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=-2.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 1573FC2D0DC for ; Thu, 2 Jan 2020 16:53:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DC58620692 for ; Thu, 2 Jan 2020 16:53:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="sH/qRybu" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728883AbgABQxO (ORCPT ); Thu, 2 Jan 2020 11:53:14 -0500 Received: from mail-pg1-f179.google.com ([209.85.215.179]:46193 "EHLO mail-pg1-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728824AbgABQxN (ORCPT ); Thu, 2 Jan 2020 11:53:13 -0500 Received: by mail-pg1-f179.google.com with SMTP id z124so22118099pgb.13 for ; Thu, 02 Jan 2020 08:53:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=sS6FrVYGbVCXU+pQLC9vyfkAZT8PvRcphG1N23Bc4nU=; b=sH/qRybuGLENwEAxuz2RVbGSPUHo2VDjItwNnGR+nNFobiSqufr9I13n30F8U10wY8 ZbJacv+tDRDMC9RCc8BihAaRAOzE6Xbr3murDG7hs1jFyoajUoc9+aZVF3fZdovnH+4J k8SuN6fCXfQyt6vOhXG5/vXneo+9PQhYinIAT27ZnzWJfNM6w0L2gYBOO9/3zBztGSbx QSqUzeHfypgSDtreip1l1F5zNpx4bzHcSlHle5va+HiSx8rkS8VU7V/f2HPYoCKo76fx M6EKivVuz8Sp7HPbyJvezZKNAHNO0TOJq1OhyQRXsIRE3J5PQs+WulMRKlYdoOxgjqij jycw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=sS6FrVYGbVCXU+pQLC9vyfkAZT8PvRcphG1N23Bc4nU=; b=BdHSRdrrD8Ig9q3/vuSuz5wdgDAnBtxhHQ+BnzH8gs28PDuSe2r6s4X9nwb2FkLSJC DaX1+kcMNdpBt/sqPsBbBUtF+bRJe/QEkyMz82DNxCEeNCxDKi+1zXzFouUg2oRqLEu7 oxEnPi9uLrcK/axDf7fnGfk4S2dTomGoaxvz5AOK+3YxzGX13/SPhAv7aiDOwpfiZopP Z3iLEiBQzzSg7h05LopHVZETbGzRzeNW5uzh7j8xaopp5hVoDW7gkN1C6Z3b5tiiTh2R +zpHgaW3zHFTGmwYFws9FY6rPYaPqg2rMpyoInyUFRUBIXfOFx2jgTdZytmuA136M7A+ V7OA== X-Gm-Message-State: APjAAAVlj7bVpOruo5nXfd5T+DgBGR8SmWCzvk2oqGiUmQkv4BGVzvxa WJh6f3MIZ0zEyAUCiVHvG9evW4B+ X-Google-Smtp-Source: APXvYqzjAYmGzcm/lB4uRWD/fCmaSgEeaS+qdwdLAiqom/ChUri7wP2tLmdC+IONHWNgC67pNmivEQ== X-Received: by 2002:a62:78c1:: with SMTP id t184mr87324171pfc.222.1577983993010; Thu, 02 Jan 2020 08:53:13 -0800 (PST) Received: from ?IPv6:2601:282:800:7a:b448:6aaa:b24c:65b2? ([2601:282:800:7a:b448:6aaa:b24c:65b2]) by smtp.googlemail.com with ESMTPSA id d14sm69232795pfq.117.2020.01.02.08.53.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 02 Jan 2020 08:53:12 -0800 (PST) Subject: Re: IPv6 addresses stay tentative (Linux 5.4.6, 5.4.7) To: Nico Schottelius , netdev@vger.kernel.org References: <87mub7tbr3.fsf@ungleich.ch> From: David Ahern Message-ID: Date: Thu, 2 Jan 2020 09:53:06 -0700 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Thunderbird/68.3.1 MIME-Version: 1.0 In-Reply-To: <87mub7tbr3.fsf@ungleich.ch> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 1/1/20 4:30 PM, Nico Schottelius wrote: > > https://roy.marples.name/archives/dhcpcd-discuss/0002774.html > > p.s.: I am using accept_ra = 2, because forwarding is also enabled. > > Hello, > > it seems something in the kernel code changed in regard to setting IPv6 > addresses usable (i.e. dad done). Since 5.4.6 IPv6 addresses setup > statically or via autoconf (router advertisements) seem so stay in > "tentative" state forever. > > I did not experience this behaviour in 5.3.13 (*) and it seems I am not > the only one affected: > > I turned dhcpcd off to test whether it happens without it and indeed the > problem seems to be unrelated to dhcpcd. > > Does anyone know about a recent change that may cause this behaviour? > > Best regards, > > Nico > > (*) I cannot boot kernels 5.4.x < 5.4.6, as the wifi card does not show > up with them. > I do not see this behavior with vanilla 5.5.