Application: KWin (kwin), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa7cdcdf7c0 (LWP 2093))]

Thread 3 (Thread 0x7fa7af6c4700 (LWP 2099)):
#0  0x00007fa7c1852cbe in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fa7c9de4d87 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fa7c9de4db9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fa7c9384344 in ?? () from /usr/lib/nvidia-310/libGL.so.1
#4  0x00007fa7c184ef9f in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007fa7cd4f30cd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 2 (Thread 0x7fa7ada81700 (LWP 2100)):
#0  0x00007fff6dbfeaf7 in ?? ()
#1  0x00007fa7ada809f0 in ?? ()
#2  0x00000002a0000d90 in ?? ()
#3  0x00007fa7a00011a8 in ?? ()
#4  0x00007fa7ada80c20 in ?? ()
#5  0x00007fa7a0000920 in ?? ()
#6  0x00007fa7ada80bd0 in ?? ()
#7  0x00007fa7c247e32d in clock_gettime () from /lib/x86_64-linux-gnu/librt.so.1
#8  0x00007fa7c8797aa4 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007fa7c886d9bd in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#10 0x00007fa7c886ec33 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timeval*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#11 0x00007fa7c886fa22 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#12 0x00007fa7c883d3ff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#13 0x00007fa7c883d688 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#14 0x00007fa7c873ec00 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#15 0x00007fa7c881db2f in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#16 0x00007fa7c8741bdc in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#17 0x00007fa7c9384344 in ?? () from /usr/lib/nvidia-310/libGL.so.1
#18 0x00007fa7c184ef9f in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#19 0x00007fa7cd4f30cd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 1 (Thread 0x7fa7cdcdf7c0 (LWP 2093)):
[KCrash Handler]
#5  0x000000000206c9e0 in ?? ()
#6  0x00007fa7cc46e4b7 in QDeclarativeItem::~QDeclarativeItem() () from /usr/lib/x86_64-linux-gnu/libQtDeclarative.so.4
#7  0x00007fa7cc4320de in ?? () from /usr/lib/x86_64-linux-gnu/libQtDeclarative.so.4
#8  0x00007fa7c88535b8 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007fa7c7be4fbc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#10 0x00007fa7c7be942b in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#11 0x00007fa7ccfdd836 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#12 0x00007fa7c883e6ae in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#13 0x00007fa7c8842531 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#14 0x00007fa7c7c8aa8c in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#15 0x00007fa7c883d3ff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#16 0x00007fa7c883d688 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#17 0x00007fa7c8842848 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#18 0x00007fa7cd82537a in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#19 0x00007fa7cd41dc15 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
#20 0x0000000000400701 in _start ()