Hello Everyone, Sorry for the delayed response. Flased the bios to the latest version 1.1.7 dated 2007. Bellow is xen kernel built features:
CONFIG_XEN=y CONFIG_XEN_DOM0=y CONFIG_XEN_PVHVM=y CONFIG_XEN_MAX_DOMAIN_MEMORY=500 CONFIG_XEN_SAVE_RESTORE=y # CONFIG_XEN_DEBUG_FS is not set # CONFIG_XEN_PVH is not set CONFIG_PCI_XEN=y CONFIG_XEN_PCIDEV_FRONTEND=y CONFIG_XEN_BLKDEV_FRONTEND=y CONFIG_XEN_BLKDEV_BACKEND=y CONFIG_XEN_NETDEV_FRONTEND=y CONFIG_XEN_NETDEV_BACKEND=y CONFIG_INPUT_XEN_KBDDEV_FRONTEND=y CONFIG_HVC_XEN=y CONFIG_HVC_XEN_FRONTEND=y # CONFIG_XEN_WDT is not set CONFIG_XEN_FBDEV_FRONTEND=y # Xen driver support CONFIG_XEN_BALLOON=y CONFIG_XEN_SCRUB_PAGES=y CONFIG_XEN_DEV_EVTCHN=y CONFIG_XEN_BACKEND=y CONFIG_XENFS=y CONFIG_XEN_COMPAT_XENFS=y CONFIG_XEN_SYS_HYPERVISOR=y CONFIG_XEN_XENBUS_FRONTEND=y CONFIG_XEN_GNTDEV=y CONFIG_XEN_GRANT_DEV_ALLOC=y CONFIG_SWIOTLB_XEN=y CONFIG_XEN_PCIDEV_BACKEND=y CONFIG_XEN_PRIVCMD=y CONFIG_XEN_ACPI_PROCESSOR=y # CONFIG_XEN_MCE_LOG is not set CONFIG_XEN_HAVE_PVMMU=y The machine is still rebooting when booting in the Xen built kernel. I know these machines have a thing called VRM (Voltage Regulator Module). This module is needed for dual cpu configurations. The machine has only on CPU and so no VRM. I read somewhere there was a issue with VRM equipped machine. Your help is greatly appreciate as I am stumped over this. Nick.