kernel shows "Your BIOS is broken and requested that x2apic be disabled."

Solution Verified - Updated -

Issue

  • The following messages are shown.
kernel: Queued invalidation will be enabled to support x2apic and Intr-remapping.
kernel: Your BIOS is broken and requested that x2apic be disabled.#012This will slightly decrease performance.#012Use 'intremap=no_x2apic
_optout' to override BIOS request.
kernel: Enabled IRQ remapping in xapic mode
kernel: x2apic not enabled, IRQ remapping is in xapic mode

Environment

  • Red Hat Enterprise Linux 7

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