Bug 421654

Application: plasmashell (5.18.5)

Qt Version: 5.14.1
Frameworks Version: 5.70.0
Operating System: Linux 5.6.12-1-default x86_64
Windowing system: X11
Distribution: "openSUSE Tumbleweed"

-- Information about the crash:
why change programms that run until someone change it ?

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f7ee1609800 (LWP 2144))]

Thread 8 (Thread 0x7f7eb0ecb700 (LWP 2504)):
#0  0x00007f7ee2dee795 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f7ee39711db in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x55ff3ac953f0) at thread/qwaitcondition_unix.cpp:146
#2  0x00007f7ee39711db in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x7f7ed800abe0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f7ee3971299 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x7f7ed800abe8, mutex=mutex@entry=0x7f7ed800abe0, time=time@entry=18446744073709551615) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#4  0x00007f7ee567f59f in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x7f7ed800abd8) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:255
#5  0x00007f7ee567f59f in QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x7f7ed800ab40) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:905
#6  0x00007f7ee567f819 in QSGRenderThread::run() (this=0x7f7ed800ab40) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1000
#7  0x00007f7ee396b698 in QThreadPrivate::start(void*) (arg=0x7f7ed800ab40) at thread/qthread_unix.cpp:342
#8  0x00007f7ee2de7efa in start_thread () at /lib64/libpthread.so.0
#9  0x00007f7ee35f93bf in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f7eb1fb3700 (LWP 2498)):
#0  0x00007f7ee35eeacf in poll () at /lib64/libc.so.6
#1  0x00007f7ee20eb9de in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f7ee20ebaff in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f7ee3b97beb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f7eac000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f7ee3b3fb7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f7eb1fb2d60, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#5  0x00007f7ee396a5ce in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#6  0x00007f7ec14ffe68 in KCupsConnection::run() () at /usr/lib64/libkcupslib.so
#7  0x00007f7ee396b698 in QThreadPrivate::start(void*) (arg=0x55ff39f05b00) at thread/qthread_unix.cpp:342
#8  0x00007f7ee2de7efa in start_thread () at /lib64/libpthread.so.0
#9  0x00007f7ee35f93bf in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f7eca640700 (LWP 2492)):
#0  0x00007f7ee35eeacf in poll () at /lib64/libc.so.6
#1  0x00007f7ee20eb9de in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f7ee20ebaff in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f7ee3b97beb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f7ebc000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f7ee3b3fb7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f7eca63fd60, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#5  0x00007f7ee396a5ce in QThread::exec() (this=this@entry=0x7f7ed40887e0) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#6  0x00007f7ee55bd0e6 in QQuickPixmapReader::run() (this=0x7f7ed40887e0) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/src/quick/util/qquickpixmapcache.cpp:987
#7  0x00007f7ee396b698 in QThreadPrivate::start(void*) (arg=0x7f7ed40887e0) at thread/qthread_unix.cpp:342
#8  0x00007f7ee2de7efa in start_thread () at /lib64/libpthread.so.0
#9  0x00007f7ee35f93bf in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f7ecb0f1700 (LWP 2491)):
#0  0x00007f7ee2dee795 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f7ee39711db in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x55ff37837d60) at thread/qwaitcondition_unix.cpp:146
#2  0x00007f7ee39711db in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x55ff377b8190, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f7ee3971299 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x55ff377b8198, mutex=mutex@entry=0x55ff377b8190, time=time@entry=18446744073709551615) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#4  0x00007f7ee567f59f in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x55ff377b8188) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:255
#5  0x00007f7ee567f59f in QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x55ff377b80f0) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:905
#6  0x00007f7ee567f819 in QSGRenderThread::run() (this=0x55ff377b80f0) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1000
#7  0x00007f7ee396b698 in QThreadPrivate::start(void*) (arg=0x55ff377b80f0) at thread/qthread_unix.cpp:342
#8  0x00007f7ee2de7efa in start_thread () at /lib64/libpthread.so.0
#9  0x00007f7ee35f93bf in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f7edd653700 (LWP 2477)):
#0  0x00007f7ee20eaeb9 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f7ee20eb90b in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f7ee20ebaff in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f7ee3b97beb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f7ed4000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f7ee3b3fb7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f7edd652d80, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#5  0x00007f7ee396a5ce in QThread::exec() (this=this@entry=0x55ff36f77bc0) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#6  0x00007f7ee53056e5 in QQmlThreadPrivate::run() (this=0x55ff36f77bc0) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/src/qml/qml/ftw/qqmlthread.cpp:155
