diff -burN linux-2.4.7/arch/alpha/kernel/traps.c linux-247-patched/arch/alpha/kernel/traps.c
--- linux-2.4.7/arch/alpha/kernel/traps.c	Thu Jul 26 16:45:31 2001
+++ linux-247-patched/arch/alpha/kernel/traps.c	Wed Aug  1 17:29:01 2001
@@ -252,6 +269,10 @@
 			if (alpha_fp_emul(regs.pc-4))
 				return;
 		}
+		send_sig(SIGILL, current, 1);
+		break;
+
+	      case 5: /* illop */
 		send_sig(SIGILL, current, 1);
 		break;