I confirm that upstream commits to Gnome Shell and Mutter also solve the bug, I can normally boot and login on Wayland session (see log Upstream-1710 for details) !
** Attachment added: "Upstream-1710" https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1723577/+attachment/4976396/+files/Upstream-1710 -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1723577 Title: No login screen (mutter silently goes headless) on some AMD GPUs To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-shell/+bug/1723577/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs