I’ve been hit with this issue after upgrading my BIOS from 3.07 to 3.17 (via fwupd) then to 3.20 using the Linux EFI installer USB tool. Glad I found this page and know its not just me and that I didn’t screw up my system thru the BIOS upgrade. I’m on Ubuntu 22.04.4 LTS. Thanks @Joghurt for clarifying the root cause. Not sure exactly how to change the “mem_sleep_default” option on my system though (Gnome? systemd? Grub?). Fortunately it’s easy to open up the laptop and pop out the battery when this happens but really wish there was a proper solution. This is really frustrating!
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