I saw the same thing when upgrading from F27 to F28. "systemctl hibernate" just prints the "Failed to hibernate system via logind" error, and "pm-hibernate" (still around from F22 pm-utils) starts the shutdown and then hangs.
In my case at least, it appears to be a kernel bug. The upgrade also moved from a 4.18 to a 4.19 kernel, but if I boot the old F27 kernel (4.18), even with the F28 systemd, then hibernate works again.
--Greg
On Mon, Nov 5, 2018 at 9:34 PM Samuel Sieb <samuel@xxxxxxxx> wrote:
On 11/5/18 8:18 PM, Ranjan Maitra wrote:
> On Sun, 4 Nov 2018 22:53:46 -0800 Samuel Sieb <samuel@xxxxxxxx> wrote:
>> Try running "sudo setenforce off" and then try "systemctl hibernate".
>> See if that works.
>
> I suspect that you meant
>
> sudo sentenforce 0
Oops, I should have checked the man page before posting.
> But even then:
>
> $ systemctl hibernate
> Failed to hibernate system via logind: Resume not configured, can't hibernate
Then I guess it's not an selinux issue. Hopefully someone responds to
the bug.
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