diff --git a/ansible_mitogen/logging.py b/ansible_mitogen/logging.py
index ce4ea127..76b42c7b 100644
--- a/ansible_mitogen/logging.py
+++ b/ansible_mitogen/logging.py
@@ -39,14 +39,20 @@ class Handler(logging.Handler):
     """
     Use Mitogen's log format, but send the result to a Display method.
     """
-    def __init__(self, method):
+    def __init__(self, display, normal_method):
         super(Handler, self).__init__()
         self.formatter = mitogen.utils.log_get_formatter(usec=True)
-        self.method = method
+        self.display = display
+        self.normal_method = normal_method
 
     def emit(self, record):
-        msg = self.format(record)
-        self.method('[pid %d] %s' % (os.getpid(), msg))
+        s = '[pid %d] %s' % (os.getpid(), self.format(record))
+        if record.levelno >= logging.ERROR:
+            self.display.error(s, wrap_text=False)
+        elif record.levelno >= logging.WARNING:
+            self.display.warning(s, formatted=True)
+        else:
+            self.normal_method(s)
 
 
 def find_display():
@@ -69,9 +75,9 @@ def setup():
     """
     display = find_display()
 
-    logging.getLogger('ansible_mitogen').handlers = [Handler(display.vvv)]
-    mitogen.core.LOG.handlers = [Handler(display.vvv)]
-    mitogen.core.IOLOG.handlers = [Handler(display.vvvv)]
+    logging.getLogger('ansible_mitogen').handlers = [Handler(display, display.vvv)]
+    mitogen.core.LOG.handlers = [Handler(display, display.vvv)]
+    mitogen.core.IOLOG.handlers = [Handler(display, display.vvvv)]
     mitogen.core.IOLOG.propagate = False
 
     if display.verbosity > 2:
diff --git a/ansible_mitogen/planner.py b/ansible_mitogen/planner.py
index a613cde3..8f4cf77b 100644
--- a/ansible_mitogen/planner.py
+++ b/ansible_mitogen/planner.py
@@ -38,7 +38,6 @@ from __future__ import absolute_import
 import json
 import logging
 import os
-import random
 
 from ansible.executor import module_common
 import ansible.errors
@@ -116,8 +115,6 @@ class Invocation(object):
         self.env = env
         #: Boolean, if :py:data:`True`, launch the module asynchronously.
         self.wrap_async = wrap_async
-        #: String Job ID.
-        self.job_id = self._make_job_id()
 
         #: Initially ``None``, but set by :func:`invoke`. The path on the
         #: master to the module's implementation file.
@@ -126,9 +123,6 @@ class Invocation(object):
         #: binary contents of the module.
         self.module_source = None
 
-    def _make_job_id(self):
-        return '%016x' % random.randint(0, 2**64)
-
     def __repr__(self):
         return 'Invocation(module_name=%s)' % (self.module_name,)
 
@@ -167,9 +161,10 @@ class Planner(object):
                 # named by `runner_name`.
             }
         """
-        kwargs.setdefault('job_id', invocation.job_id)
+        kwargs.setdefault('emulate_tty', True)
         kwargs.setdefault('service_context', invocation.connection.parent)
         kwargs.setdefault('should_fork', self.get_should_fork(invocation))
+        kwargs.setdefault('wrap_async', invocation.wrap_async)
         return kwargs
 
 
@@ -349,7 +344,10 @@ def get_module_data(name):
     return path, source
 
 
-def _do_invoke(invocation):
+def invoke(invocation):
+    """
+    Find a suitable Planner that knows how to run `invocation`.
+    """
     (invocation.module_path,
      invocation.module_source) = get_module_data(invocation.module_name)
 
@@ -358,52 +356,12 @@ def _do_invoke(invocation):
         if planner.detect(invocation):
             LOG.debug('%r accepted %r (filename %r)', planner,
                       invocation.module_name, invocation.module_path)
-            break
+            return invocation.action._postprocess_response(
+                invocation.connection.call(
+                    ansible_mitogen.target.run_module,
+                    planner.plan(invocation),
+                )
+            )
         LOG.debug('%r rejected %r', planner, invocation.module_name)
-    else:
-        raise ansible.errors.AnsibleError(NO_METHOD_MSG + repr(invocation))
-
-    return invocation.connection.call_async(
-        ansible_mitogen.target.run_module,
-        planner.plan(invocation),
-    )
-
-
-def _invoke_async(invocation):
-    _do_invoke(invocation)
-    return {
-        'stdout': json.dumps({
-            # modules/utilities/logic/async_wrapper.py::_run_module().
-            'changed': True,
-            'started': 1,
-            'finished': 0,
-            'ansible_job_id': invocation.job_id,
-        })
-    }
-
-
-def _invoke_sync(invocation):
-    result_recv = mitogen.core.Receiver(invocation.connection.router)
-    mitogen.service.call_async(
-        context=invocation.connection.parent,
-        handle=ansible_mitogen.services.JobResultService.handle,
-        method='listen',
-        kwargs={
-            'job_id': invocation.job_id,
-            'sender': result_recv.to_sender(),
-        }
-    )
-    _do_invoke(invocation)
-    return result_recv.get().unpickle()
-
-
-def invoke(invocation):
-    """
-    Find a suitable Planner that knows how to run `invocation`.
-    """
-    if invocation.wrap_async:
-        js = _invoke_async(invocation)
-    else:
-        js = _invoke_sync(invocation)
 
-    return invocation.action._postprocess_response(js)
+    raise ansible.errors.AnsibleError(NO_METHOD_MSG + repr(invocation))
diff --git a/ansible_mitogen/plugins/actions/mitogen_async_status.py b/ansible_mitogen/plugins/actions/mitogen_async_status.py
deleted file mode 100644
index 611718b2..00000000
--- a/ansible_mitogen/plugins/actions/mitogen_async_status.py
+++ /dev/null
@@ -1,78 +0,0 @@
-# Copyright 2017, David Wilson
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are met:
-#
-# 1. Redistributions of source code must retain the above copyright notice,
-# this list of conditions and the following disclaimer.
-#
-# 2. Redistributions in binary form must reproduce the above copyright notice,
-# this list of conditions and the following disclaimer in the documentation
-# and/or other materials provided with the distribution.
-#
-# 3. Neither the name of the copyright holder nor the names of its contributors
-# may be used to endorse or promote products derived from this software without
-# specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-# POSSIBILITY OF SUCH DAMAGE.
-
-import ansible.plugins.action
-import mitogen.core
-import mitogen.utils
-import ansible_mitogen.services
-import ansible_mitogen.target
-
-
-class ActionModule(ansible.plugins.action.ActionBase):
-    def _get_async_result(self, job_id):
-        self._connection._connect()
-        return mitogen.service.call(
-            context=self._connection.parent,
-            handle=ansible_mitogen.services.JobResultService.handle,
-            method='get',
-            kwargs={
-                'job_id': job_id,
-            }
-        )
-
-    def _on_result_pending(self, job_id):
-        return {
-            '_ansible_parsed': True,
-            'ansible_job_id': job_id,
-            'started': 1,
-            'failed': 0,
-            'finished': 0,
-            'msg': '',
-        }
-
-    def _on_result_available(self, job_id, result):
-        dct = self._parse_returned_data(result)
-        dct['ansible_job_id'] = job_id
-        dct['started'] = 1
-        dct['finished'] = 1
-
-        # Cutpasted from the action.py.
-        if 'stdout' in dct and 'stdout_lines' not in dct:
-            dct['stdout_lines'] = (dct['stdout'] or u'').splitlines()
-        if 'stderr' in dct and 'stderr_lines' not in dct:
-            dct['stderr_lines'] = (dct['stderr'] or u'').splitlines()
-        return dct
-
-    def run(self, tmp=None, task_vars=None):
-        job_id = mitogen.utils.cast(self._task.args['jid'])
-
-        result = self._get_async_result(job_id)
-        if result is None:
-            return self._on_result_pending(job_id)
-        else:
-            return self._on_result_available(job_id, result)
diff --git a/ansible_mitogen/process.py b/ansible_mitogen/process.py
index 0cb0b987..8febea90 100644
--- a/ansible_mitogen/process.py
+++ b/ansible_mitogen/process.py
@@ -155,7 +155,6 @@ class MuxProcess(object):
             services=[
                 ansible_mitogen.services.ContextService(self.router),
                 ansible_mitogen.services.FileService(self.router),
-                ansible_mitogen.services.JobResultService(self.router),
             ],
             size=int(os.environ.get('MITOGEN_POOL_SIZE', '16')),
         )
diff --git a/ansible_mitogen/runner.py b/ansible_mitogen/runner.py
index 28f8b3cd..16a7d777 100644
--- a/ansible_mitogen/runner.py
+++ b/ansible_mitogen/runner.py
@@ -83,17 +83,17 @@ class Runner(object):
 
     Subclasses may override `_run`()` and extend `setup()` and `revert()`.
     """
-    def __init__(self, module, job_id, remote_tmp, service_context,
-                 raw_params=None, args=None, env=None):
+    def __init__(self, module, remote_tmp, service_context,
+                 emulate_tty=None, raw_params=None, args=None, env=None):
         if args is None:
             args = {}
         if raw_params is not None:
             args['_raw_params'] = raw_params
 
         self.module = module
-        self.job_id = job_id
         self.remote_tmp = os.path.expanduser(remote_tmp)
         self.service_context = service_context
+        self.emulate_tty = emulate_tty
         self.raw_params = raw_params
         self.args = args
         self.env = env
@@ -135,17 +135,6 @@ class Runner(object):
         """
         raise NotImplementedError()
 
-    def _send_result(self, dct):
-        mitogen.service.call(
-            context=self.service_context,
-            handle=502,
-            method='push',
-            kwargs={
-                'job_id': self.job_id,
-                'result': dct
-            }
-        )
-
     def run(self):
         """
         Set up the process environment in preparation for running an Ansible
@@ -158,10 +147,7 @@ class Runner(object):
         """
         self.setup()
         try:
-            try:
-                self._send_result(self._run())
-            except Exception as e:
-                self._send_result(mitogen.core.CallError(e))
+            return self._run()
         finally:
             self.revert()
 
@@ -260,7 +246,7 @@ class ProgramRunner(Runner):
         try:
             rc, stdout, stderr = ansible_mitogen.target.exec_args(
                 args=self._get_program_args(),
-                emulate_tty=True,
+                emulate_tty=self.emulate_tty,
             )
         except Exception, e:
             LOG.exception('While running %s', self._get_program_args())
diff --git a/ansible_mitogen/services.py b/ansible_mitogen/services.py
index 6e7d4b5a..6bfede0b 100644
--- a/ansible_mitogen/services.py
+++ b/ansible_mitogen/services.py
@@ -245,6 +245,9 @@ class ContextService(mitogen.service.Service):
         # We don't need to wait for the result of this. Ideally we'd check its
         # return value somewhere, but logs will catch a failure anyway.
         context.call_async(ansible_mitogen.target.start_fork_parent)
+        if os.environ.get('MITOGEN_DUMP_THREAD_STACKS'):
+            from mitogen import debug
+            context.call(debug.dump_to_logger)
         self._key_by_context[context] = key
         self._refs_by_context[context] = 0
         return {
@@ -366,93 +369,3 @@ class FileService(mitogen.service.Service):
 
