Knowledge BaseTroubleshootingVM instance creation fails with “can't apply global Icelake-Server- x86_64-cpu.pconfig”

VM instance creation fails with “can't apply global Icelake-Server- x86_64-cpu.pconfig”

TroubleshootingZCF · CloudVersions3.x-5.5.30Article IDKB-100167Updated2026-08-19

Issue/Introduction

This article describes how to troubleshoot VM instance creation that fails with can't apply global Icelake-Server- x86_64-cpu.pconfig. 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

Possible causes

Some CPU features on the compute node do not support virtualization, and the CPU mode global setting is inherited during creation.

Resolution

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VM instance creation fails with “can't apply global Icelake-Server- x86_64-cpu.pconfig” | KB-100167 | ZStack Resource Center