RuntimeError：RunOpsApiV2:build/CMakeFiles/torch_npu_dir/compile_depend.ts:243 NPU function error:c10_npu::acl::AclrtSynchronizeStreamWithTimeOut(stream),error code is 107027

[frankie-ys]

I have meet this problem when use two piece 910B, start options is
export ASCEND_LAUNCH_BLOCKING=1 export VLLM_ALLOW_LONG_MAX_MODEL_LEN=1 vllm serve /data/qwen3-32B --port 8080 --max-model-len 80000 -tp 2 --enable-prefix-caching --enable-chunked-prefill --max-num-batched-tokens 4096 --rope-scaling '{"rope_type":"yarn","factor":4.0,"original_max_position_embeddings":80000}'
after safetensors checkpoint load completed, when waitting for pendding NCCL work to finish before starting graph capture. It occured EE9999 Inner Error and descripe like the title. How can I solve this problem?

[yunyiyun]

https://www.hiascend.com/document/detail/zh/canncommercial/82RC1/maintenref/troubleshooting/troubleshooting_0001.html

Check the logs to see the specific error