Bug 412811 - Crash on closing of discover
Summary: Crash on closing of discover
Status: RESOLVED WORKSFORME
Alias: None
Product: frameworks-kirigami
Classification: Frameworks and Libraries
Component: general (show other bugs)
Version: unspecified
Platform: Compiled Sources Linux
: NOR crash
Target Milestone: Not decided
Assignee: Marco Martin
URL:
Keywords: drkonqi
Depends on:
Blocks:
 
Reported: 2019-10-10 12:11 UTC by David Edmundson
Modified: 2022-10-27 05:05 UTC (History)
1 user (show)

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Description David Edmundson 2019-10-10 12:11:07 UTC 
Application: plasma-discover (5.16.80)
 (Compiled from sources)
Qt Version: 5.14.0
Frameworks Version: 5.63.0
Operating System: Linux 5.2.11-arch1-1-ARCH x86_64
Distribution: Arch Linux

-- Information about the crash:
Closing discover crashed, running Qt5.14.

Drkonqi is making me write another line despite the fact that my backtrace is clearly amazing.

-- Backtrace:
Application: Discover (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb967c3b880 (LWP 6634))]

Thread 11 (Thread 0x7fb92ffff700 (LWP 7056)):
#0  0x00007fb965801667 in poll () at /usr/lib/libc.so.6
#1  0x00007fb96263aa80 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb96263ab51 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb945f64bde in  () at /usr/lib/gio/modules/libdconfsettings.so
#4  0x00007fb962617a31 in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007fb964d8957f in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fb96580c0e3 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7fb91cff9700 (LWP 7028)):
#0  0x00007fb965801667 in poll () at /usr/lib/libc.so.6
#1  0x00007fb96263aa80 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb96263ab51 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb966046580 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb8f8003250, flags=...) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fb965fac34b in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb91cff8ce0, flags=...) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:138
#5  0x00007fb965fac685 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb91cff8ce0, flags=...) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:225
#6  0x00007fb965d42fca in QThread::exec() (this=0x7fb9480216e0) at /home/david/projects/qt5/qtbase/src/corelib/thread/qthread.cpp:536
#7  0x00007fb965d43198 in QThread::run() (this=0x7fb9480216e0) at /home/david/projects/qt5/qtbase/src/corelib/thread/qthread.cpp:603
#8  0x00007fb965d45e87 in QThreadPrivate::start(void*) (arg=0x7fb9480216e0) at /home/david/projects/qt5/qtbase/src/corelib/thread/qthread_unix.cpp:342
#9  0x00007fb964d8957f in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fb96580c0e3 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7fb92effd700 (LWP 6658)):
#0  0x00007fb9657fd18c in read () at /usr/lib/libc.so.6
#1  0x00007fb9625eb9f0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb962639311 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb96263aa28 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fb96263ab51 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007fb966046580 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb9240029e0, flags=...) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:425
#6  0x00007fb965fac34b in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb92effcce0, flags=...) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:138
#7  0x00007fb965fac685 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb92effcce0, flags=...) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:225
#8  0x00007fb965d42fca in QThread::exec() (this=0x5639ee978170) at /home/david/projects/qt5/qtbase/src/corelib/thread/qthread.cpp:536
#9  0x00007fb965d43198 in QThread::run() (this=0x5639ee978170) at /home/david/projects/qt5/qtbase/src/corelib/thread/qthread.cpp:603
#10 0x00007fb965d45e87 in QThreadPrivate::start(void*) (arg=0x5639ee978170) at /home/david/projects/qt5/qtbase/src/corelib/thread/qthread_unix.cpp:342
#11 0x00007fb964d8957f in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007fb96580c0e3 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7fb944b77700 (LWP 6645)):
#0  0x00007fb965801667 in poll () at /usr/lib/libc.so.6
#1  0x00007fb96263aa80 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb96263ba63 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb961e21a38 in  () at /usr/lib/libgio-2.0.so.0
