Bug 415875

Summary:	System Setting crash
Product:	[Applications] systemsettings	Reporter:	bonfostar
Component:	general	Assignee:	Plasma Bugs List <plasma-bugs-null>
Status:	RESOLVED DUPLICATE
Severity:	crash	CC:	nate, phoenix.tidus
Priority:	NOR	Keywords:	drkonqi
Version First Reported In:	5.17.4
Target Milestone:	---
Platform:	Fedora RPMs
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:
Attachments:	New crash information added by DrKonqi

Description bonfostar 2020-01-04 18:18:36 UTC

Application: systemsettings5 (5.17.4)

Qt Version: 5.12.5
Frameworks Version: 5.64.0
Operating System: Linux 5.3.16-300.fc31.x86_64 x86_64
Distribution: "Fedora release 31 (Thirty One)"

-- Information about the crash:
- What I was doing when the application crashed:
Change frome GNOME style application tab to the windows decoration tab, it happens sporadically.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Impostazioni di sistema (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f5dfd58e800 (LWP 7153))]

Thread 8 (Thread 0x7f5dca926700 (LWP 7169)):
#0  0x00007f5dffa3da08 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x00007f5dff9f11f1 in g_main_context_check () from /lib64/libglib-2.0.so.0
#2  0x00007f5dff9f1742 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007f5dff9f18d3 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007f5e01d35da3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f5e01cdfcfb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f5e01b383a5 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007f5e00e19119 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#8  0x00007f5e01b394f6 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007f5e003424e2 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f5e017ba693 in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f5dd25e0700 (LWP 7167)):
#0  0x00007f5dffa3d9d4 in g_mutex_lock () from /lib64/libglib-2.0.so.0
#1  0x00007f5dff9f0d27 in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#2  0x00007f5dff9f16cb in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007f5dff9f18d3 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007f5e01d35da3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f5e01cdfcfb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f5e01b383a5 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007f5e00e19119 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#8  0x00007f5e01b394f6 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007f5e003424e2 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f5e017ba693 in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f5de53a9700 (LWP 7159)):
#0  0x00007f5dffa3da08 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x00007f5dff9f16be in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f5dff9f18d3 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f5e01d35da3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f5e01cdfcfb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f5e01b383a5 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f5e00e19119 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007f5e01b394f6 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f5e003424e2 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f5e017ba693 in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f5de74a6700 (LWP 7158)):
#0  0x00007f5dffa3da08 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x00007f5dff9f1759 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f5dff9f18d3 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f5e01d35da3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f5e01cdfcfb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f5e01b383a5 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f5e00e19119 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007f5e01b394f6 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f5e003424e2 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f5e017ba693 in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f5de7fff700 (LWP 7156)):
#0  0x00007f5e00348d45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f5ded4b719b in util_queue_thread_func () from /usr/lib64/dri/i965_dri.so
#2  0x00007f5ded4b6dab in impl_thrd_routine () from /usr/lib64/dri/i965_dri.so
#3  0x00007f5e003424e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f5e017ba693 in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f5def263700 (LWP 7155)):
#0  0x00007f5e017ab44c in read () from /lib64/libc.so.6
#1  0x00007f5dffa394cf in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#2  0x00007f5dff9f12e7 in g_main_context_check () from /lib64/libglib-2.0.so.0
#3  0x00007f5dff9f1742 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#4  0x00007f5dff9f18d3 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#5  0x00007f5e01d35da3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f5e01cdfcfb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#7  0x00007f5e01b383a5 in QThread::exec() () from /lib64/libQt5Core.so.5
#8  0x00007f5e01fb1f4a in QDBusConnectionManager::run() () from /lib64/libQt5DBus.so.5
#9  0x00007f5e01b394f6 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#10 0x00007f5e003424e2 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f5e017ba693 in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f5df0262700 (LWP 7154)):
#0  0x00007f5e017afa6f in poll () from /lib64/libc.so.6
#1  0x00007f5e0030138a in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x00007f5e00302fea in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x00007f5df0472ac8 in QXcbEventQueue::run() () from /lib64/libQt5XcbQpa.so.5
#4  0x00007f5e01b394f6 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#5  0x00007f5e003424e2 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f5e017ba693 in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f5dfd58e800 (LWP 7153)):
[KCrash Handler]
