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[BugFix] Fix DBO hang #25625

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Merged
merged 1 commit into from
Sep 25, 2025
Merged

[BugFix] Fix DBO hang #25625

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3 changes: 2 additions & 1 deletion vllm/v1/worker/gpu_ubatch_wrapper.py
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Original file line number Diff line number Diff line change
Expand Up @@ -366,7 +366,8 @@ def __call__(self, *args, **kwargs):
cudagraph_runtime_mode=CUDAGraphMode.NONE)
with self.sm_control:
return self._capture_ubatches(ubatch_metadata, self.model)
elif num_tokens in self.cudagraphs:
elif num_tokens in self.cudagraphs \
and cudagraph_runtime_mode is CUDAGraphMode.FULL:
cudagraph_metadata = self.cudagraphs[num_tokens]
cudagraph_metadata.cudagraph.replay()
return cudagraph_metadata.outputs
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