Have anyone come across the problem like that,once the kernel boots it print:
usb 2-1: new low speed USB device number 3 using fsl-ehci
usb 2-1: device not accepting address 3, error -71 +++ hub_port_connect_change:udev->level :1 usb 2-1: new low speed USB device number 4 using fsl-ehci usb 2-1: device descriptor read/64, error -71 usb 2-1: device descriptor read/64, error -71 +++ hub_port_connect_change:udev->level :1 usb 2-1: new low speed USB device number 5 using fsl-ehci usb 2-1: device descriptor read/64, error -71
It seems the usb cant register to the kernel.
Any help woule be preciated,thanks.
Best Regards
------------------
Lian jianfei
5F, No.15, Ke Hui 2nd Street, Ke Hui Development Centre Science Avenue, Science City, Luo Gang District Guangzhou, China 510663