https://bugs.kde.org/show_bug.cgi?id=385718

            Bug ID: 385718
           Summary: System Settings crashed while viewing Printers
           Product: systemsettings
           Version: 5.11.0
          Platform: openSUSE RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: plasma-b...@kde.org
          Reporter: rexj...@gmx.de
  Target Milestone: ---

Application: systemsettings5 (5.11.0)

Qt Version: 5.9.1
Frameworks Version: 5.38.0
Operating System: Linux 4.13.5-1-default x86_64
Distribution: "openSUSE Tumbleweed"

-- Information about the crash:
- What I was doing when the application crashed:
Open System Settings
Go to Printers
Enter root password
System Settings crashed after 1-2 sec.

Did try again and it did not happen again.

The crash can be reproduced sometimes.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
27        return SYSCALL_CANCEL (nanosleep, requested_time, remaining);
[Current thread is 1 (Thread 0x7f52d60f9500 (LWP 17556))]

Thread 19 (Thread 0x7f524e1c3700 (LWP 27195)):
#0  0x00007f52d1d8ecab in __GI___poll (fds=0x7f5248003750, nfds=1,
timeout=3491773) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f52cbe85149 in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7f5248003750, timeout=<optimized out>, context=0x7f5248000be0)
at gmain.c:4187
#2  0x00007f52cbe85149 in g_main_context_iterate
(context=context@entry=0x7f5248000be0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3881
#3  0x00007f52cbe8525c in g_main_context_iteration (context=0x7f5248000be0,
may_block=1) at gmain.c:3947
#4  0x00007f52d26b769b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#5  0x00007f52d266034a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#6  0x00007f52d249031a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f5254b3ef37 in KCupsConnection::run() (this=0x56525bcc0920) at
/usr/src/debug/print-manager-17.08.1/libkcups/KCupsConnection.cpp:304
#8  0x00007f52d2494d2e in QThreadPrivate::start(void*) () at
/usr/lib64/libQt5Core.so.5
#9  0x00007f52cdb9a558 in start_thread (arg=0x7f524e1c3700) at
pthread_create.c:465
#10 0x00007f52d1d9945f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f5257b5f700 (LWP 23899)):
#0  0x00007f52d1d8ecab in __GI___poll (fds=0x56525cc007b0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f52cbe85149 in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x56525cc007b0, timeout=<optimized out>, context=0x56525aa1c840)
at gmain.c:4187
#2  0x00007f52cbe85149 in g_main_context_iterate (context=0x56525aa1c840,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
gmain.c:3881
#3  0x00007f52cbe854e2 in g_main_loop_run (loop=0x56525cc13400) at gmain.c:4082
#4  0x00007f525c3f9a46 in gdbus_shared_thread_func (user_data=0x56525bcf8ee0)
at gdbusprivate.c:275
#5  0x00007f52cbeac795 in g_thread_proxy (data=0x56525cc6cca0) at gthread.c:784
#6  0x00007f52cdb9a558 in start_thread (arg=0x7f5257b5f700) at
pthread_create.c:465
#7  0x00007f52d1d9945f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f525ffff700 (LWP 23898)):
#0  0x00007f52d1d8ecab in __GI___poll (fds=0x56525cc0ed20, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f52cbe85149 in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x56525cc0ed20, timeout=<optimized out>, context=0x56525cc6c000)
at gmain.c:4187
#2  0x00007f52cbe85149 in g_main_context_iterate
(context=context@entry=0x56525cc6c000, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3881
#3  0x00007f52cbe8525c in g_main_context_iteration (context=0x56525cc6c000,
may_block=may_block@entry=1) at gmain.c:3947
