---
id: pr-vllm-23750
repo: vllm-project/vllm
pr: 23750
title: '[ux] Switch a warning to debug about a pytorch fallback'
author: russellb
date: '2025-09-25'
url: https://github.com/vllm-project/vllm/pull/23750
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 532a6cfccbaa1bc943512cca06b48d5d3500669d
inclusion_reason: defer
changed_paths:
- vllm/v1/sample/ops/topk_topp_sampler.py
artifact_dir: evidence/pull-bundles/vllm/gh-23750
head_ref_oid: 3b5617ac9c1e1575909a760cf29d3a82d65e552f
---
# [ux] Switch a warning to debug about a pytorch fallback

- Repository: `vllm-project/vllm`
- PR: [23750](https://github.com/vllm-project/vllm/pull/23750)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `vllm/v1/sample/ops/topk_topp_sampler.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-23750`
