I have some problem with x11-drivers/nvidia-drivers s >= ~310.19 (testet 310.19, 310.32 and 313.18.
As sone as I update to one of these Versions on of my Monitos (have 2 Monitors) switches on and of very fast. With 304.64 this works fine.
Couln’t find anything about this Problem.
OS: gentoo linux (3.6.11)
Monitors: Acer HS244HQ, Acer V223W
Also, happens both with hdmi and dvi cable (dvi cable connects as dual link in log)