From owner-freebsd-net@FreeBSD.ORG Sat Oct 9 20:57:21 2004 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D474216A4CE; Sat, 9 Oct 2004 20:57:21 +0000 (GMT) Received: from obsecurity.dyndns.org (CPE0050040655c8-CM00111ae02aac.cpe.net.cable.rogers.com [69.194.102.143]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8523D43D31; Sat, 9 Oct 2004 20:57:21 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id D9C8551491; Sat, 9 Oct 2004 13:59:10 -0700 (PDT) Date: Sat, 9 Oct 2004 13:59:10 -0700 From: Kris Kennaway To: Gleb Smirnoff Message-ID: <20041009205910.GA55544@xor.obsecurity.org> References: <20041009033900.GA6751@xor.obsecurity.org> <20041009084038.GB5940@cell.sick.ru> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="d6Gm4EdcadzBjdND" Content-Disposition: inline In-Reply-To: <20041009084038.GB5940@cell.sick.ru> User-Agent: Mutt/1.4.2.1i cc: net@freebsd.org cc: current@freebsd.org cc: Kris Kennaway Subject: Re: Infinite loop in tcp_output on RELENG_5 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 09 Oct 2004 20:57:22 -0000 --d6Gm4EdcadzBjdND Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Oct 09, 2004 at 12:40:38PM +0400, Gleb Smirnoff wrote: > On Fri, Oct 08, 2004 at 08:39:00PM -0700, Kris Kennaway wrote: > K> This might be related to SACK, which is one of the situations where we > K> loop back to the again label, but that's just a guess. >=20 > Does it panics with net.inet.tcp.sack.enable=3D0 ? Trying that now..it's been up overnight but not heavily loaded yet. Kris --d6Gm4EdcadzBjdND Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQFBaFEeWry0BWjoQKURAogKAJ9eofkbRKCezgYv1ygiyMYLeEOprwCgnT5e UHwrhSUjSgDED49A0LjCtcI= =RAMA -----END PGP SIGNATURE----- --d6Gm4EdcadzBjdND--