Application: KWin (kwin), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fbeda78d780 (LWP 1119))]

Thread 2 (Thread 0x7fbeb3fff700 (LWP 1130)):
#0  0x00007fbed4fe6954 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fbed6862287 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7fbed6b6f660 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007fbed68622b9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007fbed4fe2e0f in start_thread () from /lib64/libpthread.so.0
#4  0x00007fbed9fa7f0d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fbeda78d780 (LWP 1119)):
[KCrash Handler]
#6  brw_update_renderbuffer_surface (brw=0xe37f90, rb=0xe1c930, unit=0) at brw_wm_surface_state.c:1109
#7  0x00007fbeba50bcf0 in brw_update_renderbuffer_surfaces (brw=0xe37f90) at brw_wm_surface_state.c:1205
#8  0x00007fbeba4f5d62 in brw_upload_state (brw=brw@entry=0xe37f90) at brw_state_upload.c:498
#9  0x00007fbeba4e3657 in brw_try_draw_prims (max_index=23, min_index=128556904, ib=<optimized out>, nr_prims=<optimized out>, prim=0x7fff07a99f50, arrays=<optimized out>, ctx=0xe37f90) at brw_draw.c:493
#10 brw_draw_prims (ctx=0xe37f90, prim=0x7fff07a99f50, nr_prims=<optimized out>, ib=<optimized out>, index_bounds_valid=<optimized out>, min_index=0, max_index=23, tfb_vertcount=0x0) at brw_draw.c:589
#11 0x00007fbeba066a14 in vbo_draw_arrays (ctx=0xe37f90, mode=4, start=0, count=24, numInstances=1, baseInstance=<optimized out>) at ../../../src/mesa/vbo/vbo_exec_array.c:645
#12 0x00007fbed608a89d in KWin::GLVertexBufferPrivate::corePainting (this=0x1043a90, region=..., primitiveMode=4, hardwareClipping=false) at /usr/src/debug/kde-workspace-4.9.95/kwin/libkwineffects/kwinglutils.cpp:1254
#13 0x00007fbed608adbd in KWin::GLVertexBuffer::render (this=0x1041e20, region=..., primitiveMode=4, hardwareClipping=false) at /usr/src/debug/kde-workspace-4.9.95/kwin/libkwineffects/kwinglutils.cpp:1363
#14 0x00007fbeda33262f in renderQuads (hardwareClipping=false, normalized=<optimized out>, tex=<optimized out>, quads=..., region=..., this=<optimized out>) at /usr/src/debug/kde-workspace-4.9.95/kwin/scene_opengl.cpp:1226
#15 KWin::SceneOpenGL::Window::renderQuads (this=<optimized out>, region=..., quads=..., tex=<optimized out>, normalized=<optimized out>, hardwareClipping=false) at /usr/src/debug/kde-workspace-4.9.95/kwin/scene_opengl.cpp:1205
#16 0x00007fbeda3386a8 in KWin::SceneOpenGL::Window::performPaint (this=this@entry=0x18f22a0, mask=mask@entry=9, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/scene_opengl.cpp:967
#17 0x00007fbeda33136f in KWin::SceneOpenGL2::performPaintWindow (this=this@entry=0x1043c90, w=w@entry=0x12912e0, mask=mask@entry=9, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/scene_opengl.cpp:564
#18 0x00007fbeda33150d in KWin::SceneOpenGL2::finalDrawWindow (this=0x1043c90, w=w@entry=0x12912e0, mask=mask@entry=9, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/scene_opengl.cpp:549
#19 0x00007fbeda345145 in KWin::EffectsHandlerImpl::drawWindow (this=0x1196590, w=w@entry=0x12912e0, mask=mask@entry=9, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/effects.cpp:318
#20 0x00007fbeb874851d in KWin::BlurEffect::drawWindow (this=<optimized out>, w=0x12912e0, mask=9, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/effects/blur/blur.cpp:414
#21 0x00007fbeda3450db in KWin::EffectsHandlerImpl::drawWindow (this=0x1196590, w=w@entry=0x12912e0, mask=mask@entry=9, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/effects.cpp:315
#22 0x00007fbed8750bba in KWin::Effect::drawWindow (this=<optimized out>, w=0x12912e0, mask=9, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/libkwineffects/kwineffects.cpp:529
#23 0x00007fbeda3450db in KWin::EffectsHandlerImpl::drawWindow (this=0x1196590, w=w@entry=0x12912e0, mask=mask@entry=9, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/effects.cpp:315
#24 0x00007fbed8750bba in KWin::Effect::drawWindow (this=<optimized out>, w=0x12912e0, mask=9, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/libkwineffects/kwineffects.cpp:529
#25 0x00007fbeda3450db in KWin::EffectsHandlerImpl::drawWindow (this=0x1196590, w=w@entry=0x12912e0, mask=mask@entry=9, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/effects.cpp:315
#26 0x00007fbeda3247ba in KWin::Scene::finalPaintWindow (this=<optimized out>, w=0x12912e0, mask=9, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/scene.cpp:449
#27 0x00007fbeda3454d7 in KWin::EffectsHandlerImpl::paintWindow (this=0x1196590, w=w@entry=0x12912e0, mask=mask@entry=9, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/effects.cpp:281
#28 0x00007fbed8750cba in KWin::Effect::paintWindow (this=<optimized out>, w=0x12912e0, mask=9, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/libkwineffects/kwineffects.cpp:504
#29 0x00007fbeda34547b in KWin::EffectsHandlerImpl::paintWindow (this=0x1196590, w=w@entry=0x12912e0, mask=mask@entry=9, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/effects.cpp:278
