Bug 361469

Application: plasmashell (5.5.4)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-17-generic x86_64
Distribution: Ubuntu Xenial Xerus (development branch)

-- Information about the crash:
Openeing the Activity Settings using Meta + TAB, then selecting the Options. Immediately crashes.

The crash can be reproduced every time.

-- 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 0x7fcae53f58c0 (LWP 7839))]

Thread 10 (Thread 0x7fcad06e7700 (LWP 7842)):
#0  0x00007fcadfafb5ad in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fcae3bc0c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fcae3bc28d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fcad28334a9 in QXcbEventReader::run (this=0x2581840) at qxcbconnection.cpp:1253
#4  0x00007fcae01f17fe in QThreadPrivate::start (arg=0x2581840) at thread/qthread_unix.cpp:331
#5  0x00007fcadf2dd6fa in start_thread (arg=0x7fcad06e7700) at pthread_create.c:333
#6  0x00007fcadfb072dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7fcacded9700 (LWP 7844)):
#0  0x00007fcadfafb5ad in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fcadc89032c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcadc89043c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcae0428a6b in QEventDispatcherGlib::processEvents (this=0x7fcac00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fcae03cfd7a in QEventLoop::exec (this=this@entry=0x7fcacded8ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fcae01ec854 in QThread::exec (this=this@entry=0x264b560) at thread/qthread.cpp:503
#6  0x00007fcae2a943b5 in QQmlThreadPrivate::run (this=0x264b560) at qml/ftw/qqmlthread.cpp:141
#7  0x00007fcae01f17fe in QThreadPrivate::start (arg=0x264b560) at thread/qthread_unix.cpp:331
#8  0x00007fcadf2dd6fa in start_thread (arg=0x7fcacded9700) at pthread_create.c:333
#9  0x00007fcadfb072dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7fcabe909700 (LWP 7845)):
#0  0x00007fcadfafb5ad in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fcadc89032c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcadc89043c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcae0428a6b in QEventDispatcherGlib::processEvents (this=0x7fcab80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fcae03cfd7a in QEventLoop::exec (this=this@entry=0x7fcabe908ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fcae01ec854 in QThread::exec (this=this@entry=0x2942d10) at thread/qthread.cpp:503
#6  0x00007fcae2a943b5 in QQmlThreadPrivate::run (this=0x2942d10) at qml/ftw/qqmlthread.cpp:141
#7  0x00007fcae01f17fe in QThreadPrivate::start (arg=0x2942d10) at thread/qthread_unix.cpp:331
#8  0x00007fcadf2dd6fa in start_thread (arg=0x7fcabe909700) at pthread_create.c:333
#9  0x00007fcadfb072dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7fcabcaf4700 (LWP 7846)):
#0  0x00007fcadfafb5ad in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fcadc89032c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcadc89043c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcae0428a6b in QEventDispatcherGlib::processEvents (this=0x7fcab00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fcae03cfd7a in QEventLoop::exec (this=this@entry=0x7fcabcaf3ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fcae01ec854 in QThread::exec (this=this@entry=0x2a91590) at thread/qthread.cpp:503
#6  0x00007fcae2a943b5 in QQmlThreadPrivate::run (this=0x2a91590) at qml/ftw/qqmlthread.cpp:141
#7  0x00007fcae01f17fe in QThreadPrivate::start (arg=0x2a91590) at thread/qthread_unix.cpp:331
#8  0x00007fcadf2dd6fa in start_thread (arg=0x7fcabcaf4700) at pthread_create.c:333
#9  0x00007fcadfb072dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7fcab71a4700 (LWP 7847)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcae4e39bd4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007fcae4e39c19 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007fcadf2dd6fa in start_thread (arg=0x7fcab71a4700) at pthread_create.c:333
#4  0x00007fcadfb072dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fca2ffff700 (LWP 7848)):
#0  0x00007fcadc8d4a94 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fcadc88f8b0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcadc89025b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcadc89043c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fcae0428a6b in QEventDispatcherGlib::processEvents (this=0x7fca280008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fcae03cfd7a in QEventLoop::exec (this=this@entry=0x7fca2fffec90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fcae01ec854 in QThread::exec (this=this@entry=0x2c39380) at thread/qthread.cpp:503
#7  0x00007fcae341aed6 in QQuickPixmapReader::run (this=0x2c39380) at util/qquickpixmapcache.cpp:817
#8  0x00007fcae01f17fe in QThreadPrivate::start (arg=0x2c39380) at thread/qthread_unix.cpp:331
#9  0x00007fcadf2dd6fa in start_thread (arg=0x7fca2ffff700) at pthread_create.c:333
#10 0x00007fcadfb072dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fca1edce700 (LWP 7851)):
#0  0x00007ffd133aeab8 in clock_gettime ()
#1  0x00007fcadfb156a6 in __GI___clock_gettime (clock_id=1, tp=tp@entry=0x7fca1edcda90) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007fcae02a1bc6 in qt_clock_gettime (ts=0x7fca1edcda90, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#3  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:156
#4  qt_gettime () at tools/qelapsedtimer_unix.cpp:165
#5  0x00007fcae04264f9 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7fca18002cd0) at kernel/qtimerinfo_unix.cpp:84
#6  0x00007fcae0428232 in timerSourceCheckHelper (src=0x7fca18002c70) at kernel/qeventdispatcher_glib.cpp:141
#7  timerSourceCheck (source=0x7fca18002c70) at kernel/qeventdispatcher_glib.cpp:168
#8  0x00007fcadc88fd61 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fcadc8902d0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fcadc89043c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007fcae0428a6b in QEventDispatcherGlib::processEvents (this=0x7fca180008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#12 0x00007fcae03cfd7a in QEventLoop::exec (this=this@entry=0x7fca1edcdcc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#13 0x00007fcae01ec854 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#14 0x00007fca212ae7d7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#15 0x00007fcae01f17fe in QThreadPrivate::start (arg=0x4f9f130) at thread/qthread_unix.cpp:331
#16 0x00007fcadf2dd6fa in start_thread (arg=0x7fca1edce700) at pthread_create.c:333
#17 0x00007fcadfb072dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fca10b75700 (LWP 7871)):
#0  0x00007fcadfafb5ad in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fcadc89032c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcadc89043c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcae0428a6b in QEventDispatcherGlib::processEvents (this=0x7fca040008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fcae03cfd7a in QEventLoop::exec (this=this@entry=0x7fca10b74ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fcae01ec854 in QThread::exec (this=this@entry=0x4e84820) at thread/qthread.cpp:503
#6  0x00007fcae2a943b5 in QQmlThreadPrivate::run (this=0x4e84820) at qml/ftw/qqmlthread.cpp:141
#7  0x00007fcae01f17fe in QThreadPrivate::start (arg=0x4e84820) at thread/qthread_unix.cpp:331
#8  0x00007fcadf2dd6fa in start_thread (arg=0x7fca10b75700) at pthread_create.c:333
#9  0x00007fcadfb072dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fca0b7ff700 (LWP 7872)):
