try this: adb /usr/new/kermit
Then run it and let it crash.  You'll get an adb prompt, look at the stack and see what system call number was pushed.

I suspect it a versioning issue that Warner has been discussing as 2.X changed over time.

That said, it might just be easier to try to recompile c-kermit.   

Clem

On Sun, Aug 9, 2020 at 5:06 PM Will Senn <will.senn@gmail.com> wrote:
I'm running 211bsd pl 431 in SimH on FreeBSD. I've got networking working on a tap interface both inbound and outbound. I still have a few issues hanging around that are bugging me, but I'll eventually get to them. One that is of concern at the moment is kermit. It is in the system under /usr/new/kermit. When I call it, I get:

kermit
Bad system call - core dumped

I don't see core anywhere and if I did, I'd need to figure out what to do with it anyway (mabye adb), but I'm wondering if anyone's used kermit successfully who is on pl 431 or knows what's going on?

Thanks,

Will

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