#4  0x00007fb962617a31 in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007fb964d8957f in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fb96580c0e3 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7fb945397700 (LWP 6644)):
#0  0x00007fb965801667 in poll () at /usr/lib/libc.so.6
#1  0x00007fb96263aa80 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb96263ab51 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb96263aba2 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fb962617a31 in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007fb964d8957f in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fb96580c0e3 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7fb946de7700 (LWP 6641)):
#0  0x00007fb965801667 in poll () at /usr/lib/libc.so.6
#1  0x00007fb96263aa80 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb96263ab51 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb966046580 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb938000b20, flags=...) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fb965fac34b in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb946de6ce0, flags=...) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:138
#5  0x00007fb965fac685 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb946de6ce0, flags=...) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:225
#6  0x00007fb965d42fca in QThread::exec() (this=0x5639ef1ca370) at /home/david/projects/qt5/qtbase/src/corelib/thread/qthread.cpp:536
#7  0x00007fb965d43198 in QThread::run() (this=0x5639ef1ca370) at /home/david/projects/qt5/qtbase/src/corelib/thread/qthread.cpp:603
#8  0x00007fb965d45e87 in QThreadPrivate::start(void*) (arg=0x5639ef1ca370) at /home/david/projects/qt5/qtbase/src/corelib/thread/qthread_unix.cpp:342
#9  0x00007fb964d8957f in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fb96580c0e3 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7fb947a2f700 (LWP 6640)):
#0  0x00007fb965801667 in poll () at /usr/lib/libc.so.6
#1  0x00007fb96263aa80 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb96263ab51 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb966046580 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb940000b20, flags=...) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fb965fac34b in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb947a2ece0, flags=...) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:138
#5  0x00007fb965fac685 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb947a2ece0, flags=...) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:225
#6  0x00007fb965d42fca in QThread::exec() (this=0x5639ef117140) at /home/david/projects/qt5/qtbase/src/corelib/thread/qthread.cpp:536
#7  0x00007fb965d43198 in QThread::run() (this=0x5639ef117140) at /home/david/projects/qt5/qtbase/src/corelib/thread/qthread.cpp:603
#8  0x00007fb965d45e87 in QThreadPrivate::start(void*) (arg=0x5639ef117140) at /home/david/projects/qt5/qtbase/src/corelib/thread/qthread_unix.cpp:342
#9  0x00007fb964d8957f in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fb96580c0e3 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7fb94cb5f700 (LWP 6639)):
#0  0x00007fb9657fd18c in read () at /usr/lib/libc.so.6
#1  0x00007fb9625eb9f0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb962639311 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb96263aa28 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fb96263ab51 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007fb966046580 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb948000b20, flags=...) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:425
#6  0x00007fb965fac34b in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb94cb5ec80, flags=...) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:138
#7  0x00007fb965fac685 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb94cb5ec80, flags=...) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:225
#8  0x00007fb965d42fca in QThread::exec() (this=0x5639ef08d820) at /home/david/projects/qt5/qtbase/src/corelib/thread/qthread.cpp:536
#9  0x00007fb968797507 in QQuickPixmapReader::run() (this=0x5639ef08d820) at /home/david/projects/qt5/qtdeclarative/src/quick/util/qquickpixmapcache.cpp:985
