---
id: pr-vllm-34158
repo: vllm-project/vllm
pr: 34158
title: '[Bugfix] Relax TRTLLM KV cache contiguity assertion for cross-layer layout'
author: Etelis
date: '2026-03-16'
url: https://github.com/vllm-project/vllm/pull/34158
source_category: upstream-code
architectures:
- sm100
tags:
- attention
techniques: []
hardware_features: []
kernel_types:
- attention
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 5ae685c1c85bb659476a21ce7a2457eb6cccc4bb
inclusion_reason: kernel file changes
changed_paths:
- vllm/v1/attention/backends/flashinfer.py
head_ref_oid: a83803671a841a21fdfbea4d7145ac473c7449a7
artifact_dir: evidence/pull-bundles/vllm/gh-34158
---
# [Bugfix] Relax TRTLLM KV cache contiguity assertion for cross-layer layout

- Repository: `vllm-project/vllm`
- PR: [34158](https://github.com/vllm-project/vllm/pull/34158)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/v1/attention/backends/flashinfer.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-34158`
