Re: Re: Connection rejected: could not fork new process for connection: Unknown error

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: samcoffey <samcoffey82(at)gmail(dot)com>
Cc: pgsql-novice(at)postgresql(dot)org
Subject: Re: Re: Connection rejected: could not fork new process for connection: Unknown error
Date: 2014-02-21 18:49:31
Message-ID: 5292.1393008571@sss.pgh.pa.us
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samcoffey <samcoffey82(at)gmail(dot)com> writes:
> The following is appearing in postgresql-2014-02-21_090639.log (This is the
> only log file I can find):

> 2014-02-21 09:08:10 GMT LOG: could not reserve shared memory region
> (addr=0000000002300000) for child 00000000000004FC: error code 487
> 2014-02-21 09:08:10 GMT LOG: could not fork autovacuum worker process: A
> blocking operation was interrupted by a call to WSACancelBlockingCall.

> This is the PostgreSQL 9.3 (localhost:5432) server running on Windows.

Hm ... recent Windows? You may need to turn off ASLR, see for instance
http://www.postgresql.org/message-id/52EB4751.2060205@2ndquadrant.com

AFAIK the proposed code changes to handle this automatically haven't
been committed yet, much less made it into any released version of PG.

regards, tom lane

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