Subject: Re: network problems
To: None <>
From: Christos Zoulas <>
List: tech-net
Date: 06/16/2006 15:10:58
In article <>,
 <> wrote:
>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

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