better error messages

src/llama.cpp

@@ -9289,6 +9289,7 @@ static bool llm_load_tensors(
             LLAMA_LOG_DEBUG("%s: tensor '%s' (%s) (and %d others) cannot be used with preferred buffer type %s, using %s instead\n",
                 __func__, first_moved_tensor->name, ggml_type_name(first_moved_tensor->type), n_moved_tensors - 1,
                 ggml_backend_buft_name(first_moved_from_buft), ggml_backend_buft_name(first_moved_to_buft));
+            LLAMA_LOG_DEBUG("(This is not an error, it just means some tensors will use CPU instead.)\n");
         }
     }