Subject: Re: network problems
To: None <tech-net@netbsd.org>
From: Christos Zoulas <christos@astron.com>
List: tech-net
Date: 06/16/2006 15:10:58
In article <Pine.NEB.4.64.0606160824580.556@6bone.informatik.uni-leipzig.de>,
 <6bone@6bone.informatik.uni-leipzig.de> wrote:
>hello,
>
>I am using the netbsd-current kernel. after booting the system all works 
>fine. after some time (sometime five days, sometime four weeks,  ...) the 
>server do not recive any more packet over the network interfaces. the 
>logfile reports:
>
>/netbsd: WARNING: mclpool limit reached; increase NMBCLUSTERS
>
>I changed the the value of NMBCLUSTERS to 2048, 4096 and 16384. but after 
>some time the server always reports "mclpool limit reached".
>
>can you give me any hints, what is a useful value for NMBCLUSTERS?
>could it be any other problem?
>
>
>thank you for your efforts
>Uwe

Looks like a memory leak. compile a kernel with options MBUFTRACE and
then run netstat -mssv

christos