Application: kwin (4.9.90)
KDE Platform Version: 4.9.90
Qt Version: 4.8.4
Operating System: Linux 3.7.0-0.rc8.git0.1.fc19.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
I logged out of KDE and the system crashed. Sorry I don't have more information.

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fd341107880 (LWP 8900))]

Thread 2 (Thread 0x7fd323fff700 (LWP 8909)):
#0  0x0000003bbe00bb35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fd34e579917 in QTWTF::TCMalloc_PageHeap::scavengerThread() () from /lib64/libQtScript.so.4
#2  0x00007fd34e579949 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /lib64/libQtScript.so.4
#3  0x0000003bbe007ef5 in start_thread () from /lib64/libpthread.so.0
#4  0x0000003bbd8fa18d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fd341107880 (LWP 8900)):
[KCrash Handler]
#5  0x00007fd32ef68511 in nv30_vbo_validate () from /usr/lib64/dri/nouveau_dri.so
#6  0x00007fd32ef88b13 in nv30_state_validate () from /usr/lib64/dri/nouveau_dri.so
#7  0x00007fd32ef66958 in nv30_clear () from /usr/lib64/dri/nouveau_dri.so
#8  0x00007fd32f1a2b5e in st_Clear () from /usr/lib64/dri/nouveau_dri.so
#9  0x00007fd34fa63441 in KWin::SceneOpenGL::paintBackground(QRegion) () from /lib64/libkdeinit4_kwin.so
#10 0x00007fd34fa557af in KWin::Scene::paintGenericScreen(int, KWin::ScreenPaintData) () from /lib64/libkdeinit4_kwin.so
#11 0x00007fd34fa60e7a in KWin::SceneOpenGL2::paintGenericScreen(int, KWin::ScreenPaintData) () from /lib64/libkdeinit4_kwin.so
#12 0x00007fd34fa54611 in KWin::Scene::finalPaintScreen(int, QRegion, KWin::ScreenPaintData&) () from /lib64/libkdeinit4_kwin.so
#13 0x00007fd34fa75430 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /lib64/libkdeinit4_kwin.so
#14 0x00007fd32c5d12be in KWin::LogoutEffect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /usr/lib64/kde4/kwin4_effect_builtins.so
#15 0x00007fd34fa753db in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /lib64/libkdeinit4_kwin.so
#16 0x00007fd34dd907a7 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /lib64/libkwineffects.so.1
#17 0x00007fd34fa753db in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /lib64/libkdeinit4_kwin.so
#18 0x00007fd34fa55968 in KWin::Scene::paintScreen(int*, QRegion*) () from /lib64/libkdeinit4_kwin.so
#19 0x00007fd34fa64cbe in KWin::SceneOpenGL::paint(QRegion, QList<KWin::Toplevel*>) () from /lib64/libkdeinit4_kwin.so
#20 0x00007fd34fa4fdac in KWin::Compositor::performCompositing() () from /lib64/libkdeinit4_kwin.so
#21 0x00007fd34cc7afac in QObject::event(QEvent*) () from /lib64/libQtCore.so.4
#22 0x00007fd34c0163ec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#23 0x00007fd34c01a86a in QApplication::notify(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#24 0x00007fd34d958ac6 in KApplication::notify(QObject*, QEvent*) () from /lib64/libkdeui.so.5
#25 0x00007fd34cc6686e in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib64/libQtCore.so.4
#26 0x00007fd34cc97722 in QTimerInfoList::activateTimers() () from /lib64/libQtCore.so.4
#27 0x00007fd34cc978d8 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#28 0x00007fd34c0b737f in QEventDispatcherX11::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtGui.so.4
#29 0x00007fd34cc655bf in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#30 0x00007fd34cc65848 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#31 0x00007fd34cc6a638 in QCoreApplication::exec() () from /lib64/libQtCore.so.4
#32 0x00007fd34fa06bba in kdemain () from /lib64/libkdeinit4_kwin.so
#33 0x0000003bbd821dc5 in __libc_start_main () from /lib64/libc.so.6
#34 0x0000000000400991 in _start ()

Possible duplicates by query: bug 311036, bug 309701, bug 309280.

Reported using DrKonqi