[Pkg-libvirt-maintainers] Bug#574272: Bug#574272: libvirt update breaks 'save' command on domain; Error message: "Migration is not active"

[Guido Günther]

On Thu, Mar 18, 2010 at 01:26:18PM +0100, Andreas Bießmann wrote:
> I think I've understand the issue now.
> 
> My system had still installed kvm 72+dfsg-5+squeeze1 which has another
> command interface for qemu-monitor. The command 'info migrate' is not
> available there. After forcing installation of qemu-kvm 'virsh save' at
> least does not return with error "Migration is not active".
> 
> Maybe include this forced update of kvm in libvirt in some case?
This makes sense. We should at least also depend on qemu-kvm instead of
kvm anyway.

> Alternatively use attached patch to detect this error.

> +    } else if (strncmp(reply, "info", 4) == 0) {
> +        /* it seems we have a old kvm monitor interface */
> +        qemuReportError(VIR_ERR_INTERNAL_ERROR,
> +                        _("weird kvm monitor interface"));
> +        goto cleanup;
> +   }

Could you paste the output of "info migrate" with kvm 72? We should
reliably report that the command is missing.
Cheers,
 -- Guido