From owner-freebsd-stable@FreeBSD.ORG Wed Feb 4 11:36:59 2009 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D97B0106566C for ; Wed, 4 Feb 2009 11:36:59 +0000 (UTC) (envelope-from mah@jump-ing.de) Received: from mail.ud03.udmedia.de (ud03.udmedia.de [194.117.254.43]) by mx1.freebsd.org (Postfix) with ESMTP id 215C18FC1C for ; Wed, 4 Feb 2009 11:36:58 +0000 (UTC) (envelope-from mah@jump-ing.de) DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=mail.ud03.udmedia.de; h= in-reply-to:references:mime-version:content-type:message-id:cc: content-transfer-encoding:from:subject:date:to; q=dns/txt; s= beta; bh=1TNKWq39BO/XMO5f7VnmEfT0ztQQGur5lYks/BCoJfE=; b=GnMCnD5 hIXSSI6yn7IXTKch2iV8naHdmXfk4fD3nnXLxW5D9m0AgpjFs+yR8Xqk6JOVaKYl bQz8LljDx5x7RvxNzgr0EDqfW/ELI4hR2NT34fV0GJdobTjJx1m4C8gUwWRGb40i LIfbbG8vAG877YcUj6sB57AJE4UuJW9b7omU= Received: (qmail 3642 invoked from network); 4 Feb 2009 12:10:16 +0100 Received: from unknown (HELO ?10.0.0.50?) (ud03?291p1@78.42.122.63) by mail.ud03.udmedia.de with ESMTPA; 4 Feb 2009 12:10:16 +0100 In-Reply-To: <20090204100507.5f223d9e.gerrit@pmp.uni-hannover.de> References: <20090204100507.5f223d9e.gerrit@pmp.uni-hannover.de> Mime-Version: 1.0 (Apple Message framework v753.1) Content-Type: text/plain; charset=ISO-8859-1; delsp=yes; format=flowed Message-Id: <32A4E84E-8EC9-4197-91E9-F50EA60C4EF2@jump-ing.de> Content-Transfer-Encoding: quoted-printable From: Markus Hitter Date: Wed, 4 Feb 2009 12:10:14 +0100 To: =?ISO-8859-1?Q?Gerrit_K=FChn?= X-Mailer: Apple Mail (2.753.1) Cc: stable@freebsd.org Subject: Re: fun with if_re 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, 04 Feb 2009 11:37:00 -0000 Am 04.02.2009 um 10:05 schrieb Gerrit K=FChn: > After the last update (11th December 2008) I have noticed the =20 > following > strange behaviour on at least two machines (identical hard- and =20 > software): > After weeks of flawless operation, the network connection on both > interfaces suddenly starts to mangle packages. Even a simple ping =20 > can show > up to 50% or so package loss. The machine is mostly unreachable via =20= > net. > ifconfig up/down did not cure this, turning off checksum-offloading > and stuff did not help. Even simply rebooting the machine did not =20 > make the > problem go away! I had to power-cycle them by unplugging all cables =20= > to get > back to normal operation. I've seen a similar, but fully reproducible behavior on this ethernet =20= hardware. It turned out to be not a problem of the driver: http://www.FreeBSD.org/cgi/query-pr.cgi?pr=3Dkern/130957 > Is it > possible to use if_re from head as drop-in replacement to test the =20 > patches > available after 12/09? The other way, using an older if_re, worked by replacing sys/dev/re/=20 if_re.c, sys/pci/if_rlreg.h and sys/pci/if_rl.c, so the answer ist =20 likely "yes". MarKus - - - - - - - - - - - - - - - - - - - Dipl. Ing. Markus Hitter http://www.jump-ing.de/