Re: Graphics pass-through

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  Hi,

The changes we made are very less, mostly disabling default QEMU VGA.

But there are few problems that we are still working on
1. The display on the monitor, probably only appears after the KMS is
enabled. It does not display the grub menu and booting log.

Sounds like you're not enabling legacy VGA MMIO and I/O port space to
the physical device.  Without card specific drivers, seabios and grub
have no way to write to the screen.

There is a initialization order issue with the legacy vga memory @ 0xa00000 and the piix3 chipset. Booting a guest with '-vga none -device VGA' has the same effect (no boot messages).

cheers,
  Gerd
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