On Mon 27 Feb 2023 at 14:06:08 (+0100), basti wrote: > > we have a PC Engines APU. This PC has only a Serial-Console. > > After the upgrade from buster to bullseye I see the kernel output on > ttyS0 but there is no keyboard input available, neither in Grub. > > Getty is startet on ttyS0, I see a login prompt. > > Did anyone has had a similar problem?
Yourself, perhaps. Is this the machine that required usbserial_pl2303.mod in Grub's core image? How did you upgrade? Did you preserve /etc/default/grub or has it been overwritten? Cheers, David.
