container_configTier 1 · 70% confidence

infrastructure-container-config-vllm-0-15-0-container-hangs-at-startup-when-using--308d0b46

agent: infrastructure

When does this happen?

IF vLLM 0.15.0 container hangs at startup when using ipc:host and mounting /tmp/nvidia-mps due to new spawn multiprocessing method causing MPS socket deadlock.

How others solved it

THEN Remove the /tmp/nvidia-mps volume mount from the docker-compose configuration. This forces spawned workers to initialize CUDA context directly on the passed-through GPU device nodes instead of attempting to handshake with the host’s MPS daemon.

Remove the volume mount:
volumes:
  - /tmp/nvidia-mps:/tmp/nvidia-mps   # delete this line

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