"double free or corruption" message

[Marc Powell]

>From Google, this appears to be an issue that may not be directly
related to Nagios --

(Long Google Link) -- http://tinyurl.com/mvnxx 

There are lots of Debian bug reports related to that error --

http://groups.google.com/group/linux.debian.bugs.dist/search?group=linux
.debian.bugs.dist&q=debian+glibc+detected+***+double+free+or+corruption+
%28%21prev%29&qt_g=1&searchnow=Search+this+group

Maybe something in there will help you towards resolution. I see a
number of hits related to Perl. Do you have perl compiled into nagios?
If perl is crashing due to this bug it's probably taking nagios down as
well. Try re-compiling without the embedded perl interpreter.

--
Marc 

> -----Original Message-----
> From: nagios-users-admin at lists.sourceforge.net [mailto:nagios-users-
> admin at lists.sourceforge.net] On Behalf Of Kurt Yoder
> Sent: Thursday, April 06, 2006 11:14 AM
> To: Kurt Yoder
> Cc: nagios-users at lists.sourceforge.net
> Subject: Re: [Nagios-users] "double free or corruption" message
> 
> No response... anyone?? Bueller? Bueller?
> 
> At least can I get some more information on how to debug this better?
> The crashes seem to be almost random. Sometimes it will run for a
> week, sometimes only 30 minutes.
> 
> Would it be incompatibility of glibc versions, perl, and the nagios
> version?
> 
> On Mar 16, 2006, at 1:52 PM, Kurt Yoder wrote:
> 
> > Hi list
> >
> > Recently my main nagios process started crashing. After switching
> > it to foreground so I can see what's going on, I found this message
> > after the latest crash:
> >
> > *** glibc detected *** double free or corruption (!prev):
> > 0x080a4820 ***
> > Aborted
> >
> >
> > The main process usually runs several hours before it crashes like
> > this. It seems to have started doing this yesterday, though I can't
> > think of anything significant that I changed on the monitoring
> > server around that time.
> >
> > I'm using Nagios 1.3 (Debian package is 1.3-cvs.20050402-2.sarge.1)
> > and glibc 2.95.4. Can anyone offer any suggestions toward fixing
> > this so it stops crashing?
> >
> > -Kurt
> 
> 
> 
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