Getting timeout errors while running the GTS tests

job status is" completed " but tests all are Queued


job #1: http://cautotest/afe/#tab_id=view_job&object_id=144059229
job #2: http://cautotest/afe/#tab_id=view_job&object_id=144059129

log info:

09/22 12:36:26.547 ERROR|             suite:1263| Exception waiting for results
Traceback (most recent call last):
  File "/usr/local/autotest/server/cros/dynamic_suite/suite.py", line 1258, in wait
    for result in waiter.wait_for_results():
  File "/usr/local/autotest/server/cros/dynamic_suite/job_status.py", line 156, in wait_for_results
    for job in self._get_finished_jobs():
  File "/usr/local/autotest/server/cros/dynamic_suite/job_status.py", line 165, in _get_finished_jobs
    return self._afe.get_jobs(id__in=list(self._job_ids), finished=True)
  File "/usr/local/autotest/server/frontend.py", line 605, in get_jobs
    jobs_data = self.run('get_jobs', **dargs)
  File "/usr/local/autotest/server/cros/dynamic_suite/frontend_wrappers.py", line 126, in run
    self, call, **dargs)
  File "/usr/local/autotest/site-packages/chromite/lib/retry_util.py", line 243, in GenericRetry
    return _run()
  File "/usr/local/autotest/site-packages/chromite/lib/retry_util.py", line 170, in _Wrapper
    self._retry_delay.Sleep(attempt)
  File "/usr/local/autotest/site-packages/chromite/lib/retry_util.py", line 66, in Sleep
    time.sleep(total)
  File "/usr/local/autotest/site-packages/chromite/lib/timeout_util.py", line 87, in kill_us
    raise TimeoutError(error_message % {'time': max_run_time})
TimeoutError: Timeout occurred- waited 1800.0 seconds.
09/22 12:36:26.551 INFO |        server_job:0214| FAIL	----	arc-gts	timestamp=1506108986	localtime=Sep 22 12:36:26	Exception waiting for results
09/22 12:36:26.551 DEBUG|     dynamic_suite:0623| Finished waiting on suite. Returning from _perform_reimage_and_run.
09/22 12:36:26.551 DEBUG|     dynamic_suite:0520| Returning from dynamic_suite.reimage_and_run.
09/22 12:36:26.552 INFO |        server_job:0857| Finished processing control file
09/22 12:36:26.554 WARNI|        subcommand:0085| parallel_simple was called with an empty arglist, did you forget to pass in a list of machines?
09/22 12:36:26.566 INFO |            client:0570| Attempting refresh to obtain initial access_token
09/22 12:36:26.662 INFO |            client:0872| Refreshing access_token
09/22 12:36:27.420 DEBUG|   logging_manager:0627| Logging subprocess finished
09/22 12:36:27.420 DEBUG|   logging_manager:0627| Logging subprocess finished