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I have an Ubuntu server version (14.04 up to date LTS). I mostly use this machine over SSH.

Yesterday I typed in lsusb and the machine gave me the following error:

unable to initialize libusb: -99

I searched on the web, but did not get any answers on this problem.

Question: What does this error mean and how can I solve it?

Note: The machine is installed on an ESXI machine and the usb devices are passed through ESXI.

1 Answers1

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unable to initialize libusb could be because there is no USB controllers present on the Server. You can check it out by executing the following command:

lspci | grep USB

In your case, there would be no output, indicating the absence of USB controllers. If so, then add one. I have not worked much on VMs, so I can't tell anything about that, but upon googling, I found several pages that might help you, including this .

daltonfury42
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