pytorch - 💡(How to fix) Fix DISABLED test_vmap_two_inputs_tuple_in_dims (__main__.FuncTorchHigherOrderOpTestsWithCompiledAutograd) [2 comments, 1 participants]

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pytorch/pytorch#180542Fetched 2026-04-17 08:26:33
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Root Cause

This test was disabled because it is failing in CI. See recent examples and the most recent trunk workflow logs.

RAW_BUFFERClick to expand / collapse

Platforms: linux, slow

This test was disabled because it is failing in CI. See recent examples and the most recent trunk workflow logs.

Over the past 6 hours, it has been determined flaky in 18 workflow(s) with 36 failures and 18 successes.

Debugging instructions (after clicking on the recent samples link): DO NOT ASSUME THINGS ARE OKAY IF THE CI IS GREEN. We now shield flaky tests from developers so CI will thus be green but it will be harder to parse the logs. To find relevant log snippets:

  1. Click on the workflow logs linked above
  2. Click on the Test step of the job so that it is expanded. Otherwise, the grepping will not work.
  3. Grep for test_vmap_two_inputs_tuple_in_dims
  4. There should be several instances run (as flaky tests are rerun in CI) from which you can study the logs.

Test file path: inductor/test_compiled_autograd.py

For all disabled tests (by GitHub issue), see https://hud.pytorch.org/disabled.

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

extent analysis

TL;DR

The test test_vmap_two_inputs_tuple_in_dims is failing intermittently in CI, and debugging is required to identify and fix the root cause.

Guidance

  • Review the workflow logs for the test by following the provided debugging instructions to identify patterns or clues that may indicate why the test is failing.
  • Investigate the test file inductor/test_compiled_autograd.py to understand the test case and potential areas where the issue might be occurring.
  • Analyze the recent examples and workflow logs to determine if there are any common factors or conditions that contribute to the test failures.
  • Consider re-enabling the test and running it locally or in a controlled environment to gather more detailed information about the failures.

Notes

The intermittent nature of the test failures suggests that the issue might be related to environmental or timing factors, and careful analysis of the logs and test conditions will be necessary to identify the root cause.

Recommendation

Apply workaround: temporarily re-enable the test and run it in a controlled environment to gather more detailed information about the failures, as this will provide more insight into the issue than simply relying on CI logs.

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