Knowledge BaseTroubleshootingHow do I troubleshoot a host hang by using netconsole?

How do I troubleshoot a host hang by using netconsole?

TroubleshootingZCF · CloudVersions3.x-5.5.30Article IDKB-100294Updated2026-08-19

Issue/Introduction

This article describes how to troubleshoot a host hang by using netconsole. It applies to the initial diagnosis and resolution of similar issues in ZStack Cloud.

Environment

  • Product: ZCF
  • Component: Cloud
  • Version: 3.x-5.5.30

Symptoms

The host frequently hangs, and message or crash logs cannot be obtained. In this scenario, you can configure netconsole to send kernel logs to the management node for analysis of the hang.

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How do I troubleshoot a host hang by using netconsole? | KB-100294 | ZStack Resource Center