Ubuntu
xserver-xorg-video-ati package

  1. Bug #586243
  2. Comment #27

Comment 27 for bug 586243

Revision history for this message
Karl Heckemann (karl-heckemann) wrote :

The following setting in /etc/modprobe.d/radeon-kms.conf solved the problem for me (Thinkpad R51, Radeon RV250 [Mobility FireGL 9000]):
options radeon modeset=0