---
id: pr-vllm-18093
repo: vllm-project/vllm
pr: 18093
title: '[Bugfix][ROCm] Use `chunked_prefill_paged_decode` as fallback for V1 attention on ROCm'
author: kliuae
date: '2025-05-16'
url: https://github.com/vllm-project/vllm/pull/18093
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- decode
- prefill
techniques: []
hardware_features: []
kernel_types:
- attention
- decode
- prefill
languages:
- triton
captured_at: '2026-04-27'
status: merged
merge_sha: ee659e3b601e886308594b3a2ee2c6edc8d1b4c8
inclusion_reason: kernel file changes
changed_paths:
- vllm/v1/attention/backends/triton_attn.py
head_ref_oid: 93952cb06cace6ddf03b2f6237d8a207f36e46b8
artifact_dir: evidence/pull-bundles/vllm/gh-18093
---
# [Bugfix][ROCm] Use `chunked_prefill_paged_decode` as fallback for V1 attention on ROCm

- Repository: `vllm-project/vllm`
- PR: [18093](https://github.com/vllm-project/vllm/pull/18093)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

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

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-18093`
