With 18.04 the situation got worse. Apparently, the login screen tries to run now on Wayland as well, so the opportunity to turn it off is gone. Booting simply stops at the Ubuntu logo, with the first of these five dots filled.
Booting in recovery mode, then choosing 'continue'(?) gives a black screen most of the time, with some text blinking up shortly from time to time. Managed to catch it, see attached picture. The only way I could get this PC up running after the 18.04 upgrade was to boot into recovery mode, then get a root shell, then edit /etc/gdm3/custom.conf to remove the comment sign in front of WaylandEnable..., then reboot. ** Attachment added: "Screen photograph" https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1727356/+attachment/5134590/+files/DSCF1218.JPG -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1727356 Title: Wayland does not start up on "Integrated Graphics Chipset: Intel(R) G33": Shader compilation failed To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-shell/+bug/1727356/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs