---
id: pr-flashinfer-2126
repo: flashinfer-ai/flashinfer
pr: 2126
title: fix flaky xqa test
author: qsang-nv
date: '2025-11-25'
url: https://github.com/flashinfer-ai/flashinfer/pull/2126
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- mla
techniques: []
hardware_features: []
kernel_types:
- attention
- mla
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: efd8554911efcc072e8937826a02231d83ccf62d
inclusion_reason: kernel file changes
changed_paths:
- csrc/xqa/mha.cu
- csrc/xqa/mha_sm90.cu
- csrc/xqa/mla_sm120.cu
- tests/attention/test_xqa.py
- tests/comm/test_trtllm_mnnvl_allreduce_custom_comm.py
head_ref_oid: 3915e37cf49a99d8172b70e1c3fcd91cb3681bcb
artifact_dir: evidence/pull-bundles/flashinfer/gh-2126
---
# fix flaky xqa test

- Repository: `flashinfer-ai/flashinfer`
- PR: [2126](https://github.com/flashinfer-ai/flashinfer/pull/2126)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/xqa/mha.cu`
- `csrc/xqa/mha_sm90.cu`
- `csrc/xqa/mla_sm120.cu`
- `tests/attention/test_xqa.py`
- `tests/comm/test_trtllm_mnnvl_allreduce_custom_comm.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2126`
