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=-5.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 B8787C5519F for ; Sat, 14 Nov 2020 16:06:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 52EF922263 for ; Sat, 14 Nov 2020 16:06:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=elloe.vision header.i=@elloe.vision header.b="XnQeM8Ql" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727193AbgKNQGf (ORCPT ); Sat, 14 Nov 2020 11:06:35 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42596 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727107AbgKNQGf (ORCPT ); Sat, 14 Nov 2020 11:06:35 -0500 X-Greylist: delayed 1624 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Sat, 14 Nov 2020 08:06:34 PST Received: from iam.tj (soggy.cloud [IPv6:2a01:7e00:e000:151::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EA340C0613D1 for ; Sat, 14 Nov 2020 08:06:34 -0800 (PST) Received: from [10.0.40.123] (unknown [51.155.44.233]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) by iam.tj (Postfix) with ESMTPSA id A6616340AD; Sat, 14 Nov 2020 16:06:33 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=elloe.vision; s=2019; t=1605369993; bh=CmSsL4QWFFw7wYkkaS7n1xmLtV9lnSawojHwGa6s7l0=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=XnQeM8QlUVHgN5D2l5xQRg7bg/E9pdIB+G9OhwuGc+Cslpo7+FBK/wlLREBZGHsRl ZaRMd9eCu4INBx+tC+pEEoz83FN0LCGz4lgLorzr0RjrvwW3xh93ycls/KzNo63+nn uYG/QGCViRzIxpKLzupQ/eAOTP1GcB6DwN6lomHgxrbOJVrCa1eHxkkfu+Ttg6CPUy qjLfpHZKRubS1TEFHRxrRSTWCk6GtOmBDiA7HnfdxQgYtLjAKBw1Xcl7LawxAssr0b OPsjuzcCpnUu2Y3o1AoxeNqhQe9IFqby1sdetE0bLqF6SrchfChw/GEPpfCe2M28B/ NQSPSynG/0vig== Subject: Re: dsa: mv88e6xxx not receiving IPv6 multicast packets To: Andrew Lunn Cc: netdev@vger.kernel.org, chris.packham@alliedtelesis.co.nz, f.fainelli@gmail.com, marek.behun@nic.cz, vivien.didelot@gmail.com, info References: <1b6ba265-4651-79d2-9b43-f14e7f6ec19b@alliedtelesis.co.nz> <0538958b-44b8-7187-650b-35ce276e9d83@elloe.vision> <3390878f-ca70-7714-3f89-c4455309d917@elloe.vision> <20201114155614.GZ1480543@lunn.ch> From: "Tj (Elloe Linux)" Organization: Elloe CIC Message-ID: Date: Sat, 14 Nov 2020 16:06:33 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20201114155614.GZ1480543@lunn.ch> Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 14/11/2020 15:56, Andrew Lunn wrote: >> 1) with isc-dhcp-server configured with very short lease times (180 >> seconds). After mox reboot (or systemctl restart systemd-networkd) >> clients successfully obtain a lease and a couple of RENEWs (requested >> after 90 seconds) but then all goes silent, Mox OS no longer sees the >> IPv6 multicast RENEW packets and client leases expire. > > So it takes about 3 minutes to reproduce this? > > Can you do a git bisect to figure out which change broke it? It will > take you maybe 5 minutes per step, and given the wide range of > kernels, i'm guessing you need around 15 steps. So maybe two hours of > work. > > Andrew > I'll check if we can - the problem might be the Turris Mox kernel is based on a board support package drop by Marvell so I'm not clear right now how divergent they are. Hopefully the Turris kernel devs can help on that.