https://bugs.kde.org/show_bug.cgi?id=394688

            Bug ID: 394688
           Summary: Toolbar Crashes When Clicking on Start Icon
           Product: plasmashell
           Version: 5.12.5
          Platform: openSUSE RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: samex...@gmail.com
                CC: plasma-b...@kde.org
  Target Milestone: 1.0

Application: plasmashell (5.12.5)

Qt Version: 5.10.0
Frameworks Version: 5.46.0
Operating System: Linux 4.16.10-1-default x86_64
Distribution: "openSUSE Tumbleweed"

-- Information about the crash:
- What I was doing when the application crashed:
Clicked on the start icon after starting an application

- Unusual behavior I noticed:
Toolbar disappeared and the desktop reset.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa98c5335c0 (LWP 6809))]

Thread 20 (Thread 0x7fa8713fb700 (LWP 12769)):
#0  0x00007fa98515056c in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa985fa5efb in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x558b19da2c00) at
thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x7fa970039118,
mutex=mutex@entry=0x7fa970039110, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:215
#3  0x00007fa989d52ac8 in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x7fa970039108) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:245
#4  QSGRenderThread::processEventsAndWaitForMore
(this=this@entry=0x7fa970039090) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:708
#5  0x00007fa989d52efa in QSGRenderThread::run (this=0x7fa970039090) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:737
#6  0x00007fa985fa4ba0 in QThreadPrivate::start (arg=0x7fa970039090) at
thread/qthread_unix.cpp:376
#7  0x00007fa98514a59b in start_thread () from /lib64/libpthread.so.0
#8  0x00007fa98589da1f in clone () from /lib64/libc.so.6

Thread 19 (Thread 0x7fa873fff700 (LWP 12768)):
#0  0x00007fa98515056c in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa985fa5efb in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x558b19f963d0) at
thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x558b15c193d8,
mutex=mutex@entry=0x558b15c193d0, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:215
#3  0x00007fa989d52ac8 in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x558b15c193c8) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:245
#4  QSGRenderThread::processEventsAndWaitForMore
(this=this@entry=0x558b15c19350) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:708
#5  0x00007fa989d52efa in QSGRenderThread::run (this=0x558b15c19350) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:737
#6  0x00007fa985fa4ba0 in QThreadPrivate::start (arg=0x558b15c19350) at
thread/qthread_unix.cpp:376
#7  0x00007fa98514a59b in start_thread () from /lib64/libpthread.so.0
#8  0x00007fa98589da1f in clone () from /lib64/libc.so.6

Thread 18 (Thread 0x7fa893d70700 (LWP 12767)):
#0  0x00007fa98515056c in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa985fa5efb in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x558b1882afb0) at
thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x558b1883dbd8,
mutex=mutex@entry=0x558b1883dbd0, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:215
#3  0x00007fa989d52ac8 in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x558b1883dbc8) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:245
#4  QSGRenderThread::processEventsAndWaitForMore
(this=this@entry=0x558b1883db50) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:708
#5  0x00007fa989d52efa in QSGRenderThread::run (this=0x558b1883db50) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:737
#6  0x00007fa985fa4ba0 in QThreadPrivate::start (arg=0x558b1883db50) at
thread/qthread_unix.cpp:376
#7  0x00007fa98514a59b in start_thread () from /lib64/libpthread.so.0
#8  0x00007fa98589da1f in clone () from /lib64/libc.so.6

Thread 17 (Thread 0x7fa895072700 (LWP 12766)):
#0  0x00007fa98515056c in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa985fa5efb in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x558b180cdf60) at
thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x558b18778b08,
mutex=mutex@entry=0x558b18778b00, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:215
#3  0x00007fa989d52ac8 in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x558b18778af8) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:245
#4  QSGRenderThread::processEventsAndWaitForMore
(this=this@entry=0x558b18778a80) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:708
#5  0x00007fa989d52efa in QSGRenderThread::run (this=0x558b18778a80) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:737
#6  0x00007fa985fa4ba0 in QThreadPrivate::start (arg=0x558b18778a80) at
thread/qthread_unix.cpp:376
#7  0x00007fa98514a59b in start_thread () from /lib64/libpthread.so.0
#8  0x00007fa98589da1f in clone () from /lib64/libc.so.6

