added note to quickstart.rst. removed os.setsid() from test_functional; see...

added note to quickstart.rst.  removed os.setsid() from test_functional; see if this works on Cooley

docs/quick/quickstart.rst

@@ -45,6 +45,11 @@ Theta (@ALCF)
     $ cp  /opt/cray/pe/mpt/7.6.0/gni/mpich-intel-abi/16.0/lib/libmpi*  ~/.conda/envs/balsam/lib/ # need to link to intel ABI
     $ export LD_LIBRARY_PATH=~/.conda/envs/balsam/lib:$LD_LIBRARY_PATH # add to .bash_profile
 
+.. note:: 
+    If running on Balsam on two systems with a shared file system, keep in mind
+    that a separate conda environment should be created for each (e.g.
+    balsam_theta and balsam_cooley)
+
 Get Balsam
 -----------
 .. code:: bash

tests/test_functional.py

@@ -59,7 +59,7 @@ def run_launcher_until(function, args=(), period=1.0, timeout=60.0):
                                       '--max-ranks-per-node', '8'],
                                      stdout=subprocess.PIPE,
                                      stderr=subprocess.STDOUT,
-                                     preexec_fn=os.setsid)
+                                     )
     success = poll_until_returns_true(function, args=args, period=period, timeout=timeout)
     stop_launcher_processes()
     return success
@@ -71,7 +71,7 @@ def run_launcher_seconds(seconds):
     launcher_proc = subprocess.Popen(launcher_path.split(),
                                      stdout=subprocess.PIPE,
                                      stderr=subprocess.STDOUT,
-                                     preexec_fn=os.setsid)
+                                     )
     try: launcher_proc.communicate(timeout=seconds+30)
     finally: stop_launcher_processes()