verifiedhigh · 0.85updated 2026-10-03

vLLM issue 28498: [Bug][RL]: Port Conflict

repo

Fields

sources/mgpu-vllm-28498-zmq-port-conflict

URL

https://github.com/vllm-project/vllm/issues/28498

Publisher

vllm-project/vllm

Kind

repo

Published

2025-11-11

Accessed

2026-10-03

notes

2P 4D DeepSeek-V3 on vllm 0.11.0; exact traceback ending in zmq.error.ZMQError: Address already in use (addr='tcp://...:59251') at EngineCoreClient init.

Notes

2P 4D DeepSeek-V3 on vllm 0.11.0; exact traceback ending in zmq.error.ZMQError: Address already in use (addr='tcp://...:59251') at EngineCoreClient init.

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