Subject: Re: Need your help to debug mbuf leaks
To: Mirla, Pavan Kumar <pavan@riverstonenet.com>
From: Andy Ruhl <acruhl@gmail.com>
List: netbsd-help
Date: 07/05/2005 06:54:05
On 7/4/05, Mirla, Pavan Kumar <pavan@riverstonenet.com> wrote:
>=20
>=20
> Hi,
>=20
> I am facing a problem where I get error messages like " mclpool
> exhausted, increase NMBCLUSTERS". When I type in "netstat -m" I see big
> number of calls to protocol drain routines.
>=20
> I suspect a memory leak here.I wanted to know if we can free the mbufs
> dynamically before it reaches starvation.What are the possible causes
> for this situation.If you could provide pointers it will help me.I am
> stuck with this issue.
>=20
> This situation happens when I enable tcpdump on the interfaces.I need to
> have tcpdump on my interfaces to make my interfaces be in promisc mode.
>=20
> If you need the logs.I will provide them to you.
> I am using netBSD virtual machines instances using vmware sofware.

I'm not going to be the one to help you, but it might be nice to know
this stuff:

o NetBSD level (uname -a)
o What you did to troubleshoot already
o Did you increase nmbclusters and the same problem just keeps coming back?
o Whatever other useful information you have.

Andy