Probe #534dc363f2 of ASUSTek PRIME B250M-A Desktop Computer
Log: lsusb
can't get device qualifier: Input/output error
can't get debug descriptor: Input/output error
Bus /dev/usb Device /dev/ugen0.1: ID 0000:0000
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 3.00
bDeviceClass 9 Hub
bDeviceSubClass 0 Unused
bDeviceProtocol 3
bMaxPacketSize0 9
idVendor 0x0000
idProduct 0x0000
bcdDevice 1.00
iManufacturer 1 Intel
iProduct 2 XHCI root HUB
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 31
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 0x0002 1x 2 bytes
bInterval 255
bMaxBurst 1
Hub Descriptor:
bLength 42
bDescriptorType 42
nNbrPorts 22
wHubCharacteristic 0x0008
Ganged power switching
Per-port overcurrent protection
bPwrOn2PwrGood 10 * 2 milli seconds
bHubContrCurrent 0 milli Ampere
bHubDecLat 0.0 micro seconds
wHubDelay 0 nano seconds
DeviceRemovable 0x00 0x00 0x00
Hub Port Status:
Port 1: 0000.06a0 Unknown Speed power Rx.Detect
Port 2: 0000.06a0 Unknown Speed power Rx.Detect
Port 3: 0000.06a0 Unknown Speed power Rx.Detect
Port 4: 0000.06a0 Unknown Speed power Rx.Detect
Port 5: 0000.06a0 Unknown Speed power Rx.Detect
Port 6: 0000.06a0 Unknown Speed power Rx.Detect
Port 7: 0000.06a0 Unknown Speed power Rx.Detect
Port 8: 0000.06a0 Unknown Speed power Rx.Detect
Port 9: 0000.06a0 Unknown Speed power Rx.Detect
Port 10: 0000.06a0 Unknown Speed power Rx.Detect
Port 11: 0000.06a0 Unknown Speed power Rx.Detect
Port 12: 0000.06a0 Unknown Speed power Rx.Detect
Port 13: 0000.0680 Unknown Speed power SS.disabled
Port 14: 0000.0680 Unknown Speed power SS.disabled
Port 15: 0000.0680 Unknown Speed power SS.disabled
Port 16: 0000.0680 Unknown Speed power SS.disabled
Port 17: 0000.06a0 Unknown Speed power Rx.Detect
Port 18: 0000.06a0 Unknown Speed power Rx.Detect
Port 19: 0000.06a0 Unknown Speed power Rx.Detect
Port 20: 0000.06a0 Unknown Speed power Rx.Detect
Port 21: 0000.06a0 Unknown Speed power Rx.Detect
Port 22: 0000.06a0 Unknown Speed power Rx.Detect
Device Status: 0x0001
Self Powered
Binary Object Store Descriptor:
bLength 5
bDescriptorType 15
wTotalLength 27
bNumDeviceCaps 3
USB 2.0 Extension Device Capability:
bLength 7
bDescriptorType 1
bDevCapabilityType 2
bmAttributes 0x00000002
Link Power Management (LPM) Supported
SuperSpeed USB Device Capability:
bLength 10
bDescriptorType 16
bDevCapabilityType 3
bmAttributes 0x00
Latency Tolerance Messages (LTM) Supported
wSpeedsSupported 0x000c
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 8 micro seconds
bU2DevExitLat 65280 micro seconds
Bad Container ID Device Capability descriptor.