Re: BUG #16039: PANIC when activating replication slots in Postgres 12.0 64bit under Windows

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: buschmann(at)nidsa(dot)net, pgsql-bugs(at)lists(dot)postgresql(dot)org, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>
Subject: Re: BUG #16039: PANIC when activating replication slots in Postgres 12.0 64bit under Windows
Date: 2019-10-08 00:32:40
Message-ID: 20191008003240.GA1613@paquier.xyz
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On Sun, Oct 06, 2019 at 01:55:48PM +0900, Michael Paquier wrote:
> It would have been nice to add some sanity checks based on fcntl() but
> directory handling in pg_fsync() makes that annoying. Anyway, I have
> checked the code with a little trick, and I have spotted a second bug:
> CheckPointLogicalRewriteHeap() fsyncs a logical rewrite mapping file
> with RDONLY. This is incorrect since b89e151.

Andres, others, any thoughts about this issue? Are there any
objections if I just fix it?
--
Michael

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