On Tue, Sep 29, 2026 at 05:17:19PM -0400, Tom Lane wrote:
> Given that the problem is expensive to reproduce, I doubt that
> bisecting to identify this still-hypothetical commit is worth the
> trouble; I was just curious to know if anyone already understood the
> connection. Now, if it turns out that Bingshuai's patch doesn't make
> prion happy, then we'll need to dig deeper.
It's not that hard to reach. If I run three check-world builds in
parallel to load my laptop CPU (say HEAD, v19 and v18 with a
worktree), HEAD is able to fail rather reliably like 30%~40% of the
time, on this test. The problem is very easy to reach for the last
two weeks.
--
Michael
