From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: Latest net-next kernel 4.19.0+
Date: Tue, 30 Oct 2018 10:50:10 -0700
Message-ID: <473bee73-b40e-2038-35e2-2c03482f7b75@gmail.com>
References: <59d5657c-ea0a-7b64-d5ff-5b55eb4fcccf@itcare.pl>
 <ec5c3923-a268-aa2c-fea1-350f8bce65c2@itcare.pl>
 <CAM_iQpWWZqur_dLC_eM7iX7BFDncrYFSXHohwxCt2xMaAjRpMQ@mail.gmail.com>
 <1e954663-ed05-4f33-4384-db880844f9d1@gmail.com>
 <db6848dc-cf1b-0989-570c-af5bdd1a7bd1@gmail.com>
 <CAG76SjY7fnFdgamBELATyO8NGnyNFYiX33SgLE6-q=eoBM8jKg@mail.gmail.com>
 <68f25a28-b79e-d3ae-6eef-50c354ad63ae@gmail.com>
 <b0a36d1f-5518-392c-d731-1ec66ec48f92@itcare.pl>
 <76dfbbda-d7f1-b13a-5921-c12c3b0f8e3e@gmail.com>
 <CAM_iQpUKTh51maAzht8M3LuJAYDRMRnsGn_+Db0rGG-scW2SnA@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit
Cc: =?UTF-8?Q?Pawe=c5=82_Staszewski?= <pstaszewski@itcare.pl>,
        dmichail@google.com,
        Linux Kernel Network Developers <netdev@vger.kernel.org>
To: Cong Wang <xiyou.wangcong@gmail.com>
Return-path: <netdev-owner@vger.kernel.org>
Received: from mail-pf1-f182.google.com ([209.85.210.182]:37499 "EHLO
        mail-pf1-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1727771AbeJaCoj (ORCPT
        <rfc822;netdev@vger.kernel.org>); Tue, 30 Oct 2018 22:44:39 -0400
Received: by mail-pf1-f182.google.com with SMTP id u13-v6so602878pfm.4
        for <netdev@vger.kernel.org>; Tue, 30 Oct 2018 10:50:13 -0700 (PDT)
In-Reply-To: <CAM_iQpUKTh51maAzht8M3LuJAYDRMRnsGn_+Db0rGG-scW2SnA@mail.gmail.com>
Content-Language: en-US
Sender: netdev-owner@vger.kernel.org
List-ID: <netdev.vger.kernel.org>



On 10/30/2018 10:32 AM, Cong Wang wrote:

> Unlike Pawel's case, we don't use vlan at all, maybe this is why we see
> it much less frequently than Pawel.
> 
> Also, it is probably not specific to mlx5, as there is another report which
> is probably a non-mlx5 driver.

Not sure if you provided a stack trace ?

Have you tried IPv6 frags maybe ?