Hi Kieran,

On Wednesday 19 August 2009 14:35:05 kieran levin wrote:
> I just purchased a generic usb webcam. It works fine under windows  -
> but when I plug it in I get the following in my kernel logs. I guess it
> might be a new product/etc if you want to add it to your database.

Could you please send me the output of

lsusb -v -d 18ec:3290

using usbutils 0.72 or newer (0.73+ preferred) ?

> uvcvideo: Non-zero status (-62) in status completion handler.
> usb 2-2.1: USB disconnect, address 5

Have you disconnected and reconnected your device here, or were those events 
spontaneously generated ? In the later case you might want to check your 
cable.

> usb 2-2.1: new full speed USB device using ohci_hcd and address 9
> usb 2-2.1: device descriptor read/all, error -71

Double-check your cable. Or you got a really buggy device.

> usb 2-2.1: new full speed USB device using ohci_hcd and address 10
> usb 2-2.1: configuration #1 chosen from 1 choice
> uvcvideo: Found UVC 1.00 device USB2.0 PC CAMERA (18ec:3290)
> uvcvideo: Failed to query (135) UVC control 1 (unit 0) : 0 (exp. 26).
> input: USB2.0 PC CAMERA as ......

Try to load the driver with

modprobe quirks=2

and see if it helps. Make sure the driver isn't already loaded, otherwise the 
command will silently fail.

> the product is listed here. it also has a built in microphone.
> http://www.dealextreme.com/details.dx/sku.13
>
> if you need me to open up the case to verify any chips/parts I could also
> do that.

lsusb's output should be enough.

-- 
Laurent Pinchart
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