Wrong lock type error messages

Scott Silva ssilva at sgvwater.com
Thu Jul 27 00:21:08 IST 2006

Steve Campbell spake the following on 7/26/2006 2:13 PM:
> Another thread caused me to think of this, and I don't recall ever
> seeing the question asked this way:
> I have upgraded to 8.13 sendmail using the RPMs from city-fan.org. One
> of the recently-posted threads reminded me that I hadn't changed my lock
> type from flock to posix. But I don't see any consequences of not doing
> this so far. I guess it's possible that the RPMs might have been built
> to use flock, but I'm not really sure this is an option for sendmail 8.13.
> What should I be looking for in my maillog to see if this is a problem.
> The only suspect message is a POP message issued quite frequently about
> "trying to get a lock on the mailbox". Once in a while, I get df* or qf*
> orphans in the input queue. This seems to be a normal thing for the df
> files, but I don't recall seeing qf files before.
> This does not seem to be an urgent problem, as things are going fairly
> smoothly. I am using MS 4.52.2-1, and the logs say I am definitely using
> flock.
It is not IF you will have a problem, it is WHEN will you have a problem.


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