[LAD] snd-usb-audio dying on jackd xruns

[Gabriel Beddingfield]

On Wed, Feb 2, 2011 at 11:24 AM, Rods Bobavich <rodnisms at gmail.com> wrote:
> dmsg, lsusb, lsusb -t
> [   46.458327] ALSA urb.c:480: frame 0 active: -75
> [   46.461327] ALSA urb.c:480: frame 0 active: -75
> [   46.463328] ALSA urb.c:480: frame 0 active: -75

URB is kind of a bulk transfer protocol.  Not sure what this error
message means without digging in.

> /:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=ohci_hcd/6p, 12M
>     |__ Port 3: Dev 2, If 0, Class=HID, Driver=usbhid, 1.5M
>     |__ Port 3: Dev 2, If 1, Class=HID, Driver=usbhid, 1.5M
> /:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=ohci_hcd/6p, 12M
>     |__ Port 3: Dev 3, If 0, Class=HID, Driver=usbhid, 1.5M
>     |__ Port 4: Dev 4, If 0, Class=audio, Driver=snd-usb-audio, 12M
>     |__ Port 4: Dev 4, If 1, Class=audio, Driver=snd-usb-audio, 12M
>     |__ Port 4: Dev 4, If 2, Class=audio, Driver=snd-usb-audio, 12M
> /:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci_hcd/6p, 480M
> /:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci_hcd/6p, 480M

Try plugging it into different USB ports.  Looks like you're sharing
it with a mouse or something (possibly internally on the MoBo).

-gabriel