[  145.818123] xhci_hcd 0000:00:15.0: Port Status Change Event for port 2
[  145.818128] xhci_hcd 0000:00:15.0: handle_port_status: starting port polling.
[  145.818158] hub 1-0:1.0: state 7 ports 4 chg 0000 evt 0004
[  145.818164] xhci_hcd 0000:00:15.0: get port status, actual port 1 status  = 0x206e1
[  145.818166] xhci_hcd 0000:00:15.0: Get port status returned 0x10101
[  145.818181] xhci_hcd 0000:00:15.0: clear port connect change, actual port 1 status  = 0x6e1
[  145.818187] usb usb1-port2: status 0101, change 0001, 12 Mb/s
[  145.818191] xhci_hcd 0000:00:15.0: get port status, actual port 1 status  = 0x6e1
[  145.818192] xhci_hcd 0000:00:15.0: Get port status returned 0x101
[  145.826695] xhci_hcd 0000:00:15.0: xhci_hub_status_data: stopping port polling.
[  145.850709] xhci_hcd 0000:00:15.0: get port status, actual port 1 status  = 0x6e1
[  145.850711] xhci_hcd 0000:00:15.0: Get port status returned 0x101
[  145.886723] xhci_hcd 0000:00:15.0: get port status, actual port 1 status  = 0x6e1
[  145.886726] xhci_hcd 0000:00:15.0: Get port status returned 0x101
[  145.922739] xhci_hcd 0000:00:15.0: get port status, actual port 1 status  = 0x6e1
[  145.922741] xhci_hcd 0000:00:15.0: Get port status returned 0x101
[  145.958757] xhci_hcd 0000:00:15.0: get port status, actual port 1 status  = 0x6e1
[  145.958759] xhci_hcd 0000:00:15.0: Get port status returned 0x101
[  145.958768] usb usb1-port2: debounce total 100ms stable 100ms status 0x101
[  145.958774] xhci_hcd 0000:00:15.0: // Ding dong!
[  145.958795] xhci_hcd 0000:00:15.0: Slot 5 output ctx = 0xfffc3000 (dma)
[  145.958803] xhci_hcd 0000:00:15.0: Slot 5 input ctx = 0xfffaf000 (dma)
[  145.958812] xhci_hcd 0000:00:15.0: Set slot id 5 dcbaa entry 000000002c772f1f to 0xfffc3000
[  145.958838] xhci_hcd 0000:00:15.0: set port reset, actual port 1 status  = 0x791
[  146.016202] xhci_hcd 0000:00:15.0: Port Status Change Event for port 2
[  146.016206] xhci_hcd 0000:00:15.0: handle_port_status: starting port polling.
[  146.026776] xhci_hcd 0000:00:15.0: get port status, actual port 1 status  = 0x200e03
[  146.026778] xhci_hcd 0000:00:15.0: Get port status returned 0x100503
[  146.026790] xhci_hcd 0000:00:15.0: clear port reset change, actual port 1 status  = 0xe03
[  146.074795] xhci_hcd 0000:00:15.0: xhci_hub_status_data: stopping port polling.
[  146.086824] usb 1-2: new high-speed USB device number 6 using xhci_hcd
[  146.086828] xhci_hcd 0000:00:15.0: Set root hub portnum to 2
[  146.086830] xhci_hcd 0000:00:15.0: Set fake root hub portnum to 2
[  146.086832] xhci_hcd 0000:00:15.0: udev->tt =           (null)
[  146.086834] xhci_hcd 0000:00:15.0: udev->ttport = 0x0
[  146.086836] xhci_hcd 0000:00:15.0: // Ding dong!
[  146.086860] xhci_hcd 0000:00:15.0: Successful setup context command
[  146.086863] xhci_hcd 0000:00:15.0: Op regs DCBAA ptr = 0x000000fffff000
[  146.086866] xhci_hcd 0000:00:15.0: Slot ID 5 dcbaa entry @000000002c772f1f = 0x000000fffc3000
[  146.086868] xhci_hcd 0000:00:15.0: Output Context DMA address = 0xfffc3000
[  146.086870] xhci_hcd 0000:00:15.0: Internal device address = 0
[  146.086892] xhci_hcd 0000:00:15.0: Waiting for status stage event
[  146.086906] xhci_hcd 0000:00:15.0: set port reset, actual port 1 status  = 0xf91
[  146.144264] xhci_hcd 0000:00:15.0: Port Status Change Event for port 2
[  146.144267] xhci_hcd 0000:00:15.0: handle_port_status: starting port polling.
