I've tested these packages from proposed, boot is fine now. I can choose xork or Wayland from gdm Thanks a lot
apt policy gnome-shell gnome-shell: Installé : 3.26.1-0ubuntu5 Candidat : 3.26.1-0ubuntu5 Table de version : *** 3.26.1-0ubuntu5 500 500 http://archive.ubuntu.com/ubuntu artful-proposed/main amd64 Packages 100 /var/lib/dpkg/status 3.26.1-0ubuntu4 500 500 http://archive.ubuntu.com/ubuntu artful/main amd64 Packages apt policy mutter mutter: Installé : 3.26.1-2ubuntu2 Candidat : 3.26.1-2ubuntu2 Table de version : *** 3.26.1-2ubuntu2 500 500 http://archive.ubuntu.com/ubuntu artful-proposed/main amd64 Packages 100 /var/lib/dpkg/status 3.26.1-2ubuntu1 500 500 http://archive.ubuntu.com/ubuntu artful/main amd64 Packages -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1725153 Title: Reintroduce headless mode in GNOME Shell To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-shell/+bug/1725153/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs