Re: [Xen-devel] Crash w/ bios="ovmf"

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Wed, Feb 22, 2017 at 03:50:28PM -0500, Jason Dickens wrote:
> I'm trying to find a solution to an immediate VM crash which occurs by
> simply adding "bios='ovmf' to my configuration?
> 
> I started with a standard Ubuntu install which contained Xen 4.6.0 and had
> the crash. The VM works fine booting w/ SeaBIOS once the configuration line
> is removed. It also works fine with OVMF using just QEMU.
> 
> Then I was led to believe that i needed to rebuild Xen with --enable-ovmf ,
> using the source from apt-get source, this proved to be difficult and
> ultimately I had to disable stub domains to get it to work. (in case, that
> is relevant)
> 
> Still I get the crash almost immediately after the VM is launched. With
> sdl=1 I can see the window flash up and disappear.
> I should mention that ultimately I plan to use a non-standard build of the
> OVMF kernel, but for now I'm happy to get it working with any one.

Can you try
pci_platform=0 in your guest config pleae?

> 
> At this point, I have been studying the source to try and determine where
> things diverge. I find very little use of LIBXL_BIOS_TYPE_OVMF and can't
> find  exactly where setting hvm.bios that even matters?
> 
> In any case, I would appreciate help on how to avoid the crash and/or
> understanding the Xen modifications for OVMF.
> 
> Jason
> 
> 
> 
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