Super User is a question and answer site for computer enthusiasts and power users. It's 100% free, no registration required.

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

I have Windows 7 64bit Host system, and I am using VirtualBox 4.1.18 (r78361).

I have an Arch Linux Guest OS.

I have installed VirtualBox Extension Pack (to enable USB2 support) and added my USB device filter to VM.
I have also installed the Guest Additions provided by Arch: virtualbox-archlinux-additions (but I have no idea whether it's actually needed for my environment).

I can see my USB device from VirtualBox Devices menu.

Whenever I am trying to access it, I end up with:

Failed to attach the USB device Kingston DT 100 G2 [0100] to the virtual machine Archlinux.

USB device 'Kingston DT 100 G2' with UUID {a836ec33-0f41-4ca7-a31d-09cceaf5d173} is busy with a previous request. Please try again later.

Result Code:    E_INVALIDARG (0x80070057)
Component:      HostUSBDevice
Interface:      IHostUSBDevice {173b4b44-d268-4334-a00d-b6521c9a740a}
Callee:         IConsole {1968b7d3-e3bf-4ceb-99e0-cb7c913317bb}

From what I have googled, most guides shows how to solve this the other way around - Linux Host to Windows Guest.

How do I resolve this?


I have tried to Eject (virtually, not physically) the device from my Windows Host system and then try to access the Device from Guest. Same error.

share|improve this question
up vote 3 down vote accepted

After an hour of googling and experimenting, I have found the answer.

It looks like VBox has some problems with USB3 hubs, and so, plugging my USB key into an USB2 slot did everything.

share|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.