FWARC 2008/623 Improved Error Reporting for DR Domain Services
6719903 DR error message should be more helpful when 'drd' is disabled

6560842 sparc drivers should not use SCCS keywords in user-visible strings

6651197 Add support for LDoms Virtual I/O Dynamic Reconfiguration (VIO DR)
FWARC 2008/229 Virtual IO DR Domain Service