https://bugs.kde.org/show_bug.cgi?id=408832

            Bug ID: 408832
           Summary: System settings crash if openend on secondary display
           Product: systemsettings
           Version: 5.16.0
          Platform: Archlinux Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: plasma-b...@kde.org
          Reporter: r...@robyrevelli.com
  Target Milestone: ---

Application: systemsettings5 (5.16.0)

Qt Version: 5.12.4
Frameworks Version: 5.59.0
Operating System: Linux 5.1.9-arch1-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- Unusual behavior I noticed:

i just realised that if system settings opens on  the secondary monitor
crash... if i disconnect it and open on primary it works without problem

- Custom settings of the application:
I don't know if is related but happened after i installer Davinci Resolve on my
arch linux (fresh install)

The crash can be reproduced every time.

-- Backtrace:
Application: Impostazioni di sistema (systemsettings5), signal: Segmentation
fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0b8d3d3140 (LWP 10222))]

Thread 4 (Thread 0x7f0b775ef700 (LWP 10229)):
#0  0x00007f0b921b70d1 in poll () from /usr/lib/libc.so.6
#1  0x00007f0b8fe7d7c0 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0b8fe7d8ae in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#3  0x00007f0b926eb094 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#4  0x00007f0b92694abc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#5  0x00007f0b924d91f9 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f0b91862969 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f0b924da5fc in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f0b90bb6a92 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f0b921c1cd3 in clone () from /usr/lib/libc.so.6

Thread 3 (Thread 0x7f0b81e01700 (LWP 10227)):
#0  0x00007f0b921b70d1 in poll () from /usr/lib/libc.so.6
#1  0x00007f0b8fe7d7c0 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0b8fe7d8ae in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#3  0x00007f0b926eb094 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#4  0x00007f0b92694abc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#5  0x00007f0b924d91f9 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f0b91862969 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f0b924da5fc in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f0b90bb6a92 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f0b921c1cd3 in clone () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7f0b8ae3e700 (LWP 10225)):
#0  0x00007f0b8fe2b3a9 in g_mutex_lock () from /usr/lib/libglib-2.0.so.0
#1  0x00007f0b8fe7d097 in g_main_context_prepare () from
/usr/lib/libglib-2.0.so.0
#2  0x00007f0b8fe7d6e6 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0b8fe7d8ae in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#4  0x00007f0b926eb094 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#5  0x00007f0b92694abc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#6  0x00007f0b924d91f9 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#7  0x00007f0b92963ba6 in ?? () from /usr/lib/libQt5DBus.so.5
#8  0x00007f0b924da5fc in ?? () from /usr/lib/libQt5Core.so.5
#9  0x00007f0b90bb6a92 in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007f0b921c1cd3 in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7f0b8d3d3140 (LWP 10222)):
[KCrash Handler]
#6  0x00007f0b92b3a316 in QHighDpiScaling::mapPositionFromGlobal(QPoint const&,
QPoint const&, QWindow const*) () from /usr/lib/libQt5Gui.so.5
#7  0x00007f0b92b0aac4 in QWindow::mapFromGlobal(QPoint const&) const () from
/usr/lib/libQt5Gui.so.5
#8  0x00007f0b91c16cd0 in QQuickWindow::event(QEvent*) () from
/usr/lib/libQt5Quick.so.5
#9  0x00007f0b930feda4 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQt5Widgets.so.5
#10 0x00007f0b931063c1 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#11 0x00007f0b92695ef9 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/libQt5Core.so.5
#12 0x00007f0b91ed02bc in QQuickWidget::event(QEvent*) () from
/usr/lib/libQt5QuickWidgets.so.5
#13 0x00007f0b930feda4 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQt5Widgets.so.5
#14 0x00007f0b931063c1 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#15 0x00007f0b92695ef9 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/libQt5Core.so.5
#16 0x00007f0b931053cd in ?? () from /usr/lib/libQt5Widgets.so.5
#17 0x00007f0b931594a6 in ?? () from /usr/lib/libQt5Widgets.so.5
#18 0x00007f0b9315db81 in ?? () from /usr/lib/libQt5Widgets.so.5
#19 0x00007f0b930feda4 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQt5Widgets.so.5
#20 0x00007f0b931063c1 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#21 0x00007f0b92695ef9 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/libQt5Core.so.5
#22 0x00007f0b92b005dc in
QGuiApplicationPrivate::processEnterEvent(QWindowSystemInterfacePrivate::EnterEvent*)
() from /usr/lib/libQt5Gui.so.5
#23 0x00007f0b92b05566 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() from /usr/lib/libQt5Gui.so.5
#24 0x00007f0b92ae055c in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib/libQt5Gui.so.5
#25 0x00007f0b8cf8cb7c in ?? () from /usr/lib/libQt5XcbQpa.so.5
#26 0x00007f0b8fe7b90f in g_main_context_dispatch () from
/usr/lib/libglib-2.0.so.0
#27 0x00007f0b8fe7d869 in ?? () from /usr/lib/libglib-2.0.so.0
#28 0x00007f0b8fe7d8ae in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#29 0x00007f0b926eb079 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#30 0x00007f0b92694abc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#31 0x00007f0b9269cc46 in QCoreApplication::exec() () from
/usr/lib/libQt5Core.so.5
#32 0x00005569d04c0464 in ?? ()
#33 0x00007f0b920eace3 in __libc_start_main () from /usr/lib/libc.so.6
#34 0x00005569d04c04ee in _start ()
[Inferior 1 (process 10222) detached]

Reported using DrKonqi

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