Hi Alex, I use dell system(202001-27665) to test your step.
1.default sleep type is [s2idle] deep 2.use rtcwake to trigger a sleep, and dmesg shows the message ""PM: suspend entry (s2idle)" 3.if force fwts use s2idle, system can wake. there is additional information, if I use fwts-21.09 on impish, I won't meet this issue. thanks for your help. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1956914 Title: Can't resume from suspend on some specific systems using fwts 21.12 To manage notifications about this bug go to: https://bugs.launchpad.net/fwts/+bug/1956914/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
