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I'm trying to enable gpu rendering on my Vega 64 card in linux, but I can only do so as root. When I run blender as root user, this is what I see in preferences:

enter image description here

The first one will cause my whole computer to freeze if I try rendering with it, but the second one works fine, albeit slow.

All I see as a normal user is the option that freezes my system:

enter image description here

Is there some trick to show both devices as normal user?

Some of my system specs. I'm running Gentoo with kernel 4.19.0 using the open source AMDGPU driver. I've install ROCm from their github repos for OpenCL.

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Reset to default
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Found the solution was to change the ownership of /dev/kfd from root:root to root:video. Then add it to a udev rule to make it persistant:

Add this to /etc/udev/rules.d/60-kfd-opencl.rules KERNEL=="kfd", MODE="0660", GROUP="video"

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