Bug 416691

Summary: System Settings Crash Opon Open Several tabs
Product: [Applications] systemsettings Reporter: MoopMoop <gaelanhortness>
Component: generalAssignee: Plasma Bugs List <plasma-bugs>
Status: RESOLVED DOWNSTREAM    
Severity: crash CC: gaelanhortness, kde, kde
Priority: NOR Keywords: drkonqi
Version: 5.17.5   
Target Milestone: ---   
Platform: Fedora RPMs   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description MoopMoop 2020-01-24 12:41:03 UTC 
Application: systemsettings5 (5.17.5)

Qt Version: 5.13.2
Frameworks Version: 5.64.0
Operating System: Linux 5.4.8-200.fc31.x86_64 x86_64
Distribution: Fedora 31 (MATE-Compiz)

-- Information about the crash:
- What I was doing when the application crashed: The App Crashed Multiple Times, Open opening the "Window Decorations" tab and "Colors" Tab (Most others too) every time it would load pop-up that the app crashed and close.  Both tabs where tryed multipule times

my system
not shure exactly but
HP Pravilion sleekbook T1
AMD A6 from some year
8gb ram
8gb swap
Intragrted grafics 
Fedora 31 (installed with dnf)

- Custom settings of the application:
Layan Theme thats bout it

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f921cf71800 (LWP 9627))]

Thread 18 (Thread 0x7f91c5787700 (LWP 9650)):
#0  0x00007f921fd2bd45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f9206bf411b in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f9206bf3d2b in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f921fd254e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f92211a9693 in clone () from /lib64/libc.so.6

Thread 17 (Thread 0x7f91c65ed700 (LWP 9648)):
#0  0x00007f922119a44c in read () from /lib64/libc.so.6
#1  0x00007f921f41c53f in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#2  0x00007f921f3d4357 in g_main_context_check () from /lib64/libglib-2.0.so.0
#3  0x00007f921f3d47b2 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#4  0x00007f921f3d4943 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#5  0x00007f92217308b3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f92216da24b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#7  0x00007f922152ac75 in QThread::exec() () from /lib64/libQt5Core.so.5
#8  0x00007f92207fc399 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#9  0x00007f922152bdc6 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#10 0x00007f921fd254e2 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f92211a9693 in clone () from /lib64/libc.so.6

Thread 16 (Thread 0x7f91c77fe700 (LWP 9646)):
#0  0x00007f921fd2bd45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f9206bf411b in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f9206bf3d2b in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f921fd254e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f92211a9693 in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x7f91c7fff700 (LWP 9645)):
#0  0x00007f921fd2bd45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f9206bf411b in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f9206bf3d2b in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f921fd254e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f92211a9693 in clone () from /lib64/libc.so.6

