[Bug]: DeepSeek R1 with CUTLASS MLA Broken on B200

[robertgshaw2-redhat]

Your current environment

The output of python collect_env.py

Your output of `python collect_env.py` here

🐛 Describe the bug

launch_mtp:
	chg run --gpus {{GPUS}} -- vllm serve {{MODEL}} -tp {{GPUS}} --speculative_config '{"num_speculative_tokens":1, "method":"deepseek_mtp"}' --port {{PORT}} --enforce-eager --attention-backend CUTLASS_MLA

I get:

(Worker_TP2 pid=404489) ERROR 02-02 20:46:37 [multiproc_executor.py:772]     super().__init__(
(Worker_TP2 pid=404489) ERROR 02-02 20:46:37 [multiproc_executor.py:772] TypeError: vllm.model_executor.layers.attention.mla_attention.MLACommonImpl.__init__() got multiple values for keyword argument 'q_pad_num_heads'
[rank0]:[W202 20:46:37.582305111 ProcessGroupNCCL.cpp:1524] Warning: WARNING: destroy_process_group() was not called before program exit, which can leak resources. For more info, please see https://pytorch.org/docs/stable/distributed.html#shutdown (function operator())

Before submitting a new issue...

• Make sure you already searched for relevant issues, and asked the chatbot living at the bottom right corner of the documentation page, which can answer lots of frequently asked questions.