https://bugs.kde.org/show_bug.cgi?id=425609

            Bug ID: 425609
           Summary: kde launcher(launch bar?) crashed
           Product: plasmashell
           Version: 5.12.4
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: doug.la...@gmail.com
                CC: plasma-b...@kde.org
  Target Milestone: 1.0

Application: plasmashell (5.12.4)

Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 4.15.0-112-generic x86_64
Distribution: Ubuntu 18.04.5 LTS

-- Information about the crash:
- What I was doing when the application crashed:
I was just mousing over the Google Chrome item which had 4 browser windows
open. It's never crashed before but this time instead of popping up a 4 panel
list above the launcher it either showed up a blank area or nothing and the
lanucher crashed.

The crash does not seem to be reproducible.

-- 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 0x7f8128d91800 (LWP 3838))]

Thread 30 (Thread 0x7f7feffff700 (LWP 22746)):
#0  0x00007f8121c389f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c75aa63190) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f8121c389f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55c75aa63140, cond=0x55c75aa63168) at pthread_cond_wait.c:502
#2  0x00007f8121c389f3 in __pthread_cond_wait (cond=0x55c75aa63168,
mutex=0x55c75aa63140) at pthread_cond_wait.c:655
#3  0x00007f8122ab25ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8064e22ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f8064e26ba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f8064e21c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f8064e26c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f8064e21c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f8064e24a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f8121c326db in start_thread (arg=0x7f7feffff700) at
pthread_create.c:463
#12 0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7f7ffc992700 (LWP 22745)):
#0  0x00007f8121c389f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c75aa63190) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f8121c389f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55c75aa63140, cond=0x55c75aa63168) at pthread_cond_wait.c:502
#2  0x00007f8121c389f3 in __pthread_cond_wait (cond=0x55c75aa63168,
mutex=0x55c75aa63140) at pthread_cond_wait.c:655
#3  0x00007f8122ab25ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8064e22ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f8064e26ba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f8064e21c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f8064e26c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f8064e21c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f8064e24a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f8121c326db in start_thread (arg=0x7f7ffc992700) at
pthread_create.c:463
#12 0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7f7ffd193700 (LWP 22744)):
#0  0x00007f8121c389f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c75aa63190) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f8121c389f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55c75aa63140, cond=0x55c75aa63168) at pthread_cond_wait.c:502
#2  0x00007f8121c389f3 in __pthread_cond_wait (cond=0x55c75aa63168,
mutex=0x55c75aa63140) at pthread_cond_wait.c:655
#3  0x00007f8122ab25ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8064e22ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f8064e26ba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f8064e21c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f8064e26c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f8064e21c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f8064e24a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f8121c326db in start_thread (arg=0x7f7ffd193700) at
pthread_create.c:463
#12 0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7f7ffd994700 (LWP 22743)):
#0  0x00007f8121c389f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c75aa63190) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f8121c389f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55c75aa63140, cond=0x55c75aa63168) at pthread_cond_wait.c:502
#2  0x00007f8121c389f3 in __pthread_cond_wait (cond=0x55c75aa63168,
mutex=0x55c75aa63140) at pthread_cond_wait.c:655
#3  0x00007f8122ab25ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8064e22ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f8064e26ba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f8064e21c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f8064e26c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f8064e21c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f8064e24a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f8121c326db in start_thread (arg=0x7f7ffd994700) at
pthread_create.c:463
#12 0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7f7ffe195700 (LWP 22742)):
#0  0x00007f8121c389f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c75aa63190) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f8121c389f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55c75aa63140, cond=0x55c75aa63168) at pthread_cond_wait.c:502
#2  0x00007f8121c389f3 in __pthread_cond_wait (cond=0x55c75aa63168,
mutex=0x55c75aa63140) at pthread_cond_wait.c:655
#3  0x00007f8122ab25ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8064e22ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f8064e26ba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f8064e21c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f8064e26c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f8064e21c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f8064e26c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f8064e21c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007f8064e26c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007f8064e21c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007f8064e26c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007f8064e21c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#15 0x00007f8064e26c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#16 0x00007f8064e21c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#17 0x00007f8064e24a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#18 0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f8121c326db in start_thread (arg=0x7f7ffe195700) at
pthread_create.c:463
#20 0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7f7ffe996700 (LWP 22741)):
#0  0x00007f8121c389f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c75aa63190) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f8121c389f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55c75aa63140, cond=0x55c75aa63168) at pthread_cond_wait.c:502
#2  0x00007f8121c389f3 in __pthread_cond_wait (cond=0x55c75aa63168,
mutex=0x55c75aa63140) at pthread_cond_wait.c:655
