From owner-cvs-src@FreeBSD.ORG Thu May 15 19:19:58 2003 Return-Path: Delivered-To: cvs-src@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6317A37B401; Thu, 15 May 2003 19:19:58 -0700 (PDT) Received: from obsecurity.dyndns.org (adsl-67-115-75-172.dsl.lsan03.pacbell.net [67.115.75.172]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0DDB143F3F; Thu, 15 May 2003 19:19:57 -0700 (PDT) (envelope-from kris@obsecurity.org) Received: from rot13.obsecurity.org (rot13.obsecurity.org [10.0.0.5]) by obsecurity.dyndns.org (Postfix) with ESMTP id C722766B9B; Thu, 15 May 2003 19:19:56 -0700 (PDT) Received: by rot13.obsecurity.org (Postfix, from userid 1000) id A412615B8; Thu, 15 May 2003 19:19:56 -0700 (PDT) Date: Thu, 15 May 2003 19:19:56 -0700 From: Kris Kennaway To: Robert Watson Message-ID: <20030516021956.GA8711@rot13.obsecurity.org> References: <200305160113.h4G1DHqN090638@repoman.freebsd.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="NzB8fVQJ5HfG6fxh" Content-Disposition: inline In-Reply-To: <200305160113.h4G1DHqN090638@repoman.freebsd.org> User-Agent: Mutt/1.4i cc: cvs-src@FreeBSD.org cc: src-committers@FreeBSD.org cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/dev/fxp if_fxp.c X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 May 2003 02:19:59 -0000 --NzB8fVQJ5HfG6fxh Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, May 15, 2003 at 06:13:17PM -0700, Robert Watson wrote: > rwatson 2003/05/15 18:13:17 PDT >=20 > FreeBSD src repository >=20 > Modified files: > sys/dev/fxp if_fxp.c=20 > Log: > Add a tunable/sysctl "hw.fxp_noflow" which disables flow control support > on if_fxp cards. When flow control is enabled, if the operating system > doesn't acknowledge the packet buffer filling, the card will begin to > generate ethernet quench packets, but appears to get into a feedback > loop of some sort, hosing local switches. This is a temporary workarou= nd > for 5.1: the ability to configure flow control should probably be > exposed by some or another management interface on ethernet link layer > devices. Yay! This periodically hosed one of my 4.x boxes until I added a hack from Peter to turn it off. Can this be back-ported at some point? Kris --NzB8fVQJ5HfG6fxh Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (FreeBSD) iD8DBQE+xErMWry0BWjoQKURAp20AJ9ViWkuXvDUf6RGP7sCLsCpoCBVwACfUegh xcHILvH/vMGzwABEkvkZvoQ= =PJyr -----END PGP SIGNATURE----- --NzB8fVQJ5HfG6fxh--