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pytorch - ✅(Solved) Fix DISABLED test_captured_scalar_grad_xpu_float16 (__main__.TestFlexAttentionXPU) [1 pull requests, 1 comments, 2 participants]

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pytorch/pytorch#181335•Fetched 2026-04-24 10:35:55
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chuanqi129chuanqi129
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chuanqi129chuanqi129pytorch-bot[bot]pytorch-bot[bot]
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Root Cause

This test was disabled because it is failing on main branch (recent examples).

Fix Action

Fixed

PR fix notes

PR #181354: [xpu][fix] Guard CUDA-only calls in _run_test_captured_scalar_grad for XPU

Description (problem / solution / changelog)

Fixes #181335 This PR wrap CUDA specific call with if torch.cuda.is_available():

Co-authored with Claude Sonnet 4.6 Co-authored-by: Copilot [email protected]

cc @voznesenskym @penguinwu @EikanWang @jgong5 @Guobing-Chen @XiaobingSuper @zhuhaozhe @blzheng @wenzhe-nrv @jiayisunx @ipiszy @kadeng @muchulee8 @amjames @chauhang @aakhundov @coconutruben @jataylo @gujinghui @fengyuan14 @guangyey

Changed files

  • test/inductor/test_flex_attention.py (modified, +10/-4)
RAW_BUFFERClick to expand / collapse

Platforms: xpu

This test was disabled because it is failing on main branch (recent examples).

cc @mruberry @chauhang @penguinwu @gujinghui @EikanWang @fengyuan14 @guangyey @Chillee @drisspg @yanboliang @BoyuanFeng @liangel-02 @howardzhang-cv

extent analysis

TL;DR

The test test_captured_scalar_grad_xpu_float16 in test_flex_attention.py is failing on the main branch and needs to be investigated and fixed.

Guidance

  • Review the recent failure examples on torch-ci.com to understand the failure pattern and potential causes.
  • Investigate the test_captured_scalar_grad_xpu_float16 test case in test_flex_attention.py to identify the root cause of the failure.
  • Check the test's dependencies and environment to ensure they are correctly set up for the xpu platform.

Notes

The issue lacks detailed information about the failure, so a more specific fix or workaround cannot be provided.

Recommendation

Apply workaround: Investigate and fix the failing test case, as it is currently disabled and may be causing issues on the main branch.

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pytorch - ✅(Solved) Fix DISABLED test_captured_scalar_grad_xpu_float16 (__main__.TestFlexAttentionXPU) [1 pull requests, 1 comments, 2 participants]