Application: systemsettings5 (5.13.5)

Qt Version: 5.11.1
Frameworks Version: 5.50.0
Operating System: Linux 4.18.0-18-generic x86_64
Distribution: Ubuntu 18.10

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

in personalisation > applications, i clicked on one or the other of:  file associations or locations.  systemsettings immediately crashed.

-- 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 0x7f9f0c7c9840 (LWP 12542))]

Thread 6 (Thread 0x7f9ee9f00700 (LWP 12652)):
#0  0x00007f9f12bb1172 in __libc_disable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:85
#1  0x00007f9f12b91f79 in __GI___libc_read (fd=28, buf=0x7f9ee9effc90, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:26
#2  0x00007f9f0fd0b180 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9f0fcc591f in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9f0fcc5df0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9f0fcc61d2 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f9eeb4b67b6 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#7  0x00007f9f0fcee135 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f9f1103b164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f9f12ba2def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f9eedf1f700 (LWP 12651)):
#0  0x00007f9f0fcc2d9e in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9f0fcc52b3 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9f0fcc5d7b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9f0fcc5f6c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9f0fcc5fb1 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9f0fcee135 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f9f1103b164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f9f12ba2def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f9ef49d2700 (LWP 12570)):
#0  0x00007f9f12b91f64 in __GI___libc_read (fd=13, buf=0x7f9ef49d1b20, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:26
#1  0x00007f9f0fd0b180 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9f0fcc591f in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9f0fcc5df0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9f0fcc5f6c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9f130b915b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9f1306616b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9f12eb50b6 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9f121761f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f9f12ebec87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f9f1103b164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#11 0x00007f9f12ba2def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f9f0298e700 (LWP 12545)):
#0  0x00007f9f110412eb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5597fa2e14c8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9f110412eb in __pthread_cond_wait_common (abstime=0x0, mutex=0x5597fa2e1478, cond=0x5597fa2e14a0) at pthread_cond_wait.c:502
#2  0x00007f9f110412eb in __pthread_cond_wait (cond=0x5597fa2e14a0, mutex=0x5597fa2e1478) at pthread_cond_wait.c:655
#3  0x00007f9f03075ebb in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f9f03075c27 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f9f1103b164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f9f12ba2def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f9f094a6700 (LWP 12544)):
#0  0x00007f9f12b966d9 in __GI___poll (fds=0x7f9efc013a40, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9f0fcc5e46 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9f0fcc5f6c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9f130b915b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9f1306616b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9f12eb50b6 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9f13372545 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f9f12ebec87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9f1103b164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f9f12ba2def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f9f0c7c9840 (LWP 12542)):
[KCrash Handler]
#6  0x00007f9f145b24b2 in  () at /usr/lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#7  0x00007f9f13090830 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9ef6198d43 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kcms/kcm_launchfeedback.so
#9  0x00007f9ef619b3e3 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kcms/kcm_launchfeedback.so
#10 0x00007f9f12092084 in QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*, QV4::Value const&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f9f12092dde 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 0x00007f9f12092ed4 in QV4::QObjectWrapper::put(QV4::Managed*, QV4::String*, QV4::Value const&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007f9f120a5eac 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 0x00007f9f120b1789 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007f9ee964bf7d in  ()
#16 0x00007f9eefbc1320 in  ()
#17 0x00007f9eefbc1328 in  ()
#18 0x00005597fd2f8ec0 in  ()
#19 0x0000000000000000 in  ()
[Inferior 1 (process 12542) detached]

Reported using DrKonqi