6460790 panic in ngdrmach module

[jesus.pasa...@sun.com]

Author: jesusm
Repository: /hg/onnv/onnv-gate
Revision: 0cd136fee391ecd25d77e362550c56ac7e53caf0
Log message:
6460790 panic in ngdrmach module

Files:
        update: usr/src/uts/sun4u/starfire/io/drmach.c