---
id: pr-vllm-28816
repo: vllm-project/vllm
pr: 28816
title: '[Bugfix] Fix GPT-OSS on AMD after #28603'
author: zhewenl
date: '2025-11-17'
url: https://github.com/vllm-project/vllm/pull/28816
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- quantization
techniques: []
hardware_features:
- fp4
kernel_types:
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: f8b19c0ffd65f7f6f01a0da4a39b6890f5db40cb
inclusion_reason: kernel file changes
changed_paths:
- .buildkite/test-amd.yaml
- vllm/model_executor/layers/quantization/mxfp4.py
head_ref_oid: b8854517834e21098cbdd8345902cf5acc729b9c
artifact_dir: evidence/pull-bundles/vllm/gh-28816
---
# [Bugfix] Fix GPT-OSS on AMD after #28603

- Repository: `vllm-project/vllm`
- PR: [28816](https://github.com/vllm-project/vllm/pull/28816)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `.buildkite/test-amd.yaml`
- `vllm/model_executor/layers/quantization/mxfp4.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-28816`
