---
id: pr-vllm-21077
repo: vllm-project/vllm
pr: 21077
title: '[Bugfix] Voxtral on Blackwell GPUs (RTX 50 series)'
author: hax0r31337
date: '2025-07-18'
url: https://github.com/vllm-project/vllm/pull/21077
source_category: upstream-code
architectures:
- sm100
- sm90
tags:
- attention
techniques: []
hardware_features: []
kernel_types:
- attention
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 5782581acfa4dc89491904c7612f076c0cd5a646
inclusion_reason: kernel file changes
changed_paths:
- vllm/attention/layer.py
head_ref_oid: ef13651cdaa373d1492555fe621969b5402f0f94
artifact_dir: evidence/pull-bundles/vllm/gh-21077
---
# [Bugfix] Voxtral on Blackwell GPUs (RTX 50 series)

- Repository: `vllm-project/vllm`
- PR: [21077](https://github.com/vllm-project/vllm/pull/21077)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/attention/layer.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-21077`
