From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gary Thomas To: (Andrew Lunn) Cc: ecos-discuss@sources.redhat.com, carl@leg.uct.ac.za Subject: Re: [ECOS] high bandwidth network problems Date: Wed, 06 Sep 2000 05:24:00 -0000 Message-id: References: <200009061219.OAA01342@biferten.ma.tech.ascom.ch> X-SW-Source: 2000-09/msg00060.html On 06-Sep-2000 Andrew Lunn wrote: >> 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. > > Increasing the memory is not the real solution. The code will cope > with running out of mbufs, its a normal occurance. Whats wrong is > printing these messages. Printing these messages is a classic denial > of service problem. What it should do is limit the number of times it > prints it, to a maximum of one per second, or even not at all. > A reasonable observation. The messages are[were] there simply so we could see if the code was detecting such conditions and doing the right thing. If they messages themselves are getting in the way, just nuke 'em.