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=-5.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 8B21CC2D0F4 for ; Wed, 8 Apr 2020 20:18:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 56575206C0 for ; Wed, 8 Apr 2020 20:18:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="fAH7nGvu" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728221AbgDHUSv (ORCPT ); Wed, 8 Apr 2020 16:18:51 -0400 Received: from mail-ot1-f53.google.com ([209.85.210.53]:33054 "EHLO mail-ot1-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726774AbgDHUSv (ORCPT ); Wed, 8 Apr 2020 16:18:51 -0400 Received: by mail-ot1-f53.google.com with SMTP id 103so1766961otv.0 for ; Wed, 08 Apr 2020 13:18:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=O9OQLWU+L8cw2kQ65uVTWLezhpLVOU7vvKIvyjvb5go=; b=fAH7nGvu5Ex9ePvBMLwGYHM+yNT4lIfyeI5YvP/rD2QCacGZJ/07c/Of0SNxmniQmt fgn0ig3599QRzFy8jsHw8vyallXVP3vSgeI+LT+9/OoY9A3WWqZOlvPXoVPAS8a3E9L4 SlCk5qOnP/fif2yptA7JQdGhItrc3Cmf4W3RRt4mJn/YRIeBysnihfUWhG/ETpbcsIMj 8BRF0nCG/aQQeQLGg/IbAy1rJg3k+vMEM+BppRBKgMrUwBp2NRLv8JJDTADw6KvwaxIw L+a61V1U3Hw7ig9fsEkVIB5nvEEcgEAqXZVdT+hCKOylsHBXP+oQ8y5pbXKiQgYTKa8l pPRA== 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=O9OQLWU+L8cw2kQ65uVTWLezhpLVOU7vvKIvyjvb5go=; b=I2Yu/SlJF5IQdB0AY0ByeYjFwCbom8px/bKnJzSn/ZirM8GOUw05moxqOysPiSCFZQ 3b9tLeWmgIv4GQ5Z+AeXpLzkxxaStirCjJz5gJlETWtoRcOjD2lYB40dj2dXHLluZCqV MYlwcczG5ECzFKOHMYXRc83Sza6ViNYGneFGZGhkRQ8fTE7aQ5q8zh2KrV6QFIGHnnlW ks36cb272XQVLq9fqA68R33hBqjn32enRw4KffXD7L8nvcOYkvyhsn6o2BZLgTPYnGMf Nq2KUeOti+pIvgenrfPTjy+dFHCd7Da9SNwGb9XQpTk/5QD3pHvBfRf92eP/rH/yp2oc 6UlA== X-Gm-Message-State: AGi0PuY2pkRyQHsacoCA/by8aRCuV8d8QTpVxwUsJ5wWN9pUMKrCQmj7 +/lmTpr6v6lv104u3FZfEROi6MV+14HTrawaVw2tNEtYEx4= X-Google-Smtp-Source: APiQypKfCwrUsUM9Uh31ug7UZNa+TyfFlFUvLHZi2jIfMrQzrF28VySiHkHgZCyv/HNL5gz86//tJNxUHMVSEl4Jlag= X-Received: by 2002:a9d:6a49:: with SMTP id h9mr6481301otn.189.1586377130037; Wed, 08 Apr 2020 13:18:50 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Cong Wang Date: Wed, 8 Apr 2020 13:18:38 -0700 Message-ID: Subject: Re: iproute2: tc deletion freezes whole server To: =?UTF-8?Q?V=C3=A1clav_Zindulka?= 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 Hi, V=C3=A1clav Sorry for the delay. 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. Meanwhile, I will continue to work on this and will provide you more patches on top. Thanks for testing!