diff -Naur -X exclude-files ac_clean/arch/um/kernel/trap_kern.c ac/arch/um/kernel/trap_kern.c
--- ac_clean/arch/um/kernel/trap_kern.c	Sun May 27 15:42:43 2001
+++ ac/arch/um/kernel/trap_kern.c	Sun May 27 20:36:05 2001
@@ -191,7 +191,7 @@
 	return(pid);
 }
 
-void exit_debugger(void)
+static void exit_debugger(void)
 {
 	close_chan_pair(&gdb_chan);
 }
diff -Naur -X exclude-files ac_clean/arch/um/kernel/trap_user.c ac/arch/um/kernel/trap_user.c
--- ac_clean/arch/um/kernel/trap_user.c	Sun May 27 18:45:44 2001
+++ ac/arch/um/kernel/trap_user.c	Sun May 27 20:43:34 2001
@@ -207,11 +207,6 @@
 				if(debugger_pid != -1)
 					child_signal(pid, status);
 				continue;
-			case SIGBUS:
-			case SIGILL:
-				tracer_panic("Unexpectedly got signal %d in "
-					     "signals", sig);
-				break;
 			case SIGTRAP:
 				sig = 0;
 				if(switching_modes(task)) tracing = 0;
@@ -235,7 +230,7 @@
 			case SIGALRM:
 			case SIGVTALRM:
 			case SIGFPE:
-				if(!tracing && debugger_pid != -1){
+				if(!tracing && (debugger_pid != -1)){
 					child_signal(pid, status);
 					continue;
 				}
@@ -247,6 +242,8 @@
 			case SIGCHLD:
 				sig = 0;
 				break;
+			case SIGBUS:
+			case SIGILL:
 			default:
 				if(debugger_pid != -1){
 					child_signal(pid, status);