--- minicom-2.2/src/ipc.c.ttyerror	2005-10-31 11:31:38.000000000 +0100
+++ minicom-2.2/src/ipc.c	2007-07-25 15:22:28.000000000 +0200
@@ -62,6 +62,8 @@ int check_io(int fd1, int fd2, int tmout
       if (!i && portfd_is_socket && portfd == fd1)
         term_socket_close();
 #endif /* USE_SOCKET */
+      if (i <= 0 && !portfd_is_socket && portfd == fd1)
+        leave(_("Read error on tty device."));
     }
     buf[i > 0 ? i : 0] = 0;
     if (buflen)