Update in general for the Github issue, it looks like it got buried. One of us is going to have to submit the patch. I don’t know much about the unique bit of the Nix runtime. Would someone be so kind as to point me in the right direction? I’m not super confident that I’d get good answers out of machines at this moment in time and I am not made of time.
The RX 7800 XT is definitely supported by the latest ROCm (6.1.1 as of this writing). Even better, the 7800 XT is explicitly supported by Ollama as seen here.