#3  0x00007f8122ab25ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8064e22ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f8064e26ba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f8064e21c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f8064e26c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f8064e21c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f8064e26c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f8064e21c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007f8064e24a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f8121c326db in start_thread (arg=0x7f7ffe996700) at
pthread_create.c:463
#14 0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7f8006466700 (LWP 22740)):
#0  0x00007f8121c389f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c75aa63190) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f8121c389f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55c75aa63140, cond=0x55c75aa63168) at pthread_cond_wait.c:502
#2  0x00007f8121c389f3 in __pthread_cond_wait (cond=0x55c75aa63168,
mutex=0x55c75aa63140) at pthread_cond_wait.c:655
#3  0x00007f8122ab25ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8064e22ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f8064e26ba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f8064e21c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f8064e26c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f8064e21c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f8064e26c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f8064e21c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007f8064e26c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007f8064e21c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007f8064e26c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007f8064e21c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#15 0x00007f8064e24a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#16 0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f8121c326db in start_thread (arg=0x7f8006466700) at
pthread_create.c:463
#18 0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7f805d954700 (LWP 22739)):
#0  0x00007f8121c389f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c75aa63190) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f8121c389f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55c75aa63140, cond=0x55c75aa63168) at pthread_cond_wait.c:502
#2  0x00007f8121c389f3 in __pthread_cond_wait (cond=0x55c75aa63168,
mutex=0x55c75aa63140) at pthread_cond_wait.c:655
#3  0x00007f8122ab25ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8064e22ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f8064e26ba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f8064e21c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f8064e26c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f8064e21c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f8064e24a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f8121c326db in start_thread (arg=0x7f805d954700) at
pthread_create.c:463
#12 0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f8017821700 (LWP 26212)):
#0  0x00007f8121c389f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c759c94620) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f8121c389f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55c759c945d0, cond=0x55c759c945f8) at pthread_cond_wait.c:502
#2  0x00007f8121c389f3 in __pthread_cond_wait (cond=0x55c759c945f8,
mutex=0x55c759c945d0) at pthread_cond_wait.c:655
#3  0x00007f8122ab25ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8126837548 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f81268379aa in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8121c326db in start_thread (arg=0x7f8017821700) at
pthread_create.c:463
#8  0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f801558f700 (LWP 25647)):
#0  0x00007f812239fcf9 in __GI___poll (fds=0x7f800c003ce0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f811cf075c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f811cf076dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8122ce88ab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8122c8d90a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8122aac23a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f8125c1e6f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f8121c326db in start_thread (arg=0x7f801558f700) at
pthread_create.c:463
#9  0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f8016990700 (LWP 25646)):
#0  0x00007f811cf4d629 in g_mutex_lock () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f811cf06fec in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f811cf07570 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f811cf076dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8122ce88ab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8122c8d90a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f8122aac23a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8125c1e6f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f8121c326db in start_thread (arg=0x7f8016990700) at
pthread_create.c:463
#10 0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f80313fb700 (LWP 23640)):
#0  0x00007f8121c389f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c759dd1434) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f8121c389f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55c759dd13e0, cond=0x55c759dd1408) at pthread_cond_wait.c:502
#2  0x00007f8121c389f3 in __pthread_cond_wait (cond=0x55c759dd1408,
mutex=0x55c759dd13e0) at pthread_cond_wait.c:655
#3  0x00007f8122ab25ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8126837548 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f81268379aa in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8121c326db in start_thread (arg=0x7f80313fb700) at
pthread_create.c:463
#8  0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f8031ffc700 (LWP 28293)):
#0  0x00007f8121c389f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c7583ad814) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f8121c389f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55c7583ad7c0, cond=0x55c7583ad7e8) at pthread_cond_wait.c:502
#2  0x00007f8121c389f3 in __pthread_cond_wait (cond=0x55c7583ad7e8,
mutex=0x55c7583ad7c0) at pthread_cond_wait.c:655
#3  0x00007f8122ab25ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8126837548 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f81268379aa in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8121c326db in start_thread (arg=0x7f8031ffc700) at
pthread_create.c:463
#8  0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f80327fd700 (LWP 30655)):
#0  0x00007f8121c389f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c75a1ed9e4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f8121c389f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55c75a1ed990, cond=0x55c75a1ed9b8) at pthread_cond_wait.c:502
#2  0x00007f8121c389f3 in __pthread_cond_wait (cond=0x55c75a1ed9b8,
mutex=0x55c75a1ed990) at pthread_cond_wait.c:655
