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

["Pasi Kärkkäinen" <pasik@iki.fi>]

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.
>

Did you try latest upstream Linux 3.1-rc3+ ? it includes xen-pciback.

> 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.
>

Ok. Maybe Intel developers can comment which driver version should work with win7.


> 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.
>


-- Pasi


> /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
>>
>>
>