
#0  0x00007f5c5d80a81b in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f5c5f0e193b in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2  0x00007f5ba4b08985 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () from /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f5ba4b0c8f8 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f5ba4b07b4d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f5ba4b0c952 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f5ba4b07b4d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f5ba4b0a83b in ThreadWeaver::Thread::run() () from
/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f5c5f0e11ee in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#9  0x00007f5c5d80436d in start_thread () from /lib64/libpthread.so.0
#10 0x00007f5c5e4c8b9f in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7f5b65702700 (LWP 5604)):
#0  0x00007f5c5d80a81b in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f5c5f0e193b in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2  0x00007f5ba4b08985 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () from /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f5ba4b0c8f8 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f5ba4b07b4d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f5ba4b0c952 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f5ba4b07b4d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f5ba4b0a83b in ThreadWeaver::Thread::run() () from
/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f5c5f0e11ee in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#9  0x00007f5c5d80436d in start_thread () from /lib64/libpthread.so.0
#10 0x00007f5c5e4c8b9f in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7f5b4a7fc700 (LWP 5603)):
#0  0x00007f5c5d80a81b in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f5c5f0e193b in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2  0x00007f5ba4b08985 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () from /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f5ba4b0c8f8 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f5ba4b07b4d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f5ba4b0c952 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f5ba4b07b4d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f5ba4b0a83b in ThreadWeaver::Thread::run() () from
/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f5c5f0e11ee in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#9  0x00007f5c5d80436d in start_thread () from /lib64/libpthread.so.0
#10 0x00007f5c5e4c8b9f in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7f5b4b7fe700 (LWP 5599)):
#0  0x00007f5c5d806d93 in pthread_mutex_lock () from /lib64/libpthread.so.0
#1  0x00007f5c53fb61ee in pa_mutex_lock () from
/usr/lib64/pulseaudio/libpulsecommon-10.0.so
#2  0x00007f5c5441eb7b in poll_func () from /lib64/libpulse.so.0
#3  0x00007f5c54410530 in pa_mainloop_poll () from /lib64/libpulse.so.0
#4  0x00007f5c54410bc0 in pa_mainloop_iterate () from /lib64/libpulse.so.0
#5  0x00007f5c54410c50 in pa_mainloop_run () from /lib64/libpulse.so.0
#6  0x00007f5c5441eab9 in thread () from /lib64/libpulse.so.0
#7  0x00007f5c53fb7078 in internal_thread_func () from
/usr/lib64/pulseaudio/libpulsecommon-10.0.so
#8  0x00007f5c5d80436d in start_thread () from /lib64/libpthread.so.0
#9  0x00007f5c5e4c8b9f in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f5b9661c700 (LWP 5182)):
#0  0x00007f5c5e4bcaad in poll () from /lib64/libc.so.6
#1  0x00007f5c57211569 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#2  0x00007f5c5721167c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3  0x00007f5c5f2d7d0b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#4  0x00007f5c5f287b8a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#5  0x00007f5c5f0dcefa in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f5b98f82497 in KCupsConnection::run() () from /lib64/libkcupslib.so