Thread 14 (Thread 0x7f91d910b700 (LWP 9644)):
#0  0x00007f921fd2bd45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f9206bf411b in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f9206bf3d2b in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f921fd254e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f92211a9693 in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x7f91d990c700 (LWP 9643)):
#0  0x00007f921fd2bd45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f9206bf411b in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f9206bf3d2b in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f921fd254e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f92211a9693 in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7f91dba39700 (LWP 9642)):
#0  0x00007f921f420a4d in g_mutex_lock () from /lib64/libglib-2.0.so.0
#1  0x00007f921f3d39f8 in g_main_context_release () from /lib64/libglib-2.0.so.0
#2  0x00007f921f3d47c9 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007f921f3d4943 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007f92217308b3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f92216da24b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f922152ac75 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007f92207fc399 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#8  0x00007f922152bdc6 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007f921fd254e2 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f92211a9693 in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7f91f90bd700 (LWP 9640)):
#0  0x00007f922119ea6f in poll () from /lib64/libc.so.6
#1  0x00007f921f3d480e in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f921f3d4943 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f92217308b3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f92216da24b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f922152ac75 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f92207fc399 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007f922152bdc6 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f921fd254e2 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f92211a9693 in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7f91f9a8e700 (LWP 9636)):
#0  0x00007f921fd2bd45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f9206bf411b in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f9206bf3d2b in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f921fd254e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f92211a9693 in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7f91fa28f700 (LWP 9635)):
#0  0x00007f921fd2bd45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f9206bf411b in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f9206bf3d2b in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f921fd254e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f92211a9693 in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f91faa90700 (LWP 9634)):
#0  0x00007f921fd2bd45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f9206bf411b in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f9206bf3d2b in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f921fd254e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f92211a9693 in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f91fb291700 (LWP 9633)):
#0  0x00007f921fd2bd45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f9206bf411b in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f9206bf3d2b in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f921fd254e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f92211a9693 in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f920498d700 (LWP 9632)):
#0  0x00007f921fd2bd45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f9206bf411b in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f9206bf3d2b in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f921fd254e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f92211a9693 in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f920518e700 (LWP 9631)):
#0  0x00007f921fd2bd45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f9206bf411b in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f9206bf3d2b in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f921fd254e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f92211a9693 in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f92062e1700 (LWP 9630)):
