From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E9BA9ECDE43 for ; Mon, 22 Oct 2018 00:09:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9875820869 for ; Mon, 22 Oct 2018 00:09:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9875820869 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=atrad.com.au Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728082AbeJVIZW (ORCPT ); Mon, 22 Oct 2018 04:25:22 -0400 Received: from server.atrad.com.au ([150.101.241.2]:46106 "EHLO server.atrad.com.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726813AbeJVIZW (ORCPT ); Mon, 22 Oct 2018 04:25:22 -0400 Received: from marvin.atrad.com.au (IDENT:1008@marvin.atrad.com.au [192.168.0.2]) by server.atrad.com.au (8.15.2/8.14.9) with ESMTPS id w9M01WTl010222 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Mon, 22 Oct 2018 10:31:34 +1030 Date: Mon, 22 Oct 2018 10:31:32 +1030 From: Jonathan Woithe To: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org Subject: Re: r8169 regression: UDP packets dropped intermittantly Message-ID: <20181022000132.GD27585@marvin.atrad.com.au> References: <20171218054951.GJ17747@marvin.atrad.com.au> <20171218223224.GA13172@marvin.atrad.com.au> <20171219054532.GA13685@marvin.atrad.com.au> <20171219122523.lhavmoxo3ippftyn@unicorn.suse.cz> <20171220052011.GN8641@marvin.atrad.com.au> <20180115065658.GI16419@marvin.atrad.com.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180115065658.GI16419@marvin.atrad.com.au> User-Agent: Mutt/1.10.1 (2018-07-13) X-MIMEDefang-action: accept X-Scanned-By: MIMEDefang 2.79 on 192.168.0.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 15, 2018 at 05:26:59PM +1030, Jonathan Woithe wrote: > Is there any more information that can be provided (or tests done) to assist > in tracking this problem down? Based on the tests done in December it seems > that the problem only affects specific RTL-8169 variants, with most being > ok. Is it a case that we simply need to accept that for the greater good > commit da78dbff2e05630921c551dbbc70a4b7981a8fff has permanently broken > Netgear GA311 [1] network cards with respect to these UDP packets and that > nothing can be done? For future reference, commit 6b839b6cf9eada30b086effb51e5d6076bafc761 ("r8169: fix NAPI handling under high load") appears to have fixed the regression documented by this thread. Thanks to Heiner Kallweit for the work which lead to this solution. Regards jonathan > [1] Or perhaps any using the RTL8110s variant.