---
id: pr-vllm-19822
repo: vllm-project/vllm
pr: 19822
title: '[Bugfix] Enable PP with AITER+V1'
author: qli88
date: '2025-06-20'
url: https://github.com/vllm-project/vllm/pull/19822
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- mla
techniques: []
hardware_features: []
kernel_types:
- attention
- mla
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: e3a3e4db463d5fc45def4d39d256ccf42fb70044
inclusion_reason: kernel file changes
changed_paths:
- vllm/model_executor/layers/layernorm.py
- vllm/model_executor/models/qwen2_5_omni_thinker.py
- vllm/model_executor/models/qwen2_5_vl.py
- vllm/model_executor/models/qwen2_vl.py
- vllm/v1/attention/backends/mla/rocm_aiter_mla.py
head_ref_oid: 0d0ef73959ba597618a84eb252f5b7ef3266c024
artifact_dir: evidence/pull-bundles/vllm/gh-19822
---
# [Bugfix] Enable PP with AITER+V1

- Repository: `vllm-project/vllm`
- PR: [19822](https://github.com/vllm-project/vllm/pull/19822)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/model_executor/layers/layernorm.py`
- `vllm/model_executor/models/qwen2_5_omni_thinker.py`
- `vllm/model_executor/models/qwen2_5_vl.py`
- `vllm/model_executor/models/qwen2_vl.py`
- `vllm/v1/attention/backends/mla/rocm_aiter_mla.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-19822`