#10 0x00007fb965d45e87 in QThreadPrivate::start(void*) (arg=0x5639ef08d820) at /home/david/projects/qt5/qtbase/src/corelib/thread/qthread_unix.cpp:342
#11 0x00007fb964d8957f in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007fb96580c0e3 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7fb95ecff700 (LWP 6637)):
#0  0x00007fb965801667 in poll () at /usr/lib/libc.so.6
#1  0x00007fb96263aa80 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb96263ab51 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb966046580 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb950000b20, flags=...) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fb965fac34b in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb95ecfecb0, flags=...) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:138
#5  0x00007fb965fac685 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb95ecfecb0, flags=...) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:225
#6  0x00007fb965d42fca in QThread::exec() (this=0x7fb966f00dc0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at /home/david/projects/qt5/qtbase/src/corelib/thread/qthread.cpp:536
#7  0x00007fb966e45379 in QDBusConnectionManager::run() (this=0x7fb966f00dc0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at /home/david/projects/qt5/qtbase/src/dbus/qdbusconnection.cpp:179
#8  0x00007fb965d45e87 in QThreadPrivate::start(void*) (arg=0x7fb966f00dc0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at /home/david/projects/qt5/qtbase/src/corelib/thread/qthread_unix.cpp:342
#9  0x00007fb964d8957f in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fb96580c0e3 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fb96041f700 (LWP 6636)):
#0  0x00007fb965801667 in poll () at /usr/lib/libc.so.6
#1  0x00007fb96233c630 in  () at /usr/lib/libxcb.so.1
#2  0x00007fb96233e2db in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007fb960e5802c in QXcbEventQueue::run() (this=0x5639ee944b50) at /home/david/projects/qt5/qtbase/src/plugins/platforms/xcb/qxcbeventqueue.cpp:228
#4  0x00007fb965d45e87 in QThreadPrivate::start(void*) (arg=0x5639ee944b50) at /home/david/projects/qt5/qtbase/src/corelib/thread/qthread_unix.cpp:342
#5  0x00007fb964d8957f in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fb96580c0e3 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7fb967c3b880 (LWP 6634)):
[KCrash Handler]
#6  0x00007fb9668de318 in QV4::IdentifierTable::insertString(QString const&) (this=0x0, s=...) at /home/david/projects/qt5/qtdeclarative/src/qml/jsruntime/qv4identifiertable.cpp:145
#7  0x00007fb9668dec91 in QV4::IdentifierTable::asPropertyKey(QString const&) (this=0x0, s=...) at /home/david/projects/qt5/qtdeclarative/src/qml/jsruntime/qv4identifiertable.cpp:283
#8  0x00007fb9668dd18a in QV4::IdentifierHash::lookup(QString const&) const (this=0x5639efd3b4b8, str=...) at /home/david/projects/qt5/qtdeclarative/src/qml/jsruntime/qv4identifier.cpp:155
#9  0x00007fb966ab6d8b in QV4::IdentifierHash::value(QString const&) const (this=0x5639efd3b4b8, str=...) at ../../include/QtQml/5.14.0/QtQml/private/../../../../../../../qt5/qtdeclarative/src/qml/jsruntime/qv4identifier_p.h:159
#10 0x00007fb966ab5186 in QQmlContextPrivate::dropDestroyedQObject(QString const&, QObject*) (this=0x5639efd31d00, name=..., destroyed=0x5639f05e15d0) at /home/david/projects/qt5/qtdeclarative/src/qml/qml/qqmlcontext.cpp:535
#11 0x00007fb966ab43d1 in QQmlContext::<lambda(QObject*)>::operator()(QObject *) const (__closure=0x5639efedb160, destroyed=0x5639f05e15d0) at /home/david/projects/qt5/qtdeclarative/src/qml/qml/qqmlcontext.cpp:323
#12 0x00007fb966ab6b71 in QtPrivate::FunctorCall<QtPrivate::IndexesList<0>, QtPrivate::List<QObject*>, void, QQmlContext::setContextProperty(const QString&, const QVariant&)::<lambda(QObject*)> >::call(QQmlContext::<lambda(QObject*)> &, void **) (f=..., arg=0x7fffea1ce280) at /home/david/projects/qt5-build/qtbase/include/QtCore/../../../../qt5/qtbase/src/corelib/kernel/qobjectdefs_impl.h:146
#13 0x00007fb966ab6b32 in QtPrivate::Functor<QQmlContext::setContextProperty(const QString&, const QVariant&)::<lambda(QObject*)>, 1>::call<QtPrivate::List<QObject*>, void>(QQmlContext::<lambda(QObject*)> &, void *, void **) (f=..., arg=0x7fffea1ce280) at /home/david/projects/qt5-build/qtbase/include/QtCore/../../../../qt5/qtbase/src/corelib/kernel/qobjectdefs_impl.h:256
