Application: plasmashell (5.18.5)

Qt Version: 5.14.2
Frameworks Version: 5.70.0
Operating System: Linux 5.3.0-51-generic x86_64
Windowing system: X11
Distribution: KDE neon User Edition 5.18

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

KDE NEON 
i loged in, for a few seconds i see the desktop icons an the taskbar.
than i get a black screen, no taskbar, no icons.
but i see the mouse and can us it.
i us plank and it works too.

-- 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 0x7f8a3561f1c0 (LWP 2541))]

Thread 10 (Thread 0x7f89d9508700 (LWP 2552)):
#0  0x00007f8a2bd5d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5605bfed1044) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5605bfed0ff0, cond=0x5605bfed1018) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5605bfed1018, mutex=0x5605bfed0ff0) at pthread_cond_wait.c:655
#3  0x00007f8a2f0db1db in QWaitConditionPrivate::wait (deadline=..., this=0x5605bfed0ff0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x5605c0455ed0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f8a2f0db359 in QWaitCondition::wait (this=this@entry=0x5605c0455ed8, mutex=mutex@entry=0x5605c0455ed0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f8a331de233 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x5605c0455ec8) at scenegraph/qsgthreadedrenderloop.cpp:255
#7  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x5605c0455e30) at scenegraph/qsgthreadedrenderloop.cpp:905
#8  0x00007f8a331de691 in QSGRenderThread::run (this=0x5605c0455e30) at scenegraph/qsgthreadedrenderloop.cpp:1000
#9  0x00007f8a2f0d4c2c in QThreadPrivate::start (arg=0x5605c0455e30) at thread/qthread_unix.cpp:342
#10 0x00007f8a2bd576db in start_thread (arg=0x7f89d9508700) at pthread_create.c:463
#11 0x00007f8a2e9c988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f89dbfff700 (LWP 2551)):
#0  0x00007f8a2e9bcbf9 in __GI___poll (fds=0x7f89d4002de0, nfds=1, timeout=9059) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f8a288415c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8a288416dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8a2f3237cb in QEventDispatcherGlib::processEvents (this=0x7f89d4000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f8a2f2c2d2a in QEventLoop::exec (this=this@entry=0x7f89dbffeda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007f8a2f0d3757 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#6  0x00007f8a2f0d4c2c in QThreadPrivate::start (arg=0x5605bfa7d790) at thread/qthread_unix.cpp:342
#7  0x00007f8a2bd576db in start_thread (arg=0x7f89dbfff700) at pthread_create.c:463
#8  0x00007f8a2e9c988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f89e22a4700 (LWP 2548)):
#0  __libc_enable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:67
#1  0x00007f8a2e9b80a5 in __GI___libc_read (fd=31, buf=0x7f89e22a3b50, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#2  0x00007f8a288862b0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8a288410b7 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8a28841570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8a288416dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f8a2f3237cb in QEventDispatcherGlib::processEvents (this=0x7f89dc000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#7  0x00007f8a2f2c2d2a in QEventLoop::exec (this=this@entry=0x7f89e22a3d60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#8  0x00007f8a2f0d3757 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#9  0x00007f89e4c03467 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#10 0x00007f8a2f0d4c2c in QThreadPrivate::start (arg=0x5605bf7d6e30) at thread/qthread_unix.cpp:342
#11 0x00007f8a2bd576db in start_thread (arg=0x7f89e22a4700) at pthread_create.c:463
#12 0x00007f8a2e9c988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f89fb4ca700 (LWP 2547)):
#0  0x00007f8a2bd5d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5605bdae3480) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5605bdae3430, cond=0x5605bdae3458) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5605bdae3458, mutex=0x5605bdae3430) at pthread_cond_wait.c:655
