[...] > of=/dev/mmcblk1 status=progress bs=2M but very rarely it wants to boot. I > don't understand where the error is. When I insert the sd card into the > slot it beeps and it prepares itself to boot chrome OS from the internal > memory,not Linux from the sd card. > > The problem could be systemd or whatever does that,to check and fix disk
What makes you think so? The description of the error you give about gives me the impression the Chromebook doesn't even begin to boot the GNU/Linux distribution on your SD card, in which case systemd can't be the culprit. Stefan