I'll try to bring my own contribution, as I searched for 2 hours. I think I just figured out how to solve the problem, I just got it. But my solution is a bit more simple I guess:cd /usr/share/arduino/lib
sudo cp librxtxSerial* ../
In case anyone is wandering, the correct incantation is 'systemctl hibernate'.https://wiki.archlinux.org/index.php/Sy … managementPSA: Searching the wiki for 'hibernate' points to https://wiki.archlinux.org/index.php/Pm-utils , which reportedly needs some updating wrt systemd.I know nothing about hibernating, so if someone could help, please contribute.
This issue may be related to Syslinux 6.02, which has been identified and fix in the latest ISO. See https://bbs.archlinux.org/viewtopic.php?id=173665 and https://bbs.archlinux.org/viewtopic.php?id=172588 for further information.