[Xen-users] VGAPassthru- how to?

["Likarpenkov Alexander" <al@xxxxxxxxxxxxxxx>]

Nice day.

lspci |  grep VGA
01:06.0 VGA compatible controller: ATI Technologies Inc 264VT [Mach64 VT] 
(rev 40)
02:00.0 VGA compatible controller: ATI Technologies Inc RV630 [Radeon HD 
2600 Series]
07:00.0 VGA compatible controller: ATI Technologies Inc RV630 [Radeon HD 
2600 Series]
Throughout the year, does not go correctly configure VGA passthrough
Here, we show how to do it even on the one video card.
http://www.youtube.com/watch?v=1ia3IwG6tp4&feature=player_embedded

I have:
Ubuntu 10.10 Server
Kernel Jeremy 2.6.32.48
Xen 4.1.2 (4.2 untable freeze vm)

Windows7 (32 & 64 in testsigning mode)
Pv driver 0.11.0.308 (debug version 357)

If I add in the config gfx_passthru = 1 and boot from any HD device - after 
pciback disable the device - graphics card is completely disconnected to 
reboot
If it is secondary - there is no loading system - qemu shows its proprietary 
information.
If I shipped with the PCI card (no PCI-E) and it is the primary - I see 
right on the screen qemu boot screen and try to boot from a block device. 
Then the video card crashes.
How to make sure that each of the ATI HD cards showed qemu boot screen and 
start DomU after xm create?

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