#0  0x00007f921fd2bd45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f9206bf411b in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f9206bf3d2b in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f921fd254e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f92211a9693 in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f920d6ab700 (LWP 9629)):
#0  0x00007f922119a44c in read () from /lib64/libc.so.6
#1  0x00007f921f41c53f in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#2  0x00007f921f3d4357 in g_main_context_check () from /lib64/libglib-2.0.so.0
#3  0x00007f921f3d47b2 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#4  0x00007f921f3d4943 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#5  0x00007f92217308b3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f92216da24b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#7  0x00007f922152ac75 in QThread::exec() () from /lib64/libQt5Core.so.5
#8  0x00007f92219b6f6a in QDBusConnectionManager::run() () from /lib64/libQt5DBus.so.5
#9  0x00007f922152bdc6 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#10 0x00007f921fd254e2 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f92211a9693 in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f920fc45700 (LWP 9628)):
#0  0x00007f922119ea6f in poll () from /lib64/libc.so.6
#1  0x00007f921fce438a in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x00007f921fce5fea in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x00007f920fe38d48 in QXcbEventQueue::run() () from /lib64/libQt5XcbQpa.so.5
#4  0x00007f922152bdc6 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#5  0x00007f921fd254e2 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f92211a9693 in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f921cf71800 (LWP 9627)):
[KCrash Handler]
#6  0x00007f9222116034 in QWidget::style() const () from /lib64/libQt5Widgets.so.5
#7  0x00007f920eca06dc in dstyle::Style::drawComboBoxLabelControl(QStyleOption const*, QPainter*, QWidget const*) const () from /usr/lib64/qt5/plugins/styles/libdstyleplugin.so
#8  0x00007f920ec8e756 in dstyle::Style::drawControl(QStyle::ControlElement, QStyleOption const*, QPainter*, QWidget const*) const () from /usr/lib64/qt5/plugins/styles/libdstyleplugin.so
#9  0x00007f91dbaae81a in KQuickStyleItem::paint(QPainter*) () from /usr/lib64/qt5/qml/org/kde/qqc2desktopstyle/private/libqqc2desktopstyleplugin.so
#10 0x00007f91dbaaee04 in KQuickStyleItem::updatePolish() () from /usr/lib64/qt5/qml/org/kde/qqc2desktopstyle/private/libqqc2desktopstyleplugin.so
#11 0x00007f9220bcfedb in QQuickWindowPrivate::polishItems() () from /lib64/libQt5Quick.so.5
#12 0x00007f9220c9c892 in QQuickRenderControl::polishItems() () from /lib64/libQt5Quick.so.5
#13 0x00007f9220e9ee89 in QQuickWidgetPrivate::render(bool) () from /lib64/libQt5QuickWidgets.so.5
#14 0x00007f9220ea1e3f in QQuickWidget::resizeEvent(QResizeEvent*) () from /lib64/libQt5QuickWidgets.so.5
#15 0x00007f922212f4ae in QWidget::event(QEvent*) () from /lib64/libQt5Widgets.so.5
#16 0x00007f9220ea2cf3 in QQuickWidget::event(QEvent*) () from /lib64/libQt5QuickWidgets.so.5
#17 0x00007f92220ebab6 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#18 0x00007f92220f5150 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#19 0x00007f92216db458 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#20 0x00007f922212787e in QWidgetPrivate::sendPendingMoveAndResizeEvents(bool, bool) () from /lib64/libQt5Widgets.so.5
#21 0x00007f922212b617 in QWidgetPrivate::show_helper() () from /lib64/libQt5Widgets.so.5
#22 0x00007f922212e76b in QWidgetPrivate::setVisible(bool) () from /lib64/libQt5Widgets.so.5
#23 0x00007f922212b5d0 in QWidgetPrivate::showChildren(bool) () from /lib64/libQt5Widgets.so.5
#24 0x00007f922212b633 in QWidgetPrivate::show_helper() () from /lib64/libQt5Widgets.so.5
#25 0x00007f922212e76b in QWidgetPrivate::setVisible(bool) () from /lib64/libQt5Widgets.so.5
#26 0x00007f922212b5d0 in QWidgetPrivate::showChildren(bool) () from /lib64/libQt5Widgets.so.5
#27 0x00007f922212b633 in QWidgetPrivate::show_helper() () from /lib64/libQt5Widgets.so.5
#28 0x00007f922212b5ba in QWidgetPrivate::showChildren(bool) () from /lib64/libQt5Widgets.so.5
#29 0x00007f922212b633 in QWidgetPrivate::show_helper() () from /lib64/libQt5Widgets.so.5
#30 0x00007f922212e76b in QWidgetPrivate::setVisible(bool) () from /lib64/libQt5Widgets.so.5
#31 0x00007f922212b5d0 in QWidgetPrivate::showChildren(bool) () from /lib64/libQt5Widgets.so.5
