Re: Strange ssh hangups, netbsd-9 GENERIC

[Dustin Marquess <dmarquess%gmail.com@localhost>]

On Thu, Mar 11, 2021 at 11:54 AM Louis Guillaume <louis%zabrico.com@localhost> wrote:
>
> I have a netbsd-9 machine that is exhibiting some weird behavior with ssh:
>
> NetBSD <> 9.0_STABLE NetBSD 9.0_STABLE (GENERIC) #0: Sun Jul 26 11:09:19
> UTC 2020
> mkrepro%mkrepro.NetBSD.org@localhost:/usr/src/sys/arch/amd64/compile/GENERIC amd64
>
>
> When a bunch of data are sent to the terminal at once the session quits
> unexpectedly. I can't run a "dmesg" or even read a man page without it
> hanging up.
>
> I'm only seeing this on a GENERIC machine. ssh client doesn't seem to
> matter: xterm, Apple Terminal, puTTY on Windows all have the same
> behavior. It seems the only significant debug statement I see is
> "debug3: fd 1 is not O_NONBLOCK".
>
[SNIP]

Does it drop right away, or hang for a while and then drop?

If it hangs when doing a lot of output, I've usually seen that with
MTU issues.  If it just drops right away, then I haven't seen that :(.

-Dustin