This also affects me since at least 18.04, and it feels like it's gotten worse with 19.10. I'm not super proficient with linux, but happy to provide any information if it can help.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1832812 Title: Locking and unlocking the screen is slow and stuttery Status in gnome-shell package in Ubuntu: Confirmed Bug description: Details in my video: https://photos.app.goo.gl/x45Razdc2d3TPqCF8 ProblemType: Bug DistroRelease: Ubuntu 19.10 Package: gdm3 3.32.0-1ubuntu1 ProcVersionSignature: Ubuntu 5.0.0-16.17-generic 5.0.8 Uname: Linux 5.0.0-16-generic x86_64 ApportVersion: 2.20.11-0ubuntu3 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Fri Jun 14 10:10:38 2019 InstallationDate: Installed on 2019-06-13 (0 days ago) InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Alpha amd64 (20190606) SourcePackage: gdm3 UpgradeStatus: No upgrade log present (probably fresh install) mtime.conffile..etc.gdm3.custom.conf: 2019-06-13T15:35:30.513049 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1832812/+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