From: Augustin Degomme <degomme@idpann.imag.fr>
Date: Thu, 30 Jan 2014 16:30:11 +0000 (+0100)
Subject: add an error message in smpirun to point user to the stack_size parameter in case... 
X-Git-Tag: v3_11_beta~105
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/166f7f138b201513c778f4259f521ed59a24085a?ds=sidebyside

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
---

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}