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From: Alvaro Herrera <alvherre@commandprompt.com>
To: Luke Koops <luke.koops@entrust.com>
Cc: 'Nikhil Sontakke' <nikhil.sontakke@enterprisedb.com>
Cc: Magnus Hagander <magnus@hagander.net>
Cc: pgsql-bugs@postgresql.org <pgsql-bugs@postgresql.org>
Subject: Re: BUG #4958: Stats collector hung on WaitForMultipleObjectsEx 	while attempting to recv a datagram
Date: Thu, 6 Aug 2009 11:47:08 -0400
Message-ID: <20090806154708.GE7769@alvh.no-ip.org> (raw)
In-Reply-To: <A3144629B5AC714A8BF27806EBFA7057514622B8@sottexch7.corp.ad.entrust.com>
References: <a301bfd90908030647l350f6348ne1231bb9fd113280@mail.gmail.com>
	<9837222c0908030656m6ed69a26gc90a6c94b41a4c47@mail.gmail.com>
	<a301bfd90908030712h3668b135g16cce3a12c332a93@mail.gmail.com>
	<9837222c0908030716r416d789ewef3f77c65b39d916@mail.gmail.com>
	<a301bfd90908030720m564e2372j4ef5257be15cabaf@mail.gmail.com>
	<9837222c0908030730kd59b9c2v7583666c5716aead@mail.gmail.com>
	<a301bfd90908030737p6c1eba91u8bb413647ce18679@mail.gmail.com>
	<A3144629B5AC714A8BF27806EBFA70575146229F@sottexch7.corp.ad.entrust.com>
	<a301bfd90908052336w1423cbf4p56f05a9ec0c99cb@mail.gmail.com>
	<A3144629B5AC714A8BF27806EBFA7057514622B8@sottexch7.corp.ad.entrust.com>

Luke Koops wrote:

> When this sequence happens, I can see a backend postgres.exe process
> start up and then exit very quickly.  Note the absence of the
> "incomplete startup package" message.
> 
> Could it be related to the stats collector problem?  The stats
> collector on this system has been hung for over 6 weeks, so the timing
> of this problem is quite delayed.

Maybe you should try a network sniffer and see if you can spot anything
weird.  I think Wireshark can decode the Postgres protocol.

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support



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