Application: systemsettings5 (5.4.3)
 (Compiled from sources)
Qt Version: 5.5.1
Operating System: Linux 4.1.13-5-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

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

using configure desktop to change some settings the crash.

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 0x7f98cbc9b780 (LWP 3458))]

Thread 3 (Thread 0x7f98b971b700 (LWP 3459)):
#0  0x00007f98c79f1c1d in poll () at /lib64/libc.so.6
#1  0x00007f98c47cc422 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f98c47ce00f in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f98bba703c9 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f98c80e932f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f98c3f560a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f98c79fa04d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f98a4dfa700 (LWP 3464)):
#0  0x00007f98c79f1c1d in poll () at /lib64/libc.so.6
#1  0x00007f98c3a39e64 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f98c3a3a19a in g_main_loop_run () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f98a5304426 in  () at /usr/lib64/libgio-2.0.so.0
#4  0x00007f98c3a5ef65 in  () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f98c3f560a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f98c79fa04d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f98cbc9b780 (LWP 3458)):
[KCrash Handler]
#6  0x0000000000000040 in  ()
#7  0x00007f98c82f734b in QObject::disconnect(QObject const*, char const*, QObject const*, char const*) () at /usr/lib64/libQt5Core.so.5
#8  0x00007f98a9c80485 in KParts::PartManager::~PartManager() () at /usr/lib64/libKF5Parts.so.5
#9  0x00007f98a9c80629 in KParts::PartManager::~PartManager() () at /usr/lib64/libKF5Parts.so.5
#10 0x00007f98c82f363c in QObjectPrivate::deleteChildren() () at /usr/lib64/libQt5Core.so.5
#11 0x00007f98c82fd2cc in QObject::~QObject() () at /usr/lib64/libQt5Core.so.5
#12 0x00007f98aa3c04a6 in KHTMLPart::~KHTMLPart() () at /usr/lib64/libKF5KHtml.so.5
#13 0x00007f98aa3c0659 in KHTMLPart::~KHTMLPart() () at /usr/lib64/libKF5KHtml.so.5
#14 0x00007f98c82f5b18 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#15 0x00007f98c9de7e7c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#16 0x00007f98c9deccc8 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#17 0x00007f98c82c4e95 in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#18 0x00007f98c82c7057 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#19 0x00007f98c831c8f3 in  () at /usr/lib64/libQt5Core.so.5
#20 0x00007f98c3a39c84 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#21 0x00007f98c3a39ed8 in  () at /usr/lib64/libglib-2.0.so.0
#22 0x00007f98c3a39f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#23 0x00007f98c831bd6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#24 0x00007f98c82c2d53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#25 0x00007f98c82ca8f6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#26 0x00000000004103cf in main ()

Possible duplicates by query: bug 355611.

Reported using DrKonqi