<div dir="ltr">Sorry Gabriel,<div><br></div><div>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...<br clear="all">
<div dir="ltr"><br></div><div dir="ltr">dmsg, lsusb, lsusb -t</div><div dir="ltr"><br></div><div dir="ltr"><div dir="ltr">[ 46.458327] ALSA urb.c:480: frame 0 active: -75</div><div dir="ltr">[ 46.461327] ALSA urb.c:480: frame 0 active: -75</div>
<div dir="ltr">[ 46.463328] ALSA urb.c:480: frame 0 active: -75</div><div dir="ltr">[ 46.466328] ALSA urb.c:480: frame 0 active: -75</div><div dir="ltr">[ 46.468329] ALSA urb.c:480: frame 0 active: -75</div><div dir="ltr">
[ 46.472326] ALSA urb.c:480: frame 0 active: -75</div><div dir="ltr">[ 46.475327] ALSA urb.c:480: frame 0 active: -75</div><div dir="ltr">[ 46.479328] ALSA urb.c:480: frame 0 active: -75</div><div dir="ltr">[ 46.482328] ALSA urb.c:480: frame 0 active: -75</div>
<div dir="ltr">[ 46.487329] ALSA urb.c:480: frame 0 active: -75</div><div dir="ltr">[ 46.489329] ALSA urb.c:480: frame 0 active: -75</div><div dir="ltr">[ 46.494290] ALSA urb.c:480: frame 0 active: -75</div><div dir="ltr">
[ 46.498322] ALSA urb.c:480: frame 0 active: -75</div><div dir="ltr">[ 46.501287] ALSA urb.c:480: frame 0 active: -75</div><div dir="ltr">[ 46.508331] ALSA urb.c:480: frame 0 active: -75</div><div dir="ltr">[ 46.560332] ALSA urb.c:480: frame 0 active: -75</div>
<div dir="ltr">[ 98.971734] ALSA urb.c:146: timeout: still 7 active urbs..</div><div dir="ltr">[ 104.970917] ALSA urb.c:146: timeout: still 2 active urbs..</div><div dir="ltr">[ 121.260876] ALSA pcm.c:223: 4:2:1: usb_set_interface failed</div>
<div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr"><div dir="ltr">Bus 004 Device 002: ID 046d:c31c Logitech, Inc. </div><div dir="ltr">Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub</div><div dir="ltr">
Bus 003 Device 004: ID 0763:200f Midiman M-Audio MobilePre</div><div dir="ltr">Bus 003 Device 003: ID 15ca:00c3 Textech International Ltd. Mini Optical Mouse</div><div dir="ltr">Bus 003 Device 002: ID 0408:3001 Quanta Computer, Inc. Optical Touch Screen</div>
<div dir="ltr">Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub</div><div dir="ltr">Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub</div><div dir="ltr">Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub</div>
<div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr">/: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=ohci_hcd/6p, 12M</div><div dir="ltr"> |__ Port 3: Dev 2, If 0, Class=HID, Driver=usbhid, 1.5M</div>
<div dir="ltr"> |__ Port 3: Dev 2, If 1, Class=HID, Driver=usbhid, 1.5M</div><div dir="ltr">/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=ohci_hcd/6p, 12M</div><div dir="ltr"> |__ Port 3: Dev 3, If 0, Class=HID, Driver=usbhid, 1.5M</div>
<div dir="ltr"> |__ Port 4: Dev 4, If 0, Class=audio, Driver=snd-usb-audio, 12M</div><div dir="ltr"> |__ Port 4: Dev 4, If 1, Class=audio, Driver=snd-usb-audio, 12M</div><div dir="ltr"> |__ Port 4: Dev 4, If 2, Class=audio, Driver=snd-usb-audio, 12M</div>
<div dir="ltr">/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci_hcd/6p, 480M</div><div dir="ltr">/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci_hcd/6p, 480M</div><div><br></div></div><div dir="ltr"><br></div>
</div>
<div dir="ltr"><br>...Rods ;-)<br><br></div>
<br><br><div class="gmail_quote">On Wed, Feb 2, 2011 at 09:58, Gabriel Beddingfield <span dir="ltr"><<a href="mailto:gabrbedd@gmail.com" target="_blank">gabrbedd@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div></div><div>And the usb interface is.... ??</div></div>
<br>
Does `dmesg` have any error messages?<br>
<br>
The output of `sudo lsusb` and `sudo lsusb -t` may also be helpful.<br>
(E.g. is the audio interface sharing a hub with something else?)<br>
<font color="#888888"><br>
-gabriel<br>
</font></blockquote></div><br></div></div>