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=-2.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 EF11AC282C2 for ; Thu, 7 Feb 2019 21:40:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B8D6B21907 for ; Thu, 7 Feb 2019 21:40:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="kBcfWz7F" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726896AbfBGVkv (ORCPT ); Thu, 7 Feb 2019 16:40:51 -0500 Received: from mail-qk1-f194.google.com ([209.85.222.194]:37545 "EHLO mail-qk1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726622AbfBGVkv (ORCPT ); Thu, 7 Feb 2019 16:40:51 -0500 Received: by mail-qk1-f194.google.com with SMTP id m9so924387qkl.4 for ; Thu, 07 Feb 2019 13:40:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=7mslLkPoruG+NN57AfD2UCk1nAt5cQ1o5Y+n6OgWbHA=; b=kBcfWz7F3RclVbc8wFUY8LvI7ZvWw9M55ao+ATyQCuU3Z3fftqlSjvPWvt8LsBGZgc bp+xWiT9C6tK26FoELZlnzvtyM0imE0mNXsL0Zdwvk91qP/XtsCwQfMgAN0EbQt/KOop 8S4Rtsg6KXibqBuBw/4z4JB1RVPpk1aidNh36dDu9sg89Nl5fDrLwFbZ/9ZMM9T0J7BW e7fsB1RoThoP3IsjmNDeunO4TBLnmaQdg1pZwSj0W3QcPSCNKbxt9WTT25sRdyd22L3y KYjBvgK/r5gh/J+dS8FAzQQo7mrg/R6co64VSrkZDd0qqRFMawH01UShtzLL4+5hcQNf 3hpA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=7mslLkPoruG+NN57AfD2UCk1nAt5cQ1o5Y+n6OgWbHA=; b=aNk+lAVysQPKdNHIortTfGlBHrPOs3+xTYfQ+s1ya1ilKFGXfTSZYg8SrnX9/FDj0c q5O7+nVCROpa+/rXLtKB/t0S+lgFkk/jP32lvLdnCFXsJsZQIFQkP6q/HMUv+DGgyKx/ MXWTklFBrDSGyHRdYUa14Att/T1+e8gt8hBYCZcDQsfbI+rzk5WZM3hKAkCkUKD1fhN6 0LRAC5/bkE/kXQfjWhTyAPEaokvDJDvH4IVBEUl2BKH7ncnOIzvEYUKqPmr4AspAIvW9 stHX7BAsA3W26tkvcdEowbodjp6k1j2jQp7wOpfs5FmM36jCnE5m6B81ay6hXUrMa8qW NSlw== X-Gm-Message-State: AHQUAub6FZiz1Uhe2AZuR+QVKMUjUUP7HYbhR1gS4r6lcx2KbGNzqm0i qo4kxoeJnna99+FONkXNsw8= X-Google-Smtp-Source: AHgI3IapRnlOxYKqt/cEOE64+CJxLJm9CIVmk0LamGBhfNIBMEbNffFcNZrJXF+WqHXrlPl4RUEkrQ== X-Received: by 2002:a37:5107:: with SMTP id f7mr13805963qkb.124.1549575649917; Thu, 07 Feb 2019 13:40:49 -0800 (PST) Received: from localhost.localdomain ([2001:1284:f019:c4a1:e98a:edae:d055:8fc6]) by smtp.gmail.com with ESMTPSA id f143sm80647qka.73.2019.02.07.13.40.48 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 07 Feb 2019 13:40:48 -0800 (PST) Received: by localhost.localdomain (Postfix, from userid 1000) id 40B2F180CC4; Thu, 7 Feb 2019 19:40:46 -0200 (-02) Date: Thu, 7 Feb 2019 19:40:46 -0200 From: Marcelo Ricardo Leitner To: Ian Kumlien Cc: Cong Wang , David Miller , Saeed Mahameed , Linux Kernel Network Developers Subject: Re: [ISSUE][4.20.6] mlx5 and checksum failures Message-ID: <20190207214046.GA10664@localhost.localdomain> References: <067294dc4721cd52b87ccc579033b59336588bdd.camel@mellanox.com> <20190206.140314.1579572356051091256.davem@davemloft.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Wed, Feb 06, 2019 at 11:41:28PM +0100, Ian Kumlien wrote: > On Wed, Feb 6, 2019 at 11:38 PM Cong Wang wrote: > > On Wed, Feb 6, 2019 at 2:15 PM Ian Kumlien wrote: > > > Could we please schedule this for 4.19 and 4.20 - it's kinda breaking things > > > > It doesn't break anything, packets are _not_ dropped, only that the > > warning itself is noisy. > > Not my experience, to me it slows the machine down and looses packets, > I don't however know > if this is the only culprit > > You can actually see it on ping where it start out with 0.0xyx and > ends up at ~10ms Serial console is a/the killer in these situations.