Nagios causing signal 11 on apache.

[Leif Nixon]

Tim Uckun <tim at diligence.com> writes:

>>The nagios daemon (the bit that's doing the actual service checking,
>>as opposed to the web page generating CGI stuff) doesn't have
>>*anything* to do with the web server, so it seems... unlikely that it
>>directly could cause Apache threads to die.
>
> Ooops it seems like I was misunderstood.
>
> What is happening is that nagios is running on machine A checking
> https and http service on machine B. The signal 11s are happening on
> machine B.
>
> In other words when nagios checks the web server apache (the machine
> being checked) throws a signal 11.

Aha, I see. Sorry for the confusion.

That's nasty, indeed, and something that Shouldn't Happen. The
check_http plugin just tries to fetch an URL from the web server, and
if that causes the web server to segfault, there's something seriously
wrong at the web server end.

-- 
Leif Nixon                                    Systems expert
------------------------------------------------------------
National Supercomputer Centre           Linkoping University
------------------------------------------------------------


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