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xen-devel
Re: [Xen-devel] Qestion to gfx-passthrough to HVM linux domU
On Wed, Jan 27, 2010 at 01:35:18PM +0000, Timothy J. Moore wrote:
> Hi Dietmar,
>
> Your card does not support FLR, but it should still work - the 1 time and
> then Dom0 will need rebooting to reset the VGA card.
>
Is there really no way to reset the card besides FLR? How does Xen Client do
this?
> Sometimes TEXTMODE on the VGA does not work, then kdm loads with VGA mode and
> you see DomU gfx. Ok! Try creating a Serial port in DomU and using minicom
> etc in Dom0 (or via SSH to Dom0) and debug via the Serial port.
>
> Which patches did you apply?
>
That would be good to know aswell.
-- Pasi
> Tim
>
> -----Original Message-----
> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
> [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Dietmar Hahn
> Sent: 27 January 2010 12:46
> To: xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-devel] Qestion to gfx-passthrough to HVM linux domU
>
> Hi list,
>
> I try to get gfx-passthrough on a laptop. I inserted some patches from
> Weidong Han and I'am able to passthrough the primary card (the only gfx
> card) to the domU (Linux HVM). To connect to the domU I use the serial
> console.
> I boot the domU but can't see the boot loader (grub) screen.
> Later the kernel messages are printed (not on every boot!).
> I can start X11 on the console (with the passthroughed card) and see the
> kdm screen on the console.
> If I read the vga-bios from /dev/mem within the domU it's the same as
> in dom0.
> My questions:
> Where to search for the missing boot console messages?
> Has this to do with the FLR?
> How can I debug this?
>
> gfx: VGA compatible controller: nVidia Corporation G96M [Quadro FX 770M]
>
> Thanks.
>
> Dietmar.
>
> --
> Company details: http://ts.fujitsu.com/imprint.html
>
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>
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