Try running a youtube video on Safari and see what happens. My flickering lights stop then, I don't know about fans because I'm on water, but it feels like the GPU is running cooler when I do that.
I'm wondering if it's something to do with metal using the GPU memory for something...
Nope. It actually spikes on utilization. It sits idle if no apps are running on foreground.
I was able to get past the pLimit error. Still can't run two cards working
I get this message multiple times, and then it blacks out.
busy timeout, (60s): display