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xen-devel
RE: [Xen-devel] Re: graphics passthrough with VT-d
I didn't meet this issue. I can passthrough gfx to WinXP guest.
Did you try the same Windows guest without gfx passthrough patches?
Regards,
Weidong
Christian Tramnitz wrote:
> FYI, apparently I passed through the wrong usb bus, now with all USB
> controllers passed through I have keyboard and mouse in HVM domU.
> Knoppix still boots on secondary gfx cards (and even uses Compiz
> Fusion on 3D accelerated desktop), but I still can't get Windows to
> boot.
>
> The STOP code is actually A5 (and not 5A as reported earlier) and
> indicates an ACPI error of the available PCI resources, MS KB says:
>
> "STOP 0x000000A5"
> (0x00000002, Parameter2, Parameter3, Parameter4):
> This error is defined as ACPI root PCI resource failure. To discover
> what current resources are being used by PCI devices, it must be able
> to query the CRS descriptor in the ACPI namespace. This error occurs
> because the BIOS lacks a pointer to the list, the list is empty, or
> contains errors/conflicts.
>
> I haven't seen this before, so its most probably related to the
> passthrough and not so trivial as I initially assumed.
>
> If I had keyboard access early in the bootup process I could press F7
> to get the Standard-PC HAL (non-ACPI), but it seems the Bochs BIOS
> lacks USB HID support, so I only have the keyboard available when the
> OS is loading the drivers which is to late for Windows HAL
> selection...
>
>
>
> Any ideas?
>
>
> Thanks,
> Christian
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
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