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=-2.7 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,SPF_HELO_NONE,SPF_PASS 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 48439C43461 for ; Tue, 13 Apr 2021 21:43:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 23752613BA for ; Tue, 13 Apr 2021 21:43:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346293AbhDMVn3 (ORCPT ); Tue, 13 Apr 2021 17:43:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40970 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232453AbhDMVn1 (ORCPT ); Tue, 13 Apr 2021 17:43:27 -0400 Received: from mail-wm1-x332.google.com (mail-wm1-x332.google.com [IPv6:2a00:1450:4864:20::332]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5CB08C061574; Tue, 13 Apr 2021 14:43:05 -0700 (PDT) Received: by mail-wm1-x332.google.com with SMTP id 12so9511183wmf.5; Tue, 13 Apr 2021 14:43:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:message-id:date:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=eiLeFo46Rn6jFD4qbRYug48gMNdjyaC06w0K3o+QUEo=; b=Lvqya2HGFFdlBx0lglvqYzcK6Tzy8OPau40Ff3+tkvM70XHAtV4s3qH6vUZEAnMI3V JCA/zf3fSmoihOttq1ySAOB8VRym9citz2hxqEtEkCjUW9+HkCSvgn7K7K2CkNehoZy9 aO5RDsovV864ARfRfi5RjPWCkqGtuHambjJftaJ7uz/HJehv//so+GcYHBs9REOOnGPD JvCLahT5KXcfHwzfjnFAj7sWqeQaAaWeplxHv+SMpIzSLKDXZ+SSbIgnJ7gMzf4LgF/V 2vvhwczffv3QYxY8v1835xX+VKOfJazm/4K9RoxsJKtLzM4LJydughUKCv4Im8f/v+zo gklw== 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 :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=eiLeFo46Rn6jFD4qbRYug48gMNdjyaC06w0K3o+QUEo=; b=Vq+vJbk41F5ZZ8e7xQztjFHuqS9xCflwWGsREBg90tHq0nOSa+OU32jIwQGunIQosx HnnevZjik/Bo9TVmoQFX3JNwOwCx8D7/GUyy+Qav0a8UvUbrcKJJqI845kGesdyjxICH Y2x4orMwXKF8nc0aXSPLN+jt7Y8oyCRx5OCsybT06A1pi+7jnTLAMhPKH7sLwtJ/Nnax osDVoEUf/WgduFu9lz+ZaKCGmr9pOyDgGRqOGNklKv+f/L6C2Zl/BazmZzV5vhYrVNY6 mDYdqnsNN67cYPPMav3E4JNdXRkXXP3gs9bBwo3hp2ACJ6u4SuRiQGJb4UxySgQHXN8P EgPQ== X-Gm-Message-State: AOAM532jAWN9vYqL1TL8SoCrVopb1S16uslzT/fsAcmqD1M0wS7veiwl fMgs1Y9SLgpIL+CQ3w0L/GQhF1t+NA== X-Google-Smtp-Source: ABdhPJyZy8wOFXIy+9w+km2telPNi/wpbmeVJ4CFAYoVcJWTFm/DoTqH7UUNA4RYN/Txqa4imSJX7g== X-Received: by 2002:a05:600c:21c2:: with SMTP id x2mr1822992wmj.161.1618350184043; Tue, 13 Apr 2021 14:43:04 -0700 (PDT) Received: from localhost ([84.39.183.235]) by smtp.gmail.com with ESMTPSA id g3sm12716185wrp.46.2021.04.13.14.43.03 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 13 Apr 2021 14:43:03 -0700 (PDT) Subject: Re: [BUG]: WARNING: CPU: 5 PID: 0 at net/sched/sch_generic.c:442 dev_watchdog+0x24d/0x260 To: Heiner Kallweit , Realtek NIC , NETDEV ML , KERNEL ML References: <8ab3069a-734f-80ee-49a0-34e1399d44f1@gmail.com> From: Xose Vazquez Perez Message-ID: Date: Tue, 13 Apr 2021 23:43:02 +0200 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/13/21 11:07 PM, Heiner Kallweit wrote: > On 13.04.2021 22:59, Xose Vazquez Perez wrote: >> A non-recurring bug, on 5.11.12-300.fc34.x86_64 (Fedora kernel). >> >> Thanks. >> >> >> 0c:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 06) >> >> [    2.968280] libphy: r8169: probed >> [    2.968844] r8169 0000:0c:00.0 eth0: RTL8168e/8111e, 2c:41:38:9e:98:93, XID 2c2, IRQ 47 >> [    2.968849] r8169 0000:0c:00.0 eth0: jumbo features [frames: 9194 bytes, tx checksumming: ko] >> [    4.071966] RTL8211DN Gigabit Ethernet r8169-c00:00: attached PHY driver (mii_bus:phy_addr=r8169-c00:00, irq=IGNORE) >> [    4.323834] r8169 0000:0c:00.0 eth0: Link is Down >> [    6.729111] r8169 0000:0c:00.0 eth0: Link is Up - 1Gbps/Full - flow control rx/tx >> >> [106378.638739] ------------[ cut here ]------------ >> [106378.638757] NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out > > This is a standard tx timeout and can have very different reasons. > Few questions: > > - Is this a regression? If yes, can you bisect? > - Can you reproduce it? If yes, which type of activity triggers it? This is the first and only time I've seen a bug in r8169 on this machine in nine years. Nothing special, web browsing, git cloning, dnf updating, ... It's a non-recurring bug. Now it's running 5.11.13-300.fc34.x86_64, stable as always. Thank you.