As per Ian''s request, I''m providing below patch to possibly help identify a problem we are seeing on basically all 64-bit systems where smaller or larger amounts of unhandled interrupts (including cases on lines where no activity is expected all, based on the behavior with a native kernel on the same system). Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel