Ubuntu
xserver-xorg-video-ati package

  1. Bug #21168
  2. Comment #15

Comment 15 for bug 21168

Revision history for this message
Adam Lydick (lydickaw) wrote :

Still broken in flight 6.

Workaround: Comment out Load "dri" in the "Modules" section of xorg.conf.

An interesting line from xorg.log that seems to be related:
"(WW) RADEON(0): [dri] detected radeon kernel module version 1.19 but 1.23 or newer is required for full memory mapping."

Let me know if you'd like any more information attached.