diff -up dejagnu-1.5/lib/remote.exp.smp-1 dejagnu-1.5/lib/remote.exp
--- dejagnu-1.5/lib/remote.exp.smp-1	2011-03-22 14:51:40.962914270 +0100
+++ dejagnu-1.5/lib/remote.exp	2011-03-22 14:54:36.152608589 +0100
@@ -86,11 +86,16 @@ proc local_exec { commandline inp outp t
     # doesn't assign process groups correctly and we can't reliably kill
     # programs that bear children. We can't use tcl's exec because it has
     # no way to timeout programs that hang. *sigh*
+    #
+    # The expect command will close the connection when it sees EOF. On
+    # SMP machine, close the connection may send SIGHUP to the child
+    # and cause it to exit before it can exit normally.  We should make
+    # the child to ignore SIGHUP.
 
     global errorInfo
     if { "$inp" == "" && "$outp" == "" } {
 	set id -1
-	set result [catch "eval spawn \{${commandline}\}" pid]
+	set result [catch "eval spawn -ignore SIGHUP \{${commandline}\}" pid]
 	if { $result == 0 } {
 	    set result2 0
 	} else {
@@ -130,7 +135,7 @@ proc local_exec { commandline inp outp t
 	    return [list -1 "open of $commandline $inp $outp failed: $errorInfo"]
 	}
 	set pid [pid $id]
-	set result [catch "spawn -leaveopen $id" result2]
+	set result [catch "spawn -ignore SIGHUP -leaveopen $id" result2]
     }
     # Prepend "-" to each pid, to generate the "process group IDs" needed by
     # kill.