FreeBSD Nagios 2.12

[Jonathan Call]

> -----Original Message-----
> From: nagios-users-bounces at lists.sourceforge.net [mailto:nagios-users-
> bounces at lists.sourceforge.net] On Behalf Of Marc Powell
> Sent: Sunday, June 22, 2008 10:31 AM
> To: nagios-user Mailinglist
> Subject: Re: [Nagios-users] FreeBSD Nagios 2.12
> 
> 
> On Jun 20, 2008, at 12:16 PM, Andrew D wrote:
> 
> >
> 
> > get_raw_command_line() start
> >         Input: check_dns
> > clear_argv_macros() start
> > clear_argv_macros() end
> > find_command() start
> >         Output: $USER1$/check_dns -H www.yahoo.com -s $HOSTADDRESS$
> > get_raw_command_line() end
> > process_macros() start
> > process_macros() end
> >
> >
> >
> > And thats where it stops and locks.
> 
> Thanks. After this, nagios makes a call to the event broker,
> determines if the plugin is a perl plugin (to use ePN if enabled),
> then forks the check_command.
> 
> Did you compile with the event broker? Is it enabled? Maybe try a
> compilation without the event broker/embedded perl interpreter.
> 
> There is (was?) a known issue with FreeBSD related to pthreads that
> may be in play (Known Issues -
> http://nagios.sourceforge.net/docs/2_0/whatsnew.html
> , Google for 'nagios freebsd pthreads'). It does specifically relate
> to the forking of check processes and a hang. I do not recall what the
> current status of that issue is but remember chatter about it either
> here or on nagios-devel. Perhaps on of the other FreeBSD users can
> chime in on that. My feeling is that it was fixed or there's a
> workaround but I don't remember specifics.
> 
> --
> Marc
> 

There was a change made to the Nagios port in February where it opted
for libthr instead of libpthread when available. That was supposed to
make permanent/official a workaround that used /etc/libmap.conf to link
them instead:

[nagios]
libpthread.so.2         libthr.so.2
libpthread.so           libthr.so

You could try using this libmap config or possibly reversing it. It may
be that FreeBSD 5 behaves better with libpthread? I've never used
FreeBSD 5 in any production environment so I'm just guessing.

Jonathan


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