The setup here involves several MX servers, each with their own
instance of policyd.  There is another server which has the mysql
server that all instances of policyd use.  Recently, I've been having a
problem with that server losing its network interface for a while
(usually while I'm at home).

>From what I can see, when the database server comes back up, policyd
will sometimes stop.  I haven't established how long the server needs
to be down for this to happen.  What I do see, though, is that when
policyd fails, is happens right as the server is coming back online.
It also doesn't always happen.  After a four and a half hour downtime,
policyd on all of the mx servers stopped.  Then, after a two hour
downtime, policyd only stopped on one of the servers.

Another point of interest is that policyd on one of the servers
yesterday put itself into DEBUG mode right before failing.  I was not
on the server at the time, so I don't think it's anything that I did.
Here are some debug logs from immediately before it
stopped.

Dec 31 11:56:48 remus policyd: connection from: 127.0.0.1 port: 41140
slots: 43 of 1024 used
Dec 31 11:56:48 remus policyd: DEBUG: fd: 1024 select(): fd 1024 is
ready for read
Dec 31 11:56:48 remus policyd: DEBUG: fd 1024: w_read: returning -2
after reading 528 by tes
Dec 31 11:56:48 remus policyd: DEBUG: fd: 1024 host_array[1024][0]:
c-67-180-216-110.hsd1.ca.comcast.net
Dec 31 11:56:48 remus policyd: DEBUG: fd: 1024 host_array[1024][2]:
67.180.216.110
Dec 31 11:56:48 remus policyd: DEBUG: fd: 1024 host_array[1024][3]:
67.180.216.%
Dec 31 11:56:48 remus policyd: DEBUG: fd: 1024 host_array[1024][4]:
67.180.%.%
Dec 31 11:56:48 remus policyd: DEBUG: fd: 1024 host_array[1024][5]:
67.%.%.%
Dec 31 11:56:48 remus policyd: DEBUG: fd: 1024 host_array[1024][6]:
hushenterprises.com
Dec 31 11:56:48 remus policyd: DEBUG: fd: 1024 host_array[1024][7]:
newviewwindow.com
Dec 31 11:56:48 remus policyd: DEBUG: fd: 1024 host_array[1024][8]:
****
Dec 31 11:56:48 remus policyd: DEBUG: fd: 1024 host_array[1024][9]:
****
Dec 31 11:56:48 remus policyd: DEBUG: fd: 1024 triplet_array[1024][0]:
67.180.216
Dec 31 11:56:48 remus policyd: DEBUG: fd: 1024 triplet_array[1024][1]:
[EMAIL PROTECTED]
Dec 31 11:56:48 remus policyd: DEBUG: fd: 1024 triplet_array[1024][2]:
****
Dec 31 11:56:48 remus policyd: DEBUG: fd: 1024 triplet_array[1024][3]: 0
Dec 31 11:56:48 remus policyd: DEBUG: fd: 1024 triplet_array[1024][5]:
localhost
Dec 31 11:56:48 remus policyd: DEBUG: fd: 1024 triplet_array[1024][6]:
73f5.4597ebcc.a5135.0
Dec 31 11:56:48 remus policyd: DEBUG: fd: 1024 database_probe():
mysql_ping
Dec 31 11:56:48 remus policyd: DEBUG: fd: 1024 database_probe():
reconnecting..
Dec 31 11:56:48 remus policyd: connecting to mysql database: (null)

-- 
Marshal Newrock, Ideal Solution LLC
http://www.idealso.com

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