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=-7.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,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 68F64C43441 for ; Thu, 29 Nov 2018 14:42:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1CCE920673 for ; Thu, 29 Nov 2018 14:42:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1CCE920673 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=jmondi.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733140AbeK3Brr (ORCPT ); Thu, 29 Nov 2018 20:47:47 -0500 Received: from relay12.mail.gandi.net ([217.70.178.232]:55903 "EHLO relay12.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729142AbeK3Brq (ORCPT ); Thu, 29 Nov 2018 20:47:46 -0500 Received: from w540 (2-224-242-101.ip172.fastwebnet.it [2.224.242.101]) (Authenticated sender: jacopo@jmondi.org) by relay12.mail.gandi.net (Postfix) with ESMTPSA id 0D9B0200002; Thu, 29 Nov 2018 14:42:07 +0000 (UTC) Date: Thu, 29 Nov 2018 15:42:06 +0100 From: jacopo mondi To: andrew@lunn.ch, f.fainelli@gmail.com, davem@davemloft.net, shawnguo@kernel.org, s.hauer@pengutronix.de, fabio.estevam@nxp.com Cc: netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Regression: v4.20-rc4: "SMSC LAN8710/LAN8720: Master/Slave resolution failed" Message-ID: <20181129144206.GK9807@w540> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="0qVF/w3MHQqLSynd" Content-Disposition: inline User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --0qVF/w3MHQqLSynd Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Hello, netdev people, i.MX6 people, I'm running an i.MX6Q system, and since v4.20-rc1 the ethernet PHY fails to properly startup, preventing me from mounting my NFS rootfs (the interfaces gets configured after some minutes, but it's too late for NFS). The complete boot log: [ 3.000186] SMSC LAN8710/LAN8720 2188000.ethernet-1:00: attached PHY driver [SMSC LAN8710/LAN8720] (mii_bus:phy_addr=2188000.ethernet-1:00, irq=POLL) [ 3.015616] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready [ 4.090582] SMSC LAN8710/LAN8720 2188000.ethernet-1:00: Master/Slave resolution failed, maybe conflicting manual settings? [ 13.038779] Waiting up to 110 more seconds for network. [ 23.058776] Waiting up to 100 more seconds for network. [ 33.078782] Waiting up to 90 more seconds for network. [ 43.098780] Waiting up to 80 more seconds for network. [ 53.118780] Waiting up to 70 more seconds for network. [ 63.138733] Waiting up to 60 more seconds for network. [ 73.158781] Waiting up to 50 more seconds for network. [ 83.178779] Waiting up to 40 more seconds for network. [ 93.198778] Waiting up to 30 more seconds for network. [ 103.218780] Waiting up to 20 more seconds for network. [ 113.238779] Waiting up to 10 more seconds for network. [ 123.048862] IP-Config: Guessing netmask 255.255.255.0 [ 123.053967] IP-Config: Complete: [ 123.057247] device=eth0, hwaddr=9c:53:cd:02:fb:34, ipaddr=192.168.1.100, mask=255.255.255.0, gw=255.255.255.255 [ 123.067927] host=192.168.1.100, domain=, nis-domain=(none) [ 123.074027] bootserver=255.255.255.255, rootserver=192.168.1.64, rootpath= [ 123.082826] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 123.096250] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 123.103753] ALSA device list: [ 123.106824] No soundcards found. [ 123.111007] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 123.119879] cfg80211: failed to load regulatory.db The board I'm using went in in v4.20-rc1: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=37c045d25e90038682b845de0a1db43c8301694d https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=09ad741b7ecee8f7fa80bfa21eb0716394aff418 But with the above patches applied on v4.19 (on which I initially wrote them) it still works with no issues. Not a network expert and I might have missed some adjustments required to have the PHY work properly on v4.20 (I see the issue on both v4.20-rc1 and v4.20-rc4 as well). Before diving into a painful bisect, I'm here reporting the issue. Thanks j --0qVF/w3MHQqLSynd Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCAAGBQJb//q+AAoJEHI0Bo8WoVY8HRkP/RCh+2GE8PizHB0ztDirLfTY sS3pm6USbtTzYFF49sdXM17Ufgycn5DxuXr6SD2nv5utUUrKmECRVc6nSO/UFeGn /B7pDJh/WJM0Db8NhUIPxoATmc7elUR/OeCOfgB0cUPIxB5cj8evGxUaNY1Xco3R COBrWaAObtjUQLZWUErUKh2/komCUcm5UYwTWMRLycGQjzlORwS7KHezQBWTIKy7 6ctjW76PL0B1eO7kipNiM1qlLs8wh0HAYWIqTY4XyT/VV/FBtss94Wql4TXGZKYP IQ+osFmvbslI+3NN6zLWagz/MQw06w09kO0M+G5c4Hs+Ht7qorLdSBR9sjVHTtUS 15lMdNQddHLfIbeS8Vl0g6YFlcOCFa8ng0/17I50/SxdEwdLz0x50QtX8gpmKR1G qAwwKm0UuJ1KqtASX7p+2vV2Vv5EcRM2clQaz7Z2STqfSE2gB/FC7AzZX7mjZdnY bl2fxcn/k59B/g1JBJDg9Ydk8sPMpppeRLB3xDWqDYA4v1fGmnume9bX/XgQ6x+H x2Qb1mHMuZzW/GYb1ntQbo2EogB61bUxMnwx2NlAx59FB4uj48td6PRG5LdPz4pq LtsGqqhtZJINezuUwXCscax97LhD7nWhFOenADA/CmgqsWEqbaw1Vmyxt/1g0cfv z7flDRDqYp7sw13NJ490 =4hsW -----END PGP SIGNATURE----- --0qVF/w3MHQqLSynd--