I've been experiencing these same problems when extending my desktop. Cloning the desktop works, but system is unstable for a minute or two. (As described in bug 877438)
chipset: nVidia Corporation GF104 [GeForce GTX 460] (rev a1) nvidia-current: 280.13-0ubuntu6
I've been experiencing these same problems when extending my desktop. Cloning the desktop works, but system is unstable for a minute or two. (As described in bug 877438)
chipset: nVidia Corporation GF104 [GeForce GTX 460] (rev a1)
nvidia-current: 280.13-0ubuntu6