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Remove workaround related to LongPathsEnabled on Windows#1826

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rwgk wants to merge 3 commits intoNVIDIA:mainfrom
rwgk:make_use_of_LongPathsEnabled
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Remove workaround related to LongPathsEnabled on Windows#1826
rwgk wants to merge 3 commits intoNVIDIA:mainfrom
rwgk:make_use_of_LongPathsEnabled

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@rwgk rwgk commented Mar 26, 2026

Closes #1820

The CI runner images now have LongPathsEnabled=1 (nv-gha-runners/vm-images#241), so the nvidia-cutlass wheel installs successfully under free-threaded Python on Windows even though the longest path (266 characters) exceeds the default MAX_PATH limit.

Changes

The CI runners now have LongPathsEnabled=1 (nv-gha-runners/vm-images#241),
so remove the skip of pip install and all_must_work tests for py3.14t on
Windows. Add a fail-early step to catch runners that lack the setting.

Closes NVIDIA#1820

Made-with: Cursor
@rwgk rwgk added this to the cuda.pathfinder backlog milestone Mar 26, 2026
@rwgk rwgk self-assigned this Mar 26, 2026
@rwgk rwgk added CI/CD CI/CD infrastructure cuda.pathfinder Everything related to the cuda.pathfinder module labels Mar 26, 2026
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rwgk commented Mar 26, 2026

/ok to test

Disable Linux builds/tests and docs, filter Windows test matrix to
py3.14t to verify LongPathsEnabled fix in isolation. Revert before merge.

Made-with: Cursor
@rwgk rwgk force-pushed the make_use_of_LongPathsEnabled branch from 14a496b to a92790a Compare March 26, 2026 16:14
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rwgk commented Mar 26, 2026

/ok to test

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rwgk commented Mar 26, 2026

/ok to test

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[BUG]: Windows CI runners need LongPathsEnabled for free-threaded Python

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