ADB over USB on Mini6410

mickael9
Hi.

I'm trying to use ADB over USB on the Mini6410 with the latest android
image (from Mini6410B-20120726.iso)

I connect my linux laptop to the mini USB port of the board, but the device
is not recognized, 
Here is the dmesg of my laptop after connecting the board : 

Aug 15 19:08:26 mickarch kernel: [  142.962087] usb 4-1.2: new full-speed
USB device number 16 using ehci_hcd
Aug 15 19:08:26 mickarch kernel: [  143.028860] usb 4-1.2: device
descriptor read/64, error -32
Aug 15 19:08:27 mickarch kernel: [  143.198672] usb 4-1.2: device
descriptor read/64, error -32
Aug 15 19:08:27 mickarch kernel: [  143.368416] usb 4-1.2: new full-speed
USB device number 17 using ehci_hcd
Aug 15 19:08:27 mickarch kernel: [  143.435098] usb 4-1.2: device
descriptor read/64, error -32
Aug 15 19:08:27 mickarch kernel: [  143.604967] usb 4-1.2: device
descriptor read/64, error -32
Aug 15 19:08:27 mickarch kernel: [  143.774770] usb 4-1.2: new full-speed
USB device number 18 using ehci_hcd
Aug 15 19:08:28 mickarch kernel: [  144.180907] usb 4-1.2: device not
accepting address 18, error -32
Aug 15 19:08:28 mickarch kernel: [  144.247828] usb 4-1.2: new full-speed
USB device number 19 using ehci_hcd
Aug 15 19:08:28 mickarch kernel: [  144.653890] usb 4-1.2: device not
accepting address 19, error -32
Aug 15 19:08:28 mickarch kernel: [  144.654146] hub 4-1:1.0: unable to
enumerate USB device on port 2


USB debugging is enabled in Android settings.
Am I doing something wrong ?