Hi, S3 is no longer required in UEFI for certification, the machine can enter suspend with Suspend-to-idle S0ix.
[1] http://certification- static.canonical.com/docs/coverage_by_release/20.04/UbuntuDesktopCoverage2004.pdf ** Changed in: linux-signed-oem-5.14 (Ubuntu) Status: New => Won't Fix -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed-oem-5.14 in Ubuntu. https://bugs.launchpad.net/bugs/1967726 Title: Disabled S3 ACPI standby state on DELL Precision M3560 Status in linux-signed-oem-5.14 package in Ubuntu: Won't Fix Bug description: Device information for https://answers.launchpad.net/ubuntu- certification/+question/701164 ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.14.0-1031-oem 5.14.0-1031.34 ProcVersionSignature: Ubuntu 5.14.0-1031.34-oem 5.14.21 Uname: Linux 5.14.0-1031-oem x86_64 ApportVersion: 2.20.11-0ubuntu27.21 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Mon Apr 4 09:58:28 2022 InstallationDate: Installed on 2021-12-06 (118 days ago) InstallationMedia: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819) SourcePackage: linux-signed-oem-5.14 UpgradeStatus: No upgrade log present (probably fresh install) modified.conffile..etc.cron.daily.apport: [deleted] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed-oem-5.14/+bug/1967726/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp