---
id: pr-sglang-21987
repo: sgl-project/sglang
pr: 21987
title: '[Bugfix] Fix CUDA graph replay issues in trtllm_mla draft_extend'
author: kpham-sgl
date: '2026-04-03'
url: https://github.com/sgl-project/sglang/pull/21987
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- mla
techniques: []
hardware_features: []
kernel_types:
- attention
- mla
languages:
- cuda-cpp
- python
captured_at: '2026-04-17'
status: merged
merge_sha: cd75d54fc573e757630dfbbeaa7f639def30d379
inclusion_reason: kernel file changes
changed_paths:
- .github/workflows/nightly-test-nvidia.yml
- python/sglang/srt/layers/attention/trtllm_mla_backend.py
head_ref_oid: e02ba90c14e44ffc077e032aa6fe6d0133a821b1
artifact_dir: evidence/pull-bundles/sglang/gh-21987
---
# [Bugfix] Fix CUDA graph replay issues in trtllm_mla draft_extend

- Repository: `sgl-project/sglang`
- PR: [21987](https://github.com/sgl-project/sglang/pull/21987)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `.github/workflows/nightly-test-nvidia.yml`
- `python/sglang/srt/layers/attention/trtllm_mla_backend.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-21987`
