Re: [Xen-devel] Re: [Xen-users] XEN 4.1.1 + IGD passthrough and Intel DQ67SW, i7-2600

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Sat, Aug 27, 2011 at 08:51:40PM +0200, Erik Lind wrote:
> Hi Pasi,
> and thank you for your reply.
> 
> Currently I use Debian squeeze as Dom0,
> I use a kernel from the devel/xen-pciback-0.6.1 branch at
> git.kernel.org/?p=linux/kernel/git/konrad/xen.git. It is a 3.0.0-rc4
> based kernel.
> 
> I have been trying for the last day to get some other Dom0 kernel to
> work but I have so far been unable to get the pciback module to work
> on those kernels (such as the master branch or stable/2.6.39.x). I
> do prefer a fairly late kernel to get problem support for the
> motherboard and cpu.

Um, try the #master brach - it has been updated to 3.0.3.

But the problem is likely not with the kernel - but rather with the
QEMU toolstack. I should one of these days try to pass in some form
of video card to see how it fares.

> 
> I have been using a few different Intel drivers, the ones included
> in Windows 7 which are from March and newer ones ( from mid August)
> but with the same result.
> 
> I have been trying with a few different boot options, but the last
> try was with the most basic configuration possible. (included as
> grub.conf.gz)
> 
> Also included is the somewhat messy vm config file, xen_htpc1.cfg.gz
> 
> I have included startup logs for two different runs, one with
> Windows standard vga drivers (taged with svga_) and with Intel
> drivers (taged with intel_). Not sure if that gives any further
> clues.
> 
> I also added info from lspci -vv.
> 
> /Erik
> 
> On 08/26/2011 03:31 PM, Pasi Kärkkäinen wrote:
> >On Sat, Aug 20, 2011 at 01:59:07PM +0200, Erik Lind wrote:
> >>Hi
> >>
> >Hi,
> >
> >added xen-devel to cc.
> >
> >>I'm running XEN 4.1.1 (have tested 4.2 unstable too) and I'm trying to
> >>do graphics passthrough of my on board/chip GPU.
> >>
> >What distro is dom0? and what dom0 kernel?
> >
> >>I have been struggling for quite some time without success.
> >>
> >>Passthrough as such does work but when loading the proper drivers for
> >>the GPU it does not, and then Windows just stops loading.
> >>
> >What version of Intel gfx drivers?
> >
> >
> >>First attempt was to use Windows 7, I did try both 32 and 64 bit
> >>versions and it did not work.
> >>
> >>Then I did an attempt with XP 32bit and to much surprise it did work (at
> >>least it starts up properly haven't tested it that much yet).
> >>
> >>After that I tried with Vista 32 bit, just to see, and it did not work.
> >>
> >>In short I suppose there is some issue with the gfx drivers for Vista
> >>and Windows 7 or possibly there is some other difference between the
> >>OS:es. Or is it just something else that I'm missing?
> >>
> >>Has anyone been able to get XEN and IGD passthrough to work with proper
> >>drivers in Windows 7 and fairly new HW? Any suggestions how to proceed
> >>with troubleshooting?
> >>
> >>Thanks in advance
> >>
> >Please also post your grub.conf entry and /etc/xen/<vm>  cfgfile!
> >
> >-- Pasi
> >
> >
> 










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