can't get debug descriptor: Input/output error Bus /dev/usb Device /dev/ugen1.5: ID 1f75:0917 Innostor Technology Corporation IS917 Mass storage Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.10 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 idVendor 0x1f75 Innostor Technology Corporation idProduct 0x0917 IS917 Mass storage bcdDevice 0.01 iManufacturer 1 Innostor iProduct 2 PenDrive iSerial 3 ... bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 32 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0x80 (Bus Powered) MaxPower 200mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 8 Mass Storage bInterfaceSubClass 6 SCSI bInterfaceProtocol 80 Bulk-Only iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x02 EP 2 OUT bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 Device Qualifier (for other device speed): bLength 10 bDescriptorType 6 bcdUSB 2.10 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 bNumConfigurations 1 Device Status: 0x0000 (Bus Powered) Binary Object Store Descriptor: bLength 5 bDescriptorType 15 wTotalLength 22 bNumDeviceCaps 2 USB 2.0 Extension Device Capability: bLength 7 bDescriptorType 16 bDevCapabilityType 2 bmAttributes 0x00000006 Link Power Management (LPM) Supported SuperSpeed USB Device Capability: bLength 10 bDescriptorType 16 bDevCapabilityType 3 bmAttributes 0x00 Latency Tolerance Messages (LTM) Supported wSpeedsSupported 0x000e Device can operate at Full Speed (12Mbps) Device can operate at High Speed (480Mbps) Device can operate at SuperSpeed (5Gbps) bFunctionalitySupport 0 Lowest fully-functional device speed is Low Speed (1Mbps) bU1DevExitLat 1 micro seconds bU2DevExitLat 2592 micro seconds Bus /dev/usb Device /dev/ugen1.4: ID 0461:4d0f Primax Electronics, Ltd HP Optical Mouse Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 8 idVendor 0x0461 Primax Electronics, Ltd idProduct 0x4d0f HP Optical Mouse bcdDevice 1.00 iManufacturer 1 PixArt iProduct 2 USB Optical Mouse iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 34 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xa0 (Bus Powered) Remote Wakeup MaxPower 100mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 3 Human Interface Device bInterfaceSubClass 1 Boot Interface Subclass bInterfaceProtocol 2 Mouse iInterface 0 HID Device Descriptor: bLength 9 bDescriptorType 33 bcdHID 1.11 bCountryCode 0 Not supported bNumDescriptors 1 bDescriptorType 34 Report wDescriptorLength 79 Report Descriptor: (length is 79) Item(Global): Usage Page, data= [ 0x01 ] 1 Generic Desktop Controls Item(Local ): Usage, data= [ 0x02 ] 2 Mouse Item(Main ): Collection, data= [ 0x01 ] 1 Application Item(Local ): Usage, data= [ 0x01 ] 1 Pointer Item(Main ): Collection, data= [ 0x00 ] 0 Physical Item(Global): Usage Page, data= [ 0x09 ] 9 Buttons Item(Local ): Usage Minimum, data= [ 0x01 ] 1 Button 1 (Primary) Item(Local ): Usage Maximum, data= [ 0x03 ] 3 Button 3 (Tertiary) Item(Global): Logical Minimum, data= [ 0x00 ] 0 Item(Global): Logical Maximum, data= [ 0x01 ] 1 Item(Global): Report Size, data= [ 0x01 ] 1 Item(Global): Report Count, data= [ 0x03 ] 3 Item(Main ): Input, data= [ 0x02 ] 2 Data Variable Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Global): Report Size, data= [ 0x05 ] 5 Item(Global): Report Count, data= [ 0x01 ] 1 Item(Main ): Input, data= [ 0x03 ] 3 Constant Variable Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Global): Usage Page, data= [ 0x00 0xff ] 65280 (null) Item(Local ): Usage, data= [ 0x40 ] 64 (null) Item(Global): Report Count, data= [ 0x02 ] 2 