#7  0x00007f7ee396b698 in QThreadPrivate::start(void*) (arg=0x55ff36f77bc0) at thread/qthread_unix.cpp:342
#8  0x00007f7ee2de7efa in start_thread () at /lib64/libpthread.so.0
#9  0x00007f7ee35f93bf in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f7ede8ac700 (LWP 2197)):
#0  0x00007f7ee2137cf4 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f7ee20ebb0a in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f7ee3b97beb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f7ed0000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#3  0x00007f7ee3b3fb7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f7ede8abd70, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#4  0x00007f7ee396a5ce in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#5  0x00007f7ee4c7e507 in  () at /usr/lib64/libQt5DBus.so.5
#6  0x00007f7ee396b698 in QThreadPrivate::start(void*) (arg=0x7f7ee4d00da0) at thread/qthread_unix.cpp:342
#7  0x00007f7ee2de7efa in start_thread () at /lib64/libpthread.so.0
#8  0x00007f7ee35f93bf in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f7edf51b700 (LWP 2177)):
#0  0x00007f7ee35eeacf in poll () at /lib64/libc.so.6
#1  0x00007f7ee5aa4772 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f7ee5aa543a in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f7edf711ab0 in QXcbEventQueue::run() (this=0x55ff36cea0a0) at qxcbeventqueue.cpp:228
#4  0x00007f7ee396b698 in QThreadPrivate::start(void*) (arg=0x55ff36cea0a0) at thread/qthread_unix.cpp:342
#5  0x00007f7ee2de7efa in start_thread () at /lib64/libpthread.so.0
#6  0x00007f7ee35f93bf in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f7ee1609800 (LWP 2144)):
[KCrash Handler]
#4  0x00007f7ee56c17b8 in QListData::size() const (this=0x55ff37ab9b30) at /usr/include/qt5/QtCore/qlist.h:359
#5  0x00007f7ee56c17b8 in QList<QQuickItem*>::count() const (this=0x55ff37ab9b30) at /usr/include/qt5/QtCore/qlist.h:359
#6  0x00007f7ee56c17b8 in QQuickItemPrivate::recursiveRefFromEffectItem(int) (this=this@entry=0x55ff37ab9a70, refs=refs@entry=-1) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/src/quick/items/qquickitem.cpp:6240
#7  0x00007f7ee56c19ae in QQuickItemPrivate::derefFromEffectItem(bool) (this=this@entry=0x55ff37ab9a70, unhide=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/src/quick/items/qquickitem.cpp:6263
#8  0x00007f7ee5802e5d in QQuickShaderEffectSource::~QQuickShaderEffectSource() (this=0x55ff3b448f30, __in_chrg=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/src/quick/items/qquickshadereffectsource.cpp:218
#9  0x00007f7ee5802eb9 in QQuickShaderEffectSource::~QQuickShaderEffectSource() (this=0x55ff3b448f30, __in_chrg=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/src/quick/items/qquickshadereffectsource.cpp:203
#10 0x00007f7ecb9711c7 in QGfxSourceProxy::~QGfxSourceProxy() (this=0x55ff375cec40, this=<optimized out>) at qgfxsourceproxy.cpp:59
#11 0x00007f7ecb977745 in QQmlPrivate::QQmlElement<QGfxSourceProxy>::~QQmlElement() (this=0x55ff375cec40, this=<optimized out>) at /usr/include/qt5/QtQml/qqmlprivate.h:109
#12 0x00007f7ecb977745 in QQmlPrivate::QQmlElement<QGfxSourceProxy>::~QQmlElement() (this=0x55ff375cec40, this=<optimized out>) at /usr/include/qt5/QtQml/qqmlprivate.h:111
#13 0x00007f7ee3b6a57e in QObjectPrivate::deleteChildren() (this=0x55ff373477e0) at kernel/qobject.cpp:2123
#14 0x00007f7ee3b73bf6 in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#15 0x00007f7ee56c7eaa in QQuickItem::~QQuickItem() (this=0x55ff37a0e1a0, __in_chrg=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/src/quick/items/qquickitem.cpp:2443
#16 0x00007f7ee56ea7d5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement() (this=0x55ff37a0e1a0, __in_chrg=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/include/QtQml/../../src/qml/qml/qqmlprivate.h:109
#17 0x00007f7ee56ea7d5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement() (this=0x55ff37a0e1a0, __in_chrg=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#18 0x00007f7ee3b6a57e in QObjectPrivate::deleteChildren() (this=0x55ff37a0de10) at kernel/qobject.cpp:2123
#19 0x00007f7ee3b73bf6 in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#20 0x00007f7ee56c7eaa in QQuickItem::~QQuickItem() (this=0x55ff3733b360, __in_chrg=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/src/quick/items/qquickitem.cpp:2443
#21 0x00007f7ee56ea7d5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement() (this=0x55ff3733b360, __in_chrg=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/include/QtQml/../../src/qml/qml/qqmlprivate.h:109
#22 0x00007f7ee56ea7d5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement() (this=0x55ff3733b360, __in_chrg=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#23 0x00007f7ee3b6a57e in QObjectPrivate::deleteChildren() (this=0x55ff3733b160) at kernel/qobject.cpp:2123
#24 0x00007f7ee3b73bf6 in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#25 0x00007f7ee56c7eaa in QQuickItem::~QQuickItem() (this=0x55ff3733b0a0, __in_chrg=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/src/quick/items/qquickitem.cpp:2443
