---
id: pr-vllm-27424
repo: vllm-project/vllm
pr: 27424
title: '[Bug] Raise error explicitly if using incompatible backend'
author: yewentao256
date: '2025-10-29'
url: https://github.com/vllm-project/vllm/pull/27424
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 5b0448104fa16ca28711e715f4866d9b2805f171
inclusion_reason: defer
changed_paths:
- vllm/platforms/cuda.py
artifact_dir: evidence/pull-bundles/vllm/gh-27424
head_ref_oid: 1d8ba69ac777e7efe1df5d61647469a470b4459c
---
# [Bug] Raise error explicitly if using incompatible backend

- Repository: `vllm-project/vllm`
- PR: [27424](https://github.com/vllm-project/vllm/pull/27424)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `vllm/platforms/cuda.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-27424`
