Re: Postgres, fsync, and OSs (specifically linux)

Thomas Munro <thomas.munro@enterprisedb.com>

From: Thomas Munro <thomas.munro@enterprisedb.com>

To: Andres Freund <andres@anarazel.de>

Cc: Craig Ringer <craig@2ndquadrant.com>, Heikki Linnakangas <hlinnaka@iki.fi>, Robert Haas <robertmhaas@gmail.com>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>

Date: 2018-05-19T06:12:52Z

Lists: pgsql-hackers

On Sat, May 19, 2018 at 4:51 PM, Thomas Munro
<thomas.munro@enterprisedb.com> wrote:
> Next, make check hangs in initdb on both of my pet OSes when md.c
> raises an error (fseek fails) and we raise and error while raising and
> error and deadlock against ourselves.  Backtrace here:
> https://paste.debian.net/1025336/

Ah, I see now that something similar is happening on Linux too, so I
guess you already knew this.

https://travis-ci.org/postgresql-cfbot/postgresql/builds/380913223

-- 
Thomas Munro
http://www.enterprisedb.com

Commits

PANIC on fsync() failure.
- 9ccdd7f66e33 12.0 landed
- f1ff5f51d249 9.4.21 landed
- 312435232217 9.5.16 landed
- b9cce9ddfa17 9.6.12 landed
- afbe03f65470 10.7 landed
- 6534d544cd77 11.2 landed
Fix and improve pg_atomic_flag fallback implementation.
- 8c3debbbf618 11.0 cited