#32 0x00007f922212b633 in QWidgetPrivate::show_helper() () from /lib64/libQt5Widgets.so.5
#33 0x00007f922212b5ba in QWidgetPrivate::showChildren(bool) () from /lib64/libQt5Widgets.so.5
#34 0x00007f922212b633 in QWidgetPrivate::show_helper() () from /lib64/libQt5Widgets.so.5
#35 0x00007f922212b5ba in QWidgetPrivate::showChildren(bool) () from /lib64/libQt5Widgets.so.5
#36 0x00007f922212b633 in QWidgetPrivate::show_helper() () from /lib64/libQt5Widgets.so.5
#37 0x00007f922212e76b in QWidgetPrivate::setVisible(bool) () from /lib64/libQt5Widgets.so.5
#38 0x00007f922212b5d0 in QWidgetPrivate::showChildren(bool) () from /lib64/libQt5Widgets.so.5
#39 0x00007f922212b633 in QWidgetPrivate::show_helper() () from /lib64/libQt5Widgets.so.5
#40 0x00007f922212e76b in QWidgetPrivate::setVisible(bool) () from /lib64/libQt5Widgets.so.5
#41 0x00007f9221705ad0 in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#42 0x00007f9222d15123 in ModuleView::moduleChanged(bool) () from /lib64/libsystemsettingsview.so.3
#43 0x00007f9222d1a6a5 in ModuleView::stateChanged() () from /lib64/libsystemsettingsview.so.3
#44 0x00007f9222d1a838 in ModuleView::activeModuleChanged(KPageWidgetItem*, KPageWidgetItem*) () from /lib64/libsystemsettingsview.so.3
#45 0x00007f922170598b in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#46 0x00007f92229cd9af in KPageWidget::currentPageChanged(KPageWidgetItem*, KPageWidgetItem*) () from /lib64/libKF5WidgetsAddons.so.5
#47 0x00007f92229cdba6 in KPageWidget::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () from /lib64/libKF5WidgetsAddons.so.5
#48 0x00007f922170598b in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#49 0x00007f92229c794b in KPageView::currentPageChanged(QModelIndex const&, QModelIndex const&) () from /lib64/libKF5WidgetsAddons.so.5
#50 0x00007f92229c9375 in KPageViewPrivate::_k_pageSelected(QItemSelection const&, QItemSelection const&) () from /lib64/libKF5WidgetsAddons.so.5
#51 0x00007f922170598b in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#52 0x00007f922169821b in QItemSelectionModel::selectionChanged(QItemSelection const&, QItemSelection const&) () from /lib64/libQt5Core.so.5
#53 0x00007f922169db96 in QItemSelectionModel::emitSelectionChanged(QItemSelection const&, QItemSelection const&) () from /lib64/libQt5Core.so.5
#54 0x00007f922169f544 in QItemSelectionModel::select(QItemSelection const&, QFlags<QItemSelectionModel::SelectionFlag>) () from /lib64/libQt5Core.so.5
#55 0x00007f922169a951 in QItemSelectionModel::select(QModelIndex const&, QFlags<QItemSelectionModel::SelectionFlag>) () from /lib64/libQt5Core.so.5
#56 0x00007f92216985c4 in QItemSelectionModel::setCurrentIndex(QModelIndex const&, QFlags<QItemSelectionModel::SelectionFlag>) () from /lib64/libQt5Core.so.5
#57 0x00007f92229c8007 in KPageViewPrivate::updateSelection() () from /lib64/libKF5WidgetsAddons.so.5
#58 0x00007f92229c9192 in KPageViewPrivate::_k_modelChanged() () from /lib64/libKF5WidgetsAddons.so.5
#59 0x00007f922170598b in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#60 0x00007f92216899ca in QAbstractItemModel::layoutChanged(QList<QPersistentModelIndex> const&, QAbstractItemModel::LayoutChangeHint) () from /lib64/libQt5Core.so.5
#61 0x00007f92229cf670 in KPageWidgetModel::addPage(KPageWidgetItem*) () from /lib64/libKF5WidgetsAddons.so.5
#62 0x00007f9222d1b22e in ModuleView::addModule(KCModuleInfo*) () from /lib64/libsystemsettingsview.so.3
#63 0x00007f9222d1b60d in ModuleView::loadModule(QModelIndex const&) () from /lib64/libsystemsettingsview.so.3
#64 0x00007f920413fbbf in SidebarMode::changeModule(QModelIndex const&) () from /usr/lib64/qt5/plugins/systemsettings_sidebar_mode.so
#65 0x00007f920413fcb1 in SidebarMode::setActiveCategory(int) () from /usr/lib64/qt5/plugins/systemsettings_sidebar_mode.so
#66 0x00007f920413d2f7 in SidebarMode::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib64/qt5/plugins/systemsettings_sidebar_mode.so
#67 0x00007f920413d5cb in SidebarMode::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/qt5/plugins/systemsettings_sidebar_mode.so
#68 0x00007f9220694812 in QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*, QV4::Value const&) () from /lib64/libQt5Qml.so.5
#69 0x00007f922069564e in QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, QV4::Value const&) () from /lib64/libQt5Qml.so.5
#70 0x00007f92206957a1 in QV4::QObjectWrapper::virtualPut(QV4::Managed*, QV4::PropertyKey, QV4::Value const&, QV4::Value*) () from /lib64/libQt5Qml.so.5