Item(Global): Report Size, data= [ 0x08 ] 8 Item(Global): Logical Minimum, data= [ 0x81 ] 129 Item(Global): Logical Maximum, data= [ 0x7f ] 127 Item(Main ): Input, data= [ 0x02 ] 2 Data Variable Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Global): Usage Page, data= [ 0x01 ] 1 Generic Desktop Controls Item(Local ): Usage, data= [ 0x38 ] 56 Wheel Item(Global): Logical Minimum, data= [ 0x81 ] 129 Item(Global): Logical Maximum, data= [ 0x7f ] 127 Item(Global): Report Size, data= [ 0x08 ] 8 Item(Global): Report Count, data= [ 0x01 ] 1 Item(Main ): Input, data= [ 0x06 ] 6 Data Variable Relative No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Local ): Usage, data= [ 0x30 ] 48 Direction-X Item(Local ): Usage, data= [ 0x31 ] 49 Direction-Y Item(Global): Logical Minimum, data= [ 0x01 0x80 ] 32769 Item(Global): Logical Maximum, data= [ 0xff 0x7f ] 32767 Item(Global): Report Size, data= [ 0x10 ] 16 Item(Global): Report Count, data= [ 0x02 ] 2 Item(Main ): Input, data= [ 0x06 ] 6 Data Variable Relative No_Wrap Linear can't get device qualifier: Input/output error can't get debug descriptor: Input/output error Preferred_State No_Null_Position Non_Volatile Bitfield Item(Main ): End Collection, data=none Item(Main ): End Collection, data=none Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0008 1x 8 bytes bInterval 10 Device Status: 0x0000 (Bus Powered) Bus /dev/usb Device /dev/ugen1.3: ID 046d:c31c Logitech, Inc. Keyboard K120 Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 1.10 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 8 idVendor 0x046d Logitech, Inc. idProduct 0xc31c Keyboard K120 bcdDevice 64.00 iManufacturer 1 Logitech iProduct 2 USB Keyboard iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 59 bNumInterfaces 2 bConfigurationValue 1 iConfiguration 3 U64.00_B0001 bmAttributes 0xa0 (Bus Powered) Remote Wakeup MaxPower 90mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 3 Human Interface Device bInterfaceSubClass 1 Boot Interface Subclass bInterfaceProtocol 1 Keyboard iInterface 2 USB Keyboard HID Device Descriptor: bLength 9 bDescriptorType 33 bcdHID 1.10 bCountryCode 0 Not supported bNumDescriptors 1 bDescriptorType 34 Report wDescriptorLength 65 Report Descriptor: (length is 65) Item(Global): Usage Page, data= [ 0x01 ] 1 Generic Desktop Controls Item(Local ): Usage, data= [ 0x06 ] 6 Keyboard Item(Main ): Collection, data= [ 0x01 ] 1 Application Item(Global): Usage Page, data= [ 0x07 ] 7 Keyboard Item(Local ): Usage Minimum, data= [ 0xe0 ] 224 Control Left Item(Local ): Usage Maximum, data= [ 0xe7 ] 231 GUI Right Item(Global): Logical Minimum, data= [ 0x00 ] 0 Item(Global): Logical Maximum, data= [ 0x01 ] 1 Item(Global): Report Size, data= [ 0x01 ] 1 Item(Global): Report Count, data= [ 0x08 ] 8 Item(Main ): Input, data= [ 0x02 ] 2 Data Variable Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Global): Report Count, data= [ 0x01 ] 1 Item(Global): Report Size, data= [ 0x08 ] 8 Item(Main ): Input, data= [ 0x01 ] 1 Constant Array Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Global): Report Count, data= [ 0x05 ] 5 Item(Global): Report Size, data= [ 0x01 ] 1 Item(Global): Usage Page, data= [ 0x08 ] 8 LEDs Item(Local ): Usage Minimum, data= [ 0x01 ] 1 NumLock Item(Local ): Usage Maximum, data= [ 0x05 ] 5 Kana Item(Main ): Output, data= [ 0x02 ] 2 Data Variable Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Global): Report Count, data= [ 0x01 ] 1 Item(Global): Report Size, data= [ 0x03 ] 3 Item(Main ): Output, data= [ 0x01 ] 1 Constant