diff --git a/tests/regress/osx_qemu_thread_create_crash.py b/tests/regress/osx_qemu_thread_create_crash.py
new file mode 100755
index 00000000..b34b319b
--- /dev/null
+++ b/tests/regress/osx_qemu_thread_create_crash.py
@@ -0,0 +1,20 @@
+#!/usr/bin/env python
+
+import platform
+import resource
+
+from unicorn import *
+
+import regress
+
+# OS X: OK with 2047 iterations.
+# OS X: Crashes at 2048:th iteration ("qemu: qemu_thread_create: Resource temporarily unavailable").
+# Linux: No crashes observed.
+class ThreadCreateCrash(regress.RegressTest):
+    def test(self):
+        for i in xrange(2048):
+            Uc(UC_ARCH_X86, UC_MODE_64)
+        self.assertTrue(True, "If not reached, then we have a crashing bug.")
+
+if __name__ == '__main__':
+    regress.main()