#71 0x00007f922065881c in QV4::Object::virtualResolveLookupSetter(QV4::Object*, QV4::ExecutionEngine*, QV4::Lookup*, QV4::Value const&) () from /lib64/libQt5Qml.so.5
#72 0x00007f92206ae4c3 in QV4::Moth::VME::interpret(QV4::CppStackFrame*, QV4::ExecutionEngine*, char const*) () from /lib64/libQt5Qml.so.5
#73 0x00007f92206b2f9f in QV4::Moth::VME::exec(QV4::CppStackFrame*, QV4::ExecutionEngine*) () from /lib64/libQt5Qml.so.5
#74 0x00007f922063f7bf in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) () from /lib64/libQt5Qml.so.5
#75 0x00007f92207c8b37 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () from /lib64/libQt5Qml.so.5
#76 0x00007f922076956c in QQmlBoundSignalExpression::evaluate(void**) () from /lib64/libQt5Qml.so.5
#77 0x00007f922076a738 in QQmlBoundSignal_callback(QQmlNotifierEndpoint*, void**) () from /lib64/libQt5Qml.so.5
#78 0x00007f92207ac0dd in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /lib64/libQt5Qml.so.5
#79 0x00007f92207498e5 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () from /lib64/libQt5Qml.so.5
#80 0x00007f92217053af in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#81 0x00007f920f03d488 in QQuickAbstractButtonPrivate::handleRelease(QPointF const&) () from /lib64/libQt5QuickTemplates2.so.5
#82 0x00007f920f05ac09 in QQuickControl::mouseReleaseEvent(QMouseEvent*) () from /lib64/libQt5QuickTemplates2.so.5
#83 0x00007f9220bbd088 in QQuickItem::event(QEvent*) () from /lib64/libQt5Quick.so.5
#84 0x00007f92220ebab6 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#85 0x00007f92220f5150 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#86 0x00007f92216db458 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#87 0x00007f9220bd85e5 in QQuickWindowPrivate::deliverMouseEvent(QQuickPointerMouseEvent*) () from /lib64/libQt5Quick.so.5
#88 0x00007f9220bd9ceb in QQuickWindowPrivate::deliverPointerEvent(QQuickPointerEvent*) () from /lib64/libQt5Quick.so.5
#89 0x00007f9220bdaa99 in QQuickWindowPrivate::handleMouseEvent(QMouseEvent*) () from /lib64/libQt5Quick.so.5
#90 0x00007f9221b5ec3d in QWindow::event(QEvent*) () from /lib64/libQt5Gui.so.5
#91 0x00007f9220bdbfe9 in QQuickWindow::event(QEvent*) () from /lib64/libQt5Quick.so.5
#92 0x00007f92220ebab6 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#93 0x00007f92220f5150 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#94 0x00007f92216db458 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#95 0x00007f9220ea2b4b in QQuickWidget::mouseReleaseEvent(QMouseEvent*) () from /lib64/libQt5QuickWidgets.so.5
#96 0x00007f922212ec7e in QWidget::event(QEvent*) () from /lib64/libQt5Widgets.so.5
#97 0x00007f9220ea2cf3 in QQuickWidget::event(QEvent*) () from /lib64/libQt5QuickWidgets.so.5
#98 0x00007f92220ebab6 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#99 0x00007f92220f53a3 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#100 0x00007f92216db458 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#101 0x00007f92220f44b7 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) () from /lib64/libQt5Widgets.so.5
#102 0x00007f922214ac8d in QWidgetWindow::handleMouseEvent(QMouseEvent*) () from /lib64/libQt5Widgets.so.5
#103 0x00007f922214dc8c in QWidgetWindow::event(QEvent*) () from /lib64/libQt5Widgets.so.5
#104 0x00007f92220ebab6 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#105 0x00007f92220f5150 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#106 0x00007f92216db458 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#107 0x00007f9221b54b83 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /lib64/libQt5Gui.so.5
#108 0x00007f9221b5637b in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /lib64/libQt5Gui.so.5
#109 0x00007f9221b326eb in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Gui.so.5
#110 0x00007f920fe39d5e in xcbSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt5XcbQpa.so.5
#111 0x00007f921f3d4510 in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#112 0x00007f921f3d48a0 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#113 0x00007f921f3d4943 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#114 0x00007f9221730895 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#115 0x00007f92216da24b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#116 0x00007f92216e2126 in QCoreApplication::exec() () from /lib64/libQt5Core.so.5
#117 0x0000563afe61786e in main ()
[Inferior 1 (process 9627) detached]

