bostic@OKEEFFE.BERKELEY.EDU (Keith Bostic) (10/31/87)
Subject: cnstart doesn't always reset the interrupt level Index: sys/pdp/cons.c 2.10BSD Description: The cnstart routine can return without resetting the spl level. Repeat-By: By inspection. Fix: Apply the following patch. *** cons.c.orig Fri Oct 30 15:09:26 1987 --- cons.c Fri Oct 30 15:09:57 1987 *************** *** 169,175 **** goto out; addr = (struct dldevice *)tp->t_addr; if ((addr->dlxcsr & DLXCSR_TRDY) == 0) ! return; c = getc(&tp->t_outq); if (tp->t_flags & (RAW|LITOUT)) addr->dlxbuf = c&0xff; --- 169,175 ---- goto out; addr = (struct dldevice *)tp->t_addr; if ((addr->dlxcsr & DLXCSR_TRDY) == 0) ! goto out; c = getc(&tp->t_outq); if (tp->t_flags & (RAW|LITOUT)) addr->dlxbuf = c&0xff;