Application: systemsettings5 (5.8.4)

Qt Version: 5.7.1
Frameworks Version: 5.29.0
Operating System: Linux 4.8.13-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:
I lunc the application and after changing some settings and close it, it show the error.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb9c82661c0 (LWP 2093))]

Thread 6 (Thread 0x7fb990fa9700 (LWP 2106)):
#0  0x00007fb9c3f6748d in poll () from /usr/lib/libc.so.6
#1  0x00007fb9be34a786 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007fb9be34a89c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007fb9c488a2db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007fb9c4833d3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007fb9c4656063 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007fb9c465acf8 in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007fb9c0035454 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007fb9c3f707df in clone () from /usr/lib/libc.so.6

Thread 5 (Thread 0x7fb992fe6700 (LWP 2102)):
#0  0x00007fb9c3f6748d in poll () from /usr/lib/libc.so.6
#1  0x00007fb9be34a786 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007fb9be34a89c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007fb9c488a2db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007fb9c4833d3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007fb9c4656063 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007fb9c465acf8 in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007fb9c0035454 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007fb9c3f707df in clone () from /usr/lib/libc.so.6

Thread 4 (Thread 0x7fb999926700 (LWP 2100)):
#0  0x00007fb9c3f6748d in poll () from /usr/lib/libc.so.6
#1  0x00007fb9be34a786 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007fb9be34a89c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007fb9c488a2db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007fb9c4833d3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007fb9c4656063 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007fb9c29a9e75 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007fb9c465acf8 in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007fb9c0035454 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007fb9c3f707df in clone () from /usr/lib/libc.so.6

