From: | Robert Hentosh <hentosh(at)io(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | pgsql-bugs(at)postgresql(dot)org |
Subject: | Re: Regression test failure. |
Date: | 2002-10-22 22:35:55 |
Message-ID: | Pine.LNX.4.44.0210221727410.25777-100000@eris.io.com |
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Lists: | pgsql-bugs |
On Tue, 22 Oct 2002, Tom Lane wrote:
> Robert Hentosh <hentosh(at)io(dot)com> writes:
> > I am receiving a regression test failure in about 1 out of 12 test runs.
>
> I am amazed no one has reported this before :-(
>
> Upon looking, I see that the parallel test schedule tries to run
> create_misc and create_index in parallel, but the latter uses tables
> that are created by the former. AFAICT the diffs you show can all
> be explained by create_misc not having executed completely when
> create_index looks at those tables.
Thanks for the prompt diagnosis.
> By rights this failure should have been noticed long ago. Perhaps there
> is some scheduler peculiarity on your machine that makes it more prone
> than others to execute the different jobs with just the right timing to
> manifest the error.
It occured on my first test after I compiled it. I then repeated the
regression test and couldn't get it to happen again and was thinking maybe
it only occured on a fresh install. I was about to do a fresh install,
when I got it to fail again on the 24th "make check" according to my
history file.
I probably should have scripted it...
Regards,
Robert
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