         LOG.debug('Serving %r', path)
         return self._paths[path]
-
-
-class JobResultService(mitogen.service.Service):
-    """
-    Receive the result of a task from a child and forward it to interested
-    listeners. If no listener exists, store the result until it is requested.
-
-    Storing results in an intermediary service allows:
-
-    * the lifetime of the worker to be decoupled from the lifetime of the job,
-    * for new and unrelated workers to request the job result after the original
-      worker that spawned it has exitted,
-    * for synchronous and asynchronous jobs to be treated identically,
-    * for latency-free polling and waiting on job results, and
-    * for Ansible job IDs to be be used to refer to a job in preference to
-      Mitogen-internal identifiers such as Sender and Context.
-
-    Results are keyed by job ID.
-    """
-    handle = 502
-    max_message_size = 1048576 * 64
-
-    def __init__(self, router):
-        super(JobResultService, self).__init__(router)
-        self._lock = threading.Lock()
-        self._result_by_job_id = {}
-        self._sender_by_job_id = {}
-
-    @mitogen.service.expose(mitogen.service.AllowParents())
-    @mitogen.service.arg_spec({
-        'job_id': str,
-        'sender': mitogen.core.Sender,
-    })
-    def listen(self, job_id, sender):
-        """
-        Register to receive the result of a job when it becomes available.
-
-        :param str job_id:
-            Job ID to listen for.
-        :param mitogen.core.Sender sender:
-            Sender on which to deliver the job result.
-        """
-        LOG.debug('%r.listen(job_id=%r, sender=%r)', self, job_id, sender)
-        with self._lock:
-            if job_id in self._sender_by_job_id:
-                raise Error('Listener already exists for job: %s' % (job_id,))
-            self._sender_by_job_id[job_id] = sender
-
-    @mitogen.service.expose(mitogen.service.AllowParents())
-    @mitogen.service.arg_spec({
-        'job_id': basestring,
-    })
-    def get(self, job_id):
-        """
-        Return a job's result if it is available, otherwise return immediately.
-        The job result is forgotten once it has been returned by this method.
-
-        :param str job_id:
-            Job ID to return.
-        :returns:
-            Job result dictionary, or :data:`None`.
-        """
-        LOG.debug('%r.get(job_id=%r)', self, job_id)
-        with self._lock:
-            return self._result_by_job_id.pop(job_id, None)
-
-    @mitogen.service.expose(mitogen.service.AllowAny())
-    @mitogen.service.arg_spec({
-        'job_id': basestring,
-        'result': (mitogen.core.CallError, dict)
-    })
-    def push(self, job_id, result):
-        """
-        Deliver a job's result from a child context, notifying any listener
-        registred via :meth:`listen` of the result.
-
-        :param str job_id:
-            Job ID whose result is being pushed.
-        :param dict result:
-            Job result dictionary.
-        """
-        LOG.debug('%r.push(job_id=%r, result=%r)', self, job_id, result)
-        with self._lock:
-            if job_id in self._result_by_job_id:
-                raise Error('Result already exists for job: %s' % (job_id,))
-            sender = self._sender_by_job_id.pop(job_id, None)
-            if sender:
-                sender.send(result)
-            else:
-                self._result_by_job_id[job_id] = result
diff --git a/ansible_mitogen/strategy.py b/ansible_mitogen/strategy.py
index bc329842..430ea74b 100644
--- a/ansible_mitogen/strategy.py
+++ b/ansible_mitogen/strategy.py
@@ -48,19 +48,9 @@ def wrap_action_loader__get(name, *args, **kwargs):
     helper methods inherited from ActionBase with implementations that avoid
     the use of shell fragments wherever possible.
 
-    Additionally catch attempts to instantiate the "normal" action with a task
-    argument whose action is "async_status", and redirect it to a special
-    implementation that fetches the task result via RPC.
-
     This is used instead of static subclassing as it generalizes to third party
     action modules outside the Ansible tree.
     """
-    # Necessary since async_status execution strategy is hard-wired in
-    # executor/task_executor.py::_poll_async_result().
-    if ( name == 'normal' and 'task' in kwargs and
-         kwargs['task'].action == 'async_status'):
-        name = 'mitogen_async_status'
-
     klass = action_loader__get(name, class_only=True)
     if klass:
         wrapped_name = 'MitogenActionModule_' + name
@@ -172,7 +162,6 @@ class StrategyMixin(object):
         """
         base_dir = os.path.join(os.path.dirname(__file__), 'plugins')
         connection_loader.add_directory(os.path.join(base_dir, 'connection'))
-        action_loader.add_directory(os.path.join(base_dir, 'actions'))
 
     def run(self, iterator, play_context, result=0):
         """
diff --git a/ansible_mitogen/target.py b/ansible_mitogen/target.py
index 20086cec..ec05ab55 100644
--- a/ansible_mitogen/target.py
+++ b/ansible_mitogen/target.py
@@ -42,9 +42,10 @@ import re
 import stat
 import subprocess
 import tempfile
-import threading
+import traceback
 import zlib
 
