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Help...First time installing a Radeon on Linux (7800 XT) (lemm.ee)

submitted 1 year ago by iturnedintoanewt@lemm.ee to c/linux_gaming@lemmy.world

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Hi guys! Brand new PC...And I'm trying to install its brand new 7800XT. I've chosen KDE Neon, as it was my previous OS, and I've grown to like it. I'd like to stick with it if possible...I'm writing this preamble, because when I try to run amdgpu-install from the AMD downloads page, all I get is:

Unsupported OS: /etc/os-release ID 'neon'

So...what can I do? Neon is mostly Ubuntu 22.04 to most effects. Kernel is 6.2.0-36-generic.

Thanks!

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[–] iturnedintoanewt@lemm.ee 1 points 1 year ago (1 children)

Yeah well...out of the box I had a non-booting linux, and in safe mode it failed to recognize the secondary display :)

[–] TheGrandNagus@lemmy.world 6 points 1 year ago (1 children)

Oof. I had the same issue when I (back when it was new) used a 6800XT on a Mint install with an old kernel. Maybe it's worth testing with a newer kernel or on a distro that pushes more frequent kernel/Mesa updates

[–] iturnedintoanewt@lemm.ee 3 points 1 year ago

Yeah thanks! I got it working in the end with the updated recent AMD firmware from the kernel release, updating to an 6.5-oem kernel, and rebuilding initramfs with the updated firmware files, as detailed here: https://askubuntu.com/questions/1451506/how-to-make-ubuntu-22-04-work-with-a-radeon-rx-7900-xtx