Application: KWin (kwin), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7fb3777a0780 (LWP 16796))] Thread 2 (Thread 0x7fb36d112700 (LWP 16804)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162 #1 0x00007fb38936ee77 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4 #2 0x00007fb38936eea9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4 #3 0x00007fb3876c7b50 in start_thread (arg=) at pthread_create.c:304 #4 0x00007fb3856fba7d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #5 0x0000000000000000 in ?? () Thread 1 (Thread 0x7fb3777a0780 (LWP 16796)): [KCrash Handler] #6 brw_update_renderbuffer_surface (brw=0x7fb36e6e6040, rb=0x7fb36806bcb0, unit=0) at brw_wm_surface_state.c:954 #7 0x00007fb36e783750 in brw_update_renderbuffer_surfaces (brw=0x7fb36e6e6040) at brw_wm_surface_state.c:1047 #8 0x00007fb36e76da90 in brw_upload_state (brw=brw@entry=0x7fb36e6e6040) at brw_state_upload.c:503 #9 0x00007fb36e75b527 in brw_try_draw_prims (max_index=, min_index=, ib=0x0, nr_prims=1, prim=0x7fff9ab7be90, arrays=0x7fb3680f3e08, ctx=0x7fb36e6e6040) at brw_draw.c:482 #10 brw_draw_prims (ctx=0x7fb36e6e6040, arrays=0x7fb3680f3e08, prim=0x7fff9ab7be90, nr_prims=1, ib=0x0, index_bounds_valid=, min_index=0, max_index=5, tfb_vertcount=0x0) at brw_draw.c:566 #11 0x00007fb36e87a403 in vbo_draw_arrays (ctx=0x7fb36e6e6040, mode=4, start=0, count=6, numInstances=1) at vbo/vbo_exec_array.c:600 #12 0x00007fb388dc228e in KWin::GLVertexBufferPrivate::corePainting (this=0x7fb36826a390, region=..., primitiveMode=4, hardwareClipping=false) at /home/r/src/kde/kde-stable/kde-sc/kde-workspace/kwin/libkwineffects/kwinglutils.cpp:1218 #13 0x00007fb388dc27ad in KWin::GLVertexBuffer::render (this=0x7fb368268910, region=..., primitiveMode=4, hardwareClipping=false) at /home/r/src/kde/kde-stable/kde-sc/kde-workspace/kwin/libkwineffects/kwinglutils.cpp:1341 #14 0x00007fb38c20354f in renderQuads (hardwareClipping=false, normalized=, tex=, quads=..., region=..., this=) at /home/r/src/kde/kde-stable/kde-sc/kde-workspace/kwin/scene_opengl.cpp:795 #15 KWin::SceneOpenGL::Window::renderQuads (this=, region=..., quads=..., tex=, normalized=, hardwareClipping=false) at /home/r/src/kde/kde-stable/kde-sc/kde-workspace/kwin/scene_opengl.cpp:774 #16 0x00007fb38c2099ab in KWin::SceneOpenGL::Window::performPaint (this=0x1776000, mask=1, region=..., data=...) at /home/r/src/kde/kde-stable/kde-sc/kde-workspace/kwin/scene_opengl.cpp:593 #17 0x00007fb38c1f5586 in KWin::Scene::finalDrawWindow (this=, w=0x171e1a0, mask=1, region=..., data=...) at /home/r/src/kde/kde-stable/kde-sc/kde-workspace/kwin/scene.cpp:454 #18 0x00007fb38c213bfa in KWin::EffectsHandlerImpl::drawWindow (this=0x7fb368417e60, w=w@entry=0x171e1a0, mask=mask@entry=1, region=..., data=...) at /home/r/src/kde/kde-stable/kde-sc/kde-workspace/kwin/effects.cpp:310 #19 0x00007fb388b981aa in KWin::Effect::drawWindow (this=, w=0x171e1a0, mask=1, region=..., data=...) at /home/r/src/kde/kde-stable/kde-sc/kde-workspace/kwin/libkwineffects/kwineffects.cpp:182 #20 0x00007fb38c213b9b in KWin::EffectsHandlerImpl::drawWindow (this=0x7fb368417e60, w=w@entry=0x171e1a0, mask=mask@entry=1, region=..., data=...) at /home/r/src/kde/kde-stable/kde-sc/kde-workspace/kwin/effects.cpp:307 #21 0x00007fb38c1f49fa in KWin::Scene::finalPaintWindow (this=, w=0x171e1a0, mask=1, region=..., data=...) at /home/r/src/kde/kde-stable/kde-sc/kde-workspace/kwin/scene.cpp:439 #22 0x00007fb38c213e7a in KWin::EffectsHandlerImpl::paintWindow (this=0x7fb368417e60, w=w@entry=0x171e1a0, mask=mask@entry=1, region=..., data=...) at /home/r/src/kde/kde-stable/kde-sc/kde-workspace/kwin/effects.cpp:273 #23 0x00007fb388ba431d in KWin::AnimationEffect::paintWindow (this=0x1571a20, w=0x171e1a0, mask=1, region=..., data=...) at /home/r/src/kde/kde-stable/kde-sc/kde-workspace/kwin/libkwineffects/kwinanimationeffect.cpp:495 #24 0x00007fb38c213e1b in KWin::EffectsHandlerImpl::paintWindow (this=0x7fb368417e60, w=0x171e1a0, mask=mask@entry=1, region=..., data=...) at /home/r/src/kde/kde-stable/kde-sc/kde-workspace/kwin/effects.cpp:270 #25 0x00007fb38c1f77cd in KWin::Scene::paintWindow (this=, w=0x1776000, mask=1, region=..., quads=...) at /home/r/src/kde/kde-stable/kde-sc/kde-workspace/kwin/scene.cpp:348 #26 0x00007fb38c1f6b2f in KWin::Scene::paintSimpleScreen (this=this@entry=0x7fb368071a00, orig_mask=orig_mask@entry=0, region=...) at /home/r/src/kde/kde-stable/kde-sc/kde-workspace/kwin/scene.cpp:334 #27 0x00007fb38c1f4942 in KWin::Scene::finalPaintScreen (this=0x7fb368071a00, mask=0, region=..., data=...) at /home/r/src/kde/kde-stable/kde-sc/kde-workspace/kwin/scene.cpp:192 #28 0x00007fb38c214043 in KWin::EffectsHandlerImpl::paintScreen (this=0x7fb368417e60, mask=mask@entry=0, region=..., data=...) at /home/r/src/kde/kde-stable/kde-sc/kde-workspace/kwin/effects.cpp:246 #29 0x00007fb388b98317 in KWin::Effect::paintScreen (this=this@entry=0x1571a20, mask=mask@entry=0, region=..., data=...) at /home/r/src/kde/kde-stable/kde-sc/kde-workspace/kwin/libkwineffects/kwineffects.cpp:142 #30 0x00007fb38c213feb in KWin::EffectsHandlerImpl::paintScreen (this=0x7fb368417e60, mask=0, region=..., data=...) at /home/r/src/kde/kde-stable/kde-sc/kde-workspace/kwin/effects.cpp:243 #31 0x00007fb38c1f5f8b in KWin::Scene::paintScreen (this=0x7fb368071a00, mask=0x7fff9ab7cebc, region=0x7fff9ab7cf60) at /home/r/src/kde/kde-stable/kde-sc/kde-workspace/kwin/scene.cpp:146 #32 0x00007fb38c20abad in KWin::SceneOpenGL::paint (this=0x7fb368071a00, damage=..., toplevels=...) at /home/r/src/kde/kde-stable/kde-sc/kde-workspace/kwin/scene_opengl_glx.cpp:499 #33 0x00007fb38c1efc98 in KWin::Workspace::performCompositing (this=0x13e92f0) at /home/r/src/kde/kde-stable/kde-sc/kde-workspace/kwin/composite.cpp:443 #34 0x00007fb387a6e85c in QObject::event (this=0x13e92f0, e=) at kernel/qobject.cpp:1157 #35 0x00007fb386be770c in QApplicationPrivate::notify_helper (this=this@entry=0x12cf5a0, receiver=receiver@entry=0x13e92f0, e=e@entry=0x7fff9ab7d640) at kernel/qapplication.cpp:4556 #36 0x00007fb386bebb8a in QApplication::notify (this=0x7fff9ab7dc80, receiver=0x13e92f0, e=0x7fff9ab7d640) at kernel/qapplication.cpp:4417 #37 0x00007fb388761da6 in KApplication::notify (this=0x7fff9ab7dc80, receiver=0x13e92f0, event=0x7fff9ab7d640) at /home/r/src/kde/kde-stable/kde-sc/kdelibs/kdeui/kernel/kapplication.cpp:311 #38 0x00007fb387a59b5e in QCoreApplication::notifyInternal (this=0x7fff9ab7dc80, receiver=0x13e92f0, event=0x7fff9ab7d640) at kernel/qcoreapplication.cpp:915 #39 0x00007fb387a8aa52 in sendEvent (event=0x7fff9ab7d640, receiver=) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231 #40 QTimerInfoList::activateTimers (this=0x12cff98) at kernel/qeventdispatcher_unix.cpp:611 #41 0x00007fb387a8aab0 in QEventDispatcherUNIX::activateTimers (this=this@entry=0x1279740) at kernel/qeventdispatcher_unix.cpp:868 #42 0x00007fb387a8ac08 in QEventDispatcherUNIX::processEvents (this=0x1279740, flags=...) at kernel/qeventdispatcher_unix.cpp:930 #43 0x00007fb386c895df in QEventDispatcherX11::processEvents (this=0x1279740, flags=...) at kernel/qeventdispatcher_x11.cpp:152 #44 0x00007fb387a588af in QEventLoop::processEvents (this=this@entry=0x7fff9ab7d990, flags=...) at kernel/qeventloop.cpp:149 #45 0x00007fb387a58b38 in QEventLoop::exec (this=0x7fff9ab7d990, flags=...) at kernel/qeventloop.cpp:204 #46 0x00007fb387a5dcf8 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187 #47 0x00007fb38c1a98b4 in kdemain (argc=3, argv=0x7fff9ab7ddc8) at /home/r/src/kde/kde-stable/kde-sc/kde-workspace/kwin/main.cpp:545 #48 0x00007fb38563fead in __libc_start_main (main=, argc=, ubp_av=, init=, fini=, rtld_fini=, stack_end=0x7fff9ab7ddb8) at libc-start.c:228 #49 0x0000000000400971 in _start ()