https://bugs.kde.org/show_bug.cgi?id=404699

            Bug ID: 404699
           Summary: Plasma crashed after adding Display Configuration
                    widget
           Product: plasmashell
           Version: 5.15.1
          Platform: Archlinux Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: [email protected]
          Reporter: [email protected]
                CC: [email protected]
  Target Milestone: 1.0

Application: plasmashell (5.15.1)

Qt Version: 5.12.1
Frameworks Version: 5.55.0
Operating System: Linux 4.20.10-arch1-1-ARCH x86_64
Distribution: "Arch Linux"

-- Information about the crash:
- What I was doing when the application crashed: I was adding widgets randomly
on my desktop and my three panels (I have two in my laptop display and another
one in an external monitor connected through HDMI) and when I added the
"Display Configuration" widget, Plasma crashed. When it restarted itself the
bug did not happen again.

I'm running a recently installed Arch Linux with kernel 4.20.10-arch1-1-ARCH

The crash does not seem to be reproducible.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f5a4e234680 (LWP 671))]

Thread 18 (Thread 0x7f5a158e2700 (LWP 15854)):
#0  0x00007f5a53267c21 in poll () at /usr/lib/libc.so.6
#1  0x00007f5a51737540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f5a517385c2 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0
#3  0x00007f5a3ce5acb8 in  () at /usr/lib/libgio-2.0.so.0
#4  0x00007f5a5171267b in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f5a52687a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f5a53272b23 in clone () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7f59f27fc700 (LWP 15853)):
#0  0x00007f5a532637a4 in read () at /usr/lib/libc.so.6
#1  0x00007f5a516e5971 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f5a517360b0 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f5a517374e6 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f5a5173762e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#5  0x00007f5a51737682 in  () at /usr/lib/libglib-2.0.so.0
#6  0x00007f5a5171267b in  () at /usr/lib/libglib-2.0.so.0
#7  0x00007f5a52687a9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f5a53272b23 in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7f59f2ffd700 (LWP 10961)):
#0  0x00007f5a5268dafc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f5a5358ec4c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f5a5358ed3a in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#3  0x00007f5a3d05d469 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f5a3d061339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f5a3d061392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f5a3d05f389 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007f5a5358896c in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f5a52687a9d in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f5a53272b23 in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7f59f37fe700 (LWP 10960)):
#0  0x00007f5a5268dafc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f5a5358ec4c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f5a5358ed3a in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#3  0x00007f5a3d05d469 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f5a3d061339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f5a3d061392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f5a3d061392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007f5a3d061392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#11 0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#12 0x00007f5a3d061392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#13 0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#14 0x00007f5a3d061392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#15 0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#16 0x00007f5a3d05f389 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#17 0x00007f5a5358896c in  () at /usr/lib/libQt5Core.so.5
#18 0x00007f5a52687a9d in start_thread () at /usr/lib/libpthread.so.0
#19 0x00007f5a53272b23 in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7f59f3fff700 (LWP 10959)):
#0  0x00007f5a5268dafc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f5a5358ec4c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f5a5358ed3a in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#3  0x00007f5a3d05d469 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f5a3d061339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f5a3d061392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f5a3d05f389 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007f5a5358896c in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f5a52687a9d in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f5a53272b23 in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7f5a0cfbb700 (LWP 10958)):
