https://bugs.kde.org/show_bug.cgi?id=375393

            Bug ID: 375393
           Summary: Plasma crashed after closing multiple windows
           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: s.heimb...@explosive-software.de
                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 4.4.36-8-default x86_64
Distribution: "openSUSE Leap 42.2"

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

I quickly closed several windows with the "Close-Button" in the window top.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fdbbd842900 (LWP 1651))]

Thread 22 (Thread 0x7fdad7d3d700 (LWP 8003)):
#0  0x00007fdbb67990af in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007fdbb768065b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007fdaf9e0242f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007fdaf9e05dea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007fdaf9e0045b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007fdaf9e05e32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007fdaf9e0045b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007fdaf9e05e32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007fdaf9e0045b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007fdaf9e05e32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#10 0x00007fdaf9e0045b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#11 0x00007fdaf9e05e32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#12 0x00007fdaf9e0045b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#13 0x00007fdaf9e05e32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#14 0x00007fdaf9e0045b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#15 0x00007fdaf9e05e32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#16 0x00007fdaf9e0045b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#17 0x00007fdaf9e03a46 in ThreadWeaver::Thread::run() () at
/usr/lib64/libKF5ThreadWeaver.so.5
#18 0x00007fdbb767f9e9 in  () at /usr/lib64/libQt5Core.so.5
#19 0x00007fdbb6794734 in start_thread () at /lib64/libpthread.so.0
#20 0x00007fdbb6f93d3d in clone () at /lib64/libc.so.6

Thread 21 (Thread 0x7fdad853e700 (LWP 8002)):
#0  0x00007fdbb67990af in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007fdbb768065b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007fdaf9e0242f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007fdaf9e05dea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007fdaf9e0045b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007fdaf9e05e32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007fdaf9e0045b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007fdaf9e03a46 in ThreadWeaver::Thread::run() () at
/usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007fdbb767f9e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fdbb6794734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fdbb6f93d3d in clone () at /lib64/libc.so.6

Thread 20 (Thread 0x7fdad8d3f700 (LWP 8001)):
#0  0x00007fdbb67990af in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007fdbb768065b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007fdaf9e0242f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007fdaf9e05dea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007fdaf9e0045b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007fdaf9e05e32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007fdaf9e0045b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007fdaf9e03a46 in ThreadWeaver::Thread::run() () at
/usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007fdbb767f9e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fdbb6794734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fdbb6f93d3d in clone () at /lib64/libc.so.6

Thread 19 (Thread 0x7fdad9540700 (LWP 8000)):
#0  0x00007fdbb67990af in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007fdbb768065b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007fdaf9e0242f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007fdaf9e05dea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007fdaf9e0045b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007fdaf9e05e32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007fdaf9e0045b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007fdaf9e03a46 in ThreadWeaver::Thread::run() () at
/usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007fdbb767f9e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fdbb6794734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fdbb6f93d3d in clone () at /lib64/libc.so.6

Thread 18 (Thread 0x7fdad9d41700 (LWP 7999)):
#0  0x00007fdbb67990af in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007fdbb768065b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007fdaf9e0242f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007fdaf9e05dea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007fdaf9e0045b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007fdaf9e05e32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007fdaf9e0045b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007fdaf9e03a46 in ThreadWeaver::Thread::run() () at
/usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007fdbb767f9e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fdbb6794734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fdbb6f93d3d in clone () at /lib64/libc.so.6

Thread 17 (Thread 0x7fdada542700 (LWP 7998)):
#0  0x00007fdbb67990af in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007fdbb768065b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007fdaf9e0242f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007fdaf9e05dea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007fdaf9e0045b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007fdaf9e05e32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007fdaf9e0045b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007fdaf9e03a46 in ThreadWeaver::Thread::run() () at
/usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007fdbb767f9e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fdbb6794734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fdbb6f93d3d in clone () at /lib64/libc.so.6

Thread 16 (Thread 0x7fdadad43700 (LWP 7997)):
#0  0x00007fdbb67990af in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007fdbb768065b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007fdaf9e0242f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007fdaf9e05dea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007fdaf9e0045b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007fdaf9e05e32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007fdaf9e0045b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007fdaf9e05e32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007fdaf9e0045b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007fdaf9e05e32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#10 0x00007fdaf9e0045b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#11 0x00007fdaf9e05e32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#12 0x00007fdaf9e0045b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#13 0x00007fdaf9e05e32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#14 0x00007fdaf9e0045b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#15 0x00007fdaf9e03a46 in ThreadWeaver::Thread::run() () at
/usr/lib64/libKF5ThreadWeaver.so.5
#16 0x00007fdbb767f9e9 in  () at /usr/lib64/libQt5Core.so.5
#17 0x00007fdbb6794734 in start_thread () at /lib64/libpthread.so.0
#18 0x00007fdbb6f93d3d in clone () at /lib64/libc.so.6

