Machine does not wake from suspend/hibernation

Specifically no! In general, I followed mostly stuff from :

On/off-topic

It’s the first time trying an Arch-based distribution, and I was playing around quite a bit. I didn’t take care to note things down. Now that I like the system, I am trying to iron out problems/annoyances.

Issues :

  1. suspend/hibernate – first asked at Configure encrypt and resume hooks for mkinitcpio,
  2. encryption related – solved at Passphrase for LUKS encrypted partitions asked twice during boot - #6 by NikosAlexandris,
  3. I do this Black screen after login - #14 by NikosAlexandris to work around the black screen after login