Symbol: PS_UNKNOWN
usr/src/uts/sun4u/sunfire/io/sysctrl.c
1960
PS_UNKNOWN : PS_OUT;
usr/src/uts/sun4u/sunfire/io/sysctrl.c
1988
case PS_UNKNOWN:
usr/src/uts/sun4u/sunfire/io/sysctrl.c
2066
(pstatp->dcshadow == PS_UNKNOWN) ||