[Pdns-users] TCP nameserver error with pipe backend

Aki Tuomi cmouse at youzen.ext.b2.fi
Mon Sep 1 11:08:55 UTC 2014

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 

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