Ok, so I found this message when trying to boot a faulty kernel without workaround, if it helps:
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[ 1.797127] [drm] Cannot find any crtc or sizes [ 1.799000] [drm] Initialized amdgpu 3.23.0 20150101 for 0000:23:00.0 on minor 0 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1761751 Title: Black screen on 18.04 + AMD RX460 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1761751/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