#14 0x00007fb966ab6b00 in QtPrivate::QFunctorSlotObject<QQmlContext::setContextProperty(const QString&, const QVariant&)::<lambda(QObject*)>, 1, QtPrivate::List<QObject*>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=1, this_=0x5639efedb150, r=0x5639f01de910, a=0x7fffea1ce280, ret=0x0) at /home/david/projects/qt5-build/qtbase/include/QtCore/../../../../qt5/qtbase/src/corelib/kernel/qobjectdefs_impl.h:439
#15 0x00007fb965fc1bb1 in QtPrivate::QSlotObjectBase::call(QObject*, void**) (this=0x5639efedb150, r=0x5639f01de910, a=0x7fffea1ce280) at ../../include/QtCore/../../../../qt5/qtbase/src/corelib/kernel/qobjectdefs_impl.h:394
#16 0x00007fb966003440 in doActivate<false>(QObject*, int, void**) (sender=0x5639f05e15d0, signal_index=0, argv=0x7fffea1ce280) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qobject.cpp:3870
#17 0x00007fb965ffce1d in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=0x5639f05e15d0, m=0x7fb966385c20 <QObject::staticMetaObject>, local_signal_index=0, argv=0x7fffea1ce280) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qobject.cpp:3930
#18 0x00007fb965fffcb2 in QObject::destroyed(QObject*) (this=0x5639f05e15d0, _t1=0x5639f05e15d0) at .moc/moc_qobject.cpp:219
#19 0x00007fb965ff5c2c in QObject::~QObject() (this=0x5639f05e15d0, __in_chrg=<optimized out>) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qobject.cpp:1017
#20 0x00007fb9688ea828 in QQuickItem::~QQuickItem() (this=0x5639f05e15d0, __in_chrg=<optimized out>) at /home/david/projects/qt5/qtdeclarative/src/quick/items/qquickitem.cpp:2383
#21 0x00007fb95c7526af in DelegateRecycler::~DelegateRecycler() (this=0x5639f05e15d0) at /home/david/projects/kde5/src/frameworks/kirigami/src/delegaterecycler.cpp:116
#22 0x00007fb95c73c987 in QQmlPrivate::QQmlElement<DelegateRecycler>::~QQmlElement() (this=0x5639f05e15d0) at /opt/qt5/include/QtQml/qqmlprivate.h:110
#23 0x00007fb95c73c9a9 in QQmlPrivate::QQmlElement<DelegateRecycler>::~QQmlElement() (this=0x5639f05e15d0) at /opt/qt5/include/QtQml/qqmlprivate.h:108
#24 0x00007fb9652ef065 in QQmlDelegateModel::~QQmlDelegateModel() (this=0x5639ef1e1ae0, __in_chrg=<optimized out>) at /home/david/projects/qt5/qtdeclarative/src/qmlmodels/qqmldelegatemodel.cpp:261
#25 0x00007fb9652ef1b8 in QQmlDelegateModel::~QQmlDelegateModel() (this=0x5639ef1e1ae0, __in_chrg=<optimized out>) at /home/david/projects/qt5/qtdeclarative/src/qmlmodels/qqmldelegatemodel.cpp:276
#26 0x00007fb968a56c6e in QQuickItemView::~QQuickItemView() (this=0x5639f00bacc0, __in_chrg=<optimized out>) at /home/david/projects/qt5/qtdeclarative/src/quick/items/qquickitemview.cpp:167
#27 0x00007fb968a75aa8 in QQuickListView::~QQuickListView() (this=0x5639f00bacc0, __in_chrg=<optimized out>) at /home/david/projects/qt5/qtdeclarative/src/quick/items/qquicklistview.cpp:1912
#28 0x00007fb96898a51b in QQmlPrivate::QQmlElement<QQuickListView>::~QQmlElement() (this=0x5639f00bacc0, __in_chrg=<optimized out>) at ../../include/QtQml/../../../../qt5/qtdeclarative/src/qml/qml/qqmlprivate.h:110
#29 0x00007fb96898a53c in QQmlPrivate::QQmlElement<QQuickListView>::~QQmlElement() (this=0x5639f00bacc0, __in_chrg=<optimized out>) at ../../include/QtQml/../../../../qt5/qtdeclarative/src/qml/qml/qqmlprivate.h:110
#30 0x00007fb965ff7d23 in QObjectPrivate::deleteChildren() (this=0x5639f014f010) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qobject.cpp:2123
#31 0x00007fb965ff6138 in QObject::~QObject() (this=0x5639eff363b0, __in_chrg=<optimized out>) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qobject.cpp:1107
#32 0x00007fb9688ea828 in QQuickItem::~QQuickItem() (this=0x5639eff363b0, __in_chrg=<optimized out>) at /home/david/projects/qt5/qtdeclarative/src/quick/items/qquickitem.cpp:2383
#33 0x00007fb95f4a7936 in QQuickControl::~QQuickControl() (this=0x5639eff363b0, __in_chrg=<optimized out>) at /home/david/projects/qt5/qtquickcontrols2/src/quicktemplates2/qquickcontrol.cpp:932
#34 0x00007fb95f4d7fd5 in QQuickPane::~QQuickPane() (this=0x5639eff363b0, __in_chrg=<optimized out>) at /home/david/projects/qt5/qtquickcontrols2/src/quicktemplates2/qquickpane.cpp:250
#35 0x00007fb95f4d45d4 in QQuickPage::~QQuickPage() (this=0x5639eff363b0, __in_chrg=<optimized out>) at /home/david/projects/qt5/qtquickcontrols2/src/quicktemplates2/qquickpage.cpp:230
#36 0x00007fb95c10c6fb in QQmlPrivate::QQmlElement<QQuickPage>::~QQmlElement() (this=0x5639eff363b0, __in_chrg=<optimized out>) at /home/david/projects/qt5-build/qtdeclarative/include/QtQml/../../../../qt5/qtdeclarative/src/qml/qml/qqmlprivate.h:110
