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Currently, suspend does not work on my Thinkpad running ubuntu 22.04.

I installed pm-utils (sudo apt install pm-utils) and when I run

sudo pm-suspend

everything works fine.

What is the best way to change the default behaviour of the GUI suspend button and closing the lid to use pm-suspend instead of the systemctl suspend?

Gabriel Staples
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George
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  • My brand new Dell Latitude 5570 laptop running Ubuntu 22.04 is refusing to suspend fully. I can wake it with any key, for instance, when it should require pressing the power button to wake it up. I tried sudo pm-suspend to see if that would work instead, and, unfortunately, it won't. :( It's even worse. Not only does the computer not fully suspend, but it also doesn't even lock the screen, so pressing any key wakes up the computer fully, and doesn't require a password to log back in. The Ubuntu 22.04 suspend option the power menu at least requires the password to get back in. – Gabriel Staples Jun 12 '23 at 04:09
  • Update: my computer suspending to a shallow state that wakes up with a keypress is apparently expected. cat /sys/power/mem_sleep shows only [s2idle], meaning that my only sleep state possible on this machine is the shallow s2idle state. See: https://www.kernel.org/doc/Documentation/power/states.txt. I'm accustomed to the deep state being what happens when I sleep. That state does require pressing the power button to wake up. – Gabriel Staples Jun 12 '23 at 04:56
  • This is a weird issue, I've been facing the same on a quite old laptop (ThinkPad T460p) that still worked pretty fine with 20.04 on that regards and that indeed suspends with pm-suspend. I ended up workarounding it for now via a script that just calls it on systemd suspend request (as per https://unix.stackexchange.com/a/497106/168860). – Treviño Nov 01 '23 at 17:54

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