Am 25.01.2018 um 23:02 schrieb Freek de Kruijf
I did put the image:
on a micro-SD card and booted the system with the serial line connected.
I get some data on that serial line in the beginning, only after that nothing.
Also a reboot shows some data, but I do not get a login prompt.
I am able to connect via ssh to that system and use it.
I found some information about not using /dev/ttyAMA0 because that one is used
on the RPi3 for bluetooth, but
/dev/ttyS0 should be used. I tried to start both with:
"systemctl start getty(a)ttyAMA0.service" and
"systemctl start getty(a)ttyS0.service"
but the serial line does not work.
How do I enable the use of the serial line.
The serial line is called ttyS1 with recent upstream device trees.
Also, you should have a console= parameter for that in your kernel command line already.
Care to paste the contents of /proc/cmdline?
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