From owner-freebsd-stable@FreeBSD.ORG Fri Apr 15 09:12:48 2005 Return-Path: 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 9D4D316A4CE for ; Fri, 15 Apr 2005 09:12:48 +0000 (GMT) Received: from post.00t.org (feynman.00t.org [217.160.135.158]) by mx1.FreeBSD.org (Postfix) with ESMTP id E4AF343D53 for ; Fri, 15 Apr 2005 09:12:47 +0000 (GMT) (envelope-from kpanic@00t.org) Received: from [172.24.0.14] (p548C962B.dip.t-dialin.net [84.140.150.43]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by post.00t.org (Postfix) with ESMTP id E0A65192DE for ; Fri, 15 Apr 2005 11:12:45 +0200 (CEST) Message-ID: <425F859D.1040101@00t.org> Date: Fri, 15 Apr 2005 11:13:01 +0200 From: Ulrik Guenther User-Agent: Mozilla Thunderbird 1.0 (X11/20050309) X-Accept-Language: en-us, en MIME-Version: 1.0 To: freebsd-stable@freebsd.org X-Enigmail-Version: 0.89.6.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Subject: xl0: transmission error: 90 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: kpanic@00t.org List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Apr 2005 09:12:48 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi everyone, on my 5.4-RC1 installation with a 3com 3c905B NIC I got the following messages while transferring a big file (31GByte) over 100MBit ethernet: Apr 15 08:46:18 verleihnix kernel: xl0: transmission error: 90 Apr 15 08:46:18 verleihnix kernel: xl0: tx underrun, increasing tx start threshold to 120 bytes Apr 15 08:46:18 verleihnix kernel: xl0: transmission error: 90 Apr 15 08:46:18 verleihnix kernel: xl0: tx underrun, increasing tx start threshold to 180 bytes Apr 15 08:46:19 verleihnix kernel: xl0: transmission error: 90 Apr 15 08:46:19 verleihnix kernel: xl0: tx underrun, increasing tx start threshold to 240 bytes Apr 15 08:46:19 verleihnix kernel: xl0: transmission error: 90 Apr 15 08:46:19 verleihnix kernel: xl0: tx underrun, increasing tx start threshold to 300 bytes Apr 15 08:46:21 verleihnix kernel: xl0: transmission error: 90 Apr 15 08:46:21 verleihnix kernel: xl0: tx underrun, increasing tx start threshold to 360 bytes Apr 15 08:47:29 verleihnix kernel: xl0: transmission error: 90 Apr 15 08:47:29 verleihnix kernel: xl0: tx underrun, increasing tx start threshold to 420 bytes So, okay the threshold was increaed in 60byte steps from 120 to 420 bytes, then it stopped. This procedure took place only during the first gigabytes of the transmission. I noticed no negative side effects (say: the file arrived completely on the other computer, checksum was okay as well). Transmission was done via SSH/SCP. Now my question: What do these messages from the xl(4) mean? Thanks in advance, Ulrik Guenther -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFCX4Wdy06DkvPH780RAqnLAKCHdbJGj8obBnHpyj7BHvWGeNbf6QCgm/lK FEnMYakL4j4YcH/vUaPGGbA= =ghm3 -----END PGP SIGNATURE-----