![lshw 是否应该列出 USB 功能为 3.00 而不是 2.0 的 USB 集线器?](https://linux22.com/image/1028335/lshw%20%E6%98%AF%E5%90%A6%E5%BA%94%E8%AF%A5%E5%88%97%E5%87%BA%20USB%20%E5%8A%9F%E8%83%BD%E4%B8%BA%203.00%20%E8%80%8C%E4%B8%8D%E6%98%AF%202.0%20%E7%9A%84%20USB%20%E9%9B%86%E7%BA%BF%E5%99%A8%EF%BC%9F.png)
自 9 月以来,笔记本电脑上一直插着一个有源 USB 集线器,直到我移动笔记本电脑并再次重启后才出现问题。错误:
Nov 2 02:59:34 linux kernel: [166196.002037] usb usb3-port2: Cannot enable. Maybe the USB cable is bad?
每分钟发生 4 - 8 次错误。依赖于连接到集线器的外部驱动器的应用程序仍在运行,但在 USB 端口错误开始发生后,其错误率会增加。我想我会从这个问题开始:usbhost 下方的 lshw 显示是否应该显示 USB 功能 3.00 而不是 2.0?我需要安装更新的驱动程序吗?
集线器插入 3.0 插槽(带 ss 指示器)。笔记本电脑是戴尔 Inspiron 14R。Linux Ubuntu 20.04(仅命令行,无 GUI)。集线器和笔记本电脑端口之间的所有电缆均牢固连接。所有 LED 灯亮起。
*-usbhost:0
product: xHCI Host Controller
vendor: Linux 5.4.0-131-generic xhci-hcd
physical id: 0
bus info: usb@2
logical name: usb2
version: 5.04
capabilities: usb-2.00
configuration: driver=hub slots=9 speed=480Mbit/s
*-usb:0
description: USB hub
vendor: Hitachi, Ltd
physical id: 2
bus info: usb@2:2
version: 1.00
capabilities: usb-2.00
configuration: driver=hub slots=4 speed=480Mbit/s
*-usb:0 UNCLAIMED
description: Human interface device
product: Nano S
vendor: Ledger
physical id: 1
bus info: usb@2:2.1
version: 2.01
serial: 0001
capabilities: usb-2.00
configuration: maxpower=100mA speed=12Mbit/s
*-usb:1
description: Mass storage device
product: PNY ELITE PSSD
vendor: PNY
physical id: 2
bus info: usb@2:2.2
version: 1.00
serial: 511220215208AB470004
capabilities: usb-2.10 scsi
configuration: driver=uas maxpower=500mA speed=480Mbit/s