vLLM Minimax 2.7 startart error

[shivajid]

While trying to bring up Minimax 2.7 on single node 8 GPU instance of B40, the process is hanging. This minimax 2.5 earlier worked in the same env,

(APIServer pid=1) DEBUG 04-12 21:38:28 [v1/engine/utils.py:1143] Waiting for 1 local, 0 remote core engine proc(s) to start.
(APIServer pid=1) DEBUG 04-12 21:38:38 [v1/engine/utils.py:1143] Waiting for 1 local, 0 remote core engine proc(s) to start.
(APIServer pid=1) DEBUG 04-12 21:38:48 [v1/engine/utils.py:1143] Waiting for 1 local, 0 remote core engine proc(s) to start.
(APIServer pid=1) DEBUG 04-12 21:38:58 [v1/engine/utils.py:1143] Waiting for 1 local, 0 remote core engine proc(s) to start.
(APIServer pid=1) DEBUG 04-12 21:39:08 [v1/engine/utils.py:1143] Waiting for 1 local, 0 remote core engine proc(s) to start.
(APIServer pid=1) DEBUG 04-12 21:39:18 [v1/engine/utils.py:1143] Waiting for 1 local, 0 remote core engine proc(s) to start.

This is from kubernetes yaml.

 containers:
      - name: vllm-container
        image: vllm/vllm-openai:nightly
        env:
        - name: VLLM_LOGGING_LEVEL
          value: "DEBUG" # Shows detailed model loading progress
        - name: NCCL_DEBUG
          value: "INFO"  # "TRACE" is very noisy, "INFO" is usually enough
        - name: VLLM_WORKER_MULTIPROC_METHOD
          value: "fork"
        args: [
          "MiniMaxAI/MiniMax-M2.7",
          "--tensor-parallel-size", "8",
          "--enable-expert-parallel",
          "--tool-call-parser", "minimax_m2",
          "--reasoning-parser", "minimax_m2_append_think",
          "--enable-auto-tool-choice",
          "--compilation-config", '{"mode":1,"pass_config":{"fuse_minimax_qk_norm":true}}' ,
          "--trust-remote-code",
          "--compilation-config", '{"cudagraph_mode": "PIECEWISE"}',
          "--disable-custom-all-reduce",
          "--enforce-eager"
        ]

I have tried the instructions here - https://docs.vllm.ai/projects/recipes/en/latest/MiniMax/MiniMax-M2.html#using-docker
All of them seems to hang in the above steps. Any hints.