[Bug 52121] mgag200 driver does not work properly with Xen in new Intel Server Board

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=52121





--- Comment #19 from Fernando Chaves <fernando at supergg.com.br>  2013-01-23 04:15:42 ---
I would like to inform that this motherboard uses UEFI.

And, obviously, I'm using Legacy Boot.

This requires some [video] emulation, right?

There is any known issue with Xen about motherboards that uses UEFI? If I
install an UEFI-aware bootloader, like rEFInd or grub-efi, can I boot the
hypervisor?

Big observations made since last message sent:
- BIOS-aware bootloaders (GRUB Legacy, GRUB 2, ISOLINUX, PXELINUX) have a
slower keyboard response AND very slow screen refresh. keystrokes under those
bootloaders have a ~500ms response delay. Also screen refresh is [much] slower,
when entering submenus.
- All behaviors previously mentioned disappears when adding an video card.
Tested with a 10 year-old ATI Rage XL 16MB PCI.

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