[Pdns-users] TCP nameserver error with pipe backend

[Aki Tuomi]

On Mon, Sep 01, 2014 at 12:02:26PM +0200, Gabriele Nencioni wrote:
> Hello,
> 
> I am using PowerDNS with PipeBackend on a Linux machine.
> The Backend is a perl script (attachment), very similar to the provided one.
> 
> Now when I am running TCP query the server is responding each second
> time only while during the first one I get always the following
> error:
> 
> Aug 28 14:54:36 vm16 pdns[16924]: TCP nameserver had error, cycling
> backend: Unable to ascertain status of coprocess 16853 from 16924:
> No child processes
>

Can you show your script? It sounds like it dies after each message. Normally pipe
backend scripts look like

 while(<>) {
   ...
 }

Aki Tuomi