#7  0x00007f5c5f0e11ee in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#8  0x00007f5c5d80436d in start_thread () from /lib64/libpthread.so.0
#9  0x00007f5c5e4c8b9f in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f5ba7be3700 (LWP 5092)):
#0  0x00007f5c5f2d63a1 in QTimerInfoList::updateCurrentTime() () from
/lib64/libQt5Core.so.5
#1  0x00007f5c5f2d67b5 in QTimerInfoList::timerWait(timespec&) () from
/lib64/libQt5Core.so.5
#2  0x00007f5c5f2d79ac in timerSourcePrepareHelper(GTimerSource*, int*) () from
/lib64/libQt5Core.so.5
#3  0x00007f5c5f2d7a4e in timerSourcePrepare(_GSource*, int*) () from
/lib64/libQt5Core.so.5
#4  0x00007f5c57210ac9 in g_main_context_prepare () from
/lib64/libglib-2.0.so.0
#5  0x00007f5c5721149b in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#6  0x00007f5c5721167c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#7  0x00007f5c5f2d7d0b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#8  0x00007f5c5f287b8a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#9  0x00007f5c5f0dcefa in QThread::exec() () from /lib64/libQt5Core.so.5
#10 0x00007f5c62ce9ff6 in QQuickPixmapReader::run() () from
/lib64/libQt5Quick.so.5
#11 0x00007f5c5f0e11ee in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#12 0x00007f5c5d80436d in start_thread () from /lib64/libpthread.so.0
#13 0x00007f5c5e4c8b9f in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f5c357ec700 (LWP 4965)):
#0  0x00007f5c5d80a81b in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f5c64dbc534 in QTWTF::TCMalloc_PageHeap::scavengerThread() () from
/lib64/libQt5Script.so.5
#2  0x00007f5c64dbc579 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*)
() from /lib64/libQt5Script.so.5
#3  0x00007f5c5d80436d in start_thread () from /lib64/libpthread.so.0
#4  0x00007f5c5e4c8b9f in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f5c375c6700 (LWP 4937)):
#0  0x00007f5c65341043 in _dl_update_slotinfo () from
/lib64/ld-linux-x86-64.so.2
#1  0x00007f5c6534130c in update_get_addr () from /lib64/ld-linux-x86-64.so.2
#2  0x00007f5c5f0e0186 in QThreadData::current(bool) () from
/lib64/libQt5Core.so.5
#3  0x00007f5c5f2d7bba in postEventSourcePrepare(_GSource*, int*) () from
/lib64/libQt5Core.so.5
#4  0x00007f5c57210ac9 in g_main_context_prepare () from
/lib64/libglib-2.0.so.0
#5  0x00007f5c5721149b in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#6  0x00007f5c5721167c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#7  0x00007f5c5f2d7d0b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#8  0x00007f5c5f287b8a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#9  0x00007f5c5f0dcefa in QThread::exec() () from /lib64/libQt5Core.so.5
#10 0x00007f5c623629b5 in QQmlThreadPrivate::run() () from
/lib64/libQt5Qml.so.5
#11 0x00007f5c5f0e11ee in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#12 0x00007f5c5d80436d in start_thread () from /lib64/libpthread.so.0
#13 0x00007f5c5e4c8b9f in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f5c44fe8700 (LWP 4876)):
#0  0x00007f5c5e4bcaad in poll () from /lib64/libc.so.6
#1  0x00007f5c57211569 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#2  0x00007f5c5721167c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3  0x00007f5c5f2d7d0b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#4  0x00007f5c5f287b8a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#5  0x00007f5c5f0dcefa in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f5c623629b5 in QQmlThreadPrivate::run() () from
/lib64/libQt5Qml.so.5
#7  0x00007f5c5f0e11ee in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#8  0x00007f5c5d80436d in start_thread () from /lib64/libpthread.so.0
#9  0x00007f5c5e4c8b9f in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f5c46a2e700 (LWP 4679)):
#0  0x00007f5c5f2d7a5e in timerSourcePrepare(_GSource*, int*) () from
/lib64/libQt5Core.so.5
#1  0x00007f5c57210ac9 in g_main_context_prepare () from
/lib64/libglib-2.0.so.0
