--- ../httpd-2.4.3-org/httpd-2.4.3/server/mpm/event/event.c	2012-08-04 14:30:11.000000000 -0700
+++ ../httpd-2.4.3-org/httpd-2.4.3/server/mpm/event/event.c	2012-12-15 19:33:50.927888097 -0800
@@ -2126,7 +2126,12 @@ 
     apr_threadattr_detach_set(thread_attr, 0);
 
     if (ap_thread_stacksize != 0) {
-        apr_threadattr_stacksize_set(thread_attr, ap_thread_stacksize);
+        rv = apr_threadattr_stacksize_set(thread_attr, ap_thread_stacksize);
+        if(rv != APR_SUCCESS && rv != APR_ENOTIMPL) {
+            ap_log_error(APLOG_MARK, APLOG_WARNING | APLOG_STARTUP, 0, NULL, APLOGNO(00522)
+                         "WARNING: ThreadStackSize of %ld is inappropriate, using default", 
+                         ap_thread_stacksize);
+        }
     }
 
     ts->threads = threads;
--- ../httpd-2.4.3-org/httpd-2.4.3/server/mpm/worker/worker.c	2012-07-24 05:19:08.000000000 -0700
+++ ../httpd-2.4.3-org/httpd-2.4.3/server/mpm/worker/worker.c	2012-12-15 19:33:36.135887746 -0800
@@ -1276,7 +1276,13 @@ 
     apr_threadattr_detach_set(thread_attr, 0);
 
     if (ap_thread_stacksize != 0) {
-        apr_threadattr_stacksize_set(thread_attr, ap_thread_stacksize);
+        rv = apr_threadattr_stacksize_set(thread_attr, ap_thread_stacksize);
+        if(rv != APR_SUCCESS && rv != APR_ENOTIMPL) {
+            ap_log_error(APLOG_MARK, APLOG_WARNING | APLOG_STARTUP, 0, NULL, APLOGNO(00522)
+                         "WARNING: ThreadStackSize of %ld is inappropriate, using default", 
+                         ap_thread_stacksize);
+	}
+
     }
 
     ts->threads = threads;