Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 1 Dec 1999 17:05:49 -0500 
From:      Christopher Michaels <ChrisMic@clientlogic.com>
To:        'Sheldon Hearn' <sheldonh@uunet.co.za>, mideyon <leoric@fastlane.net>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   RE: nmap question 
Message-ID:  <6C37EE640B78D2118D2F00A0C90FCB4401105DDD@site2s1>

next in thread | raw e-mail | index | archive | help
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




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?6C37EE640B78D2118D2F00A0C90FCB4401105DDD>