/ # [ 287.215318] usb 2-1: USB disconnect, address 2
[ 287.225937] cfg80211: Calling CRDA for country: GB
[ 289.489855] usb 1-1: new high speed USB device using s5p-ehci and address 6
[ 289.610929] usb 1-1: device descriptor read/64, error -71
[ 289.837495] usb 1-1: device descriptor read/64, error -71
[ 290.052375] usb 1-1: new high speed USB device using s5p-ehci and address 7
[ 290.173439] usb 1-1: device descriptor read/64, error -71
[ 290.400018] usb 1-1: device descriptor read/64, error -71
[ 290.614856] usb 1-1: new high speed USB device using s5p-ehci and address 8
[ 291.036706] usb 1-1: device not accepting address 8, error -71
[ 291.146103] usb 1-1: new high speed USB device using s5p-ehci and address 9
[ 291.567936] usb 1-1: device not accepting address 9, error -71
[ 291.568028] hub 1-0:1.0: unable to enumerate USB device on port 1
[ 291.954686] usb 2-1: new full speed USB device using s5p-ohci and address 3
[ 292.105089] usb 2-1: not running at top speed; connect to a high speed hub
[ 292.130095] usb 2-1: New USB device found, idVendor=148f, idProduct=3071
[ 292.130155] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 292.130216] usb 2-1: Product: 802.11 n WLAN
[ 292.130254] usb 2-1: Manufacturer: Ralink
[ 292.130290] usb 2-1: SerialNumber: 1.0
[ 292.263299] usb 2-1: reset full speed USB device using s5p-ohci and address 3
有谁碰到过这个问题?