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RE: cfenvd dumping core


From: Mark Burgess
Subject: RE: cfenvd dumping core
Date: Thu, 02 Jun 2005 21:36:29 +0200

This is a possible explanation for the problem. One might also try
downloading the latest snapshot from www.cfengine.org where a few
patches are applied.

Certainly I cannot understand why cfenvd should cause cfexecd to crash.
They are utterly independent. The only conceivable link between them is
Berkeley DB.

Mark

On Thu, 2005-06-02 at 15:07 -0400, Luke Youngblood wrote:
> Have you used two or more different compiled binaries on the same box
> without deleting DB files in between runs?
> 
> Initially, I was using the 2.1.13 version of Cfengine from SunFreeware.  I
> decided to switch to Blastwave's version of 2.1.14, which is compiled
> against a different version of BerkeleyDB.
> 
> What I found was that Cfagent and Cfenvd were throwing lots of errors
> related to database issues.  Cfenvd would core dump every time I started it.
> 
> In order to resolve these issues, I removed all of the databases that
> Cfagent and Cfenvd were complaining about (run cfagent -v), then let cfagent
> recreate them on its next run.  I didn't have any problems after that.
> 
> Just to be sure and cleanup properly, you might first kill cfenvd and
> cfservd, then nuke everything under /var/cfengine, and perform a run of
> cfagent again.  This should reinitialize all the databases and everything
> should work fine from then on.
> 
> It seems that different versions of BerkeleyDB create files that are
> slightly different in format.
> 
> Hope this helps,
> 
> Luke
> 
> -----Original Message-----
> From: help-cfengine-bounces+lyoungblood=phonechargeinc.com@gnu.org
> [mailto:help-cfengine-bounces+lyoungblood=phonechargeinc.com@gnu.org] On
> Behalf Of PAUL WILLIAMSON
> Sent: Thursday, June 02, 2005 2:26 PM
> To: Darryl.Baker@gedas.com; help-cfengine@gnu.org
> Subject: Re: cfenvd dumping core
> 
> I have almost the same situation.  Although I get a decent core 
> almost all the time.  I have both binaries I've compiled (with the 
> same versions of tools as you, but only sol8) and ones from 
> someone on the list.  Either way, running remotely always 
> cores out cfexec or cfagent.
> 
> Paul
> 
> >>> "Baker, Darryl" <Darryl.Baker@gedas.com> 06/02/05 1:51 PM >>>
> Gentlefolk,
>       I'm having a problem where cfenvd is Seg faulting and sometimes
> taking cfexecd with it though I don't get a core from cfexecd. It
> doesn't
> happen with any consistency or pattern. Some machines will have it
> happen
> every other day others it will happen once a week. I have 134 machines
> and I
> can go 16 hours without a failure and then have 5 fail in the next 4
> hours.
> 
> This is with 2.1.14 on Solaris 8 and 9 boxes compiled with gcc 3.3.2
> and
> linked with OpenSSL 0.9.7. The same version of OpenSSL is on all
> machines.
> 
> _____________________________________________________________________
> Darryl Baker
> Senior Unix Specialist
> gedas USA, Inc.
> Operational Services Business Unit
> 3800 Hamlin Road
> Auburn Hills, MI 48326
> US
> phone +1-248-754-5341
> fax   +1-248-754-6399
> Darryl.Baker@gedas.com 
> http://www.gedasusa.com 
> _____________________________________________________________________
> 
> 
> 
> 
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> Help-cfengine mailing list
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> 
> 
> 
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