diff --git a/exp-drd/tests/linuxthreads_det.stderr.exp-linuxthreads b/exp-drd/tests/linuxthreads_det.stderr.exp-linuxthreads
new file mode 100644
index 0000000..7fff629
--- /dev/null
+++ b/exp-drd/tests/linuxthreads_det.stderr.exp-linuxthreads
@@ -0,0 +1,7 @@
+
+Detected the LinuxThreads threading library. Sorry, but DRD only supports
+the newer NPTL (Native POSIX Threads Library). Please try to rerun DRD
+after having upgraded to a newer version of your Linux distribution.
+Giving up.
+
+ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)
diff --git a/exp-drd/tests/linuxthreads_det.stdout.exp-linuxthreads b/exp-drd/tests/linuxthreads_det.stdout.exp-linuxthreads
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/exp-drd/tests/linuxthreads_det.stdout.exp-linuxthreads