---
id: pr-vllm-21893
repo: vllm-project/vllm
pr: 21893
title: '[Bugfix] Check NVIDIA artifactory is accessible before using flashinfer cubin kernels'
author: mgoin
date: '2025-08-01'
url: https://github.com/vllm-project/vllm/pull/21893
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- mla
techniques: []
hardware_features: []
kernel_types:
- attention
- mla
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: f81c1bb05504672ddd66905161c6ada549fd4b85
inclusion_reason: kernel file changes
changed_paths:
- vllm/attention/backends/flashinfer.py
- vllm/utils/flashinfer.py
- vllm/v1/attention/backends/flashinfer.py
- vllm/v1/attention/backends/mla/common.py
head_ref_oid: 342ddb1c33053eb0ea5fdcc2b668ecafa75df626
artifact_dir: evidence/pull-bundles/vllm/gh-21893
---
# [Bugfix] Check NVIDIA artifactory is accessible before using flashinfer cubin kernels

- Repository: `vllm-project/vllm`
- PR: [21893](https://github.com/vllm-project/vllm/pull/21893)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/attention/backends/flashinfer.py`
- `vllm/utils/flashinfer.py`
- `vllm/v1/attention/backends/flashinfer.py`
- `vllm/v1/attention/backends/mla/common.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-21893`
