Application: kwin_x11 (5.3.0)

Qt Version: 5.4.1
Operating System: Linux 3.16.7-7-desktop x86_64
Distribution: "openSUSE 20150516 (Tumbleweed) (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
After login the crash appeared during launching kdeinit5 / kwin

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe9f9bf0900 (LWP 2432))]

Thread 3 (Thread 0x7fe9d9979700 (LWP 2453)):
#0  0x00007fe9f957bae3 in select () at /lib64/libc.so.6
#1  0x00007fe9f7427769 in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007fe9f7429083 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /usr/lib64/libQt5Core.so.5
#3  0x00007fe9f74294eb in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe9f73d1f2b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fe9f71f4dba in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fe9f1636f68 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007fe9f71f99ef in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fe9f8e33484 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fe9f9582a4d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fe9d88b8700 (LWP 2454)):
#0  0x00007fe9f8e3791f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe9f61fe47b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007fe9f61fe4a9 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007fe9f8e33484 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fe9f9582a4d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fe9f9bf0900 (LWP 2432)):
[KCrash Handler]
#4  0x00007fe9f5596807 in  () at /usr/lib64/libKF5Activities.so.5
#5  0x00007fe9f7404656 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fe9f71f1932 in QFutureWatcherBase::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#7  0x00007fe9f8093b5c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#8  0x00007fe9f8098a26 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#9  0x00007fe9f73d3fd5 in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#10 0x00007fe9f73d5e6f in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#11 0x00007fe9f7429474 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#12 0x00007fe9e1a0bb9d in  () at /usr/lib64/qt5/plugins/platforms/libqxcb.so
#13 0x00007fe9f73d1f2b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#14 0x00007fe9f73d95b6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#15 0x00007fe9f98415a8 in kdemain () at /usr/lib64/libkdeinit5_kwin_x11.so
#16 0x00007fe9f94bc8c5 in __libc_start_main () at /lib64/libc.so.6
#17 0x0000000000400869 in _start ()

Reported using DrKonqi