Application: systemsettings5 (5.4.3)

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:
switching to other section  with not applied setting  
- Custom settings of the application:
tree view , expand 1st lvl ( not working too)

The crash can be reproduced sometimes.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc8ac015780 (LWP 19399))]

Thread 4 (Thread 0x7fc898037700 (LWP 19400)):
#0  0x00007fc8a7d6dc1d in poll () from /lib64/libc.so.6
#1  0x00007fc8a4b48422 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007fc8a4b4a00f in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007fc89a9be3c9 in ?? () from /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007fc8a846532f in ?? () from /usr/lib64/libQt5Core.so.5
#5  0x00007fc8a42d20a4 in start_thread () from /lib64/libpthread.so.0
#6  0x00007fc8a7d7604d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7fc880840700 (LWP 19437)):
#0  0x00007fc8a3df7d14 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fc8a3db58e9 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fc8a3db5df8 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fc8a3db5f7c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fc8a8697d8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5  0x00007fc8a863ed53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#6  0x00007fc8a846061a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#7  0x00007fc8a69e8df8 in ?? () from /usr/lib64/libQt5Qml.so.5
#8  0x00007fc8a846532f in ?? () from /usr/lib64/libQt5Core.so.5
#9  0x00007fc8a42d20a4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007fc8a7d7604d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fc87142d700 (LWP 19452)):
#0  0x00007ffeca78db26 in clock_gettime ()
#1  0x00007fc8a7d82c9d in clock_gettime () from /lib64/libc.so.6
#2  0x00007fc8a85167d6 in ?? () from /usr/lib64/libQt5Core.so.5
#3  0x00007fc8a86963b9 in QTimerInfoList::updateCurrentTime() () from /usr/lib64/libQt5Core.so.5
#4  0x00007fc8a8696945 in QTimerInfoList::timerWait(timespec&) () from /usr/lib64/libQt5Core.so.5
#5  0x00007fc8a8697b5e in ?? () from /usr/lib64/libQt5Core.so.5
#6  0x00007fc8a3db54ad in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#7  0x00007fc8a3db5d80 in ?? () from /usr/lib64/libglib-2.0.so.0
#8  0x00007fc8a3db5f7c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#9  0x00007fc8a8697d8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#10 0x00007fc8a863ed53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#11 0x00007fc8a846061a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#12 0x00007fc8a69e8df8 in ?? () from /usr/lib64/libQt5Qml.so.5
#13 0x00007fc8a846532f in ?? () from /usr/lib64/libQt5Core.so.5
#14 0x00007fc8a42d20a4 in start_thread () from /lib64/libpthread.so.0
#15 0x00007fc8a7d7604d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fc8ac015780 (LWP 19399)):
[KCrash Handler]
#6  0x0000000001643590 in ?? ()
#7  0x00007fc8a867334b in QObject::disconnect(QObject const*, char const*, QObject const*, char const*) () from /usr/lib64/libQt5Core.so.5
#8  0x00007fc888fcb485 in KParts::PartManager::~PartManager() () from /usr/lib64/libKF5Parts.so.5
#9  0x00007fc888fcb629 in KParts::PartManager::~PartManager() () from /usr/lib64/libKF5Parts.so.5
#10 0x00007fc8a866f63c in QObjectPrivate::deleteChildren() () from /usr/lib64/libQt5Core.so.5
#11 0x00007fc8a86792cc in QObject::~QObject() () from /usr/lib64/libQt5Core.so.5
#12 0x00007fc88970b4a6 in KHTMLPart::~KHTMLPart() () from /usr/lib64/libKF5KHtml.so.5
#13 0x00007fc88970b659 in KHTMLPart::~KHTMLPart() () from /usr/lib64/libKF5KHtml.so.5
#14 0x00007fc8a8671b18 in QObject::event(QEvent*) () from /usr/lib64/libQt5Core.so.5
#15 0x00007fc8aa163e7c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#16 0x00007fc8aa168cc8 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#17 0x00007fc8a8640e95 in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5
#18 0x00007fc8a8643057 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib64/libQt5Core.so.5
#19 0x00007fc8a86988f3 in ?? () from /usr/lib64/libQt5Core.so.5
#20 0x00007fc8a3db5c84 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#21 0x00007fc8a3db5ed8 in ?? () from /usr/lib64/libglib-2.0.so.0
#22 0x00007fc8a3db5f7c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#23 0x00007fc8a8697d6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#24 0x00007fc8a863ed53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#25 0x00007fc8a86468f6 in QCoreApplication::exec() () from /usr/lib64/libQt5Core.so.5
#26 0x00000000004103cf in main ()

Possible duplicates by query: bug 356835, bug 356771, bug 356487, bug 356465, bug 356364.

Reported using DrKonqi