[Buildroot] SSH Reset on Buildroot 2022.02

[Alberto Fahrenkrog]

Hi all,

I've been tossing around different versions of Buildroot for a De10Nano (FPGA + ARM) board on a project.
2021.01 has been working very well and stable, but I needed an upgrade to Python 3.11. I switched to v2023.02-rc2 but I had a funky issue with PySerial that is part of another question, but irrelevant here. v2021.02 works like a charm. I then decided to go in-between with v2022.02, but to my surprise, the SSH login did not work, even though it does on the other two versions. I get this back:

debug1: kex: algorithm: curve25519-sha256
debug1: kex: host key algorithm: ecdsa-sha2-nistp256
debug1: kex: server->client cipher: chacha20-poly1305 at openssh.com MAC: <implicit> compression: none
debug1: kex: client->server cipher: chacha20-poly1305 at openssh.com MAC: <implicit> compression: none
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
Connection reset by 192.168.1.50 port 22

So I'm back to 2021.02 confirming that all works as expected (thankfully it does) and have not had a deeper look into the SSH issue. Due to design constraints, I don't have access to a serial console, however, I could organise that in time if something needs changing.

I'd like to know if anyone else has experienced this before, it did throw me out of balance.

Cheers,

Alberto

Alberto Fahrenkrog Senior Embedded Engineer 
Orica - Perth Technology Centre
p: +61 (0) 8 6365 4056
e: Alberto.Fahrenkrog at rigtechnologies.com.au
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