<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">Perhaps if you get a minute, and if you have any motherboards with iommu, you could give it a test...<br><br>I'd be interested to know the results.<br><br>Cheers,<br>Lee<br><br><br>--- On <b>Tue, 10/3/09, Sean McRobbie <i><lug@seany.us></i></b> wrote:<br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;">From: Sean McRobbie <lug@seany.us><br>Subject: Re: [dundee] Xen ... Pcie Pass through...HMV<br>To: toxicnaan@yahoo.co.uk, "Tayside Linux User Group" <dundee@lists.lug.org.uk><br>Date: Tuesday, 10 March, 2009, 11:59 PM<br><br><pre>Running several on one machine fine here.<br><br>Regards,<br>Sean McRobbie<br><br>----- Original Message -----<br>From: "Lee Hughes" <toxicnaan@yahoo.co.uk><br>To: "Tayside Linux User Group" <dundee@lists.lug.org.uk><br>Sent: Tuesday, 10 March, 2009 23:15:58
GMT +00:00 GMT Britain, Ireland,<br>Portugal<br>Subject: Re: [dundee] Xen ... Pcie Pass through...HMV<br><br><br>Perhaps gordon (the virtual god) can you answer me this. <br><br>Is there a limit to the number of hmv that xen can run? I've heard it 1,<br>but <br>I've also heard you can have more. <br><br>Why is the Xen documentation , so so so bad ;-).. hheheeheheh <br><br>Just looking at kvm, seems the are adding full (hmv) to this as well. <br><br>it all looks good, hopefully with iommu , vm's can get much better io<br>performance.... <br><br>I'm happy with openvz, after Gordon did a talk on it, I was sold.. it's<br>all good baby, <br>but that mainly for servers, the 3d desktop is the next battle ground. <br><br>Yes, I do want to to be able to play directx without using wine, and without<br>rebooting! <br><br>now, I wonder 4 graphics cards, 4 hmv with pcie pass through, I could run every<br>operating <br>system going. ;-) hehehee <br><br>Cheers,
<br>Lee <br><br><br><br><br><br>--- On Tue, 10/3/09, gordon dunlop <astrozubenel@googlemail.com> wrote: <br><br><br>From: gordon dunlop <astrozubenel@googlemail.com> <br>Subject: Re: [dundee] Xen ... Pcie Pass through...HMV <br>To: toxicnaan@yahoo.co.uk, "Tayside Linux User Group"<br><dundee@lists.lug.org.uk> <br>Date: Tuesday, 10 March, 2009, 8:35 AM <br><br><br><br><br><br>2009/3/8 Lee Hughes < toxicnaan@yahoo.co.uk > <br><br><br>Hello all (gordon will like this). <br><br>Seems Xen have finally got pcie pass through working with xen HVM domians in<br>DOMu. <br><br>Unfortunately I don't the require chipset to allow me to test this (it<br>needs intel vt-d ) <br>which gives an IOMMU. <br><br><br>I have only got a dual core Opteron socket 939 which has no inbuilt vt<br>instructions therefore I cannot run unmodified Linux guests in Xen. <br><br><br><br>What this basically means is, you'll be able to run Xen, with either a<br>linux
system in Dom0 <br>or domU, and windows system in DomU and play direct X games, without rebooting.<br>;-) <br><br>It's got lots of other uses to, like improving a vm's IO prerformance ,<br>heheeheh <br><br>Check it out here <br><br>http://wiki.xensource.com/xenwiki/VTdHowTo <br><br>http://www.nabble.com/Successful-PCIe-Graphics-VT-d-Passthrough-to-Win32-DomU,-Q35-chipset-td21671745.html<br><br><br><br>Very interesting links Lee, although you will need a motherboard with 2<br>graphics card slots. <br><br>Gordon <br><br><br><br>I'd say this is a interesting development. It's early days, so I guess<br>it's not too stable. <br>Who can tell. <br><br>So if you have this chipset, please give it a try...... <br><br>I've also heard some crazy talk about bios vendors building hypervisors<br>into the bios's. <br>So, you can just parition your machine, without the aid additional software. <br><br>Crazy stuff. <br><br><br><br>Cheers, <br>Lee
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