This one time, at band camp, martin f krafft said:
> Occasionally, my mail server's logs will fill with messages like
> 
>   Aug 28 17:26:21 seamus postfix/smtpd[12708]: warning: milter
>   unix:/var/run/clamav/clamav-milter.ctl: can't read SMFIC_MAIL
>   reply packet header: Connection timed out
> 
> On inspection, the clamav-milter process will still be running:
> 
>   clamav   27894  0.0 12.2 282092 62404 ?        Ssl  Aug22   6:00
>   /usr/sbin/clamav-milter --max-children=2 -olq --pidfile
>   /var/run/clamav/clamav-milter.pid
>   local:/var/spool/postfix/var/run/clamav/clamav-milter.ctl
> 
> Restarting it, however, fixes the problem.
> 
> Next time this happens, I'll attach strace. This bug just for
> posterity.

It sounds like it may just be busy and not answering any more requests.
Is this a reasonably busy mail server?  Because you've left the
max-children at the defaults, which is way too low for any real mail
load.
-- 
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|   ,''`.                                            Stephen Gran |
|  : :' :                                        [EMAIL PROTECTED] |
|  `. `'                        Debian user, admin, and developer |
|    `-                                     http://www.debian.org |
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