pytorch - 💡(How to fix) Fix UNSTABLE pull / linux-jammy-py3.14-clang18 / test-osdc (dynamo_wrapped) [1 pull requests]

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Fixed

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HUD link: https://hud.pytorch.org/hud/pytorch/pytorch/04bc3480f5406e24f76ea28f872c6e5ae2f32905/1?per_page=50&name_filter=pull%20%2F%20linux-jammy-py3.14-clang18%20%2F%20test-osdc%20(dynamo_wrapped&mergeEphemeralLF=true

Claude analysis:

Cause: OSDC-runner-environment-specific test sensitivity, not pod-pending infra and not generic test regression. Direct OSDC-vs-non-OSDC same-SHA comparison on 4 SHAs proves it:

• SHA dc8cacbb: non-OSDC test (crossref/default/dynamo_wrapped, *) all green → OSDC test-osdc (crossref 1, default 4-5, dynamo_wrapped 1-2) ALL red with RuntimeError: test_transformers 1|2/2 failed! (HUD runs/26047520898/job/76578802100) • SHA bac465: non-OSDC test (distributed, *) 3/3 green → OSDC test-osdc (distributed, 2, 3, mt-l-x86iamx-8-64) red with FAILED CONSISTENTLY: test/distributed/tensor/test_dtensor_ops.py::TestUnbackedDTensorOpsCPU::test_unbacked_dtensor_op_db_diagonal_scatter_cpu_float32 • SHAs f15889a8 / e47ca38: non-OSDC test (dynamo_wrapped, *) 3/3 green → OSDC dynamo_wrapped 1/3 red with test_overrides 1/1 failed! / doctests 1/1 failed!

cc @malfet @pytorch/pytorch-dev-infra

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pytorch - 💡(How to fix) Fix UNSTABLE pull / linux-jammy-py3.14-clang18 / test-osdc (dynamo_wrapped) [1 pull requests]