[libvirt] [Qemu-devel] [PATCH v2 0/2] Add machine type pc-1.0-qemu-kvm for live migrate compatibility with qemu-kvm

[Serge E. Hallyn]

Quoting Alex Bligh (alex at alex.org.uk):
> Serge,
> 
> On 7 Aug 2014, at 03:50, Serge Hallyn <serge.hallyn at ubuntu.com> wrote:
> 
> > This worked for me when migrating by hand.  I'm trying to make it work
> > through libvirt, using the following patch.  (So whether to have
> > pc-1.0 be treated as qemu's or qemu-kvm's pc-1.0 is specifed using a
> > boolean in /etc/libvirt/qemu.conf)  Qemu starts with decent
> > looking args, but for some reason the the migration is failing -
> > still looking through the logfile to figure out why.
> 
> Are you using exactly the same arguments by hand and with libvirt?
> 
> Also, on reflection, given one of the changes between 1.0 and 2.0
> is ACPI, I should probably have done some testing with an ACPI
> enabled image, rather than just cirros (which not ACPI enabled);
> any chance this is ACPI related?

A-ha, acpi wasn't a problem.  I actually had a general migration
problem even when coming from other utopic hosts.  With that fixed,
I've got successful migration from qemu-kvm 1.0 in precise to
a utopic host.

-serge