Application: kwin (4.11.9)
KDE Platform Version: 4.13.1 (Compiled from sources)
Qt Version: 4.8.5
Operating System: Linux 3.15.0 i686
Distribution (Platform): Gentoo Packages

-- Information about the crash:
I took a  bath. When I came back I saw the crash handler.

Thunderird, Firefox and KOnversation were just running.

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
Using host libthread_db library "/lib/libthread_db.so.1".
[KCrash Handler]
#7  intel_miptree_used_for_rendering (mt=<optimized out>) at intel_mipmap_tree.h:696
#8  brw_update_renderbuffer_surface (brw=0xafd9301c, rb=0x982e418, layered=false, unit=0) at brw_wm_surface_state.c:620
#9  0xaefe6e35 in brw_update_renderbuffer_surfaces (brw=0xafd9301c) at brw_wm_surface_state.c:702
#10 0xaefa911d in brw_upload_state (brw=brw@entry=0xafd9301c) at brw_state_upload.c:645
#11 0xaef4acef in brw_try_draw_prims (max_index=4294967040, min_index=4294967295, ib=0xbfe87ed4, nr_prims=1, prims=0xbfe87ee4, arrays=0x98a3204, ctx=0xafd9301c, indirect=<optimized out>) at brw_draw.c:487
#12 brw_draw_prims (ctx=0xafd9301c, prims=0xbfe87ee4, nr_prims=1, ib=0xbfe87ed4, index_bounds_valid=0 '\000', min_index=4294967295, max_index=4294967295, unused_tfb_object=0x0, indirect=0x0) at brw_draw.c:581
#13 0xaed7d79d in vbo_handle_primitive_restart (ctx=ctx@entry=0xafd9301c, prim=prim@entry=0xbfe87ee4, nr_prims=nr_prims@entry=1, ib=ib@entry=0xbfe87ed4, index_bounds_valid=index_bounds_valid@entry=0 '\000', min_index=min_index@entry=4294967295, max_index=max_index@entry=4294967295) at vbo/vbo_exec_array.c:585
#14 0xaed7f01a in vbo_validated_drawrangeelements (ctx=ctx@entry=0xafd9301c, mode=mode@entry=4, index_bounds_valid=index_bounds_valid@entry=0 '\000', start=start@entry=4294967295, end=end@entry=4294967295, count=count@entry=6, type=type@entry=5123, indices=indices@entry=0x0, basevertex=basevertex@entry=0, numInstances=numInstances@entry=1, baseInstance=baseInstance@entry=0) at vbo/vbo_exec_array.c:1006
#15 0xaed7f315 in vbo_exec_DrawElementsBaseVertex (mode=4, count=6, type=5123, indices=0x0, basevertex=0) at vbo/vbo_exec_array.c:1179
#16 0xb639a186 in KWin::GLVertexBuffer::draw (this=this@entry=0x9894da8, region=..., primitiveMode=primitiveMode@entry=7, first=0, count=6, hardwareClipping=false) at /var/tmp/portage/kde-base/kwin-4.11.9/work/kwin-4.11.9/kwin/libkwineffects/kwinglutils.cpp:1936
#17 0xb764ba91 in KWin::SceneOpenGL2Window::performPaint (this=0x9818b10, mask=9, region=..., data=...) at /var/tmp/portage/kde-base/kwin-4.11.9/work/kwin-4.11.9/kwin/scene_opengl.cpp:1574
#18 0xb764f5ed in KWin::SceneOpenGL2::performPaintWindow (this=this@entry=0x99aad80, w=w@entry=0x97eb800, mask=mask@entry=9, region=..., data=...) at /var/tmp/portage/kde-base/kwin-4.11.9/work/kwin-4.11.9/kwin/scene_opengl.cpp:784
#19 0xb764f7cf in KWin::SceneOpenGL2::finalDrawWindow (this=0x99aad80, w=w@entry=0x97eb800, mask=mask@entry=9, region=..., data=...) at /var/tmp/portage/kde-base/kwin-4.11.9/work/kwin-4.11.9/kwin/scene_opengl.cpp:770
#20 0xb765c160 in KWin::EffectsHandlerImpl::drawWindow (this=0x9b2dd20, w=w@entry=0x97eb800, mask=mask@entry=9, region=..., data=...) at /var/tmp/portage/kde-base/kwin-4.11.9/work/kwin-4.11.9/kwin/effects.cpp:455
#21 0xb7634a92 in KWin::Scene::finalPaintWindow (this=0x99aad80, w=w@entry=0x97eb800, mask=mask@entry=9, region=..., data=...) at /var/tmp/portage/kde-base/kwin-4.11.9/work/kwin-4.11.9/kwin/scene.cpp:584
#22 0xb765bfbb in KWin::EffectsHandlerImpl::paintWindow (this=0x9b2dd20, w=0x97eb800, mask=9, region=..., data=...) at /var/tmp/portage/kde-base/kwin-4.11.9/work/kwin-4.11.9/kwin/effects.cpp:418
#23 0xb763987f in KWin::Scene::paintWindow (this=this@entry=0x99aad80, w=0x9818b10, mask=9, region=..., quads=...) at /var/tmp/portage/kde-base/kwin-4.11.9/work/kwin-4.11.9/kwin/scene.cpp:416
#24 0xb7637bf7 in KWin::Scene::paintSimpleScreen (this=this@entry=0x99aad80, orig_mask=orig_mask@entry=8, region=...) at /var/tmp/portage/kde-base/kwin-4.11.9/work/kwin-4.11.9/kwin/scene.cpp:378
#25 0xb76348b3 in KWin::Scene::finalPaintScreen (this=0x99aad80, mask=mask@entry=8, region=..., data=...) at /var/tmp/portage/kde-base/kwin-4.11.9/work/kwin-4.11.9/kwin/scene.cpp:198
