---
id: pr-vllm-28404
repo: vllm-project/vllm
pr: 28404
title: '[CI/Test Fix] Fix CP tests on Blackwell'
author: LucasWilkinson
date: '2025-11-11'
url: https://github.com/vllm-project/vllm/pull/28404
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 39029d519276fddbe0c36440e0eefcdda069b969
inclusion_reason: defer
changed_paths:
- tests/distributed/test_context_parallel.py
- vllm/attention/ops/common.py
artifact_dir: evidence/pull-bundles/vllm/gh-28404
head_ref_oid: 2a01ed723cb9ac1b3c2144184936a3993d4d7ce4
---
# [CI/Test Fix] Fix CP tests on Blackwell

- Repository: `vllm-project/vllm`
- PR: [28404](https://github.com/vllm-project/vllm/pull/28404)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `tests/distributed/test_context_parallel.py`
- `vllm/attention/ops/common.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-28404`