#4  0x00007f52cbe852a1 in glib_worker_main (data=<optimized out>) at
gmain.c:5742
#5  0x00007f52cbeac795 in g_thread_proxy (data=0x56525cc6cc00) at gthread.c:784
#6  0x00007f52cdb9a558 in start_thread (arg=0x7f525ffff700) at
pthread_create.c:465
#7  0x00007f52d1d9945f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f5266793700 (LWP 23165)):
#0  0x00007f52d1d8ecab in __GI___poll (fds=0x7f5260002de0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f52cbe85149 in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7f5260002de0, timeout=<optimized out>, context=0x7f5260000be0)
at gmain.c:4187
#2  0x00007f52cbe85149 in g_main_context_iterate
(context=context@entry=0x7f5260000be0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3881
#3  0x00007f52cbe8525c in g_main_context_iteration (context=0x7f5260000be0,
may_block=1) at gmain.c:3947
#4  0x00007f52d26b769b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#5  0x00007f52d266034a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#6  0x00007f52d249031a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f52d0556705 in QQmlThreadPrivate::run() () at
/usr/lib64/libQt5Qml.so.5
#8  0x00007f52d2494d2e in QThreadPrivate::start(void*) () at
/usr/lib64/libQt5Core.so.5
#9  0x00007f52cdb9a558 in start_thread (arg=0x7f5266793700) at
pthread_create.c:465
#10 0x00007f52d1d9945f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f5276f65700 (LWP 17667)):
#0  0x00007f52cdba082d in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x56525b50eb48) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f52cdba082d in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56525b50eaf8, cond=0x56525b50eb20) at pthread_cond_wait.c:502
#2  0x00007f52cdba082d in __pthread_cond_wait (cond=0x56525b50eb20,
mutex=0x56525b50eaf8) at pthread_cond_wait.c:655
#3  0x00007f52ae2c2cab in cnd_wait (mtx=0x56525b50eaf8, cond=0x56525b50eb20) at
../../include/c11/threads_posix.h:159
#4  0x00007f52ae2c2cab in util_queue_thread_func
(input=input@entry=0x56525b524850) at u_queue.c:158
#5  0x00007f52ae2c2bc7 in impl_thrd_routine (p=<optimized out>) at
../../include/c11/threads_posix.h:87
#6  0x00007f52cdb9a558 in start_thread (arg=0x7f5276f65700) at
pthread_create.c:465
#7  0x00007f52d1d9945f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f52777fe700 (LWP 17662)):
#0  0x00007f52cdba082d in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x56525b26b898) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f52cdba082d in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56525b26b848, cond=0x56525b26b870) at pthread_cond_wait.c:502
#2  0x00007f52cdba082d in __pthread_cond_wait (cond=0x56525b26b870,
mutex=0x56525b26b848) at pthread_cond_wait.c:655
#3  0x00007f52ae2c2cab in cnd_wait (mtx=0x56525b26b848, cond=0x56525b26b870) at
../../include/c11/threads_posix.h:159
#4  0x00007f52ae2c2cab in util_queue_thread_func
(input=input@entry=0x56525ab10140) at u_queue.c:158
#5  0x00007f52ae2c2bc7 in impl_thrd_routine (p=<optimized out>) at
../../include/c11/threads_posix.h:87
#6  0x00007f52cdb9a558 in start_thread (arg=0x7f52777fe700) at
pthread_create.c:465
#7  0x00007f52d1d9945f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f5277fff700 (LWP 17661)):
#0  0x00007f52cdba082d in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x56525b1b8188) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f52cdba082d in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56525b1b8138, cond=0x56525b1b8160) at pthread_cond_wait.c:502
#2  0x00007f52cdba082d in __pthread_cond_wait (cond=0x56525b1b8160,
