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=-5.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS 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 3FFECC2D0EC for ; Sun, 12 Apr 2020 20:18:09 +0000 (UTC) Received: from vger.kernel.org (unknown [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6A450206E5 for ; Sun, 12 Apr 2020 20:18:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="unknown key version" (0-bit key) header.d=tlapnet.cz header.i=@tlapnet.cz header.b="DI6MjArW" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6A450206E5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=tlapnet.cz Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=netdev-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728042AbgDLUSG (ORCPT ); Sun, 12 Apr 2020 16:18:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.18]:33504 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727315AbgDLUSG (ORCPT ); Sun, 12 Apr 2020 16:18:06 -0400 Received: from mail-qt1-x843.google.com (mail-qt1-x843.google.com [IPv6:2607:f8b0:4864:20::843]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 01042C0A3BF0 for ; Sun, 12 Apr 2020 13:18:04 -0700 (PDT) Received: by mail-qt1-x843.google.com with SMTP id 71so5721019qtc.12 for ; Sun, 12 Apr 2020 13:18:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tlapnet.cz; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=ZsekIBHqshnbI/HS9TZMolVbNrgPMfffXxKjS45z4/Y=; b=DI6MjArWgMwA2MClDCTMvmLfloAgfiDQP2uCCQ70B+hDr/tjjl9mX2fRJRFCwVTPpm WekkW8ULkL01wb5f0O8z4aijpHfkpp1qOZhTF+W/LJp44PKyqWfnPBPtdcnvYM6tvwsj yDKH50lhZBtxcNu+Dc2OPb54GygwcXMKm8bSg2LflCJhW/h5lqN2D6zUsIaH1co5046N ubTyAdCXRFXL6BicmseNmQxPpFE5JMeu1bH2n/hyg2EOWXT9KmBbi/eG03i6Ok/F+249 /Jc9zTnP6r4wOtgJtz9BaTWH2LZqNxCdw/iz9x/q6K/y2QlOsgD8PElhtdoH+2Z9a+MU UhKQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=ZsekIBHqshnbI/HS9TZMolVbNrgPMfffXxKjS45z4/Y=; b=AJo2ggr0bXFcAVDMBq3EEs3rqgpuZp1UE6ocBSmAHpx/Vazm9U+aZ7EBgjfc7Tky+l U4Siw20PUTZnkQL+RsK5DAtvkKgiRCqj7OsJ5xvHuQiGZVtwXOrCyTBO52azthEO1//P cQBnbr3q+3sowE0r3yajINWLboeGKlGbjMeiH/U8aUfbrotpd5PpwLx5Omeo1V9z+Fri 4VvfTvss4MOY9d6FIi7wPHZdROsPXTfDuI1k/0gN+CpdJuq/zLfajpu5QqrSCMSTt9Tc h969tmD2LPpmX5FtHqOABOX1f0RauxDp7BXuyRqvP3Tq7CO/LezYtX4wVc+yTJ50U1Rs u5bA== X-Gm-Message-State: AGi0PuZk47Mkkim9qtK9Gmnp3Q8ZJ/mWywKbpO/eBhLymBC3Op88cRH/ +1jMomlYVKHcjLVo7r96MbaSoRZDK6+Yb5lmsQ20hg== X-Google-Smtp-Source: APiQypJiLUuMZrk/V0hdntnjbbjNsFt/UGNCdtI/y1UtTb6j7cpFOJ8lQaNfEdeDwoYyLzdy0vxtJuydQniw16qkyiM= X-Received: by 2002:ac8:7609:: with SMTP id t9mr8540377qtq.155.1586722683850; Sun, 12 Apr 2020 13:18:03 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: =?UTF-8?Q?V=C3=A1clav_Zindulka?= Date: Sun, 12 Apr 2020 22:17:52 +0200 Message-ID: Subject: Re: iproute2: tc deletion freezes whole server To: Cong Wang Cc: Linux Kernel Network Developers Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Wed, Apr 8, 2020 at 10:18 PM Cong Wang wrote: > > Hi, V=C3=A1clav Hello Cong, > Sorry for the delay. No problem, I'm actually glad you are diagnosing the problem further. I didn't have much time until today and late yesterday to apply patches and to test it. > The problem is actually more complicated than I thought, although it > needs more work, below is the first pile of patches I have for you to > test: > > https://github.com/congwang/linux/commits/qdisc_reset > > It is based on the latest net-next branch. Please let me know the result. I have applied all the patches in your four commits to my custom 5.4.6 kernel source. There was no change in the amount of fq_codel_reset calls. Tested on ifb, RJ45 and SFP+ interfaces. > Meanwhile, I will continue to work on this and will provide you more > patches on top. Thank you very much for your effort!