Application: KWin (kwin), signal: Segmentation fault
Using host libthread_db library "/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6ae39e8780 (LWP 18759))]

Thread 2 (Thread 0x7f6ac0ab9700 (LWP 18771)):
#0  0x00007f6ade60ba14 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007f6adfc90212 in ?? () from /usr/lib/libQtScript.so.4
#2  0x00007f6adfc90249 in ?? () from /usr/lib/libQtScript.so.4
#3  0x00007f6ade607daa in start_thread () from /lib/libpthread.so.0
#4  0x00007f6ae322855d in clone () from /lib/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f6ae39e8780 (LWP 18759)):
[KCrash Handler]
#6  0x00007f6ac83943dd in ?? () from /usr/lib/kde4/kwin4_effect_generic_animations.so
#7  0x00007f6ae35b6e39 in ?? () from /usr/lib/libkdeinit4_kwin.so
#8  0x00007f6ae359587b in ?? () from /usr/lib/libkdeinit4_kwin.so
#9  0x00007f6ae35ac34d in ?? () from /usr/lib/libkdeinit4_kwin.so
#10 0x00007f6ae358fdf8 in ?? () from /usr/lib/libkdeinit4_kwin.so
#11 0x00007f6ade9ade09 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#12 0x00007f6addb058c4 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#13 0x00007f6addb0a743 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#14 0x00007f6ae2d0c646 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#15 0x00007f6ade99506c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#16 0x00007f6ade9c5ef2 in ?? () from /usr/lib/libQtCore.so.4
#17 0x00007f6ade9c69b4 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#18 0x00007f6addba9db8 in ?? () from /usr/lib/libQtGui.so.4
#19 0x00007f6ade993e52 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#20 0x00007f6ade9940a7 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#21 0x00007f6ade998c05 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#22 0x00007f6ae3545616 in kdemain () from /usr/lib/libkdeinit4_kwin.so
#23 0x00007f6ae316738d in __libc_start_main () from /lib/libc.so.6
#24 0x0000000000400671 in _start ()