mutex=0x56525b1b8138) at pthread_cond_wait.c:655
#3  0x00007f52ae2c2cab in cnd_wait (mtx=0x56525b1b8138, cond=0x56525b1b8160) at
../../include/c11/threads_posix.h:159
#4  0x00007f52ae2c2cab in util_queue_thread_func
(input=input@entry=0x56525a8ae220) at u_queue.c:158
#5  0x00007f52ae2c2bc7 in impl_thrd_routine (p=<optimized out>) at
../../include/c11/threads_posix.h:87
#6  0x00007f52cdb9a558 in start_thread (arg=0x7f5277fff700) at
pthread_create.c:465
#7  0x00007f52d1d9945f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f5281ec6700 (LWP 17652)):
#0  0x00007f52cbeca6fb in g_mutex_lock (mutex=mutex@entry=0x7f5278001080) at
gthread-posix.c:1336
#1  0x00007f52cbe844f5 in g_main_context_prepare
(context=context@entry=0x7f5278001080, priority=priority@entry=0x7f5281ec5bc0)
at gmain.c:3384
#2  0x00007f52cbe8507b in g_main_context_iterate
(context=context@entry=0x7f5278001080, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3866
#3  0x00007f52cbe8525c in g_main_context_iteration (context=0x7f5278001080,
may_block=1) at gmain.c:3947
#4  0x00007f52d26b769b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#5  0x00007f52d266034a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#6  0x00007f52d249031a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f52d0556705 in QQmlThreadPrivate::run() () at
/usr/lib64/libQt5Qml.so.5
#8  0x00007f52d2494d2e in QThreadPrivate::start(void*) () at
/usr/lib64/libQt5Core.so.5
#9  0x00007f52cdb9a558 in start_thread (arg=0x7f5281ec6700) at
pthread_create.c:465
#10 0x00007f52d1d9945f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f529c88c700 (LWP 17612)):
#0  0x00007f52cbe83fb0 in g_main_context_acquire (context=0x7f527c000be0) at
gmain.c:3202
#1  0x00007f52cbe85005 in g_main_context_iterate
(context=context@entry=0x7f527c000be0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3836
#2  0x00007f52cbe8525c in g_main_context_iteration (context=0x7f527c000be0,
may_block=1) at gmain.c:3947
#3  0x00007f52d26b769b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007f52d266034a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007f52d249031a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f52d0556705 in QQmlThreadPrivate::run() () at
/usr/lib64/libQt5Qml.so.5
#7  0x00007f52d2494d2e in QThreadPrivate::start(void*) () at
/usr/lib64/libQt5Core.so.5
#8  0x00007f52cdb9a558 in start_thread (arg=0x7f529c88c700) at
pthread_create.c:465
#9  0x00007f52d1d9945f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f529effd700 (LWP 17598)):
#0  0x00007f52cdba082d in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x56525af16dd4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f52cdba082d in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56525af16d80, cond=0x56525af16da8) at pthread_cond_wait.c:502
#2  0x00007f52cdba082d in __pthread_cond_wait (cond=0x56525af16da8,
mutex=0x56525af16d80) at pthread_cond_wait.c:655
#3  0x00007f52ae2c2cab in cnd_wait (mtx=0x56525af16d80, cond=0x56525af16da8) at
../../include/c11/threads_posix.h:159
#4  0x00007f52ae2c2cab in util_queue_thread_func
(input=input@entry=0x56525a98f6a0) at u_queue.c:158
#5  0x00007f52ae2c2bc7 in impl_thrd_routine (p=<optimized out>) at
../../include/c11/threads_posix.h:87
#6  0x00007f52cdb9a558 in start_thread (arg=0x7f529effd700) at
pthread_create.c:465
#7  0x00007f52d1d9945f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f529f7fe700 (LWP 17597)):
#0  0x00007f52cdba082d in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x56525af16dd0) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f52cdba082d in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56525af16d80, cond=0x56525af16da8) at pthread_cond_wait.c:502
