USB 3.0 外置硬盘被识别为 2.0

USB 3.0 外置硬盘被识别为 2.0

系统:ACER Aspire 5830TG

USB 2.0 x3;USB 3.0 x1

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 18.10
Release:    18.10
Codename:   cosmic

$ uname -r
4.18.0-10-generic

在另一个系统(即 ACER Aspire 5830TG)上,该 HDD 作为 USB 3.0 与 Windows 一起正常运行。

我确实将硬盘插入了 USB 3.0 端口。这是唯一一个蓝色且有附加针脚的端口。尽管如此,看起来 USB 3.0 端口上似乎没有连接任何东西,但硬盘(至少在机械上)却连接了。

$ lsusb -t
/:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 5000M
/:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 480M
    |__ Port 1: Dev 39, If 0, Class=Mass Storage, Driver=usb-storage, 480M
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
        |__ Port 1: Dev 3, If 0, Class=Hub, Driver=hub/4p, 12M
            |__ Port 1: Dev 36, If 0, Class=Human Interface Device, Driver=usbhid, 12M
            |__ Port 1: Dev 36, If 1, Class=Human Interface Device, Driver=usbhid, 12M
        |__ Port 2: Dev 29, If 0, Class=Mass Storage, Driver=usb-storage, 480M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
        |__ Port 3: Dev 3, If 0, Class=Video, Driver=uvcvideo, 480M
        |__ Port 3: Dev 3, If 1, Class=Video, Driver=uvcvideo, 480M
        |__ Port 6: Dev 53, If 1, Class=Wireless, Driver=btusb, 12M
        |__ Port 6: Dev 53, If 0, Class=Wireless, Driver=btusb, 12M

$ lsusb -v有问题的硬盘的输出:

Bus 003 Device 039: ID 1058:0822 Western Digital Technologies, Inc. 
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.10
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        64
  idVendor           0x1058 Western Digital Technologies, Inc.
  idProduct          0x0822 
  bcdDevice           10.07
  iManufacturer           1 Western Digital
  iProduct                2 My Passport 0822
  iSerial                 5 575836314141335931393130
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           32
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          4 USB Mass Storage
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              500mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass         8 Mass Storage
      bInterfaceSubClass      6 SCSI
      bInterfaceProtocol     80 Bulk-Only
      iInterface              6 MSC Bulk-Only Transport
      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
      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
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   0x00000002
      Link Power Management (LPM) Supported
  SuperSpeed USB Device Capability:
    bLength                10
    bDescriptorType        16
    bDevCapabilityType      3
    bmAttributes         0x00
    wSpeedsSupported   0x000e
      Device can operate at Full Speed (12Mbps)
      Device can operate at High Speed (480Mbps)
      Device can operate at SuperSpeed (5Gbps)
    bFunctionalitySupport   1
      Lowest fully-functional device speed is Full Speed (12Mbps)
    bU1DevExitLat          10 micro seconds
    bU2DevExitLat          32 micro seconds
Device Status:     0x0000
  (Bus Powered)

那么,问题是:为什么会这样,以及如何将 HDD(重新)连接为 USB 3.0?

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