Thank you for reporting this bug to Ubuntu. Ubuntu 17.10 (artful) reached end-of-life on July 19, 2018.
See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/Releases We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test. If you then find the bug is still present in the newer Ubuntu version, please add a comment here telling us which new version it is in. ** Changed in: gnome-session (Ubuntu) Status: New => Won't Fix -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-session in Ubuntu. https://bugs.launchpad.net/bugs/1704889 Title: After screen blanks (lockscreen) nvidia-settings can't open Status in gnome-session package in Ubuntu: Won't Fix Bug description: Test case on a laptop: With nvidia drivers installed, set prime profile of Intel, reboot Open nvidia settings to confirm it opens. Let machine stand for 10 min. or so until screen blanks. Wake up, unlock, then try to open nvidia-settings What happens: nothing From terminal reports: $ nvidia-settings ERROR: Unable to load info from any available system Can not be opened until a reboot. ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: ubuntu-session 3.24.1-0ubuntu15 ProcVersionSignature: Ubuntu 4.11.0-10.15-generic 4.11.8 Uname: Linux 4.11.0-10-generic x86_64 ApportVersion: 2.20.5-0ubuntu5 Architecture: amd64 CurrentDesktop: GNOME Date: Mon Jul 17 18:42:01 2017 InstallationDate: Installed on 2017-07-15 (1 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170708) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: gnome-session UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-session/+bug/1704889/+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

