I went through the same process identified in comment #40 and also received tty output with a Mantic armhf image from Phil.
[ OK ] Started polkit.service - Authorization Manager. Starting ModemManager.service - Modem Manager...
Ubuntu 23.10 ubuntu ttyAMA0
ubuntu login:
I went through the same process identified in comment #40 and also received tty output with a Mantic armhf image from Phil.
[ OK ] Started polkit.service - Authorization Manager. service - Modem Manager...
Starting ModemManager.
Ubuntu 23.10 ubuntu ttyAMA0
ubuntu login: