https://bugs.kde.org/show_bug.cgi?id=417410
            Bug ID: 417410
           Summary: system settings crashes
           Product: systemsettings
           Version: 5.17.5
          Platform: unspecified
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: plasma-b...@kde.org
          Reporter: anthony.gallo.1...@gmail.com
  Target Milestone: ---

Application: systemsettings5 (5.17.5)

Qt Version: 5.13.2
Frameworks Version: 5.67.0
Operating System: Linux 5.3.0-40-generic x86_64
Distribution: KDE neon User Edition 5.17

-- Information about the crash:
- What I was doing when the application crashed:
i just discarded modified options in in the screen settings panel

- Unusual behavior I noticed: 
all the windows and DE animation doesn't work

-- Backtrace:
Application: Impostazioni di sistema (systemsettings5), signal: Segmentation
fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa39a07c800 (LWP 9050))]

Thread 6 (Thread 0x7fa34bfff700 (LWP 9062)):
#0  0x00007fa3955c50b4 in __GI___libc_read (fd=40, buf=0x7fa34bffebde,
nbytes=10) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fa35e13a021 in pa_read () from
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#2  0x00007fa35e3b8a2e in pa_mainloop_prepare () from
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007fa35e3b94a0 in pa_mainloop_iterate () from
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fa35e3b9560 in pa_mainloop_run () from
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007fa35e3c73c9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007fa35e169318 in ?? () from
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007fa3910376db in start_thread (arg=0x7fa34bfff700) at
pthread_create.c:463
#8  0x00007fa3955d688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fa368668700 (LWP 9055)):
#0  0x00007fa3955c50b4 in __GI___libc_read (fd=33, buf=0x7fa368667b70,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fa38ecbd2d0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa38ec780b7 in g_main_context_check () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa38ec78570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa38ec786dc in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa395f1cacb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fa395ebcf9a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa395cd83aa in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fa39385d815 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fa395cd9b52 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fa3910376db in start_thread (arg=0x7fa368668700) at
pthread_create.c:463
#11 0x00007fa3955d688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fa371c15700 (LWP 9054)):
#0  0x00007fa3955c9bf9 in __GI___poll (fds=0x7fa36c004a00, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fa38ec785c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa38ec786dc in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa395f1cacb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa395ebcf9a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa395cd83aa in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fa39385d815 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fa395cd9b52 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fa3910376db in start_thread (arg=0x7fa371c15700) at
pthread_create.c:463
#9  0x00007fa3955d688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fa37ef1a700 (LWP 9052)):
#0  0x00007fa3955c9bf9 in __GI___poll (fds=0x7fa378004db0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fa38ec785c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa38ec786dc in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa395f1cacb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa395ebcf9a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa395cd83aa in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fa3963930e5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fa395cd9b52 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fa3910376db in start_thread (arg=0x7fa37ef1a700) at
pthread_create.c:463
#9  0x00007fa3955d688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fa38708b700 (LWP 9051)):
#0  0x00007fa3955c9bf9 in __GI___poll (fds=0x7fa38708aca8, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fa390bfb747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fa390bfd36a in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fa389e70e10 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fa395cd9b52 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa3910376db in start_thread (arg=0x7fa38708b700) at
pthread_create.c:463
#6  0x00007fa3955d688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fa39a07c800 (LWP 9050)):
[KCrash Handler]
#6  0x00007fa393e0bc35 in
QQuickWindowPrivate::queryPointerEventInstance(QQuickPointerDevice*,
QEvent::Type) const () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fa393e0bdb4 in QQuickWindow::mouseGrabberItem() const () from
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fa393e0e577 in QQuickWindowPrivate::removeGrabber(QQuickItem*, bool,
bool) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007fa393df9e30 in QQuickItemPrivate::derefWindow() () from
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007fa393dfb246 in QQuickItem::~QQuickItem() () from
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007fa393e1bb9d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007fa395ef0380 in QObject::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007fa393df8d6b in QQuickItem::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007fa396f52eac in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007fa396f5a4b0 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007fa395ebee38 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007fa395ec1757 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007fa395f1d493 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007fa38ec78417 in g_main_context_dispatch () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fa38ec78650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fa38ec786dc in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007fa395f1caaf in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007fa395ebcf9a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007fa395ec6310 in QCoreApplication::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x0000563d4cb6f218 in ?? ()
#26 0x00007fa3954d6b97 in __libc_start_main (main=0x563d4cb6ee30, argc=1,
argv=0x7ffc2b597e28, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffc2b597e18) at ../csu/libc-start.c:310
#27 0x0000563d4cb6f29a in _start ()

Possible duplicates by query: bug 413698, bug 412367, bug 397807, bug 397772,
bug 397547.

Reported using DrKonqi

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