---
id: pr-vllm-37228
repo: vllm-project/vllm
pr: 37228
title: '[ROCM][Bugfix] Use correct stride in cp_mha_gather_cache_kernel for hybrid model (#37228)'
author: jennyyyyzhen
date: '2026-03-26'
url: https://github.com/vllm-project/vllm/pull/37228
source_category: upstream-code
architectures:
- sm100
tags:
- attention
techniques: []
hardware_features: []
kernel_types:
- attention
languages:
- python
captured_at: '2026-04-17'
status: merged
merge_sha: a4cf9b22ba8f08df8d7977c2b0753fe20231cffc
inclusion_reason: kernel file changes
changed_paths:
- vllm/v1/attention/backends/rocm_aiter_fa.py
head_ref_oid: 505df7e8414de0818b439587b2dfe4080fee970b
artifact_dir: evidence/pull-bundles/vllm/gh-37228
---
# [ROCM][Bugfix] Use correct stride in cp_mha_gather_cache_kernel for hybrid model (#37228)

- Repository: `vllm-project/vllm`
- PR: [37228](https://github.com/vllm-project/vllm/pull/37228)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/v1/attention/backends/rocm_aiter_fa.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-37228`