[  146.154840] xhci_hcd 0000:00:15.0: get port status, actual port 1 status  = 0x200e03
[  146.154842] xhci_hcd 0000:00:15.0: Get port status returned 0x100503
[  146.154854] xhci_hcd 0000:00:15.0: clear port reset change, actual port 1 status  = 0xe03
[  146.214864] xhci_hcd 0000:00:15.0: Resetting device with slot ID 5
[  146.214868] xhci_hcd 0000:00:15.0: // Ding dong!
[  146.214882] xhci_hcd 0000:00:15.0: Completed reset device command.
[  146.214888] xhci_hcd 0000:00:15.0: Can't reset device (slot ID 5) in default state
[  146.214890] xhci_hcd 0000:00:15.0: Not freeing device rings.
[  146.214893] xhci_hcd 0000:00:15.0: // Ding dong!
[  146.214949] xhci_hcd 0000:00:15.0: Successful setup address command
[  146.214953] xhci_hcd 0000:00:15.0: Op regs DCBAA ptr = 0x000000fffff000
[  146.214956] xhci_hcd 0000:00:15.0: Slot ID 5 dcbaa entry @000000002c772f1f = 0x000000fffc3000
[  146.214957] xhci_hcd 0000:00:15.0: Output Context DMA address = 0xfffc3000
[  146.214959] xhci_hcd 0000:00:15.0: Internal device address = 0
[  146.235019] usb 1-2: udev 6, busnum 1, minor = 5
[  146.235022] usb 1-2: New USB device found, idVendor=0424, idProduct=2504, bcdDevice= 0.01
[  146.235024] usb 1-2: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[  146.235178] usb 1-2: usb_probe_device
[  146.235182] usb 1-2: configuration #1 chosen from 1 choice
[  146.235203] xhci_hcd 0000:00:15.0: add ep 0x81, slot id 5, new drop flags = 0x0, new add flags = 0x8
[  146.235206] xhci_hcd 0000:00:15.0: xhci_check_bandwidth called for udev 000000004fcaf1f1
[  146.235209] xhci_hcd 0000:00:15.0: // Ding dong!
[  146.235404] xhci_hcd 0000:00:15.0: // Ding dong!
[  146.235558] usb 1-2: Available HS bandwidth on root hub port1 - 80 %
[  146.235561] xhci_hcd 0000:00:15.0: Available HS bandwidth on root hub port1 - 80 %
[  146.235563] usb 1-2: Available HS bandwidth on root hub port2 - 78 %
[  146.235565] xhci_hcd 0000:00:15.0: Available HS bandwidth on root hub port2 - 78 %
[  146.235567] usb 1-2: Available HS bandwidth on root hub port3 - 73 %
[  146.235569] xhci_hcd 0000:00:15.0: Available HS bandwidth on root hub port3 - 73 %
[  146.235571] usb 1-2: Available HS bandwidth on root hub port4 - 80 %
[  146.235573] xhci_hcd 0000:00:15.0: Available HS bandwidth on root hub port4 - 80 %
[  146.235577] xhci_hcd 0000:00:15.0: Successful Endpoint Configure command
[  146.235585] xhci_hcd 0000:00:15.0: // Ding dong!
[  146.235604] xhci_hcd 0000:00:15.0: Stopped on No-op or Link TRB for slot 5 ep 2
[  146.235611] xhci_hcd 0000:00:15.0: // Ding dong!
