Index: /issm/trunk-jpl/src/m/solve/waitonlock.py
===================================================================
--- /issm/trunk-jpl/src/m/solve/waitonlock.py	(revision 26344)
+++ /issm/trunk-jpl/src/m/solve/waitonlock.py	(revision 26345)
@@ -73,6 +73,8 @@
             subproc = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
             outs, errs = subproc.communicate() # NOTE: Need to consume output before checking return code
-            if errs != '':
-                raise Exception("waitonlock: check for existence of files failed: {}".format(errs))
+            # TODO: Debug the following check under Linux (exits after first iteration with errs = "b")
+            #
+            # if errs != '':
+            #     raise Exception("waitonlock: check for existence of files failed: {}".format(errs))
             ispresent = not subproc.returncode
             if ispresent: