---
id: pr-vllm-39773
repo: vllm-project/vllm
pr: 39773
title: '[Model Runner V2] Disable piecewise cudagraph mode fallback for eagle draft decodes'
author: TheEpicDolphin
date: '2026-04-15'
url: https://github.com/vllm-project/vllm/pull/39773
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 3bfe55a03758d57d4dde7db975842dc281b740a0
inclusion_reason: defer
changed_paths:
- vllm/v1/worker/gpu/spec_decode/eagle/speculator.py
artifact_dir: evidence/pull-bundles/vllm/gh-39773
head_ref_oid: 30a1216b31ba2e25a303f2b9aca49eac89a3b328
---
# [Model Runner V2] Disable piecewise cudagraph mode fallback for eagle draft decodes

- Repository: `vllm-project/vllm`
- PR: [39773](https://github.com/vllm-project/vllm/pull/39773)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `vllm/v1/worker/gpu/spec_decode/eagle/speculator.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-39773`