#26 0xb765bd73 in KWin::EffectsHandlerImpl::paintScreen (this=0x9b2dd20, mask=8, region=..., data=...) at /var/tmp/portage/kde-base/kwin-4.11.9/work/kwin-4.11.9/kwin/effects.cpp:375
#27 0xb7636d51 in KWin::Scene::paintScreen (this=this@entry=0x99aad80, mask=mask@entry=0xbfe8878c, damage=..., repaint=..., updateRegion=updateRegion@entry=0xbfe8877c, validRegion=validRegion@entry=0xbfe88780) at /var/tmp/portage/kde-base/kwin-4.11.9/work/kwin-4.11.9/kwin/scene.cpp:148
#28 0xb7652aa3 in KWin::SceneOpenGL::paint (this=0x99aad80, damage=..., toplevels=...) at /var/tmp/portage/kde-base/kwin-4.11.9/work/kwin-4.11.9/kwin/scene_opengl.cpp:389
#29 0xb762d870 in KWin::Compositor::performCompositing (this=this@entry=0x974b358) at /var/tmp/portage/kde-base/kwin-4.11.9/work/kwin-4.11.9/kwin/composite.cpp:618
#30 0xb762f0cb in KWin::Compositor::slotCompositingOptionsInitialized (this=this@entry=0x974b358) at /var/tmp/portage/kde-base/kwin-4.11.9/work/kwin-4.11.9/kwin/composite.cpp:273
#31 0xb75a43e8 in qt_static_metacall (_a=0xbfe88a8c, _id=16, _o=0x974b358, _c=<optimized out>) at /var/tmp/portage/kde-base/kwin-4.11.9/work/kwin-4.11.9_build/kwin/moc_composite.cpp:193
#32 KWin::Compositor::qt_static_metacall (_o=_o@entry=0x974b358, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=16, _a=_a@entry=0xbfe88a8c) at /var/tmp/portage/kde-base/kwin-4.11.9/work/kwin-4.11.9_build/kwin/moc_composite.cpp:171
#33 0xb5e6d969 in QMetaObject::activate (sender=sender@entry=0x97edd50, m=m@entry=0xb5fc0800 <QFutureWatcherBase::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x0) at kernel/qobject.cpp:3547
#34 0xb5ebc065 in QFutureWatcherBase::finished (this=this@entry=0x97edd50) at .moc/release-shared/moc_qfuturewatcher.cpp:140
#35 0xb5d31f8c in QFutureWatcherBasePrivate::sendCallOutEvent (this=this@entry=0x976a510, event=event@entry=0xafc00c68) at concurrent/qfuturewatcher.cpp:439
#36 0xb5d32292 in QFutureWatcherBase::event (this=0x97edd50, event=0xafc00c68) at concurrent/qfuturewatcher.cpp:344
#37 0xb5359d8c in QApplicationPrivate::notify_helper (this=0x965f188, receiver=0x97edd50, e=0xafc00c68) at kernel/qapplication.cpp:4562
#38 0xb535cc4c in QApplication::notify (this=0xafc00c68, receiver=0x97edd50, e=0xafc00c68) at kernel/qapplication.cpp:3959
#39 0xb6affee1 in KApplication::notify (this=this@entry=0xbfe89358, receiver=receiver@entry=0x97edd50, event=event@entry=0xafc00c68) at /var/tmp/portage/kde-base/kdelibs-4.13.1-r1/work/kdelibs-4.13.1/kdeui/kernel/kapplication.cpp:311
#40 0xb75db10f in notify (e=0xafc00c68, o=0x97edd50, this=0xbfe89358) at /var/tmp/portage/kde-base/kwin-4.11.9/work/kwin-4.11.9/kwin/main.cpp:431
#41 KWin::Application::notify (this=0xbfe89358, o=0x97edd50, e=0xafc00c68) at /var/tmp/portage/kde-base/kwin-4.11.9/work/kwin-4.11.9/kwin/main.cpp:427
#42 0xb5e5630e in QCoreApplication::notifyInternal (this=0xbfe89358, receiver=receiver@entry=0x97edd50, event=event@entry=0xafc00c68) at kernel/qcoreapplication.cpp:949
#43 0xb5e59c61 in sendEvent (event=0xafc00c68, receiver=0x97edd50) at kernel/qcoreapplication.h:231
#44 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x961c370) at kernel/qcoreapplication.cpp:1573
#45 0xb5e5a0ec in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1466
#46 0xb540b92a in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#47 QEventDispatcherX11::processEvents (this=0x961cef8, flags=...) at kernel/qeventdispatcher_x11.cpp:75
#48 0xb5e54d3c in QEventLoop::processEvents (this=this@entry=0xbfe891d8, flags=...) at kernel/qeventloop.cpp:149
#49 0xb5e55029 in QEventLoop::exec (this=this@entry=0xbfe891d8, flags=...) at kernel/qeventloop.cpp:204
#50 0xb5e5aafa in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1221
#51 0xb5358464 in QApplication::exec () at kernel/qapplication.cpp:3823
#52 0xb75da995 in kdemain (argc=3, argv=0xbfe89444) at /var/tmp/portage/kde-base/kwin-4.11.9/work/kwin-4.11.9/kwin/main.cpp:597
#53 0x0804866b in main (argc=3, argv=0xbfe89444) at /var/tmp/portage/kde-base/kwin-4.11.9/work/kwin-4.11.9_build/kwin/kwin_dummy.cpp:3

Possible duplicates by query: bug 331753, bug 331265, bug 324598.

Reported using DrKonqi