Re: Can't use USB devices in their designated applications on Windows Vista guest

Dirk Heinrichs
2012-09-18T14:21:51Z

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Am Dienstag 18 September 2012, 06:42:18 schrieb Veruca Salt:

> Could be that windows is seeing a USB 1 device while needing a USB 2.
> You might solve this by passing through the devices explicitly; go to the
> Qemu console, and type USB-INFO(if I remember rightly) while the device is
> plugged in. This will show you all connected devices, including vendor id
> etc. Then add that device no and vendor ID to your qemu command line(in the
> right way, look at documentation/google) and pass it through explicitly, OR
> it may be solved by using ehci control to pass USB 2. I know we had a
> similar problem about 6 months ago.
> Ehci support in kvm-qemu should show up in google.

Thank you very much. I wasn't aware that KVM only adds a USB 1.x controller.
However, I have now been able to add an USB 2 controller, but the behaviour is
still same. Drivers are installed, applications do not recognize the devices.

Bye...