#2  0x00007f52cdba082d in __pthread_cond_wait (cond=0x56525af16da8,
mutex=0x56525af16d80) at pthread_cond_wait.c:655
#3  0x00007f52ae2c2cab in cnd_wait (mtx=0x56525af16d80, cond=0x56525af16da8) at
../../include/c11/threads_posix.h:159
#4  0x00007f52ae2c2cab in util_queue_thread_func
(input=input@entry=0x56525a97dcd0) at u_queue.c:158
#5  0x00007f52ae2c2bc7 in impl_thrd_routine (p=<optimized out>) at
../../include/c11/threads_posix.h:87
#6  0x00007f52cdb9a558 in start_thread (arg=0x7f529f7fe700) at
pthread_create.c:465
#7  0x00007f52d1d9945f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f529ffff700 (LWP 17596)):
#0  0x00007f52cdba082d in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x56525af16cec) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f52cdba082d in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56525af16c98, cond=0x56525af16cc0) at pthread_cond_wait.c:502
#2  0x00007f52cdba082d in __pthread_cond_wait (cond=0x56525af16cc0,
mutex=0x56525af16c98) at pthread_cond_wait.c:655
#3  0x00007f52ae2c2cab in cnd_wait (mtx=0x56525af16c98, cond=0x56525af16cc0) at
../../include/c11/threads_posix.h:159
#4  0x00007f52ae2c2cab in util_queue_thread_func
(input=input@entry=0x56525aa26d90) at u_queue.c:158
#5  0x00007f52ae2c2bc7 in impl_thrd_routine (p=<optimized out>) at
../../include/c11/threads_posix.h:87
#6  0x00007f52cdb9a558 in start_thread (arg=0x7f529ffff700) at
pthread_create.c:465
#7  0x00007f52d1d9945f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f52a48e8700 (LWP 17595)):
#0  0x00007f52cdba082d in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x56525af16ce8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f52cdba082d in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56525af16c98, cond=0x56525af16cc0) at pthread_cond_wait.c:502
#2  0x00007f52cdba082d in __pthread_cond_wait (cond=0x56525af16cc0,
mutex=0x56525af16c98) at pthread_cond_wait.c:655
#3  0x00007f52ae2c2cab in cnd_wait (mtx=0x56525af16c98, cond=0x56525af16cc0) at
../../include/c11/threads_posix.h:159
#4  0x00007f52ae2c2cab in util_queue_thread_func
(input=input@entry=0x56525ab14e90) at u_queue.c:158
#5  0x00007f52ae2c2bc7 in impl_thrd_routine (p=<optimized out>) at
../../include/c11/threads_posix.h:87
#6  0x00007f52cdb9a558 in start_thread (arg=0x7f52a48e8700) at
pthread_create.c:465
#7  0x00007f52d1d9945f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f52a50e9700 (LWP 17594)):
#0  0x00007f52cdba082d in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x56525af16ce8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f52cdba082d in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56525af16c98, cond=0x56525af16cc0) at pthread_cond_wait.c:502
#2  0x00007f52cdba082d in __pthread_cond_wait (cond=0x56525af16cc0,
mutex=0x56525af16c98) at pthread_cond_wait.c:655
#3  0x00007f52ae2c2cab in cnd_wait (mtx=0x56525af16c98, cond=0x56525af16cc0) at
../../include/c11/threads_posix.h:159
#4  0x00007f52ae2c2cab in util_queue_thread_func
(input=input@entry=0x56525ab4bd10) at u_queue.c:158
#5  0x00007f52ae2c2bc7 in impl_thrd_routine (p=<optimized out>) at
../../include/c11/threads_posix.h:87
#6  0x00007f52cdb9a558 in start_thread (arg=0x7f52a50e9700) at
pthread_create.c:465
#7  0x00007f52d1d9945f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f52a5aef700 (LWP 17593)):
