Ross S. W. Walker wrote:
After seeing this same issue on my Xen 3.2 install, but with NO migration or iSCSI happening I decided it is probably NOT iSCSI's fault, so I decided to research it a little more and this is what I found:
http://docs.xensource.com/XenServer/4.0.1/guest/ch04s08.html#rhel5_limitatio...
Thanks Ross. I'll do more research into this when I get back to work.
The Release Notes say:
"Soft lockup messages after suspend/resume or live migration (Red Hat Bugzilla 250994 https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=250994). These messages are harmless, but there may be a period of inactivity in the guest during live migration as a result of the lockup."
This seems to imply that the delay during the live migration is causing the messages. In my case the messages persist forever long after the migration. I might take a look at the patched kernel and see it there's a specific fix that could be applied to a more recent kernel.
Brett