#26 0x00007f7ee56ea7d5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement() (this=0x55ff3733b0a0, __in_chrg=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/include/QtQml/../../src/qml/qml/qqmlprivate.h:109
#27 0x00007f7ee56ea7d5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement() (this=0x55ff3733b0a0, __in_chrg=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#28 0x00007f7ee3b6a57e in QObjectPrivate::deleteChildren() (this=0x55ff376ac320) at kernel/qobject.cpp:2123
#29 0x00007f7ee3b73bf6 in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#30 0x00007f7ee56c7eaa in QQuickItem::~QQuickItem() (this=0x55ff376ac260, __in_chrg=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/src/quick/items/qquickitem.cpp:2443
#31 0x00007f7ee56ea9f5 in QQmlPrivate::QQmlElement<QQuickLoader>::~QQmlElement() (this=0x55ff376ac260, __in_chrg=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/include/QtQml/../../src/qml/qml/qqmlprivate.h:109
#32 0x00007f7ee56ea9f5 in QQmlPrivate::QQmlElement<QQuickLoader>::~QQmlElement() (this=0x55ff376ac260, __in_chrg=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#33 0x00007f7ee3b6a57e in QObjectPrivate::deleteChildren() (this=0x55ff3759c4f0) at kernel/qobject.cpp:2123
#34 0x00007f7ee3b73bf6 in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#35 0x00007f7ee56c7eaa in QQuickItem::~QQuickItem() (this=0x55ff375b9e20, __in_chrg=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/src/quick/items/qquickitem.cpp:2443
#36 0x00007f7ee56ea7d5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement() (this=0x55ff375b9e20, __in_chrg=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/include/QtQml/../../src/qml/qml/qqmlprivate.h:109
#37 0x00007f7ee56ea7d5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement() (this=0x55ff375b9e20, __in_chrg=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#38 0x00007f7ee3b6a57e in QObjectPrivate::deleteChildren() (this=0x55ff37834f00) at kernel/qobject.cpp:2123
#39 0x00007f7ee3b73bf6 in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#40 0x00007f7ee56c7eaa in QQuickItem::~QQuickItem() (this=0x55ff37834e40, __in_chrg=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/src/quick/items/qquickitem.cpp:2443
#41 0x00007f7ee56ea9f5 in QQmlPrivate::QQmlElement<QQuickLoader>::~QQmlElement() (this=0x55ff37834e40, __in_chrg=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/include/QtQml/../../src/qml/qml/qqmlprivate.h:109
#42 0x00007f7ee56ea9f5 in QQmlPrivate::QQmlElement<QQuickLoader>::~QQmlElement() (this=0x55ff37834e40, __in_chrg=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#43 0x00007f7ee3b6a57e in QObjectPrivate::deleteChildren() (this=0x55ff375f2a10) at kernel/qobject.cpp:2123
#44 0x00007f7ee3b73bf6 in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#45 0x00007f7ee56c7eaa in QQuickItem::~QQuickItem() (this=0x55ff375f2950, __in_chrg=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/src/quick/items/qquickitem.cpp:2443
#46 0x00007f7ee56ea7d5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement() (this=0x55ff375f2950, __in_chrg=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/include/QtQml/../../src/qml/qml/qqmlprivate.h:109
#47 0x00007f7ee56ea7d5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement() (this=0x55ff375f2950, __in_chrg=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/include/QtQml/../../src/qml/qml/qqmlprivate.h:111
#48 0x00007f7ee3b6d78f in QObject::event(QEvent*) (this=this@entry=0x55ff375f2950, e=e@entry=0x55ff377c5040) at kernel/qobject.cpp:1326
#49 0x00007f7ee56c53d3 in QQuickItem::event(QEvent*) (this=0x55ff375f2950, ev=0x55ff377c5040) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-1.3.x86_64/src/quick/items/qquickitem.cpp:8156
#50 0x00007f7ee46a5caf in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x55ff36cc8760, receiver=receiver@entry=0x55ff375f2950, e=e@entry=0x55ff377c5040) at kernel/qapplication.cpp:3684
#51 0x00007f7ee46aedf0 in QApplication::notify(QObject*, QEvent*) (this=0x7ffdad894960, receiver=0x55ff375f2950, e=0x55ff377c5040) at kernel/qapplication.cpp:3430
#52 0x00007f7ee3b40fe2 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x55ff375f2950, event=0x55ff377c5040) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:153
#53 0x00007f7ee3b43774 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=0x0, event_type=0, data=0x55ff36cbe610) at kernel/qcoreapplication.cpp:1832
#54 0x00007f7ee3b98553 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x55ff36d8f500) at kernel/qeventdispatcher_glib.cpp:277
#55 0x00007f7ee20eb6e8 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#56 0x00007f7ee20eba70 in  () at /usr/lib64/libglib-2.0.so.0
#57 0x00007f7ee20ebaff in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#58 0x00007f7ee3b97bce in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x55ff36d90180, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#59 0x00007f7ee3b3fb7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffdad894790, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#60 0x00007f7ee3b47952 in QCoreApplication::exec() () at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#61 0x000055ff35642e3c in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/plasma5-workspace-5.18.5-2.1.x86_64/shell/main.cpp:228
[Inferior 1 (process 2144) detached]

Possible duplicates by query: bug 421652, bug 421610, bug 421572, bug 421539, bug 421528.

Reported using DrKonqi