Application: kwin (4.9.3) KDE Platform Version: 4.9.3 Qt Version: 4.8.4 Operating System: Linux 3.6.11-gentoo x86_64 -- Backtrace: Application: KWin (kwin), signal: Segmentation fault Using host libthread_db library "/lib64/libthread_db.so.1". [Current thread is 1 (Thread 0x7f971a4c5780 (LWP 8937))] Thread 3 (Thread 0x7f9705400700 (LWP 8938)): #0 0x00007f971547e96e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f9715711372 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/qt4/libQtCore.so.4 #2 0x00007f9715704a8f in ?? () from /usr/lib64/qt4/libQtCore.so.4 #3 0x00007f9715710496 in ?? () from /usr/lib64/qt4/libQtCore.so.4 #4 0x00007f9715479da6 in start_thread () from /lib64/libpthread.so.0 #5 0x00007f9719c7a99d in clone () from /lib64/libc.so.6 Thread 2 (Thread 0x7f96fc987700 (LWP 8941)): #0 0x00007f971547e5ec in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f9716aedec4 in ?? () from /usr/lib64/qt4/libQtScript.so.4 #2 0x00007f9716aedef9 in ?? () from /usr/lib64/qt4/libQtScript.so.4 #3 0x00007f9715479da6 in start_thread () from /lib64/libpthread.so.0 #4 0x00007f9719c7a99d in clone () from /lib64/libc.so.6 Thread 1 (Thread 0x7f971a4c5780 (LWP 8937)): [KCrash Handler] #6 0x00007f96fd730881 in i915_set_vertex_buffers (pipe=0x201fcf0, count=1, buffers=0x7fffc6d1e600) at i915_state.c:1000 #7 0x00007f96fd9cb7c2 in cso_set_vertex_buffers (ctx=0x20f5550, count=1, buffers=0x7fffc6d1e600) at cso_cache/cso_context.c:922 #8 0x00007f96fd98d7af in update_array (st=0x20de330) at ../../src/mesa/state_tracker/st_atom_array.c:577 #9 0x00007f96fd98ca9a in st_validate_state (st=0x20de330) at ../../src/mesa/state_tracker/st_atom.c:223 #10 0x00007f96fd997f0f in st_Clear (ctx=0x2079040, mask=2) at ../../src/mesa/state_tracker/st_cb_clear.c:457 #11 0x00007f96fd91c370 in _mesa_Clear (mask=16384) at ../../src/mesa/main/clear.c:233 #12 0x00007f971a02bc1e in KWin::SceneOpenGL::paintBackground (this=0x1ec0450, region=...) at /usr/src/debug/kde-base/kwin-4.9.3/kwin-4.9.3/kwin/scene_opengl.cpp:186 #13 0x00007f971a01b04e in KWin::Scene::paintGenericScreen (this=0x1ec0450, orig_mask=32) at /usr/src/debug/kde-base/kwin-4.9.3/kwin-4.9.3/kwin/scene.cpp:200 #14 0x00007f971a02bb9d in KWin::SceneOpenGL::paintGenericScreen (this=0x1ec0450, mask=32, data=...) at /usr/src/debug/kde-base/kwin-4.9.3/kwin-4.9.3/kwin/scene_opengl.cpp:173 #15 0x00007f971a01af59 in KWin::Scene::finalPaintScreen (this=0x1ec0450, mask=32, region=..., data=...) at /usr/src/debug/kde-base/kwin-4.9.3/kwin-4.9.3/kwin/scene.cpp:190 #16 0x00007f971a03f441 in KWin::EffectsHandlerImpl::paintScreen (this=0x22d37b0, mask=32, region=..., data=...) at /usr/src/debug/kde-base/kwin-4.9.3/kwin-4.9.3/kwin/effects.cpp:246 #17 0x00007f971839b2a2 in KWin::Effect::paintScreen (this=0x251ad60, mask=32, region=..., data=...) at /usr/src/debug/kde-base/kwin-4.9.3/kwin-4.9.3/kwin/libkwineffects/kwineffects.cpp:142 #18 0x00007f971a03f3f1 in KWin::EffectsHandlerImpl::paintScreen (this=0x22d37b0, mask=32, region=..., data=...) at /usr/src/debug/kde-base/kwin-4.9.3/kwin-4.9.3/kwin/effects.cpp:243 #19 0x00007f96fca368e2 in KWin::FlipSwitchEffect::paintScreen (this=0x247bed0, mask=32, region=..., data=...) at /usr/src/debug/kde-base/kwin-4.9.3/kwin-4.9.3/kwin/effects/flipswitch/flipswitch.cpp:148 #20 0x00007f971a03f3f1 in KWin::EffectsHandlerImpl::paintScreen (this=0x22d37b0, mask=32, region=..., data=...) at /usr/src/debug/kde-base/kwin-4.9.3/kwin-4.9.3/kwin/effects.cpp:243 #21 0x00007f971a01acc0 in KWin::Scene::paintScreen (this=0x1ec0450, mask=0x7fffc6d1fafc, region=0x7fffc6d1fc00) at /usr/src/debug/kde-base/kwin-4.9.3/kwin-4.9.3/kwin/scene.cpp:146 #22 0x00007f971a02a53b in KWin::SceneOpenGL::paint (this=0x1ec0450, damage=..., toplevels=...) at /usr/src/debug/kde-base/kwin-4.9.3/kwin-4.9.3/kwin/scene_opengl_glx.cpp:499 #23 0x00007f971a0130c7 in KWin::Workspace::performCompositing (this=0x1e38540) at /usr/src/debug/kde-base/kwin-4.9.3/kwin-4.9.3/kwin/composite.cpp:443 #24 0x00007f971a012caa in KWin::Workspace::timerEvent (this=0x1e38540, te=0x7fffc6d20390) at /usr/src/debug/kde-base/kwin-4.9.3/kwin-4.9.3/kwin/composite.cpp:394 #25 0x00007f9715827fd9 in QObject::event(QEvent*) () from /usr/lib64/qt4/libQtCore.so.4 #26 0x00007f971498e2e4 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4 #27 0x00007f9714992dbf in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4 #28 0x00007f9719753066 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5 #29 0x00007f9719fb830c in KWin::Application::notify (this=0x7fffc6d20770, o=0x1e38540, e=0x7fffc6d20390) at /usr/src/debug/kde-base/kwin-4.9.3/kwin-4.9.3/kwin/main.cpp:371 #30 0x00007f971581362b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/qt4/libQtCore.so.4 #31 0x00007f97158452be in ?? () from /usr/lib64/qt4/libQtCore.so.4 #32 0x00007f9715845400 in QEventDispatcherUNIX::processEvents(QFlags) () from /usr/lib64/qt4/libQtCore.so.4 #33 0x00007f9714a347bb in ?? () from /usr/lib64/qt4/libQtGui.so.4 #34 0x00007f9715812392 in QEventLoop::processEvents(QFlags) () from /usr/lib64/qt4/libQtCore.so.4 #35 0x00007f9715812645 in QEventLoop::exec(QFlags) () from /usr/lib64/qt4/libQtCore.so.4 #36 0x00007f971581709b in QCoreApplication::exec() () from /usr/lib64/qt4/libQtCore.so.4 #37 0x00007f9719fb9442 in kdemain (argc=1, argv=0x7fffc6d20da8) at /usr/src/debug/kde-base/kwin-4.9.3/kwin-4.9.3/kwin/main.cpp:545 #38 0x0000000000400886 in main (argc=1, argv=0x7fffc6d20da8) at /usr/src/debug/kde-base/kwin-4.9.3/kwin-4.9.3_build/kwin/kwin_dummy.cpp:3