https://bugs.kde.org/show_bug.cgi?id=394550

            Bug ID: 394550
           Summary: Plasmashell crashes when right clicking task bar icons
           Product: plasmashell
           Version: 5.12.4
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: moo...@hotmail.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 4.16.2-041602-generic x86_64
Distribution: Ubuntu 18.04 LTS

-- Information about the crash:
Right clicking task bar icons, plasmashell hangs then crashes. Sometimes it
will restart, other times it will not. It doesn't appear to be isolated to a
single applet.

The crash can be reproduced sometimes.

-- 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 0x7fb69b0c6800 (LWP 4925))]

Thread 20 (Thread 0x7fb58b7fe700 (LWP 27251)):
#0  0x00007fb693f369f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x5623cf379380) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fb693f369f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x5623cf379330, cond=0x5623cf379358) at pthread_cond_wait.c:502
#2  0x00007fb693f369f3 in __pthread_cond_wait (cond=0x5623cf379358,
mutex=0x5623cf379330) at pthread_cond_wait.c:655
#3  0x00007fb694db559b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb5c4ca7ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fb5c4cabba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fb5c4ca6c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fb5c4cabc02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fb5c4ca6c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fb5c4ca9a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fb694db416d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fb693f306db in start_thread (arg=0x7fb58b7fe700) at
pthread_create.c:463
#12 0x00007fb6946aa88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7fb5837fe700 (LWP 27250)):
#0  0x00007fb693f369f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x5623cf379380) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fb693f369f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x5623cf379330, cond=0x5623cf379358) at pthread_cond_wait.c:502
#2  0x00007fb693f369f3 in __pthread_cond_wait (cond=0x5623cf379358,
mutex=0x5623cf379330) at pthread_cond_wait.c:655
#3  0x00007fb694db559b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb5c4ca7ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fb5c4cabba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fb5c4ca6c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fb5c4cabc02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fb5c4ca6c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fb5c4cabc02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fb5c4ca6c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fb5c4ca9a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007fb694db416d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007fb693f306db in start_thread (arg=0x7fb5837fe700) at
pthread_create.c:463
#14 0x00007fb6946aa88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7fb58bfff700 (LWP 27249)):
#0  0x00007fb693f369f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x5623cf379380) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fb693f369f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x5623cf379330, cond=0x5623cf379358) at pthread_cond_wait.c:502
#2  0x00007fb693f369f3 in __pthread_cond_wait (cond=0x5623cf379358,
mutex=0x5623cf379330) at pthread_cond_wait.c:655
#3  0x00007fb694db559b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb5c4ca7ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fb5c4cabba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fb5c4ca6c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fb5c4cabc02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fb5c4ca6c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fb5c4cabc02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fb5c4ca6c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fb5c4ca9a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007fb694db416d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007fb693f306db in start_thread (arg=0x7fb58bfff700) at
pthread_create.c:463
#14 0x00007fb6946aa88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7fb5a0ff8700 (LWP 27248)):
#0  0x00007fb693f369f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x5623cf379380) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fb693f369f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x5623cf379330, cond=0x5623cf379358) at pthread_cond_wait.c:502
#2  0x00007fb693f369f3 in __pthread_cond_wait (cond=0x5623cf379358,
mutex=0x5623cf379330) at pthread_cond_wait.c:655
#3  0x00007fb694db559b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb5c4ca7ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fb5c4cabba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fb5c4ca6c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fb5c4cabc02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fb5c4ca6c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fb5c4cabc02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fb5c4ca6c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fb5c4cabc02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007fb5c4ca6c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007fb5c4cabc02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007fb5c4ca6c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#15 0x00007fb5c4ca9a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#16 0x00007fb694db416d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007fb693f306db in start_thread (arg=0x7fb5a0ff8700) at
pthread_create.c:463
#18 0x00007fb6946aa88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7fb5a17f9700 (LWP 27247)):
#0  0x00007fb693f369f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x5623cf379380) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fb693f369f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x5623cf379330, cond=0x5623cf379358) at pthread_cond_wait.c:502
#2  0x00007fb693f369f3 in __pthread_cond_wait (cond=0x5623cf379358,
mutex=0x5623cf379330) at pthread_cond_wait.c:655
#3  0x00007fb694db559b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb5c4ca7ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fb5c4cabba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fb5c4ca6c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fb5c4cabc02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fb5c4ca6c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fb5c4ca9a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fb694db416d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fb693f306db in start_thread (arg=0x7fb5a17f9700) at
pthread_create.c:463
#12 0x00007fb6946aa88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7fb5a1ffa700 (LWP 27246)):
#0  0x00007fb693f369f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x5623cf379380) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fb693f369f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x5623cf379330, cond=0x5623cf379358) at pthread_cond_wait.c:502
#2  0x00007fb693f369f3 in __pthread_cond_wait (cond=0x5623cf379358,
