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

[Rods Bobavich]

Sorry Gabriel,

USB interface is any one of the M-Audio Line. FastTrack USB, FastTrack Pro,
MobilePre USB... In other words multiple interfaces have been tested. This
problem is specific to this machine...

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
[   46.466328] ALSA urb.c:480: frame 0 active: -75
[   46.468329] ALSA urb.c:480: frame 0 active: -75
[   46.472326] ALSA urb.c:480: frame 0 active: -75
[   46.475327] ALSA urb.c:480: frame 0 active: -75
[   46.479328] ALSA urb.c:480: frame 0 active: -75
[   46.482328] ALSA urb.c:480: frame 0 active: -75
[   46.487329] ALSA urb.c:480: frame 0 active: -75
[   46.489329] ALSA urb.c:480: frame 0 active: -75
[   46.494290] ALSA urb.c:480: frame 0 active: -75
[   46.498322] ALSA urb.c:480: frame 0 active: -75
[   46.501287] ALSA urb.c:480: frame 0 active: -75
[   46.508331] ALSA urb.c:480: frame 0 active: -75
[   46.560332] ALSA urb.c:480: frame 0 active: -75
[   98.971734] ALSA urb.c:146: timeout: still 7 active urbs..
[  104.970917] ALSA urb.c:146: timeout: still 2 active urbs..
[  121.260876] ALSA pcm.c:223: 4:2:1: usb_set_interface failed


Bus 004 Device 002: ID 046d:c31c Logitech, Inc.
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 004: ID 0763:200f Midiman M-Audio MobilePre
Bus 003 Device 003: ID 15ca:00c3 Textech International Ltd. Mini Optical
Mouse
Bus 003 Device 002: ID 0408:3001 Quanta Computer, Inc. Optical Touch Screen
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub



/:  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



...Rods ;-)



On Wed, Feb 2, 2011 at 09:58, Gabriel Beddingfield <gabrbedd at gmail.com>wrote:

> And the usb interface is.... ??
>
> Does `dmesg` have any error messages?
>
> The output of `sudo lsusb` and `sudo lsusb -t` may also be helpful.
> (E.g. is the audio interface sharing a hub with something else?)
>
> -gabriel
>
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