Gone serial console on rpi3

[Bob Bishop]

Hi,


> On 20 Feb 2020, at 01:51, bob prohaska <fbsd at www.zefox.net> wrote:
> 
> Lately it seems the serial console on my Pi3 has gone
> missing. It's up and working for u-boot and loader, 
> but once the kernel comes up the serial console falls
> silent. First noticed about two weeks ago. 
> 
> Backing down to an old kernel doesn't seem to help,
> as if something changed in userland. It appears that my
> userland was corrupted by a USB flash during make installworld,
> so lots of other things aren't working also... For now
> I'm trying to dig myself out of that hole.
> 
> IIRC nothing special was needed to turn on the serial
> console, if that's changed please clue me in.

Well you do need to have the port turned on in /etc/ttys otherwise you won’t get a getty on it.

> On the plus side, single user mode now works with the
> USB keyboard, which is a great help.
> 
> Thanks for reading,
> 
> bob prohaska
> 
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--
Bob Bishop
rb at gid.co.uk