Thread 3 (Thread 0x7fb9ac1c9700 (LWP 2096)):
#0  0x00007fb9be38fdd4 in g_mutex_unlock () from /usr/lib/libglib-2.0.so.0
#1  0x00007fb9be34a8a6 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#2  0x00007fb9c488a2db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#3  0x00007fb9c4833d3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007fb9c4656063 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#5  0x00007fb9c519fde5 in ?? () from /usr/lib/libQt5DBus.so.5
#6  0x00007fb9c465acf8 in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007fb9c0035454 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007fb9c3f707df in clone () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7fb9b4acd700 (LWP 2095)):
#0  0x00007fb9c3f6748d in poll () from /usr/lib/libc.so.6
#1  0x00007fb9c08b88e0 in ?? () from /usr/lib/libxcb.so.1
#2  0x00007fb9c08ba679 in xcb_wait_for_event () from /usr/lib/libxcb.so.1
#3  0x00007fb9b6c1f789 in ?? () from /usr/lib/libQt5XcbQpa.so.5
#4  0x00007fb9c465acf8 in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007fb9c0035454 in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007fb9c3f707df in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7fb9c82661c0 (LWP 2093)):
[KCrash Handler]
#6  0x00007fb9c287acc0 in QV4::PersistentValueStorage::freePage(void*) () from /usr/lib/libQt5Qml.so.5
#7  0x00007fb9c287b3a2 in QV4::WeakValue::free() () from /usr/lib/libQt5Qml.so.5
#8  0x00007fb9c28ebe42 in QV4::QObjectWrapper::destroyObject(bool) () from /usr/lib/libQt5Qml.so.5
#9  0x00007fb9c278263f in QV4::MemoryManager::sweep(bool) () from /usr/lib/libQt5Qml.so.5
#10 0x00007fb9c2783a4c in QV4::MemoryManager::~MemoryManager() () from /usr/lib/libQt5Qml.so.5
#11 0x00007fb9c286af6b in QV4::ExecutionEngine::~ExecutionEngine() () from /usr/lib/libQt5Qml.so.5
#12 0x00007fb9c29ab926 in QV8Engine::~QV8Engine() () from /usr/lib/libQt5Qml.so.5
#13 0x00007fb9c29aba49 in QV8Engine::~QV8Engine() () from /usr/lib/libQt5Qml.so.5
#14 0x00007fb9c2802216 in QJSEngine::~QJSEngine() () from /usr/lib/libQt5Qml.so.5
#15 0x00007fb9c29160bd in QQmlEngine::~QQmlEngine() () from /usr/lib/libQt5Qml.so.5
#16 0x00007fb9c2916179 in QQmlEngine::~QQmlEngine() () from /usr/lib/libQt5Qml.so.5
#17 0x00007fb9c485f831 in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#18 0x00007fb9c48690df in QObject::~QObject() () from /usr/lib/libQt5Core.so.5
#19 0x00007fb9c2e744b4 in QQuickWindow::~QQuickWindow() () from /usr/lib/libQt5Quick.so.5
#20 0x00007fb9c2f23f89 in QQuickView::~QQuickView() () from /usr/lib/libQt5Quick.so.5
#21 0x00007fb9c64232a5 in QWindowContainer::~QWindowContainer() () from /usr/lib/libQt5Widgets.so.5
#22 0x00007fb9c64232c9 in QWindowContainer::~QWindowContainer() () from /usr/lib/libQt5Widgets.so.5
#23 0x00007fb9c485f831 in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#24 0x00007fb9c640130b in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#25 0x00007fb9c64015f9 in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#26 0x00007fb9c485f831 in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#27 0x00007fb9c640130b in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#28 0x00007fb9c64015f9 in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#29 0x00007fb9c485f831 in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#30 0x00007fb9c640130b in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#31 0x00007fb9c654ef69 in QStackedWidget::~QStackedWidget() () from /usr/lib/libQt5Widgets.so.5
#32 0x00007fb9c485f831 in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#33 0x00007fb9c640130b in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#34 0x00007fb9c655bd39 in QTabWidget::~QTabWidget() () from /usr/lib/libQt5Widgets.so.5
#35 0x00007fb9c485f831 in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#36 0x00007fb9c640130b in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#37 0x00007fb9a23ac0ce in ?? () from /usr/lib/qt/plugins/kcm_kwindecoration.so
#38 0x00007fb9c485f831 in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#39 0x00007fb9c640130b in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#40 0x00007fb9a23a79d1 in ?? () from /usr/lib/qt/plugins/kcm_kwindecoration.so
#41 0x00007fb9c7cca004 in KCModuleProxy::deleteClient() () from /usr/lib/libKF5KCMUtils.so.5
#42 0x00007fb9c7cca51c in KCModuleProxy::~KCModuleProxy() () from /usr/lib/libKF5KCMUtils.so.5
#43 0x00007fb9c7cca6d9 in KCModuleProxy::~KCModuleProxy() () from /usr/lib/libKF5KCMUtils.so.5
#44 0x00007fb9c485f831 in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#45 0x00007fb9c640130b in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#46 0x00007fb9c64015f9 in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#47 0x00007fb9c485f831 in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#48 0x00007fb9c640130b in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#49 0x00007fb9c6579fd9 in QScrollArea::~QScrollArea() () from /usr/lib/libQt5Widgets.so.5
#50 0x00007fb9c485f831 in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#51 0x00007fb9c640130b in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#52 0x00007fb9c6bc7bae in ?? () from /usr/lib/libKF5WidgetsAddons.so.5
#53 0x00007fb9c485f831 in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#54 0x00007fb9c640130b in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#55 0x00007fb9c6bcc4c9 in KPageWidget::~KPageWidget() () from /usr/lib/libKF5WidgetsAddons.so.5
#56 0x00007fb9c485f831 in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#57 0x00007fb9c640130b in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#58 0x00007fb9c7f0b859 in ModuleView::~ModuleView() () from /usr/lib/libsystemsettingsview.so.3
#59 0x00007fb9c485f831 in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#60 0x00007fb9c640130b in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#61 0x00007fb9c654ef69 in QStackedWidget::~QStackedWidget() () from /usr/lib/libQt5Widgets.so.5
#62 0x00007fb9c485f831 in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#63 0x00007fb9c640130b in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#64 0x00007fb9c654ef69 in QStackedWidget::~QStackedWidget() () from /usr/lib/libQt5Widgets.so.5
#65 0x00007fb9c485f831 in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#66 0x00007fb9c640130b in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#67 0x00007fb9c7a0a4ce in KMainWindow::~KMainWindow() () from /usr/lib/libKF5XmlGui.so.5
#68 0x000000000040ed87 in ?? ()
#69 0x000000000040edf9 in ?? ()
#70 0x00007fb9c4861f60 in QObject::event(QEvent*) () from /usr/lib/libQt5Core.so.5
#71 0x00007fb9c6405bab in QWidget::event(QEvent*) () from /usr/lib/libQt5Widgets.so.5
#72 0x00007fb9c6504d4b in QMainWindow::event(QEvent*) () from /usr/lib/libQt5Widgets.so.5
#73 0x00007fb9c7a0d00a in KMainWindow::event(QEvent*) () from /usr/lib/libKF5XmlGui.so.5
#74 0x00007fb9c7a5ea85 in KXmlGuiWindow::event(QEvent*) () from /usr/lib/libKF5XmlGui.so.5
#75 0x00007fb9c63be35c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#76 0x00007fb9c63c5ad1 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#77 0x00007fb9c48358e0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#78 0x00007fb9c483806d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQt5Core.so.5
#79 0x00007fb9c4889eb3 in ?? () from /usr/lib/libQt5Core.so.5
#80 0x00007fb9be34a587 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#81 0x00007fb9be34a7f0 in ?? () from /usr/lib/libglib-2.0.so.0
#82 0x00007fb9be34a89c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#83 0x00007fb9c488a2bf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#84 0x00007fb9c4833d3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#85 0x00007fb9c483c23c in QCoreApplication::exec() () from /usr/lib/libQt5Core.so.5
#86 0x000000000040c0b0 in ?? ()
#87 0x00007fb9c3ea8291 in __libc_start_main () from /usr/lib/libc.so.6
#88 0x000000000040c12a in _start ()

Reported using DrKonqi