#0  0x00007f5a5268dafc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f5a5358ec4c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f5a5358ed3a in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#3  0x00007f5a3d05d469 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f5a3d061339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f5a3d061392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f5a3d061392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007f5a3d061392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#11 0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#12 0x00007f5a3d061392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#13 0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#14 0x00007f5a3d05f389 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#15 0x00007f5a5358896c in  () at /usr/lib/libQt5Core.so.5
#16 0x00007f5a52687a9d in start_thread () at /usr/lib/libpthread.so.0
#17 0x00007f5a53272b23 in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7f5a0d7bc700 (LWP 10957)):
#0  0x00007f5a5268dafc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f5a5358ec4c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f5a5358ed3a in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#3  0x00007f5a3d05d469 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f5a3d061339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f5a3d061392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f5a3d061392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007f5a3d061392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#11 0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#12 0x00007f5a3d061392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#13 0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#14 0x00007f5a3d061392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#15 0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#16 0x00007f5a3d061392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#17 0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#18 0x00007f5a3d061392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#19 0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#20 0x00007f5a3d061392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#21 0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#22 0x00007f5a3d05f389 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#23 0x00007f5a5358896c in  () at /usr/lib/libQt5Core.so.5
#24 0x00007f5a52687a9d in start_thread () at /usr/lib/libpthread.so.0
#25 0x00007f5a53272b23 in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f5a0dfbd700 (LWP 10956)):
#0  0x00007f5a5268dafc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f5a5358ec4c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f5a5358ed3a in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#3  0x00007f5a3d05d469 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f5a3d061339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f5a3d061392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f5a3d061392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007f5a3d061392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#11 0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#12 0x00007f5a3d05f389 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#13 0x00007f5a5358896c in  () at /usr/lib/libQt5Core.so.5
#14 0x00007f5a52687a9d in start_thread () at /usr/lib/libpthread.so.0
#15 0x00007f5a53272b23 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f5a0ffff700 (LWP 10955)):
#0  0x00007f5a5268dafc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f5a5358ec4c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f5a5358ed3a in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#3  0x00007f5a3d05d469 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f5a3d061339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f5a3d061392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f5a3d05f389 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007f5a5358896c in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f5a52687a9d in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f5a53272b23 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f5a0e7be700 (LWP 10954)):
#0  0x00007f5a5268dafc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f5a5358ec4c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f5a5358ed3a in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#3  0x00007f5a3d05d469 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f5a3d061339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f5a3d061392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f5a3d05c52d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f5a3d05f389 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007f5a5358896c in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f5a52687a9d in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f5a53272b23 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f5a17bff700 (LWP 10328)):
#0  0x00007f5a53267c21 in poll () at /usr/lib/libc.so.6
