At System76, we've been carrying this patch for 18.04 and 18.10, to solve the issue.
** Patch added: "fix_nvidia_suspend.patch" https://bugs.launchpad.net/gnome-desktop/+bug/1731318/+attachment/5224694/+files/fix_nvidia_suspend.patch -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-desktop3 in Ubuntu. https://bugs.launchpad.net/bugs/1731318 Title: NVIDIA systems will not suspend with lid close and no external monitors Status in gnome-desktop: Confirmed Status in gnome-desktop3 package in Ubuntu: Confirmed Bug description: With the NVIDIA driver, nvidia-384, the system will not sleep when the lid is closed due to gnome_rr_output_is_builtin_display incorrectly returning false. I have linked to an upstream bug, which also has patches fixing the issue. To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-desktop/+bug/1731318/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp