[Xen-users] Fwd: Success VGA passthrough on windows 7 x64 with Xen 4.2.1-pre

[Dariusz Krempa <imperiaonline4@xxxxxxxxx>]

menuentry 'Ubuntu GNU/Linux, with Xen 4.2.1-pre and Linux 3.6.0-rc7-xen-4.2-testing' --class ubuntu --class gnu-linux --class gnu --class os --class xe

n {

        insmod lvm

        insmod part_msdos

        insmod ext2

        set root='(ubuntu-root)'

        search --no-floppy --fs-uuid --set=root 8626e2ee-67d6-4f8b-a407-d0c73a445104

        echo    'Loading Xen 4.2.1-pre ...'

        multiboot       /boot/xen-4.2.1-pre.gz placeholder  

        echo    'Loading Linux 3.6.0-rc7-xen-4.2-testing ...'

        module  /boot/vmlinuz-3.6.0-rc7-xen-4.2-testing placeholder root=/dev/mapper/ubuntu-root ro  splash quiet xen-pciback.hide=(0:1d.0)(1:00.0)(1:00.1)

        echo    'Loading initial ramdisk ...'

        module  /boot/initrd.img-3.6.0-rc7-xen-4.2-testing

}

>> Dear Dariusz Krempa,
>>
>> Could you publish your xen vga passthrough configuration files, namely the
>> windows 7 x64 HVM domU configuration file?
>>
>> I have tried setting pci_msitranslate to 1 and also 0 but the nasty yellow
>> triangle with an exclamation mark and error 43 won't go away.
>> pci_msitranslate has no effect on my system.
>>
>> Thank you very much.
>>

No problem, there are my configurations for DomU windows 7 and 8. And this my grub configuration :

>
> Hi,
>
> I have applied Xen VGA passthrough patches from David Techer's personal
> website to Xen 4.2.1-pre source tree. Everything compiled and installed
> smoothly. But when I tried to start Windows 8 HVM domU with VGA passthrough,
> it gave me the following error:
>
> xc: error: unable to allocate memory to the HVM guest. (16: device or
> resource busy): Internal error.
>
> There are no issues with Xen 4.2-unstable changeset 25099 however.
>
>
> --
> Yours sincerely,
>
> Mr. Teo En Ming (Zhang Enming)
> Singapore
>

I have this error a lot time with Xen 4.2+ but i just repeat create command and all is fine.

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