+import ansible.module_utils.json_utils
 import ansible_mitogen.runner
 import ansible_mitogen.services
 import mitogen.core
@@ -78,6 +79,7 @@ def get_file(context, path):
         Bytestring file data.
     """
     if path not in _file_cache:
+        LOG.debug('target.get_file(): fetching %r from %r', path, context)
         _file_cache[path] = zlib.decompress(
             mitogen.service.call(
                 context=context,
@@ -88,6 +90,7 @@ def get_file(context, path):
                 }
             )
         )
+        LOG.debug('target.get_file(): fetched %r from %r', path, context)
 
     return _file_cache[path]
 
@@ -110,11 +113,26 @@ def start_fork_parent(econtext):
 
 
 @mitogen.core.takes_econtext
-def start_fork_child(kwargs, econtext):
+def start_fork_child(wrap_async, kwargs, econtext):
     mitogen.parent.upgrade_router(econtext)
     context = econtext.router.fork()
-    kwargs['shutdown_on_exit'] = True
-    context.call_async(run_module, kwargs)
+    if not wrap_async:
+        try:
+            return context.call(run_module, kwargs)
+        finally:
+            context.shutdown()
+
+    job_id = '%016x' % random.randint(0, 2**64)
+    context.call_async(run_module_async, job_id, kwargs)
+    return {
+        'stdout': json.dumps({
+            # modules/utilities/logic/async_wrapper.py::_run_module().
+            'changed': True,
+            'started': 1,
+            'finished': 0,
+            'ansible_job_id': job_id,
+        })
+    }
 
 
 @mitogen.core.takes_econtext
@@ -126,16 +144,91 @@ def run_module(kwargs, econtext):
     from reading sys.stdin.
     """
     should_fork = kwargs.pop('should_fork', False)
-    shutdown_on_exit = kwargs.pop('shutdown_on_exit', False)
+    wrap_async = kwargs.pop('wrap_async', False)
     if should_fork:
-        _fork_parent.call(start_fork_child, kwargs)
-        return
+        return _fork_parent.call(start_fork_child, wrap_async, kwargs)
 
     runner_name = kwargs.pop('runner_name')
     klass = getattr(ansible_mitogen.runner, runner_name)
     impl = klass(**kwargs)
-    impl.run()
-    if shutdown_on_exit:
+    return impl.run()
+
+
+def _get_async_dir():
+    return os.path.expanduser(
+        os.environ.get('ANSIBLE_ASYNC_DIR', '~/.ansible_async')
+    )
+
+
+def _write_job_status(job_id, dct):
+    """
+    Update an async job status file.
+    """
+    LOG.info('_write_job_status(%r, %r)', job_id, dct)
+    dct.setdefault('ansible_job_id', job_id)
+    dct.setdefault('data', '')
+
+    async_dir = _get_async_dir()
+    if not os.path.exists(async_dir):
+        os.makedirs(async_dir)
+
+    path = os.path.join(async_dir, job_id)
+    with open(path + '.tmp', 'w') as fp:
+        fp.write(json.dumps(dct))
+    os.rename(path + '.tmp', path)
+
+
+def _run_module_async(job_id, kwargs, econtext):
+    """
+    Body on run_module_async().
+
+    1. Immediately updates the status file to mark the job as started.
+    2. Installs a timer/signal handler to implement the time limit.
+    3. Runs as with run_module(), writing the result to the status file.
+    """
+    _write_job_status(job_id, {
+        'started': 1,
+        'finished': 0
+    })
+
+    kwargs['emulate_tty'] = False
+    dct = run_module(kwargs, econtext)
+    if mitogen.core.PY3:
+        for key in 'stdout', 'stderr':
+            dct[key] = dct[key].decode('utf-8', 'surrogateescape')
+
+    try:
+        filtered, warnings = (
+            ansible.module_utils.json_utils.
+            _filter_non_json_lines(dct['stdout'])
+        )
+        result = json.loads(filtered)
+        result.setdefault('warnings', []).extend(warnings)
+        result['stderr'] = dct['stderr']
+        _write_job_status(job_id, result)
+    except Exception:
+        _write_job_status(job_id, {
+            "failed": 1,
+            "msg": traceback.format_exc(),
+            "data": dct['stdout'],  # temporary notice only
+            "stderr": dct['stderr']
+        })
+
+
+@mitogen.core.takes_econtext
+def run_module_async(job_id, kwargs, econtext):
+    """
+    Since run_module_async() is invoked with .call_async(), with nothing to
+    read the result from the corresponding Receiver, wrap the body in an
+    exception logger, and wrap that in something that tears down the context on
+    completion.
+    """
+    try:
+        try:
+            _run_module_async(job_id, kwargs, econtext)
+        except Exception:
+            LOG.exception('_run_module_async crashed')
+    finally:
         econtext.broker.shutdown()
 
