Re: spoonbill - rare buildfarm failures in test_shm_mq_pipelined()

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Stefan Kaltenbrunner <stefan(at)kaltenbrunner(dot)cc>
Cc: PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: spoonbill - rare buildfarm failures in test_shm_mq_pipelined()
Date: 2016-10-25 17:26:34
Message-ID: 28693.1477416394@sss.pgh.pa.us
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Stefan Kaltenbrunner <stefan(at)kaltenbrunner(dot)cc> writes:
> Spoonbill is very rarely (ie once every few months) failing like this:

Yeah, I've been wondering about that ...

> Any ideas on what is causing this?

No, but it would sure be interesting to get a stack trace showing where
the SIGFPE is happening.

Could you change the ereport(ERROR) in FloatExceptionHandler to
ereport(PANIC) and run that single test over and over till you
get a panic?

regards, tom lane

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