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Subject: Re: [Qemu-devel] [PATCH] [RFC] Add machine type pc-1.0-qemu-kvm for
 live migrate compatibility with qemu-kvm
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To: Alex Bligh <alex@alex.org.uk>
Cc: Ryan Harper <ryan.harper@canonical.com>, Serge Hallyn <serge.hallyn@canonical.com>, "Michael S. Tsirkin" <mst@redhat.com>, Libvirt <libvir-list@redhat.com>, Serge Hallyn <serge.hallyn@ubuntu.com>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, Alexander Graf <agraf@suse.de>, "quintela@redhat.com" <quintela@redhat.com>, Cole Robinson <crobinso@redhat.com>, Amit Shah <amit.shah@redhat.com>, Bruce Rogers <brogers@suse.com>, =?ISO-8859-1?Q?Andreas_F=E4rber?= <afaerber@suse.de>, "Serge E. Hallyn" <serge@hallyn.com>

Il 29/07/2014 15:39, Alex Bligh ha scritto:
>> > I'm not sure either.  You could simply package the 12.04 ipxe ROMs into
>> > 14.04, and add a note about getting the sources for GPL friendliness.
> This would be my preference (or in Ubuntu's case, add it to the ipxe-qemu
> package) but I think it should only be used when the legacy machine type
> is used or it will break inbound migrations from other 14.04 machines
> started with 128k ROMs (AIUI).

"-M pc" and its alias "-M pc-i440fx-2.0" doesn't use pxe-virtio.rom at
all (at least upstream).  Does Ubuntu 14.04 have efi-virtio.rom?

It would break "-M pc-1.0" started on older 14.04, but I think that's
acceptable.

Paolo