Re: sysfs: duplicate filename 'card0' can not be created

From: Takashi Iwai
Date: Thu Feb 14 2008 - 07:10:35 EST


At Thu, 14 Feb 2008 10:05:44 +0000,
Luciano Rocha wrote:
>
> [1 <text/plain; iso-8859-1 (quoted-printable)>]
> On Wed, Feb 13, 2008 at 03:09:21PM +0000, Luciano Rocha wrote:
> > On Wed, Feb 13, 2008 at 03:21:38PM +0100, Takashi Iwai wrote:
> > > At Wed, 13 Feb 2008 14:05:27 +0000,
> > > Luciano Rocha wrote:
> > > >
> > > > Hello,
> > > >
> > > > Is this known? I got the error while connecting usb headphones, running
> > > > vanilla 2.6.24.
> > >
> > > Not known. In which situation does it happen and is reproducible?
> > >
> >
> > Disconnecting and reconnecting doesn't result in error. I'll try a
> > reboot later.
>
> After a reboot I still don't get the error (tryed connecting and
> reconnecting the headset). Do you have any tests you want me to make?

Oh, if this is about replugging, I remember a long-standing bug in
usb-audio driver. Basically it happens when the device is reconnected
promptly during its device file is being opened. A kind of race
condition.


Takashi
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