Application: KWin (kwin), signal: Segmentation fault
[KCrash Handler]
#6  brw_update_renderbuffer_surface (brw=0x83f14f8, rb=0x826eac0, unit=0) at brw_wm_surface_state.c:959
#7  0xacb89343 in brw_update_renderbuffer_surfaces (brw=0x83f14f8) at brw_wm_surface_state.c:1052
#8  0xacb7347f in brw_upload_state (brw=0x83f14f8) at brw_state_upload.c:503
#9  0xacb5e807 in brw_try_draw_prims (max_index=77, min_index=0, ib=0x0, nr_prims=1, prim=0xbf944f28, arrays=0x8436d58, ctx=0x83f14f8) at brw_draw.c:482
#10 brw_draw_prims (ctx=0x83f14f8, arrays=0x8436d58, prim=0xbf944f28, nr_prims=1, ib=0x0, index_bounds_valid=1 '\001', min_index=0, max_index=77, tfb_vertcount=0x0) at brw_draw.c:566
#11 0xac89e7fe in vbo_draw_arrays (ctx=0x83f14f8, mode=4, start=0, count=78, numInstances=1) at vbo/vbo_exec_array.c:600
#12 0xb648b43d in KWin::GLVertexBufferPrivate::corePainting (this=0x821b5a8, region=..., primitiveMode=4, hardwareClipping=false) at /usr/src/debug/kde-workspace-4.8.90_20120617/kwin/libkwineffects/kwinglutils.cpp:1216
#13 0xb648b705 in KWin::GLVertexBuffer::render (this=0x8253d08, region=..., primitiveMode=4, hardwareClipping=false) at /usr/src/debug/kde-workspace-4.8.90_20120617/kwin/libkwineffects/kwinglutils.cpp:1339
#14 0xb7660bd8 in renderQuads (hardwareClipping=false, normalized=false, tex=0x8699a78, quads=..., region=..., this=<optimized out>) at /usr/src/debug/kde-workspace-4.8.90_20120617/kwin/scene_opengl.cpp:795
#15 KWin::SceneOpenGL::Window::renderQuads (this=0x8699a58, region=..., quads=..., tex=0x8699a78, normalized=false, hardwareClipping=false) at /usr/src/debug/kde-workspace-4.8.90_20120617/kwin/scene_opengl.cpp:774
#16 0xb7667d84 in KWin::SceneOpenGL::Window::performPaint (this=0x8699a58, mask=1, region=..., data=...) at /usr/src/debug/kde-workspace-4.8.90_20120617/kwin/scene_opengl.cpp:593
#17 0xb764e8e7 in KWin::Scene::finalDrawWindow (this=0x824eae0, w=0x86d6060, mask=1, region=..., data=...) at /usr/src/debug/kde-workspace-4.8.90_20120617/kwin/scene.cpp:441
#18 0xb7674100 in KWin::EffectsHandlerImpl::drawWindow (this=0x866d020, w=0x86d6060, mask=1, region=..., data=...) at /usr/src/debug/kde-workspace-4.8.90_20120617/kwin/effects.cpp:305
#19 0xb764dd02 in KWin::Scene::finalPaintWindow (this=0x824eae0, w=0x86d6060, mask=1, region=..., data=...) at /usr/src/debug/kde-workspace-4.8.90_20120617/kwin/scene.cpp:432
#20 0xb7674370 in KWin::EffectsHandlerImpl::paintWindow (this=0x866d020, w=0x86d6060, mask=1, region=..., data=...) at /usr/src/debug/kde-workspace-4.8.90_20120617/kwin/effects.cpp:268
#21 0xb76511d3 in KWin::Scene::paintWindow (this=0x824eae0, w=0x8699a58, mask=1, region=..., quads=...) at /usr/src/debug/kde-workspace-4.8.90_20120617/kwin/scene.cpp:349
#22 0xb764f0f4 in KWin::Scene::paintSimpleScreen (this=0x824eae0, orig_mask=0, region=...) at /usr/src/debug/kde-workspace-4.8.90_20120617/kwin/scene.cpp:335
#23 0xb764dc1a in KWin::Scene::finalPaintScreen (this=0x824eae0, mask=0, region=..., data=...) at /usr/src/debug/kde-workspace-4.8.90_20120617/kwin/scene.cpp:193
#24 0xb7674510 in KWin::EffectsHandlerImpl::paintScreen (this=0x866d020, mask=0, region=..., data=...) at /usr/src/debug/kde-workspace-4.8.90_20120617/kwin/effects.cpp:241
#25 0xb764f953 in KWin::Scene::paintScreen (this=0x824eae0, mask=0xbf945ae8, region=0xbf945b6c) at /usr/src/debug/kde-workspace-4.8.90_20120617/kwin/scene.cpp:147
