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xen-users
[Xen-users] VGA passthrough - GA-890FXA with ASUS EAH5750 video
Hello, I would like to report to the group that I have been successful with VGA passthrough using the following configuration: Gigabyte GA-890FXA-UD5 ASUS EAH5750 1GB GDDR5 video Fedora 13 XEN 4.0.1 Windows 7 64 bit HVM guest Xen was installed per Pasi's Fedora 13 Xen 4.0 Tutorial found here: http://wiki.xen.org/xenwiki/Fedora13Xen4TutorialThe tutorial was very helpful and many thanks to Pasi for putting it and the RHEL6 tutorial together. Initially I could not get VGA passthrough to work, all the VGA passthrough procedures I found included putting gfx_passthru=1 in the VM configuration file but every time I did this the boot process
would hang with a prompt at the QEMU console. After several days of trying to figure this out I finally hit the magic combination... VGA passthrough worked without gfx_passthru=1 configured and the initial passthrough needs to be done while the VM is running. I did the passthrough using the xm pci-attach command. After doing this I found Windows detected the video card so I loaded the video drivers in the VM and rebooted and now it is working well. Windows 7 reports the "Windows Experience Index" for Graphic and Gaming as 7.3/7.3 and id_perftest with Quake 4 was around 70fps at Ultra Quality 1920x1200. I am not much of a gamer but that is plenty fast for me! Thanks, Eric
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