#37 0x00007fb95c10c71c in QQmlPrivate::QQmlElement<QQuickPage>::~QQmlElement() (this=0x5639eff363b0, __in_chrg=<optimized out>) at /home/david/projects/qt5-build/qtdeclarative/include/QtQml/../../../../qt5/qtdeclarative/src/qml/qml/qqmlprivate.h:110
#38 0x00007fb966961ef6 in QV4::QObjectWrapper::destroyObject(bool) (this=0x7fb94d7808e0, lastCall=true) at /home/david/projects/qt5/qtdeclarative/src/qml/jsruntime/qv4qobjectwrapper.cpp:1178
#39 0x00007fb9668043a1 in QV4::MemoryManager::sweep(bool, void (*)(char const*)) (this=0x5639eea201b0, lastSweep=true, classCountPtr=0x0) at /home/david/projects/qt5/qtdeclarative/src/qml/memory/qv4mm.cpp:931
#40 0x00007fb966805e8c in QV4::MemoryManager::~MemoryManager() (this=0x5639eea201b0, __in_chrg=<optimized out>) at /home/david/projects/qt5/qtdeclarative/src/qml/memory/qv4mm.cpp:1183
#41 0x00007fb9668acab1 in QV4::ExecutionEngine::~ExecutionEngine() (this=0x5639ee9ac150, __in_chrg=<optimized out>) at /home/david/projects/qt5/qtdeclarative/src/qml/jsruntime/qv4engine.cpp:725
#42 0x00007fb96689a2ce in QJSEngine::~QJSEngine() (this=0x5639eea1d900, __in_chrg=<optimized out>) at /home/david/projects/qt5/qtdeclarative/src/qml/jsapi/qjsengine.cpp:375
#43 0x00007fb966a905b1 in QQmlEngine::~QQmlEngine() (this=0x5639eea1d900, __in_chrg=<optimized out>) at /home/david/projects/qt5/qtdeclarative/src/qml/qml/qqmlengine.cpp:1032
#44 0x00007fb966b283b4 in QQmlApplicationEngine::~QQmlApplicationEngine() (this=0x5639eea1d900, __in_chrg=<optimized out>) at /home/david/projects/qt5/qtdeclarative/src/qml/qml/qqmlapplicationengine.cpp:244
#45 0x00007fb966b283d0 in QQmlApplicationEngine::~QQmlApplicationEngine() (this=0x5639eea1d900, __in_chrg=<optimized out>) at /home/david/projects/qt5/qtdeclarative/src/qml/qml/qqmlapplicationengine.cpp:249
#46 0x00005639ed1c42b1 in DiscoverObject::~DiscoverObject() (this=0x5639eea1cab0) at /home/david/projects/kde5/src/kde/workspace/discover/discover/DiscoverObject.cpp:162
#47 0x00005639ed1c4309 in DiscoverObject::~DiscoverObject() (this=0x5639eea1cab0) at /home/david/projects/kde5/src/kde/workspace/discover/discover/DiscoverObject.cpp:161
#48 0x00007fb965ffe887 in qDeleteInEventHandler(QObject*) (o=0x5639eea1cab0) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qobject.cpp:4784
#49 0x00007fb965ff6464 in QObject::event(QEvent*) (this=0x5639eea1cab0, e=0x5639ef059c60) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qobject.cpp:1326
#50 0x00007fb967de4315 in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=0x5639ee9268d0, receiver=0x5639eea1cab0, e=0x5639ef059c60) at /home/david/projects/qt5/qtbase/src/widgets/kernel/qapplication.cpp:3690
#51 0x00007fb967de1669 in QApplication::notify(QObject*, QEvent*) (this=0x7fffea1cf650, receiver=0x5639eea1cab0, e=0x5639ef059c60) at /home/david/projects/qt5/qtbase/src/widgets/kernel/qapplication.cpp:3036
#52 0x00007fb965fafc5f in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x5639eea1cab0, event=0x5639ef059c60) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:1092
#53 0x00007fb965fb066c in QCoreApplication::sendEvent(QObject*, QEvent*) (receiver=0x5639eea1cab0, event=0x5639ef059c60) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:1487
#54 0x00007fb965fb128e in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=0x0, event_type=52, data=0x5639ee91ff40) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:1832
#55 0x00007fb965fb0bda in QCoreApplication::sendPostedEvents(QObject*, int) (receiver=0x0, event_type=52) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:1691
#56 0x00007fb965fb059d in QCoreApplicationPrivate::execCleanup() (this=0x5639ee9268d0) at /home/david/projects/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:1422
#57 0x00007fb965fb04f2 in QCoreApplication::exec() () at /home/david/projects/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:1404
#58 0x00007fb9675267e0 in QGuiApplication::exec() () at /home/david/projects/qt5/qtbase/src/gui/kernel/qguiapplication.cpp:1845
#59 0x00007fb967de0e9f in QApplication::exec() () at /home/david/projects/qt5/qtbase/src/widgets/kernel/qapplication.cpp:2836
#60 0x00005639ed1c0612 in main(int, char**) (argc=1, argv=0x7fffea1cf7a8) at /home/david/projects/kde5/src/kde/workspace/discover/discover/main.cpp:168
[Inferior 1 (process 6634) detached]

