Application: kwin (4.10.2)
KDE Platform Version: 4.10.2
Qt Version: 4.8.4
Operating System: Linux 3.8.11-200.fc18.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed:

Rebooting.  after all the programs are closed, and the desktop disappears, the crash window pops up.

The crash can be reproduced sometimes.

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fd906d66880 (LWP 1512))]

Thread 2 (Thread 0x7fd8e9eb4700 (LWP 1522)):
#0  0x00000033abc0b5e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000033cf5868c7 in QTWTF::TCMalloc_PageHeap::scavengerThread() () from /lib64/libQtScript.so.4
#2  0x00000033cf5868f9 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /lib64/libQtScript.so.4
#3  0x00000033abc07d15 in start_thread () from /lib64/libpthread.so.0
#4  0x00000033ab4f248d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fd906d66880 (LWP 1512)):
[KCrash Handler]
#5  0x00007fd8f979752e in nv30_vbo_validate () from /usr/lib64/dri/nouveau_dri.so
#6  0x00007fd8f9792a33 in nv30_state_validate () from /usr/lib64/dri/nouveau_dri.so
#7  0x00007fd8f9795998 in nv30_clear () from /usr/lib64/dri/nouveau_dri.so
#8  0x00007fd8f95e09ba in st_Clear () from /usr/lib64/dri/nouveau_dri.so
#9  0x0000003b2ecc4ef1 in KWin::SceneOpenGL::paintBackground(QRegion) () from /lib64/libkdeinit4_kwin.so
#10 0x0000003b2ecb714f in KWin::Scene::paintGenericScreen(int, KWin::ScreenPaintData) () from /lib64/libkdeinit4_kwin.so
#11 0x0000003b2ecc292a in KWin::SceneOpenGL2::paintGenericScreen(int, KWin::ScreenPaintData) () from /lib64/libkdeinit4_kwin.so
#12 0x0000003b2ecb5fb1 in KWin::Scene::finalPaintScreen(int, QRegion, KWin::ScreenPaintData&) () from /lib64/libkdeinit4_kwin.so
#13 0x0000003b2ecd70e0 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /lib64/libkdeinit4_kwin.so
#14 0x00007fd8e9f21bfe in KWin::LogoutEffect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /usr/lib64/kde4/kwin4_effect_builtins.so
#15 0x0000003b2ecd708b in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /lib64/libkdeinit4_kwin.so
#16 0x0000003b2f012887 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /lib64/libkwineffects.so.1
#17 0x0000003b2ecd708b in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /lib64/libkdeinit4_kwin.so
#18 0x0000003b2ecb7308 in KWin::Scene::paintScreen(int*, QRegion*) () from /lib64/libkdeinit4_kwin.so
#19 0x0000003b2ecc676e in KWin::SceneOpenGL::paint(QRegion, QList<KWin::Toplevel*>) () from /lib64/libkdeinit4_kwin.so
#20 0x0000003b2ecb16dc in KWin::Compositor::performCompositing() () from /lib64/libkdeinit4_kwin.so
#21 0x00000033b758c1fc in QObject::event(QEvent*) () from /lib64/libQtCore.so.4
#22 0x00000033ba5ca5cc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#23 0x00000033ba5cea4a in QApplication::notify(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#24 0x0000003b2a646f16 in KApplication::notify(QObject*, QEvent*) () from /lib64/libkdeui.so.5
#25 0x00000033b7577abe in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib64/libQtCore.so.4
#26 0x00000033b75a8972 in QTimerInfoList::activateTimers() () from /lib64/libQtCore.so.4
#27 0x00000033b75a8b28 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#28 0x00000033ba66b55f in QEventDispatcherX11::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtGui.so.4
#29 0x00000033b757680f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#30 0x00000033b7576a98 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#31 0x00000033ba635a9a in QSessionManager::allowsInteraction() () from /lib64/libQtGui.so.4
#32 0x0000003b2a64991e in KApplication::commitData(QSessionManager&) () from /lib64/libkdeui.so.5
#33 0x00000033ba642a7f in sm_performSaveYourself(QSessionManagerPrivate*) () from /lib64/libQtGui.so.4
#34 0x00000033b70044fb in _SmcProcessMessage () from /lib64/libSM.so.6
#35 0x00000033b6c10fa7 in IceProcessMessages () from /lib64/libICE.so.6
#36 0x00000033b758ceef in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /lib64/libQtCore.so.4
#37 0x00000033b75d7c8e in QSocketNotifier::activated(int) () from /lib64/libQtCore.so.4
#38 0x00000033b75948cb in QSocketNotifier::event(QEvent*) () from /lib64/libQtCore.so.4
#39 0x00000033ba5ca5cc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#40 0x00000033ba5cea4a in QApplication::notify(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#41 0x0000003b2a646f16 in KApplication::notify(QObject*, QEvent*) () from /lib64/libkdeui.so.5
#42 0x00000033b7577abe in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib64/libQtCore.so.4
#43 0x00000033b75a72df in QEventDispatcherUNIX::activateSocketNotifiers() () from /lib64/libQtCore.so.4
#44 0x00000033b75a80b4 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timeval*) () from /lib64/libQtCore.so.4
#45 0x00000033b75a8a82 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#46 0x00000033ba66b55f in QEventDispatcherX11::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtGui.so.4
#47 0x00000033b757680f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#48 0x00000033b7576a98 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#49 0x00000033b757b888 in QCoreApplication::exec() () from /lib64/libQtCore.so.4
#50 0x0000003b2ec6822a in kdemain () from /lib64/libkdeinit4_kwin.so
#51 0x00000033ab421a05 in __libc_start_main () from /lib64/libc.so.6
#52 0x0000000000400991 in _start ()

Possible duplicates by query: bug 318571, bug 317880, bug 317789, bug 317039, bug 314515.

Reported using DrKonqi