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Date:      Tue, 27 Nov 2001 20:36:04 -0700 (MST)
From:      "Forrest W. Christian" <forrestc@imach.com>
To:        Jeff Lynch <jeff@mercury.jorsm.com>
Cc:        Kal Torak <kaltorak@quake.com.au>, FreeBSD ISP <freebsd-isp@FreeBSD.ORG>
Subject:   Re: Whats with this -> sendto: No buffer space available
Message-ID:  <Pine.BSF.4.21.0111272035460.22748-100000@workhorse.iMach.com>
In-Reply-To: <Pine.BSF.4.21.0111272111070.32035-100000@mercury.jorsm.com>

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What does a netstat -m show when this occurs?

I suspect you don't have enough mbufs.

On Tue, 27 Nov 2001, Jeff Lynch wrote:

> Date: Tue, 27 Nov 2001 21:13:47 -0600 (CST)
> From: Jeff Lynch <jeff@mercury.jorsm.com>
> To: Kal Torak <kaltorak@quake.com.au>
> Cc: FreeBSD ISP <freebsd-isp@FreeBSD.ORG>
> Subject: Re: Whats with this -> sendto: No buffer space available
> 
> Funny you should mention this. We see the same thing
> with a vtun pipe and the tun device. Have to take the
> ppp interface down and up to get traffic flowing again.
> 
> --jeff
> 
> On Wed, 28 Nov 2001, Kal Torak wrote:
> 
> > This keeps happening...
> > 
> > I have adsl running on my gateway using pppoe with userppp
> > and its internal nat enabled, also a fairly simple ipfw config
> > blocking a few ports...
> > 
> > Now every so often all data stops and checking on the gateway
> > trying to send something I get the "sendto: No buffer space available"
> > error and have to reboot and everything is fine again...
> > 
> > It seems to happen at random, sometimes its fine for a week,
> > sometimes only a few days and it happens... There is nothing
> > of interest logged in ppp.log or security or messages...
> > 
> > What causes this buffer to fill up and not empty? Here in australia
> > telstras adsl is really crap and you often cant get more than 2
> > hops past the peer... Im wondering if its something to do with
> > apps like bitchx trying to constantly reconnect when the network
> > is down filling up the buffer???
> > 
> > But shouldnt the buffer eventualy empty as things time out or something?
> > There is really not that much that should be trying to connect besides
> > a few irc sessions...
> > 
> > Anyway any ideas? Should I tweek some settings? Increase the max users
> > in the kernel? This is a really annoying little problem...
> > 
> > Thanks!!
> > 
> > 
> > To Unsubscribe: send mail to majordomo@FreeBSD.org
> > with "unsubscribe freebsd-isp" in the body of the message
> > 
> 
> ============================================================================ 
> Jeffrey A. Lynch		| JORSM Internet, Regional Internet Services
> email: jeff@jorsm.com		| 7 Area Codes in Chicagoland and NW Indiana
> Voice: (219)322-2180		| 100Mbps+ Connectivity, 56K-DS3, V.90, ISDN
> Autoresponse: info@jorsm.com	| Quality Service, Affordable Prices
> http://www.jorsm.com		| Serving Gov, Biz, Residential Since 1995
> 
> 
> To Unsubscribe: send mail to majordomo@FreeBSD.org
> with "unsubscribe freebsd-isp" in the body of the message
> 

- Forrest W. Christian (forrestc@imach.com) AC7DE
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