#0  0x00007fcadfafb5ad in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fcadc89032c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcadc89043c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcae0428a6b in QEventDispatcherGlib::processEvents (this=0x7fca000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fcae03cfd7a in QEventLoop::exec (this=this@entry=0x7fca0b7fece0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fcae01ec854 in QThread::exec (this=this@entry=0x5afadf0) at thread/qthread.cpp:503
#6  0x00007fcae2a943b5 in QQmlThreadPrivate::run (this=0x5afadf0) at qml/ftw/qqmlthread.cpp:141
#7  0x00007fcae01f17fe in QThreadPrivate::start (arg=0x5afadf0) at thread/qthread_unix.cpp:331
#8  0x00007fcadf2dd6fa in start_thread (arg=0x7fca0b7ff700) at pthread_create.c:333
#9  0x00007fcadfb072dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fcae53f58c0 (LWP 7839)):
[KCrash Handler]
#6  QScopedPointer<QObjectData, QScopedPointerDeleter<QObjectData> >::data (this=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qscopedpointer.h:135
#7  qGetPtrHelper<QScopedPointer<QObjectData> > (p=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qglobal.h:983
#8  QQmlEngine::d_func (this=<optimized out>) at ../../include/QtQml/5.5.1/QtQml/private/../../../../../src/qml/qml/qqmlengine.h:151
#9  QQmlEnginePrivate::get (e=<optimized out>) at ../../include/QtQml/5.5.1/QtQml/private/../../../../../src/qml/qml/qqmlengine_p.h:382
#10 QQmlBoundSignalExpression::function (this=this@entry=0x513a770) at qml/qqmlboundsignal.cpp:184
#11 0x00007fcae2a1e910 in QQmlBoundSignalExpression::sourceLocation (this=this@entry=0x513a770) at qml/qqmlboundsignal.cpp:155
#12 0x00007fcae29fe778 in QQmlData::destroyed (this=0x5491080, object=0x58f2b10) at qml/qqmlengine.cpp:1714
#13 0x00007fcae0408b74 in QObject::~QObject (this=0x58f2b10, __in_chrg=<optimized out>) at kernel/qobject.cpp:912
#14 0x00007fcae34ae7bd in QQuickItem::~QQuickItem (this=0x58f2b10, __in_chrg=<optimized out>) at items/qquickitem.cpp:2224
#15 0x00007fcae34c8826 in QQmlPrivate::QQmlElement<QQuickFocusScope>::~QQmlElement (this=0x58f2b10, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#16 QQmlPrivate::QQmlElement<QQuickFocusScope>::~QQmlElement (this=0x58f2b10, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#17 0x00007fcae03ff4fb in QObjectPrivate::deleteChildren (this=this@entry=0x4e15a10) at kernel/qobject.cpp:1946
#18 0x00007fcae0408d70 in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1024
#19 0x00007fcae34ae7bd in QQuickItem::~QQuickItem (this=0x4e906e0, __in_chrg=<optimized out>) at items/qquickitem.cpp:2224
#20 0x00007fcae34c8f66 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x4e906e0, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#21 QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x4e906e0, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#22 0x00007fcae03ff4fb in QObjectPrivate::deleteChildren (this=this@entry=0x50ae5c0) at kernel/qobject.cpp:1946
#23 0x00007fcae0408d70 in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1024
#24 0x00007fcae34ae7bd in QQuickItem::~QQuickItem (this=0x53663e0, __in_chrg=<optimized out>) at items/qquickitem.cpp:2224
#25 0x00007fcae34c8f66 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x53663e0, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#26 QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x53663e0, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#27 0x00007fcae03ff4fb in QObjectPrivate::deleteChildren (this=this@entry=0x5404190) at kernel/qobject.cpp:1946
#28 0x00007fcae0408d70 in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1024
#29 0x00007fcae34ae7bd in QQuickItem::~QQuickItem (this=0x5941c20, __in_chrg=<optimized out>) at items/qquickitem.cpp:2224
