--- bash-3.0/jobs.c.jobs        2004-09-08 16:07:25.081427747 +0100
+++ bash-3.0/jobs.c     2004-09-08 16:18:06.698604033 +0100
@@ -2475,6 +2475,7 @@
   PROCESS *child;
   pid_t pid;
   int call_set_current, last_stopped_job, job, children_exited, waitpid_flags;
+  static int wcontinued_not_supported = 0;
 
   call_set_current = children_exited = 0;
   last_stopped_job = NO_JOB;
@@ -2488,7 +2489,15 @@
                        : 0;
       if (sigchld || block == 0)
	waitpid_flags |= WNOHANG;
+      retry:
+      if (wcontinued_not_supported)
+	waitpid_flags &= ~WCONTINUED;
       pid = WAITPID (-1, &status, waitpid_flags);
+      if (errno == EINVAL)
+	{
+	  wcontinued_not_supported = 1;
+	  goto retry;
+	}
 
        /* The check for WNOHANG is to make sure we decrement sigchld only
 	  if it was non-zero before we called waitpid. */