From owner-freebsd-current Thu Dec 12 11:23:54 2002 Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8D73537B401 for ; Thu, 12 Dec 2002 11:23:52 -0800 (PST) Received: from obsecurity.dyndns.org (adsl-64-169-104-228.dsl.lsan03.pacbell.net [64.169.104.228]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9B19943ED1 for ; Thu, 12 Dec 2002 11:23:49 -0800 (PST) (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 7D0BD66BE3; Thu, 12 Dec 2002 11:23:38 -0800 (PST) Received: by rot13.obsecurity.org (Postfix, from userid 1000) id 6941313AA; Thu, 12 Dec 2002 11:23:10 -0800 (PST) Date: Thu, 12 Dec 2002 11:23:10 -0800 From: Kris Kennaway To: Garrett Wollman Cc: Nate Lawson , current@FreeBSD.ORG Subject: Re: if_fxp and pause packets (or, "I didn't need the network anyway") Message-ID: <20021212192310.GA8113@rot13.obsecurity.org> References: <200212121704.gBCH4DiF010233@khavrinen.lcs.mit.edu> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="liOOAslEiF7prFVr" Content-Disposition: inline In-Reply-To: <200212121704.gBCH4DiF010233@khavrinen.lcs.mit.edu> User-Agent: Mutt/1.4i Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG --liOOAslEiF7prFVr Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Dec 12, 2002 at 12:04:13PM -0500, Garrett Wollman wrote: > < s= aid: >=20 > > I've noticed this too with fxp. It only happens while in ddb and I > > thought it was my fault (I was debugging some networking problems). >=20 > It happens when the NIC's receive queue fills up. When you're in DDB, > the kernel is not answering network interrupts. One of my machines has an fxp that likes to do this while the machine is still up -- perhaps it's just a manifestation of 5.0's higher interrupt latency. Kris --liOOAslEiF7prFVr Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (FreeBSD) iD8DBQE9+OIdWry0BWjoQKURAg87AJ9e3+RcyHVSaTn+fbxBknrmKuHWHwCgy45/ 3rlcFWQ2mvKD2GqKZF57mUM= =5eSu -----END PGP SIGNATURE----- --liOOAslEiF7prFVr-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message