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Date:      Tue, 5 Sep 2000 21:41:09 +0100 (BST)
From:      Cliff Rowley <dozprompt@onsea.com>
To:        freebsd-questions@freebsd.org
Subject:   PMAP Question
Message-ID:  <Pine.BSF.4.21.0009052132330.86984-100000@merlin.onsea.com>

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Greetings,

I have scoured the -hackers and -questions mailing list archives for
answers, and among a fair amount of messages directing questions back to
the archives I've only found a few little tidbits of information.

Basically I am trying to debug a FreeBSD 4.1-STABLE server that is acting
very ill.  It was occasionally hanging shortly after complaining:

pmap_collect: collecting pv entries -- suggest increasing PMAP_SHPGPERPROG

Feeling a little bit sheepish, I took on board what I'd read from the
archives, and doubled the default value of 200 to 400, and although the
machine has not yet frozen, the messages still appear periodically.

Instead getting myself into the spiral of increasing it until it breaks, I
would like to know exactly what I am doing.  I've looked around for
information on what 'PMAP' is, but I'm not finding much at all.

If someone could point me in the right direction I would be most
grateful.  I would rather spend time reading and learning about the
problem and make an accurate assumption as to a solution, than to wildly
guess and risk breaking something else.

The main problem is that Apache is regularly crawling up it's own
backside.  I've managed to cure that once by increasing kern.maxfiles, but
that was a different problem that has now gone away.

Thanks in advance.

Cliff Rowley

The reader this message encounters not failing to understand is cursed.

- while (!asleep) { code(); }



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