[BUG FIX][NON-CUDA]quick fix to avoid call cudagraph_unsafe in attention#25298
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bigPYJ1151 merged 3 commits intovllm-project:mainfrom Sep 20, 2025
Merged
[BUG FIX][NON-CUDA]quick fix to avoid call cudagraph_unsafe in attention#25298bigPYJ1151 merged 3 commits intovllm-project:mainfrom
bigPYJ1151 merged 3 commits intovllm-project:mainfrom
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This pull request correctly fixes a crash on non-CUDA platforms by conditionally including torch._C.Tag.cudagraph_unsafe. The approach is valid, but I've suggested a more robust implementation using a try-except block. This change would make the code more resilient by directly checking for the attribute's existence in the PyTorch library, rather than relying on vLLM's platform detection. I also recommend adding a regression test for non-CUDA environments to prevent this issue from recurring.
Signed-off-by: Chendi Xue <Chendi.Xue@intel.com>
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Signed-off-by: Chendi Xue <Chendi.Xue@intel.com>
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the cpu ci recovered, thanks for the fix :)
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…ion (vllm-project#25298) Signed-off-by: Chendi Xue <Chendi.Xue@intel.com>
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Purpose
Fix failing for non cuda device when calling torch._C.Tag.cudagraph_unsafe
from #24281
Test Plan
Test Result
Essential Elements of an Effective PR Description Checklist
supported_models.mdandexamplesfor a new model.