 
diff --git a/mitogen/core.py b/mitogen/core.py
index 6bda7f84..20f52554 100644
--- a/mitogen/core.py
+++ b/mitogen/core.py
@@ -507,6 +507,7 @@ class Importer(object):
         self._context = context
         self._present = {'mitogen': [
             'compat',
+            'debug',
             'fakessh',
             'fork',
             'master',
diff --git a/mitogen/debug.py b/mitogen/debug.py
index 8cb1a367..e1122192 100644
--- a/mitogen/debug.py
+++ b/mitogen/debug.py
@@ -31,6 +31,7 @@ Basic signal handler for dumping thread stacks.
 """
 
 import difflib
+import logging
 import os
 import signal
 import sys
@@ -39,6 +40,7 @@ import time
 import traceback
 
 
+LOG = logging.getLogger(__name__)
 _last = None
 
 
@@ -56,7 +58,7 @@ def format_stacks():
             threadId,
             stack,
         )]
-        stack = stack.f_back.f_back
+        #stack = stack.f_back.f_back
 
         for filename, lineno, name, line in traceback.extract_stack(stack):
             l += [
@@ -74,15 +76,13 @@ def format_stacks():
     return '\n'.join(l)
 
 
-def _handler(*_):
+def get_snapshot():
     global _last
 
     s = format_stacks()
-    fp = open('/dev/tty', 'w', 1)
-    fp.write(s)
-
+    snap = s
     if _last:
-        fp.write('\n')
+        snap += '\n'
         diff = list(difflib.unified_diff(
             a=_last.splitlines(),
             b=s.splitlines(),
@@ -91,25 +91,30 @@ def _handler(*_):
         ))
 
         if diff:
-            fp.write('\n'.join(diff) + '\n')
+            snap += '\n'.join(diff) + '\n'
         else:
-            fp.write('(no change since last time)\n')
+            snap += '(no change since last time)\n'
     _last = s
+    return snap
+
+
+def _handler(*_):
+    fp = open('/dev/tty', 'w', 1)
+    fp.write(get_snapshot())
+    fp.close()
 
 
 def install_handler():
     signal.signal(signal.SIGUSR2, _handler)
 
 
-def _thread_main():
+def _logging_main():
     while True:
-        time.sleep(7)
-        l = format_stacks()
-        open('/tmp/stack.%s.log' % (os.getpid(),), 'wb', 65535).write(l)
-        break
+        time.sleep(5)
+        LOG.info('PERIODIC THREAD DUMP\n\n%s', get_snapshot())
 
 
-def dump_periodically():
-    th = threading.Thread(target=main)
+def dump_to_logger():
+    th = threading.Thread(target=_logging_main)
     th.setDaemon(True)
     th.start()
diff --git a/mitogen/service.py b/mitogen/service.py
index 23848b24..78b1213c 100644
--- a/mitogen/service.py
+++ b/mitogen/service.py
@@ -314,7 +314,7 @@ class Pool(object):
                 msg = self._select.get()
             except (mitogen.core.ChannelError, mitogen.core.LatchError):
                 e = sys.exc_info()[1]
-                LOG.error('%r: channel or latch closed, exitting: %s', self, e)
+                LOG.info('%r: channel or latch closed, exitting: %s', self, e)
                 return
 
             service = msg.receiver.service
@@ -341,6 +341,8 @@ class Pool(object):
 
 
 def call_async(context, handle, method, kwargs):
+    LOG.debug('service.call_async(%r, %r, %r, %r)',
+              context, handle, method, kwargs)
     pair = (method, kwargs)
     msg = mitogen.core.Message.pickled(pair, handle=handle)
     return context.send_async(msg)
diff --git a/tests/ansible/integration/all.yml b/tests/ansible/integration/all.yml
index 4dd2c596..15471c75 100644
--- a/tests/ansible/integration/all.yml
+++ b/tests/ansible/integration/all.yml
@@ -4,6 +4,7 @@
 #
 
