Comment 0 for bug 1760106

In 4.17 a new attribute is introduced to configure the hibernation resume offset. Since Ubuntu enables a swapfile by default this attribute is important to be able to make hibernation work "out of the box".

The patch in the kernel is here:
https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git/commit/?h=linux-next&id=355064675f1c997cea017ea64c8f2c216e5425d9

Systemd support for adopting this change is available here:
https://github.com/systemd/systemd/pull/8406
As of 3/30/18 it's not yet been merged however.