[Fedora-xen] Live migration fails depending on on the kernel Version of DomU

[Pasi Kärkkäinen]

On Wed, Apr 29, 2009 at 09:43:34AM +0200, Harald Schwier wrote:
> Hi,
> I'm running a two node cluster xen-Cluster with CentOS 5.3. I'm using
> gfs2 for the  cluster filesystem and kernel 2.6.18-128.1.6.el5xen #1 SMP
> for the Dom0 kernel.
> 
> Live migration works fine as long as the DomU guest is running CentOS 5.3
> or SLC 4.7 with kernel version 2.6.9-55.EL.cern. But if the SLC 4.7 guest is
> running the current 2.6.9-78.0.17.EL.cern kernel, the migration freezes 
> without
> an error message.
> 
> Any idea why the DomU kernel has an impact on live migration? Is  there a
> possibility to migrate a DomU guest running kernel 2.6.9-78.0.17.EL.cern?
> Thanks in advance,
> Harald
> 

This is fedora-xen list, not centos-virt .. :) 

This _sounds_ like upstream bug/issue, so you might want to get RHEL support
contract and then report it to Redhat..

Or you could try rhelv5-list or xen-devel.
I can't really help you with the actual issue..

-- Pasi