Application: systemsettings5 (5.20.2)

Qt Version: 5.15.1
Frameworks Version: 5.76.0
Operating System: Linux 5.9.8-2-default x86_64
Windowing system: X11
Distribution: "openSUSE Tumbleweed"

-- Information about the crash:
- What I was doing when the application crashed:
SystemSettings app 

I wanted to change its display to be Sidebar and then Crash.

The crash can be reproduced every time.

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

[New LWP 3806]
[New LWP 3807]
[New LWP 3839]
[New LWP 3840]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
0x00007f45e9fe483f in poll () from /lib64/libc.so.6
[Current thread is 1 (Thread 0x7f45e76f7840 (LWP 3805))]

Thread 5 (Thread 0x7f45c6387640 (LWP 3840)):
#0  0x00007f45e9fe483f in poll () from /lib64/libc.so.6
#1  0x00007f45e81c100e in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f45e81c112f in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f45ea5c6a9b in QEventDispatcherGlib::processEvents (this=0x7f45b8000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f45ea56deeb in QEventLoop::exec (this=this@entry=0x7f45c6386ca0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f45ea38ec9e in QThread::exec (this=this@entry=0x5602d319ca80) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f45e96192d5 in QQmlThreadPrivate::run (this=0x5602d319ca80) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-2.1.x86_64/src/qml/qml/ftw/qqmlthread.cpp:155
#7  0x00007f45ea38fde1 in QThreadPrivate::start (arg=0x5602d319ca80) at thread/qthread_unix.cpp:329
#8  0x00007f45e8b8e3e9 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f45e9fef943 in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f45c7fff640 (LWP 3839)):
#0  0x00007f45ea3902dc in QMutex::lock (this=this@entry=0x5602d2d8c970) at /usr/include/c++/10/bits/atomic_base.h:776
#1  0x00007f45ea5c6eb5 in QMutexLocker::QMutexLocker (m=0x5602d2d8c970, this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:233
#2  QThreadData::canWaitLocked (this=0x5602d2d8c940) at ../../include/QtCore/5.15.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:272
#3  postEventSourcePrepare (timeout=<synthetic pointer>, s=0x7f45c0004fe0) at kernel/qeventdispatcher_glib.cpp:260
#4  postEventSourceCheck (source=0x7f45c0004fe0) at kernel/qeventdispatcher_glib.cpp:270
#5  0x00007f45e81c0a72 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#6  0x00007f45e81c0fb5 in ?? () from /usr/lib64/libglib-2.0.so.0
#7  0x00007f45e81c112f in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#8  0x00007f45ea5c6a9b in QEventDispatcherGlib::processEvents (this=0x7f45c0000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#9  0x00007f45ea56deeb in QEventLoop::exec (this=this@entry=0x7f45c7ffeca0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#10 0x00007f45ea38ec9e in QThread::exec (this=this@entry=0x5602d2dc2070) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#11 0x00007f45e96192d5 in QQmlThreadPrivate::run (this=0x5602d2dc2070) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-2.1.x86_64/src/qml/qml/ftw/qqmlthread.cpp:155
#12 0x00007f45ea38fde1 in QThreadPrivate::start (arg=0x5602d2dc2070) at thread/qthread_unix.cpp:329
#13 0x00007f45e8b8e3e9 in start_thread () from /lib64/libpthread.so.0
#14 0x00007f45e9fef943 in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f45dffff640 (LWP 3807)):
#0  0x00007f45e8212124 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f45e81c04d5 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f45e81c0f3b in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f45e81c112f in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f45ea5c6a9b in QEventDispatcherGlib::processEvents (this=0x7f45d8000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f45ea56deeb in QEventLoop::exec (this=this@entry=0x7f45dfffec70, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f45ea38ec9e in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f45e92987c7 in ?? () from /usr/lib64/libQt5DBus.so.5
#8  0x00007f45ea38fde1 in QThreadPrivate::start (arg=0x7f45e9306420) at thread/qthread_unix.cpp:329
#9  0x00007f45e8b8e3e9 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f45e9fef943 in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f45e5614640 (LWP 3806)):