 - import_playbook: action/all.yml
+- import_playbook: async/all.yml
 - import_playbook: become/all.yml
 - import_playbook: connection_loader/all.yml
 - import_playbook: context_service/all.yml
diff --git a/tests/ansible/integration/async/all.yml b/tests/ansible/integration/async/all.yml
new file mode 100644
index 00000000..b295b526
--- /dev/null
+++ b/tests/ansible/integration/async/all.yml
@@ -0,0 +1,5 @@
+- import_playbook: result_binary_producing_json.yml
+- import_playbook: result_binary_producing_junk.yml
+- import_playbook: result_shell_echo_hi.yml
+- import_playbook: runner_one_job.yml
+- import_playbook: runner_two_simultaneous_jobs.yml
diff --git a/tests/ansible/integration/async/result_binary_producing_json.yml b/tests/ansible/integration/async/result_binary_producing_json.yml
new file mode 100644
index 00000000..71bf4351
--- /dev/null
+++ b/tests/ansible/integration/async/result_binary_producing_json.yml
@@ -0,0 +1,30 @@
+
+- name: integration/async/result_binary_producing_json.yml
+  gather_facts: true
+  hosts: all
+  any_errors_fatal: true
+  tasks:
+
+  - custom_binary_producing_json:
+    async: 100
+    poll: 0
+    register: job
+
+  - shell: sleep 1
+
+  - slurp:
+      src: "{{ansible_user_dir}}/.ansible_async/{{job.ansible_job_id}}"
+    register: result
+
+  - debug: msg={{async_out}}
+    vars:
+      async_out: "{{result.content|b64decode|from_json}}"
+
+  - assert:
+      that:
+        - async_out.changed == True
+        - async_out.failed == False
+        - async_out.msg == "Hello, world."
+        - 'async_out.stderr == "binary_producing_json: oh noes\n"'
+    vars:
+      async_out: "{{result.content|b64decode|from_json}}"
diff --git a/tests/ansible/integration/async/result_binary_producing_junk.yml b/tests/ansible/integration/async/result_binary_producing_junk.yml
new file mode 100644
index 00000000..11de5d31
--- /dev/null
+++ b/tests/ansible/integration/async/result_binary_producing_junk.yml
@@ -0,0 +1,32 @@
+
+- name: integration/async/result_binary_producing_junk.yml
+  gather_facts: true
+  hosts: all
+  any_errors_fatal: true
+  tasks:
+
+  - custom_binary_producing_junk:
+    async: 100
+    poll: 0
+    register: job
+
+  - shell: sleep 1
+
+  - slurp:
+      src: "{{ansible_user_dir}}/.ansible_async/{{job.ansible_job_id}}"
+    register: result
+
+  - debug: msg={{async_out}}
+    vars:
+      async_out: "{{result.content|b64decode|from_json}}"
+
+  - assert:
+      that:
+        - async_out.ansible_job_id == job.ansible_job_id
+        - async_out.data == "Hello, world.\n"
+        - async_out.failed == 1
+        - async_out.msg.startswith("Traceback")
+        - '"ValueError: No start of json char found\n" in async_out.msg'
+        - 'async_out.stderr == "binary_producing_junk: oh noes\n"'
+    vars:
+      async_out: "{{result.content|b64decode|from_json}}"
diff --git a/tests/ansible/integration/async/result_shell_echo_hi.yml b/tests/ansible/integration/async/result_shell_echo_hi.yml
new file mode 100644
index 00000000..ce439743
--- /dev/null
+++ b/tests/ansible/integration/async/result_shell_echo_hi.yml
@@ -0,0 +1,42 @@
+
+- name: integration/async/result_shell_echo_hi.yml
+  gather_facts: true
+  hosts: all
+  any_errors_fatal: true
+  tasks:
+
+  - shell: echo hi
+    async: 100
+    poll: 0
+    register: job
+
+  - shell: sleep 1
+
+  - slurp:
+      src: "{{ansible_user_dir}}/.ansible_async/{{job.ansible_job_id}}"
+    register: result
+
+  - debug: msg={{async_out}}
+    vars:
+      async_out: "{{result.content|b64decode|from_json}}"
+
+  - assert:
+      that:
+        - async_out.changed == True
+        - async_out.cmd == "echo hi"
+        - 'async_out.delta.startswith("0:00:00")'
+        - async_out.end.startswith("20")
+        - async_out.invocation.module_args._raw_params == "echo hi"
+        - async_out.invocation.module_args._uses_shell == True
+        - async_out.invocation.module_args.chdir == None
+        - async_out.invocation.module_args.creates == None
+        - async_out.invocation.module_args.executable == None
+        - async_out.invocation.module_args.removes == None
+        - async_out.invocation.module_args.stdin == None
+        - async_out.invocation.module_args.warn == True
+        - async_out.rc == 0
+        - async_out.start.startswith("20")
+        - async_out.stderr == ""
+        - async_out.stdout == "hi"
+    vars:
+      async_out: "{{result.content|b64decode|from_json}}"
diff --git a/tests/ansible/integration/runner/async_job_timeout.yml b/tests/ansible/integration/async/runner_job_timeout.yml
similarity index 96%
rename from tests/ansible/integration/runner/async_job_timeout.yml
rename to tests/ansible/integration/async/runner_job_timeout.yml
index 868b676d..b15fc2dd 100644
--- a/tests/ansible/integration/runner/async_job_timeout.yml
+++ b/tests/ansible/integration/async/runner_job_timeout.yml
@@ -1,6 +1,6 @@
 # Verify 'async: <timeout>' functions as desired.
 
