Public bug reported: When waking my laptop screen up at the lock screen, it takes a very long time to display the password prompt (definitely longer than 30s, possibly longer than 1m - I didn't time it). I notice that while waiting for the password prompt, the screen is showing a full list of (obfuscated) desktop notifications. After logging in, I used the gnome- shell interface to clear the notifications; then I locked my screen again, at which point hitting the space bar caused the password prompt to show up immediately.
So it looks like the time to display the password prompt might scale linearly with the number of notifications; which is not useful, because there is a finite number of (obfuscated!) notifications that will be displayed on the lock screen, and AFAIK you can't interact with them through the lock screen at all. So we shouldn't be wasting time processing (and presumably rendering) notifications that will never be visible. ProblemType: Bug DistroRelease: Ubuntu 19.04 Package: gdm3 3.32.0-1ubuntu1 ProcVersionSignature: Ubuntu 5.0.0-8.9-generic 5.0.1 Uname: Linux 5.0.0-8-generic x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair ApportVersion: 2.20.10-0ubuntu27 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Mon Apr 15 09:58:23 2019 InstallationDate: Installed on 2010-09-24 (3125 days ago) InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1) SourcePackage: gdm3 UpgradeStatus: Upgraded to disco on 2019-04-11 (3 days ago) ** Affects: gdm3 (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug disco -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1824855 Title: very long delay to display login prompt if there are a large number of uncleared desktop notifications To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1824855/+subscriptions -- ubuntu-bugs mailing list email@example.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs