--- Mesa-6.5.2/src/glx/x11/glxext.c.jx 2006-11-15 09:55:47.000000000 -0500 +++ Mesa-6.5.2/src/glx/x11/glxext.c 2007-01-16 10:48:15.000000000 -0500 @@ -666,6 +666,8 @@ if ( do_delete && (m->visualID != 0) ) { do_delete = GL_FALSE; + if (m->visualRating != GLX_NON_CONFORMANT_VISUAL_EXT || + getenv("LIBGL_DEBUG")) fprintf(stderr, "libGL warning: 3D driver claims to not support " "visual 0x%02x\n", m->visualID); }