From owner-freebsd-stable@FreeBSD.ORG Sat Oct 21 23:09:43 2006 Return-Path: X-Original-To: freebsd-stable@FreeBSD.org Delivered-To: freebsd-stable@FreeBSD.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D010116A415; Sat, 21 Oct 2006 23:09:43 +0000 (UTC) (envelope-from kris@obsecurity.org) Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4F02243D49; Sat, 21 Oct 2006 23:09:43 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: from obsecurity.dyndns.org (elvis.mu.org [192.203.228.196]) by elvis.mu.org (Postfix) with ESMTP id 34ABA1A3C1C; Sat, 21 Oct 2006 16:09:43 -0700 (PDT) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 67ACF51232; Sat, 21 Oct 2006 19:09:41 -0400 (EDT) Date: Sat, 21 Oct 2006 19:09:41 -0400 From: Kris Kennaway To: Gleb Smirnoff Message-ID: <20061021230941.GA15744@xor.obsecurity.org> References: <2a41acea0610181531y732cd5sa7bf733cc445491c@mail.gmail.com> <20061018171704.A3851@demos.bsdclusters.com> <4537C126.5000207@FreeBSD.org> <2a41acea0610191140j13d43e12q72fc7697652e222a@mail.gmail.com> <20061019190221.GH71000@droso.net> <2a41acea0610191418q6c6fac45xdd9ad824bd6cae2f@mail.gmail.com> <20061021061706.GN40362@FreeBSD.org> <20061021165752.GA9681@xor.obsecurity.org> <20061021173250.GB75694@cell.sick.ru> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="gKMricLos+KVdGMg" Content-Disposition: inline In-Reply-To: <20061021173250.GB75694@cell.sick.ru> User-Agent: Mutt/1.4.2.2i Cc: freebsd-stable@FreeBSD.org, Jack Vogel , Kris Kennaway Subject: Re: em network issues X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 21 Oct 2006 23:09:43 -0000 --gKMricLos+KVdGMg Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Oct 21, 2006 at 09:32:50PM +0400, Gleb Smirnoff wrote: > On Sat, Oct 21, 2006 at 12:57:52PM -0400, Kris Kennaway wrote: > K> On Sat, Oct 21, 2006 at 10:17:06AM +0400, Gleb Smirnoff wrote: > K> > On Thu, Oct 19, 2006 at 02:18:13PM -0700, Jack Vogel wrote: > K> > J> The engineer in our test group has installed 6.2 BETA2 and attemp= ted via a > K> > J> number of tests to reproduce this problem, the machine even share= s the em > K> > J> interrupt with usb, and yet so far he has been unsuccessful. > K> >=20 > K> > I've failed to reproduce on a system where IRQ was shared between em= (4) > K> > and fxp(4). I've put traffic on both, but failed to reproduce. Proba= bly > K> > shared IRQ is required, but not sufficient. > K>=20 > K> Note what I've said a couple of times now...blasting packets out over > K> the shared em doesn't trigger it for me either. I can trigger it by > K> fetching via FTP from a remote machine over the em. >=20 > I suppose the TCP_STREAM test from the netperf is the same as ftp > fetch. Maybe, but why not just try fetch? ;) FYI, I still get timeouts from fetch on a shared em/fxp irq with DEVICE_POLLING configured. Turning on INTR_MPSAFE in the driver is the only known "fix" so far for this condition. Kris --gKMricLos+KVdGMg Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (FreeBSD) iD8DBQFFOqi0Wry0BWjoQKURAt3tAJ9+m3+l/IYt/SvwndCVuYSiQtjixACgix1J 8r91RNiWeqH6eNNctyLQ044= =Ex1s -----END PGP SIGNATURE----- --gKMricLos+KVdGMg--