[Xen-devel] Newbie on VGA-Passthru

[Superymk <superymkxen@xxxxxxxxxxx>]

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 
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!

lspci
Description: Text document

winxp
Description: Text document

xldmesg
Description: Text document

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