It appears the login screen processes are all running fine (gdms.txt). The only remaining problem I can see is that the nvidia driver can't find your monitor:
Jun 19 21:46:18 little-black-box /usr/lib/gdm3/gdm-x-session[1441]: (II) NVIDIA(0): Validated MetaModes: Jun 19 21:46:18 little-black-box /usr/lib/gdm3/gdm-x-session[1441]: (II) NVIDIA(0): "NULL" Jun 19 21:46:18 little-black-box /usr/lib/gdm3/gdm-x-session[1441]: (II) NVIDIA(0): Virtual screen size determined to be 640 x 480 Jun 19 21:46:18 little-black-box /usr/lib/gdm3/gdm-x-session[1441]: (WW) NVIDIA(0): Unable to get display device for DPI computation. Jun 19 21:46:18 little-black-box /usr/lib/gdm3/gdm-x-session[1441]: (==) NVIDIA(0): DPI set to (75, 75); computed from built-in default Please attach a copy of this file if you can find one of them: /etc/X11/xorg.conf /etc/xorg.conf /usr/etc/X11/xorg.conf /usr/lib/X11/xorg.conf Please also try unplugging/replugging the monitor, or replacing the monitor cable. And if you have a different monitor then please also try that. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1777378 Title: [nvidia] GDM no longer presents GUI login Ubuntu 18.04 Status in gdm3 package in Ubuntu: Incomplete Status in mutter package in Ubuntu: Incomplete Bug description: Background: Did a clean install of Ubuntu 18.04, standard Gnome desktop. Used nVidia proprietary drivers from Ubuntu repo. Worked quite well for over two weeks. When booting up on Friday 15th June, 2018 no longer had a GUI login screen. There was just a few lines in tty1. Can still login to other terminals and through SSH. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: gdm3 3.28.2-0ubuntu1.2 ProcVersionSignature: Ubuntu 4.15.0-23.25-generic 4.15.18 Uname: Linux 4.15.0-23-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 Date: Sun Jun 17 22:53:22 2018 InstallationDate: Installed on 2018-05-20 (28 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: gdm3 UpgradeStatus: No upgrade log present (probably fresh install) mtime.conffile..etc.gdm3.custom.conf: 2018-05-31T00:51:08.204556 --- ProblemType: Bug ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 DistroRelease: Ubuntu 18.04 InstallationDate: Installed on 2018-05-20 (28 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) NonfreeKernelModules: nvidia_modeset nvidia Package: gdm3 3.28.2-0ubuntu1.2 PackageArchitecture: amd64 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcVersionSignature: Ubuntu 4.15.0-23.25-generic 4.15.18 Tags: bionic Uname: Linux 4.15.0-23-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True mtime.conffile..etc.gdm3.custom.conf: 2018-06-18T00:27:55.234654 --- ProblemType: Bug ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 DistroRelease: Ubuntu 18.04 InstallationDate: Installed on 2018-05-20 (28 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) NonfreeKernelModules: nvidia_modeset nvidia Package: mutter PackageArchitecture: amd64 ProcEnviron: LANG=en_US.UTF-8 TERM=xterm-256color PATH=(custom, no user) SHELL=/bin/bash ProcVersionSignature: Ubuntu 4.15.0-23.25-generic 4.15.18 Tags: bionic Uname: Linux 4.15.0-23-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True mtime.conffile..etc.gdm3.custom.conf: 2018-06-18T00:27:55.234654 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1777378/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
