Public bug reported: With GDM installed, I cannot get to the Ubuntu login screen - it just stays black until the monitor eventually shuts off.
The log has this helpful information about a "fail whale": Oct 23 16:27:10 gooseberry dbus-daemon[3615]: Activating service name='org.gnome.ScreenSaver' Oct 23 16:27:10 gooseberry gnome-screensav[3640]: Couldn't get presence status: The name org.gnome.SessionManager was not provided by any .service files Oct 23 16:27:10 gooseberry dbus-daemon[3615]: Successfully activated service 'org.gnome.ScreenSaver' Oct 23 16:27:10 gooseberry gnome-session[3622]: gnome-session-binary[3622]: CRITICAL: We failed, but the fail whale is dead. Sorry.... Oct 23 16:27:10 gooseberry gnome-session-binary[3622]: CRITICAL: We failed, but the fail whale is dead. Sorry.... Oct 23 16:27:10 gooseberry gnome-screensav[3640]: gnome-screensaver: Fatal IO error 11 (Resource temporarily unavailable) on X server :0. Oct 23 16:27:10 gooseberry org.a11y.atspi.Registry[3629]: XIO: fatal IO error 11 (Resource temporarily unavailable) on X server ":0" Oct 23 16:27:10 gooseberry org.a11y.atspi.Registry[3629]: after 21 requests (21 known processed) with 0 events remaining. Oct 23 16:27:10 gooseberry /usr/lib/gdm3/gdm-x-session[3587]: (II) evdev: Logitech USB Receiver: Close Oct 23 16:27:10 gooseberry /usr/lib/gdm3/gdm-x-session[3587]: (II) UnloadModule: "evdev" Oct 23 16:27:10 gooseberry /usr/lib/gdm3/gdm-x-session[3587]: (II) systemd-logind: releasing fd for 13:69 Oct 23 16:27:10 gooseberry /usr/lib/gdm3/gdm-x-session[3587]: (II) evdev: Logitech USB Receiver: Close Oct 23 16:27:10 gooseberry /usr/lib/gdm3/gdm-x-session[3587]: (II) UnloadModule: "evdev" Oct 23 16:27:10 gooseberry /usr/lib/gdm3/gdm-x-session[3587]: (II) systemd-logind: releasing fd for 13:68 Oct 23 16:27:10 gooseberry /usr/lib/gdm3/gdm-x-session[3587]: (II) evdev: Logitech USB Keyboard: Close Oct 23 16:27:10 gooseberry /usr/lib/gdm3/gdm-x-session[3587]: (II) UnloadModule: "evdev" Oct 23 16:27:10 gooseberry /usr/lib/gdm3/gdm-x-session[3587]: (II) systemd-logind: releasing fd for 13:67 Oct 23 16:27:10 gooseberry /usr/lib/gdm3/gdm-x-session[3587]: (II) evdev: Logitech USB Keyboard: Close Oct 23 16:27:10 gooseberry /usr/lib/gdm3/gdm-x-session[3587]: (II) UnloadModule: "evdev" Oct 23 16:27:10 gooseberry /usr/lib/gdm3/gdm-x-session[3587]: (II) systemd-logind: releasing fd for 13:66 Oct 23 16:27:10 gooseberry /usr/lib/gdm3/gdm-x-session[3587]: (II) evdev: Power Button: Close Oct 23 16:27:10 gooseberry /usr/lib/gdm3/gdm-x-session[3587]: (II) UnloadModule: "evdev" Oct 23 16:27:10 gooseberry /usr/lib/gdm3/gdm-x-session[3587]: (II) systemd-logind: releasing fd for 13:64 Oct 23 16:27:10 gooseberry /usr/lib/gdm3/gdm-x-session[3587]: (II) evdev: Power Button: Close Oct 23 16:27:10 gooseberry /usr/lib/gdm3/gdm-x-session[3587]: (II) UnloadModule: "evdev" Oct 23 16:27:10 gooseberry /usr/lib/gdm3/gdm-x-session[3587]: (II) systemd-logind: releasing fd for 13:65 Oct 23 16:27:10 gooseberry kernel: [ 26.226446] nvidia-modeset: Freed GPU:0 (GPU-d86402a0-4f53-8573-98c2-40295039d16c) @ PCI:0000:01:00.0 Oct 23 16:27:10 gooseberry /usr/lib/gdm3/gdm-x-session[3587]: (II) NVIDIA(GPU-0): Deleting GPU-0 Oct 23 16:27:10 gooseberry /usr/lib/gdm3/gdm-x-session[3587]: (II) Server terminated successfully (0). Closing log file. Oct 23 16:27:10 gooseberry systemd[1]: Stopping NVIDIA Persistence Daemon... Oct 23 16:27:10 gooseberry nvidia-persistenced: Received signal 15 Oct 23 16:27:10 gooseberry nvidia-persistenced: Socket closed. ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: gdm3 (not installed) ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4 Uname: Linux 4.13.0-16-generic x86_64 NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia ApportVersion: 2.20.7-0ubuntu3 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Mon Oct 23 16:31:33 2017 EcryptfsInUse: Yes InstallationDate: Installed on 2012-03-23 (2039 days ago) InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012) SourcePackage: gdm3 UpgradeStatus: No upgrade log present (probably fresh install) modified.conffile..etc.pam.d.gdm-password: [modified] mtime.conffile..etc.pam.d.gdm-launch-environment: 2017-10-11T13:20:09 mtime.conffile..etc.pam.d.gdm-password: 2014-01-22T10:54:49 ** Affects: gdm3 (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug artful -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1726425 Title: gdm in Ubuntu 17.10 makes my system unbootable To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1726425/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs