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Re: [Xen-devel] ATI VGA passthrough and S400 Synchronization module


  • To: Konrad Rzeszutek Wilk <konrad@xxxxxxxxxx>
  • From: Aurélien MILLIAT <Aurelien.MILLIAT@xxxxxxxxxxxxxx>
  • Date: Thu, 23 Aug 2012 15:23:25 +0000
  • Accept-language: fr-FR, en-US
  • Cc: "xen-devel@xxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxx>
  • Delivery-date: Thu, 23 Aug 2012 15:23:58 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xen.org>
  • Thread-index: Ac1ps8zkCPzyeRZ3RWeWIDwxqaix/gFrW5YABEg0R6AAKGBEAAAGx1yA
  • Thread-topic: [Xen-devel] ATI VGA passthrough and S400 Synchronization module

On Wed, Aug 22, 2012 at 04:23:02PM +0000, Aurélien MILLIAT wrote:
> Hi,
> 
> I've been able to use ATI FirePro S400 with the unstable version. I've 
> updated my Dom0 and pass the graphic card as secondary adaptor.
>
>
>Please do not top post.
Sorry !
>
> What did you upgrade dom0 to?
>

I've update Debian 6.0.4 to 6.0.5, update all packages and remove everything 
I've made from my previous test. 

I've continue my tests and I've got an issue with active stereo. Previously, 
I've got tested active stereo with the stable release.  

On unstable version, only the right eye is render (OGLplane and Virtools demos).
Quad buffer is on, everything seems to be setup as usual for active stereo. 
I've tried with and without the S400 card.

I will try to gather more informations about this.

>
> I've made a quick test for Xen 4.1.2 with these updates but it's still crash 
> (no matter I will use the unstable version).
>
> Aurélien
> _______________________________________________
> 
> On Tue, Jul 24, 2012 at 04:05:20PM +0000, Aurélien MILLIAT wrote:
> > Hi,
> > 
> > I'm currently trying to use XEN on graphical cluster.
> > VGA passtrough works fine and I'm able to use quad-buffer for active stereo.
> > The last thing to do is to synchronize all GPU from the cluster.
> > For this purpose I use ATI FirePro S400 and it didn't works.
> > 
> > I've seen two behaviors:
> > -When I run lspci command on Dom0 I've got:
> > 0f:00.0 VGA compatible controller: ATI Technologies Inc Device 6888
> > 0f:00.1 Audio device: ATI Technologies Inc Cypress HDMI Audio 
> > [Radeon HD 5800 Series] And sometimes just
> > 0f:00.0 VGA compatible controller: ATI Technologies Inc Device 6888 
> > -When a DomU(Windows 7) is running, it's very slow (I can't do anything) 
> > and crash after several minutes.
> > I've tried with the unstable version and I've seen the same 'lspci' 
> > behavior.
> > 
> > I've a couple of questions:
> > Is it possible to passthrough a VGA with this extension?
> 
> I never tried. I just pass in the VGA card and don't try to pass in the HDMI 
> driver.
> 
> > As it's a particular use of VGA passtrough is it planned to able to use 
> > synchronization module?
> 
> So what is synchronization module for you? That is the HDMI part?
> 
> > Is it easy to add this feature (time cost)?
> > 
> > Computers : HP Z800 workstation
> > GPU: ATI FirePro V8800
> > CPU: Intel Xeon E5640
> > MB: Intel 5520 chipset
> > 
> > XEN :
> > Version  4.1.2
> > With ATI patch from 
> > http://old-list-archives.xen.org/archives/html/xen-users/2011-05/msg
> > 00048.html
> > Thanks,
> > Aurélien Milliat
> > 
> > 
> 
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxx
> > http://lists.xen.org/xen-devel
> 
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxx
> http://lists.xen.org/xen-devel
> 

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