Ubuntu使用USB 3.0的问题

笔记本USB 3.0接口在Ubuntu 11.10下无法使用，接USB2.0的设备也无法使用，但接口可做充电用……

USB 3.0控制器：Fresco Logic Controller

lsusb显示：
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 003: ID 13d3:5122 IMC Networks
Bus 002 Device 007: ID 1a81:1002