[Mailman-Users] Mailman/FreeBSD lockup

[Dan Mick]

As always, it would be *really* interesting to know just what those
processes are doing; apparently the FreeBSD command is 'ktrace'.
Is sendmail refusing to read more data, or is mailman refusing to
send it, or what?

> Help!,
> My (brand new) Mailman installation locks up when posting messages about 
> 50Kb or larger. (FreeBSD version 4.0, Mailman version 2.0beta5 installed 
> from the FreeBSD ports, Python 1.5.2 from the FreeBSD ports, Sendmail 8.9.3)
> 
> To isolate the problem, I created a list with only one subscriber on the 
> same host as the mailman installation.  When a 80Kb plaintext message is 
> posted to the list, qrunner stays around until it times out, without 
> completing it's session with sendmail.  The partially queued message is 
> consistently 49152 bytes long.  Shorter messages are delivered without any 
> problems.  While it's stuck, the following processes are hanging around:
> 
> mailman 39004  /bin/sh -c /usr/local/bin/python -S /usr/local/mailman/cron/...
> mailman 39005  /usr/local/bin/python -S /usr/local/mailman/cron/qrunner
> root    39007  sendmail: server localhost [127.0.0.1] child wait (sendmail)
> root    39008  sendmail: TAA39008 localhost [127.0.0.1]: data (sendmail)
> 
> Is there a timeout setting that should be increased?
> 
> (This doesn't seem to be related to the problem mentioned in the mailman 
> README.BSD file, where they mention a known problem with the posixfile.py 
> module.  To be sure, I added "freebsd4" to the list of OS's in that patch.)
> 
> Thanks,
> -Mark
> mjl at squid.jpl.nasa.gov
> 
> 
> 
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