#30 0x00007fbeb8701391 in KWin::DialogParentEffect::paintWindow (this=<optimized out>, w=0x12912e0, mask=9, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/effects/dialogparent/dialogparent.cpp:64
#31 0x00007fbeda34547b in KWin::EffectsHandlerImpl::paintWindow (this=0x1196590, w=w@entry=0x12912e0, mask=mask@entry=9, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/effects.cpp:278
#32 0x00007fbed875daad in KWin::AnimationEffect::paintWindow (this=<optimized out>, w=0x12912e0, mask=9, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/libkwineffects/kwinanimationeffect.cpp:496
#33 0x00007fbeda34547b in KWin::EffectsHandlerImpl::paintWindow (this=0x1196590, w=0x12912e0, mask=mask@entry=9, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/effects.cpp:278
#34 0x00007fbeda32737d in KWin::Scene::paintWindow (this=<optimized out>, w=0x18f22a0, mask=9, region=..., quads=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/scene.cpp:356
#35 0x00007fbeda3266af in KWin::Scene::paintSimpleScreen (this=this@entry=0x1043c90, orig_mask=orig_mask@entry=8, region=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/scene.cpp:342
#36 0x00007fbeda3246fe in KWin::Scene::finalPaintScreen (this=0x1043c90, mask=8, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/scene.cpp:186
#37 0x00007fbeda3456a0 in KWin::EffectsHandlerImpl::paintScreen (this=0x1196590, mask=mask@entry=8, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/effects.cpp:254
#38 0x00007fbed8750d27 in KWin::Effect::paintScreen (this=this@entry=0x19c1cd0, mask=mask@entry=8, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/libkwineffects/kwineffects.cpp:489
#39 0x00007fbeda34564b in KWin::EffectsHandlerImpl::paintScreen (this=0x1196590, mask=mask@entry=8, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/effects.cpp:251
#40 0x00007fbed8750d27 in KWin::Effect::paintScreen (this=this@entry=0x1309f60, mask=mask@entry=8, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/libkwineffects/kwineffects.cpp:489
#41 0x00007fbeda34564b in KWin::EffectsHandlerImpl::paintScreen (this=0x1196590, mask=mask@entry=8, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/effects.cpp:251
#42 0x00007fbed8750d27 in KWin::Effect::paintScreen (this=this@entry=0x12ad3f0, mask=mask@entry=8, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/libkwineffects/kwineffects.cpp:489
#43 0x00007fbeda34564b in KWin::EffectsHandlerImpl::paintScreen (this=0x1196590, mask=8, region=..., data=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/effects.cpp:251
#44 0x00007fbeda325a98 in KWin::Scene::paintScreen (this=0x1043c90, mask=0x7fff07a9b1b4, region=0x7fff07a9b260) at /usr/src/debug/kde-workspace-4.9.95/kwin/scene.cpp:140
#45 0x00007fbeda334e6e in KWin::SceneOpenGL::paint (this=0x1043c90, damage=..., toplevels=...) at /usr/src/debug/kde-workspace-4.9.95/kwin/scene_opengl.cpp:308
#46 0x00007fbeda31fe7c in KWin::Compositor::performCompositing (this=0xd730c0) at /usr/src/debug/kde-workspace-4.9.95/kwin/composite.cpp:605
#47 0x00007fbed53892dc in QObject::event (this=0xd730c0, e=<optimized out>) at kernel/qobject.cpp:1166
#48 0x00007fbed450376c in QApplicationPrivate::notify_helper (this=this@entry=0xc13d70, receiver=receiver@entry=0xd730c0, e=e@entry=0x7fff07a9ba40) at kernel/qapplication.cpp:4557
#49 0x00007fbed4507bea in QApplication::notify (this=0x7fff07a9c080, receiver=0xd730c0, e=0x7fff07a9ba40) at kernel/qapplication.cpp:4418
#50 0x00007fbed9a9faa6 in KApplication::notify (this=0x7fff07a9c080, receiver=0xd730c0, event=0x7fff07a9ba40) at /usr/src/debug/kdelibs-4.9.95/kdeui/kernel/kapplication.cpp:311
#51 0x00007fbed5374ace in QCoreApplication::notifyInternal (this=0x7fff07a9c080, receiver=0xd730c0, event=0x7fff07a9ba40) at kernel/qcoreapplication.cpp:915
#52 0x00007fbed53a5531 in sendEvent (event=0x7fff07a9ba40, receiver=<optimized out>) at kernel/qcoreapplication.h:231
#53 QTimerInfoList::activateTimers (this=0xc14768) at kernel/qeventdispatcher_unix.cpp:626
#54 0x00007fbed53a5b70 in QEventDispatcherUNIX::activateTimers (this=this@entry=0xbbfa70) at kernel/qeventdispatcher_unix.cpp:883
#55 0x00007fbed53a5cc8 in QEventDispatcherUNIX::processEvents (this=0xbbfa70, flags=...) at kernel/qeventdispatcher_unix.cpp:945
#56 0x00007fbed45a48cf in QEventDispatcherX11::processEvents (this=0xbbfa70, flags=...) at kernel/qeventdispatcher_x11.cpp:152
#57 0x00007fbed537381f in QEventLoop::processEvents (this=this@entry=0x7fff07a9bd90, flags=...) at kernel/qeventloop.cpp:149
#58 0x00007fbed5373aa8 in QEventLoop::exec (this=0x7fff07a9bd90, flags=...) at kernel/qeventloop.cpp:204
#59 0x00007fbed5378748 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#60 0x00007fbeda2d6b6a in kdemain (argc=3, argv=0x7fff07a9c1c8) at /usr/src/debug/kde-workspace-4.9.95/kwin/main.cpp:537
#61 0x00007fbed9ee0a15 in __libc_start_main () from /lib64/libc.so.6
#62 0x0000000000400761 in _start () at ../sysdeps/x86_64/start.S:123