Re: Failing test: "test-posix_spawn-script". Race condition?

[Eric Blake]

On Tue, Dec 20, 2022 at 06:51:31PM -0500, Mitchell Dorrell wrote:
> I'm compiling m4 1.4.19 on a dual-socket server with second-generation AMD
> Epyc processors (128 cores total). I'm compiling using GCC 12.2.0. "make
> -j128 check" fails, but "make check" succeeds. While troubleshooting, I
> noticed that the test reads an empty file instead of one containing the
> expected number of bytes. I'm guessing that another test (running
> concurrently) is interfering with the results of this test.
> 
> Is this a known issue?

Thanks for the report; I'm looping in bug-gnulib as the owners of the
test in question.  It's the first time I've heard of this issue, but I
also know that m4 needs a new release with a newer pull from gnulib,
so the issue may have been addressed in the meantime in gnulib.

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
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