#1  0x00007f5a51737540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f5a5173762e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f5a5379ad04 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f5a53743b2c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f5a53587569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f5a5358896c in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f5a52687a9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f5a53272b23 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f5a3249a700 (LWP 952)):
#0  0x00007f5a516e5424 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f5a517373de in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f5a5173762e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f5a5379ad04 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f5a53743b2c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f5a53587569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f5a3388135a in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#7  0x00007f5a5358896c in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f5a52687a9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f5a53272b23 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f5a3e26f700 (LWP 940)):
#0  0x00007f5a53267c21 in poll () at /usr/lib/libc.so.6
#1  0x00007f5a51737540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f5a5173762e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f5a5379ad04 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f5a53743b2c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f5a53587569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f5a55253e7b in  () at /usr/lib/libQt5Quick.so.5
#7  0x00007f5a5358896c in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f5a52687a9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f5a53272b23 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f5a3ffff700 (LWP 937)):
#0  0x00007f5a5268dafc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f5a44adac84 in  () at /usr/lib/dri/i965_dri.so
#2  0x00007f5a44ada9a8 in  () at /usr/lib/dri/i965_dri.so
#3  0x00007f5a52687a9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f5a53272b23 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f5a46dee700 (LWP 778)):
#0  0x00007f5a532637a4 in read () at /usr/lib/libc.so.6
#1  0x00007f5a516e5971 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f5a517360b0 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f5a517374e6 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f5a5173762e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#5  0x00007f5a5379ad04 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#6  0x00007f5a53743b2c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#7  0x00007f5a53587569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f5a54f8c969 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007f5a5358896c in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f5a52687a9d in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f5a53272b23 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f5a47fff700 (LWP 718)):
#0  0x00007f5a516e53b9 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f5a51736e17 in g_main_context_prepare () at
/usr/lib/libglib-2.0.so.0
#2  0x00007f5a51737466 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f5a5173762e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#4  0x00007f5a5379ad04 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#5  0x00007f5a53743b2c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#6  0x00007f5a53587569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f5a54023ba6 in  () at /usr/lib/libQt5DBus.so.5
#8  0x00007f5a5358896c in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f5a52687a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f5a53272b23 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f5a4d1e2700 (LWP 690)):
#0  0x00007f5a53267c21 in poll () at /usr/lib/libc.so.6
#1  0x00007f5a556ce630 in  () at /usr/lib/libxcb.so.1
#2  0x00007f5a556d02db in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f5a4db85949 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f5a5358896c in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f5a52687a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f5a53272b23 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f5a4e234680 (LWP 671)):
[KCrash Handler]
#6  0x00007f5a0e85d869 in  () at
/usr/lib/qt/plugins/plasma/applets/plasma_applet_kscreen.so
#7  0x00007f5a0e85da7f in  () at
/usr/lib/qt/plugins/plasma/applets/plasma_applet_kscreen.so
#8  0x00007f5a0e85dd11 in  () at
/usr/lib/qt/plugins/plasma/applets/plasma_applet_kscreen.so
#9  0x00007f5a54f30e0e in  () at /usr/lib/libQt5Qml.so.5
#10 0x00007f5a54e33d32 in  () at /usr/lib/libQt5Qml.so.5
#11 0x00007f5a54e353e5 in  () at /usr/lib/libQt5Qml.so.5
#12 0x00007f5a54e3606f in QV4::QObjectMethod::callInternal(QV4::Value const*,
QV4::Value const*, int) const () at /usr/lib/libQt5Qml.so.5
#13 0x00007f5a54ebcc45 in
QV4::Runtime::method_callProperty(QV4::ExecutionEngine*, QV4::Value*, int,
QV4::Value*, int) () at /usr/lib/libQt5Qml.so.5
