intel_region_buffer () from /usr/lib/dri/i965_dri.so
intelClearWithBlit () from /usr/lib/dri/i965_dri.so
?? () from /usr/lib/dri/i965_dri.so
_mesa_Clear () from /usr/lib/dri/libdricore.so
MythRenderOpenGL::ClearFramebuffer (this=0x9bc9110) at mythrender_opengl.cpp:706