Re: [Xen-devel] Newbie on VGA-Passthru

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Wed, Aug 03, 2011 at 11:05:37PM +0800, Superymk wrote:
>    Pardon me if I should create this mail thread in other mail lists.
> 
>    I just tried to assign the network card to the DomU and the device can be
>    identified in it. But it is not the same case with the VGA card.
> 

Did you read: http://wiki.xen.org/xenwiki/XenVGAPassthrough ?

-- Pasi

>    Thanks,
>    Miao
> 
>    On 8/3/2011 7:52 PM, Superymk wrote:
> 
>      Hi all, sorry to bother.
> 
>      I'd like to ask how to enable HVM based vga-passthru of the secondary
>      graphics adapter on Xen-4.1-testing?
>      Now DomU only shows the qemu console after started.
> 
>      My box's configuration is i7 965 + DX58SO + 2* Nvidia 9800 GTX. I use
>      CentOS 5.6, checkout xen-4.1-testing.hg and jeremy's kernel (2.6.32.43).
> 
>      I am trying to enable vga-passthru on my box by patching the first four
>      patches according to
>      
> [1]http://lists.xensource.com/archives/html/xen-devel/2010-05/msg00441.html.
>      It seems all hunks are patched successfully. In order to fix the compile
>      errors. I modified the pass-through patch to make the hunk #1 to be
>      placed in the middle of the pass-through.c file.
> 
>      I attached the domU config file (winxp), dom0 lspci output (lspci), xl
>      dmesg output (xldmesg). The pci of the secondary graphics card is
>      03:00.0
> 
>      Grub config:
> 
>      title CentOS (2.6.32.43-xen)
>          root   (hd0,0)
>             kernel  /boot/xen-4.1.gz dom0_mem=1024M loglvl=all
>      guest_loglvl=all iommu=1
>             module  /boot/vmlinuz-2.6.32.43 root=LABEL=/ ro
>      xen-pciback.hide=(03:00.0)
>             module  /boot/initrd-2.6.32.43.img
> 
>      Thanks a lot!
> 
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> References
> 
>    Visible links
>    1. http://lists.xensource.com/archives/html/xen-devel/2010-05/msg00441.html
>    2. mailto:Xen-devel@xxxxxxxxxxxxxxxxxxx
>    3. http://lists.xensource.com/xen-devel

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