https://bugs.kde.org/show_bug.cgi?id=413515

            Bug ID: 413515
           Summary: System settings crash when browsing options
           Product: systemsettings
           Version: 5.17.1
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: plasma-b...@kde.org
          Reporter: lolit...@gmail.com
  Target Milestone: ---

Application: systemsettings5 (5.17.1)

Qt Version: 5.12.4
Frameworks Version: 5.62.0
Operating System: Linux 5.3.0-20-generic x86_64
Distribution: Ubuntu 19.10

-- Information about the crash:
- I browsed the settings app after an upgrade, changed some things in the
"workspace behaviour" tab
- Back to the main page, I tried to enter the "Display" settings, theb the app
crashed
- I am using the Wayland backend

-- Backtrace:
Application: Configuration du système (systemsettings5), signal: Segmentation
fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc8e69db800 (LWP 5440))]

Thread 13 (Thread 0x7fc89881c700 (LWP 7935)):
#0  0x00007fc8eadda566 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007fc8e8b60fbf in g_main_context_prepare () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc8e8b6196b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc8e8b61b73 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fc8eadda6c3 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fc8ead8163b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fc8eabbaa75 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fc8e9ead319 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fc8eabbbcc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fc8e93fd669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#10 0x00007fc8ea840323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fc8b65bd700 (LWP 7905)):
#0  0x00007fc8ea833c2f in __GI___poll (fds=0x7fc89c024060, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fc8e8b61a3e in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc8e8b61b73 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc8eadda6c3 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fc8ead8163b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fc8eabbaa75 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fc8e9ead319 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fc8eabbbcc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fc8e93fd669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#9  0x00007fc8ea840323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fc8bd371700 (LWP 7723)):
#0  0x00007fc8ea833c2f in __GI___poll (fds=0x7fc8b000f480, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fc8e8b61a3e in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc8e8b61b73 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc8eadda6c3 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fc8ead8163b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fc8eabbaa75 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fc8eabbbcc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fc8e93fd669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#8  0x00007fc8ea840323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fc8be5b2700 (LWP 7717)):
#0  0x00007fc8ea833c2f in __GI___poll (fds=0x7fc8b801ad60, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fc8e8b61a3e in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc8e8b61b73 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc8eadda6c3 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fc8ead8163b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fc8eabbaa75 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fc8eabbbcc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fc8e93fd669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#8  0x00007fc8ea840323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fc8b6dbe700 (LWP 7686)):
#0  0x00007fc8ea833c2f in __GI___poll (fds=0x55fbf9174660, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fc8e8b61a3e in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc8e8b61dc3 in g_main_loop_run () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc8bc7c459a in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fc8e8b8b111 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fc8e93fd669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#6  0x00007fc8ea840323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fc8b7fff700 (LWP 7685)):
#0  0x00007fc8ea833c2f in __GI___poll (fds=0x55fbf74f52f0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fc8e8b61a3e in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc8e8b61b73 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc8e8b61bc1 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fc8e8b8b111 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fc8e93fd669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#6  0x00007fc8ea840323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fc8c97a2700 (LWP 7666)):
#0  0x00007fc8ea833c2f in __GI___poll (fds=0x7fc8c00029e0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fc8e8b61a3e in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc8e8b61b73 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc8eadda6c3 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fc8ead8163b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fc8eabbaa75 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fc8e9ead319 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fc8eabbbcc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fc8e93fd669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#9  0x00007fc8ea840323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fc8db257700 (LWP 5446)):
#0  0x00007fc8e94042c6 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55fbf539a118) at
../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  0x00007fc8e94042c6 in __pthread_cond_wait_common (abstime=0x0, clockid=0,
mutex=0x55fbf539a0c8, cond=0x55fbf539a0f0) at pthread_cond_wait.c:508
#2  0x00007fc8e94042c6 in __pthread_cond_wait (cond=0x55fbf539a0f0,
mutex=0x55fbf539a0c8) at pthread_cond_wait.c:638
#3  0x00007fc8dd13d5db in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fc8dd13d4c7 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fc8e93fd669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#6  0x00007fc8ea840323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fc8dba58700 (LWP 5445)):
#0  0x00007fc8e94042c6 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55fbf539a11c) at
../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  0x00007fc8e94042c6 in __pthread_cond_wait_common (abstime=0x0, clockid=0,
