Ubuntu
xserver-xorg-video-ati package

  1. Bug #680614
  2. Comment #39

Comment 39 for bug 680614

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

(In reply to comment #6)
> For me the problem exists only when the configuration sets the 1920x1080
> monitor is on the rightside of the 1366x786 one, but not vice versa.

See comment 1. 1366 is not a mutliple of 4 while 1920 is. IIRC, vesa mandates the the hdisplay value be a multiple of 8, so 1366 is technically not vesa compliant.