Application: systemsettings5 (5.13.2)

Qt Version: 5.11.1
Frameworks Version: 5.47.0
Operating System: Linux 4.14.52-1-lts x86_64
Distribution: "Arch Linux"

-- Information about the crash:
Every time i open the Applications > Launch Feedback section and try to switch away from it, the application crashes.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f8d43f0e840 (LWP 5719))]

Thread 15 (Thread 0x7f8cd632b700 (LWP 6014)):
#0  0x00007f8d387d8641 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#1  0x00007f8d3fe6f054 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#2  0x00007f8d3fe1a94c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#3  0x00007f8d3fc63a99 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#4  0x00007f8d3d95b9c9 in  () at /usr/lib/libQt5Qml.so.5
#5  0x00007f8d3fc6db45 in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f8d3ae3a075 in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f8d3f55d53f in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7f8cf0978700 (LWP 5756)):
#0  0x00007f8d3881dec5 in  () at /usr/lib/libglib-2.0.so.0
#1  0x00007f8d387d7ff8 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0x00007f8d387d84c6 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f8d387d88e2 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0
#4  0x00007f8d0ab9f348 in  () at /usr/lib/libgio-2.0.so.0
#5  0x00007f8d38800a2a in  () at /usr/lib/libglib-2.0.so.0
#6  0x00007f8d3ae3a075 in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f8d3f55d53f in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7f8cf1179700 (LWP 5755)):
#0  0x00007f8d3f552ea9 in poll () at /usr/lib/libc.so.6
#1  0x00007f8d387d8523 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f8d387d863e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f8d387d8692 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f8d38800a2a in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f8d3ae3a075 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f8d3f55d53f in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7f8cf2521700 (LWP 5734)):
#0  0x00007f8d3ae3fffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8d2498fd44 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8d2498fa38 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8d3ae3a075 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8d3f55d53f in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f8cf2d92700 (LWP 5733)):
#0  0x00007f8d3ae3fffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8d2498fd44 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8d2498fa38 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8d3ae3a075 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8d3f55d53f in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f8cf3fff700 (LWP 5732)):
#0  0x00007f8d3ae3fffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8d2498fd44 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8d2498fa38 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8d3ae3a075 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8d3f55d53f in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f8cf8823700 (LWP 5731)):
#0  0x00007f8d3ae3fffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8d2498fd44 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8d2498fa38 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8d3ae3a075 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8d3f55d53f in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f8cfa364700 (LWP 5730)):
#0  0x00007f8d3f56a8f2 in __libc_disable_asynccancel () at /usr/lib/libc.so.6
#1  0x00007f8d3f552ebd in poll () at /usr/lib/libc.so.6
#2  0x00007f8d387d8523 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f8d387d863e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f8d3fe6f054 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f8d3fe1a94c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f8d3fc63a99 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f8d3d95b9c9 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007f8d3fc6db45 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f8d3ae3a075 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f8d3f55d53f in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f8d02169700 (LWP 5728)):
#0  0x00007f8d3fe6efb1 in  () at /usr/lib/libQt5Core.so.5
#1  0x00007f8d387d7a49 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0x00007f8d387d844e in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f8d387d863e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f8d3fe6f054 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f8d3fe1a94c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f8d3fc63a99 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f8d3d95b9c9 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007f8d3fc6db45 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f8d3ae3a075 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f8d3f55d53f in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f8d19455700 (LWP 5725)):
#0  0x00007f8d3ae3fffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8d2498fd44 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8d2498fa38 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8d3ae3a075 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8d3f55d53f in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f8d19c56700 (LWP 5724)):
#0  0x00007f8d3ae3fffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8d2498fd44 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8d2498fa38 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8d3ae3a075 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8d3f55d53f in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f8d1a457700 (LWP 5723)):
#0  0x00007f8d3ae3fffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8d2498fd44 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8d2498fa38 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8d3ae3a075 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8d3f55d53f in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f8d1ae6a700 (LWP 5722)):
#0  0x00007f8d3ae3fffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8d2498fd44 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8d2498fa38 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8d3ae3a075 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8d3f55d53f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f8d2749b700 (LWP 5721)):
#0  0x00007f8d3fe6ef10 in  () at /usr/lib/libQt5Core.so.5
#1  0x00007f8d387d7a49 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0x00007f8d387d844e in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f8d387d863e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f8d3fe6f054 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f8d3fe1a94c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f8d3fc63a99 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f8d402bf976 in  () at /usr/lib/libQt5DBus.so.5
#8  0x00007f8d3fc6db45 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f8d3ae3a075 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f8d3f55d53f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f8d43f0e840 (LWP 5719)):
[KCrash Handler]
#6  0x00007f8d431ddd30 in KQuickAddons::ConfigModule::needsSave() () at /usr/lib/libKF5QuickAddons.so.5
#7  0x00007f8d4370c36c in  () at /usr/lib/libKF5KCMUtils.so.5
#8  0x00007f8d3fe45c50 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#9  0x00007f8cd7bc77ce in  () at /usr/lib/qt/plugins/kcms/kcm_launchfeedback.so
#10 0x00007f8cd7bc9f7b in  () at /usr/lib/qt/plugins/kcms/kcm_launchfeedback.so
#11 0x00007f8d3d8733d5 in QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*, QV4::Value const&) () at /usr/lib/libQt5Qml.so.5
#12 0x00007f8d3d87415f in QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, QV4::Value const&) () at /usr/lib/libQt5Qml.so.5
#13 0x00007f8d3d874256 in QV4::QObjectWrapper::put(QV4::Managed*, QV4::String*, QV4::Value const&) () at /usr/lib/libQt5Qml.so.5
#14 0x00007f8d3d88745c in QV4::Runtime::method_storeProperty(QV4::ExecutionEngine*, QV4::Value const&, int, QV4::Value const&) () at /usr/lib/libQt5Qml.so.5
#15 0x00007f8d3d89307a in  () at /usr/lib/libQt5Qml.so.5
#16 0x00007f8cf1a0afad in  ()
#17 0x00007f8cd7785320 in  ()
#18 0x00007f8cd7785328 in  ()
#19 0x0000560bc0099b10 in  ()
#20 0x0000000000000000 in  ()

Reported using DrKonqi