linuxaudio.org

On 11/08/2011 06:22 PM, Brendan Jones wrote:

quoted text
> On 11/07/2011 10:53 PM, Pablo Fernández wrote:

>> Hi!

>>

>> A few days ago in the alsa users mailing list, Clemens pointed to a

>> recent patch for the EHCI driver [1] [2] for solving the following

>> problem:

>>

>> The current TT scheduling doesn't allow to play and then record on a

>> full-speed device connected to a high speed hub.

>>

>

> I've had the same problem.

>

>  From what I've been able to gather from the LKML is that this occurred

> before the 3.2 staging merge.

>

> I'm looking forward to trying it out UA25EX / Asus N53SV (7 series) -

> would have done so already but my equipment is still in transit. Will

> let you know in a week or so when my container gets here.

>

> regards,

>

> Brendan

>

This patch has made it to the 3.3 kernel in Fedora and for some users

this has fixed the error "cannot submit datapipe for urb 0, error -28:

not enough bandwidth" on USB fullspeed devices like the UA25-EX.
regards,
Brendan

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