https://bugs.kde.org/show_bug.cgi?id=426251

            Bug ID: 426251
           Summary: Shell crashed shen I swithed month in calendar viewer
           Product: plasmashell
           Version: 5.12.9
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: mart.bog...@gmail.com
                CC: plasma-b...@kde.org
  Target Milestone: 1.0

Application: plasmashell (5.12.9)

Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 4.15.0-115-generic x86_64
Distribution: Ubuntu 18.04.5 LTS

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

1. Clicked on clock on main pannel, in right screen corner.
2. It showed calendar for current month.
3. I clicked button ( " < " ) to show previous month.
4. It crashed.

System config: It's laptop with connected external monitor. I clicked on pannel
that is drawn on external monitor. External display is set as "Primary Display"

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 0x7fc032296800 (LWP 3319))]

Thread 19 (Thread 0x7fbf30ff9700 (LWP 13066)):
#0  0x00007fc02b1119f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55b39caac4c4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fc02b1119f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55b39caac470, cond=0x55b39caac498) at pthread_cond_wait.c:502
#2  0x00007fc02b1119f3 in __pthread_cond_wait (cond=0x55b39caac498,
mutex=0x55b39caac470) at pthread_cond_wait.c:655
#3  0x00007fc02bf8b5ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fbf56e62ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbf56e66ba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbf56e61c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fbf56e66c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fbf56e61c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fbf56e64a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fc02bf8a17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fc02b10b6db in start_thread (arg=0x7fbf30ff9700) at
pthread_create.c:463
#12 0x00007fc02b885a3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7fbf317fa700 (LWP 13065)):
#0  0x00007fc02b1119f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55b39caac4c4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fc02b1119f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55b39caac470, cond=0x55b39caac498) at pthread_cond_wait.c:502
#2  0x00007fc02b1119f3 in __pthread_cond_wait (cond=0x55b39caac498,
mutex=0x55b39caac470) at pthread_cond_wait.c:655
#3  0x00007fc02bf8b5ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fbf56e62ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbf56e66ba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbf56e61c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fbf56e66c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fbf56e61c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fbf56e64a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fc02bf8a17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fc02b10b6db in start_thread (arg=0x7fbf317fa700) at
pthread_create.c:463
#12 0x00007fc02b885a3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7fbf31ffb700 (LWP 13064)):
#0  0x00007fc02b1119f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55b39caac4c4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fc02b1119f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55b39caac470, cond=0x55b39caac498) at pthread_cond_wait.c:502
#2  0x00007fc02b1119f3 in __pthread_cond_wait (cond=0x55b39caac498,
mutex=0x55b39caac470) at pthread_cond_wait.c:655
#3  0x00007fc02bf8b5ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fbf56e62ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbf56e66ba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbf56e61c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fbf56e66c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fbf56e61c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fbf56e64a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fc02bf8a17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fc02b10b6db in start_thread (arg=0x7fbf31ffb700) at
pthread_create.c:463
#12 0x00007fc02b885a3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7fbf327fc700 (LWP 13063)):
#0  0x00007fc02b1119f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55b39caac4c4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fc02b1119f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55b39caac470, cond=0x55b39caac498) at pthread_cond_wait.c:502
#2  0x00007fc02b1119f3 in __pthread_cond_wait (cond=0x55b39caac498,
mutex=0x55b39caac470) at pthread_cond_wait.c:655
#3  0x00007fc02bf8b5ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fbf56e62ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbf56e66ba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbf56e61c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fbf56e66c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fbf56e61c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fbf56e64a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fc02bf8a17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fc02b10b6db in start_thread (arg=0x7fbf327fc700) at
pthread_create.c:463
#12 0x00007fc02b885a3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7fbf32ffd700 (LWP 13062)):
#0  0x00007fc02b1119f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55b39caac4c4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fc02b1119f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55b39caac470, cond=0x55b39caac498) at pthread_cond_wait.c:502
#2  0x00007fc02b1119f3 in __pthread_cond_wait (cond=0x55b39caac498,
mutex=0x55b39caac470) at pthread_cond_wait.c:655
#3  0x00007fc02bf8b5ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fbf56e62ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbf56e66ba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbf56e61c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fbf56e66c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fbf56e61c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fbf56e66c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fbf56e61c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fbf56e66c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007fbf56e61c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007fbf56e66c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007fbf56e61c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#15 0x00007fbf56e64a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#16 0x00007fc02bf8a17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007fc02b10b6db in start_thread (arg=0x7fbf32ffd700) at
pthread_create.c:463
#18 0x00007fc02b885a3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7fbf337fe700 (LWP 13061)):
#0  0x00007fc02b1119f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55b39caac4c4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fc02b1119f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55b39caac470, cond=0x55b39caac498) at pthread_cond_wait.c:502
#2  0x00007fc02b1119f3 in __pthread_cond_wait (cond=0x55b39caac498,
mutex=0x55b39caac470) at pthread_cond_wait.c:655
