[ 4525.176246] usb 8-2: USB disconnect, device number 2
[ 4525.176803] pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0
[ 4525.176855] pl2303 8-2:1.0: device disconnected
[ 5288.612159] usb 8-2: new full-speed USB device number 3 using uhci_hcd
[ 5288.764463] usb 8-2: New USB device found, idVendor=067b, idProduct=2303
[ 5288.764476] usb 8-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 5288.764484] usb 8-2: Product: USB-Serial Controller
[ 5288.764491] usb 8-2: Manufacturer: Prolific Technology Inc.
[ 5288.770988] pl2303 8-2:1.0: pl2303 converter detected
[ 5288.782698] usb 8-2: pl2303 converter now attached to ttyUSB0
[ 5629.024150] usb 8-2: USB disconnect, device number 3
[ 5629.024403] pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0
[ 5629.024427] pl2303 8-2:1.0: device disconnected
[ 5647.380230] usb 8-2: new full-speed USB device number 4 using uhci_hcd
[ 5647.538388] usb 8-2: New USB device found, idVendor=067b, idProduct=2303
[ 5647.538400] usb 8-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 5647.538408] usb 8-2: Product: USB-Serial Controller
[ 5647.538415] usb 8-2: Manufacturer: Prolific Technology Inc.
[ 5647.542456] pl2303 8-2:1.0: pl2303 converter detected
[ 5647.554601] usb 8-2: pl2303 converter now attached to ttyUSB0
dupos@dupos-HP-Compaq-6730s:~$