mutex=0x5623cf379330) at pthread_cond_wait.c:655
#3  0x00007fb694db559b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb5c4ca7ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fb5c4cabba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fb5c4ca6c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fb5c4cabc02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fb5c4ca6c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fb5c4ca9a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fb694db416d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fb693f306db in start_thread (arg=0x7fb5a1ffa700) at
pthread_create.c:463
#12 0x00007fb6946aa88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7fb5a27fb700 (LWP 27245)):
#0  0x00007fb693f369f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x5623cf379380) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fb693f369f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x5623cf379330, cond=0x5623cf379358) at pthread_cond_wait.c:502
#2  0x00007fb693f369f3 in __pthread_cond_wait (cond=0x5623cf379358,
mutex=0x5623cf379330) at pthread_cond_wait.c:655
#3  0x00007fb694db559b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb5c4ca7ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fb5c4cabba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fb5c4ca6c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fb5c4cabc02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fb5c4ca6c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fb5c4ca9a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fb694db416d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fb693f306db in start_thread (arg=0x7fb5a27fb700) at
pthread_create.c:463
#12 0x00007fb6946aa88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7fb5a3a4c700 (LWP 27244)):
#0  0x00007fb693f369f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x5623cf379380) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fb693f369f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x5623cf379330, cond=0x5623cf379358) at pthread_cond_wait.c:502
#2  0x00007fb693f369f3 in __pthread_cond_wait (cond=0x5623cf379358,
mutex=0x5623cf379330) at pthread_cond_wait.c:655
#3  0x00007fb694db559b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb5c4ca7ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fb5c4cabba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fb5c4ca6c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fb5c4ca9a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fb694db416d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fb693f306db in start_thread (arg=0x7fb5a3a4c700) at
pthread_create.c:463
#10 0x00007fb6946aa88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fb5cadbc700 (LWP 7512)):
#0  0x00007fb69469dbf9 in __GI___poll (fds=0x7fb59c003490, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb68f207439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb68f20754c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb694feb90b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb694f909ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb694daf22a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fb697f216f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fb694db416d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fb693f306db in start_thread (arg=0x7fb5cadbc700) at
pthread_create.c:463
#9  0x00007fb6946aa88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fb5b6c1a700 (LWP 5307)):
#0  0x00007fb68f24ccf4 in g_mutex_unlock () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fb68f206dc8 in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb68f2073e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb68f20754c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb694feb90b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb694f909ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fb694daf22a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fb5b9576747 in KCupsConnection::run() () at
/usr/lib/x86_64-linux-gnu/libkcupslib.so
#8  0x00007fb694db416d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fb693f306db in start_thread (arg=0x7fb5b6c1a700) at
pthread_create.c:463
#10 0x00007fb6946aa88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fb5e3f10700 (LWP 5022)):
#0  0x00007fb693f369f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x5623cd822a78) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fb693f369f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x5623cd822a28, cond=0x5623cd822a50) at pthread_cond_wait.c:502
#2  0x00007fb693f369f3 in __pthread_cond_wait (cond=0x5623cd822a50,
mutex=0x5623cd822a28) at pthread_cond_wait.c:655
#3  0x00007fb5ea7f786b in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007fb5ea7f76e7 in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007fb693f306db in start_thread (arg=0x7fb5e3f10700) at
pthread_create.c:463
#6  0x00007fb6946aa88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fb5e4711700 (LWP 5021)):
#0  0x00007fb693f369f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x5623cd822910) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fb693f369f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x5623cd8228c0, cond=0x5623cd8228e8) at pthread_cond_wait.c:502
#2  0x00007fb693f369f3 in __pthread_cond_wait (cond=0x5623cd8228e8,
mutex=0x5623cd8228c0) at pthread_cond_wait.c:655
#3  0x00007fb5ea7f786b in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007fb5ea7f76e7 in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007fb693f306db in start_thread (arg=0x7fb5e4711700) at
pthread_create.c:463
#6  0x00007fb6946aa88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fb5e4f12700 (LWP 5020)):
#0  0x00007fb693f369f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x5623cd8227a8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fb693f369f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x5623cd822758, cond=0x5623cd822780) at pthread_cond_wait.c:502
#2  0x00007fb693f369f3 in __pthread_cond_wait (cond=0x5623cd822780,
mutex=0x5623cd822758) at pthread_cond_wait.c:655
#3  0x00007fb5ea7f786b in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007fb5ea7f76e7 in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007fb693f306db in start_thread (arg=0x7fb5e4f12700) at
pthread_create.c:463
#6  0x00007fb6946aa88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fb5e5713700 (LWP 5019)):
#0  0x00007fb693f369f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x5623cd822640) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fb693f369f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x5623cd8225f0, cond=0x5623cd822618) at pthread_cond_wait.c:502
#2  0x00007fb693f369f3 in __pthread_cond_wait (cond=0x5623cd822618,
mutex=0x5623cd8225f0) at pthread_cond_wait.c:655
#3  0x00007fb5ea7f786b in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007fb5ea7f76e7 in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007fb693f306db in start_thread (arg=0x7fb5e5713700) at
pthread_create.c:463
#6  0x00007fb6946aa88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fb674ba3700 (LWP 5016)):
