Re: Non-reproducible AIO failure

Hi,

On 2025-05-27 10:12:28 -0400, Tom Lane wrote:
> Andres Freund <andres(at)anarazel(dot)de> writes:
> > This is on a m4 mac mini. I'm wondering if there's some hardware specific
> > memory ordering issue or disk speed based timing issue that I'm just not
> > hitting.
>
> I dunno, I've seen it on three different physical machines now
> (one M1, two M4 Pros). But it is darn hard to repro, for sure.

I just meant that it seems that I can't reproduce it for some as of yet
unknown reason. I've now been through 3k+ runs of 027_stream_regress, without
a single failure, so there has to be *something* different about my
environment than yours.

Darwin m4-dev 24.1.0 Darwin Kernel Version 24.1.0: Thu Oct 10 21:06:23 PDT 2024; root:xnu-11215.41.3~3/RELEASE_ARM64_T8132 arm64

cc -v
Apple clang version 16.0.0 (clang-1600.0.26.4)
Target: arm64-apple-darwin24.1.0
Thread model: posix

I guess I'll try to update to a later version and see if it repros there?

Greetings,

Andres Freund