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Re: [Xen-users] HTPC + DUAL PC In one

  • To: Gordan Bobic <gordan@xxxxxxxxxx>, "xen-users@xxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxx>
  • From: Kristian Hagsted Rasmussen <kristian@xxxxxxxxxx>
  • Date: Tue, 15 Jul 2014 16:03:56 +0000
  • Accept-language: en-US, da-DK
  • Delivery-date: Tue, 15 Jul 2014 16:25:53 +0000
  • List-id: Xen user discussion <xen-users.lists.xen.org>
  • Thread-index: AQHPoADBpOoTXvsR+Ua/2oWyW3QnCZugtZIAgACXFYA=
  • Thread-topic: [Xen-users] HTPC + DUAL PC In one

> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxx [mailto:xen-users-
> bounces@xxxxxxxxxxxxx] On Behalf Of Gordan Bobic
> Sent: 15. juli 2014 11:03
> To: xen-users@xxxxxxxxxxxxx
> Subject: Re: [Xen-users] HTPC + DUAL PC In one
> On 2014-07-15 08:38, Mattia Carrara wrote:
> > Now the problem is GPU pass-through. My idea Intel integrated graphics
> > and auidio for HTPC in such way i will have audio and video over HDMI.
> > Other two ati PCIe GPUs one for each virtual machine.
> And for dom0 console? You'll need 4 GPUs in the machine. Do you have
> 3 PCIe slots for the domU GPUs? If not you'll have to use at least one dual
> GPU card.

The fourth GPU is not a strict requirement. Personally I have a machine with 
the primary and only GPU (IGP) passed-through  to a domU. And only access the 
console through ssh, if anything's go wrong I boot the machine without the 
graphic bound to pciback, to get output to a screen for debugging.

> > Then for audio
> > other two pci cards. The question is: is there a better solution for
> > audio? I mean each card has more than one channel, can I deticate a
> > channel instead of a single PCI card?
> No, "channels" on audio devices don't work in the way you imply.
> Depending on what your exact audio requirements are, you could probably
> use a cheap (Â2 or so) USB audio module and pass specific USB port PCI
> devices to each VM. Do you have enough ports for audio + keyboard +
> mouse for each VM? You'll need at least 11 (audio + keyboard + mouse for
> each of the 3 VMs, + keyboard and mouse for dom0). You will probably have
> to use a USB hub for each domU. With some careful hardware selection,
> each of the monitors you use could come with a built in USB hub which will
> tidy things up a bit.
> > Another problem are all the
> > wires! I was thinking to use Thunderbolt for the two Windows VM. In
> > such way i will have Audio, Video and USBs in a cable. But how? Do you
> > have any suggestion?
> I never used Thunderbolt, I am achieving all of the above with USB devices.
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