Thread 16 (Thread 0x7fa895ad6700 (LWP 7906)):
#0  0x00007fa98515056c in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa985fa5efb in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x7fa860007a90) at
thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x7fa860023e28,
mutex=mutex@entry=0x7fa860023e20, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:215
#3  0x00007fa989d52ac8 in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x7fa860023e18) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:245
#4  QSGRenderThread::processEventsAndWaitForMore
(this=this@entry=0x7fa860023da0) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:708
#5  0x00007fa989d52efa in QSGRenderThread::run (this=0x7fa860023da0) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:737
#6  0x00007fa985fa4ba0 in QThreadPrivate::start (arg=0x7fa860023da0) at
thread/qthread_unix.cpp:376
#7  0x00007fa98514a59b in start_thread () from /lib64/libpthread.so.0
#8  0x00007fa98589da1f in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x7fa8737fe700 (LWP 7905)):
#0  0x00007fa985893179 in poll () from /lib64/libc.so.6
#1  0x00007fa97bbea8a1 in ?? () from /usr/lib64/libpulse.so.0
#2  0x00007fa97bbdc260 in pa_mainloop_poll () from /usr/lib64/libpulse.so.0
#3  0x00007fa97bbdc8f0 in pa_mainloop_iterate () from /usr/lib64/libpulse.so.0
#4  0x00007fa97bbdc980 in pa_mainloop_run () from /usr/lib64/libpulse.so.0
#5  0x00007fa97bbea7e9 in ?? () from /usr/lib64/libpulse.so.0
#6  0x00007fa97b153438 in ?? () from
/usr/lib64/pulseaudio/libpulsecommon-11.99.so
#7  0x00007fa98514a59b in start_thread () from /lib64/libpthread.so.0
#8  0x00007fa98589da1f in clone () from /lib64/libc.so.6

