我的 USB 端口有问题，所有端口都有电，但无法工作。
$ lsusb
Bus 002 Device 002: ID 8087:8000 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8008 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
$ lsusb -v
Bus 002 Device 002: ID 8087:8000 Intel Corp.
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 9 Hub
bDeviceSubClass 0
bDeviceProtocol 1 Single TT
bMaxPacketSize0 64
idVendor 0x8087 Intel Corp.
idProduct 0x8000
bcdDevice 0.05
iManufacturer 0
iProduct 0
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 0x0019
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
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 0 * 2 milli seconds
bHubContrCurrent 0 milli Ampere
DeviceRemovable 0x00 0x00
PortPwrCtrlMask 0xff 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
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
bDeviceProtocol 0 Full speed (or root) hub
bMaxPacketSize0 64
bNumConfigurations 1
Device Status: 0x0001
Self Powered
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 9 Hub
bDeviceSubClass 0
bDeviceProtocol 0 Full speed (or root) hub
bMaxPacketSize0 64
idVendor 0x1d6b Linux Foundation
idProduct 0x0002 2.0 root hub
bcdDevice 5.04
iManufacturer 3 Linux 5.4.0-12-generic ehci_hcd
iProduct 2 EHCI Host Controller
iSerial 1 0000:00:1d.0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 0x0019
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
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 0x0004 1x 4 bytes
bInterval 12
Hub Descriptor:
bLength 9
bDescriptorType 41
nNbrPorts 2
wHubCharacteristic 0x000a
No power switching (usb 1.0)
Per-port overcurrent protection
bPwrOn2PwrGood 10 * 2 milli seconds
bHubContrCurrent 0 milli Ampere
DeviceRemovable 0x02
PortPwrCtrlMask 0xff
Hub Port Status:
Port 1: 0000.0507 highspeed power suspend enable connect
Port 2: 0000.0100 power
Device Status: 0x0001
Self Powered
Bus 001 Device 002: ID 8087:8008 Intel Corp.
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 9 Hub
bDeviceSubClass 0
bDeviceProtocol 1 Single TT
bMaxPacketSize0 64
idVendor 0x8087 Intel Corp.
idProduct 0x8008
bcdDevice 0.05
iManufacturer 0
iProduct 0
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 0x0019
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
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 0 * 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
bDeviceProtocol 0 Full speed (or root) hub
bMaxPacketSize0 64
bNumConfigurations 1
Device Status: 0x0001
Self Powered
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 9 Hub
bDeviceSubClass 0
bDeviceProtocol 0 Full speed (or root) hub
bMaxPacketSize0 64
idVendor 0x1d6b Linux Foundation
idProduct 0x0002 2.0 root hub
bcdDevice 5.04
iManufacturer 3 Linux 5.4.0-12-generic ehci_hcd
iProduct 2 EHCI Host Controller
iSerial 1 0000:00:1a.0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 0x0019
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
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 0x0004 1x 4 bytes
bInterval 12
Hub Descriptor:
bLength 9
bDescriptorType 41
nNbrPorts 2
wHubCharacteristic 0x000a
No power switching (usb 1.0)
Per-port overcurrent protection
bPwrOn2PwrGood 10 * 2 milli seconds
bHubContrCurrent 0 milli Ampere
DeviceRemovable 0x02
PortPwrCtrlMask 0xff
Hub Port Status:
Port 1: 0000.0507 highspeed power suspend enable connect
Port 2: 0000.0100 power
Device Status: 0x0001
Self Powered
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 3.00
bDeviceClass 9 Hub
bDeviceSubClass 0
bDeviceProtocol 3
bMaxPacketSize0 9
idVendor 0x1d6b Linux Foundation
idProduct 0x0003 3.0 root hub
bcdDevice 5.04
iManufacturer 3 Linux 5.4.0-12-generic xhci-hcd
iProduct 2 xHCI Host Controller
iSerial 1 0000:00:14.0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 0x001f
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
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 0x0004 1x 4 bytes
bInterval 12
bMaxBurst 0
Hub Descriptor:
bLength 12
bDescriptorType 42
nNbrPorts 4
wHubCharacteristic 0x000a
No power switching (usb 1.0)
Per-port overcurrent protection
bPwrOn2PwrGood 10 * 2 milli seconds
bHubContrCurrent 0 milli Ampere
bHubDecLat 0.0 micro seconds
wHubDelay 0 nano seconds
DeviceRemovable 0x18
Hub Port Status:
Port 1: 0000.02a0 5Gbps power Rx.Detect
Port 2: 0000.02a0 5Gbps power Rx.Detect
Port 3: 0000.02a0 5Gbps power Rx.Detect
Port 4: 0000.02a0 5Gbps power Rx.Detect
Binary Object Store Descriptor:
bLength 5
bDescriptorType 15
wTotalLength 0x000f
bNumDeviceCaps 1
SuperSpeed USB Device Capability:
bLength 10
bDescriptorType 16
bDevCapabilityType 3
bmAttributes 0x02
Latency Tolerance Messages (LTM) Supported
wSpeedsSupported 0x0008
