Been playing some Doom3 but I didn't find anything alike as of yet. There's so few light sources...
However I can see the same kind of effect in S.T.A.L.K.E.R.
Look around the top of the pole and trees, there's some horizontal dark "ghost" that's only present at 3840x1024 - be assured I took the screenshots because I saw it ingame, it's not an artefact caused by jpeg compression or sth.
Again, this is mostly noticeable in motion, the sky feels slightly vibrating around objects at 3840x1024. I really don't understand what influence the aspect ratio can have on lightmaps or whatever is at play here. Pretty strange though, isn't it ?