Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762786AbdLSMZb (ORCPT ); Tue, 19 Dec 2017 07:25:31 -0500 Received: from mx2.suse.de ([195.135.220.15]:33540 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762748AbdLSMZZ (ORCPT ); Tue, 19 Dec 2017 07:25:25 -0500 Date: Tue, 19 Dec 2017 13:25:23 +0100 From: Michal Kubecek To: Jonathan Woithe Cc: Holger =?iso-8859-1?Q?Hoffst=E4tte?= , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: r8169 regression: UDP packets dropped intermittantly Message-ID: <20171219122523.lhavmoxo3ippftyn@unicorn.suse.cz> References: <20171218054951.GJ17747@marvin.atrad.com.au> <20171218223224.GA13172@marvin.atrad.com.au> <20171219054532.GA13685@marvin.atrad.com.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20171219054532.GA13685@marvin.atrad.com.au> User-Agent: NeoMutt/20170421 (1.8.2) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 780 Lines: 16 On Tue, Dec 19, 2017 at 04:15:32PM +1030, Jonathan Woithe wrote: > This clearly indicates that not every card using the r8169 driver is > vulnerable to the problem. It also explains why Holger was unable to > reproduce the result on his system: the PCIe cards do not appear to suffer > from the problem. Most likely the PCI RTL-8169 chip is affected, but newer > PCIe variations do not. However, obviously more testing will be required > with a wider variety of cards if this inference is to hold up. The r8169 driver supports many slightly different variants of the chip. To identify your variant more precisely, look for a line like r8169 0000:02:00.0 eth0: RTL8168evl/8111evl at 0xffffc90003135000, d4:3d:7e:2a:30:08, XID 0c900800 IRQ 38 in kernel log. Michal Kubecek