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Re: [Qemu-devel] [PATCH 0/4] set the OEM fields in the RSDT and the FADT

From: Richard W.M. Jones
Subject: Re: [Qemu-devel] [PATCH 0/4] set the OEM fields in the RSDT and the FADT from the SLIC
Date: Thu, 21 Jan 2016 11:37:46 +0000
User-agent: Mutt/1.5.20 (2009-12-10)

On Thu, Jan 14, 2016 at 05:35:21PM +0100, Laszlo Ersek wrote:
> On 01/14/16 11:23, Richard W.M. Jones wrote:
> > On Thu, Jan 14, 2016 at 01:06:05PM +0300, Alex wrote:
> >> Richard, I just posted HW test results to
> >> https://bugzilla.redhat.com/show_bug.cgi?id=1248758.
> >> Should I do it here instead?
> > 
> > I saw that.  Testing a virt-p2v conversion is a lot more involved.  It
> > would involve something like this:
> > 
> > (1) Install Win7 on a UEFI-based physical machine, ensuring that Win7
> > is using UEFI to boot (not CSM or BIOS).
> > 
> > (2) Install a recent Fedora on a second machine (second machine may be
> > a VM).  'dnf install virt-v2v' on this machine.
> > 
> > (3) Boot virt-p2v ISO (http://oirase.annexia.org/virt-p2v/) on the
> > first physical machine.  Perform a P2V conversion
> > (http://libguestfs.org/virt-p2v.1.html).
> > 
> > (4) Boot the converted Win7 VM on the target qemu.  Reproduce the
> > original bug.  We have never had the original bug reported to us by
> > any customer.
> > 
> > (5) Patch qemu on the target.
> > 
> > (6) Boot virt-p2v ISO again, and perform a second conversion.
> > 
> > (7) Verify that the bug (step 4) has been fixed.
> Very good description, thank you.
> > While I was looking at Laszlo's patches just now, I realized that I
> > have an AMD box that uses UEFI (actually - it uses CSM right now, but
> > I think I can make it boot using pure UEFI).  I'll have to swap some
> > disks around but I may be able to try this out today or tomorrow if I
> > can find a spare hard disk.
> That would be awesome, yes. Thanks!

I'm afraid I gave up on this -- did give it my best.  It turns out
that the machine that I thought supported UEFI boot does not.  I'll
keep an eye out for such a machine and test this in future.

All was not lost because I did discover a few bugs in virt-p2v along
the way:



Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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