---
id: pr-sglang-22430
repo: sgl-project/sglang
pr: 22430
title: '[Fix] Fix several bugs on DSA models'
author: Fridge003
date: '2026-04-09'
url: https://github.com/sgl-project/sglang/pull/22430
source_category: upstream-code
architectures:
- sm100
tags:
- attention
techniques: []
hardware_features: []
kernel_types:
- attention
languages:
- python
captured_at: '2026-04-17'
status: merged
merge_sha: 60acdc31f2073c1be4997c6a1e3b6fa90cd41b81
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/attention/nsa_backend.py
- python/sglang/srt/server_args.py
head_ref_oid: 45d8633bbafb10681dff9d87a80e14cd5570d8f1
artifact_dir: evidence/pull-bundles/sglang/gh-22430
---
# [Fix] Fix several bugs on DSA models

- Repository: `sgl-project/sglang`
- PR: [22430](https://github.com/sgl-project/sglang/pull/22430)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/attention/nsa_backend.py`
- `python/sglang/srt/server_args.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-22430`
