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From: Bernhard =?ISO-8859-1?Q?Fr=F6hlich?= <decke@bluelife.at>
To: AN <andy@neu.net>, Bernhard Froehlich <decke@FreeBSD.org>
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Date: Mon, 19 Mar 2012 19:26:46 +0100
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Cc: freebsd-emulation@FreeBSD.org
Subject: Re: 4.1.10 PCI passthru
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On Mo., 19. Mär. 2012 17:54:01 CET, AN <andy@neu.net> wrote:

> Hi Bernhard:
> 
> I recently upgraded to virtualbox-ose-4.1.10, and it is running well. 
> But I seem to be having a problem with PCI passthru.   Can you confirm 
> if PCI passthru is working in virtualbox-ose-4.1.10?
> 
> Below is output from opensuse11.4 log that shows 2 different usb drives. 
> Both work on the FreeBSD host, but they are not available in Linux.   I 
> followed the wiki and have had this working previously, but it does not 
> work for me now.

PCI passthru is currently an experimental feature for Linux hosts and only available in the PUEL extpack. We would need Intel and AMD IOMMU support in the FreeBSD kernel and access to the vbox pci passthru code. An Intel IOMMU driver is available in the BeHyve branch but that's all right now.