Array Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Global): Report Count, data= [ 0x06 ] 6 Item(Global): Report Size, data= [ 0x08 ] 8 Item(Global): Logical Minimum, data= [ 0x00 ] 0 Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255 Item(Global): Usage Page, data= [ 0x07 ] 7 Keyboard Item(Local ): Usage Minimum, data= [ 0x00 ] 0 No Event Item(Local ): Usage Maximum, data= [ 0xff 0x00 ] 255 (null) Item(Main ): Input, data= [ 0x00 ] 0 Data Array Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Main ): End Collection, data=none Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0008 1x 8 bytes bInterval 10 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 3 Human Interface Device bInterfaceSubClass 0 No Subclass bInterfaceProtocol 0 None iInterface 2 USB Keyboard HID Device Descriptor: bLength 9 bDescriptorType 33 bcdHID 1.10 bCountryCode 0 Not supported bNumDescriptors 1 bDescriptorType 34 Report wDescriptorLength 159 Report Descriptor: (length is 159) Item(Global): Usage Page, data= [ 0x0c ] 12 Consumer Item(Local ): Usage, data= [ 0x01 ] 1 Consumer Control Item(Main ): Collection, data= [ 0x01 ] 1 Application Item(Global): Report ID, data= [ 0x01 ] 1 Item(Local ): Usage, data= [ 0xe0 ] 224 Volume Item(Global): Logical Minimum, data= [ 0xe8 ] 232 Item(Global): Logical Maximum, data= [ 0x18 ] 24 Item(Global): Report Size, data= [ 0x07 ] 7 Item(Global): Report Count, data= [ 0x01 ] 1 Item(Main ): Input, data= [ 0x06 ] 6 Data Variable Relative No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Global): Logical Minimum, data= [ 0x00 ] 0 Item(Global): Logical Maximum, data= [ 0x01 ] 1 Item(Global): Report Size, data= [ 0x01 ] 1 Item(Local ): Usage, data= [ 0xe2 ] 226 Mute Item(Main ): Input, data= [ 0x06 ] 6 Data Variable Relative No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Main ): End Collection, data=none Item(Global): Usage Page, data= [ 0x01 0x00 ] 1 Generic Desktop Controls Item(Local ): Usage, data= [ 0x80 ] 128 System Control Item(Main ): Collection, data= [ 0x01 ] 1 Application Item(Global): Report ID, data= [ 0x02 ] 2 Item(Global): Logical Maximum, data= [ 0x01 ] 1 Item(Global): Logical Minimum, data= [ 0x00 ] 0 Item(Global): Report Size, data= [ 0x01 ] 1 Item(Local ): Usage, data= [ 0x81 0x00 ] 129 System Power Down Item(Local ): Usage, data= [ 0x82 0x00 ] 130 System Sleep Item(Local ): Usage, data= [ 0x83 0x00 ] 131 System Wake Up Item(Global): Report Count, data= [ 0x03 ] 3 Item(Main ): Input, data= [ 0x06 ] 6 Data Variable Relative No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Global): Report Count, data= [ 0x05 ] 5 Item(Main ): Input, data= [ 0x01 ] 1 Constant Array Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Main ): End Collection, data=none Item(Global): Usage Page, data= [ 0x0c 0x00 ] 12 Consumer Item(Local ): Usage, data= [ 0x01 ] 1 Consumer Control Item(Main ): Collection, data= [ 0x01 ] 1 Application Item(Global): Report ID, data= [ 0x03 ] 3 Item(Global): Logical Maximum, data= [ 0x01 ] 1 Item(Global): Logical Minimum, data= [ 0x00 ] 0 Item(Global): Report Size, data= [ 0x01 ] 1 Item(Local ): Usage, data= [ 0xb5 0x00 ] 181 Scan Next Track Item(Local ): Usage, data= [ 0xb6 0x00 ] 182 Scan Previous Track Item(Local ): Usage, data= [ 0xb7 0x00 ] 183 Stop Item(Local ): Usage, data= [ 0xb8 0x00 ] 184 Eject Item(Local ): Usage, data= [ 0xcd 0x00 ] 205 Play/Pause Item(Local ): Usage, data= [ 0xe2 0x00 ] 226 Mute Item(Local ): Usage, data= [ 0xe9 0x00 ] 233 Volume Increment Item(Local ): Usage, data= [ 0xea 0x00 ] 234 Volume Decrement Item(Global): Report