Re: Unportable implementation of background worker start

From: Andres Freund <andres(at)anarazel(dot)de>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: cm(at)enterprisedb(dot)com, remi_zara(at)mac(dot)com, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Unportable implementation of background worker start
Date: 2017-04-24 21:38:07
Message-ID: 20170424213807.kh5nfkfufqllp2wa@alap3.anarazel.de
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On 2017-04-24 17:33:39 -0400, Tom Lane wrote:
> Andres Freund <andres(at)anarazel(dot)de> writes:
> > On 2017-04-24 13:16:44 -0700, Andres Freund wrote:
> >> Unclear if related, but
> >> https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=gharial&dt=2017-04-24%2019%3A30%3A42
> >> has a suspicious timing of failing in a weird way.
>
> > Given that gharial is also failing on 9.6 (same set of commits) and
> > coypu fails (again same set) on 9.6
> > https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=coypu&dt=2017-04-24%2018%3A20%3A33
>
> coypu's problem is unrelated:
>
> running bootstrap script ... 2017-04-24 23:04:53.084 CEST [21114] FATAL: could not create semaphores: No space left on device
> 2017-04-24 23:04:53.084 CEST [21114] DETAIL: Failed system call was semget(1, 17, 03600).

Note I was linking the 9.6 report form coypu, not HEAD. Afaics the 9.6
failure is the same as gharial's mode of failure.

- Andres

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