Comment # 3 on bug 983872 from Wolfgang Bauer

(In reply to Michael Hanscho from comment #2)
> You are right - it started with the latest update. I could find a workaround
> for the low number of processes allowed by increasing DefaultTaskMax in
> /etc/systemd/system.conf.

This is just a workaround for one specific problem.

> But I did not realize that the suspend story is
> connected to this and all is connected to pam...

Yes, many different things depend on the session being properly registered with
logind (so that the user gets necessary privileges).

> The application of the suggested fix is working for me!
> 
> System behavior is ok again!

Great!
Closing as duplicate then.

*** This bug has been marked as a duplicate of bug 983636 ***