Possible duplicates by query: bug 410600, bug 399051, bug 388442, bug 388419, bug 225542.

Reported using DrKonqi
Comment 1 David Edmundson 2020-01-24 12:50:29 UTC 
>libdstyleplugin

What is your widget style set to?
Comment 2 MoopMoop 2020-01-24 15:42:46 UTC 
My theme and wigits are set to Layan
Comment 3 MoopMoop 2020-01-24 16:10:10 UTC 
I tryed to change the teame back to Fedora 31 (the default) and the problem prosisted
Comment 4 David Edmundson 2020-01-24 16:19:07 UTC 
>My theme and wigits are set to Layan

Backtrace says it's crashing in there.

If you claim it happens with the default theme please include a backtrace of that.
Comment 5 MoopMoop 2020-01-24 16:26:47 UTC 
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f98ecfee800 (LWP 16709))]

Thread 18 (Thread 0x7f98955ac700 (LWP 16733)):
#0  0x00007f98efda8d45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f98d6c6b11b in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f98d6c6ad2b in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f98efda24e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f98f1226693 in clone () from /lib64/libc.so.6

Thread 17 (Thread 0x7f98965ed700 (LWP 16731)):
#0  0x00007ffc1f0db6cb in ?? ()
#1  0x00007ffc1f0db918 in clock_gettime ()
#2  0x00007f98f11ed6ab in clock_gettime@GLIBC_2.2.5 () from /lib64/libc.so.6
#3  0x00007f98f17ad0a5 in qt_gettime() () from /lib64/libQt5Core.so.5
#4  0x00007f98f17abbed in QTimerInfoList::updateCurrentTime() () from /lib64/libQt5Core.so.5
#5  0x00007f98f17abff9 in QTimerInfoList::timerWait(timespec&) () from /lib64/libQt5Core.so.5
#6  0x00007f98f17ad564 in timerSourcePrepareHelper(GTimerSource*, int*) () from /lib64/libQt5Core.so.5
#7  0x00007f98f17ad612 in timerSourcePrepare(_GSource*, int*) () from /lib64/libQt5Core.so.5
#8  0x00007f98ef450d8a in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#9  0x00007f98ef45173b in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#10 0x00007f98ef451943 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#11 0x00007f98f17ad8b3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#12 0x00007f98f175724b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#13 0x00007f98f15a7c75 in QThread::exec() () from /lib64/libQt5Core.so.5
#14 0x00007f98f0879399 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#15 0x00007f98f15a8dc6 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#16 0x00007f98efda24e2 in start_thread () from /lib64/libpthread.so.0
#17 0x00007f98f1226693 in clone () from /lib64/libc.so.6

Thread 16 (Thread 0x7f98977fe700 (LWP 16728)):
#0  0x00007f98efda8d45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f98d6c6b11b in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f98d6c6ad2b in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f98efda24e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f98f1226693 in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x7f9897fff700 (LWP 16727)):
#0  0x00007f98efda8d45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f98d6c6b11b in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f98d6c6ad2b in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f98efda24e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f98f1226693 in clone () from /lib64/libc.so.6

