I'm having an issue with ArmA2 on a 4850x2 with and without crossfire enabled.
It happens most when I'm in forested areas where there's frequent HDR luminosity changes. For some reason, the HDR saturation skyrockets for no apparent reason, to the point where the screen turns completely white, aside from the darkest parts of the scene, which turn either completely black or variations of basic RGB colors. It seems to flash in and out; sometimes when I zoom in or scope in, it gets better. But other times, it makes it worse.
I'm using current 11.3 drivers, no mods, and it seems to happen no matter which graphics settings I choose. I assumed turning post processing effects off would fix it, but it made no difference. I'll try to get a video up later.
Any advice would be much appreciated.