mutex=0x55fbf539a0c8, cond=0x55fbf539a0f0) at pthread_cond_wait.c:508
#2  0x00007fc8e94042c6 in __pthread_cond_wait (cond=0x55fbf539a0f0,
mutex=0x55fbf539a0c8) at pthread_cond_wait.c:638
#3  0x00007fc8dd13d5db in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fc8dd13d4c7 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fc8e93fd669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#6  0x00007fc8ea840323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fc8dc259700 (LWP 5444)):
#0  0x00007fc8e94042c6 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55fbf539a118) at
../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  0x00007fc8e94042c6 in __pthread_cond_wait_common (abstime=0x0, clockid=0,
mutex=0x55fbf539a0c8, cond=0x55fbf539a0f0) at pthread_cond_wait.c:508
#2  0x00007fc8e94042c6 in __pthread_cond_wait (cond=0x55fbf539a0f0,
mutex=0x55fbf539a0c8) at pthread_cond_wait.c:638
#3  0x00007fc8dd13d5db in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fc8dd13d4c7 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fc8e93fd669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#6  0x00007fc8ea840323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fc8dca5a700 (LWP 5443)):
#0  0x00007fc8e94042c6 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55fbf539a11c) at
../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  0x00007fc8e94042c6 in __pthread_cond_wait_common (abstime=0x0, clockid=0,
mutex=0x55fbf539a0c8, cond=0x55fbf539a0f0) at pthread_cond_wait.c:508
#2  0x00007fc8e94042c6 in __pthread_cond_wait (cond=0x55fbf539a0f0,
mutex=0x55fbf539a0c8) at pthread_cond_wait.c:638
#3  0x00007fc8dd13d5db in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fc8dd13d4c7 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fc8e93fd669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#6  0x00007fc8ea840323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fc8e542a700 (LWP 5442)):
#0  0x00007fc8e8badc3d in g_mutex_lock () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fc8e8b615fa in g_main_context_dispatch () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc8e8b61ad0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc8e8b61b73 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fc8eadda6c3 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fc8ead8163b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fc8eabbaa75 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fc8eb05befa in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007fc8eabbbcc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fc8e93fd669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#10 0x00007fc8ea840323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fc8e69db800 (LWP 5440)):
[KCrash Handler]
#6  0x00007fc8ec447429 in wl_proxy_set_queue () at
/usr/lib/x86_64-linux-gnu/libwayland-client.so.0
#7  0x00007fc8e6120308 in
QtWaylandClient::QWaylandWindow::waitForFrameSync(int) () at
/usr/lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
#8  0x00007fc8e4098872 in  () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/wayland-graphics-integration-client/libqt-plugin-wayland-egl.so
#9  0x00007fc8eb2437f1 in QOpenGLContext::swapBuffers(QSurface*) () at
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#10 0x00007fc8eb512b87 in QPlatformBackingStore::composeAndFlush(QWindow*,
QRegion const&, QPoint const&, QPlatformTextureList*, bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#11 0x00007fc8eb841b36 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007fc8eb8435ab in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007fc8eb844b70 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007fc8eb844ef1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007fc8eb85cfa5 in QWidgetPrivate::syncBackingStore() () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007fc8eb875408 in QWidget::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007fc8eb989828 in QMainWindow::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007fc8ec32478b in KMainWindow::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#19 0x00007fc8ec370b4b in KXmlGuiWindow::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#20 0x00007fc8eb832a86 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007fc8eb83be00 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007fc8ead82a9a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007fc8eb845b13 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007fc8eb846a70 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007fc8eb85ee71 in QWidget::repaint(QRect const&) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007fc8eb85eee0 in QWidget::repaint() () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007fc8eb8941c4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007fc8eb832a86 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007fc8eb83be00 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007fc8ead82a9a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007fc8eb1f7a0d in QPlatformWindow::deliverUpdateRequest() () at
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#32 0x00007fc8eadaeeba in QObject::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007fc8eb832a86 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007fc8eb83be00 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#35 0x00007fc8ead82a9a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007fc8ead85718 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007fc8eaddb0a7 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007fc8e8b6184d in g_main_context_dispatch () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007fc8e8b61ad0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007fc8e8b61b73 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007fc8eadda6a5 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#42 0x00007fc8ead8163b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#43 0x00007fc8ead893a6 in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#44 0x000055fbf4f1781e in  ()
#45 0x00007fc8ea7451e3 in __libc_start_main (main=0x55fbf4f17420, argc=1,
argv=0x7fff721e3498, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fff721e3488) at ../csu/libc-start.c:308
#46 0x000055fbf4f178ae in _start ()
[Inferior 1 (process 5440) detached]

The reporter indicates this bug may be a duplicate of or related to bug 413414.

Possible duplicates by query: bug 413492, bug 413462, bug 413423, bug 413417,
bug 413414.

Reported using DrKonqi

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