https://bugs.kde.org/show_bug.cgi?id=425927

            Bug ID: 425927
           Summary: KDEで画像解像度の設定を変更して破棄するとクラッシュします
           Product: systemsettings
           Version: 5.17.5
          Platform: Debian stable
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: plasma-b...@kde.org
          Reporter: linuxme...@yandex.com
  Target Milestone: ---

Application: systemsettings5 (5.17.5)

Qt Version: 5.14.2
Frameworks Version: 5.70.0
Operating System: Linux 5.7.0-3-amd64 x86_64
Distribution: Debian GNU/Linux bullseye/sid

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

KDEで ディスプレイとモニタ-Display Configuration-解像度 の設定を変更して、その変更を破棄したらクラッシュしました。

The crash can be reproduced every time.

-- Backtrace:
Application: KDE システム設定 (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fd5a92b3840 (LWP 27782))]

Thread 8 (Thread 0x7fd58382b700 (LWP 27791)):
#0  0x00007fd5adac64bf in __GI___poll (fds=0x7fd57c004e60, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fd5ab9847ee in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd5ab98490f in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd5ae05c31b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fd5ae0054db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fd5ade2c8de in QThread::exec() () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fd5ad11b3a5 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fd5ade2da01 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fd5ac554ea7 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007fd5adad0eaf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fd59ce57700 (LWP 27790)):
#0  0x00007fd5ab9846bd in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd5ab98490f in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd5ae05c31b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fd5ae0054db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fd5ade2c8de in QThread::exec() () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fd5ad11b3a5 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007fd5ade2da01 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fd5ac554ea7 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#8  0x00007fd5adad0eaf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fd59da3f700 (LWP 27789)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fd5a00054ec) at
../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fd5a0005498,
cond=0x7fd5a00054c0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7fd5a00054c0, mutex=0x7fd5a0005498) at
pthread_cond_wait.c:638
#3  0x00007fd59f78a8eb in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fd59f78a3c7 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fd5ac554ea7 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007fd5adad0eaf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fd59e240700 (LWP 27788)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fd5a00054ec) at
../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fd5a0005498,
cond=0x7fd5a00054c0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7fd5a00054c0, mutex=0x7fd5a0005498) at
pthread_cond_wait.c:638
#3  0x00007fd59f78a8eb in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fd59f78a3c7 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fd5ac554ea7 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007fd5adad0eaf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fd59ea41700 (LWP 27787)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fd5a00054e8) at
../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fd5a0005498,
cond=0x7fd5a00054c0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7fd5a00054c0, mutex=0x7fd5a0005498) at
pthread_cond_wait.c:638
#3  0x00007fd59f78a8eb in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fd59f78a3c7 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fd5ac554ea7 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007fd5adad0eaf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fd59f242700 (LWP 27786)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fd5a00054e8) at
../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fd5a0005498,
cond=0x7fd5a00054c0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7fd5a00054c0, mutex=0x7fd5a0005498) at
pthread_cond_wait.c:638
#3  0x00007fd59f78a8eb in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fd59f78a3c7 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fd5ac554ea7 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007fd5adad0eaf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fd5a7499700 (LWP 27785)):
#0  0x00007fd5adac64bf in __GI___poll (fds=0x7fd598012e70, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fd5ab9847ee in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd5ab98490f in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd5ae05c31b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fd5ae0054db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fd5ade2c8de in QThread::exec() () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fd5ae2ada27 in  () at /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fd5ade2da01 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fd5ac554ea7 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007fd5adad0eaf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fd5a92b3840 (LWP 27782)):
[KCrash Handler]
#4  0x00007fd5ad4c07e5 in QQuickWindow::mouseGrabberItem() const () at
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fd5ad4c2c3b in QQuickWindowPrivate::removeGrabber(QQuickItem*, bool,
bool) () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007fd5ad4adb9f in QQuickItemPrivate::derefWindow() () at
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fd5ad4aeb66 in QQuickItem::~QQuickItem() () at
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fd5ad4f05ce in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007fd5ae031cdf in QObject::event(QEvent*) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fd5aeb2a03f in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x00007fd5ae006b62 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fd5ae0094c1 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007fd5ae05cc73 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007fd5ab9845fd in g_main_context_dispatch () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007fd5ab984880 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007fd5ab98490f in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007fd5ae05c2ff in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007fd5ae0054db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007fd5ae00d782 in QCoreApplication::exec() () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x000055d523fd164a in  ()
#21 0x00007fd5ad9f9cca in __libc_start_main (main=0x55d523fd1250, argc=1,
argv=0x7ffd4a0e4d08, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffd4a0e4cf8) at ../csu/libc-start.c:308
#22 0x000055d523fd16ca in _start ()
[Inferior 1 (process 27782) detached]

Possible duplicates by query: bug 425700, bug 423641, bug 422099, bug 420590,
bug 420331.

Reported using DrKonqi

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