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Date: Tue, 23 Sep 2008 09:26:10 +0200
From: Jordi Moles Blanco <jordi@cdmon.com>
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Subject: semget: no space left on freebsd 6.2
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hello everyone,

i'm having some trouble with a freebsd 6.2 box and apache-2.0.59.  When 
i try to install some apache_mods, i get this:

For example with mod_cband:

*********************
apache2_mod_cband: cannot create shared memory segment for remote hosts
*********************

when i debug this, i get to the point where kernel says:

********************
semget: No space left on device
********************

It doesn't happen with all apache2_mods, but with a few, for example 
mod_cband and mod_tsunami.

i've googled a lot and found some people with the same problem but with 
apache 1.3.x. Their fix doesn't work in my box. They have tried this:

*****************

ipcs -s | grep nobody | perl -e 'while (<STDIN>) {
@a=split(/\s+/); print `ipcrm sem $a[1]`}'

*********************

but it doesn't work for me.
i also found this:

**********************

Also try adding this options on FreeBSD kernel config:
options         SEMMNI=20
options         SEMMNS=120

And set the kern.maxfiles sysctl option higher than 1000.

*********************

it didn't work either.

do you have any idea where the problem is? Thanks.