Now , I am using RHEL5.7's xen-kernel, I must add "edd=off" , otherwise ,it will print this error : 1706-Smart Array Controller EBDA Memory Corrupted ,INT 13h BIOS Cannot Coninue - Sytem Halted RHEL said that their RHEL5.7 xen-kernel must make edd off ; while non-xen kernel doesn't need to make edd off. why ? for community XEN developing , is there limit regarding to EDD(Enhanced Disk Drive) ? welcome your comments .thanks . -Bob -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html