HOST ALERT: hostabc;DOWN;SOFT;1;Segmentation fault

[Marc Powell]

> -----Original Message-----
> From: nagios-users-admin at lists.sourceforge.net [mailto:nagios-users-
> admin at lists.sourceforge.net] On Behalf Of Ryan Whalen
> Sent: Wednesday, March 08, 2006 7:39 AM
> To: nagios-users at lists.sourceforge.net
> Subject: [Nagios-users] HOST ALERT: hostabc;DOWN;SOFT;1;Segmentation
fault
> 
> Last night I received three alerts from devices that were down.  The
only
> service I am monitoring is ping.  Instead of how it normally indicates
it
> didnt receive a response, or timed out, the problem was identified as
a
> "Segmentation Fault":
> 
> 
> [03-08-2006 00:37:50] HOST ALERT: host_1;DOWN;SOFT;1;Segmentation
fault
> 
> 
> Any ideas what a segmentation fault means?  it seems like a problem
with
> the nagios box and not the monitoring host..

http://www.google.com/search?hs=NoO&hl=en&lr=&client=firefox-a&rls=org.m
ozilla%3Aen-US%3Aofficial&q=segmentation+fault&btnG=Search

Consider it a program crash. What OS, plugin and nagios versions are you
using? This could be interesting to troubleshoot. My feeling is that
it's /bin/ping that is segfaulting when the site is down. I would have
expected nagios to report a different kind of error if the plugin
crashed (i.e. check of service foo on host bar did not exit properly). I
think the only way you're going to be able to narrow it down is to try
the check_ping command and using /bin/ping directly when you see this to
see which it is.

The only seemingly relevant mention I can find of a check_ping segfault
is at the bottom of this thread --

http://64.233.179.104/search?q=cache:Svba1PNB27oJ:www.nagiosexchange.org
/nagiosplug-devel.31.0.html%3F%26tx_maillisttofaq_pi1%255Bmode%255D%3D1%
26tx_maillisttofaq_pi1%255BshowUid%255D%3D15650+nagios+check_ping+segfau
lt&hl=en&gl=us&ct=clnk&cd=1&client=firefox-a

Andreas Ericsson was troubleshooting a segfault issue but it isn't clear
whether that was check_ping segfaulting or /bin/ping.

Not much help I know but it's all I can offer.

--
Marc


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