Application: systemsettings5 (5.14.3)

Qt Version: 5.11.1
Frameworks Version: 5.51.0
Operating System: Linux 4.18.0-11-generic x86_64
Distribution: Ubuntu 18.10

-- Information about the crash:
- What I was doing when the application crashed:
Moving Emacs to be preferred application over Kate for opening a whole host of source files. Then I hit Apply (bulk operation) and the System Settings dialog closed and the crash notice came up.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4192a82840 (LWP 723))]

Thread 9 (Thread 0x7f414bfff700 (LWP 18413)):
#0  0x00007f4198e4e6d9 in __GI___poll (fds=0x560ef2fd1950, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4195f7de46 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4195f7e1d2 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f41643d17b6 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f4195fa6135 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f41972f3164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f4198e5adef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f4150f95700 (LWP 18412)):
#0  0x00007f4198e49f64 in __GI___libc_read (fd=101, buf=0x7f4150f94ca0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:26
#1  0x00007f4195fc3180 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4195f7d91f in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4195f7ddf0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4195f7df6c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f4195f7dfb1 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f4195fa6135 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f41972f3164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007f4198e5adef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f4166406700 (LWP 739)):
#0  0x00007f4198e49f64 in __GI___libc_read (fd=30, buf=0x7f4166405b9e, nbytes=10) at ../sysdeps/unix/sysv/linux/read.c:26
#1  0x00007f418163c1f1 in pa_read () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-12.2.so
#2  0x00007f41816bcdbe in pa_mainloop_prepare () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f41816bd820 in pa_mainloop_iterate () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f41816bd8e0 in pa_mainloop_run () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f41816cb8f9 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f418166b6f8 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-12.2.so
#7  0x00007f41972f3164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007f4198e5adef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f41714e1700 (LWP 733)):
#0  0x00007f4198e4e6d9 in __GI___poll (fds=0x7f416c004e00, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4195f7de46 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4195f7df6c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f419937115b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f419931e16b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f419916d0b6 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f41985711f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f4199176c87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f41972f3164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4198e5adef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f417aebd700 (LWP 730)):
#0  0x00007f4198e4e6d9 in __GI___poll (fds=0x7f4174003ce0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4195f7de46 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4195f7df6c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f419937115b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f419931e16b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f419916d0b6 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f41985711f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f4199176c87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f41972f3164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4198e5adef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f4180a54700 (LWP 728)):
#0  0x00007f4198e49f64 in __GI___libc_read (fd=11, buf=0x7f4180a53b20, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:26
#1  0x00007f4195fc3180 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4195f7d91f in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4195f7ddf0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4195f7df6c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f419937115b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f419931e16b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f419916d0b6 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f41985711f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f4199176c87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f41972f3164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#11 0x00007f4198e5adef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f4189e8c700 (LWP 726)):
#0  0x00007f4198e4e6d9 in __GI___poll (fds=0x7f4184013d90, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4195f7de46 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4195f7df6c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f419937115b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f419931e16b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f419916d0b6 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f419962a545 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f4199176c87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f41972f3164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4198e5adef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f4191421700 (LWP 725)):
#0  0x00007f4198e4e6d9 in __GI___poll (fds=0x7f4191420c78, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f41972b3917 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f41972b553a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f41923ba159 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f4199176c87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f41972f3164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f4198e5adef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4192a82840 (LWP 723)):
[KCrash Handler]
#6  0x00007f419a8734f2 in  () at /usr/lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#7  0x00007f4199348830 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f4171cf7d23 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kcms/kcm_launchfeedback.so
#9  0x00007f4171cfa3c3 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kcms/kcm_launchfeedback.so
#10 0x00007f419848d084 in QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*, QV4::Value const&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f419848ddde in QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, QV4::Value const&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f419848ded4 in QV4::QObjectWrapper::put(QV4::Managed*, QV4::String*, QV4::Value const&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007f41984a0eac in QV4::Runtime::method_storeProperty(QV4::ExecutionEngine*, QV4::Value const&, int, QV4::Value const&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#14 0x00007f41984ac789 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007f4172fe02ed in  ()
#16 0x00007f41708a2320 in  ()
#17 0x00007f41708a2328 in  ()
#18 0x0000560ef135b6f0 in  ()
#19 0x0000000000000000 in  ()
[Inferior 1 (process 723) detached]

Reported using DrKonqi