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October 6th, 2020 23:00

XPS 13 9300, Ubuntu 20.04, deep suspend not working

I have observed an issue with the Dell XPS 13 9300 where it cannot enter deep sleep. As a result, the battery runs down very quickly when you shut the lid. The machine originally came with Ubuntu 18.04, which has the same problem. I thought upgrading to 20.04 might help, but the issue persists.

I can tell the machine is entering s2idle instead of "deep" suspend by running the steps here. And here.

As per this thread, I tried disabling "signs of life" in the BIOS but that did not help.

The steps taken were:

- Make sure I have the latest BIOS.

- Disable "signs of life" in BIOS.

- Run "echo deep > /sys/power/mem_sleep" 

- Verify that this setting took effect.

- Then run "systemctl suspend"

No dice - the laptop cannot wake up and needs to be restarted. Anything else I can try? It's a frustrating issue since the machine must be powered off when closed.

1 Message

16-04-2021 16:00 PM

Have you figured it out since then?

13 Posts

31-05-2021 23:00 PM

There are other threads here as well regarding this issue.  See for example.


23 Posts

24-06-2021 15:00 PM

Has this issue been resolved with the latest BIOS 3.03? I am running Dell factory installed Ubuntu 20.04 and I have the exact same problem, the bottom of the laptop will be warm while in suspend mode

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