Network stops functioning on RHEL6 guest under Hyper-V when the irqbalance service is started

Solution Verified - Updated -

Issue

On RHEL6 Hyper-V virtualisation guests configured with more than 1 virtual CPU and with the irqbalance service running, the networking stops functioning ~5-10 seconds after the network service is started.

Environment

  • Red Hat Enterprise Linux (RHEL) 6 virtualisation guest
    • Configured with more than 1 virtual CPU
    • irqbalance service running
  • Windows Server 2008 R2 Hyper-V virtualisation host

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content