#14 0x00007f5a54e4f527 in  () at /usr/lib/libQt5Qml.so.5
#15 0x00007f5a54e542ff in  () at /usr/lib/libQt5Qml.so.5
#16 0x00007f5a54de6509 in  () at /usr/lib/libQt5Qml.so.5
#17 0x00007f5a54dc4883 in  () at /usr/lib/libQt5Qml.so.5
#18 0x00007f5a54ebcc45 in
QV4::Runtime::method_callProperty(QV4::ExecutionEngine*, QV4::Value*, int,
QV4::Value*, int) () at /usr/lib/libQt5Qml.so.5
#19 0x00007f5a54e4f527 in  () at /usr/lib/libQt5Qml.so.5
#20 0x00007f5a54e542ff in  () at /usr/lib/libQt5Qml.so.5
#21 0x00007f5a54de597c in QV4::Function::call(QV4::Value const*, QV4::Value
const*, int, QV4::ExecutionContext const*) () at /usr/lib/libQt5Qml.so.5
#22 0x00007f5a54f5a2c8 in QQmlJavaScriptExpression::evaluate(QV4::CallData*,
bool*) () at /usr/lib/libQt5Qml.so.5
#23 0x00007f5a54f5f0b2 in QQmlBinding::evaluate(bool*) () at
/usr/lib/libQt5Qml.so.5
#24 0x00007f5a54f63b93 in  () at /usr/lib/libQt5Qml.so.5
#25 0x00007f5a54f603f3 in
QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at
/usr/lib/libQt5Qml.so.5
#26 0x00007f5a54f6da44 in
QQmlObjectCreator::finalize(QQmlInstantiationInterrupt&) () at
/usr/lib/libQt5Qml.so.5
#27 0x00007f5a54ef806b in  () at /usr/lib/libQt5Qml.so.5
#28 0x00007f5a54ef8657 in QQmlEnginePrivate::incubate(QQmlIncubator&,
QQmlContextData*) () at /usr/lib/libQt5Qml.so.5
#29 0x00007f5a54ef4f77 in QQmlComponent::create(QQmlIncubator&, QQmlContext*,
QQmlContext*) () at /usr/lib/libQt5Qml.so.5
#30 0x00007f5a555dbbb5 in
KDeclarative::QmlObject::completeInitialization(QHash<QString, QVariant>
const&) () at /usr/lib/libKF5Declarative.so.5
#31 0x00007f5a55a7ca33 in PlasmaQuick::AppletQuickItem::init() () at
/usr/lib/libKF5PlasmaQuick.so.5
#32 0x00007f5a4c14d5a1 in  () at
/usr/lib/qt/plugins/plasma/scriptengines/plasma_appletscript_declarative.so
#33 0x00007f5a55a7dfa8 in
PlasmaQuick::AppletQuickItem::itemChange(QQuickItem::ItemChange,
QQuickItem::ItemChangeData const&) () at /usr/lib/libKF5PlasmaQuick.so.5
#34 0x00007f5a55319f74 in QQuickItemPrivate::itemChange(QQuickItem::ItemChange,
QQuickItem::ItemChangeData const&) () at /usr/lib/libQt5Quick.so.5
#35 0x00007f5a5531dace in QQuickItemPrivate::refWindow(QQuickWindow*) () at
/usr/lib/libQt5Quick.so.5
#36 0x00007f5a553205f9 in QQuickItem::setParentItem(QQuickItem*) () at
/usr/lib/libQt5Quick.so.5
#37 0x00007f5a55324744 in  () at /usr/lib/libQt5Quick.so.5
#38 0x00007f5a55324c4b in QQuickItem::qt_metacall(QMetaObject::Call, int,
void**) () at /usr/lib/libQt5Quick.so.5
#39 0x00007f5a55a7e036 in
PlasmaQuick::AppletQuickItem::qt_metacall(QMetaObject::Call, int, void**) () at
/usr/lib/libKF5PlasmaQuick.so.5
#40 0x00007f5a4c14e336 in  () at
/usr/lib/qt/plugins/plasma/scriptengines/plasma_appletscript_declarative.so
#41 0x00007f5a5375237f in QMetaProperty::write(QObject*, QVariant const&) const
() at /usr/lib/libQt5Core.so.5
#42 0x00007f5a537772b2 in QObject::setProperty(char const*, QVariant const&) ()
at /usr/lib/libQt5Core.so.5
#43 0x00007f5a4c152fa5 in  () at
/usr/lib/qt/plugins/plasma/scriptengines/plasma_appletscript_declarative.so
#44 0x00007f5a5376f9d0 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#45 0x00007f5a5561cd50 in Plasma::Containment::appletAdded(Plasma::Applet*) ()
at /usr/lib/libKF5Plasma.so.5
#46 0x00007f5a5561eaed in Plasma::Containment::addApplet(Plasma::Applet*) () at
/usr/lib/libKF5Plasma.so.5
#47 0x00007f5a55630913 in  () at /usr/lib/libKF5Plasma.so.5
#48 0x00007f5a5561d505 in Plasma::Containment::createApplet(QString const&,
QList<QVariant> const&) () at /usr/lib/libKF5Plasma.so.5
#49 0x00007f5a4c150bd3 in  () at
/usr/lib/qt/plugins/plasma/scriptengines/plasma_appletscript_declarative.so
#50 0x00007f5a4c15a5e1 in  () at
/usr/lib/qt/plugins/plasma/scriptengines/plasma_appletscript_declarative.so
#51 0x00007f5a53770152 in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#52 0x00007f5a5531efbc in QQuickItem::event(QEvent*) () at
/usr/lib/libQt5Quick.so.5
#53 0x00007f5a4c14d8f7 in  () at
/usr/lib/qt/plugins/plasma/scriptengines/plasma_appletscript_declarative.so
#54 0x00007f5a54284e24 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#55 0x00007f5a5428c6e1 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#56 0x00007f5a53744e99 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#57 0x00007f5a53747f38 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#58 0x00007f5a5379b714 in  () at /usr/lib/libQt5Core.so.5
#59 0x00007f5a51735a2f in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#60 0x00007f5a517375e9 in  () at /usr/lib/libglib-2.0.so.0
#61 0x00007f5a5173762e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#62 0x00007f5a5379ace9 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#63 0x00007f5a53743b2c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#64 0x00007f5a5374be36 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#65 0x00005571e6acbd2e in  ()
#66 0x00007f5a5319b223 in __libc_start_main () at /usr/lib/libc.so.6
#67 0x00005571e6acc1de in _start ()
[Inferior 1 (process 671) detached]

Reported using DrKonqi

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