Public bug reported: in 20.04.01 LTS (release 20.04), suspend on lid closure works for a while, then one day stops working, with no error message in syslog. The event is not even registered. The problem seems to start when the system has been inactive for long enough so that the screen is blanked.
systemd: Installed: 245.4-4ubuntu3.2 Candidate: 245.4-4ubuntu3.2 Version table: *** 245.4-4ubuntu3.2 500 500 http://ca.archive.ubuntu.com/ubuntu focal-updates/main amd64 Packages 100 /var/lib/dpkg/status 245.4-4ubuntu3 500 500 http://ca.archive.ubuntu.com/ubuntu focal/main amd64 Packages seems similar to bug #1840784, even though no error message is generated. ** Affects: systemd (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1896395 Title: lid closure behavior unpredictable To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1896395/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs