dmesg | grep usb
[ 4.330000] usbcore: registered new device driver usb
[ 5.910000] <6>probe for usb
[ 5.910000] <6>starting usb for 820
[ 5.910000] <6>usb hsmph ctrl set to:0x2a5435e0
[ 5.910000] drivers/usb/core/inode.c: creating file 'devices'
[ 5.910000] drivers/usb/core/inode.c: creating file '001'
[ 5.970000] usb usb1: default language 0x0409
[ 5.970000] usb usb1: udev 1, busnum 1, minor = 0
[ 5.970000] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 5.980000] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 5.990000] usb usb1: Product: OXNAS EHCI Host Controller
[ 5.990000] usb usb1: Manufacturer: Linux 2.6.31.6_SMP_820 ehci_hcd
[ 6.000000] usb usb1: SerialNumber: usb
[ 6.000000] usb usb1: uevent
[ 6.000000] usb usb1: usb_probe_device
[ 6.000000] usb usb1: configuration #1 chosen from 1 choice
[ 6.010000] usb usb1: adding 1-0:1.0 (config #1, interface 0)
[ 6.010000] usb 1-0:1.0: uevent
[ 6.010000] hub 1-0:1.0: usb_probe_interface
[ 6.010000] hub 1-0:1.0: usb_probe_interface - got id
[ 6.020000] drivers/usb/core/inode.c: creating file '001'
[ 6.020000] usbcore: registered new interface driver usb-storage
[ 6.030000] usbcore: registered new interface driver libusual
[ 6.040000] usbcore: registered new interface driver hiddev
[ 6.050000] usbcore: registered new interface driver usbhid
[ 6.060000] usbhid: v2.6:USB HID core driver
[ 6.330000] usb 1-1: new high speed USB device using oxnas-ehci and address 2
[ 6.480000] usb 1-1: default language 0x0409
[ 6.480000] usb 1-1: udev 2, busnum 1, minor = 1
[ 6.480000] usb 1-1: New USB device found, idVendor=05e3, idProduct=0608
[ 6.480000] usb 1-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0
[ 6.490000] usb 1-1: Product: USB2.0 Hub
[ 6.490000] usb 1-1: uevent
[ 6.500000] usb 1-1: usb_probe_device
[ 6.500000] usb 1-1: configuration #1 chosen from 1 choice
[ 6.500000] usb 1-1: adding 1-1:1.0 (config #1, interface 0)
[ 6.500000] usb 1-1:1.0: uevent
[ 6.500000] hub 1-1:1.0: usb_probe_interface
[ 6.500000] hub 1-1:1.0: usb_probe_interface - got id
[ 6.510000] drivers/usb/core/inode.c: creating file '002'
[ 6.710000] usb 1-1: link qh256-0001/ffc00100 start 1 [1/0 us]
[ 6.790000] usb 1-1.3: new full speed USB device using oxnas-ehci and address 3
[ 6.900000] usb 1-1.3: ep0 maxpacket = 8
[ 6.900000] usb 1-1: clear tt buffer port 3, a3 ep0 t800a0d40
[ 11.900000] usb 1-1.3: khubd timed out on ep0in len=0/10
[ 16.900000] usb 1-1.3: khubd timed out on ep0in len=0/9
[ 16.900000] usb 1-1.3: unable to read config index 0 descriptor/start: -110
[ 16.900000] usb 1-1.3: chopping to 0 config(s)
[ 16.910000] usb 1-1.3: udev 3, busnum 1, minor = 2
[ 16.910000] usb 1-1.3: New USB device found, idVendor=0403, idProduct=6001
[ 16.910000] usb 1-1.3: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 16.920000] usb 1-1.3: uevent
[ 16.920000] usb 1-1.3: usb_probe_device
[ 16.920000] usb 1-1.3: no configuration chosen from 0 choices
[ 16.930000] drivers/usb/core/inode.c: creating file '003'
[ 17.010000] usb 1-1.4: new high speed USB device using oxnas-ehci and address 4
[ 17.120000] usb 1-1.4: default language 0x0409
[ 17.120000] usb 1-1.4: udev 4, busnum 1, minor = 3
[ 17.120000] usb 1-1.4: New USB device found, idVendor=8564, idProduct=1000
[ 17.120000] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 17.130000] usb 1-1.4: Product: Mass Storage Device
[ 17.140000] usb 1-1.4: Manufacturer: JetFlash
[ 17.140000] usb 1-1.4: SerialNumber: 74UM13WWA56NF0ZS
[ 17.150000] usb 1-1.4: uevent
[ 17.150000] usb 1-1.4: usb_probe_device
[ 17.150000] usb 1-1.4: configuration #1 chosen from 1 choice
[ 17.150000] usb 1-1.4: adding 1-1.4:1.0 (config #1, interface 0)
[ 17.150000] usb 1-1.4:1.0: uevent
[ 17.150000] usb-storage 1-1.4:1.0: usb_probe_interface
[ 17.150000] usb-storage 1-1.4:1.0: usb_probe_interface - got id
[ 17.160000] usb-storage: device found at 4
[ 17.160000] usb-storage: waiting for device to settle before scanning
[ 17.160000] drivers/usb/core/inode.c: creating file '004'
[ 22.330000] usb-storage: device scan complete
[ 23.310000] usb usb1: uevent
[ 23.310000] usb 1-0:1.0: uevent
[ 23.310000] usb 1-1: uevent
[ 23.310000] usb 1-1.3: uevent
[ 23.310000] usb 1-1.4: uevent
[ 23.310000] usb 1-1.4:1.0: uevent
[ 23.310000] usb 1-1:1.0: uevent
[ 23.470000] usb 1-1.4:1.0: uevent
[ 23.470000] usb 1-1.4: uevent
[ 23.610000] usb 1-1.4:1.0: uevent
[ 130.320000] usb 1-1.3: lsusb timed out on ep0in len=0/10
[ 130.320000] usb 1-1.3: usbfs: USBDEVFS_CONTROL failed cmd lsusb rqt 128 rq 6 len 10 ret -110
[ 135.320000] usb 1-1.3: lsusb timed out on ep0in len=0/4
[ 135.320000] usb 1-1.3: usbfs: USBDEVFS_CONTROL failed cmd lsusb rqt 128 rq 6 len 4 ret -110
[ 140.320000] usb 1-1.3: lsusb timed out on ep0in len=0/2
[ 140.320000] usb 1-1.3: usbfs: USBDEVFS_CONTROL failed cmd lsusb rqt 128 rq 0 len 2 ret -110
[ 1825.040000] usb usb1: uevent
[ 1825.040000] usb 1-0:1.0: uevent
[ 1825.040000] usb 1-1: uevent
[ 1825.040000] usb 1-1.3: uevent
[ 1825.040000] usb 1-1.4: uevent
[ 1825.040000] usb 1-1.4:1.0: uevent
[ 1825.050000] usb 1-1:1.0: uevent
[11857.700000] usb 1-1.3: USB disconnect, address 3
[11857.700000] usb 1-1.3: unregistering device
[11857.700000] usb 1-1.3: usb_disable_device nuking all URBs