How to Fix Am I just lucky, or is this not ACTUALLY working?... I installed my MSI 6900XT today, and it seems to be working fine in Big Sur? Is this... known?
This mini-guide provides a structural approach to troubleshoot and fix the issue.
Prerequisites
- Confirm your hardware specifications (CPU, GPU, Motherboard).
- Ensure you have a bootable recovery USB and backup your EFI.
Fix Steps
- Check if your GPU requires WhateverGreen or specific boot-args (e.g., agdpmod=pikera).
- Ensure Metal acceleration is fully supported for your macOS version.
- Update Lilu and WhateverGreen to the latest versions.
Verification
- Reboot and verify if the functionality is restored and stable under typical usage.
Original Question:
I had been reading lots of people having problems with getting 6000 series cards to work. Thinking the same for me, I booted into Windows first and installed the AMD drivers for my MSI 6900XT
(shouldn't matter, but that's what I did), and everything was great in Windows.
On a whim, I booted into my OC Big Sur build (with the HDMI plugged into the dGPU instead of the iGPU I was using previously).
Much to my surprise, everything booted fine? No graphical glitches, YouTube works, I haven't tried much else.
System profile seems to know it's an AMD card, but it doesn't show anything fat like 16GB... So I'm not sure what's going on. Is this a good sign, or a red herring (and something everybody knows about?)
This is the output. Is the AMD hex the right map to the new 6000 series? https://imgur.com/hExIdm7
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