#0  0x00007f45e9fe483f in poll () from /lib64/libc.so.6
#1  0x00007f45e8bd5862 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007f45e8bd726c in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007f45e5826e10 in QXcbEventQueue::run (this=0x5602d2a9a590) at qxcbeventqueue.cpp:228
#4  0x00007f45ea38fde1 in QThreadPrivate::start (arg=0x5602d2a9a590) at thread/qthread_unix.cpp:329
#5  0x00007f45e8b8e3e9 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f45e9fef943 in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f45e76f7840 (LWP 3805)):
[KCrash Handler]
#4  0x00007f45e9f2ba65 in raise () from /lib64/libc.so.6
#5  0x00007f45e9f14864 in abort () from /lib64/libc.so.6
#6  0x00007f45ea3550f7 in qt_message_fatal (message=<synthetic pointer>..., context=...) at global/qlogging.cpp:1914
#7  QMessageLogger::fatal (this=this@entry=0x7ffe4a7e99c0, msg=msg@entry=0x7f45e9cfb008 "%s") at global/qlogging.cpp:893
#8  0x00007f45e9cf67f4 in QQuickWidgetPrivate::handleContextCreationFailure (this=this@entry=0x5602d2dafef0, format=...) at /usr/include/qt5/QtCore/qarraydata.h:208
#9  0x00007f45e9cf6af7 in QQuickWidgetPrivate::createContext (this=0x5602d2dafef0) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-2.1.x86_64/src/quickwidgets/qquickwidget.cpp:916
#10 0x00007f45e9cf9165 in QQuickWidget::resizeEvent (this=0x5602d2dc5b00, e=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-2.1.x86_64/src/quickwidgets/qquickwidget.cpp:1262
#11 0x00007f45eb24cda4 in QWidget::event (this=0x5602d2dc5b00, event=0x7ffe4a7e9c30) at kernel/qwidget.cpp:8804
#12 0x00007f45eb20c4ff in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x5602d2dc5b00, e=0x7ffe4a7e9c30) at kernel/qapplication.cpp:3630
#13 0x00007f45ea56f52a in QCoreApplication::notifyInternal2 (receiver=0x5602d2dc5b00, event=0x7ffe4a7e9c30) at ../../include/QtCore/5.15.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#14 0x00007f45eb2443e6 in QWidgetPrivate::sendPendingMoveAndResizeEvents (this=this@entry=0x5602d2dafef0, recursive=recursive@entry=false, disableUpdates=<optimized out>, disableUpdates@entry=false) at kernel/qwidget.cpp:7711
#15 0x00007f45eb248d03 in QWidgetPrivate::show_helper (this=this@entry=0x5602d2dafef0) at kernel/qwidget.cpp:7762
#16 0x00007f45eb24be93 in QWidgetPrivate::setVisible (this=0x5602d2dafef0, visible=<optimized out>) at kernel/qwidget.cpp:8111
#17 0x00007f45eb248c89 in QWidgetPrivate::showChildren (this=this@entry=0x5602d2d3d760, spontaneous=spontaneous@entry=false) at kernel/qwidget.cpp:8183
#18 0x00007f45eb248d1f in QWidgetPrivate::show_helper (this=this@entry=0x5602d2d3d760) at kernel/qwidget.cpp:7768
#19 0x00007f45eb24be93 in QWidgetPrivate::setVisible (this=0x5602d2d3d760, visible=<optimized out>) at kernel/qwidget.cpp:8111
#20 0x00007f45eb23159f in QStackedLayout::setCurrentIndex (this=0x5602d2bdca60, index=1) at kernel/qstackedlayout.cpp:321
#21 0x00005602d0e0eccb in SettingsBase::changePlugin (this=0x5602d2b97d40) at /usr/src/debug/systemsettings5-5.20.3-1.1.x86_64/app/SettingsBase.cpp:424
#22 0x00005602d0e118dd in SettingsBase::configUpdated (this=0x5602d2b97d40) at /usr/src/debug/systemsettings5-5.20.3-1.1.x86_64/app/SettingsBase.cpp:300
#23 0x00007f45ea5a5b06 in QtPrivate::QSlotObjectBase::call (a=0x7ffe4a7ea0e0, r=0x5602d2b97d40, this=0x5602d2dcfb10) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#24 doActivate<false> (sender=0x5602d2d94110, signal_index=8, argv=0x7ffe4a7ea0e0, argv@entry=0x0) at kernel/qobject.cpp:3886
#25 0x00007f45ea59ee60 in QMetaObject::activate (sender=sender@entry=0x5602d2d94110, m=m@entry=0x7f45eb718720, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x0) at kernel/qobject.cpp:3946
#26 0x00007f45eb403953 in QDialog::accepted (this=this@entry=0x5602d2d94110) at .moc/moc_qdialog.cpp:236
#27 0x00007f45eb403d98 in QDialogPrivate::finalize (this=<optimized out>, resultCode=1, dialogCode=<optimized out>) at dialogs/qdialog.cpp:176
#28 0x00007f45ea5a5b06 in QtPrivate::QSlotObjectBase::call (a=0x7ffe4a7ea1e0, r=0x5602d2d94110, this=0x5602d2d7f4b0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#29 doActivate<false> (sender=0x5602d2db7a90, signal_index=8, argv=0x7ffe4a7ea1e0, argv@entry=0x0) at kernel/qobject.cpp:3886
