Hi Sarah, After installing the custom kernel 3.1.0+ to support usb3.0 xhci debugging,problem occur. when I do lsusb on terminal it show me multiple root hub port of 2.0 which support xhci_hcd and when i attach my device then it not shows my device description in " lsusb -vvv"... how to resolve this issue Regards Shashank -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html