diff --git a/releng/run_all_releng b/releng/run_all_releng
index ad682298..80150455 100755
--- a/releng/run_all_releng
+++ b/releng/run_all_releng
@@ -63,18 +63,30 @@ fi
  printf "\n${SELF}: Stopped at ${DEND}.\n"
  
  if   [ "${1}" == "-cleanup" ]; then
-   rm -f "${CLOG}"
+      rm -f "${CLOG}"
  else
-   E2=`date '+%s'`
-   let ES="${E2} - ${E1}"
-   printf "\n${SELF}: Total time elapsed ${ES} sec."
-   printf "\n${SELF}: stdout&stderr saved in ${CLOG}.\n"
+      E2=`date '+%s'`
+      let ES="${E2} - ${E1}"
+      printf "\n${SELF}: Total time elapsed ${ES} sec."
 
-# TODO: work out a less noisy diff'ing technique!
-#   if [ -f "${CLOG}".prev -a -f "${CLOG}" ]; then
-#     printf "\n${SELF}: Log diff follows:\n"
-#     diff -Naur "${CLOG}".prev "${CLOG}"
-#   fi
+      ##### TODO: work out a less noisy diff'ing technique!
+      #if [ -f "${CLOG}".prev -a -f "${CLOG}" ]; then
+      #  printf "\n${SELF}: Log diff follows:\n"
+      #  diff -Naur "${CLOG}".prev "${CLOG}"
+      #fi
+
+      #####
+      printf "\n${SELF}: Std(out|err) logged in ${CLOG}."
+      printf "\n${SELF}: Log file examination follows:\n"
+      # severity classes of libdax_msgs.h in libburn and libisofs
+      # List of boring keywords:
+      #   'UPDATE' A pacifier message during long running operations.
+      # List of interesting keywords:
+      LIST_KWD="(NEVER|ABORT|FATAL|FAILURE|MISHAP|SORRY|WARNING|HINT|NOTE|DEBUG|ALL)"
+
+      if [ -f "${CLOG}" ]; then
+          grep -n -PT "${LIST_KWD}" "${CLOG}"
+      fi
 
  fi