(gdb) bt
#0  0x00007fcdf14d2009 in _mesa_x86_64_transform_points4_general ()
   from /usr/lib/dri/i915_dri.so
#1  0x00007fcdf13ec80f in ?? () from /usr/lib/dri/i915_dri.so
#2  0x00007fcdf13dec52 in _tnl_run_pipeline () from /usr/lib/dri/i915_dri.so
#3  0x00007fcdf13352f8 in ?? () from /usr/lib/dri/i915_dri.so
#4  0x00007fcdf13dfb1c in _tnl_draw_prims () from /usr/lib/dri/i915_dri.so
#5  0x00007fcdf13dfe26 in _tnl_vbo_draw_prims () from /usr/lib/dri/i915_dri.so
#6  0x00007fcdf13d81f5 in vbo_exec_vtx_flush () from /usr/lib/dri/i915_dri.so
#7  0x00007fcdf13d3d8c in vbo_exec_FlushVertices_internal ()
   from /usr/lib/dri/i915_dri.so
#8  0x00007fcdf13d3de2 in vbo_exec_FlushVertices ()
   from /usr/lib/dri/i915_dri.so
#9  0x00007fcdf137650c in _mesa_set_enable () from /usr/lib/dri/i915_dri.so
#10 0x0000000000c864f2 in Shaders::CARBShaderProgram::Disable() ()
#11 0x0000000000bddcec in CLinuxRendererGL::RenderSinglePass(int, int) ()
#12 0x0000000000be0091 in CLinuxRendererGL::RenderUpdate(bool, unsigned int, unsigned int) ()
#13 0x0000000000bdb354 in CXBMCRenderManager::PresentSingle() ()
#14 0x0000000000bdbbbb in CXBMCRenderManager::Present() ()
#15 0x0000000000783c3f in CApplication::RenderNoPresent() ()
#16 0x000000000076ad19 in CApplication::Render() ()
#17 0x00000000009ceb1d in CXBApplicationEx::Run() ()
#18 0x00000000009cf2a7 in main ()