Thread 14 (Thread 0x7fa8913c5700 (LWP 7904)):
#0  0x00007fa98588ebf4 in read () from /lib64/libc.so.6
#1  0x00007fa97fee2ab0 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fa97fe9df17 in g_main_context_check () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007fa97fe9e3d0 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fa97fe9e53c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#5  0x00007fa9861d1a2b in QEventDispatcherGlib::processEvents
(this=0x7fa87801d5e0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007fa98617895a in QEventLoop::exec (this=this@entry=0x7fa8913c4d60,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#7  0x00007fa985f9fbaa in QThread::exec (this=this@entry=0x558b1830a5e0) at
thread/qthread.cpp:522
#8  0x00007fa989879115 in QQmlThreadPrivate::run (this=0x558b1830a5e0) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/qml/qml/ftw/qqmlthread.cpp:147
#9  0x00007fa985fa4ba0 in QThreadPrivate::start (arg=0x558b1830a5e0) at
thread/qthread_unix.cpp:376
#10 0x00007fa98514a59b in start_thread () from /lib64/libpthread.so.0
#11 0x00007fa98589da1f in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x7fa891bc6700 (LWP 7013)):
#0  0x00007fa98515056c in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa985fa5efb in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x558b180b6520) at
thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x558b17237848,
mutex=mutex@entry=0x558b17237840, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:215
#3  0x00007fa989d52ac8 in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x558b17237838) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:245
#4  QSGRenderThread::processEventsAndWaitForMore
(this=this@entry=0x558b172377c0) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:708
#5  0x00007fa989d52efa in QSGRenderThread::run (this=0x558b172377c0) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:737
#6  0x00007fa985fa4ba0 in QThreadPrivate::start (arg=0x558b172377c0) at
thread/qthread_unix.cpp:376
#7  0x00007fa98514a59b in start_thread () from /lib64/libpthread.so.0
#8  0x00007fa98589da1f in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7fa872ffd700 (LWP 7012)):
#0  0x00007fa98515056c in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa985fa5efb in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x558b1711ae90) at
thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x558b180bda38,
mutex=mutex@entry=0x558b180bda30, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:215
#3  0x00007fa989d52ac8 in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x558b180bda28) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:245
#4  QSGRenderThread::processEventsAndWaitForMore
(this=this@entry=0x558b180bd9b0) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:708
#5  0x00007fa989d52efa in QSGRenderThread::run (this=0x558b180bd9b0) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:737
#6  0x00007fa985fa4ba0 in QThreadPrivate::start (arg=0x558b180bd9b0) at
thread/qthread_unix.cpp:376
#7  0x00007fa98514a59b in start_thread () from /lib64/libpthread.so.0
#8  0x00007fa98589da1f in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7fa892a26700 (LWP 6964)):
#0  0x00007fa98515056c in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa985fa5efb in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x558b186dc990) at
thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x558b1854ad08,
mutex=mutex@entry=0x558b1854ad00, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:215
#3  0x00007fa989d52ac8 in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x558b1854acf8) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:245
#4  QSGRenderThread::processEventsAndWaitForMore
(this=this@entry=0x558b1854ac80) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:708
#5  0x00007fa989d52efa in QSGRenderThread::run (this=0x558b1854ac80) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:737
#6  0x00007fa985fa4ba0 in QThreadPrivate::start (arg=0x558b1854ac80) at
thread/qthread_unix.cpp:376
#7  0x00007fa98514a59b in start_thread () from /lib64/libpthread.so.0
#8  0x00007fa98589da1f in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7fa8727fc700 (LWP 6963)):
#0  0x00007fa98515056c in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa985fa5efb in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x558b185e5640) at
thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x558b1854e808,
mutex=mutex@entry=0x558b1854e800, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:215
#3  0x00007fa989d52ac8 in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x558b1854e7f8) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:245
#4  QSGRenderThread::processEventsAndWaitForMore
(this=this@entry=0x558b1854e780) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:708
#5  0x00007fa989d52efa in QSGRenderThread::run (this=0x558b1854e780) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:737
#6  0x00007fa985fa4ba0 in QThreadPrivate::start (arg=0x558b1854e780) at
thread/qthread_unix.cpp:376
#7  0x00007fa98514a59b in start_thread () from /lib64/libpthread.so.0
#8  0x00007fa98589da1f in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7fa8af9f5700 (LWP 6941)):
#0  0x00007fa98515056c in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa985fa5efb in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x558b178a1ad0) at
thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x558b178a36e8,
mutex=mutex@entry=0x558b178a36e0, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:215
#3  0x00007fa989d52ac8 in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x558b178a36d8) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:245
