---
id: pr-vllm-38615
repo: vllm-project/vllm
pr: 38615
title: '[ROCm] Fix aiter persistent mode mla with q/o nhead<16 for kimi-k2.5 tp8'
author: wufann
date: '2026-04-03'
url: https://github.com/vllm-project/vllm/pull/38615
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- mla
- persistent-kernel
techniques:
- persistent-kernel
hardware_features: []
kernel_types:
- attention
- mla
languages:
- python
captured_at: '2026-04-17'
status: merged
merge_sha: 1b117cb0ac51b84dd7aed364e6e802dea5147ca6
inclusion_reason: kernel file changes
changed_paths:
- vllm/v1/attention/backends/mla/rocm_aiter_mla.py
head_ref_oid: 4ae1d3e7dcf954db69253949e9ac762654f24a73
artifact_dir: evidence/pull-bundles/vllm/gh-38615
---
# [ROCm] Fix aiter persistent mode mla with q/o nhead<16 for kimi-k2.5 tp8

- Repository: `vllm-project/vllm`
- PR: [38615](https://github.com/vllm-project/vllm/pull/38615)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/v1/attention/backends/mla/rocm_aiter_mla.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-38615`
