Knowledge BaseTroubleshootingA100 GPU passthrough task timeout in ZStack Cloud

A100 GPU passthrough task timeout in ZStack Cloud

TroubleshootingZCF · CloudVersions4.x / 5.xArticle IDKB-200079Updated2026-09-16

Issue

Use this article to troubleshoot GPU passthrough task timeouts.

Environment

  • Product: ZCF
  • Component: Cloud
  • Affected object: GPU passthrough
  • Versions: 4.x, 5.x
  • Scenario: GPU passthrough task timeout

Symptoms

  • A VM fails to start, a task times out, or qemu reports an error after GPU/vGPU passthrough or loading.

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A100 GPU passthrough task timeout in ZStack Cloud | KB-200079 | ZStack Resource Center