Re: Two USB audio devices, kobject_add failed

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On 12/21/06, Pete Zaitcev <zaitcev@xxxxxxxxxx> wrote:
> On Wed, 20 Dec 2006 11:34:48 -0500, "Jon Smirl" <jonsmirl@xxxxxxxxx> wrote:
>
> Adding list to cc:
>
> > My new WebCam is a USB audio device and so is my sound system, PSC805.
> > When I boot sound doesn't initially work. If I unplug the PSC805 and
> > plug it back in again I get this. I don't get this using  only one
> > device at a time.
> >
> > [  176.243298] usb 2-2: configuration #1 chosen from 1 choice
> > [  176.298092] kobject_add failed for card1 with -EEXIST, don't try to register things with the same name in the same directory.
> > [  176.298125]  [<c01e690f>] kobject_add+0x10f/0x190
> > [  176.298156]  [<c023d1b7>] device_add+0xb7/0x530
> > [  176.298177]  [<c01e65df>] kobject_get+0xf/0x20
> > [  176.298184]  [<c01e69eb>] kobject_init+0x2b/0x40
> > [  176.298201]  [<c023d6c8>] device_create+0x88/0xc0
> > [  176.298220]  [<f8a21b87>] snd_card_register+0x2b7/0x320 [snd]
> > [  176.298253]  [<f8867c74>] usb_driver_claim_interface+0x84/0xb0 [usbcore]
>
> Jon, sorry for the finger-pointing, but you better take it up with ALSA
> people. It seems that snd_usb_audio_create calls snd_card_new incorrectly,
> but I have no idea what the constrains on the ID are, so I won't try to
> make a patch here.

This is 100% reproducible so if anyone knows how to fix it I can test patches.

>
> -- Pete
>


-- 
Jon Smirl
jonsmirl@xxxxxxxxx

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