collecting pv entries -- suggest increasing PMAP_SHPGPERPROC

[forum at redpuppy.net]

It looks like a process associated with Postfix is eating up all of the memory
and crashing the system. Im trying to find out which one now.

Thanks for you help.

Thron

On Mon Sep 24  9:13 , Bill Moran  sent:

>In response to forum at redpuppy.net>:
>
>> Hi,
>> 
>> I have a new 6.2 install running postfix, amavisd-new, clamav and SpamAssassin
>> and over the weekend the server stopped responding with the following error.
>> collecting pv entries -- suggest increasing PMAP_SHPGPERPROC.  I did some google
>> searching on the error and found the same problem with Apache, but none with my
>> configuration. Most of the sites say to increase the PMAP_SHPGPERPROC, but none
>> say how or what to increase it to.
>
>I've never seen a modern version of FreeBSD lock up as a result of this,
>so that's a little odd.
>
>> Does anyone have a suggestion on how I should go about troubleshooting this or
>> what I should change my PMAP_SHPGPERPROC to? Could this be a one time fluke and I
>> shouldn’t worry about it?
>
>I had to research this earlier this year.  The default is 200, so in my
>case, raising the value to 250 solved the problem.  I fixed it by adding
>the setting to my kernel config and building a new kernel.  I believe
>you can also set it in loader.conf
>
>I haven't tried setting it higher than 250 (haven't had the need) but
>I've seen some posts suggesting that setting it too high can cause
>kernel panics.  I recommend bumping it to 250, then go to 300 if the
>problem doesn't go away -- but in any event, don't increase it
>drastically.
>
>-- 
>Bill Moran
>http://www.potentialtech.com
>