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 Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1967726 Title: Disabled S3 ACPI standby state on DELL Precision M3560 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed-oem-5.14/+bug/1967726/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs