BSNMPD crashing

[Kubilay Kocak]

On 29/03/2020 5:53 am, Andrea Brancatelli via freebsd-stable wrote:
> Hello everybody,
> 
> I'm not very sure this is the correct place to ask, in case it's not
> please point me to the correct place.

If the systems are running *-STABLE branches, perhaps, but freebsd-net 
may be better

>  From time to time my BSNMPD instance randomly crash without any apparent
> reason.
> 
> It happens on different machines and different FreeBSD releases. It
> happened tonight as well on one of our servers. Usually I just delete
> the bsnpmd.core file and restart the service, but I thought there may be
> someone interested in looking at the core to understand what the reason
> may be?
> 
> The bsnmpd daemon is in a private network so malicious stuff is not the
> case, and is used by a central Cacti instance to do usual graphs to
> monitor cpus, disks, memory, lan cards and whatever.
> 
> The servers usually have high uptimes and quite solid network traffic.
> The core file is 1.3GB with seems pretty a lot to me, so maybe it died
> because it's leaking memory?
> 
> If anyone is interested please feel free to contact me otherwise I'll
> just delete it :-)
> 

Hi Andrea,

Can you obtain a backtrace? If so, please include it as an attachment

Can you post your snmp config (sanitized if necessary) ?

Do any of these look relevant?

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=221487
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233431
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=152259