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Ubuntu 无法识别 USB 设备

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Ubuntu 无法识别 USB 设备

我刚刚发现已知可以正常工作的（在 Win10 PC 上测试）USB 拇指驱动器和外部驱动器无法被识别。我使用的是 Ubuntu 16.04 和内核 4.15.0-24-generic。

以下是我根据谷歌搜索到目前为止所尝试的方法。

  1. 未插入 USB 时运行 lsusb，然后再次插入 USB。没有变化。

  2. usb-devices 给出以下输出。

    T:  Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=480 MxCh= 2
D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=1d6b ProdID=0002 Rev=04.15
S:  Manufacturer=Linux 4.15.0-24-generic ehci_hcd
S:  Product=EHCI Host Controller
S:  SerialNumber=0000:00:1a.0
C:  #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub

T:  Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=480 MxCh= 6
D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=8087 ProdID=0024 Rev=00.00
C:  #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub

T:  Bus=01 Lev=02 Prnt=02 Port=04 Cnt=01 Dev#=  3 Spd=480 MxCh= 0
D:  Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=1bcf ProdID=288f Rev=1b.03
S:  Manufacturer=CN01RH71724871CFD3ZMA00
S:  Product=Laptop_Integrated_Webcam_1.3M
C:  #Ifs= 2 Cfg#= 1 Atr=80 MxPwr=500mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=0e(video) Sub=01 Prot=00 Driver=uvcvideo
I:  If#= 1 Alt= 0 #EPs= 0 Cls=0e(video) Sub=02 Prot=00 Driver=uvcvideo

T:  Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=480 MxCh= 2
D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=1d6b ProdID=0002 Rev=04.15
S:  Manufacturer=Linux 4.15.0-24-generic ehci_hcd
S:  Product=EHCI Host Controller
S:  SerialNumber=0000:00:1d.0
C:  #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub

T:  Bus=02 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=480 MxCh= 8
D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=8087 ProdID=0024 Rev=00.00
C:  #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub

T:  Bus=02 Lev=02 Prnt=02 Port=04 Cnt=01 Dev#=  3 Spd=12  MxCh= 0  
D:  Ver= 2.00 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=8086 ProdID=0189 Rev=69.19
C:  #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=0mA
I:  If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
I:  If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb

T:  Bus=03 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=480 MxCh= 2
D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=1d6b ProdID=0002 Rev=04.15
S:  Manufacturer=Linux 4.15.0-24-generic xhci-hcd
S:  Product=xHCI Host Controller
S:  SerialNumber=0000:03:00.0
C:  #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub

T:  Bus=04 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=5000 MxCh= 2
D:  Ver= 3.00 Cls=09(hub  ) Sub=00 Prot=03 MxPS= 9 #Cfgs=  1
P:  Vendor=1d6b ProdID=0003 Rev=04.15
S:  Manufacturer=Linux 4.15.0-24-generic xhci-hcd
S:  Product=xHCI Host Controller
S:  SerialNumber=0000:03:00.0
C:  #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub

  3. sudo lsblk 给出以下输出。

    NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
loop1    7:1    0  76.2M  1 loop /snap/drakon/1
loop11   7:11   0 141.5M  1 loop /snap/chromium/367
loop8    7:8    0  57.1M  1 loop /snap/notepad-plus-plus/77
loop6    7:6    0  57.1M  1 loop /snap/notepad-plus-plus/70
loop4    7:4    0  57.1M  1 loop /snap/notepad-plus-plus/74
loop2    7:2    0  86.9M  1 loop /snap/core/4917
loop0    7:0    0 139.8M  1 loop /snap/chromium/353
loop9    7:9    0  86.6M  1 loop /snap/core/4650
loop10   7:10   0 139.4M  1 loop /snap/chromium/343
sda      8:0    0 119.2G  0 disk 
├─sda2   8:2    0     1K  0 part 
├─sda5   8:5    0   3.3G  0 part [SWAP]
└─sda1   8:1    0 115.9G  0 part /
loop7    7:7    0  86.9M  1 loop /snap/core/4830
loop5    7:5    0   198M  1 loop /snap/vlc/365

  4. sudo dmesg -c 清除，然后 sudo dmesg 不会输出。

  5. gparted 和磁盘仅显示内部硬盘

编辑（添加其他信息）6. Ubuntu 18.04 的 LiveUSB 仅从一个（两个）USB 端口成功启动，并从另一个端口成功读取外部 USB 驱动器，因此硬件似乎不是问题。

下一步我应该尝试什么？

答案1

我发现高速 (10) microSD 卡只有在 usb2 插槽中才能读取，但在 usb3 插槽中却可以读取。这可能与通信时序错误有关。尝试更快的 usb 插槽。

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