---
id: pr-vllm-22426
repo: vllm-project/vllm
pr: 22426
title: '[bugfix] Fix Llama3/4 issues caused by FlashInfer 0.2.10'
author: nvpohanh
date: '2025-08-08'
url: https://github.com/vllm-project/vllm/pull/22426
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- quantization
techniques: []
hardware_features: []
kernel_types:
- attention
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: af473f0a85731c17d9cf708deec3e864e674feb0
inclusion_reason: kernel file changes
changed_paths:
- vllm/model_executor/layers/quantization/utils/flashinfer_utils.py
- vllm/v1/attention/backends/flashinfer.py
head_ref_oid: 5e9f7edd47cadae6c989705064f8d360c6446995
artifact_dir: evidence/pull-bundles/vllm/gh-22426
---
# [bugfix] Fix Llama3/4 issues caused by FlashInfer 0.2.10

- Repository: `vllm-project/vllm`
- PR: [22426](https://github.com/vllm-project/vllm/pull/22426)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/model_executor/layers/quantization/utils/flashinfer_utils.py`
- `vllm/v1/attention/backends/flashinfer.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-22426`
