Dear Eric, > Can you capture the log of "lspci -xxxx"? In your case, you should input the > command : lspci -s 02:00.0 -xxxx Here it is: 02:00.0 USB Controller: VIA Technologies, Inc. Device 3432 (rev 01) 00: 06 11 32 34 07 00 10 00 01 30 03 0c 40 00 00 00 10: 00 f0 af fb 00 00 00 00 00 00 00 00 00 00 00 00 20: 00 00 00 00 00 00 00 00 00 00 00 00 06 11 32 34 30: 00 00 00 00 80 00 00 00 00 00 00 00 0a 01 00 00 40: 00 00 00 00 00 00 00 00 09 90 82 37 00 00 00 00 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 60: 30 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80: 01 90 c3 ff 00 00 00 00 00 00 00 00 00 00 00 00 90: 05 c4 80 00 00 00 00 00 00 00 00 00 00 00 00 00 a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 10 00 02 00 81 88 08 08 10 28 10 00 d0: 12 50 06 00 00 00 11 10 00 00 00 00 00 00 00 00 e0: 00 00 00 00 00 00 00 00 12 00 00 00 00 00 00 00 f0: 00 00 00 00 02 00 00 00 00 00 00 00 00 00 00 00 100: 01 00 01 00 00 00 00 00 00 00 00 00 31 20 06 00 110: 00 00 00 00 00 20 00 00 00 00 00 00 00 00 00 00 120: 00 00 00 00 00 00 00 00 00 00 00 00 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00 00 00 00 00 00 00 00 00 00 00 f60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fa0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fd0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fe0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ff0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Leonid 14-MAR-2012 07:55:01 -- 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