add an error message in smpirun to point user to the stack_size parameter in case...

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 45f830b..842448a 100755 (executable)
--- a/src/smpi/smpirun.in
+++ b/src/smpi/smpirun.in
@@ -420,6 +420,8 @@ fi
 ${EXEC} ${TRACEOPTIONS} ${SIMOPTS} ${PLATFORMTMP} ${APPLICATIONTMP}
 status=$?
 
 ${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 ${PLATFORMTMP}
 if [ -z "${KEEP}" ] ; then
    if [ -z "${PLATFORM}" ]; then
        rm ${PLATFORMTMP}