#0  0x00007f52cdba082d in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x56525ac5e8c4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f52cdba082d in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56525ac5e870, cond=0x56525ac5e898) at pthread_cond_wait.c:502
#2  0x00007f52cdba082d in __pthread_cond_wait (cond=0x56525ac5e898,
mutex=0x56525ac5e870) at pthread_cond_wait.c:655
#3  0x00007f52ae2c2cab in cnd_wait (mtx=0x56525ac5e870, cond=0x56525ac5e898) at
../../include/c11/threads_posix.h:159
#4  0x00007f52ae2c2cab in util_queue_thread_func
(input=input@entry=0x56525ac72410) at u_queue.c:158
#5  0x00007f52ae2c2bc7 in impl_thrd_routine (p=<optimized out>) at
../../include/c11/threads_posix.h:87
#6  0x00007f52cdb9a558 in start_thread (arg=0x7f52a5aef700) at
pthread_create.c:465
#7  0x00007f52d1d9945f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f52a6431700 (LWP 17592)):
#0  0x00007f52cdba082d in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x56525af166e4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f52cdba082d in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56525af16690, cond=0x56525af166b8) at pthread_cond_wait.c:502
#2  0x00007f52cdba082d in __pthread_cond_wait (cond=0x56525af166b8,
mutex=0x56525af16690) at pthread_cond_wait.c:655
#3  0x00007f52ae2c2cab in cnd_wait (mtx=0x56525af16690, cond=0x56525af166b8) at
../../include/c11/threads_posix.h:159
#4  0x00007f52ae2c2cab in util_queue_thread_func
(input=input@entry=0x56525aa75f90) at u_queue.c:158
#5  0x00007f52ae2c2bc7 in impl_thrd_routine (p=<optimized out>) at
../../include/c11/threads_posix.h:87
#6  0x00007f52cdb9a558 in start_thread (arg=0x7f52a6431700) at
pthread_create.c:465
#7  0x00007f52d1d9945f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f52ba0a4700 (LWP 17567)):
#0  0x00007f52cbeca6fb in g_mutex_lock (mutex=mutex@entry=0x7f52b4000be0) at
gthread-posix.c:1336
#1  0x00007f52cbe84693 in g_main_context_prepare
(context=context@entry=0x7f52b4000be0, priority=priority@entry=0x7f52ba0a3bb0)
at gmain.c:3453
#2  0x00007f52cbe8507b in g_main_context_iterate
(context=context@entry=0x7f52b4000be0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3866
#3  0x00007f52cbe8525c in g_main_context_iteration (context=0x7f52b4000be0,
may_block=1) at gmain.c:3947
#4  0x00007f52d26b769b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#5  0x00007f52d266034a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#6  0x00007f52d249031a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f52d2b36a45 in QDBusConnectionManager::run() () at
/usr/lib64/libQt5DBus.so.5
#8  0x00007f52d2494d2e in QThreadPrivate::start(void*) () at
/usr/lib64/libQt5Core.so.5
#9  0x00007f52cdb9a558 in start_thread (arg=0x7f52ba0a4700) at
pthread_create.c:465
#10 0x00007f52d1d9945f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f52c2e56700 (LWP 17562)):
#0  0x00007f52d1d8ecab in __GI___poll (fds=fds@entry=0x7f52c2e55c08,
nfds=nfds@entry=1, timeout=timeout@entry=-1) at
../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f52ce416387 in poll (__timeout=-1, __nfds=1, __fds=0x7f52c2e55c08)
at /usr/include/bits/poll2.h:46
#2  0x00007f52ce416387 in _xcb_conn_wait (c=c@entry=0x56525a70b520,
cond=cond@entry=0x56525a70b560, vector=vector@entry=0x0, count=count@entry=0x0)
at xcb_conn.c:479
#3  0x00007f52ce41817a in xcb_wait_for_event (c=0x56525a70b520) at xcb_in.c:693
#4  0x00007f52c5c1b4b9 in QXcbEventReader::run() () at
/usr/lib64/libQt5XcbQpa.so.5
#5  0x00007f52d2494d2e in QThreadPrivate::start(void*) () at
/usr/lib64/libQt5Core.so.5
#6  0x00007f52cdb9a558 in start_thread (arg=0x7f52c2e56700) at
pthread_create.c:465
