From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kieran Mansley Subject: Re: TCPBacklogDrops during aggressive bursts of traffic Date: Tue, 15 May 2012 17:29:24 +0100 Message-ID: <1337099368.1689.47.camel@kjm-desktop.uk.level5networks.com> References: <1337092718.1689.45.camel@kjm-desktop.uk.level5networks.com> <1337093776.8512.1089.camel@edumazet-glaptop> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: To: Eric Dumazet Return-path: Received: from webmail.solarflare.com ([12.187.104.25]:10641 "EHLO ocex02.SolarFlarecom.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S965661Ab2EOQ33 (ORCPT ); Tue, 15 May 2012 12:29:29 -0400 In-Reply-To: <1337093776.8512.1089.camel@edumazet-glaptop> Sender: netdev-owner@vger.kernel.org List-ID: On Tue, 2012-05-15 at 16:56 +0200, Eric Dumazet wrote: > > Please try latest kernels, this is probably 'fixed' I've just tried with 3.4.0-rc7 and the problem is still reproducible. It's perhaps harder to reproduce than on 3.3.6 but still there. > What network driver are you using ? The receiver is using the sfc driver that is included in the kernel build, together with an SFC 9020 NIC. Kieran