#30 0x00007fcae34c8f66 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x5941c20, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#31 QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x5941c20, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#32 0x00007fcae2ad41ab in QQmlDelegateModel::~QQmlDelegateModel (this=0x4e00190, __in_chrg=<optimized out>) at types/qqmldelegatemodel.cpp:256
#33 0x00007fcae2ad4309 in QQmlDelegateModel::~QQmlDelegateModel (this=0x4e00190, __in_chrg=<optimized out>) at types/qqmldelegatemodel.cpp:270
#34 0x00007fcae353f8b6 in QQuickRepeaterPrivate::~QQuickRepeaterPrivate (this=0x50c6e20, __in_chrg=<optimized out>) at items/qquickrepeater.cpp:58
#35 0x00007fcae353f8c9 in QQuickRepeaterPrivate::~QQuickRepeaterPrivate (this=0x50c6e20, __in_chrg=<optimized out>) at items/qquickrepeater.cpp:59
#36 0x00007fcae0408db8 in QScopedPointerDeleter<QObjectData>::cleanup (pointer=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:54
#37 QScopedPointer<QObjectData, QScopedPointerDeleter<QObjectData> >::~QScopedPointer (this=0x544edd8, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:101
#38 QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:883
#39 0x00007fcae34ae7bd in QQuickItem::~QQuickItem (this=0x544edd0, __in_chrg=<optimized out>) at items/qquickitem.cpp:2224
#40 0x00007fcae34c9ac6 in QQmlPrivate::QQmlElement<QQuickRepeater>::~QQmlElement (this=0x544edd0, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#41 QQmlPrivate::QQmlElement<QQuickRepeater>::~QQmlElement (this=0x544edd0, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#42 0x00007fcae03ff4fb in QObjectPrivate::deleteChildren (this=this@entry=0x5602b90) at kernel/qobject.cpp:1946
#43 0x00007fcae0408d70 in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1024
#44 0x00007fcae34ae7bd in QQuickItem::~QQuickItem (this=0x55d9080, __in_chrg=<optimized out>) at items/qquickitem.cpp:2224
#45 0x00007fcae34c83ce in QQuickColumn::~QQuickColumn (this=0x55d9080, __in_chrg=<optimized out>) at items/qquickpositioners_p.h:169
#46 QQmlPrivate::QQmlElement<QQuickColumn>::~QQmlElement (this=0x55d9080, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#47 QQmlPrivate::QQmlElement<QQuickColumn>::~QQmlElement (this=0x55d9080, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#48 0x00007fcae03ff4fb in QObjectPrivate::deleteChildren (this=this@entry=0x546cb10) at kernel/qobject.cpp:1946
#49 0x00007fcae0408d70 in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1024
#50 0x00007fcae34ae7bd in QQuickItem::~QQuickItem (this=0x5449b70, __in_chrg=<optimized out>) at items/qquickitem.cpp:2224
#51 0x00007fcae34c8696 in QQmlPrivate::QQmlElement<QQuickFlickable>::~QQmlElement (this=0x5449b70, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#52 QQmlPrivate::QQmlElement<QQuickFlickable>::~QQmlElement (this=0x5449b70, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#53 0x00007fcae03ff4fb in QObjectPrivate::deleteChildren (this=this@entry=0x5922fd0) at kernel/qobject.cpp:1946
#54 0x00007fcae0408d70 in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1024
#55 0x00007fcae34ae7bd in QQuickItem::~QQuickItem (this=0x5497900, __in_chrg=<optimized out>) at items/qquickitem.cpp:2224
#56 0x00007fcae34c8826 in QQmlPrivate::QQmlElement<QQuickFocusScope>::~QQmlElement (this=0x5497900, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#57 QQmlPrivate::QQmlElement<QQuickFocusScope>::~QQmlElement (this=0x5497900, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#58 0x00007fcae03ff4fb in QObjectPrivate::deleteChildren (this=this@entry=0x4621c50) at kernel/qobject.cpp:1946
#59 0x00007fcae0408d70 in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1024
#60 0x00007fcae34ae7bd in QQuickItem::~QQuickItem (this=0x4c55000, __in_chrg=<optimized out>) at items/qquickitem.cpp:2224
#61 0x00007fcae34c8f66 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x4c55000, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#62 QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x4c55000, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#63 0x00007fcae03ff4fb in QObjectPrivate::deleteChildren (this=this@entry=0x50d2280) at kernel/qobject.cpp:1946