Count, data= [ 0x08 ] 8 Item(Main ): Input, data= [ 0x02 ] 2 Data Variable Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Local ): Usage, data= [ 0x83 0x01 ] 387 AL Consumer Control Configuration Item(Local ): Usage, data= [ 0x8a 0x01 ] 394 AL Email Reader Item(Local ): Usage, data= [ 0x92 0x01 ] 402 AL Calculator Item(Local ): Usage, data= [ 0x94 0x01 ] 404 AL Local Machine Browser Item(Local ): Usage, data= [ 0x21 0x02 ] 545 AC Search Item(Local ): Usage, data= [ 0x23 0x02 ] 547 AC Home Item(Local ): Usage, data= [ 0x24 0x02 ] 548 AC Back Item(Local ): Usage, data= [ 0x25 0x02 ] 549 AC Forward Item(Global): Report Count, data= [ 0x08 ] 8 Item(Main ): Input, data= [ 0x02 ] 2 Data Variable Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Local ): Usage, data= [ 0x26 0x02 ] 550 AC Stop Item(Local ): Usage, data= [ 0x27 0x02 ] 551 AC Refresh Item(Local ): Usage, data= [ 0x2a 0x02 ] 554 (null) Item(Local ): Usage, data= [ 0xb3 0x00 ] 179 Fast Forward Item(Local ): Usage, data= [ 0xb4 0x00 ] 180 Rewind Item(Global): Report Count, data= [ 0x05 ] 5 Item(Main ): Input, data= [ 0x02 ] 2 can't get debug descriptor: Input/output error Data Variable Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Global): Report Count, data= [ 0x03 ] 3 Item(Main ): Input, data= [ 0x01 ] 1 Constant Array Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Main ): End Collection, data=none Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x82 EP 2 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0004 1x 4 bytes bInterval 255 Device Status: 0x0000 (Bus Powered) Bus /dev/usb Device /dev/ugen1.2: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 9 Hub bDeviceSubClass 0 Unused bDeviceProtocol 1 Single TT bMaxPacketSize0 64 idVendor 0x8087 Intel Corp. idProduct 0x0024 Integrated Rate Matching Hub bcdDevice 0.00 iManufacturer 0 iProduct 0 iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 25 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xe0 Self Powered Remote Wakeup MaxPower 0mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 9 Hub bInterfaceSubClass 0 Unused bInterfaceProtocol 0 Full speed (or root) hub iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0002 1x 2 bytes bInterval 12 Hub Descriptor: bLength 11 bDescriptorType 41 nNbrPorts 8 wHubCharacteristic 0x0009 Per-port power switching Per-port overcurrent protection TT think time 8 FS bits bPwrOn2PwrGood 50 * 2 milli seconds bHubContrCurrent 0 milli Ampere DeviceRemovable 0x00 0x00 PortPwrCtrlMask 0xff 0xff Hub Port Status: Port 1: 0000.0303 lowspeed power enable connect Port 2: 0000.0303 lowspeed power enable connect Port 3: 0000.0100 power Port 4: 0000.0100 power Port 5: 0000.0100 power Port 6: 0000.0503 highspeed power enable connect Port 7: 0000.0100 power Port 8: 0000.0100 power Device Qualifier (for other device speed): bLength 10 bDescriptorType 6 bcdUSB 2.00 bDeviceClass 9 Hub bDeviceSubClass 0 Unused bDeviceProtocol 0 Full speed (or root) hub bMaxPacketSize0 64 bNumConfigurations 1 Device Status: 0x0001 Self Powered Bus /dev/usb Device /dev/ugen0.2: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 9 Hub bDeviceSubClass 0 Unused bDeviceProtocol 1 Single TT bMaxPacketSize0 64 idVendor 0x8087 Intel Corp. idProduct 0x0024 Integrated Rate Matching Hub bcdDevice 0.00 iManufacturer 0 iProduct 0 iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength can't get debug descriptor: Input/output error 9 bDescriptorType 2 wTotalLength 25 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xe0 Self Powered Remote Wakeup MaxPower 0mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 9 Hub bInterfaceSubClass 0 Unused bInterfaceProtocol 0 Full speed (or root) hub iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0001 1x 1 bytes bInterval 12 Hub Descriptor: bLength 9 bDescriptorType 41 nNbrPorts 6 wHubCharacteristic 0x0009 Per-port power switching Per-port overcurrent protection TT think time 8 FS bits bPwrOn2PwrGood 50 * 2 milli seconds bHubContrCurrent 0 milli Ampere DeviceRemovable 0x00 PortPwrCtrlMask 0xff Hub Port Status: Port 1: 0000.0100 power Port 2: 0000.0100 power Port 3: 0000.0100 power Port 4: 0000.0100 power Port 5: 0000.0100 power Port 6: 0000.0100 power Device Qualifier (for other device speed): bLength 10 bDescriptorType 6 bcdUSB 2.00 bDeviceClass 9 Hub bDeviceSubClass 0 Unused bDeviceProtocol 0 Full speed (or root) hub bMaxPacketSize0 64 bNumConfigurations 1 Device Status: 0x0001 Self Powered Bus /dev/usb Device /dev/ugen0.1: ID 0000:0000 Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 9 Hub bDeviceSubClass 0 Unused bDeviceProtocol 1 Single TT bMaxPacketSize0 64 idVendor 0x0000 idProduct 0x0000 bcdDevice 1.00 iManufacturer 1 Intel iProduct 2 EHCI root HUB iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 25 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0x40 (Missing must-be-set bit!) Self Powered MaxPower 0mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 9 Hub bInterfaceSubClass 0 Unused bInterfaceProtocol 0 Full speed (or root) hub iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0008 1x 8 bytes bInterval 255 Hub Descriptor: bLength 9 bDescriptorType 41 nNbrPorts 2 wHubCharacteristic 0x0002 No power switching (usb 1.0) Ganged overcurrent protection TT think time 8 FS bits bPwrOn2PwrGood 200 * 2 milli seconds bHubContrCurrent 0 milli Ampere DeviceRemovable 0x00 PortPwrCtrlMask 0x00 Hub Port Status: Port 1: 0000.0503 highspeed power enable connect Port 2: 0000.0500 highspeed power Device Qualifier (for other device speed): bLength 10 bDescriptorType 6 bcdUSB 2.00 bDeviceClass 9 Hub bDeviceSubClass 0 Unused bDeviceProtocolcan't get debug descriptor: Input/output error can't get debug descriptor: Input/output error 0 Full speed (or root) hub bMaxPacketSize0 0 bNumConfigurations 0 Device Status: 0x0001 Self Powered Bus /dev/usb Device /dev/ugen1.1: ID 0000:0000 Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 9 Hub bDeviceSubClass 0 Unused bDeviceProtocol 1 Single TT bMaxPacketSize0 64 idVendor 0x0000 idProduct 0x0000 bcdDevice 1.00 iManufacturer 1 Intel iProduct 2 EHCI root HUB iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 25 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0x40 (Missing must-be-set bit!) Self Powered MaxPower 0mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 9 Hub bInterfaceSubClass 0 Unused bInterfaceProtocol 0 Full speed (or root) hub iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0008 1x 8 bytes bInterval 255 Hub Descriptor: bLength 9 bDescriptorType 41 nNbrPorts 2 wHubCharacteristic 0x0002 No power switching (usb 1.0) Ganged overcurrent protection TT think time 8 FS bits bPwrOn2PwrGood 200 * 2 milli seconds bHubContrCurrent 0 milli Ampere DeviceRemovable 0x00 PortPwrCtrlMask 0x00 Hub Port Status: Port 1: 0000.0503 highspeed power enable connect Port 2: 0000.0500 highspeed power Device Qualifier (for other device speed): bLength 10 bDescriptorType 6 bcdUSB 2.00 bDeviceClass 9 Hub bDeviceSubClass 0 Unused bDeviceProtocol 0 Full speed (or root) hub bMaxPacketSize0 0 bNumConfigurations 0 Device Status: 0x0001 Self Powered