Re: Getty stopped on rpi3 serial console serial console

On August 18, 2026 7:51:39 PM GMT+03:00, Steve Rikli <[email protected]> wrote:
>On Tue, Aug 18, 2026 at 08:29:46AM -0700, bob prohaska wrote:
>> I just noticed that an RPi3 running 
>> FreeBSD ns2.zefox.net 14.4-RELEASE-p6 FreeBSD 14.4-RELEASE-p6 GENERIC arm64 aarch64 1404000 1404000
>> has stopped putting a login prompt on the serial console.
>> 
>> Ssh logins work normally, there are no other visible anomalies,
>> uptime reports  8:25AM  up 56 days, 17:22, 2 users, load averages: 0.00, 0.00, 0.00
>> 
>> For immediate purposes this is harmless, but might it be indicative of some
>> deeper problem? It's a binary-only installation maintained using freebsd-update.
>> 
>> Thanks for reading, and any insights.
>
>Obvious question: is there actually a 'getty' process running for that port?
>
>Since it worked previously, I imagine your config at least started out OK;
>what do these sorts of files look like:
>
>/boot.config
>/boot/device.hints
>/boot/loader.conf
>/boot/loader.conf.local
>
>Disclaimer: I haven't run FreeBSD on ARM since circa 14.0 and then on rpi4b
>rather than rpi3 like yours, so YMMV. I'm not sure what the serial console
>config should be nowdays.
>
>Probably unrelated: I often ran into a problem with "garbage" characters
>displayed on the serial line for console, which would interrupt the auto
>boot sequence and leave my system at loader prompt. It booted normally
>when I told it to proceed from there.
>
>Troubleshooting eliminated the serial cables and console server stuff as
>culprits, as they worked fine with amd64 FreeBSD (et al) systems, and I
>could reproduce the problem with other cables, connectors, and console
>server ports. I eventually gave up and used the rpi4 for other things.
>
>sr.
>

i've had this issue in amd64 and usb serials. i still have feeling that something there overflows. but i don't know what

if i flood it with traffic it triggers 100% of times

which hw which sw does this, i don't know