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[Xen-users] Does USB passthru require VT-d or IOMMU?
| To: | xen-users@xxxxxxxxxxxxxxxxxxx |
|---|---|
| Subject: | [Xen-users] Does USB passthru require VT-d or IOMMU? |
| From: | Henning Holtschneider <henning@xxxxxxxx> |
| Date: | Wed, 29 Oct 2008 15:13:36 +0100 |
| Delivery-date: | Wed, 29 Oct 2008 07:14:24 -0700 |
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Hello everybody,I'm running Xen 3.3.0 on Ubuntu 8.10 server. I'm trying to pass a USB device to a Windows 2003 DomU, but the qemu logfile just tells me "Warning: could not add USB device host:0123:4567". Before I start to debug the problem more thoroughly, I wonder: do I need a mainboard chipset that supports Intel's VT-d technology or AMD's IOMMU to pass individual USB devices from the Dom0 to a DomU? Best regards, Henning Holtschneider -- LocaNet oHG - http://www.loca.net Lindemannstrasse 81, D-44137 Dortmund tel +49 231 91596-25, fax +49 231 91596-55 sip 25@xxxxxxxxxxxxx Registergericht Amtsgericht Dortmund HRA 14208 Geschäftsführer Sven Haufe, Henning Holtschneider
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