Re: BUG #14419: DB connections fails with "could not reserve shared memory region" in postgresql log.

From: Jari Kopponen <jari(dot)kopponen(at)patria(dot)fi>
To: Michael Paquier <michael(dot)paquier(at)gmail(dot)com>
Cc: PostgreSQL mailing lists <pgsql-bugs(at)postgresql(dot)org>
Subject: Re: BUG #14419: DB connections fails with "could not reserve shared memory region" in postgresql log.
Date: 2016-11-14 07:18:03
Message-ID: DB5PR01MB1221C30E22777341F6ABAE22F4BC0@DB5PR01MB1221.eurprd01.prod.exchangelabs.com
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Installer has been downloaded from: http://www.enterprisedb.com.
Based on Process Explorer, ALSR Is not enabled.
---
Jari

-----Original Message-----
From: Michael Paquier [mailto:michael(dot)paquier(at)gmail(dot)com]
Sent: 11. marraskuuta 2016 15:48
To: Jari Kopponen <jari(dot)kopponen(at)patria(dot)fi>
Cc: PostgreSQL mailing lists <pgsql-bugs(at)postgresql(dot)org>
Subject: Re: [BUGS] BUG #14419: DB connections fails with "could not reserve shared memory region" in postgresql log.

On Fri, Nov 11, 2016 at 9:12 PM, <jari(dot)kopponen(at)patria(dot)fi> wrote:
> The following bug has been logged on the website:
>
> Bug reference: 14419
> Logged by: jari kopponen
> Email address: jari(dot)kopponen(at)patria(dot)fi
> PostgreSQL version: 9.4.4
> Operating system: Windows 7 Professional, 64 bit SP 1
> Description:
>
> After we installed kb3177467 (Servicing stack update for Windows 7 SP1
> and Windows Server 2008 R2 SP1: September 20, 2016) windows update, we
> faced problems with database connections. In postgresql there is log
> entries "could not reserve shared memory region (addr:xxx) for
> child(yyy): error code 487. This seems to be quite similar problem
> than described in : BUG #14050.

From where are those builds? Is ASLR enabled? I saw patterns of broken shared memory with Win 2k8 R2 because of that.
--
Michael

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