Re: tap tests on older branches fail if concurrency is used

On 1 June 2017 at 08:15, Andres Freund <andres(at)anarazel(dot)de> wrote:
> Hi,
>
> when using
> $ cat ~/.proverc
> -j9
>
> some tests fail for me in 9.4 and 9.5. E.g. src/bin/script's tests
> yields a lot of fun like:
> $ (cd ~/build/postgres/9.5-assert/vpath/src/bin/scripts/ && make check)
> ...
> # LOG: received immediate shutdown request
> # WARNING: terminating connection because of crash of another server process
> # DETAIL: The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.
> # HINT: In a moment you should be able to reconnect to the database and repeat your command.
> ...
>
> it appears as if various tests are trampling over each other. If needed
> I can provide detailed logs, but it appears to readily reproduce on
> several machines...

I'll take a look at what's changed and why it's happening and get back to you.

--
Craig Ringer http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services