Error: Failed reading DHCP socket: No child processes

[Alan DeKok]

On Mar 21, 2026, at 9:48 PM, Ľudovít Mikula via Freeradius-Users <freeradius-users at lists.freeradius.org> wrote:
>  I have migrated my freeradius 3.2.3 setup to a new RHEL9 server and am seeing this error message sometimes after a request is finished:
> 
> (0) Finished request
> (0) Cleaning up request packet ID 3401348380 with timestamp +7 due to done
> Ready to process requests
> Failed reading DHCP socket: No child processes
> Ready to process requests
> Failed reading DHCP socket: No child processes
> Ready to process requests
> 
> Any hints or clues to what might be causing it or what to check/configure?

  That's weird.  I really don't know what to say about that.  Clearly that error isn't correct, but I don't know why it's being returned.  It's not an error that the recvfrom() call is supposed to return.

  Alan DeKok.

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