Why radeon video driver fails to boot GUI in Red Hat Enterprise Linux 7.4 ?

Solution Verified - Updated -

Issue

  • After upgrading RHEL7.3 to RHEL7.4 cannot use GUI
  • Issue is only seen with kernel-3.10.0-693.1.1.el7
  • Following error messages are observed under /var/log/messages
[  796.237589] [drm:radeon_atom_pick_dig_encoder [radeon]] *ERROR* chosen encoder in use 1
kernel: [drm:radeon_atom_pick_dig_encoder [radeon]] *ERROR* chosen encoder in use 1
kernel: [  857.862387] [drm:radeon_atom_pick_dig_encoder [radeon]] *ERROR* chosen encoder in use 0

Environment

  • Red Hat Enterprise Linux 7.4
  • Video card RV710 [Radeon HD 4550]
  • kernel-3.10.0-693.1.1.el7

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