From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gary Thomas <gthomas@redhat.com>
To: Carl van Schaik <carl@leg.uct.ac.za>
Cc: Ecos Mailing List <ecos-discuss@sources.redhat.com>
Subject: RE: [ECOS] high bandwidth network problems
Date: Wed, 06 Sep 2000 05:13:00 -0000
Message-id: <XFMail.20000906061319.gthomas@redhat.com>
References: <Pine.LNX.4.10.10009061244170.11871-100000@dreamcoat.che.uct.ac.za>
X-SW-Source: 2000-09/msg00057.html

On 06-Sep-2000 Carl van Schaik wrote:
> Hi
> 
> I have my board connected to our backbone which has a huge ammount of
> broadcast traffic continously (nearly 2000 machines), after a while, ecos
> starts spewing out messages: and stops responding to network traffic.
> 
> warning: eth_recv out of MBUFs
> setsoftnet
> 
> Can anyone tell me what the setsoftnet is supposed to do? Do I have to 
> implement somthing in the network driver? What can I do to
> prevent this from occuring?
> 

Try increasing the number of mbufs.  Set the configuration parameter
CYGPKG_NET_MEM_USAGE to something larger (the default is 256*1024).

Do you have the latest code from CVS?  I seem to recall something in there
about an mbuf memory leak which was fixed recently.  This might help.