#3  0x00007fc02bf8b5ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fbf56e62ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbf56e66ba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbf56e61c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fbf56e66c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fbf56e61c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fbf56e66c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fbf56e61c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fbf56e66c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007fbf56e61c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007fbf56e66c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007fbf56e61c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#15 0x00007fbf56e66c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#16 0x00007fbf56e61c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#17 0x00007fbf56e66c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#18 0x00007fbf56e61c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#19 0x00007fbf56e66c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#20 0x00007fbf56e61c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#21 0x00007fbf56e64a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#22 0x00007fc02bf8a17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007fc02b10b6db in start_thread (arg=0x7fbf337fe700) at
pthread_create.c:463
#24 0x00007fc02b885a3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7fbf33fff700 (LWP 13060)):
#0  0x00007fc02b1119f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55b39caac4c4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fc02b1119f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55b39caac470, cond=0x55b39caac498) at pthread_cond_wait.c:502
#2  0x00007fc02b1119f3 in __pthread_cond_wait (cond=0x55b39caac498,
mutex=0x55b39caac470) at pthread_cond_wait.c:655
#3  0x00007fc02bf8b5ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fbf56e62ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbf56e66ba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbf56e61c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fbf56e66c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fbf56e61c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fbf56e64a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fc02bf8a17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fc02b10b6db in start_thread (arg=0x7fbf33fff700) at
pthread_create.c:463
#12 0x00007fc02b885a3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fbf3bfff700 (LWP 13059)):
#0  0x00007fc02b1119f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55b39caac4c4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fc02b1119f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55b39caac470, cond=0x55b39caac498) at pthread_cond_wait.c:502
#2  0x00007fc02b1119f3 in __pthread_cond_wait (cond=0x55b39caac498,
mutex=0x55b39caac470) at pthread_cond_wait.c:655
#3  0x00007fc02bf8b5ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fbf56e62ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbf56e66ba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbf56e61c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fbf56e66c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fbf56e61c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fbf56e64a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fc02bf8a17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fc02b10b6db in start_thread (arg=0x7fbf3bfff700) at
pthread_create.c:463
#12 0x00007fc02b885a3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fbf501ef700 (LWP 4025)):
#0  0x00007fc02b878cf9 in __GI___poll (fds=0x7fbf48006070, nfds=1,
timeout=3158920) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fc0263e05c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc0263e06dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc02c1c18ab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fc02c16690a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fc02bf8523a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fbf52b4c747 in KCupsConnection::run() () at
/usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007fc02bf8a17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fc02b10b6db in start_thread (arg=0x7fbf501ef700) at
pthread_create.c:463
#9  0x00007fc02b885a3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fbf656ed700 (LWP 3713)):
#0  0x00007ffcbc9bd979 in  ()
#1  0x00007ffcbc9bdc30 in clock_gettime ()
#2  0x00007fc02b895056 in __GI___clock_gettime (clock_id=1, tp=0x7fbf656ecaa0)
at ../sysdeps/unix/clock_gettime.c:115
#3  0x00007fc02c1c11c1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fc02c1bf9f9 in QTimerInfoList::updateCurrentTime() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fc02c1bffd5 in QTimerInfoList::timerWait(timespec&) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fc02c1c161e in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fc0263dfb28 in g_main_context_prepare () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fc0263e04fb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fc0263e06dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fc02c1c18ab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fc02c16690a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fc02bf8523a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007fc02fc912a6 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007fc02bf8a17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007fc02b10b6db in start_thread (arg=0x7fbf656ed700) at
pthread_create.c:463
#16 0x00007fc02b885a3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fbf7e6bb700 (LWP 3671)):
#0  0x00007fc02b1119f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7fc014007388) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fc02b1119f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7fc014007338, cond=0x7fc014007360) at pthread_cond_wait.c:502
#2  0x00007fc02b1119f3 in __pthread_cond_wait (cond=0x7fc014007360,
mutex=0x7fc014007338) at pthread_cond_wait.c:655
#3  0x00007fc0050509ab in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fc005050597 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fc02b10b6db in start_thread (arg=0x7fbf7e6bb700) at
pthread_create.c:463
#6  0x00007fc02b885a3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fbf7eebc700 (LWP 3670)):
#0  0x00007fc02b1119f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7fc014007388) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fc02b1119f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7fc014007338, cond=0x7fc014007360) at pthread_cond_wait.c:502
#2  0x00007fc02b1119f3 in __pthread_cond_wait (cond=0x7fc014007360,
mutex=0x7fc014007338) at pthread_cond_wait.c:655
#3  0x00007fc0050509ab in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fc005050597 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fc02b10b6db in start_thread (arg=0x7fbf7eebc700) at
pthread_create.c:463
#6  0x00007fc02b885a3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fbf7f6bd700 (LWP 3669)):
#0  0x00007fc02b1119f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7fc014007388) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fc02b1119f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7fc014007338, cond=0x7fc014007360) at pthread_cond_wait.c:502
