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=-5.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 C67F9C388F2 for ; Mon, 2 Nov 2020 08:14:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 62A5A2225E for ; Mon, 2 Nov 2020 08:14:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="PN788bOf" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728117AbgKBIO4 (ORCPT ); Mon, 2 Nov 2020 03:14:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46804 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728132AbgKBION (ORCPT ); Mon, 2 Nov 2020 03:14:13 -0500 Received: from mail-wr1-x444.google.com (mail-wr1-x444.google.com [IPv6:2a00:1450:4864:20::444]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 50BA9C0617A6 for ; Mon, 2 Nov 2020 00:14:13 -0800 (PST) Received: by mail-wr1-x444.google.com with SMTP id 33so2641428wrl.7 for ; Mon, 02 Nov 2020 00:14:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=O5GOyUIxXz28PsstTdZ2miQXR8iTJbYvbl6yBHVU9nc=; b=PN788bOfPHcLJH7wFHuBziPW5UsobCNUVV1yGtCXIQpJU7UO78lMe0jMgtIsMcT+Zg CUJ8CG4wfFZgboOFixTj++7GkHT7XMpicOivbSrvqFEjtcV7ROBcfd2KtO/zLsOu/DDd 2eHvmmIeDZMSiB/LpUKjPshiHloo3O5e/6BeJ7kmF9Ig/BIAcN9UqhPvAMznNvHGXi4m TsC6iDJNn/JiIupI+Ue6kGmk+loBrsV8kQovCsm8QI4zCMrLj/MwJ14JQRiCBMtXKS+o AgKdKrHmZR81PD3/Y/SVpiQai8IeZnbxDLcsShdP0PaeCcBiLIiUZ33Bu9qiTITg/5oH FfuQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=O5GOyUIxXz28PsstTdZ2miQXR8iTJbYvbl6yBHVU9nc=; b=ZYCPYaB91AFSCHuC8XgzTrFT7aTk3IQQPqWEAwHDkZiCLL32eiZokz68EsSDwJsQUU tdSJ2eKl8XFBj56euqZGpUJAoMTGSi59t+INIKg7G8g/lYkY8sJY6JiVDcn536u0f/ym cAJVRBQ6dThyu/gZzs+REfgyhSCrj+6qiLT65QwIqC9eE7QnC8Gm08c1klvuZZ1GdtW4 59O978dDJ/RdBaT0a3PajEUa2cq32W/3SpZYtTblEvUCi1eQHiDNgEcYS4rOYOAXBM8H jmM/Yx9NLNsV0r3MRNYeXw4kFi4mDXH44KwcADGfiI0mHGhogR94xq1AwE3kPaqkaMi+ 7XOw== X-Gm-Message-State: AOAM532Ov2ovKzMS4b0D+08OOQwzli77bw24e84f/uPf5NiRbEqyFTDV kwQNQQECqmqWICYONipP1eFuWCLdB8Y= X-Google-Smtp-Source: ABdhPJyG9TAW9vaIufHm77MXgbaCkaxj8zIdnIGHZ93n6M/JTn8dDpIu1ptajSlp8paTpmcQNiFfLg== X-Received: by 2002:adf:e582:: with SMTP id l2mr18571818wrm.293.1604304851790; Mon, 02 Nov 2020 00:14:11 -0800 (PST) Received: from ?IPv6:2003:ea:8f23:2800:7ce1:60e1:9597:1002? (p200300ea8f2328007ce160e195971002.dip0.t-ipconnect.de. [2003:ea:8f23:2800:7ce1:60e1:9597:1002]) by smtp.googlemail.com with ESMTPSA id n4sm5541530wrv.13.2020.11.02.00.14.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 02 Nov 2020 00:14:11 -0800 (PST) Subject: Re: Fwd: Problem with r8169 module To: Gilberto Nunes , netdev@vger.kernel.org References: From: Heiner Kallweit Message-ID: Date: Mon, 2 Nov 2020 09:14:06 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 02.11.2020 04:36, Gilberto Nunes wrote: > Hi there > > I am in trouble when using newer kernels than 5.4.x regarding Realtek NIC r8169 > > Kernel 5.9.2-050902-lowlatency (from > https://kernel.ubuntu.com/~kernel-ppa/mainline/ and also compiled from > kernel.org) > > Generic FE-GE Realtek PHY r8169-101:00: Downshift occurred from > negotiated speed 1Gbps to actual speed 100Mbps, check cabling! > r8169 0000:01:00.1 enp1s0f1: Link is Up - 100Mbps/Full (downshifted) - > flow control rx/tx > > Kernel 5.4.73-050473-lowlatency (from > https://kernel.ubuntu.com/~kernel-ppa/mainline/) > > IPv6: ADDRCONF(NETDEV_CHANGE): enp1s0f1: link becomes ready > r8169 0000:01:00.1 enp1s0f1: Link is Up - 1Gbps/Full - flow control rx/tx > > Cable is ok! I double check it.... > The downshift hint didn't exist yet in 5.4. Can you check what the actual link speed is under 5.4 (e.g. using iperf3). Under 5.9: Does the downshift happen directly when the link is initially established, or after some time? If link speed actually differs, then please: - provide full dmesg log - ideally do a git bisect to find the offending commit (as issue most likely is chip version / system dependent) > > > > > --- > Gilberto Nunes Ferreira >