Reported using DrKonqi
Comment 1 David Edmundson 2019-10-10 12:35:25 UTC 
This is the most relevant part:

#12 QtPrivate::List<QObject*>, void, QQmlContext::setContextProperty(const

from


#21 0x00007fb95c7526af in DelegateRecycler::~DelegateRecycler() 

after a 


#43 0x00007fb966a905b1 in QQmlEngine::~QQmlEngine() (this=0x5639eea1d900, __in_chrg=<optimized out>) at /home/david/projects/qt5/qtdeclarative/src/qml/qml/qqmlengine.cpp:1032
Comment 2 Justin Zobel 2022-09-27 08:23:46 UTC 
Thank you for reporting this crash in KDE software. As it has been a while since this issue was reported, can we please ask you to see if you can reproduce the crash with a recent software version?

If you can reproduce the issue, please change the status to "CONFIRMED" when replying. Thank you!
Comment 3 Bug Janitor Service 2022-10-12 04:55:07 UTC 
Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please
mark the bug as REPORTED so that the KDE team knows that the bug is
ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!
Comment 4 Bug Janitor Service 2022-10-27 05:05:27 UTC 
This bug has been in NEEDSINFO status with no change for at least
30 days. The bug is now closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

Thank you for helping us make KDE software even better for everyone!