#30 0x00007f45ea59ee60 in QMetaObject::activate (sender=sender@entry=0x5602d2db7a90, m=m@entry=0x7f45eb7116a0 <QDialogButtonBox::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x0) at kernel/qobject.cpp:3946
#31 0x00007f45eb39ba43 in QDialogButtonBox::accepted (this=this@entry=0x5602d2db7a90) at .moc/moc_qdialogbuttonbox.cpp:287
#32 0x00007f45eb39c1c8 in QDialogButtonBoxPrivate::_q_handleButtonClicked (this=<optimized out>) at widgets/qdialogbuttonbox.cpp:878
#33 0x00007f45ea5a5b40 in doActivate<false> (sender=0x5602d2db54f0, signal_index=9, argv=argv@entry=0x7ffe4a7ea360) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395
#34 0x00007f45ea59ee60 in QMetaObject::activate (sender=sender@entry=0x5602d2db54f0, m=m@entry=0x7f45eb7084e0 <QAbstractButton::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7ffe4a7ea360) at kernel/qobject.cpp:3946
#35 0x00007f45eb2f91e2 in QAbstractButton::clicked (this=this@entry=0x5602d2db54f0, _t1=<optimized out>) at .moc/moc_qabstractbutton.cpp:308
#36 0x00007f45eb2f9b4a in QAbstractButtonPrivate::emitClicked (this=this@entry=0x5602d2dc8eb0) at widgets/qabstractbutton.cpp:415
#37 0x00007f45eb2fb49f in QAbstractButtonPrivate::click (this=this@entry=0x5602d2dc8eb0) at widgets/qabstractbutton.cpp:408
#38 0x00007f45eb2fb671 in QAbstractButton::mouseReleaseEvent (this=0x5602d2db54f0, e=0x7ffe4a7ea930) at widgets/qabstractbutton.cpp:1044
#39 0x00007f45eb24c34e in QWidget::event (this=0x5602d2db54f0, event=0x7ffe4a7ea930) at kernel/qwidget.cpp:9019
#40 0x00007f45eb20c4ff in QApplicationPrivate::notify_helper (this=this@entry=0x5602d2a90ba0, receiver=receiver@entry=0x5602d2db54f0, e=e@entry=0x7ffe4a7ea930) at kernel/qapplication.cpp:3630
#41 0x00007f45eb2133eb in QApplication::notify (this=0x7ffe4a7ea630, receiver=0x5602d2db54f0, e=0x7ffe4a7ea930) at kernel/qapplication.cpp:3074
#42 0x00007f45ea56f52a in QCoreApplication::notifyInternal2 (receiver=0x5602d2db54f0, event=0x7ffe4a7ea930) at ../../include/QtCore/5.15.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#43 0x00007f45eb212416 in QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x5602d2db54f0, event=event@entry=0x7ffe4a7ea930, alienWidget=alienWidget@entry=0x5602d2db54f0, nativeWidget=0x5602d2d94110, buttonDown=buttonDown@entry=0x7f45eb73a670 <qt_button_down>, lastMouseReceiver=..., spontaneous=true, onlyDispatchEnterLeave=false) at kernel/qapplication.cpp:2614
#44 0x00007f45eb2643b1 in QWidgetWindow::handleMouseEvent (this=0x5602d2dcfb40, event=0x7ffe4a7eabf0) at /usr/include/c++/10/bits/atomic_base.h:420
#45 0x00007f45eb2678be in QWidgetWindow::event (this=0x5602d2dcfb40, event=0x7ffe4a7eabf0) at kernel/qwidgetwindow.cpp:300
#46 0x00007f45eb20c4ff in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x5602d2dcfb40, e=0x7ffe4a7eabf0) at kernel/qapplication.cpp:3630
#47 0x00007f45ea56f52a in QCoreApplication::notifyInternal2 (receiver=0x5602d2dcfb40, event=0x7ffe4a7eabf0) at ../../include/QtCore/5.15.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#48 0x00007f45eaac9adb in QGuiApplicationPrivate::processMouseEvent (e=0x5602d2de20e0) at kernel/qguiapplication.cpp:2277
#49 0x00007f45eaa9fc4b in QWindowSystemInterface::sendWindowSystemEvents (flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:1175
#50 0x00007f45e5827e0a in xcbSourceDispatch (source=<optimized out>) at qxcbeventdispatcher.cpp:105
#51 0x00007f45e81c0cf7 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#52 0x00007f45e81c1078 in ?? () from /usr/lib64/libglib-2.0.so.0
#53 0x00007f45e81c112f in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#54 0x00007f45ea5c6a7f in QEventDispatcherGlib::processEvents (this=0x5602d2b5a930, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#55 0x00007f45ea56deeb in QEventLoop::exec (this=this@entry=0x7ffe4a7eaf20, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#56 0x00007f45ea576160 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#57 0x00005602d0e09003 in main (argc=<optimized out>, argv=0x7ffe4a7eb040) at /usr/src/debug/systemsettings5-5.20.3-1.1.x86_64/app/main.cpp:209
[Inferior 1 (process 3805) detached]

Possible duplicates by query: bug 429591, bug 429376, bug 428902, bug 428763, bug 428362.

Reported using DrKonqi