[Mailman-Users] flock problems

[Brad Crittenden]

hello:

occasionally i get flock problems that manifest themselves as follows:

   ----- Transcript of session follows -----
Traceback (innermost last):
  File "/home/mailman/scripts/post", line 45, in ?
    mlist = MailList.MailList(sys.argv[1])
  File "/home/mailman/Mailman/MailList.py", line 60, in __init__
    self.Load()
  File "/home/mailman/Mailman/MailList.py", line 767, in Load
    self.Lock()
  File "/home/mailman/Mailman/MailList.py", line 1340, in Lock
    self._lock_file.lock('w|', 1)
  File "/usr/lib/python1.5/posixfile.py", line 192, in lock
    flock = fcntl.fcntl(self._file_.fileno(), cmd, flock)
IOError: [Errno 37] No locks available
554 "|/home/mailman/mail/wrapper post test"... unknown mailer error 1

-----------

the mail server is running on a RedHat 6.0 box NFS mounting home
directories, including /home/mailman where the locks live.  the web server
is running on a solaris box which exports the home directories.

this problem showed up about six weeks ago and then just as mysteriously
went away.  it worked flawlessly from the mail server side and the web side
until this morning.

has anyone seen this before?  suggestions?

thanks,

brad