Thread 14 (Thread 0x7f98a9181700 (LWP 16726)):
#0  0x00007f98efda8d45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f98d6c6b11b in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f98d6c6ad2b in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f98efda24e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f98f1226693 in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x7f98a9982700 (LWP 16725)):
#0  0x00007f98efda8d45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f98d6c6b11b in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f98d6c6ad2b in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f98efda24e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f98f1226693 in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7f98abaaf700 (LWP 16724)):
#0  0x00007f98f121ba6f in poll () from /lib64/libc.so.6
#1  0x00007f98ef45180e in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f98ef451943 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f98f17ad8b3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f98f175724b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f98f15a7c75 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f98f0879399 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007f98f15a8dc6 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f98efda24e2 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f98f1226693 in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7f98c90b6700 (LWP 16722)):
#0  0x00007f98ef49da78 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x00007f98ef450d7d in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#2  0x00007f98ef45173b in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007f98ef451943 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007f98f17ad8b3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f98f175724b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f98f15a7c75 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007f98f0879399 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#8  0x00007f98f15a8dc6 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007f98efda24e2 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f98f1226693 in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7f98c9a8e700 (LWP 16719)):
#0  0x00007f98efda8d45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f98d6c6b11b in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f98d6c6ad2b in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f98efda24e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f98f1226693 in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7f98ca28f700 (LWP 16718)):
#0  0x00007f98efda8d45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f98d6c6b11b in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f98d6c6ad2b in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f98efda24e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f98f1226693 in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f98caa90700 (LWP 16717)):
#0  0x00007f98efda8d45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f98d6c6b11b in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f98d6c6ad2b in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f98efda24e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f98f1226693 in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f98cb291700 (LWP 16716)):
#0  0x00007f98efda8d45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f98d6c6b11b in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f98d6c6ad2b in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f98efda24e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f98f1226693 in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f98d4a04700 (LWP 16715)):
#0  0x00007f98efda8d45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f98d6c6b11b in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f98d6c6ad2b in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f98efda24e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f98f1226693 in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f98d5205700 (LWP 16714)):
#0  0x00007f98efda8d45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f98d6c6b11b in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f98d6c6ad2b in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f98efda24e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f98f1226693 in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f98d6358700 (LWP 16713)):
#0  0x00007f98efda8d45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f98d6c6b11b in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f98d6c6ad2b in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f98efda24e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f98f1226693 in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f98dd728700 (LWP 16712)):
#0  0x00007f98f121ba6f in poll () from /lib64/libc.so.6
#1  0x00007f98ef45180e in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f98ef451943 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f98f17ad8b3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f98f175724b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f98f15a7c75 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f98f1a33f6a in QDBusConnectionManager::run() () from /lib64/libQt5DBus.so.5
#7  0x00007f98f15a8dc6 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f98efda24e2 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f98f1226693 in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f98dfcc2700 (LWP 16711)):
#0  0x00007f98f121ba6f in poll () from /lib64/libc.so.6
#1  0x00007f98efd6138a in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x00007f98efd62fea in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x00007f98dfeb5d48 in QXcbEventQueue::run() () from /lib64/libQt5XcbQpa.so.5
#4  0x00007f98f15a8dc6 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#5  0x00007f98efda24e2 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f98f1226693 in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f98ecfee800 (LWP 16709)):
[KCrash Handler]
#6  0x00007f98f2193034 in QWidget::style() const () from /lib64/libQt5Widgets.so.5
#7  0x00007f98ded1d6dc in dstyle::Style::drawComboBoxLabelControl(QStyleOption const*, QPainter*, QWidget const*) const () from /usr/lib64/qt5/plugins/styles/libdstyleplugin.so
