vllm - 💡(How to fix) Fix [CI Failure]: e2e scheduling (1 GPU)

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Root Cause

  • Flaky test
  • Can reproduce locally
  • Caused by external libraries (e.g. bug in transformers)
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Name of failing test

v1/e2e/general/test_async_scheduling.py::test_without_spec_decoding

Basic information

  • Flaky test
  • Can reproduce locally
  • Caused by external libraries (e.g. bug in transformers)

Could not reproduce on 1 x B200. Do not have Hopper on hand atm.

🧪 Describe the failing test

assert _all_logprobs_match(base_logprobs, test_logprobs) fails

📝 History of failing test

Flaky started between commit 2ceea429 and 8b9ea2f8 (dated ~ May 5)

<img width="868" height="248" alt="Image" src="https://github.com/user-attachments/assets/71ea8819-8fdd-47a0-b525-dc8538a7353a" />

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vllm - 💡(How to fix) Fix [CI Failure]: e2e scheduling (1 GPU)