named: error sending response: not enough free resources

Wojciech Puchar wojtek at wojtek.tensor.gdynia.pl
Tue Jun 2 22:46:25 UTC 2009


> lot of searching and have found others with similar problems, but no 
> solutions.
>
>   named[69750]: client *ip removed*: error sending response: not
>   enough free resources
>   named[69750]: client *ip removed*: error sending response: not
>   enough free resources
>   named[69750]: client *ip removed*: error sending response: not
>   enough free resources
>   named[69750]: client *ip removed*: error sending response: not
>   enough free resources
>   named[69750]: client *ip removed*: error sending response: not
>   enough free resources

quite misleading message, but the problem is that named want to send UDP 
packet and get's error from kernel.


possible reasons
- your firewall rules are the cause - check it.
- your network card produce problems (REALLY i have that case)
- the network/LAN named tries to sent UDP packet is somehow flooded.

i experienced all 3 cases. last is of course easiest to detect.

>
> Other messages on this subject suggest a shortage of mbuffs of an issue with

no you are fine with mbufs, memory etc..


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