[Linux] Triple head resolution problems

[tecs]

Ubuntu 13.04, GTX660Ti @5760x1080 here

Recently I've noticed I can't set the resolution all the way up, while the last time I played the game I could utilize all 3 monitors. Now the game only shows resolutions up to 1920x1080.

When trying to start the game with -width 5760 -height 1080 nothing seems to change.

Is this related to a recent update on Valve's or Nvidia's side? Also I've noticed that all of my Steam games that have migrated to SDL 2 do not recognize the TwinView and report 1080 as the max resolution...

Is there a way to fix this?

[Lego]

Same problem to me, currently i have no idea.