#4  QSGRenderThread::processEventsAndWaitForMore
(this=this@entry=0x558b178a3660) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:708
#5  0x00007fa989d52efa in QSGRenderThread::run (this=0x558b178a3660) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:737
#6  0x00007fa985fa4ba0 in QThreadPrivate::start (arg=0x558b178a3660) at
thread/qthread_unix.cpp:376
#7  0x00007fa98514a59b in start_thread () from /lib64/libpthread.so.0
#8  0x00007fa98589da1f in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7fa8b677f700 (LWP 6916)):
#0  0x00007fa985893179 in poll () from /lib64/libc.so.6
#1  0x00007fa97fe9e429 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fa97fe9e53c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007fa9861d1a2b in QEventDispatcherGlib::processEvents
(this=0x7fa8b0000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fa98617895a in QEventLoop::exec (this=this@entry=0x7fa8b677ed40,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fa985f9fbaa in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:522
#6  0x00007fa8b904e887 in KCupsConnection::run() () from
/usr/lib64/libkcupslib.so
#7  0x00007fa985fa4ba0 in QThreadPrivate::start (arg=0x558b172d5d40) at
thread/qthread_unix.cpp:376
#8  0x00007fa98514a59b in start_thread () from /lib64/libpthread.so.0
#9  0x00007fa98589da1f in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7fa8d113d700 (LWP 6911)):
#0  0x00007fa98515056c in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa985fa5efb in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x558b16784f70) at
thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x558b15fa1ff8,
mutex=mutex@entry=0x558b15fa1ff0, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:215
#3  0x00007fa989d52ac8 in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x558b15fa1fe8) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:245
#4  QSGRenderThread::processEventsAndWaitForMore
(this=this@entry=0x558b15fa1f70) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:708
#5  0x00007fa989d52efa in QSGRenderThread::run (this=0x558b15fa1f70) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:737
#6  0x00007fa985fa4ba0 in QThreadPrivate::start (arg=0x558b15fa1f70) at
thread/qthread_unix.cpp:376
#7  0x00007fa98514a59b in start_thread () from /lib64/libpthread.so.0
#8  0x00007fa98589da1f in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7fa8d2912700 (LWP 6904)):
#0  0x00007fa97fee3e44 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fa97fe9d317 in g_main_context_acquire () from
/usr/lib64/libglib-2.0.so.0
#2  0x00007fa97fe9e2e5 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fa97fe9e53c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#4  0x00007fa9861d1a2b in QEventDispatcherGlib::processEvents
(this=0x7fa8cc000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fa98617895a in QEventLoop::exec (this=this@entry=0x7fa8d2911d20,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007fa985f9fbaa in QThread::exec (this=this@entry=0x558b167c3e20) at
thread/qthread.cpp:522
#7  0x00007fa989cd6b52 in QQuickPixmapReader::run (this=0x558b167c3e20) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/quick/util/qquickpixmapcache.cpp:887
#8  0x00007fa985fa4ba0 in QThreadPrivate::start (arg=0x558b167c3e20) at
thread/qthread_unix.cpp:376
#9  0x00007fa98514a59b in start_thread () from /lib64/libpthread.so.0
#10 0x00007fa98589da1f in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7fa9667e1700 (LWP 6878)):
#0  0x00007fa98515056c in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa98bc02614 in ?? () from /usr/lib64/libQt5Script.so.5
#2  0x00007fa98bc02659 in ?? () from /usr/lib64/libQt5Script.so.5
#3  0x00007fa98514a59b in start_thread () from /lib64/libpthread.so.0
#4  0x00007fa98589da1f in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7fa967fff700 (LWP 6876)):
#0  0x00007fa97fe9d444 in g_main_context_release () from
/usr/lib64/libglib-2.0.so.0
#1  0x00007fa97fe9e3e6 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fa97fe9e53c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007fa9861d1a2b in QEventDispatcherGlib::processEvents
(this=0x7fa95c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fa98617895a in QEventLoop::exec (this=this@entry=0x7fa967ffed60,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fa985f9fbaa in QThread::exec (this=this@entry=0x558b15da0c60) at
thread/qthread.cpp:522
#6  0x00007fa989879115 in QQmlThreadPrivate::run (this=0x558b15da0c60) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/qml/qml/ftw/qqmlthread.cpp:147
#7  0x00007fa985fa4ba0 in QThreadPrivate::start (arg=0x558b15da0c60) at
thread/qthread_unix.cpp:376
#8  0x00007fa98514a59b in start_thread () from /lib64/libpthread.so.0
#9  0x00007fa98589da1f in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7fa96df16700 (LWP 6870)):
#0  0x00007fa985893179 in poll () from /lib64/libc.so.6
#1  0x00007fa97fe9e429 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fa97fe9e53c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007fa9861d1a2b in QEventDispatcherGlib::processEvents
(this=0x7fa960000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fa98617895a in QEventLoop::exec (this=this@entry=0x7fa96df15d60,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fa985f9fbaa in QThread::exec (this=this@entry=0x558b15c79d00) at
thread/qthread.cpp:522
#6  0x00007fa989879115 in QQmlThreadPrivate::run (this=0x558b15c79d00) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/qml/qml/ftw/qqmlthread.cpp:147
#7  0x00007fa985fa4ba0 in QThreadPrivate::start (arg=0x558b15c79d00) at
thread/qthread_unix.cpp:376
#8  0x00007fa98514a59b in start_thread () from /lib64/libpthread.so.0
