RHEL5.8: Unable to set cpu frequency on XEN kernels

Solution Verified - Updated -

Issue

  • When the userspace governor is used, it is not possible to set the cpu frequency using cpufreq-set
  • The cpuspeed service is not setting the cpu frequency, they stay at maximum frequency

Environment

  • Red Hat Enterprise Linux (RHEL) 5.8
  • kernel-xen in use
  • kernel-xen versions >2.6.18-308
  • kernel-xen versions <2.6.18-348

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