Application: kwin_x11 (5.9.4)

Qt Version: 5.8.0
Frameworks Version: 5.32.0
Operating System: Linux 4.10.4-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:
I selected a program to execute, with the Kmenu, and the crash occurred while I waiting the program to run.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc9aa0c3840 (LWP 772))]

Thread 10 (Thread 0x7fc9825dc700 (LWP 3159)):
#0  0x00007fc9a9b0076b in ppoll () at /usr/lib/libc.so.6
#1  0x00007fc9a71842f9 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5
#2  0x00007fc9a718596a in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#3  0x00007fc9a713289a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fc9a6f54a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007fc9a1a70025 in  () at /usr/lib/libQt5Qml.so.5
#6  0x00007fc9a6f596d8 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fc9a2d462e7 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fc9a9b0a54f in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7fc8e6e39700 (LWP 2974)):
#0  0x00007fc9a2d4c756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fc8ec1439c3 in  () at /usr/lib/xorg/modules/dri/swrast_dri.so
#2  0x00007fc8ec143827 in  () at /usr/lib/xorg/modules/dri/swrast_dri.so
#3  0x00007fc9a2d462e7 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fc9a9b0a54f in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7fc8e763a700 (LWP 2973)):
#0  0x00007fc9a2d4c756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fc8ec1439c3 in  () at /usr/lib/xorg/modules/dri/swrast_dri.so
#2  0x00007fc8ec143827 in  () at /usr/lib/xorg/modules/dri/swrast_dri.so
#3  0x00007fc9a2d462e7 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fc9a9b0a54f in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7fc8e7e3b700 (LWP 2972)):
#0  0x00007fc9a2d4c756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fc8ec1439c3 in  () at /usr/lib/xorg/modules/dri/swrast_dri.so
#2  0x00007fc8ec143827 in  () at /usr/lib/xorg/modules/dri/swrast_dri.so
#3  0x00007fc9a2d462e7 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fc9a9b0a54f in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7fc983fff700 (LWP 2971)):
#0  0x00007fc9a2d4c756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fc8ec1439c3 in  () at /usr/lib/xorg/modules/dri/swrast_dri.so
#2  0x00007fc8ec143827 in  () at /usr/lib/xorg/modules/dri/swrast_dri.so
#3  0x00007fc9a2d462e7 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fc9a9b0a54f in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7fc981ddb700 (LWP 1060)):
#0  0x00007fc9a2d4c756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fc9a60c3234 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007fc9a60c3279 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007fc9a2d462e7 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fc9a9b0a54f in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7fc9835dd700 (LWP 956)):
#0  0x00007fc9a9b0076b in ppoll () at /usr/lib/libc.so.6
#1  0x00007fc9a71842f9 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5
#2  0x00007fc9a718596a in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#3  0x00007fc9a713289a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fc9a6f54a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007fc9a1a70025 in  () at /usr/lib/libQt5Qml.so.5
#6  0x00007fc9a6f596d8 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fc9a2d462e7 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fc9a9b0a54f in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7fc98ab3e700 (LWP 817)):
#0  0x00007fc9a9b0076b in ppoll () at /usr/lib/libc.so.6
#1  0x00007fc9a71842f9 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5
#2  0x00007fc9a718596a in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#3  0x00007fc9a713289a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fc9a6f54a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007fc9a0c1a125 in  () at /usr/lib/libQt5DBus.so.5
#6  0x00007fc9a6f596d8 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fc9a2d462e7 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fc9a9b0a54f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fc990851700 (LWP 815)):
#0  0x00007fc9a9b0067d in poll () at /usr/lib/libc.so.6
#1  0x00007fc9a8c198e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007fc9a8c1b679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007fc99192d239 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007fc9a6f596d8 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fc9a2d462e7 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fc9a9b0a54f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7fc9aa0c3840 (LWP 772)):
[KCrash Handler]
#6  0x0000000000006572 in  ()
#7  0x00007fc9a71663f0 in QObject::connect(QObject const*, char const*, QObject const*, char const*, Qt::ConnectionType) () at /usr/lib/libQt5Core.so.5
#8  0x00007fc9a610576f in  () at /usr/lib/libQt5Script.so.5
#9  0x00007fc9a6105844 in  () at /usr/lib/libQt5Script.so.5
#10 0x00007fc9a6105ac2 in QScriptEngine::newQObject(QObject*, QScriptEngine::ValueOwnership, QFlags<QScriptEngine::QObjectWrapOption> const&) () at /usr/lib/libQt5Script.so.5
#11 0x00007fc9a96f6e7c in  () at /usr/lib/libkwin.so.5
#12 0x00007fc9a6105d75 in  () at /usr/lib/libQt5Script.so.5
#13 0x00007fc9a612e826 in  () at /usr/lib/libQt5Script.so.5
#14 0x00007fc9a6136af1 in  () at /usr/lib/libQt5Script.so.5
#15 0x00007fc9a715fee4 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#16 0x00007fc9a6914e08 in KWin::EffectsHandler::desktopPresenceChanged(KWin::EffectWindow*, int, int) () at /usr/lib/libkwineffects.so.10
#17 0x00007fc9a69167c1 in  () at /usr/lib/libkwineffects.so.10
#18 0x00007fc9a7160ba9 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#19 0x00007fc9a7e1634c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#20 0x00007fc9a7e1db61 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#21 0x00007fc9a7134440 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#22 0x00007fc9a7136bcd in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#23 0x00007fc9a7185797 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#24 0x00007fc99198dded in  () at /usr/lib/libQt5XcbQpa.so.5
#25 0x00007fc9a713289a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#26 0x00007fc9a713ade4 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#27 0x00007fc9a9dcb391 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so
#28 0x00007fc9a9a3e511 in __libc_start_main () at /usr/lib/libc.so.6
#29 0x000000000040069a in _start ()

Reported using DrKonqi