#8  0x00007f98ded0b756 in dstyle::Style::drawControl(QStyle::ControlElement, QStyleOption const*, QPainter*, QWidget const*) const () from /usr/lib64/qt5/plugins/styles/libdstyleplugin.so
#9  0x00007f98c805e81a in KQuickStyleItem::paint(QPainter*) () from /usr/lib64/qt5/qml/org/kde/qqc2desktopstyle/private/libqqc2desktopstyleplugin.so
#10 0x00007f98c805ee04 in KQuickStyleItem::updatePolish() () from /usr/lib64/qt5/qml/org/kde/qqc2desktopstyle/private/libqqc2desktopstyleplugin.so
#11 0x00007f98f0c4cedb in QQuickWindowPrivate::polishItems() () from /lib64/libQt5Quick.so.5
#12 0x00007f98f0d19892 in QQuickRenderControl::polishItems() () from /lib64/libQt5Quick.so.5
#13 0x00007f98f0f1be89 in QQuickWidgetPrivate::render(bool) () from /lib64/libQt5QuickWidgets.so.5
#14 0x00007f98f0f1ee3f in QQuickWidget::resizeEvent(QResizeEvent*) () from /lib64/libQt5QuickWidgets.so.5
#15 0x00007f98f21ac4ae in QWidget::event(QEvent*) () from /lib64/libQt5Widgets.so.5
#16 0x00007f98f0f1fcf3 in QQuickWidget::event(QEvent*) () from /lib64/libQt5QuickWidgets.so.5
#17 0x00007f98f2168ab6 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#18 0x00007f98f2172150 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#19 0x00007f98f1758458 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
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#21 0x00007f98f21a8617 in QWidgetPrivate::show_helper() () from /lib64/libQt5Widgets.so.5
#22 0x00007f98f21ab76b in QWidgetPrivate::setVisible(bool) () from /lib64/libQt5Widgets.so.5
#23 0x00007f98f21a85d0 in QWidgetPrivate::showChildren(bool) () from /lib64/libQt5Widgets.so.5
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#25 0x00007f98f21ab76b in QWidgetPrivate::setVisible(bool) () from /lib64/libQt5Widgets.so.5
#26 0x00007f98f21a85d0 in QWidgetPrivate::showChildren(bool) () from /lib64/libQt5Widgets.so.5
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#28 0x00007f98f21a85ba in QWidgetPrivate::showChildren(bool) () from /lib64/libQt5Widgets.so.5
#29 0x00007f98f21a8633 in QWidgetPrivate::show_helper() () from /lib64/libQt5Widgets.so.5
#30 0x00007f98f21ab76b in QWidgetPrivate::setVisible(bool) () from /lib64/libQt5Widgets.so.5
#31 0x00007f98f21a85d0 in QWidgetPrivate::showChildren(bool) () from /lib64/libQt5Widgets.so.5
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#35 0x00007f98f21a85ba in QWidgetPrivate::showChildren(bool) () from /lib64/libQt5Widgets.so.5
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#37 0x00007f98f21ab76b in QWidgetPrivate::setVisible(bool) () from /lib64/libQt5Widgets.so.5
#38 0x00007f98f21a85d0 in QWidgetPrivate::showChildren(bool) () from /lib64/libQt5Widgets.so.5
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#40 0x00007f98f21ab76b in QWidgetPrivate::setVisible(bool) () from /lib64/libQt5Widgets.so.5
#41 0x00007f98f1782ad0 in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
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#44 0x00007f98f2d97838 in ModuleView::activeModuleChanged(KPageWidgetItem*, KPageWidgetItem*) () from /lib64/libsystemsettingsview.so.3
#45 0x00007f98f178298b in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
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#56 0x00007f98f17155c4 in QItemSelectionModel::setCurrentIndex(QModelIndex const&, QFlags<QItemSelectionModel::SelectionFlag>) () from /lib64/libQt5Core.so.5
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#59 0x00007f98f178298b in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
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#61 0x00007f98f2a4c670 in KPageWidgetModel::addPage(KPageWidgetItem*) () from /lib64/libKF5WidgetsAddons.so.5
#62 0x00007f98f2d9822e in ModuleView::addModule(KCModuleInfo*) () from /lib64/libsystemsettingsview.so.3
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#65 0x00007f98d41b6cb1 in SidebarMode::setActiveCategory(int) () from /usr/lib64/qt5/plugins/systemsettings_sidebar_mode.so
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#76 0x00007f98f07e656c in QQmlBoundSignalExpression::evaluate(void**) () from /lib64/libQt5Qml.so.5
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#78 0x00007f98f08290dd in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /lib64/libQt5Qml.so.5
#79 0x00007f98f07c68e5 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () from /lib64/libQt5Qml.so.5
#80 0x00007f98f17823af in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#81 0x00007f98df0ba488 in QQuickAbstractButtonPrivate::handleRelease(QPointF const&) () from /lib64/libQt5QuickTemplates2.so.5
#82 0x00007f98df0d7c09 in QQuickControl::mouseReleaseEvent(QMouseEvent*) () from /lib64/libQt5QuickTemplates2.so.5
#83 0x00007f98f0c3a088 in QQuickItem::event(QEvent*) () from /lib64/libQt5Quick.so.5
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#85 0x00007f98f2172150 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#86 0x00007f98f1758458 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#87 0x00007f98f0c555e5 in QQuickWindowPrivate::deliverMouseEvent(QQuickPointerMouseEvent*) () from /lib64/libQt5Quick.so.5
#88 0x00007f98f0c56ceb in QQuickWindowPrivate::deliverPointerEvent(QQuickPointerEvent*) () from /lib64/libQt5Quick.so.5
#89 0x00007f98f0c57a99 in QQuickWindowPrivate::handleMouseEvent(QMouseEvent*) () from /lib64/libQt5Quick.so.5
#90 0x00007f98f1bdbc3d in QWindow::event(QEvent*) () from /lib64/libQt5Gui.so.5
#91 0x00007f98f0c58fe9 in QQuickWindow::event(QEvent*) () from /lib64/libQt5Quick.so.5
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#95 0x00007f98f0f1fb4b in QQuickWidget::mouseReleaseEvent(QMouseEvent*) () from /lib64/libQt5QuickWidgets.so.5
#96 0x00007f98f21abc7e in QWidget::event(QEvent*) () from /lib64/libQt5Widgets.so.5
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#117 0x000055ba4a0df86e in main ()
[Inferior 1 (process 16709) detached]
Comment 6 Kai Uwe Broulik 2020-01-24 16:28:33 UTC 
Probably the style not checking for whether we have a widget in `drawComboBoxLabelControl`.
I've had the same crash in Adwaita-Qt because nobody expects ComboBox drawing icons from QtQuick (which you can't with current public Qt API).
Comment 7 MoopMoop 2020-01-24 16:32:52 UTC 
so is there anyway to fix this
Comment 8 David Edmundson 2020-01-24 16:59:54 UTC 
>/usr/lib64/qt5/plugins/styles/libdstyleplugin.so

That still says libdstyle, which isn't from anything we release.
I think it's deepin.