[  146.235834] usb 1-2: adding 1-2:1.0 (config #1, interface 0)
[  146.235871] hub 1-2:1.0: usb_probe_interface
[  146.235873] hub 1-2:1.0: usb_probe_interface - got id
[  146.235875] hub 1-2:1.0: USB hub found
[  146.235935] xhci_hcd 0000:00:15.0: Waiting for status stage event
[  146.235947] hub 1-2:1.0: 4 ports detected
[  146.235949] hub 1-2:1.0: standalone hub
[  146.235951] hub 1-2:1.0: ganged power switching
[  146.235952] hub 1-2:1.0: global over-current protection
[  146.235956] xhci_hcd 0000:00:15.0: xhci_drop_endpoint called for udev 000000004fcaf1f1
[  146.235972] xhci_hcd 0000:00:15.0: drop ep 0x81, slot id 5, new drop flags = 0x8, new add flags = 0x0
[  146.235991] xhci_hcd 0000:00:15.0: add ep 0x81, slot id 5, new drop flags = 0x8, new add flags = 0x8
[  146.235994] xhci_hcd 0000:00:15.0: xhci_check_bandwidth called for udev 000000004fcaf1f1
[  146.235997] xhci_hcd 0000:00:15.0: // Ding dong!
[  146.236192] xhci_hcd 0000:00:15.0: // Ding dong!
[  146.236344] usb 1-2: Available HS bandwidth on root hub port1 - 80 %
[  146.236347] xhci_hcd 0000:00:15.0: Available HS bandwidth on root hub port1 - 80 %
[  146.236349] usb 1-2: Available HS bandwidth on root hub port2 - 78 %
[  146.236351] xhci_hcd 0000:00:15.0: Available HS bandwidth on root hub port2 - 78 %
[  146.236353] usb 1-2: Available HS bandwidth on root hub port3 - 73 %
[  146.236355] xhci_hcd 0000:00:15.0: Available HS bandwidth on root hub port3 - 73 %
[  146.236357] usb 1-2: Available HS bandwidth on root hub port4 - 80 %
[  146.236359] xhci_hcd 0000:00:15.0: Available HS bandwidth on root hub port4 - 80 %
[  146.236362] xhci_hcd 0000:00:15.0: Successful Endpoint Configure command
[  146.236394] xhci_hcd 0000:00:15.0: // Ding dong!
[  146.236443] xhci_hcd 0000:00:15.0: Stopped on No-op or Link TRB for slot 5 ep 2
[  146.236454] xhci_hcd 0000:00:15.0: // Ding dong!
[  146.236660] hub 1-2:1.0: TT per port
[  146.236662] hub 1-2:1.0: TT requires at most 8 FS bit times (666 ns)
[  146.236664] hub 1-2:1.0: power on to power good time: 100ms
[  146.236755] hub 1-2:1.0: local power source is good
[  146.236757] hub 1-2:1.0: no over-current condition exists
[  146.236791] xhci_hcd 0000:00:15.0: xHCI version 100 needs hub TT think time and number of ports
[  146.236793] xhci_hcd 0000:00:15.0: Set up configure endpoint for hub device.
[  146.236796] xhci_hcd 0000:00:15.0: // Ding dong!
[  146.236993] xhci_hcd 0000:00:15.0: // Ding dong!
[  146.237144] usb 1-2: Available HS bandwidth on root hub port1 - 80 %
[  146.237147] xhci_hcd 0000:00:15.0: Available HS bandwidth on root hub port1 - 80 %
[  146.237150] usb 1-2: Available HS bandwidth on root hub port2 - 78 %
[  146.237152] xhci_hcd 0000:00:15.0: Available HS bandwidth on root hub port2 - 78 %
[  146.237154] usb 1-2: Available HS bandwidth on root hub port3 - 73 %
[  146.237155] xhci_hcd 0000:00:15.0: Available HS bandwidth on root hub port3 - 73 %
[  146.237157] usb 1-2: Available HS bandwidth on root hub port4 - 80 %
[  146.237159] xhci_hcd 0000:00:15.0: Available HS bandwidth on root hub port4 - 80 %
[  146.237163] xhci_hcd 0000:00:15.0: Successful Endpoint Configure command
[  146.237165] hub 1-2:1.0: enabling power on all ports
[  146.322913] xhci_hcd 0000:00:15.0: xhci_hub_status_data: stopping port polling.
[  146.339138] hub 1-2:1.0: state 7 ports 4 chg 0000 evt 0000