-- name: integration/runner/async_job_timeout.yml
+- name: integration/async/runner_job_timeout.yml
   hosts: all
   any_errors_fatal: true
   tasks:
diff --git a/tests/ansible/integration/runner/async_one_job.yml b/tests/ansible/integration/async/runner_one_job.yml
similarity index 98%
rename from tests/ansible/integration/runner/async_one_job.yml
rename to tests/ansible/integration/async/runner_one_job.yml
index 6933f82b..846b173c 100644
--- a/tests/ansible/integration/runner/async_one_job.yml
+++ b/tests/ansible/integration/async/runner_one_job.yml
@@ -1,7 +1,7 @@
 # Verify behaviour of a single asynchronous task, and presence of all output
 # fields.
 
-- name: integration/runner/async_one_job.yml
+- name: integration/async/runner_one_job.yml
   hosts: all
   any_errors_fatal: true
   tasks:
diff --git a/tests/ansible/integration/runner/async_two_simultaneous_jobs.yml b/tests/ansible/integration/async/runner_two_simultaneous_jobs.yml
similarity index 95%
rename from tests/ansible/integration/runner/async_two_simultaneous_jobs.yml
rename to tests/ansible/integration/async/runner_two_simultaneous_jobs.yml
index 679608c5..5c20fc5d 100644
--- a/tests/ansible/integration/runner/async_two_simultaneous_jobs.yml
+++ b/tests/ansible/integration/async/runner_two_simultaneous_jobs.yml
@@ -1,5 +1,5 @@
 
-- name: integration/runner/async_two_simultaneous_jobs.yml
+- name: integration/async/runner_two_simultaneous_jobs.yml
   hosts: all
   any_errors_fatal: true
   tasks:
diff --git a/tests/ansible/integration/runner/all.yml b/tests/ansible/integration/runner/all.yml
index 9d815518..b65b1a53 100644
--- a/tests/ansible/integration/runner/all.yml
+++ b/tests/ansible/integration/runner/all.yml
@@ -1,6 +1,3 @@
-- import_playbook: async_job_timeout.yml
-- import_playbook: async_one_job.yml
-- import_playbook: async_two_simultaneous_jobs.yml
 - import_playbook: builtin_command_module.yml
 - import_playbook: custom_bash_old_style_module.yml
 - import_playbook: custom_bash_want_json_module.yml