#3  0x00007f8a2f0db1db in QWaitConditionPrivate::wait (deadline=..., this=0x5605bdae3430) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x5605bdae3380, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f8a2f0db359 in QWaitCondition::wait (this=this@entry=0x5605bdae3388, mutex=mutex@entry=0x5605bdae3380, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f8a331de233 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x5605bdae3378) at scenegraph/qsgthreadedrenderloop.cpp:255
#7  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x5605bdae32e0) at scenegraph/qsgthreadedrenderloop.cpp:905
#8  0x00007f8a331de691 in QSGRenderThread::run (this=0x5605bdae32e0) at scenegraph/qsgthreadedrenderloop.cpp:1000
#9  0x00007f8a2f0d4c2c in QThreadPrivate::start (arg=0x5605bdae32e0) at thread/qthread_unix.cpp:342
#10 0x00007f8a2bd576db in start_thread (arg=0x7f89fb4ca700) at pthread_create.c:463
#11 0x00007f8a2e9c988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f89fbccb700 (LWP 2546)):
#0  0x00007f8a28887644 in g_mutex_unlock () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8a28840dc9 in g_main_context_query () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8a28841547 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8a288416dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8a2f3237cb in QEventDispatcherGlib::processEvents (this=0x7f89f4000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f8a2f2c2d2a in QEventLoop::exec (this=this@entry=0x7f89fbccad30, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#6  0x00007f8a2f0d3757 in QThread::exec (this=this@entry=0x7f8a0c0882b0) at thread/qthread.cpp:536
#7  0x00007f8a33120b06 in QQuickPixmapReader::run (this=0x7f8a0c0882b0) at util/qquickpixmapcache.cpp:987
#8  0x00007f8a2f0d4c2c in QThreadPrivate::start (arg=0x7f8a0c0882b0) at thread/qthread_unix.cpp:342
#9  0x00007f8a2bd576db in start_thread (arg=0x7f89fbccb700) at pthread_create.c:463
#10 0x00007f8a2e9c988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f8a09d9e700 (LWP 2545)):
#0  0x00007f8a2bd5d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5605bd5365d8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5605bd536588, cond=0x5605bd5365b0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5605bd5365b0, mutex=0x5605bd536588) at pthread_cond_wait.c:655
#3  0x00007f8a0b43becb in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f8a0b43bac7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f8a2bd576db in start_thread (arg=0x7f8a09d9e700) at pthread_create.c:463
#6  0x00007f8a2e9c988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f8a17bc0700 (LWP 2544)):
#0  0x00007f8a2e9bcbf9 in __GI___poll (fds=0x7f8a0c0029e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f8a288415c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8a288416dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8a2f3237cb in QEventDispatcherGlib::processEvents (this=0x7f8a0c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f8a2f2c2d2a in QEventLoop::exec (this=this@entry=0x7f8a17bbfd80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007f8a2f0d3757 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#6  0x00007f8a32c8afc5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f8a2f0d4c2c in QThreadPrivate::start (arg=0x5605bd39d9a0) at thread/qthread_unix.cpp:342
#8  0x00007f8a2bd576db in start_thread (arg=0x7f8a17bc0700) at pthread_create.c:463
#9  0x00007f8a2e9c988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f8a1dd50700 (LWP 2543)):
#0  0x00007f8a2883e4aa in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8a28840ef2 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8a28841570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8a288416dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8a2f3237cb in QEventDispatcherGlib::processEvents (this=0x7f8a10000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f8a2f2c2d2a in QEventLoop::exec (this=this@entry=0x7f8a1dd4fd70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#6  0x00007f8a2f0d3757 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#7  0x00007f8a30fd1555 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007f8a2f0d4c2c in QThreadPrivate::start (arg=0x7f8a31249da0) at thread/qthread_unix.cpp:342
#9  0x00007f8a2bd576db in start_thread (arg=0x7f8a1dd50700) at pthread_create.c:463
#10 0x00007f8a2e9c988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f8a201bb700 (LWP 2542)):