#6  0x00007f5e01bae6ba in QtSharedPointer::ExternalRefCountData::getAndRef(QObject const*) () from /lib64/libQt5Core.so.5
#7  0x00007f5e00de1cf8 in QQmlListReferencePrivate::init(QQmlListProperty<QObject> const&, int, QQmlEngine*) () from /lib64/libQt5Qml.so.5
#8  0x00007f5e00df0065 in QV4::QmlListWrapper::toVariant() const () from /lib64/libQt5Qml.so.5
#9  0x00007f5e00d32604 in toVariant(QV4::ExecutionEngine*, QV4::Value const&, int, bool, QSet<QV4::Heap::Object*>*) () from /lib64/libQt5Qml.so.5
#10 0x00007f5e00d32a69 in QV4::ExecutionEngine::toVariant(QV4::Value const&, int, bool) () from /lib64/libQt5Qml.so.5
#11 0x00007f5e00deab25 in QQmlBinding::slowWrite(QQmlPropertyData const&, QQmlPropertyData const&, QV4::Value const&, bool, QFlags<QQmlPropertyData::WriteFlag>) () from /lib64/libQt5Qml.so.5
#12 0x00007f5e00dec8f3 in GenericBinding<2>::write(QV4::Value const&, bool, QFlags<QQmlPropertyData::WriteFlag>) () from /lib64/libQt5Qml.so.5
#13 0x00007f5e00ded540 in QQmlNonbindingBinding::doUpdate(QQmlJavaScriptExpression::DeleteWatcher const&, QFlags<QQmlPropertyData::WriteFlag>, QV4::Scope&) () from /lib64/libQt5Qml.so.5
#14 0x00007f5e00de9c94 in QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () from /lib64/libQt5Qml.so.5
#15 0x00007f5e00df8826 in QQmlObjectCreator::finalize(QQmlInstantiationInterrupt&) () from /lib64/libQt5Qml.so.5
#16 0x00007f5e00d77f81 in QQmlComponentPrivate::complete(QQmlEnginePrivate*, QQmlComponentPrivate::ConstructionState*) () from /lib64/libQt5Qml.so.5
#17 0x00007f5e00d78092 in QQmlComponentPrivate::completeCreate() () from /lib64/libQt5Qml.so.5
#18 0x00007f5e00d77e98 in QQmlComponent::create(QQmlContext*) () from /lib64/libQt5Qml.so.5
#19 0x00007f5dd0054a8b in Aurorae::Decoration::init() () from /usr/lib64/qt5/plugins/org.kde.kdecoration2/kwin5_aurorae.so
#20 0x00007f5dd0f9af8d in KDecoration2::Preview::PreviewItem::componentComplete() () from /usr/lib64/qt5/qml/org/kde/kwin/private/kdecoration/libkdecorationprivatedeclarative.so
#21 0x00007f5e00df8a0c in QQmlObjectCreator::finalize(QQmlInstantiationInterrupt&) () from /lib64/libQt5Qml.so.5
#22 0x00007f5e00d7d1ba in QQmlIncubatorPrivate::incubate(QQmlInstantiationInterrupt&) () from /lib64/libQt5Qml.so.5
#23 0x00007f5e00d7d723 in QQmlEnginePrivate::incubate(QQmlIncubator&, QQmlContextData*) () from /lib64/libQt5Qml.so.5
#24 0x00007f5e00e661df in QQmlDelegateModelPrivate::object(QQmlListCompositor::Group, int, QQmlIncubator::IncubationMode) () from /lib64/libQt5Qml.so.5
#25 0x00007f5e00e66388 in QQmlDelegateModel::object(int, QQmlIncubator::IncubationMode) () from /lib64/libQt5Qml.so.5
#26 0x00007f5e012c7e46 in QQuickItemViewPrivate::createItem(int, QQmlIncubator::IncubationMode) () from /lib64/libQt5Quick.so.5
#27 0x00007f5e012bb80d in QQuickGridViewPrivate::addVisibleItems(double, double, double, double, bool) () from /lib64/libQt5Quick.so.5
#28 0x00007f5e012c8d64 in QQuickItemViewPrivate::refill(double, double) () from /lib64/libQt5Quick.so.5
#29 0x00007f5e012cb992 in QQuickItemViewPrivate::regenerate(bool) () from /lib64/libQt5Quick.so.5
#30 0x00007f5e012cbb6c in QQuickItemView::modelUpdated(QQmlChangeSet const&, bool) () from /lib64/libQt5Quick.so.5
#31 0x00007f5e012ccfda in QQuickItemView::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () from /lib64/libQt5Quick.so.5
#32 0x00007f5e01d0aecb in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#33 0x00007f5e00e3f09a in QQmlInstanceModel::modelUpdated(QQmlChangeSet const&, bool) () from /lib64/libQt5Qml.so.5
#34 0x00007f5e00e5b7fc in QQmlDelegateModelPrivate::emitModelUpdated(QQmlChangeSet const&, bool) () from /lib64/libQt5Qml.so.5
#35 0x00007f5e00e62eb2 in QQmlDelegateModelGroupPrivate::emitModelUpdated(bool) () from /lib64/libQt5Qml.so.5
#36 0x00007f5e00e63028 in QQmlDelegateModelPrivate::emitChanges() () from /lib64/libQt5Qml.so.5
#37 0x00007f5e00e6c6fa in QQmlDelegateModel::_q_modelReset() () from /lib64/libQt5Qml.so.5
#38 0x00007f5e00e6cc80 in QQmlDelegateModel::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () from /lib64/libQt5Qml.so.5
#39 0x00007f5e00e6d013 in QQmlDelegateModel::qt_metacall(QMetaObject::Call, int, void**) () from /lib64/libQt5Qml.so.5
#40 0x00007f5e01d0af8c in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#41 0x00007f5e01c97f3e in QAbstractItemModel::modelReset(QAbstractItemModel::QPrivateSignal) () from /lib64/libQt5Core.so.5
#42 0x00007f5e01cbf557 in QSortFilterProxyModelPrivate::_q_sourceReset() () from /lib64/libQt5Core.so.5
#43 0x00007f5e01cc3a50 in QSortFilterProxyModel::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () from /lib64/libQt5Core.so.5
#44 0x00007f5e01d0aecb in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#45 0x00007f5e01c97f3e in QAbstractItemModel::modelReset(QAbstractItemModel::QPrivateSignal) () from /lib64/libQt5Core.so.5
#46 0x00007f5dd11f5748 in KDecoration2::Configuration::DecorationsModel::init() () from /usr/lib64/qt5/plugins/kcms/kcm_kwindecoration.so
#47 0x00007f5e01d0bd4a in QObject::event(QEvent*) () from /lib64/libQt5Core.so.5
#48 0x00007f5e026e3ad6 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#49 0x00007f5e026ed150 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#50 0x00007f5e01ce0df8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#51 0x00007f5e01ce3d9b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQt5Core.so.5
#52 0x00007f5e01d35ff7 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt5Core.so.5
#53 0x00007f5dff9f14a0 in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#54 0x00007f5dff9f1830 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#55 0x00007f5dff9f18d3 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#56 0x00007f5e01d35d85 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#57 0x00007f5e01cdfcfb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#58 0x00007f5e01ce7a26 in QCoreApplication::exec() () from /lib64/libQt5Core.so.5
#59 0x000055a82a52786e in main ()
[Inferior 1 (process 7153) detached]

