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Re: [Xen-users] Xen VGA Passthrough - GTX 480 successfully quadrified to quadro 6000 (softmod) - more than 4GB of RAM for Win XP 64 Bits

To: Gordan Bobic <gordan@xxxxxxxxxx>

From: David TECHER <davidtecher@xxxxxxxx>

Date: Thu, 19 Sep 2013 00:34:09 +0100 (BST)

Cc: "xen-users@xxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxx>

Delivery-date: Wed, 18 Sep 2013 23:35:11 +0000

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List-id: Xen user discussion <xen-users.lists.xen.org>

I reset OR2 to its default value.

I did a test and my VM Win7-64 and my VM Linux-64 work. My VM Win7-64 is a fresh/new VM. Everything works fine for this VM.

I think that my VM WinXP-64 is broken. This is an old VM (I guess that something is broken for this VM). I will rebuid a new domU WinXP-64 in a couple of days and will let you know.

VM WinXP-64 is an old VM so uninstalling/installing NVIDIA drivers, Xen gp lpv drivers into this VM should broke something. I don't think that my issue for this VM is related to the card BIOS.

Keep you posted.

Thanks

De : Gordan Bobic <gordan@xxxxxxxxxx>
À : David TECHER <davidtecher@xxxxxxxx>
Cc : xen-users@xxxxxxxxxxxxx
Envoyé le : Mercredi 18 septembre 2013 18h18
Objet : Re: [Xen-users] Xen VGA Passthrough - GTX 480 successfully quadrified to quadro 6000 (softmod) - more than 4GB of RAM for Win XP 64 Bits

On Wed, 18 Sep 2013 16:39:26 +0100 (BST), David TECHER
<davidtecher@xxxxxxxx> wrote:
> AND1 OR1 AND2 OR2.
>
> Yes. This is the correct order.
>
> OR1 and OR2 have been updated in my case. I didn't change AND1 and
> AND2.
>
> To be honest I am lucky that my card is still working.

It certainly sounds like it. So the first time you correctly
toggled bit 13 in the OR1 mask to 1. That should be all that
was required.

Then you toggled up bit 13 in OR2 mask to 1 - right?

I don't know what that bit does - I haven't been able to identify
it's purpose. It might be worth changing it back and verifying
that the crash you originally saw wasn't just a random occurrence.

I should probably try to re-check what those bits do. There might
be something identifiably useful there.

Gordan

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