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Hi all, I''m running Xen 4.1 using Kernel 3.1 as Dom0 and a Windows 7 HVM guest. I have VT-D enabled, and I''m using pci passthrough for an Nvidia Quadro FX3800M card (currently used as a secondary card with gfx_passthru=0 in my config file) I''m able to install Nvidia drivers in Windows 7, but after reboot there is a yellow exclamation point in device manager with an error of "Code 10 this device cannot start" (although device manager d...

Aloha! Concisely, I''ve been trying for several days to get VGA/PCI passthrough working. Regarding VGA vs PCI passthrough, I''m not entirely certain of the difference? Does Xen perform a different set of operations when passing through a VGA card versus any PCIe card? I''ve read the wiki and it seems the answer is "yes;" however, when passing through a

Hi, I''m trying to get VGA passthrough to work to an XP x64 guest, and I''m seeing "interesting" things happening. I''m using the kernel and userspace tools from here: http://xen.crc.id.au/support/guides/install/# on Scientific Linux 6. I gave up on trying to get an Nvidia card to work in the guest having read about the extra patches required to get a