Thread 15 (Thread 0x7fdadcfae700 (LWP 7996)):
#0  0x00007fdbb67990af in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007fdbb768065b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007fdaf9e0242f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007fdaf9e05dea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007fdaf9e0045b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007fdaf9e05e32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007fdaf9e0045b in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007fdaf9e03a46 in ThreadWeaver::Thread::run() () at
/usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007fdbb767f9e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fdbb6794734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fdbb6f93d3d in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7fdae17e0700 (LWP 4978)):
#0  0x00007fdbb6f8751d in read () at /lib64/libc.so.6
#1  0x00007fdbac587931 in pa_read () at
/usr/lib64/pulseaudio/libpulsecommon-9.0.so
#2  0x00007fdbacc103be in pa_mainloop_prepare () at /usr/lib64/libpulse.so.0
#3  0x00007fdbacc10dd2 in pa_mainloop_iterate () at /usr/lib64/libpulse.so.0
#4  0x00007fdbacc10e90 in pa_mainloop_run () at /usr/lib64/libpulse.so.0
#5  0x00007fdbacc1f006 in  () at /usr/lib64/libpulse.so.0
#6  0x00007fdbac5b6408 in  () at /usr/lib64/pulseaudio/libpulsecommon-9.0.so
#7  0x00007fdbb6794734 in start_thread () at /lib64/libpthread.so.0
#8  0x00007fdbb6f93d3d in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7fdae76f6700 (LWP 4977)):
#0  0x00007fdbb789098d in QTimerInfoList::updateCurrentTime() () at
/usr/lib64/libQt5Core.so.5
#1  0x00007fdbb7890f05 in QTimerInfoList::timerWait(timespec&) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007fdbb78920fe in  () at /usr/lib64/libQt5Core.so.5
#3  0x00007fdbb365295d in g_main_context_prepare () at
/usr/lib64/libglib-2.0.so.0
#4  0x00007fdbb3653230 in  () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fdbb365342c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#6  0x00007fdbb789232b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#7  0x00007fdbb783ffdb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#8  0x00007fdbb767af1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#9  0x00007fdbba9869b8 in  () at /usr/lib64/libQt5Qml.so.5
#10 0x00007fdbb767f9e9 in  () at /usr/lib64/libQt5Core.so.5
#11 0x00007fdbb6794734 in start_thread () at /lib64/libpthread.so.0
#12 0x00007fdbb6f93d3d in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7fdaf6ca6700 (LWP 2773)):
#0  0x00007fdbb7654870 in __tls_get_addr@plt () at /usr/lib64/libQt5Core.so.5
#1  0x00007fdbb767ea06 in  () at /usr/lib64/libQt5Core.so.5
#2  0x00007fdbb7892931 in  () at /usr/lib64/libQt5Core.so.5
#3  0x00007fdbb3652da1 in g_main_context_check () at
/usr/lib64/libglib-2.0.so.0
#4  0x00007fdbb36532a8 in  () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fdbb365342c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#6  0x00007fdbb789232b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#7  0x00007fdbb783ffdb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#8  0x00007fdbb767af1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#9  0x00007fdaf80ce8f7 in KCupsConnection::run() () at
/usr/lib64/libkcupslib.so
#10 0x00007fdbb767f9e9 in  () at /usr/lib64/libQt5Core.so.5
#11 0x00007fdbb6794734 in start_thread () at /lib64/libpthread.so.0
#12 0x00007fdbb6f93d3d in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7fdafbf9c700 (LWP 2493)):
#0  0x00007fdbb6f8b49d in poll () at /lib64/libc.so.6
#1  0x00007fdbb3653314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fdbb365342c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007fdbb789232b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007fdbb783ffdb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007fdbb767af1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fdbb767f9e9 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007fdbb6794734 in start_thread () at /lib64/libpthread.so.0
#8  0x00007fdbb6f93d3d in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7fdb0ab2d700 (LWP 2491)):
#0  0x00007fdbb3653418 in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#1  0x00007fdbb789232b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#2  0x00007fdbb783ffdb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#3  0x00007fdbb767af1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#4  0x00007fdbb767f9e9 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007fdbb6794734 in start_thread () at /lib64/libpthread.so.0
#6  0x00007fdbb6f93d3d in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7fdb0bcb6700 (LWP 2481)):
#0  0x00007fdbb36947d0 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fdbb36529e8 in g_main_context_prepare () at
/usr/lib64/libglib-2.0.so.0
