OSError: [Errno 12] Cannot allocate memory

[JackKelly]

13-03-30 06:00:09 INFO run_commands ## Successfully ran date -r /usr/local/logger/rsync/rsync_cron.log
13-03-30 06:00:09 INFO run_commands Attempting to run command tail /usr/local/logger/rfm_ecomanager_logger/cron.log
13-03-30 06:00:09 INFO run_commands ## Successfully ran tail /usr/local/logger/rfm_ecomanager_logger/cron.log
13-03-30 06:00:09 INFO run_commands Attempting to run command date -r /usr/local/logger/rfm_ecomanager_logger/cron.log
13-03-30 06:00:09 INFO run_commands ## Successfully ran date -r /usr/local/logger/rfm_ecomanager_logger/cron.log
13-03-30 06:00:09 INFO run_commands Attempting to run command /usr/local/logger/powerstats/powerstats/powerstats.py --data-dir /data/135 --html --cache
13-03-30 06:00:54 INFO run_commands ## Successfully ran /usr/local/logger/powerstats/powerstats/powerstats.py --data-dir /data/135 --html --cache
13-03-30 06:00:54 DEBUG send_email SMPT_SSL mail.xlk.org.uk
13-03-30 06:00:56 DEBUG send_email logging in as data@xlk.org.uk
13-03-30 06:00:56 DEBUG send_email sendmail to ['jack@jack-kelly.com']
13-03-30 06:00:59 DEBUG send_email quit
13-03-30 06:00:59 INFO send_email Successfully sent message

13-03-31 05:27:48 ERROR main 
Traceback (most recent call last):
  File "./power_babysitter.py", line 173, in main
    manager.run()
  File "/usr/local/logger/babysitter/babysitter/babysitter.py", line 558, in run
    if checker.just_changed_state():
  File "/usr/local/logger/babysitter/babysitter/babysitter.py", line 92, in just_changed_state
    state = self.state() # cache to avoid probs if this changes under us
  File "/usr/local/logger/babysitter/babysitter/babysitter.py", line 198, in state
    self.pid()
  File "/usr/local/logger/babysitter/babysitter/babysitter.py", line 154, in pid
    pid_string = subprocess.check_output(['pidof', '-x', self.name])
  File "/usr/lib/python2.7/subprocess.py", line 537, in check_output
    process = Popen(stdout=PIPE, *popenargs, **kwargs)
  File "/usr/lib/python2.7/subprocess.py", line 679, in __init__
    errread, errwrite)
  File "/usr/lib/python2.7/subprocess.py", line 1153, in _execute_child
    self.pid = os.fork()
OSError: [Errno 12] Cannot allocate memory
13-03-31 05:27:50 INFO main EXCEPTION: [Errno 12] Cannot allocate memory
13-03-31 05:27:50 INFO shutdown Sending shutdown email...
13-03-31 05:27:50 INFO shutdown Shutdown reason: EXCEPTION: [Errno 12] Cannot allocate memory