Re: Device probing

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On Fri, Aug 04, 2006 at 12:56:16PM +0300, Makrydakis Giannhs wrote:
> 
> 
> Hi,
> The usb device driver I wrote, gets registered but it doesn't probe when I 
> plug in the device. I'm not sure about the vendor and product id.
> 
> the messages i can see with dmesg are:
> usb 1-1.2: new full speed USB device using uhci_hcd and address 8
> usb 1-1.2: device descriptor read/64, error -71
> usb 1-1.2: device descriptor read/64, error -71
> usb 1-1.2: new full speed USB device using uhci_hcd and address 9
> usb 1-1.2: device descriptor read/64, error -71
> usb 1-1.2: device descriptor read/64, error -71
> usb 1-1.2: new full speed USB device using uhci_hcd and address 10
> usb 1-1.2: device not accepting address 10, error -71
> usb 1-1.2: new full speed USB device using uhci_hcd and address 11
> usb 1-1.2: device not accepting address 11, error -71

Looks like your device is broken :(
Do any other USB devices work on this machine?

> how can i get the vendor and product id. any ideas?

You need to get the device to enumerate and connect properly first.

thanks,

greg k-h

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