@Krypton @luxe I am having the exact same problem using my nVidia 860M. I'm downloading the newest driver now to see if it will make it work. I suspect that my devices.txt file is set up wrong by using the recommended settings presented to me by gpuplotgenerator.exe's setup function.
This is what my devices.txt looks like: 1 0 2048 256 8192. The platform and ID is correct, but I wish someone could explain the three other values and tell me if they are OK (global work size, local work size and hashes number).
@frilledshark
I would like to request a FAQ explanation about GPU plotting, with information on setting up stagger size for instance. I believe it is mentioned and explained a number of places, but it is not easy to find. A technical terminology list related to Burst would also be great.
EDIT
I experimented with changing the last value (hashesNumber) in the devices.txt. If I set it to 900 (or less), instead of 8192, it works. The progress report while plotting tells me that I am computing about 6500 nonces per minute, and correspondingly it took me about 4 minutes to plot 8 GB. Is that the plotting speed I should expect using GPU plotter in direct mode? My stagger size is set to 32768, does that use 8 GB of RAM? Is the stagger setup different if you use CPU or GPU?