Re: [Xen-users] VGA Passthru - FLR?

[Gizmo Chicken <gizmochicken@xxxxxxxxx>]

Guilherme,

Before moving further, let's verify:  You do have IOMMU enabled in your BIOS, correct?  If not, you need to enable it to get GPU passthrough to work.

Now, back to XCP 1.6...

XCP
 1.6 is kind of a "black box" approach, in that you won't be able to 
simply install it over your current dom0, but instead you must replace
 your current dom0.   That said, XCP 1.6 is based on CentOS 5.7 (Linux 
kernel v2.6.32.43).  But be aware that  XCP 1.6 won't give you a 
graphical desktop on dom0.  So if you need a graphical desktop on dom0, 
XCP 1.6 won't be a long term solution for you.  But given the ease of 
setting up GPU passthrough with XCP, it could be relatively easy way for
 you to verify that your system is capable of passthrough.  

Also, be 
aware that, although GPU passthrough is pretty simple with XPC 1.6, 
strangely, you'll have to do some digging on how to set up 
PCI-passthrough so that your mouse/keyboard/device is accessible from a 
guest VM.  It can be done, but the procedure isn't well-documented.  When (and if) you get XPC 1.6 installed and GPU passthrough working, write back to me, and I'll try to help with the PCI passthrough.  (One thing at a time.) 

If
 you must have graphical desktop on dom0, then you have another option, 
namely installing the XCP-XAPI toolstack (which is the toolstack used by
 XCP 1.6) on a desktop version of Ubuntu.  In my case, I have 
successfully installed the XCP-XAPI toolstack on Ubuntu 12.10 desktop.

If
 you want to try XCP-XAPI toolstack on  Ubuntu (I recommend Ubuntu 12.10
 desktop if you do), here are two reasonably complete tutorials:

http://www.chimos.de/stuff/xen-xcp-ubuntu-manual/xen-xcp-ubuntu-manual.txt
http://blog.scottlowe.org/2012/06/28/installing-xcp-xapi-on-ubuntu-server-12-04-lts/ 

Be
 aware that installing the XCP-XAPI toolstack on  Ubuntu requires lots 
of hacks and may be a bumpy process.  So before you even try, I recommend that you first experiment
 with XCP 1.6 (the "black box" approach) to see if it works with your 
hardware and if XenCenter fits your needs.

Hope the above help.

GizmoChicken

On Wed, Mar 6, 2013 at 3:06 PM, Guilherme Suzuki <suzuki.gui@xxxxxxxxx> wrote:

Can you tell me what kernel version your distro's running with?

On Mar 6, 2013 4:39 PM, "Guilherme Suzuki" <suzuki.gui@xxxxxxxxx> wrote:

Nice to know that! I'll uninstall Xen easily with yum and try XCP.

I'll let you know how things turned out.

>
> On Mar 6, 2013 2:17 PM, "Gizmo Chicken" <gizmochicken@xxxxxxxxx> wrote:
>

> I used Windows 7 Ul...

>
>
>
>
> On Wed, Mar 6, 2013 at 11:46 AM, Guilherme Suzuki <suzuki.gui@xxxxxxxxx> wrote:
> >

> Hmm I see... ...

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