Application: systemsettings5 (5.16.0)

Qt Version: 5.12.3
Frameworks Version: 5.59.0
Operating System: Linux 4.18.0-21-generic x86_64
Distribution: KDE neon User Edition 5.16

-- Information about the crash:
- What I was doing when the application crashed: Turned off touchpad in wayland session, then settings is crashed.

-- Backtrace:
Application: Параметры системы (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fdc6492e680 (LWP 6322))]

Thread 5 (Thread 0x7fdbfaf31700 (LWP 6863)):
#0  0x00007fdc5fea7bf9 in __GI___poll (fds=0x55fa1cf0bb00, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fdc58f084c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdc58f08862 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdc0025d026 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fdc58f2ff15 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fdc5b2c66db in start_thread (arg=0x7fdbfaf31700) at pthread_create.c:463
#6  0x00007fdc5feb488f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fdbfb732700 (LWP 6862)):
#0  0x00007fdc5fea7bf9 in __GI___poll (fds=0x55fa15d97a10, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fdc58f084c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdc58f085dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdc58f08621 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fdc58f2ff15 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fdc5b2c66db in start_thread (arg=0x7fdbfb732700) at pthread_create.c:463
#6  0x00007fdc5feb488f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fdc03fff700 (LWP 6859)):
#0  0x00007fdc5fea7bf9 in __GI___poll (fds=0x7fdbfc077100, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fdc58f084c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdc58f085dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdc607eadcb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fdc6078c03a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fdc605b34ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fdc5e369115 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fdc605b4c72 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fdc5b2c66db in start_thread (arg=0x7fdc03fff700) at pthread_create.c:463
#9  0x00007fdc5feb488f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fdc4f801700 (LWP 6324)):
#0  0x00007fdc5fea30b4 in __GI___libc_read (fd=5, buf=0x7fdc4f800b20, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fdc58f4d000 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdc58f07fb7 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdc58f08470 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fdc58f085dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fdc607eadcb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fdc6078c03a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fdc605b34ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fdc60c59015 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007fdc605b4c72 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fdc5b2c66db in start_thread (arg=0x7fdc4f801700) at pthread_create.c:463
#11 0x00007fdc5feb488f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fdc6492e680 (LWP 6322)):
[KCrash Handler]
#6  0x00007fdc5338aaa9 in  () at /usr/lib/x86_64-linux-gnu/libwayland-client.so.0
#7  0x00007fdc533868d3 in wl_proxy_destroy () at /usr/lib/x86_64-linux-gnu/libwayland-client.so.0
#8  0x00007fdc51e75e57 in KWayland::Client::PlasmaWindow::release() () at /usr/lib/x86_64-linux-gnu/libKF5WaylandClient.so.5
#9  0x00007fdc51e75e7a in KWayland::Client::PlasmaWindow::~PlasmaWindow() () at /usr/lib/x86_64-linux-gnu/libKF5WaylandClient.so.5
#10 0x00007fdc51e75f99 in KWayland::Client::PlasmaWindow::~PlasmaWindow() () at /usr/lib/x86_64-linux-gnu/libKF5WaylandClient.so.5
#11 0x00007fdc607bb3bb in QObjectPrivate::deleteChildren() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fdc607c4ffb in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007fdc51e76719 in KWayland::Client::PlasmaWindowManagement::~PlasmaWindowManagement() () at /usr/lib/x86_64-linux-gnu/libKF5WaylandClient.so.5
#14 0x00007fdc607bb3bb in QObjectPrivate::deleteChildren() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007fdc607c4ffb in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007fdc457f8ed3 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemKWaylandPlugin.so
#17 0x00007fdc5fdd6041 in __run_exit_handlers (status=0, listp=0x7fdc6017e718 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true, run_dtors=run_dtors@entry=true) at exit.c:108
#18 0x00007fdc5fdd613a in __GI_exit (status=<optimized out>) at exit.c:139
#19 0x00007fdc5fdb4b9e in __libc_start_main (main=0x55fa14caee30, argc=1, argv=0x7ffc3f1b6f68, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc3f1b6f58) at ../csu/libc-start.c:344
#20 0x000055fa14caf29a in _start ()

Reported using DrKonqi