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Re: [pcp] qa/977 failing a lot

To: Mark Goodwin <goodwinos@xxxxxxxxx>, Ken McDonell <kenj@xxxxxxxxxxxxxxxx>
Subject: Re: [pcp] qa/977 failing a lot
From: Nathan Scott <nathans@xxxxxxxxxx>
Date: Mon, 16 Feb 2015 17:35:32 -0500 (EST)
Cc: pcp@xxxxxxxxxxx
Delivered-to: pcp@xxxxxxxxxxx
In-reply-to: <54E1BAD7.60705@xxxxxxxxx>
References: <54E181EE.7000504@xxxxxxxxxxxxxxxx> <1694578981.6950091.1424065925917.JavaMail.zimbra@xxxxxxxxxx> <54E1B805.5010801@xxxxxxxxxxxxxxxx> <54E1BAD7.60705@xxxxxxxxx>
Reply-to: Nathan Scott <nathans@xxxxxxxxxx>
Thread-index: hTRkN7he5R7jkCrw1eE3MBrKYc37ig==
Thread-topic: qa/977 failing a lot

----- Original Message -----
> >> [...]
> >> and pmDestroyContext paths though.  Any details in pmcd.log after this
> >> test runs?  (not failing here)
> >
> > Attached.

The client select loop failures are particularly interesting; scanning on
some of my hosts here, I'm also seeing this intermittently... need to get
to the bottom of that, methinks, to solve this issue.

> just noticed the attachment shows the root PMDA is installed as a daemon but
> the Linux PMDA is still a DSO. Does that matter?

It doesn't matter.  Some container functionality will not be present,
but it should definitely not cause this class of failure.

> (and if so, we need a DSO->daemon migration mechanism for upgrades).

Either are valid configurations though.
 
> I play Mary-the-average sysadmin all the time ... get new packages and
> install 'em.  If upgrade magic is needed I assume that *will* be part of
> the packaging scripts.

FWLIW, *some* level of intervention has happened here - the pmcd.conf has
been modified to include pmdaroot (as per a fresh install, but that would
not have been done automatically on upgrade).  Maybe QA is to blame there?
Hmm, qa/761 does appear to put pmcd.conf back as it found it though.

cheers.

--
Nathan

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