From: Andreas Seltenreich <seltenreich@gmx.de>
To: Michael Paquier <michael.paquier@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>,  Andres Freund <andres@anarazel.de>,
  PostgreSQL mailing lists <pgsql-hackers@postgresql.org>,
  Alvaro Herrera <alvherre@2ndquadrant.com>,
  Thomas Munro <thomas.munro@enterprisedb.com>,
  Robert Haas <robertmhaas@gmail.com>
Subject: Re: [sqlsmith] stuck spinlock in pg_stat_get_wal_receiver after OOM
In-Reply-To: 
 <CAB7nPqQW1h71DG4F4mKTCPVfb1sRxMAGeTLi-gEAn0mtcD3Y9Q@mail.gmail.com>
	(Michael Paquier's message of "Tue, 3 Oct 2017 09:54:36 +0900")
References: <87h8vhtgj2.fsf@ansel.ydns.eu>
	<20171002210805.x4lxxmarluen6rfg@alap3.anarazel.de>
	<459.1506979825@sss.pgh.pa.us>
	<20171002213215.4e3iwt7oh5wdjqm2@alap3.anarazel.de>
	<665.1506980082@sss.pgh.pa.us> <1409.1506981260@sss.pgh.pa.us>
	<CAB7nPqQW1h71DG4F4mKTCPVfb1sRxMAGeTLi-gEAn0mtcD3Y9Q@mail.gmail.com>
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Date: Tue, 03 Oct 2017 13:04:04 +0200
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Michael Paquier writes:

> I am attaching a patch that addresses the bugs for the spin lock sections.
> [2. text/x-diff; walreceiver-spin-calls.patch]

I haven't seen a spinlock PANIC since testing with the patch applied.
They occured five times with the same amount of testing done earlier.

regards,
Andreas


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