Device can operate at SuperSpeed (5Gbps)
bFunctionalitySupport 3
Lowest fully-functional device speed is SuperSpeed (5Gbps)
bU1DevExitLat 10 micro seconds
bU2DevExitLat 512 micro seconds
Device Status: 0x0001
Self Powered
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 9 Hub
bDeviceSubClass 0
bDeviceProtocol 1 Single TT
bMaxPacketSize0 64
idVendor 0x1d6b Linux Foundation
idProduct 0x0002 2.0 root hub
bcdDevice 5.04
iManufacturer 3 Linux 5.4.0-12-generic xhci-hcd
iProduct 2 xHCI Host Controller
iSerial 1 0000:00:14.0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 0x0019
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
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 0x0004 1x 4 bytes
bInterval 12
Hub Descriptor:
bLength 11
bDescriptorType 41
nNbrPorts 14
wHubCharacteristic 0x000a
No power switching (usb 1.0)
Per-port overcurrent protection
TT think time 8 FS bits
bPwrOn2PwrGood 10 * 2 milli seconds
bHubContrCurrent 0 milli Ampere
DeviceRemovable 0xb2 0x7f
PortPwrCtrlMask 0xff 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
Port 7: 0000.0100 power
Port 8: 0000.0100 power
Port 9: 0000.0100 power
Port 10: 0000.0100 power
Port 11: 0000.0100 power
Port 12: 0000.0100 power
Port 13: 0000.0100 power
Port 14: 0000.0100 power
Device Status: 0x0001
Self Powered
$ sudo cat /var/log/syslog | grep 'usb'
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.237106] usbcore: registered new interface driver usbfs
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.237106] usbcore: registered new interface driver hub
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.237106] usbcore: registered new device driver usb
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.290886] pci 0000:00:1a.0: quirk_usb_early_handoff+0x0/0x662 took 22185 usecs
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.314880] pci 0000:00:1d.0: quirk_usb_early_handoff+0x0/0x662 took 23416 usecs
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.462996] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.04
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.462998] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.463000] usb usb1: Product: EHCI Host Controller
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.463001] usb usb1: Manufacturer: Linux 5.4.0-12-generic ehci_hcd
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.463002] usb usb1: SerialNumber: 0000:00:1a.0
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.482894] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.04
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.482896] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.482897] usb usb2: Product: EHCI Host Controller
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.482898] usb usb2: Manufacturer: Linux 5.4.0-12-generic ehci_hcd
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.482899] usb usb2: SerialNumber: 0000:00:1d.0
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.484679] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.04
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.484680] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.484681] usb usb3: Product: xHCI Host Controller
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.484682] usb usb3: Manufacturer: Linux 5.4.0-12-generic xhci-hcd
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.484683] usb usb3: SerialNumber: 0000:00:14.0
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.487904] usb usb4: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.04
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.487905] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.487906] usb usb4: Product: xHCI Host Controller
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.487907] usb usb4: Manufacturer: Linux 5.4.0-12-generic xhci-hcd
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.487908] usb usb4: SerialNumber: 0000:00:14.0
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.802842] usb 1-1: new high-speed USB device number 2 using ehci-pci
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.818828] usb 2-1: new high-speed USB device number 2 using ehci-pci
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.959266] usb 1-1: New USB device found, idVendor=8087, idProduct=8008, bcdDevice= 0.05
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.959268] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.975408] usb 2-1: New USB device found, idVendor=8087, idProduct=8000, bcdDevice= 0.05
Feb 13 07:45:48 janjula-Lenovo-G710 kernel: [ 0.975410] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
任何想法？