Symbol: PANICSTKSIZE
usr/src/cmd/mdb/common/modules/genunix/kmem.c
2106
if (t->t_sp >= panicstk && t->t_sp < panicstk + PANICSTKSIZE)
usr/src/uts/common/os/panic.c
159
char panic_stack[PANICSTKSIZE]; /* reserved stack for panic_thread */