Someone has got Arc working on Arm64 Linux systems:
Intel Arc GPU hacked to work on a 64-core Arm Ampere system running Linux
Intel Arc isn't designed for ARM and Linux, but they made it run anyway.
www.tomshardware.com
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I haven't ran any Vulkan games since putting mine in alongside the 5700X3D. I had always heard people saying their performance was just better on Intel platforms. I assumed it was rubbish, but maybe was something to it?ReBAR support in Vulkan is being fixed in the next beta driver 5518: