From mboxrd@z Thu Jan 1 00:00:00 1970 From: Denys Fedoryshchenko Subject: Re: packetloss, on e1000e worse than r8169? Date: Tue, 17 Jun 2008 09:46:17 +0300 Message-ID: <200806170946.17351.denys@visp.net.lb> References: <20080616193501.M64730@visp.net.lb> <20080616220841.M50112@visp.net.lb> <36D9DB17C6DE9E40B059440DB8D95F52056AC4C2@orsmsx418.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Cc: "Eric Dumazet" , netdev@vger.kernel.org To: "Brandeburg, Jesse" Return-path: Received: from relay2.globalproof.net ([194.146.153.25]:52727 "EHLO relay2.globalproof.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751942AbYFQGqS (ORCPT ); Tue, 17 Jun 2008 02:46:18 -0400 In-Reply-To: <36D9DB17C6DE9E40B059440DB8D95F52056AC4C2@orsmsx418.amr.corp.intel.com> Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-ID: On Tuesday 17 June 2008 02:24, Brandeburg, Jesse wrote: First, i catch when tx_deferred_ok increasing, rx_missed_errors also increasing. For example deffered +1 , missed_errors +10. A bit strange. > Try turning off Flow Control using ethtool -A ethX rx off tx off autoneg > off Well, seems it is a keypoint on new motherboard, but i have to see at peak time still (about 10-14 hours to go). So the question is, or flow control is broken here, or it is unknown when i must use flow-control and when - not. Once i had packetloss on e1000 gigabit link, without it. Now it is packetloss - when i start to use it. -- ------ Technical Manager Virtual ISP S.A.L. Lebanon