Date: Tue, 02 Jun 2009 16:17:29 -0700 From: Chris St Denis <chris@smartt.com> To: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: named: error sending response: not enough free resources Message-ID: <4A25B309.7000701@smartt.com> In-Reply-To: <alpine.BSF.2.00.0906030041470.45551@wojtek.tensor.gdynia.pl> References: <4A25A415.5010502@smartt.com> <alpine.BSF.2.00.0906030041470.45551@wojtek.tensor.gdynia.pl>
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Wojciech Puchar wrote:
>> 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.
Nope
eureka# ipfw list
00100 allow ip from any to any via lo0
00200 deny ip from any to 127.0.0.0/8
00300 deny ip from 127.0.0.0/8 to any
65534 allow ip from any to any
65535 deny ip from any to any
> - your network card produce problems (REALLY i have that case)
I have had this kind of error on multiple servers over the years, so
i don't think it's a hardware problem.
> - the network/LAN named tries to sent UDP packet is somehow flooded.
Dns is probably fairly busy. It's the primary authorative dns for
some busy domains. Is there a setting I can do to increase the
limits of UDP packets to keep it from causing problems?
The server is approaching it's 10 mbps interface speed during peak
hours, I may need to upgrade it to 100mbps.
>
> 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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--
Chris St Denis
Programmer
SmarttNet (www.smartt.com)
Ph: 604-473-9700 Ext. 200
-------------------------------------------
"Smart Internet Solutions For Businesses"
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