Bug 449920

Application: systemsettings5 (5.23.5)

Qt Version: 5.15.2
Frameworks Version: 5.90.0
Operating System: Linux 5.13.0-28-generic x86_64
Windowing System: Wayland
Distribution: Ubuntu 21.10
DrKonqi: 5.24.0 [KCrashBackend]

-- Information about the crash:
- What I was doing when the application crashed:
I have an external monitor connected to my laptop. I disabled the internal screen in the display settings, and clicked apply. System settings crashed.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Aborted

[KCrash Handler]
#4  __pthread_kill_implementation (no_tid=0, signo=6, threadid=140211509135744) at pthread_kill.c:44
#5  __pthread_kill_internal (signo=6, threadid=140211509135744) at pthread_kill.c:80
#6  __GI___pthread_kill (threadid=140211509135744, signo=signo@entry=6) at pthread_kill.c:91
#7  0x00007f858dc98476 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#8  0x00007f858dc7e7b7 in __GI_abort () at abort.c:79
#9  0x00007f858e123ba3 in QMessageLogger::fatal(char const*, ...) const () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f858bc5f354 in QtWaylandClient::QWaylandDisplay::checkError() const () from /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
#11 0x00007f858bc6006a in QtWaylandClient::QWaylandDisplay::flushRequests() () from /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
#12 0x00007f858e383a88 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f858e386f63 in QSocketNotifier::activated(QSocketDescriptor, QSocketNotifier::Type, QSocketNotifier::QPrivateSignal) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f858e387793 in QSocketNotifier::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f858ef4e6b3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f858e34c16a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f858e3a6155 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f858bff78bb in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f858c04af08 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f858bff5003 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f858e3a5548 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f858e34aa9b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f856a89fe36 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/kscreen/KSC_KWayland.so
#24 0x00007f856b137019 in KScreen::SetConfigOperation::start() () from /lib/x86_64-linux-gnu/libKF5Screen.so.7
#25 0x00007f858e37973e in QObject::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f858ef4e6b3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007f858e34c16a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f858e34f257 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f858e3a5ef7 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007f858bff78bb in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f858c04af08 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007f858bff5003 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007f858e3a5548 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007f858e34aa9b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007f856b12ebd1 in KScreen::ConfigOperation::exec() () from /lib/x86_64-linux-gnu/libKF5Screen.so.7
#36 0x00007f856b179469 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kcms/kcm_kscreen.so
#37 0x00007f858f9ba696 in ?? () from /lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#38 0x00007f858f9c22f7 in KCModuleProxy::save() () from /lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#39 0x00007f858fa08655 in ModuleView::moduleSave(KCModuleProxy*) () from /lib/x86_64-linux-gnu/libsystemsettingsview.so.3
#40 0x00007f858fa0ab16 in ?? () from /lib/x86_64-linux-gnu/libsystemsettingsview.so.3
#41 0x00007f858e383a88 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#42 0x00007f858f043846 in QAbstractButton::clicked(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#43 0x00007f858f043ace in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#44 0x00007f858f0456f4 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#45 0x00007f858f045917 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#46 0x00007f858ef9117e in QWidget::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#47 0x00007f858ef4e6b3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#48 0x00007f858ef562e4 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#49 0x00007f858e34c16a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#50 0x00007f858ef54dc7 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#51 0x00007f858efaa9b0 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#52 0x00007f858efadc45 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#53 0x00007f858ef4e6b3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#54 0x00007f858e34c16a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#55 0x00007f858e847257 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#56 0x00007f858e81c9bc in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#57 0x00007f858bc985b4 in ?? () from /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
#58 0x00007f858bff78bb in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#59 0x00007f858c04af08 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#60 0x00007f858bff5003 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#61 0x00007f858e3a5548 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#62 0x00007f858e34aa9b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#63 0x00007f858e353024 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#64 0x000055ccfdec561c in ?? ()
#65 0x00007f858dc7ffd0 in __libc_start_call_main (main=main@entry=0x55ccfdec4ae0, argc=argc@entry=1, argv=argv@entry=0x7fff68a19948) at ../sysdeps/nptl/libc_start_call_main.h:58
#66 0x00007f858dc8007d in __libc_start_main_impl (main=0x55ccfdec4ae0, argc=1, argv=0x7fff68a19948, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff68a19938) at ../csu/libc-start.c:409
#67 0x000055ccfdec62d5 in ?? ()
[Inferior 1 (process 3284) detached]

Possible duplicates by query: bug 449589, bug 446764, bug 443186, bug 439797.

Reported using DrKonqi