#0  0x00007f8a2e9bcbf9 in __GI___poll (fds=0x7f8a201baca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f8a33df0747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f8a33df236a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f8a2297cfd0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f8a2f0d4c2c in QThreadPrivate::start (arg=0x5605bd1355f0) at thread/qthread_unix.cpp:342
#5  0x00007f8a2bd576db in start_thread (arg=0x7f8a201bb700) at pthread_create.c:463
#6  0x00007f8a2e9c988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f8a3561f1c0 (LWP 2541)):
[KCrash Handler]
#4  QArrayData::data (this=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qarraydata.h:61
#5  QTypedArrayData<QQuickItemPrivate::ChangeListener>::data (this=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qarraydata.h:208
#6  QTypedArrayData<QQuickItemPrivate::ChangeListener>::begin (this=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qarraydata.h:211
#7  QVector<QQuickItemPrivate::ChangeListener>::realloc (this=this@entry=0x5605bf0aacd8, aalloc=<optimized out>, options=..., options@entry=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qvector.h:720
#8  0x00007f8a33221501 in QVector<QQuickItemPrivate::ChangeListener>::detach (this=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qvector.h:411
#9  QVector<QQuickItemPrivate::ChangeListener>::erase (aend=<optimized out>, abegin=<optimized out>, this=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qvector.h:923
#10 QVector<QQuickItemPrivate::ChangeListener>::remove (i=<optimized out>, this=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qvector.h:484
#11 QVector<QQuickItemPrivate::ChangeListener>::removeOne (t=..., this=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qvector.h:185
#12 QQuickItemPrivate::removeItemChangeListener (this=this@entry=0x5605bf0aac60, listener=listener@entry=0x5605bd396c50, types=..., types@entry=...) at items/qquickitem.cpp:3955
#13 0x00007f8a33356ada in QQuickShaderEffectSource::~QQuickShaderEffectSource (this=0x5605bd396c30, __in_chrg=<optimized out>) at items/qquickshadereffectsource.cpp:213
#14 0x00007f8a33356b39 in QQuickShaderEffectSource::~QQuickShaderEffectSource (this=0x5605bd396c30, __in_chrg=<optimized out>) at items/qquickshadereffectsource.cpp:218
#15 0x00007f89fdaad67b in QGfxSourceProxy::~QGfxSourceProxy (this=0x5605bf0e3ae0, __in_chrg=<optimized out>) at qgfxsourceproxy.cpp:59
#16 0x00007f89fdaa8575 in QQmlPrivate::QQmlElement<QGfxSourceProxy>::~QQmlElement (this=0x5605bf0e3ae0, __in_chrg=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtQml/qqmlprivate.h:111
#17 QQmlPrivate::QQmlElement<QGfxSourceProxy>::~QQmlElement (this=0x5605bf0e3ae0, __in_chrg=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtQml/qqmlprivate.h:111
#18 0x00007f8a2f2f3ceb in QObjectPrivate::deleteChildren (this=0x5605bf0e3570) at kernel/qobject.cpp:2123
#19 0x00007f8a2f2fd2ce in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#20 0x00007f8a3322622d in QQuickItem::~QQuickItem (this=0x5605bd867360, __in_chrg=<optimized out>) at items/qquickitem.cpp:2383
#21 0x00007f8a33246bb5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x5605bd867360, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#22 QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x5605bd867360, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#23 0x00007f8a2f2f3ceb in QObjectPrivate::deleteChildren (this=0x5605bd867130) at kernel/qobject.cpp:2123
#24 0x00007f8a2f2fd2ce in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#25 0x00007f8a3322622d in QQuickItem::~QQuickItem (this=0x5605bd867070, __in_chrg=<optimized out>) at items/qquickitem.cpp:2383
#26 0x00007f8a33246bb5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x5605bd867070, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#27 QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x5605bd867070, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#28 0x00007f8a2f2f3ceb in QObjectPrivate::deleteChildren (this=0x5605bd867990) at kernel/qobject.cpp:2123
#29 0x00007f8a2f2fd2ce in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#30 0x00007f8a3322622d in QQuickItem::~QQuickItem (this=0x5605bd8678d0, __in_chrg=<optimized out>) at items/qquickitem.cpp:2383
#31 0x00007f8a33246bb5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x5605bd8678d0, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#32 QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x5605bd8678d0, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#33 0x00007f8a2f2f3ceb in QObjectPrivate::deleteChildren (this=0x5605bdaaedc0) at kernel/qobject.cpp:2123
