[libvirt] can't receive keepalive message during migration

[Hu Tao]

On Wed, Jul 04, 2012 at 07:07:13PM -0600, Eric Blake wrote:
> On 07/04/2012 06:31 PM, Hu Tao wrote:
> > Hi,
> >  
> > When testing migration, I found a problem that the server can't receive
> > keepalive reply from client when doing migration. The log shows that
> > virsh did send the keepalive reply, but server didn't reveive it.
> > 
> > The strange part is it's OK to migrate from host A to Host B, but always
> > fails to migrate from host B to host A. When disable keepalive,
> > migration will success.
> > 
> > Any ideas?
> 
> What libvirt version on source and destination hosts?  If it was before
> 0.9.13 (more specifically, the series of commits ending at 4d971dc7ef),
> then there were known flaws in how libvirt was handling keepalive messages.

Both were updated to latest git tree(yesterday).

-- 
Thanks,
Hu Tao