linux-kernel - Re: [alsa-devel] sysfs: WARNING: at fs/sysfs/dir.c:424 sysfs_add_one()

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Message-ID: <3ae72650710260917t3ed93450gd5aa97d1337273f0@mail.gmail.com>
Date:	Fri, 26 Oct 2007 18:17:38 +0200
From:	"Kay Sievers" <kay.sievers@...y.org>
To:	"Takashi Iwai" <tiwai@...e.de>
Cc:	"Greg KH" <greg@...ah.com>,
	"Kamalesh Babulal" <kamalesh@...ux.vnet.ibm.com>,
	alsa-devel@...a-project.org, "Amit Shah" <amitshah@....net>,
	linux-kernel@...r.kernel.org
Subject: Re: [alsa-devel] sysfs: WARNING: at fs/sysfs/dir.c:424 sysfs_add_one() - with ALSA

On 10/26/07, Takashi Iwai <tiwai@...e.de> wrote:
> At Fri, 26 Oct 2007 08:52:02 -0700,
> Greg KH wrote:
> >
> > On Fri, Oct 26, 2007 at 02:47:22PM +0530, Kamalesh Babulal wrote:
> > > I get similar warning, while loading the alsa driver
> >
> > This is a different problem, not a rename issue like the network one
> > was.
> >
> > > [  191.933548] Advanced Linux Sound Architecture Driver Version 1.0.15
> > > (Tue Oct 23 06:09:18 2007 UTC).
> > > [  191.996323] ALSA sound/core/seq/oss/seq_oss.c:232: can't register
> > > device seq
> > > [  192.046004] sysfs: duplicate filename 'audio' can not be created
> > > [  192.086048] WARNING: at fs/sysfs/dir.c:424 sysfs_add_one()
> >
> > This is an error in the alsa core, perhaps the alsa developers can help
> > figure out why they are registering the same file twice?
>
> ALSA core shouldn't do so.  Maybe a built-in OSS driver conflict with
> ALSA?  We'd need to check .config, then.

Maybe:
   find /sys/ -name audio
shows the devpath of the already existing device?

Kay
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