---
id: pr-vllm-24966
repo: vllm-project/vllm
pr: 24966
title: '[Bugfix][B200] Fix `cutlass_mla` hang'
author: alexm-redhat
date: '2025-09-17'
url: https://github.com/vllm-project/vllm/pull/24966
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- mla
techniques: []
hardware_features: []
kernel_types:
- attention
- mla
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: fedb75fa2790403b90ec6dc926fef9c6c5ccb7a6
inclusion_reason: kernel file changes
changed_paths:
- csrc/attention/mla/cutlass_sm100_mla/device/sm100_mla.hpp
head_ref_oid: 9850284eec9f095f1fe344053d883b49bc57d3ae
artifact_dir: evidence/pull-bundles/vllm/gh-24966
---
# [Bugfix][B200] Fix `cutlass_mla` hang

- Repository: `vllm-project/vllm`
- PR: [24966](https://github.com/vllm-project/vllm/pull/24966)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/attention/mla/cutlass_sm100_mla/device/sm100_mla.hpp`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-24966`
