From acb8c1a22596d26af0fe2da89ffd36a49561f242 Mon Sep 17 00:00:00 2001
From: Thomas Applencourt <TApplencourt@users.noreply.github.com>
Date: Fri, 12 Feb 2016 13:48:43 +0100
Subject: [PATCH] Update README.md

---
 README.md | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/README.md b/README.md
index ce90ee61..e313f444 100644
--- a/README.md
+++ b/README.md
@@ -148,3 +148,20 @@ You have two or more ezfio configuration files for the same variable. Check file
 
     - rm $QP_ROOT/install/EZFIO/config/*
     - ninja 
+    
+
+### Error: Seg Fault (139)
+
+```
+Segmentation fault (core dumped)
+Program exited with code 139.
+```
+
+#### Why ?
+
+It's caused when we call the DGEM routine of LAPACK. 
+
+##### Fix
+
+Set `ulimit -s unlimited`, before runing `qp_run`. It seem to fix the problem.
+