Thank you for your answer. I would like to add that the problem does not occur
in Ubuntu 10.10 neither, even if I use a USB hub. So, do you think that
updating the ehci_hcd driver can solve the problem?
On Tue, 12 Jul 2011 02:14 PM, Clemens Ladisch <[email protected]> wrote:
> Konstantinos Birkos wrote:
> > I am using an external USB audio capturing device (XLR to USB converter)
> > that is connected via a USB hub to a system running Voyage Linux. When
> > trying to record using the arecord utility, I get the following error:
> >
> > arecord: pcm_read: 1692: read error: Input/output error
> >
> > The error does not occur when I connect the USB audio device directly to
> > the USB port of the board.
>
> This is a bug in the ehci_hcd driver; it is not always able to correctly
> schedule full speed audio transfers through a high speed hub because it
> thinks that there is not enough bandwidth.
>
>
> Regards,
> Clemens
>
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