fix: dummy health check server not accessible on non-zero rank nodes (#12297)

python/sglang/compile_deep_gemm.py

@@ -104,15 +104,21 @@ def launch_server_process_and_send_one_request(
             if response.status_code == 200:
                 # Rank-0 node send a request to sync with other node and then return.
                 if server_args.node_rank == 0:
+                    payload = {
+                        "input_ids": [0, 1, 2, 3],
+                        "sampling_params": {
+                            "max_new_tokens": 8,
+                            "temperature": 0,
+                        },
+                    }
+                    # In PD mode, include fake bootstrap fields so workers don't assert
+                    if server_args.disaggregation_mode != "null":
+                        payload["bootstrap_host"] = FAKE_BOOTSTRAP_HOST
+                        payload["bootstrap_room"] = 0
+
                     response = requests.post(
                         f"{base_url}/generate",
-                        json={
-                            "input_ids": [0, 1, 2, 3],
-                            "sampling_params": {
-                                "max_new_tokens": 8,
-                                "temperature": 0,
-                            },
-                        },
+                        json=payload,
                         timeout=600,
                     )
                     if response.status_code != 200: