https://bugs.kde.org/show_bug.cgi?id=413836

            Bug ID: 413836
           Summary: system settings crashes repeatedly
           Product: systemsettings
           Version: 5.17.2
          Platform: Archlinux Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: plasma-b...@kde.org
          Reporter: johan...@selfnet.de
  Target Milestone: ---

Application: systemsettings5 (5.17.2)

Qt Version: 5.13.2
Frameworks Version: 5.63.0
Operating System: Linux 5.3.7-arch1-2-ARCH x86_64
Distribution: "Arch Linux"

-- Information about the crash:
- What I was doing when the application crashed:
I had changed the compositor's scale method and went to "All Settings" after
saving it. (Afterwards, I opened this setting page and left without changing
anything and the application was still crashing.)

- Unusual behavior I noticed:
Flickering on the non-active windows.

- Custom settings of the application:
OpenGL 3.1, Scale method: Smooth

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 0x7f108c9ba800 (LWP 104675))]

Thread 5 (Thread 0x7f108236f700 (LWP 104686)):
#0  0x00007f109168442c in read () from /usr/lib/libc.so.6
#1  0x00007f108f41a9f0 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f108f468a31 in g_main_context_check () from
/usr/lib/libglib-2.0.so.0
#3  0x00007f108f46a118 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007f108f46a241 in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#5  0x00007f1091c2db2c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#6  0x00007f1091bd483c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#7  0x00007f1091a06305 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#8  0x00007f1090d0f449 in ?? () from /usr/lib/libQt5Qml.so.5
#9  0x00007f1091a07530 in ?? () from /usr/lib/libQt5Core.so.5
#10 0x00007f10902624cf in start_thread () from /usr/lib/libpthread.so.0
#11 0x00007f10916932d3 in clone () from /usr/lib/libc.so.6

Thread 4 (Thread 0x7f1088aa0700 (LWP 104681)):
#0  0x00007f1090268c45 in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007f108384c50c in ?? () from /usr/lib/dri/i965_dri.so
#2  0x00007f108384c108 in ?? () from /usr/lib/dri/i965_dri.so
#3  0x00007f10902624cf in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007f10916932d3 in clone () from /usr/lib/libc.so.6

Thread 3 (Thread 0x7f108a60b700 (LWP 104680)):
#0  0x00007f109168442c in read () from /usr/lib/libc.so.6
#1  0x00007f108f41a9f0 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f108f468a31 in g_main_context_check () from
/usr/lib/libglib-2.0.so.0
#3  0x00007f108f46a118 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007f108f46a241 in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#5  0x00007f1091c2db2c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#6  0x00007f1091bd483c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#7  0x00007f1091a06305 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#8  0x00007f1091e67b37 in ?? () from /usr/lib/libQt5DBus.so.5
#9  0x00007f1091a07530 in ?? () from /usr/lib/libQt5Core.so.5
#10 0x00007f10902624cf in start_thread () from /usr/lib/libpthread.so.0
#11 0x00007f10916932d3 in clone () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7f108bb9c700 (LWP 104679)):
#0  0x00007f10916889ef in poll () from /usr/lib/libc.so.6
#1  0x00007f1090221630 in ?? () from /usr/lib/libxcb.so.1
#2  0x00007f10902232db in xcb_wait_for_event () from /usr/lib/libxcb.so.1
#3  0x00007f108c5670c1 in ?? () from /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f1091a07530 in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007f10902624cf in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007f10916932d3 in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7f108c9ba800 (LWP 104675)):
[KCrash Handler]
#6  0x00007f10910b06cf in QQuickItemPrivate::addToDirtyList() () from
/usr/lib/libQt5Quick.so.5
#7  0x00007f10910b077f in
QQuickItemPrivate::dirty(QQuickItemPrivate::DirtyType) () from
/usr/lib/libQt5Quick.so.5
#8  0x00007f109111ba83 in QQuickText::setLinkColor(QColor const&) () from
/usr/lib/libQt5Quick.so.5
#9  0x00007f1091124a80 in ?? () from /usr/lib/libQt5Quick.so.5
#10 0x00007f1091124efb in QQuickText::qt_metacall(QMetaObject::Call, int,
void**) () from /usr/lib/libQt5Quick.so.5
#11 0x00007f108ae43ee7 in QQuickLabel::qt_metacall(QMetaObject::Call, int,
void**) () from /usr/lib/libQt5QuickTemplates2.so.5
#12 0x00007f1090cebb07 in QV4::QQmlValueTypeWrapper::write(QObject*, int) const
() from /usr/lib/libQt5Qml.so.5
#13 0x00007f1090ce47e6 in ?? () from /usr/lib/libQt5Qml.so.5
#14 0x00007f1090ce582d in ?? () from /usr/lib/libQt5Qml.so.5
#15 0x00007f1090ce1f74 in
QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () from
/usr/lib/libQt5Qml.so.5
#16 0x00007f1090cbe03d in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) () from /usr/lib/libQt5Qml.so.5
#17 0x00007f1090c5b21f in QQmlData::signalEmitted(QAbstractDeclarativeData*,
QObject*, int, void**) () from /usr/lib/libQt5Qml.so.5
#18 0x00007f1091c0139b in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#19 0x00007f10810d3f7a in ?? () from /usr/lib/libKF5Kirigami2.so.5
#20 0x00007f1091c024fa in QObject::event(QEvent*) () from
/usr/lib/libQt5Core.so.5
#21 0x00007f109262b4e5 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQt5Widgets.so.5
#22 0x00007f1092634e11 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#23 0x00007f1091bd5d12 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/libQt5Core.so.5
#24 0x00007f1091bd8a89 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib/libQt5Core.so.5
#25 0x00007f1091c2e514 in ?? () from /usr/lib/libQt5Core.so.5
#26 0x00007f108f4683ee in g_main_context_dispatch () from
/usr/lib/libglib-2.0.so.0
#27 0x00007f108f46a201 in ?? () from /usr/lib/libglib-2.0.so.0
#28 0x00007f108f46a241 in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#29 0x00007f1091c2db13 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#30 0x00007f1091bd483c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#31 0x00007f1091bdc676 in QCoreApplication::exec() () from
/usr/lib/libQt5Core.so.5
#32 0x0000562581a95475 in ?? ()
#33 0x00007f10915bb153 in __libc_start_main () from /usr/lib/libc.so.6
#34 0x0000562581a954fe in _start ()
[Inferior 1 (process 104675) detached]

The reporter indicates this bug may be a duplicate of or related to bug 413772.

Possible duplicates by query: bug 413775, bug 413772, bug 413423, bug 413402,
bug 413380.

Reported using DrKonqi

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