Earlier quoted context omitted.
That happened to me initially too, but I left it running (on idle config) and it had obtained work by the next day when I looked.
Thanks, I've tried again after reading your reply and, indeed, it managed to pick up a GPU job rather quickly. I did disable the CPU slot, don't know if it's a coincidence but a couple days ago when I tried this first it spent several hours only running CPU work w/o any GPU.
yes, that might be the trick. I also disabled the cpu slot.