#3  0x00007f8122ab25ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8126837548 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f81268379aa in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8121c326db in start_thread (arg=0x7f80327fd700) at
pthread_create.c:463
#8  0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f80337fe700 (LWP 30654)):
#0  0x00007f812239fcf9 in __GI___poll (fds=0x7f8020003aa0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f811cf075c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f811cf076dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8122ce88ab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8122c8d90a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8122aac23a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f8125c1e6f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f8121c326db in start_thread (arg=0x7f80337fe700) at
pthread_create.c:463
#9  0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f8033fff700 (LWP 8241)):
#0  0x00007f8121c389f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c759d93610) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f8121c389f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55c759d935c0, cond=0x55c759d935e8) at pthread_cond_wait.c:502
#2  0x00007f8121c389f3 in __pthread_cond_wait (cond=0x55c759d935e8,
mutex=0x55c759d935c0) at pthread_cond_wait.c:655
#3  0x00007f8122ab25ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8126837548 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f81268379aa in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8121c326db in start_thread (arg=0x7f8033fff700) at
pthread_create.c:463
#8  0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f8040f40700 (LWP 6682)):
#0  0x00007f8121c389f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c75767c600) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f8121c389f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55c75767c5b0, cond=0x55c75767c5d8) at pthread_cond_wait.c:502
#2  0x00007f8121c389f3 in __pthread_cond_wait (cond=0x55c75767c5d8,
mutex=0x55c75767c5b0) at pthread_cond_wait.c:655
#3  0x00007f8122ab25ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8126837548 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f81268379aa in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8121c326db in start_thread (arg=0x7f8040f40700) at
pthread_create.c:463
#8  0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f8043fff700 (LWP 6385)):
#0  0x00007f8121c389f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c759d73cc0) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f8121c389f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55c759d73c70, cond=0x55c759d73c98) at pthread_cond_wait.c:502
#2  0x00007f8121c389f3 in __pthread_cond_wait (cond=0x55c759d73c98,
mutex=0x55c759d73c70) at pthread_cond_wait.c:655
#3  0x00007f8122ab25ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8126837548 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f81268379aa in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8121c326db in start_thread (arg=0x7f8043fff700) at
pthread_create.c:463
#8  0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f8042ffd700 (LWP 5442)):
#0  0x00007f8121c389f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f810c014340) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f8121c389f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f810c0142f0, cond=0x7f810c014318) at pthread_cond_wait.c:502
#2  0x00007f8121c389f3 in __pthread_cond_wait (cond=0x7f810c014318,
mutex=0x7f810c0142f0) at pthread_cond_wait.c:655
#3  0x00007f8122ab25ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8126837548 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f81268379aa in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8121c326db in start_thread (arg=0x7f8042ffd700) at
pthread_create.c:463
#8  0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f80437fe700 (LWP 5441)):
[KCrash Handler]
#6  0x00007f81101450c7 in  () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#7  0x00007f811014519e in  () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#8  0x00007f8079866336 in  () at /usr/lib/x86_64-linux-gnu/libGLX_nvidia.so.0
#9  0x00007f807985edc5 in glXReleaseTexImageEXT () at
/usr/lib/x86_64-linux-gnu/libGLX_nvidia.so.0
#10 0x00007f80725c659f in  () at
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so
#11 0x00007f812683943d in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f81268375d7 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007f81268379aa in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f8121c326db in start_thread (arg=0x7f80437fe700) at
pthread_create.c:463
#16 0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f8051014700 (LWP 5438)):
#0  0x00007f8121c389f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c758e59b54) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f8121c389f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55c758e59b00, cond=0x55c758e59b28) at pthread_cond_wait.c:502
#2  0x00007f8121c389f3 in __pthread_cond_wait (cond=0x55c758e59b28,
mutex=0x55c758e59b00) at pthread_cond_wait.c:655
#3  0x00007f8122ab25ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8126837548 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f81268379aa in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8121c326db in start_thread (arg=0x7f8051014700) at
pthread_create.c:463
#8  0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f8051c58700 (LWP 5437)):
#0  0x00007f8121c389f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c758c519a0) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f8121c389f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55c758c51950, cond=0x55c758c51978) at pthread_cond_wait.c:502
#2  0x00007f8121c389f3 in __pthread_cond_wait (cond=0x55c758c51978,
mutex=0x55c758c51950) at pthread_cond_wait.c:655
#3  0x00007f8122ab25ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8126837548 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f81268379aa in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8121c326db in start_thread (arg=0x7f8051c58700) at
pthread_create.c:463
#8  0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f805265c700 (LWP 5436)):
#0  0x00007f8121c389f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c758f024b4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f8121c389f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55c758f02460, cond=0x55c758f02488) at pthread_cond_wait.c:502
#2  0x00007f8121c389f3 in __pthread_cond_wait (cond=0x55c758f02488,
mutex=0x55c758f02460) at pthread_cond_wait.c:655
#3  0x00007f8122ab25ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8126837548 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f81268379aa in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8121c326db in start_thread (arg=0x7f805265c700) at
pthread_create.c:463
#8  0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f806cf16700 (LWP 4456)):
