Return-path: Received: from mail-wy0-f174.google.com ([74.125.82.174]:33542 "EHLO mail-wy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756570Ab1FFEnK convert rfc822-to-8bit (ORCPT ); Mon, 6 Jun 2011 00:43:10 -0400 MIME-Version: 1.0 In-Reply-To: <20110605201042.21c86763@sf> References: <20110605201042.21c86763@sf> Date: Mon, 6 Jun 2011 10:13:08 +0530 Message-ID: (sfid-20110606_064334_667402_8B2E0440) Subject: Re: 3.0.0-rc1: dmesg shows 'wlan%d' instead of 'wlan0' From: Mohammed Shafi To: Sergei Trofimovich Cc: linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Sun, Jun 5, 2011 at 10:40 PM, Sergei Trofimovich wrote: > Recently I've noticed small discrepancy in dmesg: > > $ { zcat messages.2.gz messages.1.gz; cat messages; } | egrep "(deauthen|Linux version)" > ... > May 21 22:01:31 sf kernel: [ ? ?0.000000] Linux version 2.6.39-00004-g29c77fa (slyfox@sf) (gcc version 4.4.5 (Gentoo 4.4.5 p1.2, pie-0.4.5) ) #116 SMP PREEMPT Thu May 19 22:46:16 EEST 2011 > May 24 05:37:54 sf kernel: [81845.885094] wlan0: deauthenticated from ... > > Jun ?1 22:38:38 sf kernel: [ ? ?0.000000] Linux version 3.0.0-rc1-00035-g79f3f61 (slyfox@sf) (gcc version 4.4.5 (Gentoo 4.4.5 p1.2, pie-0.4.5) ) #118 SMP PREEMPT Wed Jun 1 22:14:46 EEST 2011 > Jun ?1 23:41:23 sf kernel: [ 3877.773727] wlan%d: deauthenticating from ... > > Jun ?1 23:42:16 sf kernel: [ ? ?0.000000] Linux version 3.0.0-rc1-00035-g79f3f61-dirty (slyfox@sf) (gcc version 4.4.5 (Gentoo 4.4.5 p1.2, pie-0.4.5) ) #119 SMP PREEMPT Wed Jun 1 23:35:43 EEST 2011 > Jun ?2 07:35:10 sf kernel: [ 5972.879970] wlan%d: deauthenticated from ... > > Here we see 'wlan0' -> 'wlan%d' switch. I presume those lines go from firmware > (and not from userspace). > > The card is an iwl4965 > > 10:00.0 Network controller: Intel Corporation PRO/Wireless 4965 AG or AGN [Kedron] Network Connection (rev 61) this seems to be fixed by the following commit which was recently merged in wireless-testing commit 59e7e7078d6c2c6294caf454c6e3695f9d3e46a2 Author: Thadeu Lima de Souza Cascardo Date: Thu Jun 2 17:28:37 2011 -0300 mac80211: call dev_alloc_name before copying name to sdata This partially reverts 1c5cae815d19ffe02bdfda1260949ef2b1806171, because the netdev name is copied into sdata->name, which is used for debugging messages, for example. Otherwise, we get messages like this: wlan%d: authenticated Signed-off-by: Thadeu Lima de Souza Cascardo Cc: Jiri Pirko Cc: David S. Miller Cc: Johannes Berg Cc: "John W. Linville" Signed-off-by: John W. Linville are we still getting it? > > -- > > ?Sergei > -- shafi