#9  0x00007fa98589da1f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fa96f95b700 (LWP 6829)):
#0  0x00007fa985893179 in poll () from /lib64/libc.so.6
#1  0x00007fa97fe9e429 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fa97fe9e53c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007fa9861d1a2b in QEventDispatcherGlib::processEvents
(this=0x7fa968000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fa98617895a in QEventLoop::exec (this=this@entry=0x7fa96f95ad50,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fa985f9fbaa in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:522
#6  0x00007fa987a3fa35 in ?? () from /usr/lib64/libQt5DBus.so.5
#7  0x00007fa985fa4ba0 in QThreadPrivate::start (arg=0x7fa987cafd60) at
thread/qthread_unix.cpp:376
#8  0x00007fa98514a59b in start_thread () from /lib64/libpthread.so.0
#9  0x00007fa98589da1f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fa98c5335c0 (LWP 6809)):
[KCrash Handler]
#6  QMetaObject::methodOffset (this=this@entry=0x0) at
kernel/qmetaobject.cpp:392
#7  0x00007fa9861a89ab in QMetaObject::activate (sender=0x558b19d77080,
signal_index=6, argv=0x0) at kernel/qobject.cpp:3813
#8  0x00007fa989629244 in non-virtual thunk to
VDMModelDelegateDataType::notify(QQmlAdaptorModel const&,
QList<QQmlDelegateModelItem*> const&, int, int, QVector<int> const&) const ()
from /usr/lib64/libQt5Qml.so.5
#9  0x00007fa98989c0ba in QQmlAdaptorModel::notify (roles=..., count=4,
index=0, items=..., this=<optimized out>) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/include/QtQml/5.10.0/QtQml/private/../../../../../src/qml/util/qqmladaptormodel_p.h:134
#10 QQmlDelegateModel::_q_itemsChanged (this=<optimized out>, index=0, count=4,
roles=...) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/qml/types/qqmldelegatemodel.cpp:1160
#11 0x00007fa9898a252c in QQmlDelegateModel::qt_static_metacall
(_o=_o@entry=0x558b18380de0, _c=_c@entry=QMetaObject::InvokeMetaMethod,
_id=_id@entry=12, _a=_a@entry=0x7ffc1781acd0) at
.moc/moc_qqmldelegatemodel_p.cpp:200
#12 0x00007fa9898a2925 in QQmlDelegateModel::qt_metacall (this=0x558b18380de0,
_c=QMetaObject::InvokeMetaMethod, _id=12, _a=0x7ffc1781acd0) at
.moc/moc_qqmldelegatemodel_p.cpp:335
#13 0x00007fa9861a831e in QMetaObject::activate
(sender=sender@entry=0x558b18840dc0, signalOffset=<optimized out>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc1781acd0)
at kernel/qobject.cpp:3781
#14 0x00007fa9861a8977 in QMetaObject::activate
(sender=sender@entry=0x558b18840dc0, m=m@entry=0x7fa9865d66a0
<QAbstractItemModel::staticMetaObject>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc1781acd0)
at kernel/qobject.cpp:3628
#15 0x00007fa9861189ac in QAbstractItemModel::dataChanged
(this=this@entry=0x558b18840dc0, _t1=..., _t2=..., _t3=...) at
.moc/moc_qabstractitemmodel.cpp:567
#16 0x00007fa8c99d3526 in FunnelModel::setSourceModel (this=0x558b18840dc0,
model=<optimized out>) at
/usr/src/debug/plasma5-desktop-5.12.5-2.1.x86_64/applets/kicker/plugin/funnelmodel.cpp:89
#17 0x00007fa8c99f338f in ForwardingModel::qt_static_metacall
(_o=_o@entry=0x558b18840dc0, _c=_c@entry=QMetaObject::WriteProperty,
_id=_id@entry=0, _a=_a@entry=0x7ffc1781af30) at
/usr/src/debug/plasma5-desktop-5.12.5-2.1.x86_64/build/applets/kicker/kickerplugin_autogen/7RBZBFH7CH/moc_forwardingmodel.cpp:147
#18 0x00007fa8c99f62d3 in ForwardingModel::qt_metacall (this=0x558b18840dc0,
_c=QMetaObject::WriteProperty, _id=0, _a=0x7ffc1781af30) at
/usr/src/debug/plasma5-desktop-5.12.5-2.1.x86_64/build/applets/kicker/kickerplugin_autogen/7RBZBFH7CH/moc_forwardingmodel.cpp:191
#19 0x00007fa9897d36b8 in QQmlVMEMetaObject::metaCall (this=<optimized out>,
o=<optimized out>, c=QMetaObject::WriteProperty, _id=<optimized out>,
a=0x7ffc1781af30) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/qml/qml/qqmlvmemetaobject.cpp:906
#20 0x00007fa9897e8460 in QQmlPropertyData::writeProperty (this=<optimized
out>, target=<optimized out>, value=<optimized out>, flags=...) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/include/QtQml/5.10.0/QtQml/private/../../../../../src/qml/qml/qqmlpropertycache_p.h:324
#21 0x00007fa9897e63b6 in QQmlPropertyPrivate::write
(object=object@entry=0x558b172b6200, property=..., value=...,
context=<optimized out>, flags=..., flags@entry=...) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/qml/qml/qqmlproperty.cpp:1222
#22 0x00007fa9897b0e6f in QV4::QObjectWrapper::setProperty
(engine=engine@entry=0x558b15da1520, object=object@entry=0x558b172b6200,
property=0x7fa95c3498f8, value=...) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/qml/jsruntime/qv4qobjectwrapper.cpp:550
#23 0x00007fa9897b18de in QV4::QObjectWrapper::setQmlProperty
(engine=0x558b15da1520, qmlContext=<optimized out>, object=0x558b172b6200,
name=<optimized out>, revisionMode=QV4::QObjectWrapper::IgnoreRevision,
value=...) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/qml/jsruntime/qv4qobjectwrapper.cpp:423
#24 0x00007fa9897b19cd in QV4::QObjectWrapper::put (m=0x7fa9673c05b8,
name=0x7fa9673c05b0, value=...) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/qml/jsruntime/qv4qobjectwrapper.cpp:697
#25 0x00007fa9897c144c in QV4::Object::put (v=..., name=<optimized out>,
this=<optimized out>) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/qml/jsruntime/qv4object_p.h:386
#26 QV4::Runtime::method_setProperty (engine=0x558b15da1520, object=...,
nameIndex=<optimized out>, value=...) at
/usr/src/debug/libqt5-qtdeclarative-5.10.0-2.2.x86_64/src/qml/jsruntime/qv4runtime.cpp:601
#27 0x00007fa8d00c97a7 in ?? ()
#28 0x0000000000000000 in ?? ()

Reported using DrKonqi

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