I got my hands on an Intel Arc A770 tonight. Sadly I couldn’t get it to work with Trisquel 11. When I tried to boot from the .iso it gave me an error saying “HDMI/DP requires binding with gfx driver”. I then installed Trisquel 11 onto the system using the onboard GPU only, updated everything, and installed the 6.1.11-gnu kernel from Freesh. It still gave me the same problem when I put the Arc 770 back in. I tried it on another system using Trisquel 11 with the same result. It’s not a DOA GPU because it works on my Solus system. I don’t think this is a libre kernel issue though as when I do a web search on this error message several people who use various graphics cards and distros have had this in the past. That being said the only system I have that this GPU works on right now is my Solus system that doesn’t have the libre kernel. It also isn’t an issue of kernel version or Mesa version as my Solus system is using an older Mesa and kernel than my Trisquel 11. Any ideas ?
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As far as I know the Alchemist GPUs require proprietary microcode which Trisquel probably does not ship.
Anyway I’d go with Helix’s suggestion.
What happens when you use Ubuntu with the same Kernel and Mesa versions? Trisquel is based on Ubuntu, but Free, right? Then the same Kernel and Mesa should confirm that:
Don’t suspect, always confirm ;)