diff --git a/tests/techmap/README.md b/tests/techmap/README.md
new file mode 100644
index 000000000..8765f0d34
--- /dev/null
+++ b/tests/techmap/README.md
@@ -0,0 +1,5 @@
+# Techmap Test Cases
+
+## Disabled
+
+- `bug5574`: has some threading issue on Linux only...
diff --git a/tests/techmap/bug5574.ys b/tests/techmap/bug5574.ys.DISABLED
similarity index 100%
rename from tests/techmap/bug5574.ys
rename to tests/techmap/bug5574.ys.DISABLED