[178235.428201] usb 1-1.2: New USB device found, idVendor=20b7, idProduct=0713
[178235.428208] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[178235.428213] usb 1-1.2: Product: Milkymist One JTAG/Serial
[178235.428217] usb 1-1.2: Manufacturer: Qi Hardware
[178235.428221] usb 1-1.2: SerialNumber: FTU1N0RI
[178235.431207] usb 1-1.2: Ignoring serial port reserved for JTAG
[178235.433930] ftdi_sio 1-1.2:1.1: FTDI USB Serial Device converter detected
[178235.433995] usb 1-1.2: Detected FT2232H
[178235.434001] usb 1-1.2: Number of endpoints 2
[178235.434006] usb 1-1.2: Endpoint 1 MaxPacketSize 512
[178235.434012] usb 1-1.2: Endpoint 2 MaxPacketSize 512
[178235.434047] usb 1-1.2: Setting MaxPacketSize 512
[178235.434360] usb 1-1.2: FTDI USB Serial Device converter now attached to ttyUSB0
[178331.725299] usb 1-1.2: usbfs: usb_submit_urb returned -121
[178855.508729] usb 1-1.2: USB disconnect, address 57
[178855.509131] ftdi_sio ttyUSB0: FTDI USB Serial Device converter now disconnected from ttyUSB0
[178855.509163] ftdi_sio 1-1.2:1.1: device disconnected
[178859.525736] usb 1-1.2: new high speed USB device using ehci_hcd and address 58
[178859.616515] usb 1-1.2: New USB device found, idVendor=20b7, idProduct=0713
[178859.616520] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[178859.616525] usb 1-1.2: Product: Milkymist One JTAG/Serial
[178859.616528] usb 1-1.2: Manufacturer: Qi Hardware
[178859.616531] usb 1-1.2: SerialNumber: FTU1N0RI
[178859.625511] usb 1-1.2: Ignoring serial port reserved for JTAG
[178859.628314] ftdi_sio 1-1.2:1.1: FTDI USB Serial Device converter detected
[178859.628455] usb 1-1.2: Detected FT2232H
[178859.628462] usb 1-1.2: Number of endpoints 2
[178859.628467] usb 1-1.2: Endpoint 1 MaxPacketSize 512
[178859.628473] usb 1-1.2: Endpoint 2 MaxPacketSize 512
[178859.628479] usb 1-1.2: Setting MaxPacketSize 512
[178859.629167] usb 1-1.2: FTDI USB Serial Device converter now attached to ttyUSB0