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Re: [Xen-devel] [PATCH V3 2/5] Config.mk: update OVMF changeset

On Wed, Oct 30, 2013 at 04:52:52PM +0100, Fabio Fantoni wrote:
> I also tried another build without change qemu repo and changet but
> same result.
> Do you have domUs working on ovmf? If yes what are differences from
> my test system?
> I tried to change also domU parameters:
> - removing audio, vdagent and usb redirection it changes nothing.
> - switch from stdvga to cirrus vga solves the performance problem,
> but with Precise it shows always a black screen after start of
> grub-efi entry, and black screen also with windows 7 installer.
> What domU vga you used on your tests?

Cirrus, because there's cirrus driver in OVMF. I don't know whether
there is driver for stdvga.

Black screen is expected because there's probably something wrong with
OVMF / Xen. I need to check real hardware behavior to identify the

> I'm trying to setup ovmf serial console, but I have no idea on where
> to start from. Do you have some suggestions?

Add serial='pty' in you HVM guest config file. I believe you can get a
tutorial on wiki.xen.org


> Thanks for any reply.
> >
> >>>>If you need more informations and/or tests tell me and I'll do/post them.
> >>>>
> >>>>About legacy bios support that I mentioned days ago I found this
> >>>>document about:
> >>>>http://code.coreboot.org/p/seabios/source/tree/master/README.CSM
> >>>>Seem that need ovmf change (and probably also on hvmloader) that are
> >>>>not able to do.
> >>>>
> >>>>Thank for any reply and sorry for my bad english.
> >>>

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