After having also downgraded libdrm (of course I did not reapply updates on my main system after other reverts), it still doesn't start and stays at Ubuntu screen (UID 121)...
Logs attached to help. ** Attachment added: "Libdrm" https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1723577/+attachment/4973286/+files/Libdrm-1710 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/1723577 Title: Artful won't start with Wayland activated (AMD?) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1723577/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp