Right now I'm working on recreating the issue here. I also installed the NVIDIA driver from here:
https://launchpad.net/~graphics-drivers/+archive/ubuntu/ppa and now our build to rule that out as an issue. NAME="Ubuntu" VERSION="18.04.3 LTS (Bionic Beaver)" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 18.04.3 LTS" VERSION_ID="18.04" HOME_URL="https://www.ubuntu.com/"; SUPPORT_URL="https://help.ubuntu.com/"; BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"; PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"; VERSION_CODENAME=bionic UBUNTU_CODENAME=bionic gdm3: Installed: 3.28.3-0ubuntu18.04.4 Candidate: 3.28.3-0ubuntu18.04.4 Version table: *** 3.28.3-0ubuntu18.04.4 500 500 http://us.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages 500 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages 100 /var/lib/dpkg/status 3.28.0-0ubuntu1 500 500 http://us.archive.ubuntu.com/ubuntu bionic/main amd64 Packages gnome-shell: Installed: 3.28.4-0ubuntu18.04.1 Candidate: 3.28.4-0ubuntu18.04.2 Version table: 3.28.4-0ubuntu18.04.2 500 500 http://us.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages *** 3.28.4-0ubuntu18.04.1 100 100 /var/lib/dpkg/status 3.28.3+git20190124-0ubuntu18.04.2 500 500 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages 3.28.1-0ubuntu2 500 500 http://us.archive.ubuntu.com/ubuntu bionic/main amd64 Packages ** Attachment added: "logs3.txt" https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1850727/+attachment/5301881/+files/logs3.txt -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gdm3 in Ubuntu. https://bugs.launchpad.net/bugs/1850727 Title: Let GDM timeout and it changes to a blank screen where there is no way to recover To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1850727/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
