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xen-devel
Re: [Xen-devel] Newbie on VGA-Passthru
BTW: I use xxd command and it shows vgabios-pt.bin file size is
0xffff. In xm dmesg, it shows "(XEN) HVM1: f0000-fffff: Main BIOS".
So I think the vgabios-pt.bin is fully loaded in this situation.
On 8/4/2011 10:36 PM, Superymk wrote:
Hi Pasi,
Thanks for your reply. I've read the link you provide. I even redo
the experiment with the xen-unstable version and use merely 1 vga
graphics card according to
http://xen.1045712.n5.nabble.com/Patches-for-VGA-Passthrough-XEN-4-2-unstable-tt4406265.html.
It still shows only the qemu console in vnc client.
I also follow the
link:http://lists.xensource.com/archives/html/xen-devel/2011-05/msg01471.html.
But it still produce the same result.
I attach the log and lspci result. I find that my video card has
the same memory address range with the one in
http://lists.xensource.com/archives/html/xen-devel/2011-05/msg01471.html.
So I think the patch should work to me, but it is not. Also, I am
confused with this line "register_real_device: Real physical
device 03:00.0 registered successfuly!". Why it doesn't boot OS
normally if the vga card is registered successfully? The DomU has
WinXP installed.
Any suggestion? Please figure it out if I still miss something.
Thanks!
--Miao
On 8/4/2011 1:06 AM, Pasi Kärkkäinen wrote:
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
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