#0  0x00007f8121c389f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c7565642f4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f8121c389f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55c7565642a0, cond=0x55c7565642c8) at pthread_cond_wait.c:502
#2  0x00007f8121c389f3 in __pthread_cond_wait (cond=0x55c7565642c8,
mutex=0x55c7565642a0) at pthread_cond_wait.c:655
#3  0x00007f8122ab25ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8126837548 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f81268379aa in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8121c326db in start_thread (arg=0x7f806cf16700) at
pthread_create.c:463
#8  0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f806ea0d700 (LWP 4299)):
#0  0x00007f812239b1c4 in __GI___libc_read (fd=22, buf=0x7f806ea0cb20,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f811cf4c2b0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f811cf070b7 in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f811cf07570 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f811cf076dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8122ce88ab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f8122c8d90a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8122aac23a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f81267b82a6 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f8121c326db in start_thread (arg=0x7f806ea0d700) at
pthread_create.c:463
#11 0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f80fa389700 (LWP 4008)):
#0  0x00007f8121c389f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f812878dfb8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f8121c389f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f812878df68, cond=0x7f812878df90) at pthread_cond_wait.c:502
#2  0x00007f8121c389f3 in __pthread_cond_wait (cond=0x7f812878df90,
mutex=0x7f812878df68) at pthread_cond_wait.c:655
#3  0x00007f81284975f4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f8128497639 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f8121c326db in start_thread (arg=0x7f80fa389700) at
pthread_create.c:463
#6  0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f8108976700 (LWP 3976)):
#0  0x00007f811cf4d644 in g_mutex_unlock () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f811cf074ee in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f811cf076dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8122ce88ab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8122c8d90a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8122aac23a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f8125c1e6f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f8121c326db in start_thread (arg=0x7f8108976700) at
pthread_create.c:463
#9  0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f810a9e1700 (LWP 3960)):
#0  0x00007f812239b1c4 in __GI___libc_read (fd=10, buf=0x7f810a9e0b70,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f811cf4c2b0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f811cf070b7 in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f811cf07570 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f811cf076dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8122ce88ab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f8122c8d90a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8122aac23a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f8125c1e6f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f8121c326db in start_thread (arg=0x7f810a9e1700) at
pthread_create.c:463
#11 0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f810bfff700 (LWP 3915)):
#0  0x00007f812239fcf9 in __GI___poll (fds=0x7f8104092950, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f811cf075c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f811cf076dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8122ce88ab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8122c8d90a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8122aac23a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f8123165d45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f8122ab117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f8121c326db in start_thread (arg=0x7f810bfff700) at
pthread_create.c:463
#9  0x00007f81223aca3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f8128d91800 (LWP 3838)):
#0  0x00007f8121c389f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c758392684) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f8121c389f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55c758392630, cond=0x55c758392658) at pthread_cond_wait.c:502
#2  0x00007f8121c389f3 in __pthread_cond_wait (cond=0x55c758392658,
mutex=0x55c758392630) at pthread_cond_wait.c:655
#3  0x00007f8122ab25ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8126833d1d in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f8126834af2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f81268915c6 in QQuickWindow::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f81287cb323 in PlasmaQuick::Dialog::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#8  0x00007f80725c0945 in  () at
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so
#9  0x00007f8123c9783c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#10 0x00007f8123c9f104 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x00007f8122c8f8d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f81234e71a1 in QWindowPrivate::deliverUpdateRequest() () at
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007f81234e76b9 in QWindow::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#14 0x00007f8126891565 in QQuickWindow::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007f81287cb323 in PlasmaQuick::Dialog::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#16 0x00007f80725c0945 in  () at
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so
#17 0x00007f8123c9783c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007f8123c9f104 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007f8122c8f8d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f8122ce7d2e in QTimerInfoList::activateTimers() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f8122ce84f1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f811cf07417 in g_main_context_dispatch () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f811cf07650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f811cf076dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f8122ce888f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f8122c8d90a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f8122c969b4 in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x000055c755817cfa in  ()
#29 0x00007f81222acb97 in __libc_start_main (main=0x55c755817320, argc=1,
argv=0x7ffda2baf308, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffda2baf2f8) at ../csu/libc-start.c:310
#30 0x000055c75581809a in _start ()

Reported using DrKonqi

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