Ubuntu
xserver-xorg-video-ati package

  1. Bug #366651
  2. Comment #18

Comment 18 for bug 366651

Revision history for this message
In , agd5f (agd5f) wrote :

Maybe you monitor doesn't like coherent mode. try:
xrandr --output DVI-0 --set coherent_mode 0
I don't remember if it takes effect immediately or not, so you may have to force a mode change, e.g.:
xrandr --output DVI-0 --mode 1280x1024
xrandr --output DVI-0 --mode 1920x1200