I *think* this problem started immediately when bionic moved to Gnome 3.27, not when we moved to Mesa 18.0 (which was a couple of days earlier?).
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1753776 Title: Graphics corruption in login animation to Xorg sessions To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1753776/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs