[Xen-users] Re: [Xen-devel] Re: Nvidia 9500GT Xen VGA passthru

[Tobias Geiger <tobias.geiger@xxxxxxxxx>]

Hi,

its running here with

(XEN) Xen version 4.1-unstable 
(XEN) Latest ChangeSet: Fri May 07 19:22:28 2010 +0100 21331:bbf009817ffb

rather old, but xen4 .
http://lists.xensource.com/archives/html/xen-devel/2010-05/msg00441.html
contains all i applied to get it working (03_dsdt contains the vBAR/pBAR 1:1 
Mapping)

Hardware is 
Corei7 CPU on Intel DX58SO 

Passed-through-GFX is
03:00.0 VGA compatible controller: nVidia Corporation GT200 [GeForce GTX 260] 
(rev a1)

GFX for Dom0 is:
02:00.0 VGA compatible controller: nVidia Corporation G96 [GeForce 9500 GT] 
(rev a1)
Dom0 Kernel: 2.6.34.7 from http://code.google.com/p/gentoo-xen-kernel/

its working flawless with winxp (but i can only boot the domU once, shuting it 
down and recreating it, makes domu AND dom0 hang... i can live with that 
limitation for now)
whats not working is windows7 or vista; can't figure out why 

Greetings
Tobias


On Monday 31 January 2011 12:50:21 Pasi Kärkkäinen wrote:
> On Sun, Jan 30, 2011 at 12:42:56AM -0500, Peter van der Maas wrote:
> > I really have not played with too much after the proof of concept.  I do
> > recall something eventually breaking the config, perhaps a Xen update. 
> > I've since put the hardware to better use, although I am still intrigued
> > by Xen.  At the time, I was working with a team that was giving serious
> > consideration to virtualizing their platform, and what better way to
> > learn than dig in and get my hands dirty.
> > 
> > I tried to include as much detail at the time, with the plethora of
> > different Xen builds, BIOS's updates, etc.
> > 
> > If someone has something specific I can try to help, but doubtful I will
> > be of any use.  For example, I did not realize Xen 4.x was even
> > released.  Recent projects I've been working on do not lend themselves
> > well to virtualization; however, I might have to give Xen 4.0 shot -
> > just to play, of course.  There were some serious changes happening with
> > Xen, the Linux kernel, and KVM when I stopped playing.
> 
> Ok.
> 
> I mainly meant if you remember what custom patches did you have to
> use/create? Most probably you had to do some vBar=pBar hacking, right?
> 
> I guess I'll have to try this myself one day and document the process
> with current Xen versions..
> 
> -- Pasi
> 
> > Sorry I could not be of more help.
> > 
> > Peter van der Maas
> > peter&pjv-c.com
> > 
> > -----Original Message-----
> > From: Pasi Kärkkäinen [mailto:pasik@xxxxxx]
> > Sent: Saturday, January 29, 2011 2:04 PM
> > To: Peter van der Maas
> > Cc: xen-users@xxxxxxxxxxxxxxxxxxx; anish.mailing.list@xxxxxxxxx;
> > xen-devel@xxxxxxxxxxxxxxxxxxx Subject: Nvidia 9500GT Xen VGA passthru
> > 
> > 
> > Hello Peter,
> > 
> > Some people have been asking for tips about Nvidia Xen VGA passthru,
> > so maybe you could help?
> > 
> > Could you post the exact steps you did?
> > 
> > Have you tried with Xen 4.0.x after your initial experiments in 2009?
> > 
> > Thanks!
> > 
> > -- Pasi
> > 
> > On Mon, Jan 26, 2009 at 02:16:32PM -0500, Peter J. van der Maas wrote:
> > >    I am happy to announce that I have successfully (and finally!) been
> > >    able to pass a PCIe graphics card via VT-d to a Windows XP HVM
> > >    DomU.
> > >    
> > >    
> > >    
> > >    About time!
> > >    
> > >    
> > >    
> > >    Config:
> > >    
> > >    -Intel Q6600 Core 2 Quad-Core, G0 stepping (I think)
> > >    
> > >    -Intel DQ35JO Motherboard, Q35 Chipset, BIOS v.991 (1/9/09), VT and
> > >    VT-d enabled
> > >    
> > >    -nVidia 9500GT (for VT-d passthrough - DomU)
> > >    
> > >    -nVidia GeForce2 MX200 (Dom0 console)
> > >    
> > >    -Xen (build: xen-unstable, recent as of ~ 1/25/09 1:00AM-EST)
> > >    
> > >    -Dom0: Linux-2.6.18.8-xen (via xen-unstable.hg)
> > >    
> > >    -DomU: Windows XP (pro, sp3, 32-bit)
> > >    
> > >    
> > >    
> > >    Once the VT-d bugs were recently corrected (thank you, xen-devel!),
> > >    everything went fairly smoothly.  Still very buggy yet (its
> > >    xen-unstable!), but overall it works.
> > >    
> > >    
> > >    
> > >    Make sure support for the PCI-backend is compiled into the kernel
> > >    (not just a module) and that you have your pciback.hide options in
> > >    grub (late-binding may work, but I haven't tried).
> > >    
> > >    
> > >    
> > >    Good luck!
> > >    
> > >    
> > >    
> > >    
> > >    
> > >    -Peter van der Maas
> > > 
> > > _______________________________________________
> > > Xen-users mailing list
> > > Xen-users@xxxxxxxxxxxxxxxxxxx
> > > http://lists.xensource.com/xen-users
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel

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