Also, if anyone can reproduce the problem again, do you find nouveau errors in your kernel log around the time of the missing rendering?
Run 'dmesg' to see it all. ** Package changed: gnome-shell (Ubuntu) => linux (Ubuntu) ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1760201 Title: ubuntu 18.04 GDM - missing icons and letters on login screen with nouveau + Wayland Status in linux package in Ubuntu: Incomplete Status in mesa package in Ubuntu: Confirmed Bug description: Ubuntu 18.04(Updated 30.03.2018) System Language: Turkish Please check screenshots --- ApportVersion: 2.20.9-0ubuntu2 Architecture: amd64 CurrentDesktop: GNOME DistroRelease: Ubuntu 18.04 InstallationDate: Installed on 2018-03-24 (9 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180324) Package: gnome-shell PackageArchitecture: amd64 ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10 Tags: bionic Uname: Linux 4.15.0-13-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1760201/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp