From 166f7f138b201513c778f4259f521ed59a24085a Mon Sep 17 00:00:00 2001
From: Augustin Degomme <degomme@idpann.imag.fr>
Date: Thu, 30 Jan 2014 17:30:11 +0100
Subject: [PATCH] add an error message in smpirun to point user to the
 stack_size parameter in case of segfault This will only work for linux,
 probably, but shouldn't break other systems

---
 src/smpi/smpirun.in | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/smpi/smpirun.in b/src/smpi/smpirun.in
index 45f830bcbb..842448ab70 100755
--- a/src/smpi/smpirun.in
+++ b/src/smpi/smpirun.in
@@ -420,6 +420,8 @@ fi
 ${EXEC} ${TRACEOPTIONS} ${SIMOPTS} ${PLATFORMTMP} ${APPLICATIONTMP}
 status=$?
 
+if [[ $status -eq 139 ]]; then echo "ERROR: A segmentation fault was triggered. A common in simgrid cause may be the use of a too small stack size for the simulated processes (default 128KB), please see contexts/stack_size parameter"; fi
+
 if [ -z "${KEEP}" ] ; then
    if [ -z "${PLATFORM}" ]; then
 	rm ${PLATFORMTMP}
-- 
2.20.1