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Re: [Qemu-devel] [RFC] Add serial number to usbdevice when passthrough t
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From: |
Gerd Hoffmann |
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Subject: |
Re: [Qemu-devel] [RFC] Add serial number to usbdevice when passthrough to VM |
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Date: |
Wed, 16 Jan 2013 08:56:05 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:10.0.12) Gecko/20130108 Thunderbird/10.0.12 |
On 01/16/13 08:18, Lei Li wrote:
> Hi guys,
>
> Currently we can passthrough the host USB device to the virtual
> machine. This is done like:
>
> –usbdevice host:1234:5678, where 1234 is vendor id, 5678 is product
> id.
>
> But there is a problem. If there are two identical USB devices,
> where the vendor id and the product id is the same. It's not possible
> to direct one USB device to VM1 and the second USB device to VM2.
You can assign devices by physical port.
See docs/usb2.txt
cheers,
Gerd