Application: systemsettings5 (5.4.1)

Qt Version: 5.5.0
Operating System: Linux 4.1.12-1-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

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

System Settings -> Desktop Effects -> Scroll down to Magic Lamp effect and press the preview icon on the right

Expected outcome: A preview of the animation is shown

Actual outcome: The system settings crashes

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fcfa9456780 (LWP 4102))]

Thread 6 (Thread 0x7fcf96f1a700 (LWP 4103)):
#0  0x00007fcfa51dbc1d in poll () at /lib64/libc.so.6
#1  0x00007fcfa1fc0422 in  () at /usr/lib64/libxcb.so.1
#2  0x00007fcfa1fc200f in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007fcf9926ec29 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007fcfa58d255f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007fcfa174b0a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007fcfa51e404d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7fcf82725700 (LWP 4105)):
#0  0x00007fcfa174f05f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fcf89179e53 in  () at /usr/lib64/dri/r600_dri.so
#2  0x00007fcf891795d7 in  () at /usr/lib64/dri/r600_dri.so
#3  0x00007fcfa174b0a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fcfa51e404d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fcf7f582700 (LWP 4118)):
#0  0x00007fcfa122c203 in  () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fcfa122e44b in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fcfa122ed80 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fcfa122ef7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fcfa5b03a5b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fcfa5aaaa63 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fcfa58cd84a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007fcfa3e5e5f8 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x00007fcfa58d255f in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fcfa174b0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fcfa51e404d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fcf73f13700 (LWP 4121)):
#0  0x00007fcfa51d7ced in read () at /lib64/libc.so.6
#1  0x00007fcf94740df1 in pa_read () at /usr/lib64/pulseaudio/libpulsecommon-7.0.so
#2  0x00007fcf94bbdb5e in pa_mainloop_prepare () at /usr/lib64/libpulse.so.0
#3  0x00007fcf94bbe572 in pa_mainloop_iterate () at /usr/lib64/libpulse.so.0
#4  0x00007fcf94bbe630 in pa_mainloop_run () at /usr/lib64/libpulse.so.0
#5  0x00007fcf94bcc783 in  () at /usr/lib64/libpulse.so.0
#6  0x00007fcf9476df98 in  () at /usr/lib64/pulseaudio/libpulsecommon-7.0.so
#7  0x00007fcfa174b0a4 in start_thread () at /lib64/libpthread.so.0
#8  0x00007fcfa51e404d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fcf71fdf700 (LWP 4122)):
#0  0x00007fcfa1270cf9 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fcfa122ee4a in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fcfa122f19a in g_main_loop_run () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fcf72d72426 in  () at /usr/lib64/libgio-2.0.so.0
#4  0x00007fcfa1253f65 in  () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fcfa174b0a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007fcfa51e404d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fcfa9456780 (LWP 4102)):
[KCrash Handler]
#6  0x00007fcf7053b22e in  () at /usr/lib64/libkdecore.so.5
#7  0x00007fcfa929a92a in call_init.part () at /lib64/ld-linux-x86-64.so.2
#8  0x00007fcfa929aa13 in _dl_init_internal () at /lib64/ld-linux-x86-64.so.2
#9  0x00007fcfa929eb48 in dl_open_worker () at /lib64/ld-linux-x86-64.so.2
#10 0x00007fcfa929a7e4 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#11 0x00007fcfa929e33b in _dl_open () at /lib64/ld-linux-x86-64.so.2
#12 0x00007fcf9f84e02b in dlopen_doit () at /lib64/libdl.so.2
#13 0x00007fcfa929a7e4 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#14 0x00007fcf9f84e5dd in _dlerror_run () at /lib64/libdl.so.2
#15 0x00007fcf9f84e0c1 in dlopen@@GLIBC_2.2.5 () at /lib64/libdl.so.2
#16 0x00007fcf70b6ff25 in libmodman::module_manager::load_file(std::string, bool) () at /usr/lib64/libmodman.so.1
#17 0x00007fcf70b702b3 in libmodman::module_manager::load_dir(std::string, bool) () at /usr/lib64/libmodman.so.1
#18 0x00007fcf70d80e06 in  () at /usr/lib64/libproxy.so.1
#19 0x00007fcf70d819bb in px_proxy_factory_new () at /usr/lib64/libproxy.so.1
#20 0x00007fcf70f976f9 in  () at /usr/lib64/gio/modules/libgiolibproxy.so
#21 0x00007fcfa15230eb in g_type_create_instance () at /usr/lib64/libgobject-2.0.so.0
