ASYNC_BERR
#define ASYNC_ERR (ASYNC_HWERR | ASYNC_BERR | ASYNC_BTO | \
if (lwp->lwp_pcb.pcb_flags & ASYNC_BERR) {
lwp->lwp_pcb.pcb_flags &= ~ASYNC_BERR;
trap_async_berr_bto(ASYNC_BERR, rp);
si.si_code = (type == ASYNC_BERR ? BUS_OBJERR : BUS_ADRERR);
pcb_flag |= ASYNC_BERR;
pcb_flag |= ASYNC_BERR;
pcb_flag |= ASYNC_BERR;
pcb_flag |= ASYNC_BERR;