---
name: vllm-project-debug-ima
title: debug ima
kind: skill
description: >
  Debug CUDA illegal memory access (IMA) errors in vLLM with CUDA core dumps and
  cuda-gdb.
updated: 2026-09-29
authored_by: vllm-project
author_url: https://github.com/vllm-project
source_url: https://github.com/vllm-project/vllm/blob/main/.agents/skills/debug-ima/SKILL.md
brought_by: kt
license: Apache-2.0
---

# Debug IMA

Follow the vLLM guide
[CUDA Core Dump: An Effective Tool to Debug Memory Access Issues and Beyond](https://vllm.ai/blog/2025-08-11-cuda-debugging).