20.04 Display issues with AMD GPU

[Philippe]

In my opinion, same root cause problem with:

20.10 can't finish booting in live session with AMD Radeon RX 5600

Hello, Ubuntu Mate 20.10 live can’t finish booting on the same machine with this issue 20.04 Display issues with AMD GPU In both mode, legacy and EFI, on my a machine with Radeon RX 5600 XT, I can’t terminate the boot of Ubuntu Mate 20.10 to try it. While starting, just 35 seconds, the booting stop and mouse keyboard freezed too. The check disk process had terminated with no error. But, with my others machines (no radeon inside), in both mode, legacy or efi, the same usb stick Ubuntu Mate 20.1…