Re: [Alsa-devel] Problems with Hercules DJ Console and the usb-audio driver
On Wed, Sep 14, 2005 at 03:29:13PM +0200, Daniel Svensson wrote:
> Hi
>
> CONFIG_USB_BANDWIDTH is enabled by default in the debian kernel. Could
> this be changed? According to the alsa developer who helped me debug the
> problem with my usb soundcard CONFIG_USB_BANDWIDTH should be disabled.
> The original email is forwarded here:
That sounds fair enough to me, as long there are no objections
from the rest of the kernel-team.
Clemens, could you provide a little more information on
the problems that CONFIG_USB_BANDWIDTH causes?
Thanks
--
Horms
> ----- Forwarded message from Clemens Ladisch <clemens@ladisch.de> -----
>
> From: Clemens Ladisch <clemens@ladisch.de>
> To: Daniel Svensson <nano@nittionio.nu>
> Subject: Re: [Alsa-devel] Problems with Hercules DJ Console and the usb-audio
> driver
>
> Daniel Svensson wrote:
> > Here is the output of "amixer scontents":
> > ...
> > Which doesn't match alsamixer controls very well (in count and names).
>
> What is the output of "amixer contents"?
>
> > Ok, so some progress. The device accepts S16, 6 channels, 48kHz.
> > Still no output, fails with kernel message:
> >
> > ALSA /hom.../usbaudio.c:807: cannot submit datapipe for urb 5, err = -28
>
> 28 = ENOSPC. Please disable bandwidth checking in the kernel
> configuration. (This is a bug of your distribution unless you
> compiled the kernel yourself.)
>
>
> HTH
> Clemens
>
>
>
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> --
> Daniel Svensson <nano@nittionio.nu>
>
>
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