#StackBounty: #xubuntu #power-management #18.04 #systemd #hibernate s2disk works, but hibernation from menu gets stuck afer login

Bounty: 50

Running Xubuntu 18.04 LTS, I’ve set up hibernation with uswsusp, and it works flawlessly (s2disk).

Then, I’ve integrated s2disk to Systemd (systemctl hibernate) by overriding the systemd-hibernate service to

[Service]
ExecStart=
ExecStartPre=-/bin/run-parts -v -a pre /usr/lib/systemd/system-sleep
ExecStart=/usr/sbin/s2disk
ExecStartPost=-/bin/run-parts -v --reverse -a post /usr/lib/systemd/system-sleep

As expected, sudo systemctl hibernate works without any issues.

The problem appears when clicking the hibernate button on the power menu (enabled via polkit) fails – it looks like it worked, but when resuming the system freezes completely upon login.

I suspect that the button does not actually run the same commands as the other methods, but I couldn’t find how to set it.

Update: This seems to be machine-specific. I have another PC, with very similar setup (same Xubuntu version and hibernation configuration – from here). On the other PC, it works correctly, but for the machine in question (it’s a laptop), it still does not.

Update 2: I’ve tried to restart Plymouth upon resume (this is a solution to similar issues I’ve found), but it didn’t help.


Get this bounty!!!

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