#2  0x00007fdbb3653230 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fdbb365342c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#4  0x00007fdbb789232b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#5  0x00007fdbb783ffdb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#6  0x00007fdbb767af1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007fdbbb509632 in  () at /usr/lib64/libQt5Quick.so.5
#8  0x00007fdbb767f9e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fdbb6794734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fdbb6f93d3d in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7fdb157f4700 (LWP 2468)):
#0  0x00007fdbb67990af in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007fdb1c94e533 in radeon_drm_cs_emit_ioctl (mtx=0x2ed8d10,
cond=<optimized out>) at ../../../../../include/c11/threads_posix.h:159
#2  0x00007fdb1c94e533 in radeon_drm_cs_emit_ioctl (sema=0x2ed8d10) at
../../../../../src/gallium/auxiliary/os/os_thread.h:259
#3  0x00007fdb1c94e533 in radeon_drm_cs_emit_ioctl
(param=param@entry=0x2ed88e0) at radeon_drm_winsys.c:688
#4  0x00007fdb1c94dd57 in impl_thrd_routine (p=<optimized out>) at
../../../../../include/c11/threads_posix.h:87
#5  0x00007fdbb6794734 in start_thread () at /lib64/libpthread.so.0
#6  0x00007fdbb6f93d3d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7fdb9e0e2700 (LWP 2460)):
#0  0x00007fdbb67990af in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007fdbbcf4293b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007fdbbcf42969 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007fdbb6794734 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fdbb6f93d3d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7fdb9f385700 (LWP 2431)):
#0  0x00007fdbb6f8b49d in poll () at /lib64/libc.so.6
#1  0x00007fdbb3653314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fdbb365342c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007fdbb789232b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007fdbb783ffdb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007fdbb767af1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fdbb767f9e9 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007fdbb6794734 in start_thread () at /lib64/libpthread.so.0
#8  0x00007fdbb6f93d3d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7fdba1c6d700 (LWP 1995)):
#0  0x00007fdbb789297c in  () at /usr/lib64/libQt5Core.so.5
#1  0x00007fdbb3652da1 in g_main_context_check () at
/usr/lib64/libglib-2.0.so.0
#2  0x00007fdbb36532a8 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fdbb365342c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#4  0x00007fdbb789232b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#5  0x00007fdbb783ffdb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#6  0x00007fdbb767af1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007fdbba9869b8 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x00007fdbb767f9e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fdbb6794734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fdbb6f93d3d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fdba370b700 (LWP 1770)):
#0  0x00007fdbb36947b9 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fdbb3652969 in g_main_context_prepare () at
/usr/lib64/libglib-2.0.so.0
#2  0x00007fdbb3653230 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fdbb365342c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#4  0x00007fdbb789232b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#5  0x00007fdbb783ffdb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#6  0x00007fdbb767af1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007fdbba9869b8 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x00007fdbb767f9e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fdbb6794734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fdbb6f93d3d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fdba5152700 (LWP 1725)):
#0  0x00007fdbb6f8b49d in poll () at /lib64/libc.so.6
#1  0x00007fdbb3653314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fdbb365342c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007fdbb789232b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007fdbb783ffdb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007fdbb767af1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fdbb83fb1d5 in  () at /usr/lib64/libQt5DBus.so.5
#7  0x00007fdbb767f9e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fdbb6794734 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fdbb6f93d3d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fdba6d58700 (LWP 1664)):
#0  0x00007fdbb6f8b49d in poll () at /lib64/libc.so.6
#1  0x00007fdbbbebd3e2 in  () at /usr/lib64/libxcb.so.1
#2  0x00007fdbbbebefcf in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007fdba90ae839 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007fdbb767f9e9 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007fdbb6794734 in start_thread () at /lib64/libpthread.so.0
#6  0x00007fdbb6f93d3d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fdbbd842900 (LWP 1651)):
[KCrash Handler]
#6  0x00007fdbb780d1b0 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007fdbb780d48f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fdbb7814329 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fdbb786bbb1 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib64/libQt5Core.so.5
#10 0x00007fdbb78e2274 in QAbstractItemModel::rowsRemoved(QModelIndex const&,
int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#11 0x00007fdbb77f0b21 in QAbstractItemModel::endRemoveRows() () at
/usr/lib64/libQt5Core.so.5
#12 0x00007fdb09c0dfff in
TaskManager::TaskGroupingProxyModel::Private::sourceRowsAboutToBeRemoved(QModelIndex
const&, int, int) () at /usr/lib64/libtaskmanager.so.6
#13 0x00007fdb09c10b69 in  () at /usr/lib64/libtaskmanager.so.6
#14 0x00007fdbb786bbb1 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib64/libQt5Core.so.5
#15 0x00007fdbb78e2224 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex
const&, int, int, QAbstractItemModel::QPrivateSignal) () at
/usr/lib64/libQt5Core.so.5
#16 0x00007fdbb77f02a4 in QAbstractItemModel::beginRemoveRows(QModelIndex
const&, int, int) () at /usr/lib64/libQt5Core.so.5
#17 0x00007fdbb780ee0d in  () at /usr/lib64/libQt5Core.so.5
#18 0x00007fdbb780efbd in  () at /usr/lib64/libQt5Core.so.5
#19 0x00007fdbb7814308 in  () at /usr/lib64/libQt5Core.so.5
#20 0x00007fdbb786bbb1 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib64/libQt5Core.so.5
#21 0x00007fdbb78e2224 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex
const&, int, int, QAbstractItemModel::QPrivateSignal) () at
/usr/lib64/libQt5Core.so.5
#22 0x00007fdbb77f02a4 in QAbstractItemModel::beginRemoveRows(QModelIndex
const&, int, int) () at /usr/lib64/libQt5Core.so.5
#23 0x00007fdb099a9ed5 in  () at /usr/lib64/libKF5ItemModels.so.5
#24 0x00007fdb099aabb9 in  () at /usr/lib64/libKF5ItemModels.so.5
#25 0x00007fdbb786bbb1 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib64/libQt5Core.so.5
#26 0x00007fdbb78e2224 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex
const&, int, int, QAbstractItemModel::QPrivateSignal) () at
/usr/lib64/libQt5Core.so.5
#27 0x00007fdbb77f02a4 in QAbstractItemModel::beginRemoveRows(QModelIndex
const&, int, int) () at /usr/lib64/libQt5Core.so.5
#28 0x00007fdbb78082af in  () at /usr/lib64/libQt5Core.so.5
#29 0x00007fdbb786bbb1 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib64/libQt5Core.so.5
#30 0x00007fdbb78e2224 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex
const&, int, int, QAbstractItemModel::QPrivateSignal) () at
/usr/lib64/libQt5Core.so.5
#31 0x00007fdbb77f02a4 in QAbstractItemModel::beginRemoveRows(QModelIndex
const&, int, int) () at /usr/lib64/libQt5Core.so.5
#32 0x00007fdb09c27cd3 in
TaskManager::XWindowTasksModel::Private::removeWindow(unsigned long long) () at
/usr/lib64/libtaskmanager.so.6
#33 0x00007fdbb786c1c3 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib64/libQt5Core.so.5
#34 0x00007fdbba4a3302 in KWindowSystem::windowRemoved(unsigned long long) ()
at /usr/lib64/libKF5WindowSystem.so.5
#35 0x00007fdba3b2c935 in  () at
/usr/lib64/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#36 0x00007fdbba49bca1 in NETRootInfo::update(QFlags<NET::Property>,
QFlags<NET::Property2>) () at /usr/lib64/libKF5WindowSystem.so.5
#37 0x00007fdbba49cb72 in NETRootInfo::event(xcb_generic_event_t*,
QFlags<NET::Property>*, QFlags<NET::Property2>*) () at
/usr/lib64/libKF5WindowSystem.so.5
#38 0x00007fdbba49cda2 in NETRootInfo::event(xcb_generic_event_t*, unsigned
long*, int) () at /usr/lib64/libKF5WindowSystem.so.5
#39 0x00007fdba3b2c306 in  () at
/usr/lib64/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#40 0x00007fdbb783f270 in
QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) ()
at /usr/lib64/libQt5Core.so.5
#41 0x00007fdba90acbe4 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() at /usr/lib64/libQt5XcbQpa.so.5
#42 0x00007fdba90aec3b in QXcbConnection::processXcbEvents() () at
/usr/lib64/libQt5XcbQpa.so.5
#43 0x00007fdbb786d166 in QObject::event(QEvent*) () at
/usr/lib64/libQt5Core.so.5
#44 0x00007fdbb87c9e3c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQt5Widgets.so.5
#45 0x00007fdbb87ce49a in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#46 0x00007fdbb7841fc5 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib64/libQt5Core.so.5
#47 0x00007fdbb7843daa in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#48 0x00007fdbb7892c83 in  () at /usr/lib64/libQt5Core.so.5
#49 0x00007fdbb3653134 in g_main_context_dispatch () at
/usr/lib64/libglib-2.0.so.0
#50 0x00007fdbb3653388 in  () at /usr/lib64/libglib-2.0.so.0
#51 0x00007fdbb365342c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#52 0x00007fdbb789232b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#53 0x00007fdbb783ffdb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#54 0x00007fdbb7847ec6 in QCoreApplication::exec() () at
/usr/lib64/libQt5Core.so.5
#55 0x000000000041eacf in  ()
#56 0x00007fdbb6eca6e5 in __libc_start_main () at /lib64/libc.so.6
#57 0x000000000041ed39 in _start ()

Reported using DrKonqi

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