#0  0x00007fb693f369f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7fb69aa91fb8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fb693f369f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7fb69aa91f68, cond=0x7fb69aa91f90) at pthread_cond_wait.c:502
#2  0x00007fb693f369f3 in __pthread_cond_wait (cond=0x7fb69aa91f90,
mutex=0x7fb69aa91f68) at pthread_cond_wait.c:655
#3  0x00007fb69a79b5f4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007fb69a79b639 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007fb693f306db in start_thread (arg=0x7fb674ba3700) at
pthread_create.c:463
#6  0x00007fb6946aa88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fb676d98700 (LWP 5011)):
#0  0x00007fb68f24ccd9 in g_mutex_lock () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fb68f20741f in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb68f20754c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb694feb90b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb694f909ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb694daf22a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fb697f216f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fb694db416d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fb693f306db in start_thread (arg=0x7fb676d98700) at
pthread_create.c:463
#9  0x00007fb6946aa88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fb67ce48700 (LWP 4977)):
#0  0x00007ffffa7feae1 in clock_gettime ()
#1  0x00007fb6946b9ea6 in __GI___clock_gettime (clock_id=1, tp=0x7fb67ce47af0)
at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007fb694feb221 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fb694fe9a59 in QTimerInfoList::updateCurrentTime() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb694fea035 in QTimerInfoList::timerWait(timespec&) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb694feb67e in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fb68f206998 in g_main_context_prepare () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fb68f20736b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fb68f20754c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fb694feb90b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fb694f909ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fb694daf22a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fb697f216f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007fb694db416d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007fb693f306db in start_thread (arg=0x7fb67ce48700) at
pthread_create.c:463
#15 0x00007fb6946aa88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fb67e88d700 (LWP 4956)):
#0  0x00007fb69469dbf9 in __GI___poll (fds=0x7fb678004db0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb68f207439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb68f20754c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb694feb90b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb694f909ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb694daf22a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fb695468d45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fb694db416d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fb693f306db in start_thread (arg=0x7fb67e88d700) at
pthread_create.c:463
#9  0x00007fb6946aa88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fb684e30700 (LWP 4934)):
#0  0x00007fb69469dbf9 in __GI___poll (fds=0x7fb684e2fca8, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb6996c7747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fb6996c936a in xcb_wait_for_event () at
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fb6877c92a9 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fb694db416d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb693f306db in start_thread (arg=0x7fb684e30700) at
pthread_create.c:463
#6  0x00007fb6946aa88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fb69b0c6800 (LWP 4925)):
[KCrash Handler]
#6  0x00007fb675922004 in  ()
#7  0x00005623d1075620 in  ()
#8  0x00007fb675999388 in  ()
#9  0x00007fb67591dd28 in  ()
#10 0x00007fb697f03412 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007fb697dd88cc in QV4::ExecutionContext::simpleCall(QV4::Scope&,
QV4::CallData*, QV4::Function*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007fb697f01a29 in QQmlJavaScriptExpression::evaluate(QV4::CallData*,
bool*, QV4::Scope&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007fb697f0bce6 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#14 0x00007fb697f08b23 in
QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007fb697f14adb in
QQmlObjectCreator::finalize(QQmlInstantiationInterrupt&) () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007fb697e947a2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#17 0x00007fb697e94d7c in QQmlEnginePrivate::incubate(QQmlIncubator&,
QQmlContextData*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#18 0x00007fb697e91d0c in QQmlComponent::create(QQmlIncubator&, QQmlContext*,
QQmlContext*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#19 0x00007fb698fe6235 in
KDeclarative::QmlObject::completeInitialization(QHash<QString, QVariant>
const&) () at /usr/lib/x86_64-linux-gnu/libKF5Declarative.so.5
#20 0x00007fb698fe63f9 in  () at
/usr/lib/x86_64-linux-gnu/libKF5Declarative.so.5
#21 0x00007fb698fe65c0 in  () at
/usr/lib/x86_64-linux-gnu/libKF5Declarative.so.5
#22 0x00007fb5daccb7b4 in  () at
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so
#23 0x00007fb5dacca895 in  () at
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so
#24 0x00007fb694fc16cf in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007fb694fce027 in QTimer::timeout(QTimer::QPrivateSignal) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007fb694fce388 in QTimer::timerEvent(QTimerEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007fb694fc20db in QObject::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007fb695f9a82c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007fb695fa20f4 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007fb694f929a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007fb694fead8e in QTimerInfoList::activateTimers() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007fb694feb551 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007fb68f207287 in g_main_context_dispatch () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007fb68f2074c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007fb68f20754c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007fb694feb8ef in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007fb694f909ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007fb694f99a84 in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x00005623ccf1ecfa in  ()
#40 0x00007fb6945aab97 in __libc_start_main (main=0x5623ccf1e320, argc=1,
argv=0x7ffffa758fd8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffffa758fc8) at ../csu/libc-start.c:310
#41 0x00005623ccf1f09a in _start ()

Reported using DrKonqi

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