From owner-freebsd-questions Wed Dec 1 14: 5:59 1999 Delivered-To: freebsd-questions@freebsd.org Received: from ns.clientlogic.com (ns.clientlogic.com [207.51.66.75]) by hub.freebsd.org (Postfix) with ESMTP id D229714F94 for ; Wed, 1 Dec 1999 14:05:56 -0800 (PST) (envelope-from ChrisMic@clientlogic.com) Received: by site0s1 with Internet Mail Service (5.5.2650.21) id ; Wed, 1 Dec 1999 17:05:49 -0500 Message-ID: <6C37EE640B78D2118D2F00A0C90FCB4401105DDD@site2s1> From: Christopher Michaels To: 'Sheldon Hearn' , mideyon Cc: freebsd-questions@FreeBSD.ORG Subject: RE: nmap question Date: Wed, 1 Dec 1999 17:05:49 -0500 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2650.21) Content-Type: text/plain Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG As flakey as my memory is. I believe increasing maxusers resolved this problem for me when I had it. -Chris > -----Original Message----- > From: Sheldon Hearn [SMTP:sheldonh@uunet.co.za] > Sent: Monday, November 29, 1999 6:37 AM > To: mideyon > Cc: freebsd-questions@FreeBSD.ORG > Subject: Re: nmap question > > > > On Sat, 27 Nov 1999 00:50:53 CST, mideyon wrote: > > > sendto in send_tcp_raw: sendto(3, packet, 40, 0, x.x.x.x, 16) => No > > buffer space available > > Sleeping 15 seconds then retrying > > > > it keeps doing this > > What release of FreeBSD are you using? Try watching mbuf utilization > while you're running nmap, ideally in another xterm or on another > console. You can do this with: > > while true; do netstat -m ; sleep 1 ; done > > Once you have a screen's worth of data, watching the output should get > easier on the eyes. :-) > > Particularly, watch the "mbufs in use" ratio. If you notice it > approaching 100% utilization, you may want to consider running a kernel > compiled with a higher maxusers (or NMBCLUSTERS). > > I'm not sure that this has anything at all to do with our problem, but > it's worth a shot to try in the meantime while you're waiting for more > clueful responses. > > Ciao, > Sheldon. > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message