#64 0x00007fcae0408d70 in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1024
#65 0x00007fcae34ae7bd in QQuickItem::~QQuickItem (this=0x561f7f0, __in_chrg=<optimized out>) at items/qquickitem.cpp:2224
#66 0x00007fcae34c8826 in QQmlPrivate::QQmlElement<QQuickFocusScope>::~QQmlElement (this=0x561f7f0, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#67 QQmlPrivate::QQmlElement<QQuickFocusScope>::~QQmlElement (this=0x561f7f0, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#68 0x00007fcae0401e90 in QObject::event (this=this@entry=0x561f7f0, e=e@entry=0x57e1030) at kernel/qobject.cpp:1230
#69 0x00007fcae34ac73b in QQuickItem::event (this=0x561f7f0, ev=0x57e1030) at items/qquickitem.cpp:7382
#70 0x00007fcae0ed505c in QApplicationPrivate::notify_helper (this=this@entry=0x2569690, receiver=receiver@entry=0x561f7f0, e=e@entry=0x57e1030) at kernel/qapplication.cpp:3716
#71 0x00007fcae0eda516 in QApplication::notify (this=0x7ffd13373320, receiver=0x561f7f0, e=0x57e1030) at kernel/qapplication.cpp:3499
#72 0x00007fcae03d25bb in QCoreApplication::notifyInternal (this=0x7ffd13373320, receiver=0x561f7f0, event=event@entry=0x57e1030) at kernel/qcoreapplication.cpp:965
#73 0x00007fcae03d49b6 in QCoreApplication::sendEvent (event=0x57e1030, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#74 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x255f600) at kernel/qcoreapplication.cpp:1593
#75 0x00007fcae03d4e98 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#76 0x00007fcae0428643 in postEventSourceDispatch (s=0x25a0960) at kernel/qeventdispatcher_glib.cpp:271
#77 0x00007fcadc890137 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#78 0x00007fcadc890390 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#79 0x00007fcadc89043c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#80 0x00007fcae0428a4f in QEventDispatcherGlib::processEvents (this=0x25a6540, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#81 0x00007fcae03cfd7a in QEventLoop::exec (this=this@entry=0x7ffd1336b120, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#82 0x00007fcae10cfc4d in QDialog::exec (this=0x4b78f70) at dialogs/qdialog.cpp:541
#83 0x00007fca114e3b43 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/activities/settings/libkactivitiessettingsplugin.so
#84 0x00007fcae2a52309 in QQmlObjectOrGadget::metacall (this=this@entry=0x7ffd1336b650, type=type@entry=QMetaObject::InvokeMetaMethod, index=index@entry=6, argv=<optimized out>) at qml/qqmlpropertycache.cpp:1689
#85 0x00007fcae29d767c in CallMethod (object=..., index=<optimized out>, returnType=returnType@entry=43, argCount=<optimized out>, argTypes=<optimized out>, engine=engine@entry=0x2aa9a60, callArgs=0x7fcab7801248) at jsruntime/qv4qobjectwrapper.cpp:1156
#86 0x00007fcae29d8ebc in CallPrecise (object=..., data=..., engine=engine@entry=0x2aa9a60, callArgs=callArgs@entry=0x7fcab7801248) at jsruntime/qv4qobjectwrapper.cpp:1405
#87 0x00007fcae29d96cd in QV4::QObjectMethod::callInternal (this=<optimized out>, callData=<optimized out>) at jsruntime/qv4qobjectwrapper.cpp:1894
#88 0x00007fcae29f00b3 in QV4::Object::call (d=0x7fcab7801248, this=<optimized out>) at jsruntime/qv4object_p.h:305
#89 QV4::Runtime::callProperty (engine=0x2aa9a60, nameIndex=<optimized out>, callData=0x7fcab7801248) at jsruntime/qv4runtime.cpp:981
#90 0x00007fca1dfb2138 in ?? ()
#91 0x00007fcae04a56a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#92 0x00000000092c0001 in ?? ()
#93 0x0003000000000000 in ?? ()
#94 0xffff8002ecc94751 in ?? ()
#95 0x0000000000000000 in ?? ()

Possible duplicates by query: bug 361401, bug 359355, bug 356411.

Reported using DrKonqi