#22 0x00007fcfa150805d in  () at /usr/lib64/libgobject-2.0.so.0
#23 0x00007fcfa1509b6d in g_object_newv () at /usr/lib64/libgobject-2.0.so.0
#24 0x00007fcfa150a31c in g_object_new () at /usr/lib64/libgobject-2.0.so.0
#25 0x00007fcf72cf6071 in  () at /usr/lib64/libgio-2.0.so.0
#26 0x00007fcf72cf61f0 in  () at /usr/lib64/libgio-2.0.so.0
#27 0x00007fcf7307affd in  () at /usr/lib64/libsoup-2.4.so.1
#28 0x00007fcfa1508092 in  () at /usr/lib64/libgobject-2.0.so.0
#29 0x00007fcfa1509b6d in g_object_newv () at /usr/lib64/libgobject-2.0.so.0
#30 0x00007fcfa150a31c in g_object_new () at /usr/lib64/libgobject-2.0.so.0
#31 0x00007fcf73084a7c in soup_session_add_feature_by_type () at /usr/lib64/libsoup-2.4.so.1
#32 0x00007fcf7308553b in  () at /usr/lib64/libsoup-2.4.so.1
#33 0x00007fcfa1508878 in  () at /usr/lib64/libgobject-2.0.so.0
#34 0x00007fcfa1509f24 in g_object_new_valist () at /usr/lib64/libgobject-2.0.so.0
#35 0x00007fcf7308813b in soup_session_async_new_with_options () at /usr/lib64/libsoup-2.4.so.1
#36 0x00007fcf732f0575 in  () at /usr/lib64/gstreamer-1.0/libgstsouphttpsrc.so
#37 0x00007fcf76609abe in  () at /usr/lib64/libgstbase-1.0.so.0
#38 0x00007fcf76609e90 in  () at /usr/lib64/libgstbase-1.0.so.0
#39 0x00007fcf7633778f in gst_pad_activate_mode () at /usr/lib64/libgstreamer-1.0.so.0
#40 0x00007fcf76337d9b in gst_pad_set_active () at /usr/lib64/libgstreamer-1.0.so.0
#41 0x00007fcf7631a6fb in  () at /usr/lib64/libgstreamer-1.0.so.0
#42 0x00007fcf7632a94c in gst_iterator_fold () at /usr/lib64/libgstreamer-1.0.so.0
#43 0x00007fcf7631aaaa in  () at /usr/lib64/libgstreamer-1.0.so.0
#44 0x00007fcf7631c620 in  () at /usr/lib64/libgstreamer-1.0.so.0
#45 0x00007fcf7631c97a in  () at /usr/lib64/libgstreamer-1.0.so.0
#46 0x00007fcf76607f76 in  () at /usr/lib64/libgstbase-1.0.so.0
#47 0x00007fcf7631e4f2 in gst_element_change_state () at /usr/lib64/libgstreamer-1.0.so.0
#48 0x00007fcf7631e6ea in gst_element_change_state () at /usr/lib64/libgstreamer-1.0.so.0
#49 0x00007fcf7631ebcc in  () at /usr/lib64/libgstreamer-1.0.so.0
#50 0x00007fcf76301e99 in  () at /usr/lib64/libgstreamer-1.0.so.0
#51 0x00007fcf74bc80d0 in  () at /usr/lib64/gstreamer-1.0/libgstplayback.so
#52 0x00007fcf7631e4f2 in gst_element_change_state () at /usr/lib64/libgstreamer-1.0.so.0
#53 0x00007fcf7631ebcc in  () at /usr/lib64/libgstreamer-1.0.so.0
#54 0x00007fcf76301e99 in  () at /usr/lib64/libgstreamer-1.0.so.0
#55 0x00007fcf7633ddb7 in  () at /usr/lib64/libgstreamer-1.0.so.0
#56 0x00007fcf74bcfd6c in  () at /usr/lib64/gstreamer-1.0/libgstplayback.so
#57 0x00007fcf7631e4f2 in gst_element_change_state () at /usr/lib64/libgstreamer-1.0.so.0
#58 0x00007fcf7631e6ea in gst_element_change_state () at /usr/lib64/libgstreamer-1.0.so.0
#59 0x00007fcf7631ebcc in  () at /usr/lib64/libgstreamer-1.0.so.0
#60 0x00007fcf76a76a62 in  () at /usr/lib64/qt5/plugins/mediaservice/libgstmediaplayer.so
#61 0x00007fcf76a7511d in  () at /usr/lib64/qt5/plugins/mediaservice/libgstmediaplayer.so
#62 0x00007fcf76f48b00 in  () at /usr/lib64/libQt5Multimedia.so.5
#63 0x00007fcf76f4a966 in QMediaPlayer::setMedia(QMediaContent const&, QIODevice*) () at /usr/lib64/libQt5Multimedia.so.5
#64 0x00007fcf773de775 in  () at /usr/lib64/qt5/qml/QtMultimedia/libdeclarative_multimedia.so
#65 0x00007fcf773df434 in  () at /usr/lib64/qt5/qml/QtMultimedia/libdeclarative_multimedia.so
#66 0x00007fcf773dfc6b in  () at /usr/lib64/qt5/qml/QtMultimedia/libdeclarative_multimedia.so
#67 0x00007fcfa3e1e749 in  () at /usr/lib64/libQt5Qml.so.5
#68 0x00007fcfa3da2222 in  () at /usr/lib64/libQt5Qml.so.5
#69 0x00007fcfa3da2a63 in  () at /usr/lib64/libQt5Qml.so.5
#70 0x00007fcfa3da353f in QV4::QObjectMethod::callInternal(QV4::CallData*) () at /usr/lib64/libQt5Qml.so.5
#71 0x00007fcfa3db7e35 in QV4::Runtime::callProperty(QV4::ExecutionEngine*, int, QV4::CallData*) () at /usr/lib64/libQt5Qml.so.5
#72 0x00007fcf7c13b79c in  ()
#73 0x0000000001da2a80 in  ()
#74 0x0000000001aacc70 in  ()
#75 0x0003000000000002 in  ()
#76 0x00007fcfa434ad7b in QQuickItem::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib64/libQt5Quick.so.5
#77 0x00007fcfa3d58002 in  () at /usr/lib64/libQt5Qml.so.5
#78 0x00007fcfa3db7e35 in QV4::Runtime::callProperty(QV4::ExecutionEngine*, int, QV4::CallData*) () at /usr/lib64/libQt5Qml.so.5
#79 0x00007fcf7c8c1999 in  ()
#80 0x00000000022b30b0 in  ()
#81 0x0000000001aacc70 in  ()
#82 0x0003000000000000 in  ()
#83 0x0001000000000001 in  ()
#84 0x00007fcf78049140 in  ()
#85 0x00007fcf7c9373e0 in  ()
#86 0x0000000000000000 in  ()

Reported using DrKonqi