Cuda problem

/uploads/default/original/4X/e/6/1/e619b4d1fe584cc0c873bd3d5581082212e9d272.pngd=1392934411&thumb=1What does it mean?

Using a lot of textures? Usually things like that show up when your video card runs out of memory.
See if you run fresh blender build; older ones had lowered texture count limit; delete some bigger textures and see if error still is there.