From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755693AbZIKR2d (ORCPT ); Fri, 11 Sep 2009 13:28:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752327AbZIKR2c (ORCPT ); Fri, 11 Sep 2009 13:28:32 -0400 Received: from ey-out-2122.google.com ([74.125.78.24]:9212 "EHLO ey-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752179AbZIKR2c (ORCPT ); Fri, 11 Sep 2009 13:28:32 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:mime-version:content-type :content-disposition:user-agent; b=wMiYKfGrzv5jgnh0cmT2W5M1ZpUHPevQbL9HzRxJOjMJJuYohH5ymu8+/g2DrkIA7J PJYIa9WVn5+XxS3Ld8F1QtObbS06xmEVqMwpTem9Q9r8NyHEV6HA0aidLUZC0tc5LAzk nyql3H1hKsVB2nScul10qI+E35ZzmuAmsa+ng= Date: Fri, 11 Sep 2009 19:28:31 +0200 From: Frederic Weisbecker To: Greg Kroah-Hartman , Jaroslav Kysela , Takashi Iwai , Wu Fengguang Cc: LKML Subject: Warning with hda intel registration on sysfs Message-ID: <20090911172829.GA4993@nowhere> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, It's not a new warning, I got it for a while now, probably since .29, but it's still there (2.6.31). I've seen a report about it by the past so I didn't wonder much. And eventually I've been used to see it. Tell me if you need my config. I'm currently running a -tip based kernel but if you need I can send you a config against vanilla. Here is the warning: [ 4.099038] WARNING: at fs/sysfs/dir.c:487 sysfs_add_one+0x11b/0x150() [ 4.108180] Hardware name: AMILO Li 2727 [ 4.117320] sysfs: cannot create duplicate filename '/dev/char/14:4' [ 4.126374] Modules linked in: [ 4.135204] Pid: 1, comm: swapper Not tainted 2.6.31-tip #208 [ 4.143943] Call Trace: [ 4.152754] [] ? sysfs_add_one+0x11b/0x150 [ 4.161639] [] warn_slowpath_common+0x80/0xd0 [ 4.170492] [] warn_slowpath_fmt+0x69/0x70 [ 4.179283] [] ? trace_hardirqs_on_caller+0x145/0x190 [ 4.188073] [] ? sysfs_pathname+0x45/0x60 [ 4.197040] [] ? sysfs_pathname+0x45/0x60 [ 4.205636] [] ? sysfs_pathname+0x45/0x60 [ 4.213781] [] sysfs_add_one+0x11b/0x150 [ 4.221959] [] sysfs_do_create_link+0x103/0x170 [ 4.230121] [] sysfs_create_link+0x13/0x20 [ 4.238289] [] device_add+0x2af/0x680 [ 4.246362] [] ? __spin_lock_init+0x38/0x70 [ 4.254451] [] device_register+0x1e/0x30 [ 4.262375] [] device_create_vargs+0x158/0x180 [ 4.269873] [] device_create+0x50/0x60 [ 4.276845] [] ? sound_insert_unit+0xc7/0x280 [ 4.283515] [] ? _spin_unlock+0x35/0x60 [ 4.289919] [] ? sound_insert_unit+0xc7/0x280 [ 4.296353] [] sound_insert_unit+0x1a4/0x280 [ 4.302743] [] register_sound_special_device+0xa5/0x220 [ 4.309028] [] snd_register_oss_device+0x2cf/0x370 [ 4.315297] [] register_oss_dsp+0x60/0x90 [ 4.321431] [] ? mark_held_locks+0x6c/0x90 [ 4.327392] [] ? __mutex_unlock_slowpath+0x125/0x190 [ 4.333194] [] ? trace_hardirqs_on_caller+0x145/0x190 [ 4.339054] [] ? trace_hardirqs_on+0xd/0x10 [ 4.344824] [] snd_pcm_oss_register_minor+0x167/0x260 [ 4.350747] [] ? mutex_unlock+0xe/0x10 [ 4.356658] [] ? snd_timer_dev_register+0xf3/0x130 [ 4.362555] [] ? snd_device_register+0x65/0x80 [ 4.368582] [] ? snd_pcm_timer_init+0x14f/0x1a0 [ 4.374867] [] snd_pcm_dev_register+0x1ad/0x2c0 [ 4.381167] [] snd_device_register_all+0x39/0x60 [ 4.387505] [] snd_card_register+0x25/0x180 [ 4.393781] [] azx_probe+0x901/0xab0 [ 4.400107] [] ? azx_send_cmd+0x0/0x1b0 [ 4.406376] [] ? azx_get_response+0x0/0x260 [ 4.412679] [] ? azx_attach_pcm_stream+0x0/0x240 [ 4.419127] [] ? azx_bus_reset+0x0/0x90 [ 4.425509] [] ? pci_match_device+0x25/0xe0 [ 4.431956] [] local_pci_probe+0x17/0x20 [ 4.438338] [] pci_device_probe+0x88/0xb0 [ 4.444611] [] ? driver_sysfs_add+0x6b/0x90 [ 4.450887] [] driver_probe_device+0x9d/0x1b0 [ 4.457114] [] __driver_attach+0x9b/0xb0 [ 4.463236] [] ? __driver_attach+0x0/0xb0 [ 4.469246] [] bus_for_each_dev+0x73/0xa0 [ 4.475388] [] driver_attach+0x21/0x30 [ 4.481453] [] bus_add_driver+0x268/0x2e0 [ 4.487467] [] ? alsa_card_azx_init+0x0/0x1b [ 4.493588] [] driver_register+0x81/0x170 [ 4.499698] [] ? alsa_card_azx_init+0x0/0x1b [ 4.505845] [] __pci_register_driver+0x6f/0xf0 [ 4.511990] [] ? alsa_card_azx_init+0x0/0x1b [ 4.518042] [] alsa_card_azx_init+0x19/0x1b [ 4.524055] [] do_one_initcall+0x3d/0x190 [ 4.530000] [] kernel_init+0x16a/0x1c2 [ 4.535935] [] child_rip+0xa/0x20 [ 4.541918] [] ? finish_task_switch+0x7f/0xe0 [ 4.547955] [] ? _spin_unlock_irq+0x3b/0x60 [ 4.554049] [] ? restore_args+0x0/0x30 [ 4.560138] [] ? kernel_init+0x0/0x1c2 [ 4.566135] [] ? child_rip+0x0/0x20 [ 4.572366] ---[ end trace 36623c312af01a26 ]--- Thanks, Frederic.