#2  0x00007fc02b1119f3 in __pthread_cond_wait (cond=0x7fc014007360,
mutex=0x7fc014007338) at pthread_cond_wait.c:655
#3  0x00007fc0050509ab in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fc005050597 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fc02b10b6db in start_thread (arg=0x7fbf7f6bd700) at
pthread_create.c:463
#6  0x00007fc02b885a3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fbf7febe700 (LWP 3668)):
#0  0x00007fc02b1119f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7fc014007388) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fc02b1119f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7fc014007338, cond=0x7fc014007360) at pthread_cond_wait.c:502
#2  0x00007fc02b1119f3 in __pthread_cond_wait (cond=0x7fc014007360,
mutex=0x7fc014007338) at pthread_cond_wait.c:655
#3  0x00007fc0050509ab in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fc005050597 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fc02b10b6db in start_thread (arg=0x7fbf7febe700) at
pthread_create.c:463
#6  0x00007fc02b885a3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fc0075bf700 (LWP 3648)):
#0  0x00007fc02b1119f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7fc031c66fb8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fc02b1119f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7fc031c66f68, cond=0x7fc031c66f90) at pthread_cond_wait.c:502
#2  0x00007fc02b1119f3 in __pthread_cond_wait (cond=0x7fc031c66f90,
mutex=0x7fc031c66f68) at pthread_cond_wait.c:655
#3  0x00007fc0319705f4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007fc031970639 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007fc02b10b6db in start_thread (arg=0x7fc0075bf700) at
pthread_create.c:463
#6  0x00007fc02b885a3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fc011d8f700 (LWP 3566)):
#0  0x00007fc02b878cf9 in __GI___poll (fds=0x7fc000003ce0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fc0263e05c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc0263e06dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc02c1c18ab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fc02c16690a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fc02bf8523a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fc02f0f76f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fc02bf8a17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fc02b10b6db in start_thread (arg=0x7fc011d8f700) at
pthread_create.c:463
#9  0x00007fc02b885a3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fc013dfa700 (LWP 3558)):
#0  0x00007fc02c1c1784 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007fc0263dfb28 in g_main_context_prepare () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc0263e04fb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc0263e06dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fc02c1c18ab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fc02c16690a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fc02bf8523a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fc02f0f76f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fc02bf8a17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fc02b10b6db in start_thread (arg=0x7fc013dfa700) at
pthread_create.c:463
#10 0x00007fc02b885a3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fc019d86700 (LWP 3339)):
#0  0x00007fc026426629 in g_mutex_lock () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fc0263dfb33 in g_main_context_prepare () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc0263e04fb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc0263e06dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fc02c1c18ab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fc02c16690a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fc02bf8523a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fc02c63ed45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007fc02bf8a17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fc02b10b6db in start_thread (arg=0x7fc019d86700) at
pthread_create.c:463
#10 0x00007fc02b885a3f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fc032296800 (LWP 3319)):
[KCrash Handler]
#6  0x00007fc02fcf99f7 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fc02fcf9a29 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fc02fcf3d24 in QSGBasicGlyphNode::~QSGBasicGlyphNode() () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007fc02fcf6ba9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007fc02fda534e in QQuickTextNode::deleteContent() () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007fc02fda4894 in QQuickText::updatePaintNode(QSGNode*,
QQuickItem::UpdatePaintNodeData*) () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007fc02fd5fa18 in QQuickWindowPrivate::updateDirtyNode(QQuickItem*) ()
at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007fc02fd60293 in QQuickWindowPrivate::updateDirtyNodes() () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007fc02fd61512 in QQuickWindowPrivate::syncSceneGraph() () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007fc02fcf4e45 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007fc02fd6a726 in QQuickWindow::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#17 0x00007fc031ca4323 in PlasmaQuick::Dialog::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#18 0x00007fc02d17083c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007fc02d178104 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007fc02c1688d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007fc02c9c01a1 in QWindowPrivate::deliverUpdateRequest() () at
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#22 0x00007fc02c9c06b9 in QWindow::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#23 0x00007fc02fd6a6c5 in QQuickWindow::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#24 0x00007fc031ca4323 in PlasmaQuick::Dialog::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#25 0x00007fc02d17083c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007fc02d178104 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007fc02c1688d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007fc02c1c0d2e in QTimerInfoList::activateTimers() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007fc02c1c14f1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007fc0263e0417 in g_main_context_dispatch () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007fc0263e0650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007fc0263e06dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007fc02c1c188f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007fc02c16690a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007fc02c16f9b4 in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x000055b397176d6a in  ()
#37 0x00007fc02b785b97 in __libc_start_main (main=0x55b397176390, argc=1,
argv=0x7ffcbc951cf8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffcbc951ce8) at ../csu/libc-start.c:310
#38 0x000055b39717710a in _start ()

Reported using DrKonqi

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