#34 0x00007f8a2f2fd2ce in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#35 0x00007f8a3322622d in QQuickItem::~QQuickItem (this=0x5605bf0a9be0, __in_chrg=<optimized out>) at items/qquickitem.cpp:2383
#36 0x00007f8a33246dd5 in QQmlPrivate::QQmlElement<QQuickLoader>::~QQmlElement (this=0x5605bf0a9be0, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#37 QQmlPrivate::QQmlElement<QQuickLoader>::~QQmlElement (this=0x5605bf0a9be0, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#38 0x00007f8a2f2f3ceb in QObjectPrivate::deleteChildren (this=0x5605bd89b580) at kernel/qobject.cpp:2123
#39 0x00007f8a2f2fd2ce in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#40 0x00007f8a3322622d in QQuickItem::~QQuickItem (this=0x5605bf0a5f10, __in_chrg=<optimized out>) at items/qquickitem.cpp:2383
#41 0x00007f8a33246bb5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x5605bf0a5f10, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#42 QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x5605bf0a5f10, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#43 0x00007f8a2f2f3ceb in QObjectPrivate::deleteChildren (this=0x5605bd5b6e20) at kernel/qobject.cpp:2123
#44 0x00007f8a2f2fd2ce in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#45 0x00007f8a3322622d in QQuickItem::~QQuickItem (this=0x5605bf0a4a50, __in_chrg=<optimized out>) at items/qquickitem.cpp:2383
#46 0x00007f8a33246dd5 in QQmlPrivate::QQmlElement<QQuickLoader>::~QQmlElement (this=0x5605bf0a4a50, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#47 QQmlPrivate::QQmlElement<QQuickLoader>::~QQmlElement (this=0x5605bf0a4a50, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#48 0x00007f8a2f2f3ceb in QObjectPrivate::deleteChildren (this=0x5605bd9e9700) at kernel/qobject.cpp:2123
#49 0x00007f8a2f2fd2ce in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#50 0x00007f8a3322622d in QQuickItem::~QQuickItem (this=0x5605bf0a4510, __in_chrg=<optimized out>) at items/qquickitem.cpp:2383
#51 0x00007f8a33246bb5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x5605bf0a4510, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#52 QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x5605bf0a4510, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#53 0x00007f8a2f2f75a5 in QObject::event (this=this@entry=0x5605bf0a4510, e=e@entry=0x5605bd24a740) at kernel/qobject.cpp:1326
#54 0x00007f8a332234db in QQuickItem::event (this=0x5605bf0a4510, ev=0x5605bd24a740) at items/qquickitem.cpp:8162
#55 0x00007f8a306089ac in QApplicationPrivate::notify_helper (this=this@entry=0x5605bd133720, receiver=receiver@entry=0x5605bf0a4510, e=e@entry=0x5605bd24a740) at kernel/qapplication.cpp:3685
#56 0x00007f8a3060fbb0 in QApplication::notify (this=0x7fff5057d350, receiver=0x5605bf0a4510, e=0x5605bd24a740) at kernel/qapplication.cpp:3431
#57 0x00007f8a2f2c44a8 in QCoreApplication::notifyInternal2 (receiver=0x5605bf0a4510, event=0x5605bd24a740) at kernel/qcoreapplication.cpp:1075
#58 0x00007f8a2f2c467e in QCoreApplication::sendEvent (receiver=receiver@entry=0x5605bf0a4510, event=event@entry=0x5605bd24a740) at kernel/qcoreapplication.cpp:1470
#59 0x00007f8a2f2c7121 in QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x5605bd128b00) at kernel/qcoreapplication.cpp:1815
#60 0x00007f8a2f2c76b8 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1674
#61 0x00007f8a2f324103 in postEventSourceDispatch (s=0x5605bd192fb0) at kernel/qeventdispatcher_glib.cpp:277
#62 0x00007f8a28841417 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#63 0x00007f8a28841650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#64 0x00007f8a288416dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#65 0x00007f8a2f3237ac in QEventDispatcherGlib::processEvents (this=0x5605bd1969e0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#66 0x00007f8a2f2c2d2a in QEventLoop::exec (this=this@entry=0x7fff5057d200, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#67 0x00007f8a2f2cc4a0 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1383
#68 0x00005605bcbc7894 in main (argc=<optimized out>, argv=<optimized out>) at ./shell/main.cpp:228

Possible duplicates by query: bug 421409, bug 421291, bug 421085.

Reported using DrKonqi