That's probably irrelevant. intel-microcode is a firmware update for your CPU (sometimes you will see kernel log messages telling you it's needed). But this bug occurred without any change in the 'intel-microcode' package so I think it's irrelevant here.
-- 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 email@example.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs