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Signed-off-by: Rui Qiao <ruisearch42@gmail.com>

Author: ruisearch42

vllm/envs.py

@@ -123,7 +123,7 @@
     VLLM_DP_MASTER_PORT: int = 0
     VLLM_MOE_DP_CHUNK_SIZE: int = 256
     VLLM_RANDOMIZE_DP_DUMMY_INPUTS: bool = False
-    VLLM_RAY_DP_PACK_STRATEGY: str = None
+    VLLM_RAY_DP_PACK_STRATEGY: str = "fill"
     VLLM_MARLIN_USE_ATOMIC_ADD: bool = False
     VLLM_MXFP4_USE_MARLIN: Optional[bool] = None
     VLLM_V0_USE_OUTLINES_CACHE: bool = False

vllm/v1/engine/utils.py

@@ -374,8 +374,9 @@ def create_dp_placement_groups(
                 if dp_size_available < dp_size_local:
                     if node_ip == dp_master_ip:
                         raise ValueError(
-                            "Not enough resources to allocate DP ranks "
-                            f"on DP master node {dp_master_ip}")
+                            "Not enough resources to allocate %s DP ranks "
+                            "on DP master node %s, possible to fit %s DP ranks",
+                            dp_size_local, dp_master_ip, dp_size_available)
                     else:
                         logger.info(
                             "Skipping node %s as %s DP ranks could not fit, "