#2  0x00007f5c5721149b in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#3  0x00007f5c5721167c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#4  0x00007f5c5f2d7d0b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#5  0x00007f5c5f287b8a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#6  0x00007f5c5f0dcefa in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007f5c5f4e2709 in QDBusConnectionManager::run() () from
/lib64/libQt5DBus.so.5
#8  0x00007f5c5f0e11ee in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#9  0x00007f5c5d80436d in start_thread () from /lib64/libpthread.so.0
#10 0x00007f5c5e4c8b9f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f5c48268700 (LWP 4638)):
#0  0x00007f5c5e4bcaad in poll () from /lib64/libc.so.6
#1  0x00007f5c636b8c97 in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x00007f5c636baa8a in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x00007f5c4b8c1b99 in QXcbEventReader::run() () from
/lib64/libQt5XcbQpa.so.5
#4  0x00007f5c5f0e11ee in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5  0x00007f5c5d80436d in start_thread () from /lib64/libpthread.so.0
#6  0x00007f5c5e4c8b9f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f5c525614c0 (LWP 4626)):
[KCrash Handler]
#6  0x00007f5c5f2550cb in
QSortFilterProxyModelPrivate::updateChildrenMapping(QModelIndex const&,
QSortFilterProxyModelPrivate::Mapping*, Qt::Orientation, int, int, int, bool)
() from /lib64/libQt5Core.so.5
#7  0x00007f5c5f25554e in
QSortFilterProxyModelPrivate::source_items_removed(QModelIndex const&, int,
int, Qt::Orientation) [clone .part.94] () from /lib64/libQt5Core.so.5
#8  0x00007f5c5f25ae79 in QSortFilterProxyModel::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) () from /lib64/libQt5Core.so.5
#9  0x00007f5c5f2b0383 in QMetaObject::activate(QObject*, int, int, void**) ()
from /lib64/libQt5Core.so.5
#10 0x00007f5c5f31e574 in QAbstractItemModel::rowsRemoved(QModelIndex const&,
int, int, QAbstractItemModel::QPrivateSignal) () from /lib64/libQt5Core.so.5
#11 0x00007f5c5f23856b in QAbstractItemModel::endRemoveRows() () from
/lib64/libQt5Core.so.5
#12 0x00007f5ba4241426 in
TaskManager::TaskGroupingProxyModel::Private::sourceRowsAboutToBeRemoved(QModelIndex
const&, int, int) () from /lib64/libtaskmanager.so.6
#13 0x00007f5ba42441b9 in
TaskManager::TaskGroupingProxyModel::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) () from /lib64/libtaskmanager.so.6
#14 0x00007f5c5f2b0383 in QMetaObject::activate(QObject*, int, int, void**) ()
from /lib64/libQt5Core.so.5
#15 0x00007f5c5f31e504 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex
const&, int, int, QAbstractItemModel::QPrivateSignal) () from
/lib64/libQt5Core.so.5
#16 0x00007f5c5f237e4b in QAbstractItemModel::beginRemoveRows(QModelIndex
const&, int, int) () from /lib64/libQt5Core.so.5
#17 0x00007f5c5f253dc5 in
QSortFilterProxyModelPrivate::remove_proxy_interval(QVector<int>&,
QVector<int>&, int, int, QModelIndex const&, Qt::Orientation, bool) () from
/lib64/libQt5Core.so.5
#18 0x00007f5c5f258977 in
QSortFilterProxyModelPrivate::remove_source_items(QVector<int>&, QVector<int>&,
QVector<int> const&, QModelIndex const&, Qt::Orientation, bool) () from
/lib64/libQt5Core.so.5
#19 0x00007f5c5f258bb3 in
QSortFilterProxyModelPrivate::source_items_about_to_be_removed(QModelIndex
const&, int, int, Qt::Orientation) () from /lib64/libQt5Core.so.5
#20 0x00007f5c5f25ae58 in QSortFilterProxyModel::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) () from /lib64/libQt5Core.so.5
#21 0x00007f5c5f2b0383 in QMetaObject::activate(QObject*, int, int, void**) ()
from /lib64/libQt5Core.so.5
#22 0x00007f5c5f31e504 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex
const&, int, int, QAbstractItemModel::QPrivateSignal) () from
/lib64/libQt5Core.so.5
#23 0x00007f5c5f237e4b in QAbstractItemModel::beginRemoveRows(QModelIndex
const&, int, int) () from /lib64/libQt5Core.so.5
#24 0x00007f5ba5f254ef in
KConcatenateRowsProxyModelPrivate::slotRowsAboutToBeRemoved(QModelIndex const&,
int, int) () from /lib64/libKF5ItemModels.so.5
#25 0x00007f5ba5f25ea1 in
KConcatenateRowsProxyModel::qt_static_metacall(QObject*, QMetaObject::Call,
int, void**) () from /lib64/libKF5ItemModels.so.5
#26 0x00007f5c5f2b0383 in QMetaObject::activate(QObject*, int, int, void**) ()
from /lib64/libQt5Core.so.5
#27 0x00007f5c5f31e504 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex
const&, int, int, QAbstractItemModel::QPrivateSignal) () from
/lib64/libQt5Core.so.5
#28 0x00007f5c5f237e4b in QAbstractItemModel::beginRemoveRows(QModelIndex
const&, int, int) () from /lib64/libQt5Core.so.5
#29 0x00007f5c5f24f987 in
QIdentityProxyModelPrivate::_q_sourceRowsAboutToBeRemoved(QModelIndex const&,
int, int) () from /lib64/libQt5Core.so.5
#30 0x00007f5c5f250429 in QIdentityProxyModel::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) () from /lib64/libQt5Core.so.5
#31 0x00007f5c5f2b0383 in QMetaObject::activate(QObject*, int, int, void**) ()
from /lib64/libQt5Core.so.5
#32 0x00007f5c5f31e504 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex
const&, int, int, QAbstractItemModel::QPrivateSignal) () from
/lib64/libQt5Core.so.5
#33 0x00007f5c5f237e4b in QAbstractItemModel::beginRemoveRows(QModelIndex
const&, int, int) () from /lib64/libQt5Core.so.5
#34 0x00007f5ba425c21e in
TaskManager::XWindowTasksModel::Private::removeWindow(unsigned long long) ()
from /lib64/libtaskmanager.so.6
#35 0x00007f5c5f2b04b7 in QMetaObject::activate(QObject*, int, int, void**) ()
from /lib64/libQt5Core.so.5
#36 0x00007f5c61b076f2 in KWindowSystem::windowRemoved(unsigned long long) ()
from /lib64/libKF5WindowSystem.so.5
#37 0x00007f5c454077f9 in NETEventFilter::removeClient(unsigned int) () from
/usr/lib64/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#38 0x00007f5c61afff2c in NETRootInfo::update(QFlags<NET::Property>,
QFlags<NET::Property2>) () from /lib64/libKF5WindowSystem.so.5
#39 0x00007f5c61b00c62 in NETRootInfo::event(xcb_generic_event_t*,
QFlags<NET::Property>*, QFlags<NET::Property2>*) () from
/lib64/libKF5WindowSystem.so.5
#40 0x00007f5c61b00fc5 in NETRootInfo::event(xcb_generic_event_t*, unsigned
long*, int) () from /lib64/libKF5WindowSystem.so.5
#41 0x00007f5c45406f3d in
NETEventFilter::nativeEventFilter(xcb_generic_event_t*) () from
/usr/lib64/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#42 0x00007f5c5f286be4 in
QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) ()
from /lib64/libQt5Core.so.5
#43 0x00007f5c4b8c3210 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() from /lib64/libQt5XcbQpa.so.5
#44 0x00007f5c4b8c3ea2 in QXcbConnection::processXcbEvents() () from
/lib64/libQt5XcbQpa.so.5
#45 0x00007f5c5f2b1199 in QObject::event(QEvent*) () from
/lib64/libQt5Core.so.5
#46 0x00007f5c5fb6ed9c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#47 0x00007f5c5fb763d4 in QApplication::notify(QObject*, QEvent*) () from
/lib64/libQt5Widgets.so.5
#48 0x00007f5c5f288b8b in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#49 0x00007f5c5f28ad6b in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /lib64/libQt5Core.so.5
#50 0x00007f5c5f2d7c73 in postEventSourceDispatch(_GSource*, int (*)(void*),
void*) () from /lib64/libQt5Core.so.5
#51 0x00007f5c57211247 in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#52 0x00007f5c572115e8 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#53 0x00007f5c5721167c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#54 0x00007f5c5f2d7cef in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#55 0x00007f5c5f287b8a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#56 0x00007f5c5f28f7dc in QCoreApplication::exec() () from
/lib64/libQt5Core.so.5
#57 0x000055d729e563b2 in main ()

Possible duplicates by query: bug 381800, bug 381771, bug 381454, bug 381006,
bug 380918.

Reported using DrKonqi

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