The reporter indicates this bug may be a duplicate of or related to bug 411166.

Possible duplicates by query: bug 415865, bug 415857, bug 415851, bug 415789, bug 415748.

Reported using DrKonqi

Comment 1 Nate Graham 2020-01-06 23:54:43 UTC


*** This bug has been marked as a duplicate of bug 411166 ***

Comment 2 Tidus Phoenix 2020-01-10 08:39:35 UTC

Created attachment 125008 [details]
New crash information added by DrKonqi

systemsettings5 (5.17.4) using Qt 5.13.2

- What I was doing when the application crashed:

When i change the setting to window decoration, it happens sometimes

-- Backtrace (Reduced):
#6  0x00007f3ab40858ca in QtSharedPointer::ExternalRefCountData::getAndRef(QObject const*) () from /lib64/libQt5Core.so.5
#7  0x00007f3ab32acc28 in QQmlListReferencePrivate::init(QQmlListProperty<QObject> const&, int, QQmlEngine*) () from /lib64/libQt5Qml.so.5
#8  0x00007f3ab32bae25 in QV4::QmlListWrapper::toVariant() const () from /lib64/libQt5Qml.so.5
#9  0x00007f3ab31fdbe4 in toVariant(QV4::ExecutionEngine*, QV4::Value const&, int, bool, QSet<QV4::Heap::Object*>*) () from /lib64/libQt5Qml.so.5
#10 0x00007f3ab31fe049 in QV4::ExecutionEngine::toVariant(QV4::Value const&, int, bool) () from /lib64/libQt5Qml.so.5