#26 0xb7669186 in KWin::SceneOpenGL::paint (this=0x824eae0, damage=..., toplevels=...) at /usr/src/debug/kde-workspace-4.8.90_20120617/kwin/scene_opengl_glx.cpp:488
#27 0xb7647e43 in performCompositing (this=0x81c5c18) at /usr/src/debug/kde-workspace-4.8.90_20120617/kwin/composite.cpp:433
#28 KWin::Workspace::performCompositing (this=0x81c5c18) at /usr/src/debug/kde-workspace-4.8.90_20120617/kwin/composite.cpp:397
#29 0xb764887d in KWin::Workspace::slotCompositingOptionsInitialized (this=0x81c5c18) at /usr/src/debug/kde-workspace-4.8.90_20120617/kwin/composite.cpp:199
#30 0xb75ceafd in qt_static_metacall (_a=0xbf945e10, _id=112, _o=0x81c5c18, _c=<optimized out>) at /usr/src/debug/kde-workspace-4.8.90_20120617/build/kwin/workspace.moc:382
#31 KWin::Workspace::qt_static_metacall (_o=0x81c5c18, _c=QMetaObject::InvokeMetaMethod, _id=112, _a=0xbf945e10) at /usr/src/debug/kde-workspace-4.8.90_20120617/build/kwin/workspace.moc:264
#32 0xb5f7769f in QMetaObject::activate (sender=0x826a958, m=0xb60be820, local_signal_index=1, argv=0x0) at kernel/qobject.cpp:3556
#33 0xb5fc7495 in QFutureWatcherBase::finished (this=0x826a958) at .moc/release-shared/moc_qfuturewatcher.cpp:141
#34 0xb5e3b16c in QFutureWatcherBasePrivate::sendCallOutEvent (this=0x824e2e8, event=0xaec01078) at concurrent/qfuturewatcher.cpp:439
#35 0xb5e3b472 in QFutureWatcherBase::event (this=0x826a958, event=0xaec01078) at concurrent/qfuturewatcher.cpp:344
#36 0xb542b404 in notify_helper (e=0xaec01078, receiver=0x826a958, this=0x80b0850) at kernel/qapplication.cpp:4551
#37 QApplicationPrivate::notify_helper (this=0x80b0850, receiver=0x826a958, e=0xaec01078) at kernel/qapplication.cpp:4523
#38 0xb5430743 in QApplication::notify (this=0xaec01078, receiver=0x826a958, e=0xaec01078) at kernel/qapplication.cpp:4280
#39 0xb71d3491 in KApplication::notify (this=0xbf9465a4, receiver=0x826a958, event=0xaec01078) at /usr/src/debug/kdelibs-4.8.90_20120617/kdeui/kernel/kapplication.cpp:311
#40 0xb75ef52f in notify (e=0xaec01078, o=0x826a958, this=0xbf9465a4) at /usr/src/debug/kde-workspace-4.8.90_20120617/kwin/main.cpp:371
#41 KWin::Application::notify (this=0xbf9465a4, o=0x826a958, e=0xaec01078) at /usr/src/debug/kde-workspace-4.8.90_20120617/kwin/main.cpp:367
#42 0xb5f60dce in QCoreApplication::notifyInternal (this=0xbf9465a4, receiver=0x826a958, event=0xaec01078) at kernel/qcoreapplication.cpp:915
#43 0xb5f64a48 in sendEvent (event=<optimized out>, receiver=<optimized out>) at kernel/qcoreapplication.h:231
#44 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x804e350) at kernel/qcoreapplication.cpp:1539
#45 0xb5f64d7c in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1432
#46 0xb54e02ad in sendPostedEvents () at ../../src/corelib/kernel/qcoreapplication.h:236
#47 QEventDispatcherX11::processEvents (this=0x80b0518, flags=...) at kernel/qeventdispatcher_x11.cpp:75
#48 0xb5f5f64d in QEventLoop::processEvents (this=0xbf946504, flags=...) at kernel/qeventloop.cpp:149
#49 0xb5f5f8e9 in QEventLoop::exec (this=0xbf946504, flags=...) at kernel/qeventloop.cpp:204
#50 0xb5f64e2a in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#51 0xb54292a4 in QApplication::exec () at kernel/qapplication.cpp:3812
#52 0xb75f23e6 in kdemain (argc=3, argv=0xbf946844) at /usr/src/debug/kde-workspace-4.8.90_20120617/kwin/main.cpp:545
#53 0x0804852b in main (argc=3, argv=0xbf946844) at /usr/src/debug/kde-workspace-4.8.90_20120617/build/kwin/kwin_dummy.cpp:3