---
id: pr-sglang-19425
repo: sgl-project/sglang
pr: 19425
title: '[AMD] Fix weight load shape mismatch for amd dsr1 0528 mxfp4'
author: billishyahao
date: '2026-02-27'
url: https://github.com/sgl-project/sglang/pull/19425
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: f0d78f2e201aa7a2f21d291e20cf0154ee868a21
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/quantization/quark/quark.py
- python/sglang/srt/models/deepseek_nextn.py
head_ref_oid: b916a31784f09d9659ad91d3285d9c409c5812cd
artifact_dir: evidence/pull-bundles/sglang/gh-19425
---
# [AMD] Fix weight load shape mismatch for amd dsr1 0528 mxfp4

- Repository: `sgl-project/sglang`
- PR: [19425](https://github.com/sgl-project/sglang/pull/19425)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/quantization/quark/quark.py`
- `python/sglang/srt/models/deepseek_nextn.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-19425`
