From owner-freebsd-stable Mon May 13 16:17: 1 2002 Delivered-To: freebsd-stable@freebsd.org Received: from laptop.tenebras.com (laptop.tenebras.com [66.92.188.18]) by hub.freebsd.org (Postfix) with SMTP id 6B34837B401 for ; Mon, 13 May 2002 16:16:58 -0700 (PDT) Received: (qmail 65761 invoked from network); 13 May 2002 23:16:57 -0000 Received: from unknown (HELO tenebras.com) (192.168.1.123) by 0 with SMTP; 13 May 2002 23:16:57 -0000 Message-ID: <3CE04966.1060706@tenebras.com> Date: Mon, 13 May 2002 16:16:54 -0700 From: Michael Sierchio Reply-To: kudzu@tenebras.com User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:0.9.9) Gecko/20020416 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Andrew Reilly Cc: "Karl M. Joch" , stable@freebsd.org Subject: Re: 4.5 and mpd "no buffer space available on high load" ?? References: <3CDFEA8A.4070809@kmjeuro.com> <1021330624.8946.23.camel@gurney.reilly.home> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Andrew Reilly wrote: > I ran a script using jot to send ping packets across the link, with > sizes varying from 1300 to 2300 bytes, while also watching the link with > tcpdump. > > Only one ping failed (it didn't even get out), with the following error > message: > ping: sendto: Message too long > > I also saw a few "ip reassembly time exceeded" messages in tcpdump, but > I'm not sure whether they were correlated. > > Most of my problems seem to have gone away when I added "add allow all > from any to any frag" to my firewall script. Not sure how it ever > worked at all without that, though. Mind posting the IP addrs? I'd like to send you a few frags. ;-) Seriously, that's a workaround that wouldn't be acceptable here. I've noticed problems with some servers out *there* on the net, which send large TCP packets with DF set, but seemingly ignore the ICPM NEED FRAG error response. Ack. Pppt. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message