#7  0x00007f52d1d9945f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f52d60f9500 (LWP 17556)):
[KCrash Handler]
#6  0x00007f52d0a4fd74 in QQuickItem::isVisible() const () at
/usr/lib64/libQt5Quick.so.5
#7  0x00007f52d0a4fe61 in QQuickKeysAttached::keyReleased(QKeyEvent*, bool) ()
at /usr/lib64/libQt5Quick.so.5
#8  0x00007f52d0a5b0fa in QQuickItemPrivate::deliverKeyEvent(QKeyEvent*) () at
/usr/lib64/libQt5Quick.so.5
#9  0x00007f52d0a5b475 in QQuickItem::event(QEvent*) () at
/usr/lib64/libQt5Quick.so.5
#10 0x00007f52d42609bc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQt5Widgets.so.5
#11 0x00007f52d4267d74 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#12 0x00007f52d2661d38 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib64/libQt5Core.so.5
#13 0x00007f52d0a6ba28 in QQuickWindow::sendEvent(QQuickItem*, QEvent*) () at
/usr/lib64/libQt5Quick.so.5
#14 0x00007f52d0a6bcff in QQuickWindow::keyReleaseEvent(QKeyEvent*) () at
/usr/lib64/libQt5Quick.so.5
#15 0x00007f52d3ab809b in QWindow::event(QEvent*) () at
/usr/lib64/libQt5Gui.so.5
#16 0x00007f52d0a72ba5 in QQuickWindow::event(QEvent*) () at
/usr/lib64/libQt5Quick.so.5
#17 0x00007f52d42609bc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQt5Widgets.so.5
#18 0x00007f52d4267d74 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#19 0x00007f52d2661d38 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib64/libQt5Core.so.5
#20 0x00007f52d10d16ec in QQuickWidget::keyReleaseEvent(QKeyEvent*) () at
/usr/lib64/libQt5QuickWidgets.so.5
#21 0x00007f52d429e7e8 in QWidget::event(QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#22 0x00007f52d42609bc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQt5Widgets.so.5
#23 0x00007f52d42692b2 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#24 0x00007f52d2661d38 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib64/libQt5Core.so.5
#25 0x00007f52d42bad9c in QWidgetWindow::event(QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#26 0x00007f52d42609bc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQt5Widgets.so.5
#27 0x00007f52d4267d74 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#28 0x00007f52d2661d38 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib64/libQt5Core.so.5
#29 0x00007f52d3aa98b8 in
QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*)
() at /usr/lib64/libQt5Gui.so.5
#30 0x00007f52d3aae4d5 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() at /usr/lib64/libQt5Gui.so.5
#31 0x00007f52d3a87f9b in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /usr/lib64/libQt5Gui.so.5
#32 0x00007f52c5c7ace0 in userEventSourceDispatch(_GSource*, int (*)(void*),
void*) () at /usr/lib64/libQt5XcbQpa.so.5
#33 0x00007f52cbe84f97 in g_main_dispatch (context=0x7f52bc004fc0) at
gmain.c:3148
#34 0x00007f52cbe84f97 in g_main_context_dispatch
(context=context@entry=0x7f52bc004fc0) at gmain.c:3813
#35 0x00007f52cbe851d0 in g_main_context_iterate
(context=context@entry=0x7f52bc004fc0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3886
#36 0x00007f52cbe8525c in g_main_context_iteration (context=0x7f52bc004fc0,
may_block=1) at gmain.c:3947
#37 0x00007f52d26b767f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#38 0x00007f52d266034a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#39 0x00007f52d2668bd4 in QCoreApplication::exec() () at
/usr/lib64/libQt5Core.so.5
#40 0x000056525866980a in main(int, char**) (argc=<optimized out>,
argv=<optimized out>) at /usr/src/debug/systemsettings-5.11.0/app/main.cpp:62

Reported using DrKonqi

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