[  710.099543] unregister gadgetfs
[  714.515072] udc musb-hdrc.0.auto: registering UDC driver [g_serial]
[  714.519299] gserial_setup: registered 1 ttyGS* device
[  714.519364]  gadget: adding config #2 'CDC ACM config'/bf015e3c
[  714.519411]  gadget: adding 'acm'/df5c5140 to config 'CDC ACM config'/bf015e3c
[  714.519485]  gadget: acm ttyGS0: dual speed IN/ep1in OUT/ep1out NOTIFY/ep2in
[  714.519522]  gadget: cfg 2/bf015e3c speeds: high full
[  714.519553]  gadget:   interface 0 = acm/df5c5140
[  714.519582]  gadget:   interface 1 = acm/df5c5140
[  714.524733]  gadget: Gadget Serial v2.4
[  714.524821]  gadget: g_serial ready
[  714.524915] musb-hdrc musb-hdrc.0.auto: MUSB HDRC host driver
[  714.527684] musb-hdrc musb-hdrc.0.auto: new USB bus registered, assigned bus number 2
[  714.527767] musb-hdrc musb-hdrc.0.auto: supports USB remote wakeup
[  714.527957] usb usb2: default language 0x0409
[  714.528064] usb usb2: udev 1, busnum 2, minor = 128
[  714.528107] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
[  714.528146] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[  714.528182] usb usb2: Product: MUSB HDRC host driver
[  714.528216] usb usb2: Manufacturer: Linux 3.8.13-bone20 musb-hcd
[  714.528250] usb usb2: SerialNumber: musb-hdrc.0.auto
[  714.532430] usb usb2: usb_probe_device
[  714.532484] usb usb2: configuration #1 chosen from 1 choice
[  714.532618] usb usb2: adding 2-0:1.0 (config #1, interface 0)
[  714.533014] hub 2-0:1.0: usb_probe_interface
[  714.533055] hub 2-0:1.0: usb_probe_interface - got id
[  714.533109] hub 2-0:1.0: USB hub found
[  714.533181] hub 2-0:1.0: 1 port detected
[  714.533216] hub 2-0:1.0: standalone hub
[  714.533248] hub 2-0:1.0: individual port power switching
[  714.533436] hub 2-0:1.0: no over-current protection
[  714.533474] hub 2-0:1.0: Single TT
[  714.533512] hub 2-0:1.0: TT requires at most 8 FS bit times (666 ns)
[  714.533546] hub 2-0:1.0: power on to power good time: 10ms
[  714.533625] hub 2-0:1.0: local power source is good
[  714.533815] hub 2-0:1.0: enabling power on all ports
[  714.635305] hub 2-0:1.0: state 7 ports 1 chg 0000 evt 0000
[  714.635467] hub 2-0:1.0: hub_suspend
[  714.635542] usb usb2: bus auto-suspend, wakeup 1
ubuntu@ubuntu-armhf:~$