From owner-freebsd-stable@FreeBSD.ORG Wed Aug 9 17:19:44 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 6598E16A4DE for ; Wed, 9 Aug 2006 17:19:44 +0000 (UTC) (envelope-from sthalik@tehran.lain.pl) Received: from mail.in5.pl (rollercoaster.insane.pl [213.251.173.13]) by mx1.FreeBSD.org (Postfix) with ESMTP id E8BB543D45 for ; Wed, 9 Aug 2006 17:19:41 +0000 (GMT) (envelope-from sthalik@tehran.lain.pl) Received: from c182-250.icpnet.pl ([85.221.182.250] helo=tehran.local) by mail.in5.pl with esmtpsa (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (envelope-from ) id 1GAriV-0001fn-CQ for freebsd-stable@freebsd.org; Wed, 09 Aug 2006 19:19:39 +0200 Received: from sthalik by tehran.local with local (Exim 4.62) (envelope-from ) id 1GAriA-0008OK-NX for freebsd-stable@freebsd.org; Wed, 09 Aug 2006 19:19:19 +0200 Date: Wed, 9 Aug 2006 19:19:17 +0200 From: Stanislaw Halik To: freebsd-stable@freebsd.org Message-ID: <20060809171917.GA32202@localhost.localdomain> Mail-Followup-To: freebsd-stable@freebsd.org References: <496795293.20060809195310@pacific.net.id> <44D9ECB9.5020500@goodforbusiness.co.uk> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="LZvS9be/3tNcYl/X" Content-Disposition: inline In-Reply-To: <44D9ECB9.5020500@goodforbusiness.co.uk> X-PGP-Key: http://tehran.lain.pl/public.key User-Agent: Mutt/1.5.12-2006-07-14 X-User: sthalik Subject: Re: Network often not responding 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: Wed, 09 Aug 2006 17:19:44 -0000 --LZvS9be/3tNcYl/X Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Aug 09, 2006, Dominic Marks wrote: >> Aug 9 15:09:16 cache kernel: xl0: transmission error: 90 >> Aug 9 15:09:16 cache kernel: xl0: tx underrun, increasing tx start=20 >> threshold to 120 bytes > dc%d: TX underrun -- increasing TX threshold The device generated a > transmit underrun error while attempting to DMA and transmit a packet. > This happens if the host is not able to DMA the packet data into the ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > NIC's FIFO fast enough. The driver will dynamically increase the ~~~~~~~~~~~~~~~~~~~~~~ > trans- mit start threshold so that more data must be DMAed into the > FIFO before the NIC will start transmitting it onto the wire." > So it would seem like the card cannot keep pace with the system. What NICs ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > have you tried? Basing on the quoted text, isn't it the opposite? --=20 I saw `cout' being shifted "Hello world" times to the left and stopped right there. -- Steve Gonedes --LZvS9be/3tNcYl/X Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) iD8DBQFE2hkVadU+vjT62TERAl+gAJ9Gi7evICInCJKh65Wa6myWlYwPQgCfbC+X IRUaH/80zu2tTv6PYpMAhX8= =kmQJ -----END PGP SIGNATURE----- --LZvS9be/3tNcYl/X--