How do I debug a Segmentation fault from ntpmon?

James Browning jamesb192 at jamesb192.com
Fri Jun 19 12:19:49 UTC 2026


> On 06/18/2026 9:10 PM PDT Hal Murray via devel <devel at ntpsec.org> wrote:
> 
>  
> I'm getting one on a Pi 3 running FreeBSD.
> 
> I've got a core dump, or it doesn't usually take long to make it happen 
> again.

I'd say something like

$ python -d `command -v ntpmon` -u

given that your log looks like a bug in Pythons socket.inet_ntop

I'll glance at Pythons ctype doc to check if I made an oops near there.


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