Application: kwin_x11 (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.1.15-8-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
I was turning on/off one or more of my monitors. Every time atleast one of the system critical programs crashes. Trying to report all of them.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0ef2d20840 (LWP 2023))]

Thread 4 (Thread 0x7f0ed51b4700 (LWP 2034)):
#0  0x00007ffdfe199b26 in clock_gettime ()
#1  0x00007f0ef26b4c3d in clock_gettime () at /lib64/libc.so.6
#2  0x00007f0ef03537d6 in  () at /usr/lib64/libQt5Core.so.5
#3  0x00007f0ef04d33b9 in QTimerInfoList::updateCurrentTime() () at /usr/lib64/libQt5Core.so.5
#4  0x00007f0ef04d3945 in QTimerInfoList::timerWait(timespec&) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f0ef04d2fa2 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f0ef047bd53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007f0ef029d61a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007f0eea7a3df8 in  () at /usr/lib64/libQt5Qml.so.5
#9  0x00007f0ef02a232f in  () at /usr/lib64/libQt5Core.so.5
#10 0x00007f0ef1cd30a4 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f0ef26a7fed in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f0ed0d32700 (LWP 2086)):
#0  0x00007f0ef1cd703f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f0eef22786b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f0eef227899 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f0ef1cd30a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f0ef26a7fed in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f0ed37ac700 (LWP 6932)):
#0  0x00007f0ef1cd703f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f0ef02a334b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f0eeae9725b in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007f0eeae976f3 in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007f0ef02a232f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f0ef1cd30a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f0ef26a7fed in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f0ef2d20840 (LWP 2023)):
[KCrash Handler]
#6  0x00007f0ef09f61a0 in QScreen::refreshRate() const () at /usr/lib64/libQt5Gui.so.5
#7  0x00007f0eeae97baf in  () at /usr/lib64/libQt5Quick.so.5
#8  0x00007f0eeae97d1f in  () at /usr/lib64/libQt5Quick.so.5
#9  0x00007f0ef04adcc6 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#10 0x00007f0ef027b08e in QUnifiedTimer::startAnimationDriver() () at /usr/lib64/libQt5Core.so.5
#11 0x00007f0ef027c8ca in QUnifiedTimer::startTimers() () at /usr/lib64/libQt5Core.so.5
#12 0x00007f0ef04aeac6 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#13 0x00007f0ef1161e7c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#14 0x00007f0ef1166cc8 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#15 0x00007f0ef047de95 in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#16 0x00007f0ef0480057 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#17 0x00007f0ef04d2ec4 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#18 0x00007f0ed962a33d in  () at /usr/lib64/libQt5XcbQpa.so.5
#19 0x00007f0ef047bd53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#20 0x00007f0ef04838f6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#21 0x00007f0ef2970887 in kdemain () at /usr/lib64/libkdeinit5_kwin_x11.so
#22 0x00007f0ef25e4b05 in __libc_start_main () at /lib64/libc.so.6
#23 0x000000000040085e in _start ()

Reported using DrKonqi