Subject: Re: No buffer space available
To: Mike Pumford <mpumford@mpc-data.co.uk>
From: S.J. Borrill <sjb42@cus.cam.ac.uk>
List: port-arm32
Date: 07/20/1998 16:31:13
On Mon, 20 Jul 1998, Mike Pumford wrote:

> > slower and eventually hangs. If I try to ping anywhere , I get the 
> > error 'No buffer space available'. netstat shows thaht about 38 
> > sockets are being used and much of these are in a wait state. After a 
> > few minutes, the tcp connections time out, the sockets are freed up 
> > and everything works again for a small while. I presume this is like 
> > mbuf exhaustion under RISC OS.
> > How do I get around the problem?
> > 
> I think that the number of mbufs is controlled by the NMBCLUSTERS kernel
> config option. I think this defaults to 1024 if not explicitly set in
> the kernel config.

I see. It is in man options and the default is set in
/usr/include/machine/param.h. The default is 256  (or 512 on a GATEWAY
machine). I'll try increasing it and see if it helps.

Stephen